/* * debugXML.c : This is a set of routines used for debugging the tree * produced by the XML parser. * * See Copyright for the status of this software. * * Daniel Veillard */ #define IN_LIBXML #include "libxml.h" #ifdef LIBXML_DEBUG_ENABLED #include #ifdef HAVE_STDLIB_H #include #endif #ifdef HAVE_STRING_H #include #endif #include #include #include #include #include #include #include #include #include #include #include /** * xmlDebugDumpString: * @output: the FILE * for the output * @str: the string * * Dumps informations about the string, shorten it if necessary */ void xmlDebugDumpString(FILE * output, const xmlChar * str) { int i; if (output == NULL) output = stdout; if (str == NULL) { fprintf(output, "(NULL)"); return; } for (i = 0; i < 40; i++) if (str[i] == 0) return; else if (IS_BLANK(str[i])) fputc(' ', output); else if (str[i] >= 0x80) fprintf(output, "#%X", str[i]); else fputc(str[i], output); fprintf(output, "..."); } static void xmlDebugDumpDtdNode(FILE *output, xmlDtdPtr dtd, int depth) { int i; char shift[100]; for (i = 0;((i < depth) && (i < 25));i++) shift[2 * i] = shift[2 * i + 1] = ' '; shift[2 * i] = shift[2 * i + 1] = 0; fprintf(output, shift); if (dtd == NULL) { fprintf(output, "DTD node is NULL\n"); return; } if (dtd->type != XML_DTD_NODE) { fprintf(output, "PBM: not a DTD\n"); return; } if (dtd->name != NULL) fprintf(output, "DTD(%s)", dtd->name); else fprintf(output, "DTD"); if (dtd->ExternalID != NULL) fprintf(output, ", PUBLIC %s", dtd->ExternalID); if (dtd->SystemID != NULL) fprintf(output, ", SYSTEM %s", dtd->SystemID); fprintf(output, "\n"); /* * Do a bit of checking */ if (dtd->parent == NULL) fprintf(output, "PBM: DTD has no parent\n"); if (dtd->doc == NULL) fprintf(output, "PBM: DTD has no doc\n"); if ((dtd->parent != NULL) && (dtd->doc != dtd->parent->doc)) fprintf(output, "PBM: DTD doc differs from parent's one\n"); if (dtd->prev == NULL) { if ((dtd->parent != NULL) && (dtd->parent->children != (xmlNodePtr)dtd)) fprintf(output, "PBM: DTD has no prev and not first of list\n"); } else { if (dtd->prev->next != (xmlNodePtr) dtd) fprintf(output, "PBM: DTD prev->next : back link wrong\n"); } if (dtd->next == NULL) { if ((dtd->parent != NULL) && (dtd->parent->last != (xmlNodePtr) dtd)) fprintf(output, "PBM: DTD has no next and not last of list\n"); } else { if (dtd->next->prev != (xmlNodePtr) dtd) fprintf(output, "PBM: DTD next->prev : forward link wrong\n"); } } static void xmlDebugDumpAttrDecl(FILE *output, xmlAttributePtr attr, int depth) { int i; char shift[100]; for (i = 0;((i < depth) && (i < 25));i++) shift[2 * i] = shift[2 * i + 1] = ' '; shift[2 * i] = shift[2 * i + 1] = 0; fprintf(output, shift); if (attr == NULL) { fprintf(output, "Attribute declaration is NULL\n"); return; } if (attr->type != XML_ATTRIBUTE_DECL) { fprintf(output, "PBM: not a Attr\n"); return; } if (attr->name != NULL) fprintf(output, "ATTRDECL(%s)", attr->name); else fprintf(output, "PBM ATTRDECL noname!!!"); if (attr->elem != NULL) fprintf(output, " for %s", attr->elem); else fprintf(output, " PBM noelem!!!"); switch (attr->atype) { case XML_ATTRIBUTE_CDATA: fprintf(output, " CDATA"); break; case XML_ATTRIBUTE_ID: fprintf(output, " ID"); break; case XML_ATTRIBUTE_IDREF: fprintf(output, " IDREF"); break; case XML_ATTRIBUTE_IDREFS: fprintf(output, " IDREFS"); break; case XML_ATTRIBUTE_ENTITY: fprintf(output, " ENTITY"); break; case XML_ATTRIBUTE_ENTITIES: fprintf(output, " ENTITIES"); break; case XML_ATTRIBUTE_NMTOKEN: fprintf(output, " NMTOKEN"); break; case XML_ATTRIBUTE_NMTOKENS: fprintf(output, " NMTOKENS"); break; case XML_ATTRIBUTE_ENUMERATION: fprintf(output, " ENUMERATION"); break; case XML_ATTRIBUTE_NOTATION: fprintf(output, " NOTATION "); break; } if (attr->tree != NULL) { int indx; xmlEnumerationPtr cur = attr->tree; for (indx = 0;indx < 5; indx++) { if (indx != 0) fprintf(output, "|%s", cur->name); else fprintf(output, " (%s", cur->name); cur = cur->next; if (cur == NULL) break; } if (cur == NULL) fprintf(output, ")"); else fprintf(output, "...)"); } switch (attr->def) { case XML_ATTRIBUTE_NONE: break; case XML_ATTRIBUTE_REQUIRED: fprintf(output, " REQUIRED"); break; case XML_ATTRIBUTE_IMPLIED: fprintf(output, " IMPLIED"); break; case XML_ATTRIBUTE_FIXED: fprintf(output, " FIXED"); break; } if (attr->defaultValue != NULL) { fprintf(output, "\""); xmlDebugDumpString(output, attr->defaultValue); fprintf(output, "\""); } fprintf(output, "\n"); /* * Do a bit of checking */ if (attr->parent == NULL) fprintf(output, "PBM: Attr has no parent\n"); if (attr->doc == NULL) fprintf(output, "PBM: Attr has no doc\n"); if ((attr->parent != NULL) && (attr->doc != attr->parent->doc)) fprintf(output, "PBM: Attr doc differs from parent's one\n"); if (attr->prev == NULL) { if ((attr->parent != NULL) && (attr->parent->children != (xmlNodePtr)attr)) fprintf(output, "PBM: Attr has no prev and not first of list\n"); } else { if (attr->prev->next != (xmlNodePtr) attr) fprintf(output, "PBM: Attr prev->next : back link wrong\n"); } if (attr->next == NULL) { if ((attr->parent != NULL) && (attr->parent->last != (xmlNodePtr) attr)) fprintf(output, "PBM: Attr has no next and not last of list\n"); } else { if (attr->next->prev != (xmlNodePtr) attr) fprintf(output, "PBM: Attr next->prev : forward link wrong\n"); } } static void xmlDebugDumpElemDecl(FILE *output, xmlElementPtr elem, int depth) { int i; char shift[100]; for (i = 0;((i < depth) && (i < 25));i++) shift[2 * i] = shift[2 * i + 1] = ' '; shift[2 * i] = shift[2 * i + 1] = 0; fprintf(output, shift); if (elem == NULL) { fprintf(output, "Element declaration is NULL\n"); return; } if (elem->type != XML_ELEMENT_DECL) { fprintf(output, "PBM: not a Elem\n"); return; } if (elem->name != NULL) { fprintf(output, "ELEMDECL("); xmlDebugDumpString(output, elem->name); fprintf(output, ")"); } else fprintf(output, "PBM ELEMDECL noname!!!"); switch (elem->etype) { case XML_ELEMENT_TYPE_UNDEFINED: fprintf(output, ", UNDEFINED"); break; case XML_ELEMENT_TYPE_EMPTY: fprintf(output, ", EMPTY"); break; case XML_ELEMENT_TYPE_ANY: fprintf(output, ", ANY"); break; case XML_ELEMENT_TYPE_MIXED: fprintf(output, ", MIXED "); break; case XML_ELEMENT_TYPE_ELEMENT: fprintf(output, ", MIXED "); break; } if ((elem->type != XML_ELEMENT_NODE) && (elem->content != NULL)) { char buf[5001]; buf[0] = 0; xmlSnprintfElementContent(buf, 5000, elem->content, 1); buf[5000] = 0; fprintf(output, "%s", buf); } fprintf(output, "\n"); /* * Do a bit of checking */ if (elem->parent == NULL) fprintf(output, "PBM: Elem has no parent\n"); if (elem->doc == NULL) fprintf(output, "PBM: Elem has no doc\n"); if ((elem->parent != NULL) && (elem->doc != elem->parent->doc)) fprintf(output, "PBM: Elem doc differs from parent's one\n"); if (elem->prev == NULL) { if ((elem->parent != NULL) && (elem->parent->children != (xmlNodePtr)elem)) fprintf(output, "PBM: Elem has no prev and not first of list\n"); } else { if (elem->prev->next != (xmlNodePtr) elem) fprintf(output, "PBM: Elem prev->next : back link wrong\n"); } if (elem->next == NULL) { if ((elem->parent != NULL) && (elem->parent->last != (xmlNodePtr) elem)) fprintf(output, "PBM: Elem has no next and not last of list\n"); } else { if (elem->next->prev != (xmlNodePtr) elem) fprintf(output, "PBM: Elem next->prev : forward link wrong\n"); } } static void xmlDebugDumpEntityDecl(FILE *output, xmlEntityPtr ent, int depth) { int i; char shift[100]; for (i = 0;((i < depth) && (i < 25));i++) shift[2 * i] = shift[2 * i + 1] = ' '; shift[2 * i] = shift[2 * i + 1] = 0; fprintf(output, shift); if (ent == NULL) { fprintf(output, "Entity declaration is NULL\n"); return; } if (ent->type != XML_ENTITY_DECL) { fprintf(output, "PBM: not a Entity decl\n"); return; } if (ent->name != NULL) { fprintf(output, "ENTITYDECL("); xmlDebugDumpString(output, ent->name); fprintf(output, ")"); } else fprintf(output, "PBM ENTITYDECL noname!!!"); switch (ent->etype) { case XML_INTERNAL_GENERAL_ENTITY: fprintf(output, ", internal\n"); break; case XML_EXTERNAL_GENERAL_PARSED_ENTITY: fprintf(output, ", external parsed\n"); break; case XML_EXTERNAL_GENERAL_UNPARSED_ENTITY: fprintf(output, ", unparsed\n"); break; case XML_INTERNAL_PARAMETER_ENTITY: fprintf(output, ", parameter\n"); break; case XML_EXTERNAL_PARAMETER_ENTITY: fprintf(output, ", external parameter\n"); break; case XML_INTERNAL_PREDEFINED_ENTITY: fprintf(output, ", predefined\n"); break; } if (ent->ExternalID) { fprintf(output, shift); fprintf(output, " ExternalID=%s\n", ent->ExternalID); } if (ent->SystemID) { fprintf(output, shift); fprintf(output, " SystemID=%s\n", ent->SystemID); } if (ent->URI != NULL) { fprintf(output, shift); fprintf(output, " URI=%s\n", ent->URI); } if (ent->content) { fprintf(output, shift); fprintf(output, " content="); xmlDebugDumpString(output, ent->content); fprintf(output, "\n"); } /* * Do a bit of checking */ if (ent->parent == NULL) fprintf(output, "PBM: Ent has no parent\n"); if (ent->doc == NULL) fprintf(output, "PBM: Ent has no doc\n"); if ((ent->parent != NULL) && (ent->doc != ent->parent->doc)) fprintf(output, "PBM: Ent doc differs from parent's one\n"); if (ent->prev == NULL) { if ((ent->parent != NULL) && (ent->parent->children != (xmlNodePtr)ent)) fprintf(output, "PBM: Ent has no prev and not first of list\n"); } else { if (ent->prev->next != (xmlNodePtr) ent) fprintf(output, "PBM: