diff options
| -rw-r--r-- | Doxyfile | 1153 | ||||
| -rw-r--r-- | Makefile | 40 | ||||
| -rw-r--r-- | README.html | 32 | ||||
| -rw-r--r-- | arraylist.c | 94 | ||||
| -rw-r--r-- | arraylist.h | 52 | ||||
| -rw-r--r-- | bits.h | 38 | ||||
| -rw-r--r-- | debug.c | 75 | ||||
| -rw-r--r-- | debug.h | 33 | ||||
| -rw-r--r-- | json.h | 30 | ||||
| -rw-r--r-- | json_object.c | 493 | ||||
| -rw-r--r-- | json_object.h | 300 | ||||
| -rw-r--r-- | json_object_private.h | 25 | ||||
| -rw-r--r-- | json_tokener.c | 426 | ||||
| -rw-r--r-- | json_tokener.h | 70 | ||||
| -rw-r--r-- | json_util.c | 79 | ||||
| -rw-r--r-- | json_util.h | 13 | ||||
| -rw-r--r-- | linkhash.c | 225 | ||||
| -rw-r--r-- | linkhash.h | 270 | ||||
| -rw-r--r-- | printbuf.c | 106 | ||||
| -rw-r--r-- | printbuf.h | 43 | ||||
| -rw-r--r-- | test1.c | 134 | ||||
| -rw-r--r-- | test2.c | 19 |
22 files changed, 3750 insertions, 0 deletions
diff --git a/Doxyfile b/Doxyfile new file mode 100644 index 0000000..a964501 --- /dev/null +++ b/Doxyfile @@ -0,0 +1,1153 @@ +# Doxyfile 1.3.8 + +# This file describes the settings to be used by the documentation system +# doxygen (www.doxygen.org) for a project +# +# All text after a hash (#) is considered a comment and will be ignored +# The format is: +# TAG = value [value, ...] +# For lists items can also be appended using: +# TAG += value [value, ...] +# Values that contain spaces should be placed between quotes (" ") + +#--------------------------------------------------------------------------- +# Project related configuration options +#--------------------------------------------------------------------------- + +# The PROJECT_NAME tag is a single word (or a sequence of words surrounded +# by quotes) that should identify the project. + +PROJECT_NAME = json-c + +# The PROJECT_NUMBER tag can be used to enter a project or revision number. +# This could be handy for archiving the generated documentation or +# if some version control system is used. + +PROJECT_NUMBER = 0.1 + +# The OUTPUT_DIRECTORY tag is used to specify the (relative or absolute) +# base path where the generated documentation will be put. +# If a relative path is entered, it will be relative to the location +# where doxygen was started. If left blank the current directory will be used. + +OUTPUT_DIRECTORY = doc + +# If the CREATE_SUBDIRS tag is set to YES, then doxygen will create +# 4096 sub-directories (in 2 levels) under the output directory of each output +# format and will distribute the generated files over these directories. +# Enabling this option can be useful when feeding doxygen a huge amount of source +# files, where putting all generated files in the same directory would otherwise +# cause performance problems for the file system. + +CREATE_SUBDIRS = NO + +# The OUTPUT_LANGUAGE tag is used to specify the language in which all +# documentation generated by doxygen is written. Doxygen will use this +# information to generate all constant output in the proper language. +# The default language is English, other supported languages are: +# Brazilian, Catalan, Chinese, Chinese-Traditional, Croatian, Czech, Danish, +# Dutch, Finnish, French, German, Greek, Hungarian, Italian, Japanese, +# Japanese-en (Japanese with English messages), Korean, Korean-en, Norwegian, +# Polish, Portuguese, Romanian, Russian, Serbian, Slovak, Slovene, Spanish, +# Swedish, and Ukrainian. + +OUTPUT_LANGUAGE = English + +# This tag can be used to specify the encoding used in the generated output. +# The encoding is not always determined by the language that is chosen, +# but also whether or not the output is meant for Windows or non-Windows users. +# In case there is a difference, setting the USE_WINDOWS_ENCODING tag to YES +# forces the Windows encoding (this is the default for the Windows binary), +# whereas setting the tag to NO uses a Unix-style encoding (the default for +# all platforms other than Windows). + +USE_WINDOWS_ENCODING = NO + +# If the BRIEF_MEMBER_DESC tag is set to YES (the default) Doxygen will +# include brief member descriptions after the members that are listed in +# the file and class documentation (similar to JavaDoc). +# Set to NO to disable this. + +BRIEF_MEMBER_DESC = YES + +# If the REPEAT_BRIEF tag is set to YES (the default) Doxygen will prepend +# the brief description of a member or function before the detailed description. +# Note: if both HIDE_UNDOC_MEMBERS and BRIEF_MEMBER_DESC are set to NO, the +# brief descriptions will be completely suppressed. + +REPEAT_BRIEF = YES + +# This tag implements a quasi-intelligent brief description abbreviator +# that is used to form the text in various listings. Each string +# in this list, if found as the leading text of the brief description, will be +# stripped from the text and the result after processing the whole list, is used +# as the annotated text. Otherwise, the brief description is used as-is. If left +# blank, the following values are used ("$name" is automatically replaced with the +# name of the entity): "The $name class" "The $name widget" "The $name file" +# "is" "provides" "specifies" "contains" "represents" "a" "an" "the" + +ABBREVIATE_BRIEF = + +# If the ALWAYS_DETAILED_SEC and REPEAT_BRIEF tags are both set to YES then +# Doxygen will generate a detailed section even if there is only a brief +# description. + +ALWAYS_DETAILED_SEC = NO + +# If the INLINE_INHERITED_MEMB tag is set to YES, doxygen will show all inherited +# members of a class in the documentation of that class as if those members were +# ordinary class members. Constructors, destructors and assignment operators of +# the base classes will not be shown. + +INLINE_INHERITED_MEMB = NO + +# If the FULL_PATH_NAMES tag is set to YES then Doxygen will prepend the full +# path before files name in the file list and in the header files. If set +# to NO the shortest path that makes the file name unique will be used. + +FULL_PATH_NAMES = YES + +# If the FULL_PATH_NAMES tag is set to YES then the STRIP_FROM_PATH tag +# can be used to strip a user-defined part of the path. Stripping is +# only done if one of the specified strings matches the left-hand part of +# the path. The tag can be used to show relative paths in the file list. +# If left blank the directory from which doxygen is run is used as the +# path to strip. + +STRIP_FROM_PATH = + +# The STRIP_FROM_INC_PATH tag can be used to strip a user-defined part of +# the path mentioned in the documentation of a class, which tells +# the reader which header file to include in order to use a class. +# If left blank only the name of the header file containing the class +# definition is used. Otherwise one should specify the include paths that +# are normally passed to the compiler using the -I flag. + +STRIP_FROM_INC_PATH = + +# If the SHORT_NAMES tag is set to YES, doxygen will generate much shorter +# (but less readable) file names. This can be useful is your file systems +# doesn't support long names like on DOS, Mac, or CD-ROM. + +SHORT_NAMES = NO + +# If the JAVADOC_AUTOBRIEF tag is set to YES then Doxygen +# will interpret the first line (until the first dot) of a JavaDoc-style +# comment as the brief description. If set to NO, the JavaDoc +# comments will behave just like the Qt-style comments (thus requiring an +# explicit @brief command for a brief description. + +JAVADOC_AUTOBRIEF = NO + +# The MULTILINE_CPP_IS_BRIEF tag can be set to YES to make Doxygen +# treat a multi-line C++ special comment block (i.e. a block of //! or /// +# comments) as a brief description. This used to be the default behaviour. +# The new default is to treat a multi-line C++ comment block as a detailed +# description. Set this tag to YES if you prefer the old behaviour instead. + +MULTILINE_CPP_IS_BRIEF = NO + +# If the DETAILS_AT_TOP tag is set to YES then Doxygen +# will output the detailed description near the top, like JavaDoc. +# If set to NO, the detailed description appears after the member +# documentation. + +DETAILS_AT_TOP = NO + +# If the INHERIT_DOCS tag is set to YES (the default) then an undocumented +# member inherits the documentation from any documented member that it +# re-implements. + +INHERIT_DOCS = YES + +# If member grouping is used in the documentation and the DISTRIBUTE_GROUP_DOC +# tag is set to YES, then doxygen will reuse the documentation of the first +# member in the group (if any) for the other members of the group. By default +# all members of a group must be documented explicitly. + +DISTRIBUTE_GROUP_DOC = NO + +# The TAB_SIZE tag can be used to set the number of spaces in a tab. +# Doxygen uses this value to replace tabs by spaces in code fragments. + +TAB_SIZE = 8 + +# This tag can be used to specify a number of aliases that acts +# as commands in the documentation. An alias has the form "name=value". +# For example adding "sideeffect=\par Side Effects:\n" will allow you to +# put the command \sideeffect (or @sideeffect) in the documentation, which +# will result in a user-defined paragraph with heading "Side Effects:". +# You can put \n's in the value part of an alias to insert newlines. + +ALIASES = + +# Set the OPTIMIZE_OUTPUT_FOR_C tag to YES if your project consists of C sources +# only. Doxygen will then generate output that is more tailored for C. +# For instance, some of the names that are used will be different. The list +# of all members will be omitted, etc. + +OPTIMIZE_OUTPUT_FOR_C = YES + +# Set the OPTIMIZE_OUTPUT_JAVA tag to YES if your project consists of Java sources +# only. Doxygen will then generate output that is more tailored for Java. +# For instance, namespaces will be presented as packages, qualified scopes +# will look different, etc. + +OPTIMIZE_OUTPUT_JAVA = NO + +# Set the SUBGROUPING tag to YES (the default) to allow class member groups of +# the same type (for instance a group of public functions) to be put as a +# subgroup of that type (e.g. under the Public Functions section). Set it to +# NO to prevent subgrouping. Alternatively, this can be done per class using +# the \nosubgrouping command. + +SUBGROUPING = YES + +#--------------------------------------------------------------------------- +# Build related configuration options +#--------------------------------------------------------------------------- + +# If the EXTRACT_ALL tag is set to YES doxygen will assume all entities in +# documentation are documented, even if no documentation was available. +# Private class members and static file members will be hidden unless +# the EXTRACT_PRIVATE and EXTRACT_STATIC tags are set to YES + +EXTRACT_ALL = YES + +# If the EXTRACT_PRIVATE tag is set to YES all private members of a class +# will be included in the documentation. + +EXTRACT_PRIVATE = NO + +# If the EXTRACT_STATIC tag is set to YES all static members of a file +# will be included in the documentation. + +EXTRACT_STATIC = NO + +# If the EXTRACT_LOCAL_CLASSES tag is set to YES classes (and structs) +# defined locally in source files will be included in the documentation. +# If set to NO only classes defined in header files are included. + +EXTRACT_LOCAL_CLASSES = NO + +# This flag is only useful for Objective-C code. When set to YES local +# methods, which are defined in the implementation section but not in +# the interface are included in the documentation. +# If set to NO (the default) only methods in the interface are included. + +EXTRACT_LOCAL_METHODS = NO + +# If the HIDE_UNDOC_MEMBERS tag is set to YES, Doxygen will hide all +# undocumented members of documented classes, files or namespaces. +# If set to NO (the default) these members will be included in the +# various overviews, but no documentation section is generated. +# This option has no effect if EXTRACT_ALL is enabled. + +HIDE_UNDOC_MEMBERS = NO + +# If the HIDE_UNDOC_CLASSES tag is set to YES, Doxygen will hide all +# undocumented classes that are normally visible in the class hierarchy. +# If set to NO (the default) these classes will be included in the various +# overviews. This option has no effect if EXTRACT_ALL is enabled. + +HIDE_UNDOC_CLASSES = NO + +# If the HIDE_FRIEND_COMPOUNDS tag is set to YES, Doxygen will hide all +# friend (class|struct|union) declarations. +# If set to NO (the default) these declarations will be included in the +# documentation. + +HIDE_FRIEND_COMPOUNDS = NO + +# If the HIDE_IN_BODY_DOCS tag is set to YES, Doxygen will hide any +# documentation blocks found inside the body of a function. +# If set to NO (the default) these blocks will be appended to the +# function's detailed documentation block. + +HIDE_IN_BODY_DOCS = NO + +# The INTERNAL_DOCS tag determines if documentation +# that is typed after a \internal command is included. If the tag is set +# to NO (the default) then the documentation will be excluded. +# Set it to YES to include the internal documentation. + +INTERNAL_DOCS = NO + +# If the CASE_SENSE_NAMES tag is set to NO then Doxygen will only generate +# file names in lower-case letters. If set to YES upper-case letters are also +# allowed. This is useful if you have classes or files whose names only differ +# in case and if your file system supports case sensitive file names. Windows +# and Mac users are advised to set this option to NO. + +CASE_SENSE_NAMES = YES + +# If the HIDE_SCOPE_NAMES tag is set to NO (the default) then Doxygen +# will show members with their full class and namespace scopes in the +# documentation. If set to YES the scope will be hidden. + +HIDE_SCOPE_NAMES = NO + +# If the SHOW_INCLUDE_FILES tag is set to YES (the default) then Doxygen +# will put a list of the files that are included by a file in the documentation +# of that file. + +SHOW_INCLUDE_FILES = NO + +# If the INLINE_INFO tag is set to YES (the default) then a tag [inline] +# is inserted in the documentation for inline members. + +INLINE_INFO = YES + +# If the SORT_MEMBER_DOCS tag is set to YES (the default) then doxygen +# will sort the (detailed) documentation of file and class members +# alphabetically by member name. If set to NO the members will appear in +# declaration order. + +SORT_MEMBER_DOCS = YES + +# If the SORT_BRIEF_DOCS tag is set to YES then doxygen will sort the +# brief documentation