Ent prev->next : back link wrong\n"); } if (ent->next == NULL) { if ((ent->parent != NULL) && (ent->parent->last != (xmlNodePtr) ent)) fprintf(output, "PBM: Ent has no next and not last of list\n"); } else { if (ent->next->prev != (xmlNodePtr) ent) fprintf(output, "PBM: Ent next->prev : forward link wrong\n"); } } static void xmlDebugDumpNamespace(FILE *output, xmlNsPtr ns, int depth) { int i; char shift[100]; for (i = 0;((i < depth) && (i < 25));i++) shift[2 * i] = shift[2 * i + 1] = ' '; shift[2 * i] = shift[2 * i + 1] = 0; fprintf(output, shift); if (ns == NULL) { fprintf(output, "namespace node is NULL\n"); return; } if (ns->type != XML_NAMESPACE_DECL) { fprintf(output, "invalid namespace node %d\n", ns->type); return; } if (ns->href == NULL) { if (ns->prefix != NULL) fprintf(output, "incomplete namespace %s href=NULL\n", ns->prefix); else fprintf(output, "incomplete default namespace href=NULL\n"); } else { if (ns->prefix != NULL) fprintf(output, "namespace %s href=", ns->prefix); else fprintf(output, "default namespace href="); xmlDebugDumpString(output, ns->href); fprintf(output, "\n"); } } static void xmlDebugDumpNamespaceList(FILE *output, xmlNsPtr ns, int depth) { while (ns != NULL) { xmlDebugDumpNamespace(output, ns, depth); ns = ns->next; } } static void xmlDebugDumpEntity(FILE *output, xmlEntityPtr ent, int depth) { int i; char shift[100]; for (i = 0;((i < depth) && (i < 25));i++) shift[2 * i] = shift[2 * i + 1] = ' '; shift[2 * i] = shift[2 * i + 1] = 0; fprintf(output, shift); if (ent == NULL) { fprintf(output, "Entity is NULL\n"); return; } switch (ent->etype) { case XML_INTERNAL_GENERAL_ENTITY: fprintf(output, "INTERNAL_GENERAL_ENTITY "); break; case XML_EXTERNAL_GENERAL_PARSED_ENTITY: fprintf(output, "EXTERNAL_GENERAL_PARSED_ENTITY "); break; case XML_EXTERNAL_GENERAL_UNPARSED_ENTITY: fprintf(output, "EXTERNAL_GENERAL_UNPARSED_ENTITY "); break; case XML_INTERNAL_PARAMETER_ENTITY: fprintf(output, "INTERNAL_PARAMETER_ENTITY "); break; case XML_EXTERNAL_PARAMETER_ENTITY: fprintf(output, "EXTERNAL_PARAMETER_ENTITY "); break; default: fprintf(output, "ENTITY_%d ! ", ent->etype); } fprintf(output, "%s\n", ent->name); if (ent->ExternalID) { fprintf(output, shift); fprintf(output, "ExternalID=%s\n", ent->ExternalID); } if (ent->SystemID) { fprintf(output, shift); fprintf(output, "SystemID=%s\n", ent->SystemID); } if (ent->URI) { fprintf(output, shift); fprintf(output, "URI=%s\n", ent->URI); } if (ent->content) { fprintf(output, shift); fprintf(output, "content="); xmlDebugDumpString(output, ent->content); fprintf(output, "\n"); } } /** * xmlDebugDumpAttr: * @output: the FILE * for the output * @attr: the attribute * @depth: the indentation level. * * Dumps debug information for the attribute */ void xmlDebugDumpAttr(FILE *output, xmlAttrPtr attr, int depth) { int i; char shift[100]; for (i = 0;((i < depth) && (i < 25));i++) shift[2 * i] = shift[2 * i + 1] = ' '; shift[2 * i] = shift[2 * i + 1] = 0; fprintf(output, shift); if (attr == NULL) { fprintf(output, "Attr is NULL"); return; } fprintf(output, "ATTRIBUTE "); xmlDebugDumpString(output, attr->name); fprintf(output, "\n"); if (attr->children != NULL) xmlDebugDumpNodeList(output, attr->children, depth + 1); /* * Do a bit of checking */ if (attr->parent == NULL) fprintf(output, "PBM: Attr has no parent\n"); if (attr->doc == NULL) fprintf(output, "PBM: Attr has no doc\n"); if ((attr->parent != NULL) && (attr->doc != attr->parent->doc)) fprintf(output, "PBM: Attr doc differs from parent's one\n"); if (attr->prev == NULL) { if ((attr->parent != NULL) && (attr->parent->properties != attr)) fprintf(output, "PBM: Attr has no prev and not first of list\n"); } else { if (attr->prev->next != attr) fprintf(output, "PBM: Attr prev->next : back link wrong\n"); } if (attr->next != NULL) { if (attr->next->prev != attr) fprintf(output, "PBM: Attr next->prev : forward link wrong\n"); } } /** * xmlDebugDumpAttrList: * @output: the FILE * for the output * @attr: the attribute list * @depth: the indentation level. * * Dumps debug information for the attribute list */ void xmlDebugDumpAttrList(FILE * output, xmlAttrPtr attr, int depth) { if (output == NULL) output = stdout; while (attr != NULL) { xmlDebugDumpAttr(output, attr, depth); attr = attr->next; } } /** * xmlDebugDumpOneNode: * @output: the FILE * for the output * @node: the node * @depth: the indentation level. * * Dumps debug information for the element node, it is not recursive */ void xmlDebugDumpOneNode(FILE * output, xmlNodePtr node, int depth) { int i; char shift[100]; if (output == NULL) output = stdout; for (i = 0; ((i < depth) && (i < 25)); i++) shift[2 * i] = shift[2 * i + 1] = ' '; shift[2 * i] = shift[2 * i + 1] = 0; if (node == NULL) { fprintf(output, shift); fprintf(output, "node is NULL\n"); return; } switch (node->type) { case XML_ELEMENT_NODE: fprintf(output, shift); fprintf(output, "ELEMENT "); if ((node->ns != NULL) && (node->ns->prefix != NULL)) { xmlDebugDumpString(output, node->ns->prefix); fprintf(output, ":"); } xmlDebugDumpString(output, node->name); fprintf(output, "\n"); break; case XML_ATTRIBUTE_NODE: fprintf(output, shift); fprintf(output, "Error, ATTRIBUTE found here\n"); break; case XML_TEXT_NODE: fprintf(output, shift); if (node->name == (const xmlChar *) xmlStringTextNoenc) fprintf(output, "TEXT no enc\n"); else fprintf(output, "TEXT\n"); break; case XML_CDATA_SECTION_NODE: fprintf(output, shift); fprintf(output, "CDATA_SECTION\n"); break; case XML_ENTITY_REF_NODE: fprintf(output, shift); fprintf(output, "ENTITY_REF(%s)\n", node->name); break; case XML_ENTITY_NODE: fprintf(output, shift); fprintf(output, "ENTITY\n"); break; case XML_PI_NODE: fprintf(output, shift); fprintf(output, "PI %s\n", node->name); break; case XML_COMMENT_NODE: fprintf(output, shift); fprintf(output, "COMMENT\n"); break; case XML_DOCUMENT_NODE: case XML_HTML_DOCUMENT_NODE: fprintf(output, shift); fprintf(output, "Error, DOCUMENT found here\n"); break; case XML_DOCUMENT_TYPE_NODE: fprintf(output, shift); fprintf(output, "DOCUMENT_TYPE\n"); break; case XML_DOCUMENT_FRAG_NODE: fprintf(output, shift); fprintf(output, "DOCUMENT_FRAG\n"); break; case XML_NOTATION_NODE: fprintf(output, shift); fprintf(output, "NOTATION\n"); break; case XML_DTD_NODE: xmlDebugDumpDtdNode(output, (xmlDtdPtr) node, depth); return; case XML_ELEMENT_DECL: xmlDebugDumpElemDecl(output, (xmlElementPtr) node, depth); return; case XML_ATTRIBUTE_DECL: xmlDebugDumpAttrDecl(output, (xmlAttributePtr) node, depth); return; case XML_ENTITY_DECL: xmlDebugDumpEntityDecl(output, (xmlEntityPtr) node, depth); return; case XML_NAMESPACE_DECL: xmlDebugDumpNamespace(output, (xmlNsPtr) node, depth); return; case XML_XINCLUDE_START: fprintf(output, shift); fprintf(output, "INCLUDE START\n"); return; case XML_XINCLUDE_END: fprintf(output, shift); fprintf(output, "INCLUDE END\n"); return; default: fprintf(output, shift); fprintf(output, "NODE_%d !!!\n", node->type); return; } if (node->doc == NULL) { fprintf(output, shift); fprintf(output, "doc == NULL !!!\n"); } if (node->nsDef != NULL) xmlDebugDumpNamespaceList(output, node->nsDef, depth + 1); if (node->properties != NULL) xmlDebugDumpAttrList(output, node->properties, depth + 1); if (node->type != XML_ENTITY_REF_NODE) { if ((node->type != XML_ELEMENT_NODE) && (node->content != NULL)) { shift[2 * i] = shift[2 * i + 1] = ' '; shift[2 * i + 2] = shift[2 * i + 3] = 0; fprintf(output, shift); fprintf(output, "content="); xmlDebugDumpString(output, node->content); fprintf(output, "\n"); } } else { xmlEntityPtr ent; ent = xmlGetDocEntity(node->doc, node->name); if (ent != NULL) xmlDebugDumpEntity(output, ent, depth + 1); } /* * Do a bit of checking */ if (node->parent == NULL) fprintf(output, "PBM: Node has no parent\n"); if (node->doc == NULL) fprintf(output, "PBM: Node has no doc\n"); if ((node->parent != NULL) && (node->doc != node->parent->doc)) fprintf(output, "PBM: Node doc differs from parent's one\n"); if (node->prev == NULL) { if ((node->parent != NULL) && (node->parent->children != node)) fprintf(output, "PBM: Node has no prev and not first of list\n"); } else { if (node->prev->next != node) fprintf(output, "PBM: Node prev->next : back link wrong\n"); } if (node->next == NULL) { if ((node->parent != NULL) && (node->parent->last != node)) fprintf(output, "PBM: Node has no next and not last of list\n"); } else { if (node->next->prev != node) fprintf(output, "PBM: Node next->prev : forward link wrong\n"); } } /** * xmlDebugDumpNode: * @output: the FILE * for the output * @node: the node * @depth: the indentation level. * * Dumps debug information for the element node, it is recursive */ void xmlDebugDumpNode(FILE * output, xmlNodePtr node, int depth) { if (output == NULL) output = stdout; if (node == NULL) { int i; char shift[100]; for (i = 0; ((i < depth) && (i < 25)); i++) shift[2 * i] = shift[2 * i + 1] = ' '; shift[2 * i] = shift[2 * i + 1] = 0; fprintf(output, shift); fprintf(output, "node is NULL\n"); return; } xmlDebugDumpOneNode(output, node, depth); if ((node->children != NULL) && (node->type != XML_ENTITY_REF_NODE)) xmlDebugDumpNodeList(output, node->children, depth + 1); } /** * xmlDebugDumpNodeList: * @output: the FILE * for the output * @node: the node list * @depth: the indentation level. * * Dumps debug information for the list of element node, it is recursive */ void xmlDebugDumpNodeList(FILE * output, xmlNodePtr node, int depth) { if (output == NULL) output = stdout; while (node != NULL) { xmlDebugDumpNode(output, node, depth); node = node->next; } } /** * xmlDebugDumpDocumentHead: * @output: the FILE * for the output * @doc: the document * * Dumps debug information cncerning the document, not recursive */ void xmlDebugDumpDocumentHead(FILE * output, xmlDocPtr doc) { if (output == NULL) output = stdout; if (doc == NULL) { fprintf(output, "DOCUMENT == NULL !\n"); return; } switch (doc->type) { case XML_ELEMENT_NODE: fprintf(output, "Error, ELEMENT found here "); break; case XML_ATTRIBUTE_NODE: fprintf(output, "Error, ATTRIBUTE found here\n"); break; case XML_TEXT_NODE: fprintf(output, "Error, TEXT\n"); break; case XML_CDATA_SECTION_NODE: fprintf(output, "Error, CDATA_SECTION\n"); break; case XML_ENTITY_REF_NODE: fprintf(output, "Error, ENTITY_REF\n"); break; case XML_ENTITY_NODE: fprintf(output, "Error, ENTITY\n"); break; case XML_PI_NODE: fprintf(output, "Error, PI\n"); break; case XML_COMMENT_NODE: fprintf(output, "Error, COMMENT\n"); break; case XML_DOCUMENT_NODE: fprintf(output, "DOCUMENT\n"); break; case XML_HTML_DOCUMENT_NODE: fprintf(output, "HTML DOCUMENT\n"); break; case XML_DOCUMENT_TYPE_NODE: fprintf(output, "Error, DOCUMENT_TYPE\n"); break; case XML_DOCUMENT_FRAG_NODE: fprintf(output, "Error, DOCUMENT_FRAG\n"); break; case XML_NOTATION_NODE: fprintf(output, "Error, NOTATION\n"); break; default: fprintf(output, "NODE_%d\n", doc->type); } if (doc->name != NULL) { fprintf(output, "name="); xmlDebugDumpString(output, BAD_CAST doc->name); fprintf(output, "\n"); } if (doc->version != NULL) { fprintf(output, "version="); xmlDebugDumpString(output, doc->version); fprintf(output, "\n"); } if (doc->encoding != NULL) { fprintf(output, "encoding="); xmlDebugDumpString(output, doc->encoding); fprintf(output, "\n"); } if (doc->URL != NULL) { fprintf(output, "URL="); xmlDebugDumpString(output, doc->URL); fprintf(output, "\n"); } if (doc->standalone) fprintf(output, "standalone=true\n"); if (doc->oldNs != NULL) xmlDebugDumpNamespaceList(output, doc->oldNs, 0); } /** * xmlDebugDumpDocument: * @output: the FILE * for the output * @doc: the document * * Dumps debug information for the document, it's recursive */ void xmlDebugDumpDocument(FILE * output, xmlDocPtr doc) { if (output == NULL) output = stdout; if (doc == NULL) { fprintf(output, "DOCUMENT == NULL !\n"); return; } xmlDebugDumpDocumentHead(output, doc); if (((doc->type == XML_DOCUMENT_NODE) || (doc->type == XML_HTML_DOCUMENT_NODE)) && (doc->children != NULL)) xmlDebugDumpNodeList(output, doc->children, 1); } /** * xmlDebugDumpDTD: * @output: the FILE * for the output * @dtd: the DTD * * Dumps debug information for the DTD */ void xmlDebugDumpDTD(FILE * output, xmlDtdPtr dtd) { if (output == NULL) output = stdout; if (dtd == NULL) { fprintf(output, "DTD is NULL\n"); return; } if (dtd->type != XML_DTD_NODE) { fprintf(output, "PBM: not a DTD\n"); return; } if (dtd->name != NULL) fprintf(output, "DTD(%s)", dtd->name); else fprintf(output, "DTD"); if (dtd->ExternalID != NULL) fprintf(output, ", PUBLIC %s", dtd->ExternalID); if (dtd->SystemID != NULL) fprintf(output, ", SYSTEM %s", dtd->SystemID); fprintf(output, "\n"); /* * Do a bit of checking */ if ((dtd->parent != NULL) && (dtd->doc != dtd->parent->doc)) fprintf(output, "PBM: DTD doc differs from parent's one\n"); if (dtd->prev == NULL) { if ((dtd->parent != NULL) && (dtd->parent->children != (xmlNodePtr) dtd)) fprintf(output, "PBM: DTD has no prev and not first of list\n"); } else { if (dtd->prev->next != (xmlNodePtr) dtd) fprintf(output, "PBM: DTD prev->next : back link wrong\n"); } if (dtd->next == NULL) { if ((dtd->parent != NULL) && (dtd->parent->last != (xmlNodePtr) dtd)) fprintf(output, "PBM: DTD has no next and not last of list\n"); } else { if (dtd->next->prev != (xmlNodePtr) dtd) fprintf(output, "PBM: DTD next->prev : forward link wrong\n"); } if (dtd->children == NULL) fprintf(output, " DTD is empty\n"); else xmlDebugDumpNodeList(output, dtd->children, 1); } static void xmlDebugDumpEntityCallback(xmlEntityPtr cur, FILE *output) { if (cur == NULL) { fprintf(output, "Entity is NULL"); return; } fprintf(output, "%s : ", cur->name); switch (cur->etype) { case XML_INTERNAL_GENERAL_ENTITY: fprintf(output, "INTERNAL GENERAL, "); break; case XML_EXTERNAL_GENERAL_PARSED_ENTITY: fprintf(output, "EXTERNAL PARSED, "); break; case XML_EXTERNAL_GENERAL_UNPARSED_ENTITY: fprintf(output, "EXTERNAL UNPARSED, "); break; case XML_INTERNAL_PARAMETER_ENTITY: fprintf(output, "INTERNAL PARAMETER, "); break; case