of file, namespace and class members alphabetically +# by member name. If set to NO (the default) the members will appear in +# declaration order. + +SORT_BRIEF_DOCS = NO + +# If the SORT_BY_SCOPE_NAME tag is set to YES, the class list will be +# sorted by fully-qualified names, including namespaces. If set to +# NO (the default), the class list will be sorted only by class name, +# not including the namespace part. +# Note: This option is not very useful if HIDE_SCOPE_NAMES is set to YES. +# Note: This option applies only to the class list, not to the +# alphabetical list. + +SORT_BY_SCOPE_NAME = NO + +# The GENERATE_TODOLIST tag can be used to enable (YES) or +# disable (NO) the todo list. This list is created by putting \todo +# commands in the documentation. + +GENERATE_TODOLIST = YES + +# The GENERATE_TESTLIST tag can be used to enable (YES) or +# disable (NO) the test list. This list is created by putting \test +# commands in the documentation. + +GENERATE_TESTLIST = YES + +# The GENERATE_BUGLIST tag can be used to enable (YES) or +# disable (NO) the bug list. This list is created by putting \bug +# commands in the documentation. + +GENERATE_BUGLIST = YES + +# The GENERATE_DEPRECATEDLIST tag can be used to enable (YES) or +# disable (NO) the deprecated list. This list is created by putting +# \deprecated commands in the documentation. + +GENERATE_DEPRECATEDLIST= YES + +# The ENABLED_SECTIONS tag can be used to enable conditional +# documentation sections, marked by \if sectionname ... \endif. + +ENABLED_SECTIONS = + +# The MAX_INITIALIZER_LINES tag determines the maximum number of lines +# the initial value of a variable or define consists of for it to appear in +# the documentation. If the initializer consists of more lines than specified +# here it will be hidden. Use a value of 0 to hide initializers completely. +# The appearance of the initializer of individual variables and defines in the +# documentation can be controlled using \showinitializer or \hideinitializer +# command in the documentation regardless of this setting. + +MAX_INITIALIZER_LINES = 30 + +# Set the SHOW_USED_FILES tag to NO to disable the list of files generated +# at the bottom of the documentation of classes and structs. If set to YES the +# list will mention the files that were used to generate the documentation. + +SHOW_USED_FILES = YES + +#--------------------------------------------------------------------------- +# configuration options related to warning and progress messages +#--------------------------------------------------------------------------- + +# The QUIET tag can be used to turn on/off the messages that are generated +# by doxygen. Possible values are YES and NO. If left blank NO is used. + +QUIET = NO + +# The WARNINGS tag can be used to turn on/off the warning messages that are +# generated by doxygen. Possible values are YES and NO. If left blank +# NO is used. + +WARNINGS = YES + +# If WARN_IF_UNDOCUMENTED is set to YES, then doxygen will generate warnings +# for undocumented members. If EXTRACT_ALL is set to YES then this flag will +# automatically be disabled. + +WARN_IF_UNDOCUMENTED = YES + +# If WARN_IF_DOC_ERROR is set to YES, doxygen will generate warnings for +# potential errors in the documentation, such as not documenting some +# parameters in a documented function, or documenting parameters that +# don't exist or using markup commands wrongly. + +WARN_IF_DOC_ERROR = YES + +# The WARN_FORMAT tag determines the format of the warning messages that +# doxygen can produce. The string should contain the $file, $line, and $text +# tags, which will be replaced by the file and line number from which the +# warning originated and the warning text. + +WARN_FORMAT = "$file:$line: $text" + +# The WARN_LOGFILE tag can be used to specify a file to which warning +# and error messages should be written. If left blank the output is written +# to stderr. + +WARN_LOGFILE = + +#--------------------------------------------------------------------------- +# configuration options related to the input files +#--------------------------------------------------------------------------- + +# The INPUT tag can be used to specify the files and/or directories that contain +# documented source files. You may enter file names like "myfile.cpp" or +# directories like "/usr/src/myproject". Separate the files or directories +# with spaces. + +INPUT = + +# If the value of the INPUT tag contains directories, you can use the +# FILE_PATTERNS tag to specify one or more wildcard pattern (like *.cpp +# and *.h) to filter out the source-files in the directories. If left +# blank the following patterns are tested: +# *.c *.cc *.cxx *.cpp *.c++ *.java *.ii *.ixx *.ipp *.i++ *.inl *.h *.hh *.hxx *.hpp +# *.h++ *.idl *.odl *.cs *.php *.php3 *.inc *.m *.mm + +FILE_PATTERNS = *.h + +# The RECURSIVE tag can be used to turn specify whether or not subdirectories +# should be searched for input files as well. Possible values are YES and NO. +# If left blank NO is used. + +RECURSIVE = NO + +# The EXCLUDE tag can be used to specify files and/or directories that should +# excluded from the INPUT source files. This way you can easily exclude a +# subdirectory from a directory tree whose root is specified with the INPUT tag. + +EXCLUDE = + +# The EXCLUDE_SYMLINKS tag can be used select whether or not files or directories +# that are symbolic links (a Unix filesystem feature) are excluded from the input. + +EXCLUDE_SYMLINKS = NO + +# If the value of the INPUT tag contains directories, you can use the +# EXCLUDE_PATTERNS tag to specify one or more wildcard patterns to exclude +# certain files from those directories. + +EXCLUDE_PATTERNS = + +# The EXAMPLE_PATH tag can be used to specify one or more files or +# directories that contain example code fragments that are included (see +# the \include command). + +EXAMPLE_PATH = + +# If the value of the EXAMPLE_PATH tag contains directories, you can use the +# EXAMPLE_PATTERNS tag to specify one or more wildcard pattern (like *.cpp +# and *.h) to filter out the source-files in the directories. If left +# blank all files are included. + +EXAMPLE_PATTERNS = + +# If the EXAMPLE_RECURSIVE tag is set to YES then subdirectories will be +# searched for input files to be used with the \include or \dontinclude +# commands irrespective of the value of the RECURSIVE tag. +# Possible values are YES and NO. If left blank NO is used. + +EXAMPLE_RECURSIVE = NO + +# The IMAGE_PATH tag can be used to specify one or more files or +# directories that contain image that are included in the documentation (see +# the \image command). + +IMAGE_PATH = + +# The INPUT_FILTER tag can be used to specify a program that doxygen should +# invoke to filter for each input file. Doxygen will invoke the filter program +# by executing (via popen()) the command <filter> <input-file>, where <filter> +# is the value of the INPUT_FILTER tag, and <input-file> is the name of an +# input file. Doxygen will then use the output that the filter program writes +# to standard output. If FILTER_PATTERNS is specified, this tag will be +# ignored. + +INPUT_FILTER = + +# The FILTER_PATTERNS tag can be used to specify filters on a per file pattern +# basis. Doxygen will compare the file name with each pattern and apply the +# filter if there is a match. The filters are a list of the form: +# pattern=filter (like *.cpp=my_cpp_filter). See INPUT_FILTER for further +# info on how filters are used. If FILTER_PATTERNS is empty, INPUT_FILTER +# is applied to all files. + +FILTER_PATTERNS = + +# If the FILTER_SOURCE_FILES tag is set to YES, the input filter (if set using +# INPUT_FILTER) will be used to filter the input files when producing source +# files to browse (i.e. when SOURCE_BROWSER is set to YES). + +FILTER_SOURCE_FILES = NO + +#--------------------------------------------------------------------------- +# configuration options related to source browsing +#--------------------------------------------------------------------------- + +# If the SOURCE_BROWSER tag is set to YES then a list of source files will +# be generated. Documented entities will be cross-referenced with these sources. +# Note: To get rid of all source code in the generated output, make sure also +# VERBATIM_HEADERS is set to NO. + +SOURCE_BROWSER = NO + +# Setting the INLINE_SOURCES tag to YES will include the body +# of functions and classes directly in the documentation. + +INLINE_SOURCES = NO + +# Setting the STRIP_CODE_COMMENTS tag to YES (the default) will instruct +# doxygen to hide any special comment blocks from generated source code +# fragments. Normal C and C++ comments will always remain visible. + +STRIP_CODE_COMMENTS = YES + +# If the REFERENCED_BY_RELATION tag is set to YES (the default) +# then for each documented function all documented +# functions referencing it will be listed. + +REFERENCED_BY_RELATION = YES + +# If the REFERENCES_RELATION tag is set to YES (the default) +# then for each documented function all documented entities +# called/used by that function will be listed. + +REFERENCES_RELATION = YES + +# If the VERBATIM_HEADERS tag is set to YES (the default) then Doxygen +# will generate a verbatim copy of the header file for each class for +# which an include is specified. Set to NO to disable this. + +VERBATIM_HEADERS = NO + +#--------------------------------------------------------------------------- +# configuration options related to the alphabetical class index +#--------------------------------------------------------------------------- + +# If the ALPHABETICAL_INDEX tag is set to YES, an alphabetical index +# of all compounds will be generated. Enable this if the project +# contains a lot of classes, structs, unions or interfaces. + +ALPHABETICAL_INDEX = NO + +# If the alphabetical index is enabled (see ALPHABETICAL_INDEX) then +# the COLS_IN_ALPHA_INDEX tag can be used to specify the number of columns +# in which this list will be split (can be a number in the range [1..20]) + +COLS_IN_ALPHA_INDEX = 5 + +# In case all classes in a project start with a common prefix, all +# classes will be put under the same header in the alphabetical index. +# The IGNORE_PREFIX tag can be used to specify one or more prefixes that +# should be ignored while generating the index headers. + +IGNORE_PREFIX = + +#--------------------------------------------------------------------------- +# configuration options related to the HTML output +#--------------------------------------------------------------------------- + +# If the GENERATE_HTML tag is set to YES (the default) Doxygen will +# generate HTML output. + +GENERATE_HTML = YES + +# The HTML_OUTPUT tag is used to specify where the HTML docs will be put. +# If a relative path is entered the value of OUTPUT_DIRECTORY will be +# put in front of it. If left blank `html' will be used as the default path. + +HTML_OUTPUT = html + +# The HTML_FILE_EXTENSION tag can be used to specify the file extension for +# each generated HTML page (for example: .htm,.php,.asp). If it is left blank +# doxygen will generate files with .html extension. + +HTML_FILE_EXTENSION = .html + +# The HTML_HEADER tag can be used to specify a personal HTML header for +# each generated HTML page. If it is left blank doxygen will generate a +# standard header. + +HTML_HEADER = + +# The HTML_FOOTER tag can be used to specify a personal HTML footer for +# each generated HTML page. If it is left blank doxygen will generate a +# standard footer. + +HTML_FOOTER = + +# The HTML_STYLESHEET tag can be used to specify a user-defined cascading +# style sheet that is used by each HTML page. It can be used to +# fine-tune the look of the HTML output. If the tag is left blank doxygen +# will generate a default style sheet. Note that doxygen will try to copy +# the style sheet file to the HTML output directory, so don't put your own +# stylesheet in the HTML output directory as well, or it will be erased! + +HTML_STYLESHEET = + +# If the HTML_ALIGN_MEMBERS tag is set to YES, the members of classes, +# files or namespaces will be aligned in HTML using tables. If set to +# NO a bullet list will be used. + +HTML_ALIGN_MEMBERS = YES + +# If the GENERATE_HTMLHELP tag is set to YES, additional index files +# will be generated that can be used as input for tools like the +# Microsoft HTML help workshop to generate a compressed HTML help file (.chm) +# of the generated HTML documentation. + +GENERATE_HTMLHELP = NO + +# If the GENERATE_HTMLHELP tag is set to YES, the CHM_FILE tag can +# be used to specify the file name of the resulting .chm file. You +# can add a path in front of the file if the result should not be +# written to the html output directory. + +CHM_FILE = + +# If the GENERATE_HTMLHELP tag is set to YES, the HHC_LOCATION tag can +# be used to specify the location (absolute path including file name) of +# the HTML help compiler (hhc.exe). If non-empty doxygen will try to run +# the HTML help compiler on the generated index.hhp. + +HHC_LOCATION = + +# If the GENERATE_HTMLHELP tag is set to YES, the GENERATE_CHI flag +# controls if a separate .chi index file is generated (YES) or that +# it should be included in the master .chm file (NO). + +GENERATE_CHI = NO + +# If the GENERATE_HTMLHELP tag is set to YES, the BINARY_TOC flag +# controls whether a binary table of contents is generated (YES) or a +# normal table of contents (NO) in the .chm file. + +BINARY_TOC = NO + +# The TOC_EXPAND flag can be set to YES to add extra items for group members +# to the contents of the HTML help documentation and to the tree view. + +TOC_EXPAND = NO + +# The DISABLE_INDEX tag can be used to turn on/off the condensed index at +# top of each HTML page. The value NO (the default) enables the index and +# the value YES disables it. + +DISABLE_INDEX = NO + +# This tag can be used to set the number of enum values (range [1..20]) +# that doxygen will group on one line in the generated HTML documentation. + +ENUM_VALUES_PER_LINE = 4 + +# If the GENERATE_TREEVIEW tag is set to YES, a side panel will be +# generated containing a tree-like index structure (just like the one that +# is generated for HTML Help). For this to