XML_EXTERNAL_PARAMETER_ENTITY: fprintf(output, "EXTERNAL PARAMETER, "); break; default: fprintf(output, "UNKNOWN TYPE %d", cur->etype); } if (cur->ExternalID != NULL) fprintf(output, "ID \"%s\"", cur->ExternalID); if (cur->SystemID != NULL) fprintf(output, "SYSTEM \"%s\"", cur->SystemID); if (cur->orig != NULL) fprintf(output, "\n orig \"%s\"", cur->orig); if ((cur->type != XML_ELEMENT_NODE) && (cur->content != NULL)) fprintf(output, "\n content \"%s\"", cur->content); fprintf(output, "\n"); } /** * xmlDebugDumpEntities: * @output: the FILE * for the output * @doc: the document * * Dumps debug information for all the entities in use by the document */ void xmlDebugDumpEntities(FILE * output, xmlDocPtr doc) { if (output == NULL) output = stdout; if (doc == NULL) { fprintf(output, "DOCUMENT == NULL !\n"); return; } switch (doc->type) { case XML_ELEMENT_NODE: fprintf(output, "Error, ELEMENT found here "); break; case XML_ATTRIBUTE_NODE: fprintf(output, "Error, ATTRIBUTE found here\n"); break; case XML_TEXT_NODE: fprintf(output, "Error, TEXT\n"); break; case XML_CDATA_SECTION_NODE: fprintf(output, "Error, CDATA_SECTION\n"); break; case XML_ENTITY_REF_NODE: fprintf(output, "Error, ENTITY_REF\n"); break; case XML_ENTITY_NODE: fprintf(output, "Error, ENTITY\n"); break; case XML_PI_NODE: fprintf(output, "Error, PI\n"); break; case XML_COMMENT_NODE: fprintf(output, "Error, COMMENT\n"); break; case XML_DOCUMENT_NODE: fprintf(output, "DOCUMENT\n"); break; case XML_HTML_DOCUMENT_NODE: fprintf(output, "HTML DOCUMENT\n"); break; case XML_DOCUMENT_TYPE_NODE: fprintf(output, "Error, DOCUMENT_TYPE\n"); break; case XML_DOCUMENT_FRAG_NODE: fprintf(output, "Error, DOCUMENT_FRAG\n"); break; case XML_NOTATION_NODE: fprintf(output, "Error, NOTATION\n"); break; default: fprintf(output, "NODE_%d\n", doc->type); } if ((doc->intSubset != NULL) && (doc->intSubset->entities != NULL)) { xmlEntitiesTablePtr table = (xmlEntitiesTablePtr) doc->intSubset->entities; fprintf(output, "Entities in internal subset\n"); xmlHashScan(table, (xmlHashScanner) xmlDebugDumpEntityCallback, output); } else fprintf(output, "No entities in internal subset\n"); if ((doc->extSubset != NULL) && (doc->extSubset->entities != NULL)) { xmlEntitiesTablePtr table = (xmlEntitiesTablePtr) doc->extSubset->entities; fprintf(output, "Entities in external subset\n"); xmlHashScan(table, (xmlHashScanner) xmlDebugDumpEntityCallback, output); } else fprintf(output, "No entities in external subset\n"); } /** * xmlLsCountNode: * @node: the node to count * * Count the children of @node. * * Returns the number of children of @node. */ int xmlLsCountNode(xmlNodePtr node) { int ret = 0; xmlNodePtr list = NULL; if (node == NULL) return(0); switch (node->type) { case XML_ELEMENT_NODE: list = node->children; break; case XML_DOCUMENT_NODE: case XML_HTML_DOCUMENT_NODE: #ifdef LIBXML_DOCB_ENABLED case XML_DOCB_DOCUMENT_NODE: #endif list = ((xmlDocPtr) node)->children; break; case XML_ATTRIBUTE_NODE: list = ((xmlAttrPtr) node)->children; break; case XML_TEXT_NODE: case XML_CDATA_SECTION_NODE: case XML_PI_NODE: case XML_COMMENT_NODE: if (node->content != NULL) { ret = xmlStrlen(node->content); } break; case XML_ENTITY_REF_NODE: case XML_DOCUMENT_TYPE_NODE: case XML_ENTITY_NODE: case XML_DOCUMENT_FRAG_NODE: case XML_NOTATION_NODE: case XML_DTD_NODE: case XML_ELEMENT_DECL: case XML_ATTRIBUTE_DECL: case XML_ENTITY_DECL: case XML_NAMESPACE_DECL: case XML_XINCLUDE_START: case XML_XINCLUDE_END: ret = 1; break; } for (;list != NULL;ret++) list = list->next; return(ret); } /** * xmlLsOneNode: * @output: the FILE * for the output * @node: the node to dump * * Dump to @output the type and name of @node. */ void xmlLsOneNode(FILE *output, xmlNodePtr node) { if (node == NULL) { fprintf(output, "NULL\n"); return; } switch (node->type) { case XML_ELEMENT_NODE: fprintf(output, "-"); break; case XML_ATTRIBUTE_NODE: fprintf(output, "a"); break; case XML_TEXT_NODE: fprintf(output, "t"); break; case XML_CDATA_SECTION_NODE: fprintf(output, "C"); break; case XML_ENTITY_REF_NODE: fprintf(output, "e"); break; case XML_ENTITY_NODE: fprintf(output, "E"); break; case XML_PI_NODE: fprintf(output, "p"); break; case XML_COMMENT_NODE: fprintf(output, "c"); break; case XML_DOCUMENT_NODE: fprintf(output, "d"); break; case XML_HTML_DOCUMENT_NODE: fprintf(output, "h"); break; case XML_DOCUMENT_TYPE_NODE: fprintf(output, "T"); break; case XML_DOCUMENT_FRAG_NODE: fprintf(output, "F"); break; case XML_NOTATION_NODE: fprintf(output, "N"); break; case XML_NAMESPACE_DECL: fprintf(output, "n"); break; default: fprintf(output, "?"); } if (node->type != XML_NAMESPACE_DECL) { if (node->properties != NULL) fprintf(output, "a"); else fprintf(output, "-"); if (node->nsDef != NULL) fprintf(output, "n"); else fprintf(output, "-"); } fprintf(output, " %8d ", xmlLsCountNode(node)); switch (node->type) { case XML_ELEMENT_NODE: if (node->name != NULL) fprintf(output, "%s", node->name); break; case XML_ATTRIBUTE_NODE: if (node->name != NULL) fprintf(output, "%s", node->name); break; case XML_TEXT_NODE: if (node->content != NULL) { xmlDebugDumpString(output, node->content); } break; case XML_CDATA_SECTION_NODE: break; case XML_ENTITY_REF_NODE: if (node->name != NULL) fprintf(output, "%s", node->name); break; case XML_ENTITY_NODE: if (node->name != NULL) fprintf(output, "%s", node->name); break; case XML_PI_NODE: if (node->name != NULL) fprintf(output, "%s", node->name); break; case XML_COMMENT_NODE: break; case XML_DOCUMENT_NODE: break; case XML_HTML_DOCUMENT_NODE: break; case XML_DOCUMENT_TYPE_NODE: break; case XML_DOCUMENT_FRAG_NODE: break; case XML_NOTATION_NODE: break; case XML_NAMESPACE_DECL: { xmlNsPtr ns = (xmlNsPtr) node; if (ns->prefix == NULL) fprintf(output, "default -> %s", ns->href); else fprintf(output, "%s -> %s", ns->prefix, ns->href); break; } default: if (node->name != NULL) fprintf(output, "%s", node->name); } fprintf(output, "\n"); } /** * xmlBoolToText: * @boolval: a bool to turn into text * * Convenient way to turn bool into text * * Returns a pointer to either "True" or "False" */ const char * xmlBoolToText(int boolval) { if (boolval) return("True"); else return("False"); } /**************************************************************** * * * The XML shell related functions * * * ****************************************************************/ /* * TODO: Improvement/cleanups for the XML shell * - allow to shell out an editor on a subpart * - cleanup function registrations (with help) and calling * - provide registration routines */ /** * xmlShellPrintXPathError: * @errorType: valid xpath error id * @arg: the argument that cause xpath to fail * * Print the xpath error to libxml default error channel */ void xmlShellPrintXPathError(int errorType, const char *arg) { const char *default_arg = "Result"; if (!arg) arg = default_arg; switch (errorType) { case XPATH_UNDEFINED: xmlGenericError(xmlGenericErrorContext, "%s: no such node\n", arg); break; case XPATH_BOOLEAN: xmlGenericError(xmlGenericErrorContext, "%s is a Boolean\n", arg); break; case XPATH_NUMBER: xmlGenericError(xmlGenericErrorContext, "%s is a number\n", arg); break; case XPATH_STRING: xmlGenericError(xmlGenericErrorContext, "%s is a string\n", arg); break; case XPATH_POINT: xmlGenericError(xmlGenericErrorContext, "%s is a point\n", arg); break; case XPATH_RANGE: xmlGenericError(xmlGenericErrorContext, "%s is a range\n", arg); break; case XPATH_LOCATIONSET: xmlGenericError(xmlGenericErrorContext, "%s is a range\n", arg); break; case XPATH_USERS: xmlGenericError(xmlGenericErrorContext, "%s is user-defined\n", arg); break; case XPATH_XSLT_TREE: xmlGenericError(xmlGenericErrorContext, "%s is an XSLT value tree\n", arg); break; } xmlGenericError(xmlGenericErrorContext, "Try casting the result string function (xpath builtin)\n", arg); } /** * xmlShellPrintNode: * @node : a non-null node to print to stdout * * Print node to stdout */ void xmlShellPrintNode(xmlNodePtr node) { if (!node) return; if (node->type == XML_DOCUMENT_NODE) xmlDocDump(stdout, (xmlDocPtr) node); else if (node->type == XML_ATTRIBUTE_NODE) xmlDebugDumpAttrList(stdout, (xmlAttrPtr) node, 0); else xmlElemDump(stdout, node->doc, node); fprintf(stdout, "\n"); } /** * xmlShellPrintXPathResult: * @list: a valid result generated by an xpath evaluation * * Prints result to stdout */ void xmlShellPrintXPathResult(xmlXPathObjectPtr list) { int i = 0; if (list != NULL) { switch (list->type) { case XPATH_NODESET:{ int indx; if (list->nodesetval) { for (indx = 0; indx < list->nodesetval->nodeNr; indx++) { if (i > 0) fprintf(stderr, " -------\n"); xmlShellPrintNode(list->nodesetval-> nodeTab[indx]); } } else { xmlGenericError(xmlGenericErrorContext, "Empty node set\n"); } break; } case XPATH_BOOLEAN: xmlGenericError(xmlGenericErrorContext, "Is a Boolean:%s\n", xmlBoolToText(list->boolval)); break; case XPATH_NUMBER: xmlGenericError(xmlGenericErrorContext, "Is a number:%0g\n", list->floatval); break; case XPATH_STRING: xmlGenericError(xmlGenericErrorContext, "Is a string:%s\n", list->stringval); break; default: xmlShellPrintXPathError(list->type, NULL); } } } /** * xmlShellList: * @ctxt: the shell context * @arg: unused * @node: a node * @node2: unused * * Implements the XML shell function "ls" * Does an Unix like listing of the given node (like a