work a browser that supports +# JavaScript, DHTML, CSS and frames is required (for instance Mozilla 1.0+, +# Netscape 6.0+, Internet explorer 5.0+, or Konqueror). Windows users are +# probably better off using the HTML help feature. + +GENERATE_TREEVIEW = NO + +# If the treeview is enabled (see GENERATE_TREEVIEW) then this tag can be +# used to set the initial width (in pixels) of the frame in which the tree +# is shown. + +TREEVIEW_WIDTH = 250 + +#--------------------------------------------------------------------------- +# configuration options related to the LaTeX output +#--------------------------------------------------------------------------- + +# If the GENERATE_LATEX tag is set to YES (the default) Doxygen will +# generate Latex output. + +GENERATE_LATEX = NO + +# The LATEX_OUTPUT tag is used to specify where the LaTeX docs will be put. +# If a relative path is entered the value of OUTPUT_DIRECTORY will be +# put in front of it. If left blank `latex' will be used as the default path. + +LATEX_OUTPUT = latex + +# The LATEX_CMD_NAME tag can be used to specify the LaTeX command name to be +# invoked. If left blank `latex' will be used as the default command name. + +LATEX_CMD_NAME = latex + +# The MAKEINDEX_CMD_NAME tag can be used to specify the command name to +# generate index for LaTeX. If left blank `makeindex' will be used as the +# default command name. + +MAKEINDEX_CMD_NAME = makeindex + +# If the COMPACT_LATEX tag is set to YES Doxygen generates more compact +# LaTeX documents. This may be useful for small projects and may help to +# save some trees in general. + +COMPACT_LATEX = NO + +# The PAPER_TYPE tag can be used to set the paper type that is used +# by the printer. Possible values are: a4, a4wide, letter, legal and +# executive. If left blank a4wide will be used. + +PAPER_TYPE = a4wide + +# The EXTRA_PACKAGES tag can be to specify one or more names of LaTeX +# packages that should be included in the LaTeX output. + +EXTRA_PACKAGES = + +# The LATEX_HEADER tag can be used to specify a personal LaTeX header for +# the generated latex document. The header should contain everything until +# the first chapter. If it is left blank doxygen will generate a +# standard header. Notice: only use this tag if you know what you are doing! + +LATEX_HEADER = + +# If the PDF_HYPERLINKS tag is set to YES, the LaTeX that is generated +# is prepared for conversion to pdf (using ps2pdf). The pdf file will +# contain links (just like the HTML output) instead of page references +# This makes the output suitable for online browsing using a pdf viewer. + +PDF_HYPERLINKS = NO + +# If the USE_PDFLATEX tag is set to YES, pdflatex will be used instead of +# plain latex in the generated Makefile. Set this option to YES to get a +# higher quality PDF documentation. + +USE_PDFLATEX = NO + +# If the LATEX_BATCHMODE tag is set to YES, doxygen will add the \\batchmode. +# command to the generated LaTeX files. This will instruct LaTeX to keep +# running if errors occur, instead of asking the user for help. +# This option is also used when generating formulas in HTML. + +LATEX_BATCHMODE = NO + +# If LATEX_HIDE_INDICES is set to YES then doxygen will not +# include the index chapters (such as File Index, Compound Index, etc.) +# in the output. + +LATEX_HIDE_INDICES = NO + +#--------------------------------------------------------------------------- +# configuration options related to the RTF output +#--------------------------------------------------------------------------- + +# If the GENERATE_RTF tag is set to YES Doxygen will generate RTF output +# The RTF output is optimized for Word 97 and may not look very pretty with +# other RTF readers or editors. + +GENERATE_RTF = NO + +# The RTF_OUTPUT tag is used to specify where the RTF docs will be put. +# If a relative path is entered the value of OUTPUT_DIRECTORY will be +# put in front of it. If left blank `rtf' will be used as the default path. + +RTF_OUTPUT = rtf + +# If the COMPACT_RTF tag is set to YES Doxygen generates more compact +# RTF documents. This may be useful for small projects and may help to +# save some trees in general. + +COMPACT_RTF = NO + +# If the RTF_HYPERLINKS tag is set to YES, the RTF that is generated +# will contain hyperlink fields. The RTF file will +# contain links (just like the HTML output) instead of page references. +# This makes the output suitable for online browsing using WORD or other +# programs which support those fields. +# Note: wordpad (write) and others do not support links. + +RTF_HYPERLINKS = NO + +# Load stylesheet definitions from file. Syntax is similar to doxygen's +# config file, i.e. a series of assignments. You only have to provide +# replacements, missing definitions are set to their default value. + +RTF_STYLESHEET_FILE = + +# Set optional variables used in the generation of an rtf document. +# Syntax is similar to doxygen's config file. + +RTF_EXTENSIONS_FILE = + +#--------------------------------------------------------------------------- +# configuration options related to the man page output +#--------------------------------------------------------------------------- + +# If the GENERATE_MAN tag is set to YES (the default) Doxygen will +# generate man pages + +GENERATE_MAN = NO + +# The MAN_OUTPUT tag is used to specify where the man pages will be put. +# If a relative path is entered the value of OUTPUT_DIRECTORY will be +# put in front of it. If left blank `man' will be used as the default path. + +MAN_OUTPUT = man + +# The MAN_EXTENSION tag determines the extension that is added to +# the generated man pages (default is the subroutine's section .3) + +MAN_EXTENSION = .3 + +# If the MAN_LINKS tag is set to YES and Doxygen generates man output, +# then it will generate one additional man file for each entity +# documented in the real man page(s). These additional files +# only source the real man page, but without them the man command +# would be unable to find the correct page. The default is NO. + +MAN_LINKS = NO + +#--------------------------------------------------------------------------- +# configuration options related to the XML output +#--------------------------------------------------------------------------- + +# If the GENERATE_XML tag is set to YES Doxygen will +# generate an XML file that captures the structure of +# the code including all documentation. + +GENERATE_XML = NO + +# The XML_OUTPUT tag is used to specify where the XML pages will be put. +# If a relative path is entered the value of OUTPUT_DIRECTORY will be +# put in front of it. If left blank `xml' will be used as the default path. + +XML_OUTPUT = xml + +# The XML_SCHEMA tag can be used to specify an XML schema, +# which can be used by a validating XML parser to check the +# syntax of the XML files. + +XML_SCHEMA = + +# The XML_DTD tag can be used to specify an XML DTD, +# which can be used by a validating XML parser to check the +# syntax of the XML files. + +XML_DTD = + +# If the XML_PROGRAMLISTING tag is set to YES Doxygen will +# dump the program listings (including syntax highlighting +# and cross-referencing information) to the XML output. Note that +# enabling this will significantly increase the size of the XML output. + +XML_PROGRAMLISTING = YES + +#--------------------------------------------------------------------------- +# configuration options for the AutoGen Definitions output +#--------------------------------------------------------------------------- + +# If the GENERATE_AUTOGEN_DEF tag is set to YES Doxygen will +# generate an AutoGen Definitions (see autogen.sf.net) file +# that captures the structure of the code including all +# documentation. Note that this feature is still experimental +# and incomplete at the moment. + +GENERATE_AUTOGEN_DEF = NO + +#--------------------------------------------------------------------------- +# configuration options related to the Perl module output +#--------------------------------------------------------------------------- + +# If the GENERATE_PERLMOD tag is set to YES Doxygen will +# generate a Perl module file that captures the structure of +# the code including all documentation. Note that this +# feature is still experimental and incomplete at the +# moment. + +GENERATE_PERLMOD = NO + +# If the PERLMOD_LATEX tag is set to YES Doxygen will generate +# the necessary Makefile rules, Perl scripts and LaTeX code to be able +# to generate PDF and DVI output from the Perl module output. + +PERLMOD_LATEX = NO + +# If the PERLMOD_PRETTY tag is set to YES the Perl module output will be +# nicely formatted so it can be parsed by a human reader. This is useful +# if you want to understand what is going on. On the other hand, if this +# tag is set to NO the size of the Perl module output will be much smaller +# and Perl will parse it just the same. + +PERLMOD_PRETTY = YES + +# The names of the make variables in the generated doxyrules.make file +# are prefixed with the string contained in PERLMOD_MAKEVAR_PREFIX. +# This is useful so different doxyrules.make files included by the same +# Makefile don't overwrite each other's variables. + +PERLMOD_MAKEVAR_PREFIX = + +#--------------------------------------------------------------------------- +# Configuration options related to the preprocessor +#--------------------------------------------------------------------------- + +# If the ENABLE_PREPROCESSING tag is set to YES (the default) Doxygen will +# evaluate all C-preprocessor directives found in the sources and include +# files. + +ENABLE_PREPROCESSING = YES + +# If the MACRO_EXPANSION tag is set to YES Doxygen will expand all macro +# names in the source code. If set to NO (the default) only conditional +# compilation will be performed. Macro expansion can be done in a controlled +# way by setting EXPAND_ONLY_PREDEF to YES. + +MACRO_EXPANSION = NO + +# If the EXPAND_ONLY_PREDEF and MACRO_EXPANSION tags are both set to YES +# then the macro expansion is limited to the macros specified with the +# PREDEFINED and EXPAND_AS_PREDEFINED tags. + +EXPAND_ONLY_PREDEF = NO + +# If the SEARCH_INCLUDES tag is set to YES (the default) the includes files +# in the INCLUDE_PATH (see below) will be search if a #include is found. + +SEARCH_INCLUDES = YES + +# The INCLUDE_PATH tag can be used to specify one or more directories that +# contain include files that are not input files but should be processed by +# the preprocessor. + +INCLUDE_PATH = + +# You can use the INCLUDE_FILE_PATTERNS tag to specify one or more wildcard +# patterns (like *.h and *.hpp) to filter out the header-files in the +# directories. If left blank, the patterns specified with FILE_PATTERNS will +# be used. + +INCLUDE_FILE_PATTERNS = + +# The PREDEFINED tag can be used to specify one or more macro names that +# are defined before the preprocessor is started (similar to the -D option of +# gcc). The argument of the tag is a list of macros of the form: name +# or name=definition (no spaces). If the definition and the = are +# omitted =1 is assumed. + +PREDEFINED = + +# If the MACRO_EXPANSION and EXPAND_ONLY_PREDEF tags are set to YES then +# this tag can be used to specify a list of macro names that should be expanded. +# The macro definition that is found in the sources will be used. +# Use the PREDEFINED tag if you want to use a different macro definition. + +EXPAND_AS_DEFINED = + +# If the SKIP_FUNCTION_MACROS tag is set to YES (the default) then +# doxygen's preprocessor will remove all function-like macros that are alone +# on a line, have an all uppercase name, and do not end with a semicolon. Such +# function macros are typically used for boiler-plate code, and will confuse the +# parser if not removed. + +SKIP_FUNCTION_MACROS = YES + +#--------------------------------------------------------------------------- +# Configuration::additions related to external references +#--------------------------------------------------------------------------- + +# The TAGFILES option can be used to specify one or more tagfiles. +# Optionally an initial location of the external documentation +# can be added for each tagfile. The format of a tag file without +# this location is as follows: +# TAGFILES = file1 file2 ... +# Adding location for the tag files is done as follows: +# TAGFILES = file1=loc1 "file2 = loc2" ... +# where "loc1" and "loc2" can be relative or absolute paths or +# URLs. If a location is present for each tag, the installdox tool +# does not have to be run to correct the links. +# Note that each tag file must have a unique name +# (where the name does NOT include the path) +# If a tag file is not located in the directory in which doxygen +# is run, you must also specify the path to the tagfile here. + +TAGFILES = + +# When a file name is specified after GENERATE_TAGFILE, doxygen will create +# a tag file that is based on the input files it reads. + +GENERATE_TAGFILE = + +# If the ALLEXTERNALS tag is set to YES all external classes will be listed +# in the class index. If set to NO only the inherited external classes +# will be listed. + +ALLEXTERNALS = NO + +# If the EXTERNAL_GROUPS tag is set to YES all external groups will be listed +# in the modules index. If set to NO, only the current project's groups will +# be listed. + +EXTERNAL_GROUPS = YES + +# The PERL_PATH should be the absolute path and name of the perl script +# interpreter (i.e. the result of `which perl'). + +PERL_PATH = /usr/bin/perl + +#--------------------------------------------------------------------------- +# Configuration options related to the dot tool +#--------------------------------------------------------------------------- + +# If the CLASS_DIAGRAMS tag is set to YES (the default) Doxygen will +# generate a inheritance diagram (in HTML, RTF and LaTeX) for classes with base or +# super classes. Setting the tag to NO turns the diagrams off. Note that this +# option is superseded by the HAVE_DOT option below. This is only a fallback. It is +# recommended to install and use dot, since it yields more powerful graphs. + +CLASS_DIAGRAMS = YES + +# If set to YES, the inheritance and collaboration graphs will hide +# inheritance and usage relations if the target is undocumented +# or is not a class. + +HIDE_UNDOC_RELATIONS = YES + +# If you set the HAVE_DOT tag to YES then doxygen will assume the dot tool is +# available from the path. This tool is part of Graphviz, a graph visualization +# toolkit from AT&T and Lucent Bell Labs. The other options in this section +# have no effect if this option is set to NO (the default) + +HAVE_DOT = NO + +# If the CLASS_GRAPH and HAVE_DOT tags are set to YES then doxygen +# will generate a graph for each documented class showing the direct and +# indirect inheritance relations. Setting this tag to YES will force the +# the CLASS_DIAGRAMS tag to NO. + +CLASS_GRAPH = YES + +# If the COLLABORATION_GRAPH and HAVE_DOT tags are set to YES then doxygen +# will generate a graph for each documented class showing the direct and +# indirect implementation dependencies (inheritance, containment, and +# class references variables) of the class with other documented classes. + +COLLABORATION_GRAPH = YES + +# If the UML_LOOK tag is set to YES doxygen will generate inheritance and +# collaboration diagrams in a style similar to the OMG's Unified Modeling +# Language. + +UML_LOOK = NO + +# If set to YES, the inheritance and collaboration graphs will show the +# relations between templates and their instances. + +TEMPLATE_RELATIONS = NO + +# If the ENABLE_PREPROCESSING, SEARCH_INCLUDES, INCLUDE_GRAPH, and HAVE_DOT +# tags are set to YES then doxygen will generate a graph for each documented +# file showing the direct and indirect include dependencies of the file with +# other documented files. + +INCLUDE_GRAPH = YES + +# If the ENABLE_PREPROCESSING, SEARCH_INCLUDES, INCLUDED_BY_GRAPH, and +# HAVE_DOT tags are set to YES then doxygen will generate a graph for each +# documented header file showing the documented files that directly or +# indirectly include this file. + +INCLUDED_BY_GRAPH = YES + +# If the CALL_GRAPH and HAVE_DOT tags are set to YES then doxygen will +# generate a call dependency graph for every global function or class method. +# Note that enabling this option will significantly increase the time of a run. +# So in most cases it will be better to enable call graphs for selected +# functions only using the \callgraph command. + +CALL_GRAPH = NO + +# If the GRAPHICAL_HIERARCHY and HAVE_DOT tags are set to YES then doxygen +# will graphical hierarchy of all classes instead of a textual one. + +GRAPHICAL_HIERARCHY = YES + +# The DOT_IMAGE_FORMAT tag can be used to set the image format of the images +# generated by dot. Possible values are png, jpg, or gif +# If left blank png will be used. + +DOT_IMAGE_FORMAT = png + +# The tag DOT_PATH can be used to specify the path where the dot tool can be +# found. If left blank, it is assumed the dot tool can be found on the path. + +DOT_PATH = + +# The DOTFILE_DIRS tag can be used to specify one or more directories that +# contain dot files that are included in the documentation (see the +# \dotfile command). + +DOTFILE_DIRS = + +# The MAX_DOT_GRAPH_WIDTH tag can be used to set the maximum allowed width +# (in pixels) of the graphs generated by dot. If a graph becomes larger than +# this value, doxygen will try to truncate the graph, so that it fits within +# the specified constraint. Beware that most browsers cannot cope with very +# large images. + +MAX_DOT_GRAPH_WIDTH = 1024 + +# The MAX_DOT_GRAPH_HEIGHT tag can be used to set the maximum allows height +# (in pixels) of the graphs generated by dot. If a graph becomes larger than +# this value, doxygen will try to truncate the graph, so that it fits within +# the specified constraint. Beware that most browsers cannot cope with very +# large images. + +MAX_DOT_GRAPH_HEIGHT = 1024 + +# The MAX_DOT_GRAPH_DEPTH tag can be used to set the maximum depth of the +# graphs generated by dot. A depth value of 3 means that only nodes reachable +# from the root by following a path via at most 3 edges will be shown. Nodes that +# lay further from the root node will be omitted. Note that setting this option to +# 1 or 2 may greatly reduce the computation time needed for large code bases. Also +# note that a graph may be further truncated if the graph's image dimensions are +# not sufficient to fit the graph (see MAX_DOT_GRAPH_WIDTH and MAX_DOT_GRAPH_HEIGHT). +# If 0 is used for the depth value (the default), the graph is not depth-constrained. + +MAX_DOT_GRAPH_DEPTH = 0 + +# If the GENERATE_LEGEND tag is set to YES (the default) Doxygen will +# generate a legend page explaining the meaning of the various boxes and +# arrows in the dot generated graphs. + +GENERATE_LEGEND = YES + +# If the DOT_CLEANUP tag is set to YES (the default) Doxygen will +# remove the intermediate dot files that are used to generate +# the various graphs. + +DOT_CLEANUP = YES + +#--------------------------------------------------------------------------- +# Configuration::additions related to the search engine +#--------------------------------------------------------------------------- + +# The SEARCHENGINE tag specifies whether or not a search engine should be +# used. If set to NO the values of all tags below this one will be ignored. + +SEARCHENGINE = NO diff --git a/Makefile b/Makefile new file mode 100644 index 0000000..f32694b --- /dev/null +++ b/Makefile @@ -0,0 +1,40 @@ +# $Id: Makefile,v 1.4 2004/07/22 01:37:44 mclark Exp $ + +CFLAGS += -g -Wall -std=gnu99 -D_GNU_SOURCE -D_REENTRANT +LDFLAGS += +LDLIBS += + +LIB_OBJS = debug.o \ + linkhash.o \ + printbuf.o \ + arraylist.o \ + json_object.o \ + json_tokener.o + +LIB_HDRS = debug.h \ + linkhash.h \ + printbuf.h \ + arraylist.h \ + json_object.h \ + json_tokener.h + +TESTS = test1 test2 + +all: tests + +tests: $(TESTS) +test1: test1.o $(LIB_OBJS) +test2: test2.o $(LIB_OBJS) + +clean: + rm -f *.o *~ $(TESTS) + +cex.o: cex.c cex.h +debug.o: debug.c debug.h +linkhash.o: linkhash.c linkhash.h +arraylist.o: arraylist.c arraylist.h +json_object.o: json_object.c $(LIB_HDRS) +json_tokener.o: json_tokener.c $(LIB_HDRS) +test1.o: test1.c $(LIB_HDRS) +test2.o: test2.c $(LIB_HDRS) + diff --git a/README.html b/README.html new file mode 100644 index 0000000..5b9a8dc --- /dev/null +++ b/README.html @@ -0,0 +1,32 @@ +<h2>JSON-C - A JSON implementation in C</h2> +<p>Latest release: <a href="json-c-0.1.tar.gz">json-c-0.1.tar.gz</a></p> + +<p>JSON-C implements a reference counting object model that allows you +to easily construct JSON objects in C, output them as JSON formatted strings +and parse JSON formatted strings back into the C representation of JSON +objects.</p> + +<p>Minimal documentation exists <a href="doc/html/json__object_8h.html">here</a>, +Although you are probably better reading the example code in test1.c.</p> + +<p>JSON-C currently depends on some gcc 3.0+ features so can probably only be + compiled with gcc 3.0+. It also uses some specifc glibc functions such as + vasprintf. Patches welcome to port to other compilers / platforms.</p> + +<p>Please send bug reports to <a href="mailto:michael@metaparadigm.com">michael@metaparadigm.com</a></p> + +<h3>Anonymous CVS</h3> +<p><code># <b>export CVSROOT=:pserver:anoncvs@cvs.metaparadigm.com:/cvsroot</b><br> +# <b>cvs login</b><br> +Logging in to :pserver:anoncvs@cvs.metaparadigm.com:2401/cvsroot<br> +CVS password: <enter '<b>anoncvs</b>'><br> +# <b>cvs co json-c</b></code></p> + +<p>Copyright Metaparadigm Pte. Ltd. 2004. <a href="mailto:michael@metaparadigm.com">Michael Clark </a></p> + +<p>This program is free software; you can redistribute it and/or +modify it under the terms of the GNU Lesser General Public (LGPL) +License as published by the Free Software Foundation; either +version 2.1 of the License, or (at your option) any later version.</p> + +<hr> diff --git a/arraylist.c b/arraylist.c new file mode 100644 index 0000000..854d130 --- /dev/null +++ b/arraylist.c @@ -0,0 +1,94 @@ +/* + * $Id: arraylist.c,v 1.2 2004/07/21 01:24:33 mclark Exp $ + * + * Copyright Metaparadigm Pte. Ltd. 2004. + * Michael Clark <michael@metaparadigm.com> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public (LGPL) + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details: http://www.gnu.org/ + * + */ + +#include <stdlib.h> +#include <string.h> +#include <strings.h> + +#include "bits.h" +#include "arraylist.h" + + +struct array_list* +array_list_new(array_list_free_fn *free_fn) +{ + struct array_list *this; + + if(!(this = calloc(1, sizeof(struct array_list)))) return NULL; + this->size = ARRAY_LIST_DEFAULT_SIZE; + this->length = 0; + this->free_fn = free_fn; + if(!(this->array = calloc(sizeof(void*), this->size))) { + free(this); + return NULL; + } + return this; +} + +extern void +array_list_free(struct array_list *this) +{ + int i; + for(i = 0; i < this->length; i++) + if(this->array[i]) this->free_fn(this->array[i]); + free(this->array); + free(this); +} + +void* +array_list_get_idx(struct array_list *this, int i) +{ + if(i >= this->length) return NULL; + return this->array[i]; +} + +static int array_list_expand_internal(struct array_list *this, int max) +{ + void *t; + int new_size; + + if(max < this->size) return 0; + new_size = max(this->size << 1, max); + if(!(t = realloc(this->array, new_size*sizeof(void*)))) return -1; + this->array = t; + bzero(this->array + this->size, (new_size-this->size)*sizeof(void*)); + this->size = new_size; + return 0; +} + +int +array_list_put_idx(struct array_list *this, int idx, void *data) +{ + if(array_list_expand_internal(this, idx)) return -1; + if(this->array[idx]) this->free_fn(this->array[idx]); + this->array[idx] = data; + if(this->length <= idx) this->length = idx + 1; + return 0; +} + +int +array_list_add(struct array_list *this, void *data) +{ + return array_list_put_idx(this, this->length, data); +} + +int +array_list_length(struct array_list *this) +{ + return this->length; +} diff --git a/arraylist.h b/arraylist.h new file mode 100644 index 0000000..d82f14a --- /dev/null +++ b/arraylist.h @@ -0,0 +1,52 @@ +/* + * $Id: arraylist.h,v 1.2 2004/07/21 01:24:33 mclark Exp $ + * + * Copyright Metaparadigm Pte. Ltd. 2004. + * Michael Clark <michael@metaparadigm.com> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public (LGPL) + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details: http://www.gnu.org/ + * + */ + +#ifndef _arraylist_h_ +#define _arraylist_h_ + +#define ARRAY_LIST_DEFAULT_SIZE 32 + +typedef void (array_list_free_fn) (void *data); + +struct array_list +{ + void **array; + int length; + int size; + array_list_free_fn *free_fn; +}; + +extern struct array_list* +array_list_new(array_list_free_fn *free_fn); + +extern void +array_list_free(struct array_list *this); + +extern void* +array_list_get_idx(struct array_list *this, int i); + +extern int +array_list_put_idx(struct array_list *this, int i, void *data); + +extern int +array_list_add(struct array_list *this, void *data); + +extern int +array_list_length(struct array_list *this); + +#endif @@ -0,0 +1,38 @@ +/* + * $Id: bits.h,v 1.3 2004/07/21 10:10:22 mclark Exp $ + * + * Copyright Metaparadigm Pte. Ltd. 2004. + * Michael Clark <michael@metaparadigm.com> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public (LGPL) + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details: http://www.gnu.org/ + * + */ + +#ifndef _bits_h_ +#define _bits_h_ + +#define min(x,y) ({ \ + typeof(x) _x = (x); \ + typeof(y) _y = (y); \ + (void) (&_x == &_y); \ + _x < _y ? _x : _y; }) + +#define max(x,y) ({ \ + typeof(x) _x = (x); \ + typeof(y) _y = (y); \ + (void) (&_x == &_y); \ + _x > _y ? _x : _y; }) + +#define hexdigit(x) (((x) <= '9') ? (x) - '0' : ((x) & 7) + 9) +#define error_ptr(error) ((void*)error) +#define is_error(ptr) ((unsigned long)ptr > (unsigned long)-4000L) + +#endif @@ -0,0 +1,75 @@ +/* + * $Id: debug.c,v 1.3 2004/08/07 03:11:38 mclark Exp $ + * + * Copyright Metaparadigm Pte. Ltd. 2004. + * Michael Clark <michael@metaparadigm.com> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public (LGPL) + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details: http://www.gnu.org/ + * + */ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <stdarg.h> +#include <syslog.h> +#include <unistd.h> +#include <sys/param.h> + +#include "debug.h" + + +static int _syslog = 0; +static int _debug = 0; + +void mc_set_debug(int debug) { _debug = debug; } +int mc_get_debug() { return _debug; } + +extern void mc_set_syslog(int syslog) +{ + _syslog = syslog; +} + +void mc_abort(const char *msg, ...) +{ + va_list ap; + va_start(ap, msg); + if(_syslog) vsyslog(LOG_ERR, msg, ap); + else vprintf(msg, ap); + exit(1); +} + + +void mc_debug(const char *msg, ...) +{ + va_list ap; + if(_debug) { + va_start(ap, msg); + if(_syslog) vsyslog(LOG_DEBUG, msg, ap); + else vprintf(msg, ap); + } +} + +void mc_error(const char *msg, ...) +{ + va_list ap; + va_start(ap, msg); + if(_syslog) vsyslog(LOG_ERR, msg, ap); + else vfprintf(stderr, msg, ap); +} + +void mc_info(const char *msg, ...) +{ + va_list ap; + va_start(ap, msg); + if(_syslog) vsyslog(LOG_INFO, msg, ap); + else vfprintf(stderr, msg, ap); +} @@ -0,0 +1,33 @@ +/* + * $Id: debug.h,v 1.2 2004/07/21 01:24:33 mclark Exp $ + * + * Copyright Metaparadigm Pte. Ltd. 2004. + * Michael Clark <michael@metaparadigm.com> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public (LGPL) + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details: http://www.gnu.org/ + * + */ + +#ifndef _DEBUG_H_ +#define _DEBUG_H_ + +#define errstr strerror(errno) + +extern void mc_set_debug(int debug); +extern int mc_get_debug(); + +extern void mc_set_syslog(int syslog); +extern void mc_abort(const char *msg, ...); +extern void mc_debug(const char *msg, ...); +extern void mc_error(const char *msg, ...); +extern void mc_info(const char *msg, ...); + +#endif @@ -0,0 +1,30 @@ +/* + * $Id: json.h,v 1.4 2004/08/07 03:13:52 mclark Exp $ + * + * Copyright Metaparadigm Pte. Ltd. 2004. + * Michael Clark <michael@metaparadigm.com> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public (LGPL) + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details: http://www.gnu.org/ + * + */ + +#ifndef _json_h_ +#define _json_h_ + +#include "bits.h" +#include "debug.h" +#include "linkhash.h" +#include "arraylist.h" +#include "json_util.h" +#include "json_object.h" +#include "json_tokener.h" + +#endif diff --git a/json_object.c b/json_object.c new file mode 100644 index 0000000..a7b0c1d --- /dev/null +++ b/json_object.c @@ -0,0 +1,493 @@ +/* + * $Id: json_object.c,v 1.10 2004/08/07 03:12:43 mclark Exp $ + * + * Copyright Metaparadigm Pte. Ltd. 2004. + * Michael Clark <michael@metaparadigm.com> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public (LGPL) + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details: http://www.gnu.org/ + * + */ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "debug.h" +#include "printbuf.h" +#include "linkhash.h" +#include "arraylist.h" +#include "json_object.h" +#include "json_object_private.h" + + +/* #define REFCOUNT_DEBUG */ + +char *json_number_chars = "0123456789.+-e"; +char *json_hex_chars = "0123456789abcdef"; + +#ifdef REFCOUNT_DEBUG +static char* json_type_name[] = { + "null", + "boolean", + "double", + "int", + "object", + "array", + "string", +}; +#endif + +static void json_object_generic_delete(struct json_object* this); +static struct json_object* json_object_new(enum json_type o_type); + + +/* ref count debugging */ + +#ifdef REFCOUNT_DEBUG + +static struct lh_table *json_object_table; + +static void json_object_init() __attribute__ ((constructor)); +static void json_object_init() { + mc_debug("json_object_init: creating object table\n"); + json_object_table = lh_kptr_table_new(128, "json_object_table", NULL); +} + +static void json_object_fini() __attribute__ ((destructor)); +static void json_object_fini() { + struct lh_entry *ent; + if(mc_get_debug() && json_object_table->count) { + mc_debug("json_object_fini: %d referenced objects at exit\n", + json_object_table->count); + lh_foreach(json_object_table, ent) { + struct json_object* obj = (struct json_object*)ent->v; + mc_debug("\t%s:%p\n", json_type_name[obj->o_type], obj); + } + } + mc_debug("json_object_fini: freeing object table\n"); + lh_table_free(json_object_table); +} +#endif + + +/* string escaping */ + +static int json_escape_str(struct printbuf *pb, char *str) +{ + int pos = 0, start_offset = 0; + char c; + do { + c = str[pos]; + switch(c) { + case '\b': + case '\n': + case '\r': + case '\t': + if(pos - start_offset > 0) + printbuf_memappend(pb, str + start_offset, pos - start_offset); + if(c == '\b') printbuf_memappend(pb, "\\b", 2); + else if(c == '\n') printbuf_memappend(pb, "\\n", 2); + else if(c == '\r') printbuf_memappend(pb, "\\r", 2); + else if(c == '\t') printbuf_memappend(pb, "\\t", 2); + start_offset = ++pos; + break; + default: + if(c && c < ' ') { + if(pos - start_offset > 0) + printbuf_memappend(pb, str + start_offset, pos - start_offset); + sprintbuf(pb, "\\u00%c%c", + json_hex_chars[c >> 4], + json_hex_chars[c & 0xf]); + start_offset = ++pos; + } else if(c) pos++; + } + } while(c); + if(pos - start_offset > 0) + printbuf_memappend(pb, str + start_offset, pos - start_offset); + return 0; +} + + +/* reference counting */ + +extern struct json_object* json_object_get(struct json_object *this) +{ + if(this) { + this->_ref_count++; + } + return this; +} + +extern void json_object_put(struct json_object *this) +{ + if(this) { + this->_ref_count--; + if(!this->_ref_count) this->_delete(this); + } +} + + +/* generic object construction and destruction parts */ + +static void json_object_generic_delete(struct json_object* this) +{ +#ifdef REFCOUNT_DEBUG + mc_debug("json_object_delete_%s: %p\n", + json_type_name[this->o_type], this); + lh_table_delete(json_object_table, this); +#endif + printbuf_free(this->_pb); + free(this); +} + +static struct json_object* json_object_new(enum json_type o_type) +{ + struct json_object *this = calloc(sizeof(struct json_object), 1); + if(!this) return NULL; + this->o_type = o_type; + this->_ref_count = 1; + this->_delete = &json_object_generic_delete; +#ifdef REFCOUNT_DEBUG + lh_table_insert(json_object_table, this, this); + mc_debug("json_object_new_%s: %p\n", json_type_name[this->o_type], this); +#endif + return this; +} + + +/* type checking functions */ + +int json_object_is_type(struct json_object *this, enum json_type type) +{ + return (this->o_type == type); +} + +enum json_type json_object_get_type(struct json_object *this) +{ + return this->o_type; +} + + +/* json_object_to_json_string */ + +char* json_object_to_json_string(struct json_object *this) +{ + if(!this) return "null"; + if(!this->_pb) { + if(!(this->_pb = printbuf_new())) return NULL; + } else { + printbuf_reset(this->_pb); + } + if(this->_to_json_string(this, this->_pb) < 0) return NULL; + return this->_pb->buf; +} + + +/* json_object_object */ + +static int json_object_object_to_json_string(struct json_object* this, + struct printbuf *pb) +{ + int i=0; + sprintbuf(pb, "{"); + json_object_object_foreach(this, key, val) { + if(i) sprintbuf(pb, ","); + sprintbuf(pb, " \""); + json_escape_str(pb, key); + sprintbuf(pb, "\": "); + if(val == NULL) sprintbuf(pb, "null"); + else val->_to_json_string(val, pb); + i++; + } + return sprintbuf(pb, " }"); +} + +static void json_object_lh_entry_free(struct lh_entry *ent) +{ + free(ent->k); + json_object_put((struct json_object*)ent->v); +} + +static void json_object_object_delete(struct json_object* this) +{ + lh_table_free(this->o.c_object); + json_object_generic_delete(this); +} + +struct json_object* json_object_new_object() +{ + struct json_object *this = json_object_new(json_type_object); + if(!this) return NULL; + this->_delete = &json_object_object_delete; + this->_to_json_string = &json_object_object_to_json_string; + this->o.c_object = lh_kchar_table_new(JSON_OBJECT_DEF_HASH_ENTIRES, + NULL, &json_object_lh_entry_free); + return this; +} + +struct lh_table* json_object_get_object(struct json_object *this) +{ + if(!this) return NULL; + switch(this->o_type) { + case json_type_object: + return this->o.c_object; + default: + return NULL; + } +} + +void json_object_object_add(struct json_object* this, char *key, + struct json_object *val) +{ + lh_table_delete(this->o.c_object, key); + lh_table_insert(this->o.c_object, strdup(key), val); +} + +struct json_object* json_object_object_get(struct json_object* this, char *key) +{ + return (struct json_object*) lh_table_lookup(this->o.c_object, key); +} + +void json_object_object_del(struct json_object* this, char *key) +{ + lh_table_delete(this->o.c_object, key); +} + + +/* json_object_boolean */ + +static int json_object_boolean_to_json_string(struct json_object* this, + struct printbuf *pb) +{ + if(this->o.c_boolean) return sprintbuf(pb, "true"); + else return sprintbuf(pb, "false"); +} + +struct json_object* json_object_new_boolean(boolean b) +{ + struct json_object *this = json_object_new(json_type_boolean); + if(!this) return NULL; + this->_to_json_string = &json_object_boolean_to_json_string; + this->o.c_boolean = b; + return this; +} + +boolean json_object_get_boolean(struct json_object *this) +{ + if(!this) return FALSE; + switch(this->o_type) { + case json_type_boolean: + return this->o.c_boolean; + case json_type_int: + return (this->o.c_int != 0); + case json_type_double: + return (this->o.c_double != 0); + case json_type_string: + if(strlen(this->o.c_string)) return TRUE; + default: + return TRUE; + } +} + + +/* json_object_int */ + +static int json_object_int_to_json_string(struct json_object* this, + struct printbuf *pb) +{ + return sprintbuf(pb, "%d", this->o.c_int); +} + +struct json_object* json_object_new_int(int i) +{ + struct json_object *this = json_object_new(json_type_int); + if(!this) return NULL; + this->_to_json_string = &json_object_int_to_json_string; + this->o.c_int = i; + return this; +} + +int json_object_get_int(struct json_object *this) +{ + int cint; + + if(!this) return 0; + switch(this->o_type) { + case json_type_int: + return this->o.c_int; + case json_type_double: + return this->o.c_double; + case json_type_boolean: + return this->o.c_boolean; + case json_type_string: + if(sscanf(this->o.c_string, "%d", &cint) == 1) return cint; + default: + return 0; + } +} + + +/* json_object_double */ + +static int json_object_double_to_json_string(struct json_object* this, + struct printbuf *pb) +{ + return sprintbuf(pb, "%lf", this->o.c_double); +} + +struct json_object* json_object_new_double(double d) +{ + struct json_object *this = json_object_new(json_type_double); + if(!this) return NULL; + this->_to_json_string = &json_object_double_to_json_string; + this->o.c_double = d; + return this; +} + +double json_object_get_double(struct json_object *this) +{ + double cdouble; + + if(!this) return 0.0; + switch(this->o_type) { + case json_type_double: + return this->o.c_double; + case json_type_int: + return this->o.c_int; + case json_type_boolean: + return this->o.c_boolean; + case json_type_string: + if(sscanf(this->o.c_string, "%lf", &cdouble) == 1) return cdouble; + default: + return 0.0; + } +} + + +/* json_object_string */ + +static int json_object_string_to_json_string(struct json_object* this, + struct printbuf *pb) +{ + sprintbuf(pb, "\""); + json_escape_str(pb, this->o.c_string); + sprintbuf(pb, "\""); + return 0; +} + +static void json_object_string_delete(struct json_object* this) +{ + free(this->o.c_string); + json_object_generic_delete(this); +} + +struct json_object* json_object_new_string(char *s) +{ + struct json_object *this = json_object_new(json_type_string); + if(!this) return NULL; + this->_delete = &json_object_string_delete; + this->_to_json_string = &json_object_string_to_json_string; + this->o.c_string = strdup(s); + return this; +} + +struct json_object* json_object_new_string_len(char *s, int len) +{ + struct json_object *this = json_object_new(json_type_string); + if(!this) return NULL; + this->_delete = &json_object_string_delete; + this->_to_json_string = &json_object_string_to_json_string; + this->o.c_string = strndup(s, len); + return this; +} + +char* json_object_get_string(struct json_object *this) +{ + if(!this) return NULL; + switch(this->o_type) { + case json_type_string: + return this->o.c_string; + default: + return json_object_to_json_string(this); + } +} + + +/* json_object_array */ + +static int json_object_array_to_json_string(struct json_object* this, + struct printbuf *pb) +{ + sprintbuf(pb, "["); + for(int i=0; i < json_object_array_length(this); i++) { + if(i) sprintbuf(pb, ", "); + else sprintbuf(pb, " "); + struct json_object *val = json_object_array_get_idx(this, i); + if(val == NULL) sprintbuf(pb, "null"); + else val->_to_json_string(val, pb); + } + return sprintbuf(pb, " ]"); +} + +static void json_object_array_entry_free(void *data) +{ + json_object_put((struct json_object*)data); +} + +static void json_object_array_delete(struct json_object* this) +{ + array_list_free(this->o.c_array); + json_object_generic_delete(this); +} + +struct json_object* json_object_new_array() +{ + struct json_object *this = json_object_new(json_type_array); + if(!this) return NULL; + this->_delete = &json_object_array_delete; + this->_to_json_string = &json_object_array_to_json_string; + this->o.c_array = array_list_new(&json_object_array_entry_free); + return this; +} + +struct array_list* json_object_get_array(struct json_object *this) +{ + if(!this) return NULL; + switch(this->o_type) { + case json_type_array: + return this->o.c_array; + default: + return NULL; + } +} + +int json_object_array_length(struct json_object *this) +{ + return array_list_length(this->o.c_array); +} + +int json_object_array_add(struct json_object *this,struct json_object *val) +{ + return array_list_add(this->o.c_array, val); +} + +int json_object_array_put_idx(struct json_object *this, int idx, + struct json_object *val) +{ + return array_list_put_idx(this->o.c_array, idx, val); +} + +struct json_object* json_object_array_get_idx(struct json_object *this, + int idx) +{ + return (struct json_object*)array_list_get_idx(this->o.c_array, idx); +} + diff --git a/json_object.h b/json_object.h new file mode 100644 index 0000000..9fc9bd0 --- /dev/null +++ b/json_object.h @@ -0,0 +1,300 @@ +/* + * $Id: json_object.h,v 1.8 2004/08/07 04:21:27 mclark Exp $ + * + * Copyright Metaparadigm Pte. Ltd. 2004. + * Michael Clark <michael@metaparadigm.com> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public (LGPL) + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details: http://www.gnu.org/ + * + */ + +#ifndef _json_object_h_ +#define _json_object_h_ + +#define JSON_OBJECT_DEF_HASH_ENTIRES 16 + +#undef FALSE +#define FALSE ((boolean)0) + +#undef TRUE +#define TRUE ((boolean)1) + +extern char *json_number_chars; +extern char *json_hex_chars; + +/* forward structure definitions */ + +typedef int boolean; +struct printbuf; +struct lh_table; +struct array_list; +struct json_object; + +/* supported object types */ + +enum json_type { + json_type_null, + json_type_boolean, + json_type_double, + json_type_int, + json_type_object, + json_type_array, + json_type_string, +}; + +/* reference counting functions */ + +/** + * Increment the reference count of json_object + * @param this the json_object instance + */ +extern struct json_object* json_object_get(struct json_object *this); + +/** + * Decrement the reference count of json_object and free if it reaches zero + * @param this the json_object instance + */ +extern void json_object_put(struct json_object *this); + + +/** + * Check if the json_object is of a given type + * @param this the json_object instance + * @param type one of: + json_type_boolean, + json_type_double, + json_type_int, + json_type_object, + json_type_array, + json_type_string, + */ +extern int json_object_is_type(struct json_object *this, enum json_type type); + +/** + * Get the type of the json_object + * @param this the json_object instance + * @returns type being one of: + json_type_boolean, + json_type_double, + json_type_int, + json_type_object, + json_type_array, + json_type_string, + */ +extern enum json_type json_object_get_type(struct json_object *this); + + +/** Stringify object to json format + * @param this the json_object instance + * @returns a string in JSON format + */ +extern char* json_object_to_json_string(struct json_object *this); + + +/* object type methods */ + +/** Create a new empty object + * @returns a json_object of type json_type_object + */ +extern struct json_object* json_object_new_object(); + +/** Get the hashtable of a json_object of type json_type_object + * @param this the json_object instance + * @returns a linkhash + */ +extern struct lh_table* json_object_get_object(struct json_object *this); + +/** Add an object field to a json_object of type json_type_object + * + * The reference count will *not* be incremented. This is to make adding + * fields to objects in code more compact. If you want to retain a reference + * to an added object you must wrap the passed object with json_object_get + * + * @param this the json_object instance + * @param key the object field name (a private copy will be duplicated) + * @param val a json_object or NULL member to associate with the given field + */ +extern void json_object_object_add(struct json_object* this, char *key, + struct json_object *val); + +/** Get the json_object associate with a given object field + * @param this the json_object instance + * @param key the object field name + * @returns the json_object associated with the given field name + */ +extern struct json_object* json_object_object_get(struct json_object* this, + char *key); + +/** Delete the given json_object field + * + * The reference count will be decremented for the deleted object + * + * @param this the json_object instance + * @param key the object field name + */ +extern void json_object_object_del(struct json_object* this, char *key); + +/** Iterate through all keys and values of an object + * @param this the json_object instance + * @param key the local name for the char* key variable defined in the body + * @param val the local name for the json_object* object variable defined in the body + */ +#define json_object_object_foreach(obj,key,val) \ +char *key; struct json_object *val; \ +for(struct lh_entry *entry = json_object_get_object(obj)->head; ({ if(entry) { key = (char*)entry->k; val = (struct json_object*)entry->v; } ; entry; }); entry = entry->next ) + + +/* Array type methods */ + +/** Create a new empty json_object of type json_type_array + * @returns a json_object of type json_type_array + */ +extern struct json_object* json_object_new_array(); + +/** Get the arraylist of a json_object of type json_type_array + * @param this the json_object instance + * @returns an arraylist + */ +extern struct array_list* json_object_get_array(struct json_object *this); + +/** Get the length of a json_object of type json_type_array + * @param this the json_object instance + * @returns an int + */ +extern int json_object_array_length(struct json_object *this); + +/** Add an element to the end of a json_object of type json_type_array + * + * The reference count will *not* be incremented. This is to make adding + * fields to objects in code more compact. If you want to retain a reference + * to an added object you must wrap the passed object with json_object_get + * + * @param this the json_object instance + * @param val the json_object to be added + */ +extern int json_object_array_add(struct json_object *this, + struct json_object *val); + +/** Insert or replace an element at a specified index in an array (a json_object of type json_type_array) + * + * The reference count will *not* be incremented. This is to make adding + * fields to objects in code more compact. If you want to retain a reference + * to an added object you must wrap the passed object with json_object_get + * + * The reference count of a replaced object will be decremented. + * + * The array size will be automatically be expanded to the size of the + * index if the index is larger than the current size. + * + * @param this the json_object instance + * @param idx the index to insert the element at + * @param val the json_object to be added + */ +extern int json_object_array_put_idx(struct json_object *this, int idx, + struct json_object *val); + +/** Get the element at specificed index of the array (a json_object of type json_type_array) + * @param this the json_object instance + * @param idx the index to get the element at + * @returns the json_object at the specified index (or NULL) + */ +extern struct json_object* json_object_array_get_idx(struct json_object *this, + int idx); + +/* boolean type methods */ + +/** Create a new empty json_object of type json_type_boolean + * @param b a boolean TRUE or FALSE (0 or 1) + * @returns a json_object of type json_type_boolean + */ +extern struct json_object* json_object_new_boolean(boolean b); + +/** Get the boolean value of a json_object + * + * The type is coerced to a boolean if the passed object is not a boolean. + * integer and double objects will return FALSE if there value is zero + * or TRUE otherwise. If the passed object is a string it will return + * TRUE if it has a non zero length. If any other object type is passed + * TRUE will be returned if the object is not NULL. + * + * @param this the json_object instance + * @returns a boolean + */ +extern boolean json_object_get_boolean(struct json_object *this); + + +/* int type methods */ + +/** Create a new empty json_object of type json_type_int + * @param i the integer + * @returns a json_object of type json_type_int + */ +extern struct json_object* json_object_new_int(int i); + +/** Get the int value of a json_object + * + * The type is coerced to a int if the passed object is not a int. + * double objects will return their integer conversion. Strings will be + * parsed as an integer. If no conversion exists then 0 is returned. + * + * @param this the json_object instance + * @returns an int + */ +extern int json_object_get_int(struct json_object *this); + + +/* double type methods */ + +/** Create a new empty json_object of type json_type_double + * @param d the double + * @returns a json_object of type json_type_double + */ +extern struct json_object* json_object_new_double(double d); + +/** Get the double value of a json_object + * + * The type is coerced to a double if the passed object is not a double. + * integer objects will return their dboule conversion. Strings will be + * parsed as a double. If no conversion exists then 0.0 is returned. + * + * @param this the json_object instance + * @returns an double + */ +extern double json_object_get_double(struct json_object *this); + + +/* string type methods */ + +/** Create a new empty json_object of type json_type_string + * + * A copy of the string is made and the memory is managed by the json_object + * + * @param s the string + * @returns a json_object of type json_type_string + */ +extern struct json_object* json_object_new_string(char *s); + +extern struct json_object* json_object_new_string_len(char *s, int len); + +/** Get the string value of a json_object + * + * If the passed object is not of type json_type_string then the JSON + * representation of the object is returned. + * + * The returned string memory is managed by the json_object and will + * be freed when the reference count of the json_object drops to zero. + * + * @param this the json_object instance + * @returns a string + */ +extern char* json_object_get_string(struct json_object *this); + +#endif diff --git a/json_object_private.h b/json_object_private.h new file mode 100644 index 0000000..91ce99c --- /dev/null +++ b/json_object_private.h @@ -0,0 +1,25 @@ +#ifndef _json_object_private_h_ +#define _json_object_private_h_ + +typedef void (json_object_delete_fn)(struct json_object *o); +typedef int (json_object_to_json_string_fn)(struct json_object *o, + struct printbuf *pb); + +struct json_object +{ + enum json_type o_type; + json_object_delete_fn *_delete; + json_object_to_json_string_fn *_to_json_string; + int _ref_count; + struct printbuf *_pb; + union data { + boolean c_boolean; + double c_double; + int c_int; + struct lh_table *c_object; + struct array_list *c_array; + char *c_string; + } o; +}; + +#endif diff --git a/json_tokener.c b/json_tokener.c new file mode 100644 index 0000000..bb65381 --- /dev/null +++ b/json_tokener.c @@ -0,0 +1,426 @@ +/* + * $Id: json_tokener.c,v 1.10 2004/07/27 00:42:31 mclark Exp $ + * + * Copyright Metaparadigm Pte. Ltd. 2004. + * Michael Clark <michael@metaparadigm.com> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public (LGPL) + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details: http://www.gnu.org/ + * + */ + +#include <stdio.h> +#include <stdlib.h> +#include <ctype.h> +#include <string.h> + +#include "bits.h" +#include "debug.h" +#include "printbuf.h" +#include "arraylist.h" +#include "json_object.h" +#include "json_tokener.h" + + +static struct json_object* json_tokener_do_parse(struct json_tokener *this); + +struct json_object* json_tokener_parse(char * s) +{ + struct json_tokener tok; + struct json_object* obj; + + tok.source = s; + tok.pos = 0; + tok.pb = printbuf_new(); + obj = json_tokener_do_parse(&tok); + printbuf_free(tok.pb); + return obj; +} + +static struct json_object* json_tokener_do_parse(struct json_tokener *this) +{ + enum json_tokener_state state, saved_state; + enum json_tokener_error err = json_tokener_success; + struct json_object *current = NULL, *obj; + char *obj_field_name = NULL; + char quote_char; + int deemed_double, start_offset; + + state = json_tokener_state_eatws; + saved_state = json_tokener_state_start; + + char c; + do { + c = this->source[this->pos]; + switch(state) { + + case json_tokener_state_eatws: + if(isspace(c)) { + this->pos++; + } else if(c == '/') { + state = json_tokener_state_comment_start; + start_offset = this->pos++; + } else { + state = saved_state; + } + break; + + case json_tokener_state_start: + switch(c) { + case '{': + state = json_tokener_state_eatws; + saved_state = json_tokener_state_object; + current = json_object_new_object(); + this->pos++; + break; + case '[': + state = json_tokener_state_eatws; + saved_state = json_tokener_state_array; + current = json_object_new_array(); + this->pos++; + break; + case 'N': + case 'n': + state = json_tokener_state_null; + start_offset = this->pos++; + break; + case '"': + case '\'': + quote_char = c; + printbuf_reset(this->pb); + state = json_tokener_state_string; + start_offset = ++this->pos; + break; + case 'T': + case 't': + case 'F': + case 'f': + state = json_tokener_state_boolean; + start_offset = this->pos++; + break; + case '0' ... '9': + case '-': + deemed_double = 0; + state = json_tokener_state_number; + start_offset = this->pos++; + break; + default: + err = json_tokener_error_parse_unexpected; + goto out; + } + break; + + case json_tokener_state_finish: + goto out; + + case json_tokener_state_null: + if(strncasecmp("null", this->source + start_offset, + this->pos - start_offset)) + return error_ptr(-json_tokener_error_parse_null); + if(this->pos - start_offset == 4) { + current = NULL; + saved_state = json_tokener_state_finish; + state = json_tokener_state_eatws; + } else { + this->pos++; + } + break; + + case json_tokener_state_comment_start: + if(c == '*') { + state = json_tokener_state_comment; + } else if(c == '/') { + state = json_tokener_state_comment_eol; + } else { + err = json_tokener_error_parse_comment; + goto out; + } + this->pos++; + break; + + case json_tokener_state_comment: + if(c == '*') state = json_tokener_state_comment_end; + this->pos++; + break; + + case json_tokener_state_comment_eol: + if(c == '\n') { + if(mc_get_debug()) { + char *tmp = strndup(this->source + start_offset, + this->pos - start_offset); + mc_debug("json_tokener_comment: %s\n", tmp); + free(tmp); + } + state = json_tokener_state_eatws; + } + this->pos++; + break; + + case json_tokener_state_comment_end: + if(c == '/') { + if(mc_get_debug()) { + char *tmp = strndup(this->source + start_offset, + this->pos - start_offset + 1); + mc_debug("json_tokener_comment: %s\n", tmp); + free(tmp); + } + state = json_tokener_state_eatws; + } else { + state = json_tokener_state_comment; + } + this->pos++; + break; + + case json_tokener_state_string: + if(c == quote_char) { + printbuf_memappend(this->pb, this->source + start_offset, + this->pos - start_offset); + current = json_object_new_string(this->pb->buf); + saved_state = json_tokener_state_finish; + state = json_tokener_state_eatws; + } else if(c == '\\') { + saved_state = json_tokener_state_string; + state = json_tokener_state_string_escape; + } + this->pos++; + break; + + case json_tokener_state_string_escape: + switch(c) { + case '"': + case '\\': + printbuf_memappend(this->pb, this->source + start_offset, + this->pos - start_offset - 1); + start_offset = this->pos++; + state = saved_state; + break; + case 'b': + case 'n': + case 'r': + case 't': + printbuf_memappend(this->pb, this->source + start_offset, + this->pos - start_offset - 1); + if(c == 'b') printbuf_memappend(this->pb, "\b", 1); + else if(c == 'n') printbuf_memappend(this->pb, "\n", 1); + else if(c == 'r') printbuf_memappend(this->pb, "\r", 1); + else if(c == 't') printbuf_memappend(this->pb, "\t", 1); + start_offset = ++this->pos; + state = saved_state; + break; + case 'u': + printbuf_memappend(this->pb, this->source + start_offset, + this->pos - start_offset - 1); + start_offset = ++this->pos; + state = json_tokener_state_escape_unicode; + break; + default: + err = json_tokener_error_parse_string; + goto out; + } + break; + + case json_tokener_state_escape_unicode: + if(strchr(json_hex_chars, c)) { + this->pos++; + if(this->pos - start_offset == 4) { + unsigned char utf_out[3]; + unsigned int ucs_char = + (hexdigit(*(this->source + start_offset)) << 12) + + (hexdigit(*(this->source + start_offset + 1)) << 8) + + (hexdigit(*(this->source + start_offset + 2)) << 4) + + hexdigit(*(this->source + start_offset + 3)); + if (ucs_char < 0x80) { + utf_out[0] = ucs_char; + printbuf_memappend(this->pb, utf_out, 1); + } else if (ucs_char < 0x800) { + utf_out[0] = 0xc0 | (ucs_char >> 6); + utf_out[1] = 0x80 | (ucs_char & 0x3f); + printbuf_memappend(this->pb, utf_out, 2); + } else { + utf_out[0] = 0xe0 | (ucs_char >> 12); + utf_out[1] = 0x80 | ((ucs_char >> 6) & 0x3f); + utf_out[2] = 0x80 | (ucs_char & 0x3f); + printbuf_memappend(this->pb, utf_out, 3); + } + start_offset = this->pos; + state = saved_state; + } + } else { + err = json_tokener_error_parse_string; + goto out; + } + break; + + case json_tokener_state_boolean: + if(strncasecmp("true", this->source + start_offset, + this->pos - start_offset) == 0) { + if(this->pos - start_offset == 4) { + current = json_object_new_boolean(1); + saved_state = json_tokener_state_finish; + state = json_tokener_state_eatws; + } else { + this->pos++; + } + } else if(strncasecmp("false", this->source + start_offset, + this->pos - start_offset) == 0) { + if(this->pos - start_offset == 5) { + current = json_object_new_boolean(0); + saved_state = json_tokener_state_finish; + state = json_tokener_state_eatws; + } else { + this->pos++; + } + } else { + err = json_tokener_error_parse_boolean; + goto out; + } + break; + + case json_tokener_state_number: + if(!c || !strchr(json_number_chars, c)) { + int numi; + double numd; + char *tmp = strndup(this->source + start_offset, + this->pos - start_offset); + if(!deemed_double && sscanf(tmp, "%d", &numi) == 1) { + current = json_object_new_int(numi); + } else if(deemed_double && sscanf(tmp, "%lf", &numd) == 1) { + current = json_object_new_double(numd); + } else { + free(tmp); + err = json_tokener_error_parse_number; + goto out; + } + free(tmp); + saved_state = json_tokener_state_finish; + state = json_tokener_state_eatws; + } else { + if(c == '.' || c == 'e') deemed_double = 1; + this->pos++; + } + break; + + case json_tokener_state_array: + if(c == ']') { + this->pos++; + saved_state = json_tokener_state_finish; + state = json_tokener_state_eatws; + } else { + obj = json_tokener_do_parse(this); + if(is_error(obj)) { + err = (enum json_tokener_error)obj; + goto out; + } + json_object_array_add(current, obj); + saved_state = json_tokener_state_array_sep; + state = json_tokener_state_eatws; + } + break; + + case json_tokener_state_array_sep: + if(c == ']') { + this->pos++; + saved_state = json_tokener_state_finish; + state = json_tokener_state_eatws; + } else if(c == ',') { + this->pos++; + saved_state = json_tokener_state_array; + state = json_tokener_state_eatws; + } else { + json_object_put(current); + return error_ptr(-json_tokener_error_parse_array); + } + break; + + case json_tokener_state_object: + state = json_tokener_state_object_field_start; + start_offset = this->pos; + break; + + case json_tokener_state_object_field_start: + if(c == '}') { + this->pos++; + saved_state = json_tokener_state_finish; + state = json_tokener_state_eatws; + } else if (c == '"' || c == '\'') { + quote_char = c; + printbuf_reset(this->pb); + state = json_tokener_state_object_field; + start_offset = ++this->pos; + } + break; + + case json_tokener_state_object_field: + if(c == quote_char) { + printbuf_memappend(this->pb, this->source + start_offset, + this->pos - start_offset); + obj_field_name = strdup(this->pb->buf); + saved_state = json_tokener_state_object_field_end; + state = json_tokener_state_eatws; + } else if(c == '\\') { + saved_state = json_tokener_state_object_field; + state = json_tokener_state_string_escape; + } + this->pos++; + break; + + case json_tokener_state_object_field_end: + if(c == ':') { + this->pos++; + saved_state = json_tokener_state_object_value; + state = json_tokener_state_eatws; + } else { + return error_ptr(-json_tokener_error_parse_object); + } + break; + + case json_tokener_state_object_value: + obj = json_tokener_do_parse(this); + if(is_error(obj)) { + err = (enum json_tokener_error)obj; + goto out; + } + json_object_object_add(current, obj_field_name, obj); + free(obj_field_name); + obj_field_name = NULL; + saved_state = json_tokener_state_object_sep; + state = json_tokener_state_eatws; + break; + + case json_tokener_state_object_sep: + if(c == '}') { + this->pos++; + saved_state = json_tokener_state_finish; + state = json_tokener_state_eatws; + } else if(c == ',') { + this->pos++; + saved_state = json_tokener_state_object; + state = json_tokener_state_eatws; + } else { + err = json_tokener_error_parse_object; + goto out; + } + break; + + } + } while(c); + + if(state != json_tokener_state_finish && + saved_state != json_tokener_state_finish) + err = json_tokener_error_parse_eof; + + out: + free(obj_field_name); + if(err == json_tokener_success) return current; + mc_debug("json_tokener_do_parse: error=%d state=%d char=%c\n", + err, state, c); + json_object_put(current); + return error_ptr(-err); +} diff --git a/json_tokener.h b/json_tokener.h new file mode 100644 index 0000000..c39577d --- /dev/null +++ b/json_tokener.h @@ -0,0 +1,70 @@ +/* + * $Id: json_tokener.h,v 1.5 2004/07/22 01:20:05 mclark Exp $ + * + * Copyright Metaparadigm Pte. Ltd. 2004. + * Michael Clark <michael@metaparadigm.com> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public (LGPL) + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details: http://www.gnu.org/ + * + */ + +#ifndef _json_tokener_h_ +#define _json_tokener_h_ + +#include "json_object.h" + +enum json_tokener_error { + json_tokener_success, + json_tokener_error_parse_unexpected, + json_tokener_error_parse_null, + json_tokener_error_parse_boolean, + json_tokener_error_parse_number, + json_tokener_error_parse_array, + json_tokener_error_parse_object, + json_tokener_error_parse_string, + json_tokener_error_parse_comment, + json_tokener_error_parse_eof, +}; + +enum json_tokener_state { + json_tokener_state_eatws, + json_tokener_state_start, + json_tokener_state_finish, + json_tokener_state_null, + json_tokener_state_comment_start, + json_tokener_state_comment, + json_tokener_state_comment_eol, + json_tokener_state_comment_end, + json_tokener_state_string, + json_tokener_state_string_escape, + json_tokener_state_escape_unicode, + json_tokener_state_boolean, + json_tokener_state_number, + json_tokener_state_array, + json_tokener_state_array_sep, + json_tokener_state_object, + json_tokener_state_object_field_start, + json_tokener_state_object_field, + json_tokener_state_object_field_end, + json_tokener_state_object_value, + json_tokener_state_object_sep, +}; + +struct json_tokener +{ + char *source; + int pos; + struct printbuf *pb; +}; + +extern struct json_object* json_tokener_parse(char *s); + +#endif diff --git a/json_util.c b/json_util.c new file mode 100644 index 0000000..483644e --- /dev/null +++ b/json_util.c @@ -0,0 +1,79 @@ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <errno.h> +#include <unistd.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> + +#include "bits.h" +#include "debug.h" +#include "printbuf.h" +#include "json_object.h" +#include "json_tokener.h" +#include "json_util.h" + + +struct json_object* json_object_from_file(char *filename) +{ + struct printbuf *pb; + struct json_object *obj; + char buf[JSON_FILE_BUF_SIZE]; + int fd, ret; + + if((fd = open(filename, O_RDONLY)) < 0) { + mc_error("json_object_from_file: error reading file %s: %s\n", + filename, strerror(errno)); + return error_ptr(-1); + } + if(!(pb = printbuf_new())) { + mc_error("json_object_from_file: printbuf_new failed\n"); + return error_ptr(-1); + } + while((ret = read(fd, buf, JSON_FILE_BUF_SIZE)) > 0) { + printbuf_memappend(pb, buf, ret); + } + close(fd); + if(ret < 0) { + mc_abort("json_object_from_file: error reading file %s: %s\n", + filename, strerror(errno)); + printbuf_free(pb); + return error_ptr(-1); + } + obj = json_tokener_parse(pb->buf); + printbuf_free(pb); + return obj; +} + +int json_object_to_file(char *filename, struct json_object *obj) +{ + char *json_str; + int fd, ret, wpos, wsize; + + if(!obj) { + mc_error("json_object_to_file: object is null\n"); + return -1; + } + + if((fd = open(filename, O_WRONLY | O_TRUNC | O_CREAT, 0644)) < 0) { + mc_error("json_object_to_file: error opening file %s: %s\n", + filename, strerror(errno)); + return -1; + } + if(!(json_str = json_object_to_json_string(obj))) return -1; + wsize = strlen(json_str); + wpos = 0; + while(wpos < wsize) { + if((ret = write(fd, json_str + wpos, wsize-wpos)) < 0) { + close(fd); + mc_error("json_object_to_file: error writing file %s: %s\n", + filename, strerror(errno)); + return -1; + } + wpos += ret; + } + + close(fd); + return 0; +} diff --git a/json_util.h b/json_util.h new file mode 100644 index 0000000..32a0428 --- /dev/null +++ b/json_util.h @@ -0,0 +1,13 @@ +#ifndef _json_util_h_ +#define _json_util_h_ + +#include "json_object.h" + + +#define JSON_FILE_BUF_SIZE 4096 + +/* utlitiy functions */ +extern struct json_object* json_object_from_file(char *filename); +extern int json_object_to_file(char *filename, struct json_object *obj); + +#endif diff --git a/linkhash.c b/linkhash.c new file mode 100644 index 0000000..b67eee7 --- /dev/null +++ b/linkhash.c @@ -0,0 +1,225 @@ +/* + * $Id: linkhash.c,v 1.2 2004/07/21 01:24:33 mclark Exp $ + * + * Copyright Metaparadigm Pte. Ltd. 2004. + * Michael Clark <michael@metaparadigm.com> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public (LGPL) + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details: http://www.gnu.org/ + * + */ + +#include <stdio.h> +#include <string.h> +#include <stdlib.h> +#include <stdarg.h> + +#include "linkhash.h" + + +void lh_abort(const char *msg, ...) +{ + va_list ap; + va_start(ap, msg); + vprintf(msg, ap); + exit(1); +} + + +unsigned long lh_ptr_hash(void *k) +{ + return ((long)k * LH_PRIME) >> 4; +} + + +int lh_ptr_equal(void *k1, void *k2) +{ + return (k1 == k2); +} + + +unsigned long lh_char_hash(void *k) +{ + unsigned int h = 0; + const char* data = k; + + while( *data!=0 ) h = h*129 + (unsigned int)(*data++) + LH_PRIME; + + return h; +} + + +int lh_char_equal(void *k1, void *k2) +{ + return (strcmp((char*)k1, (char*)k2) == 0); +} + + +struct lh_table* lh_table_new(int size, char *name, + lh_entry_free_fn *free_fn, + lh_hash_fn *hash_fn, + lh_equal_fn *equal_fn) +{ + int i; + struct lh_table *t; + + t = calloc(1, sizeof(struct lh_table)); + if(!t) lh_abort("lh_table_new: calloc failed\n"); + t->count = 0; + t->size = size; + t->name = name; + t->table = calloc(size, sizeof(struct lh_entry)); + if(!t->table) lh_abort("lh_table_new: calloc failed\n"); + t->free_fn = free_fn; + t->hash_fn = hash_fn; + t->equal_fn = equal_fn; + for(i = 0; i < size; i++) t->table[i].k = LH_EMPTY; + return t; +} + + +struct lh_table* lh_kchar_table_new(int size, char *name, + lh_entry_free_fn *free_fn) +{ + return lh_table_new(size, name, free_fn, lh_char_hash, lh_char_equal); +} + + +struct lh_table* lh_kptr_table_new(int size, char *name, + lh_entry_free_fn *free_fn) +{ + return lh_table_new(size, name, free_fn, lh_ptr_hash, lh_ptr_equal); +} + + +void lh_table_resize(struct lh_table *t, int new_size) +{ + struct lh_table *new_t; + struct lh_entry *ent; + + new_t = lh_table_new(new_size, t->name, NULL, t->hash_fn, t->equal_fn); + ent = t->head; + while(ent) { + lh_table_insert(new_t, ent->k, ent->v); + ent = ent->next; + } + free(t->table); + t->table = new_t->table; + t->size = new_size; + t->head = new_t->head; + t->tail = new_t->tail; + t->resizes++; + free(new_t); +} + + +void lh_table_free(struct lh_table *t) +{ + struct lh_entry *c; + for(c = t->head; c != NULL; c = c->next) { + if(t->free_fn) { + t->free_fn(c); + } + } + free(t->table); + free(t); +} + + +int lh_table_insert(struct lh_table *t, void *k, void *v) +{ + unsigned long h, n; + + t->inserts++; + if(t->count > t->size * 0.66) lh_table_resize(t, t->size * 2); + + h = t->hash_fn(k); + n = h % t->size; + + while( 1 ) { + if(t->table[n].k == LH_EMPTY || t->table[n].k == LH_FREED) break; + t->collisions++; + if(++n == t->size) n = 0; + } + + t->table[n].k = k; + t->table[n].v = v; + t->count++; + + if(t->head == NULL) { + t->head = t->tail = &t->table[n]; + t->table[n].next = t->table[n].prev = NULL; + } else { + t->tail->next = &t->table[n]; + t->table[n].prev = t->tail; + t->table[n].next = NULL; + t->tail = &t->table[n]; + } + + return 0; +} + + +struct lh_entry* lh_table_lookup_entry(struct lh_table *t, void *k) +{ + unsigned long h = t->hash_fn(k); + unsigned long n = h % t->size; + + t->lookups++; + while( 1 ) { + if(t->table[n].k == LH_EMPTY) return NULL; + if(t->table[n].k != LH_FREED && + t->equal_fn(t->table[n].k, k)) return &t->table[n]; + if(++n == t->size) n = 0; + } + return NULL; +} + + +void* lh_table_lookup(struct lh_table *t, void *k) +{ + struct lh_entry *e = lh_table_lookup_entry(t, k); + if(e) return e->v; + return NULL; +} + + +int lh_table_delete_entry(struct lh_table *t, struct lh_entry *e) +{ + int n = e - t->table; + if(t->table[n].k == LH_EMPTY || t->table[n].k == LH_FREED) return -1; + t->count--; + if(t->free_fn) t->free_fn(e); + t->table[n].v = NULL; + t->table[n].k = LH_FREED; + if(t->tail == &t->table[n] && t->head == &t->table[n]) { + t->head = t->tail = NULL; + } else if (t->head == &t->table[n]) { + t->head->next->prev = NULL; + t->head = t->head->next; + } else if (t->tail == &t->table[n]) { + t->tail->prev->next = NULL; + t->tail = t->tail->prev; + } else { + t->table[n].prev->next = t->table[n].next; + t->table[n].next->prev = t->table[n].prev; + } + t->table[n].next = t->table[n].prev = NULL; + return 0; +} + + +int lh_table_delete(struct lh_table *t, void *k) +{ + struct lh_entry *e = lh_table_lookup_entry(t, k); + if(!e) return -1; + return lh_table_delete_entry(t, e); +} + diff --git a/linkhash.h b/linkhash.h new file mode 100644 index 0000000..c61e419 --- /dev/null +++ b/linkhash.h @@ -0,0 +1,270 @@ +/* + * $Id: linkhash.h,v 1.3 2004/08/07 03:29:47 mclark Exp $ + * + * Copyright Metaparadigm Pte. Ltd. 2004. + * Michael Clark <michael@metaparadigm.com> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public (LGPL) + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details: http://www.gnu.org/ + * + */ + +#ifndef _linkhash_h_ +#define _linkhash_h_ + +/** + * golden prime used in hash functions + */ +#define LH_PRIME 0x9e370001UL + +/** + * sentinel pointer value for empty slots + */ +#define LH_EMPTY (void*)-1 + +/** + * sentinel pointer value for freed slots + */ +#define LH_FREED (void*)-2 + + +struct lh_entry; + + +/** + * callback function prototypes + */ +typedef void (lh_entry_free_fn) (struct lh_entry *e); +/** + * callback function prototypes + */ +typedef unsigned long (lh_hash_fn) (void *k); +/** + * callback function prototypes + */ +typedef int (lh_equal_fn) (void *k1, void *k2); + +/** + * An entry in the hash table + */ +struct lh_entry { + /** + * The key. + */ + void *k; + /** + * The value. + */ + void *v; + /** + * The next entry + */ + struct lh_entry *next; + /** + * The previous entry. + */ + struct lh_entry *prev; +}; + + +/** + * The hash table structure. + */ +struct lh_table { + /** + * Size of our hash. + */ + int size; + /** + * Numbers of entries. + */ + int count; + + /** + * Number of collisions. + */ + int collisions; + + /** + * Number of resizes. + */ + int resizes; + + /** + * Number of lookups. + */ + int lookups; + + /** + * Number of inserts. + */ + int inserts; + + /** + * Number of deletes. + */ + int deletes; + + /** + * Name of the hash table. + */ + char *name; + + /** + * The first entry. + */ + struct lh_entry *head; + + /** + * The last entry. + */ + struct lh_entry *tail; + + struct lh_entry *table; + + /** + * A pointer onto the function responsible for freeing an entry. + */ + lh_entry_free_fn *free_fn; + lh_hash_fn *hash_fn; + lh_equal_fn *equal_fn; +}; + + +/** + * Pre-defined hash and equality functions + */ +extern unsigned long lh_ptr_hash(void *k); +extern int lh_ptr_equal(void *k1, void *k2); + +extern unsigned long lh_char_hash(void *k); +extern int lh_char_equal(void *k1, void *k2); + + +/** + * Convenience list iterator. + */ +#define lh_foreach(table, entry) \ +for(entry = table->head; entry; entry = entry->next) + +/** + * lh_foreach_safe allows calling of deletion routine while iterating. + */ +#define lh_foreach_safe(table, entry, tmp) \ +for(entry = table->head; entry && ((tmp = entry->next) || 1); entry = tmp) + + + +/** + * Create a new linkhash table. + * @param size initial table size. The table is automatically resized + * although this incurs a performance penalty. + * @param name the table name. + * @param free_fn callback function used to free memory for entries + * when lh_table_free or lh_table_delete is called. + * If NULL is provided, then memory for keys and values + * must be freed by the caller. + * @param hash_fn function used to hash keys. 2 standard ones are defined: + * lh_ptr_hash and lh_char_hash for hashing pointer values + * and C strings respectively. + * @param equal_fn comparison function to compare keys. 2 standard ones defined: + * lh_ptr_hash and lh_char_hash for comparing pointer values + * and C strings respectively. + * @return a pointer onto the linkhash table. + */ +extern struct lh_table* lh_table_new(int size, char *name, + lh_entry_free_fn *free_fn, + lh_hash_fn *hash_fn, + lh_equal_fn *equal_fn); + +/** + * Convenience function to create a new linkhash + * table with char keys. + * @param size initial table size. + * @param name table name. + * @param free_fn callback function used to free memory for entries. + * @return a pointer onto the linkhash table. + */ +extern struct lh_table* lh_kchar_table_new(int size, char *name, + lh_entry_free_fn *free_fn); + + +/** + * Convenience function to create a new linkhash + * table with ptr keys. + * @param size initial table size. + * @param name table name. + * @param free_fn callback function used to free memory for entries. + * @return a pointer onto the linkhash table. + */ +extern struct lh_table* lh_kptr_table_new(int size, char *name, + lh_entry_free_fn *free_fn); + + +/** + * Free a linkhash table. + * If a callback free function is provided then it is called for all + * entries in the table. + * @param t table to free. + */ +extern void lh_table_free(struct lh_table *t); + + +/** + * Insert a record into the table. + * @param t the table to insert into. + * @param k a pointer to the key to insert. + * @param v a pointer to the value to insert. + */ +extern int lh_table_insert(struct lh_table *t, void *k, void *v); + + +/** + * Lookup a record into the table. + * @param t the table to lookup + * @param k a pointer to the key to lookup + * @return a pointer to the record structure of the value or NULL if it does not exist. + */ +extern struct lh_entry* lh_table_lookup_entry(struct lh_table *t, void *k); + +/** + * Lookup a record into the table + * @param t the table to lookup + * @param k a pointer to the key to lookup + * @return a pointer to the found value or NULL if it does not exist. + */ +extern void* lh_table_lookup(struct lh_table *t, void *k); + + +/** + * Delete a record from the table. + * If a callback free function is provided then it is called for the + * for the item being deleted. + * @param t the table to delete from. + * @param e a pointer to the entry to delete. + * @return 0 if the item was deleted. + * @return -1 if it was not found. + */ +extern int lh_table_delete_entry(struct lh_table *t, struct lh_entry *e); + + +/** + * Delete a record from the table. + * If a callback free function is provided then it is called for the + * for the item being deleted. + * @param t the table to delete from. + * @param k a pointer to the key to delete. + * @return 0 if the item was deleted. + * @return -1 if it was not found. + */ +extern int lh_table_delete(struct lh_table *t, void *k); + + +#endif diff --git a/printbuf.c b/printbuf.c new file mode 100644 index 0000000..76c04e4 --- /dev/null +++ b/printbuf.c @@ -0,0 +1,106 @@ +/* + * $Id: printbuf.c,v 1.3 2004/08/07 03:12:21 mclark Exp $ + * + * Copyright Metaparadigm Pte. Ltd. 2004. + * Michael Clark <michael@metaparadigm.com> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public (LGPL) + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details: http://www.gnu.org/ + * + */ + +#include <stdio.h> +#include <stdlib.h> +#include <stdarg.h> +#include <string.h> + +#include "bits.h" +#include "debug.h" +#include "printbuf.h" + + +struct printbuf* printbuf_new() +{ + struct printbuf *p; + + if(!(p = calloc(1, sizeof(struct printbuf)))) return NULL; + p->size = 32; + p->bpos = 0; + if(!(p->buf = malloc(p->size))) { + free(p); + return NULL; + } + return p; +} + + +int printbuf_memappend(struct printbuf *p, char *buf, int size) +{ + char *t; + if(p->size - p->bpos <= size) { + int new_size = max(p->size * 2, p->bpos + size + 8); +#if 0 + mc_debug("printbuf_memappend: realloc " + "bpos=%d wrsize=%d old_size=%d new_size=%d\n", + p->bpos, size, p->size, new_size); +#endif + if(!(t = realloc(p->buf, new_size))) return -1; + p->size = new_size; + p->buf = t; + } + memcpy(p->buf + p->bpos, buf, size); + p->bpos += size; + p->buf[p->bpos]= '\0'; + return size; +} + + +int sprintbuf(struct printbuf *p, const char *msg, ...) +{ + va_list ap; + char *t; + int size; + char buf[128]; + + /* user stack buffer first */ + va_start(ap, msg); + size = vsnprintf(buf, 128, msg, ap); + va_end(ap); + /* if string is greater than stack buffer, then use dynamic string + with vasprintf. Note: some implementation of vsnprintf return -1 + if output is truncated whereas some return the number of bytes that + would have been writeen - this code handles both cases. */ + if(size == -1 || size > 127) { + int ret; + va_start(ap, msg); + if((size = vasprintf(&t, msg, ap)) == -1) return -1; + va_end(ap); + ret = printbuf_memappend(p, t, size); + free(t); + return ret; + } else { + return printbuf_memappend(p, buf, size); + } +} + + +void printbuf_reset(struct printbuf *p) +{ + p->buf[0] = '\0'; + p->bpos = 0; +} + +void printbuf_free(struct printbuf *p) +{ + if(p) { + free(p->buf); + free(p); + } +} diff --git a/printbuf.h b/printbuf.h new file mode 100644 index 0000000..6a9568f --- /dev/null +++ b/printbuf.h @@ -0,0 +1,43 @@ +/* + * $Id: printbuf.h,v 1.2 2004/07/21 01:24:33 mclark Exp $ + * + * Copyright Metaparadigm Pte. Ltd. 2004. + * Michael Clark <michael@metaparadigm.com> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public (LGPL) + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details: http://www.gnu.org/ + * + */ + +#ifndef _printbuf_h_ +#define _printbuf_h_ + +struct printbuf { + char *buf; + int bpos; + int size; +}; + +extern struct printbuf* +printbuf_new(); + +extern int +printbuf_memappend(struct printbuf *p, char *buf, int size); + +extern int +sprintbuf(struct printbuf *p, const char *msg, ...); + +extern void +printbuf_reset(struct printbuf *p); + +extern void +printbuf_free(struct printbuf *p); + +#endif @@ -0,0 +1,134 @@ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "json.h" + + +int main(int argc, char **argv) +{ + struct json_object *my_string, *my_int, *my_object, *my_array; + struct json_object *new_obj; + + my_string = json_object_new_string("\t"); + printf("my_string=%s\n", json_object_get_string(my_string)); + printf("my_string.to_string()=%s\n", json_object_to_json_string(my_string)); + json_object_put(my_string); + + my_string = json_object_new_string("foo"); + printf("my_string=%s\n", json_object_get_string(my_string)); + printf("my_string.to_string()=%s\n", json_object_to_json_string(my_string)); + + my_int = json_object_new_int(9); + printf("my_int=%d\n", json_object_get_int(my_int)); + printf("my_int.to_string()=%s\n", json_object_to_json_string(my_int)); + + my_array = json_object_new_array(); + json_object_array_add(my_array, json_object_new_int(1)); + json_object_array_add(my_array, json_object_new_int(2)); + json_object_array_add(my_array, json_object_new_int(3)); + json_object_array_put_idx(my_array, 4, json_object_new_int(5)); + printf("my_array=\n"); + for(int i=0; i < json_object_array_length(my_array); i++) { + struct json_object *obj = json_object_array_get_idx(my_array, i); + printf("\t[%d]=%s\n", i, json_object_to_json_string(obj)); + } + printf("my_array.to_string()=%s\n", json_object_to_json_string(my_array)); + + my_object = json_object_new_object(); + json_object_object_add(my_object, "abc", json_object_new_int(12)); + json_object_object_add(my_object, "foo", json_object_new_string("bar")); + json_object_object_add(my_object, "bool0", json_object_new_boolean(0)); + json_object_object_add(my_object, "bool1", json_object_new_boolean(1)); + json_object_object_add(my_object, "baz", json_object_new_string("bang")); + json_object_object_add(my_object, "baz", json_object_new_string("fark")); + json_object_object_del(my_object, "baz"); + json_object_object_add(my_object, "arr", my_array); + printf("my_object=\n"); + json_object_object_foreach(my_object, key, val) { + printf("\t%s: %s\n", key, json_object_to_json_string(val)); + } + printf("my_object.to_string()=%s\n", json_object_to_json_string(my_object)); + + new_obj = json_tokener_parse("\"\003\""); + printf("new_obj.to_string()=%s\n", json_object_to_json_string(new_obj)); + json_object_put(new_obj); + + new_obj = json_tokener_parse("/* hello */\"foo\""); + printf("new_obj.to_string()=%s\n", json_object_to_json_string(new_obj)); + json_object_put(new_obj); + + new_obj = json_tokener_parse("// hello\n\"foo\""); + printf("new_obj.to_string()=%s\n", json_object_to_json_string(new_obj)); + json_object_put(new_obj); + + new_obj = json_tokener_parse("\"\\u0041\\u0042\\u0043\""); + printf("new_obj.to_string()=%s\n", json_object_to_json_string(new_obj)); + json_object_put(new_obj); + + new_obj = json_tokener_parse("null"); + printf("new_obj.to_string()=%s\n", json_object_to_json_string(new_obj)); + json_object_put(new_obj); + + new_obj = json_tokener_parse("True"); + printf("new_obj.to_string()=%s\n", json_object_to_json_string(new_obj)); + json_object_put(new_obj); + + new_obj = json_tokener_parse("12"); + printf("new_obj.to_string()=%s\n", json_object_to_json_string(new_obj)); + json_object_put(new_obj); + + new_obj = json_tokener_parse("12.3"); + printf("new_obj.to_string()=%s\n", json_object_to_json_string(new_obj)); + json_object_put(new_obj); + + new_obj = json_tokener_parse("[\"\\n\"]"); + printf("new_obj.to_string()=%s\n", json_object_to_json_string(new_obj)); + json_object_put(new_obj); + + new_obj = json_tokener_parse("[\"\\nabc\\n\"]"); + printf("new_obj.to_string()=%s\n", json_object_to_json_string(new_obj)); + json_object_put(new_obj); + + new_obj = json_tokener_parse("[null]"); + printf("new_obj.to_string()=%s\n", json_object_to_json_string(new_obj)); + json_object_put(new_obj); + + new_obj = json_tokener_parse("[]"); + printf("new_obj.to_string()=%s\n", json_object_to_json_string(new_obj)); + json_object_put(new_obj); + + new_obj = json_tokener_parse("[\"abc\",null,\"def\",12]"); + printf("new_obj.to_string()=%s\n", json_object_to_json_string(new_obj)); + json_object_put(new_obj); + + new_obj = json_tokener_parse("{}"); + printf("new_obj.to_string()=%s\n", json_object_to_json_string(new_obj)); + json_object_put(new_obj); + + new_obj = json_tokener_parse("{ \"foo\": \"bar\" }"); + printf("new_obj.to_string()=%s\n", json_object_to_json_string(new_obj)); + json_object_put(new_obj); + + new_obj = json_tokener_parse("{ \"foo\": \"bar\", \"baz\": null, \"bool0\": true }"); + printf("new_obj.to_string()=%s\n", json_object_to_json_string(new_obj)); + json_object_put(new_obj); + + new_obj = json_tokener_parse("{ \"foo\": [null, \"foo\"] }"); + printf("new_obj.to_string()=%s\n", json_object_to_json_string(new_obj)); + json_object_put(new_obj); + + new_obj = json_tokener_parse("{ \"abc\": 12, \"foo\": \"bar\", \"bool0\": false, \"bool1\": true, \"arr\": [ 1, 2, 3, null, 5 ] }"); + printf("new_obj.to_string()=%s\n", json_object_to_json_string(new_obj)); + json_object_put(new_obj); + + new_obj = json_tokener_parse("foo"); + if(is_error(new_obj)) printf("got error as expected\n"); + + json_object_put(my_string); + json_object_put(my_int); + json_object_put(my_object); + //json_object_put(my_array); + + return 0; +} @@ -0,0 +1,19 @@ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "json.h" + + +int main(int argc, char **argv) +{ + struct json_object *new_obj; + + mc_set_debug(1); + + new_obj = json_tokener_parse("/* more difficult test case */ { \"glossary\": { \"title\": \"example glossary\", \"GlossDiv\": { \"title\": \"S\", \"GlossList\": [ { \"ID\": \"SGML\", \"SortAs\": \"SGML\", \"GlossTerm\": \"Standard Generalized Markup Language\", \"Acronym\": \"SGML\", \"Abbrev\": \"ISO 8879:1986\", \"GlossDef\": \"A meta-markup language, used to create markup languages such as DocBook.\", \"GlossSeeAlso\": [\"GML\", \"XML\", \"markup\"] } ] } } }"); + printf("new_obj.to_string()=%s\n", json_object_to_json_string(new_obj)); + json_object_put(new_obj); + + return 0; +} |