directory) * * Returns 0 */ int xmlShellList(xmlShellCtxtPtr ctxt ATTRIBUTE_UNUSED, char *arg ATTRIBUTE_UNUSED, xmlNodePtr node, xmlNodePtr node2 ATTRIBUTE_UNUSED) { xmlNodePtr cur; if (node == NULL) { fprintf(stdout, "NULL\n"); return (0); } if ((node->type == XML_DOCUMENT_NODE) || (node->type == XML_HTML_DOCUMENT_NODE)) { cur = ((xmlDocPtr) node)->children; } else if (node->type == XML_NAMESPACE_DECL) { xmlLsOneNode(stdout, node); return (0); } else if (node->children != NULL) { cur = node->children; } else { xmlLsOneNode(stdout, node); return (0); } while (cur != NULL) { xmlLsOneNode(stdout, cur); cur = cur->next; } return (0); } /** * xmlShellBase: * @ctxt: the shell context * @arg: unused * @node: a node * @node2: unused * * Implements the XML shell function "base" * dumps the current XML base of the node * * Returns 0 */ int xmlShellBase(xmlShellCtxtPtr ctxt ATTRIBUTE_UNUSED, char *arg ATTRIBUTE_UNUSED, xmlNodePtr node, xmlNodePtr node2 ATTRIBUTE_UNUSED) { xmlChar *base; if (node == NULL) { fprintf(stdout, "NULL\n"); return (0); } base = xmlNodeGetBase(node->doc, node); if (base == NULL) { fprintf(stdout, " No base found !!!\n"); } else { fprintf(stdout, "%s\n", base); xmlFree(base); } return (0); } /** * xmlShellSetBase: * @ctxt: the shell context * @arg: the new base * @node: a node * @node2: unused * * Implements the XML shell function "setbase" * change the current XML base of the node * * Returns 0 */ static int xmlShellSetBase(xmlShellCtxtPtr ctxt ATTRIBUTE_UNUSED, char *arg ATTRIBUTE_UNUSED, xmlNodePtr node, xmlNodePtr node2 ATTRIBUTE_UNUSED) { xmlNodeSetBase(node, (xmlChar*) arg); return (0); } /** * xmlShellDir: * @ctxt: the shell context * @arg: unused * @node: a node * @node2: unused * * Implements the XML shell function "dir" * dumps informations about the node (namespace, attributes, content). * * Returns 0 */ int xmlShellDir(xmlShellCtxtPtr ctxt ATTRIBUTE_UNUSED, char *arg ATTRIBUTE_UNUSED, xmlNodePtr node, xmlNodePtr node2 ATTRIBUTE_UNUSED) { if (node == NULL) { fprintf(stdout, "NULL\n"); return (0); } if ((node->type == XML_DOCUMENT_NODE) || (node->type == XML_HTML_DOCUMENT_NODE)) { xmlDebugDumpDocumentHead(stdout, (xmlDocPtr) node); } else if (node->type == XML_ATTRIBUTE_NODE) { xmlDebugDumpAttr(stdout, (xmlAttrPtr) node, 0); } else { xmlDebugDumpOneNode(stdout, node, 0); } return (0); } /** * xmlShellCat: * @ctxt: the shell context * @arg: unused * @node: a node * @node2: unused * * Implements the XML shell function "cat" * dumps the serialization node content (XML or HTML). * * Returns 0 */ int xmlShellCat(xmlShellCtxtPtr ctxt, char *arg ATTRIBUTE_UNUSED, xmlNodePtr node, xmlNodePtr node2 ATTRIBUTE_UNUSED) { if (node == NULL) { fprintf(stdout, "NULL\n"); return (0); } if (ctxt->doc->type == XML_HTML_DOCUMENT_NODE) { #ifdef LIBXML_HTML_ENABLED if (node->type == XML_HTML_DOCUMENT_NODE) htmlDocDump(stdout, (htmlDocPtr) node); else htmlNodeDumpFile(stdout, ctxt->doc, node); #else if (node->type == XML_DOCUMENT_NODE) xmlDocDump(stdout, (xmlDocPtr) node); else xmlElemDump(stdout, ctxt->doc, node); #endif /* LIBXML_HTML_ENABLED */ } else { if (node->type == XML_DOCUMENT_NODE) xmlDocDump(stdout, (xmlDocPtr) node); else xmlElemDump(stdout, ctxt->doc, node); } fprintf(stdout, "\n"); return (0); } /** * xmlShellLoad: * @ctxt: the shell context * @filename: the file name * @node: unused * @node2: unused * * Implements the XML shell function "load" * loads a new document specified by the filename * * Returns 0 or -1 if loading failed */ int xmlShellLoad(xmlShellCtxtPtr ctxt, char *filename, xmlNodePtr node ATTRIBUTE_UNUSED, xmlNodePtr node2 ATTRIBUTE_UNUSED) { xmlDocPtr doc; int html = 0; if (ctxt->doc != NULL) html = (ctxt->doc->type == XML_HTML_DOCUMENT_NODE); if (html) { #ifdef LIBXML_HTML_ENABLED doc = htmlParseFile(filename, NULL); #else fprintf(stdout, "HTML support not compiled in\n"); doc = NULL; #endif /* LIBXML_HTML_ENABLED */ } else { doc = xmlParseFile(filename); } if (doc != NULL) { if (ctxt->loaded == 1) { xmlFreeDoc(ctxt->doc); } ctxt->loaded = 1; #ifdef LIBXML_XPATH_ENABLED xmlXPathFreeContext(ctxt->pctxt); #endif /* LIBXML_XPATH_ENABLED */ xmlFree(ctxt->filename); ctxt->doc = doc; ctxt->node = (xmlNodePtr) doc; #ifdef LIBXML_XPATH_ENABLED ctxt->pctxt = xmlXPathNewContext(doc); #endif /* LIBXML_XPATH_ENABLED */ ctxt->filename = (char *) xmlStrdup((xmlChar *) filename); } else return (-1); return (0); } /** * xmlShellWrite: * @ctxt: the shell context * @filename: the file name * @node: a node in the tree * @node2: unused * * Implements the XML shell function "write" * Write the current node to the filename, it saves the serialization * of the subtree under the @node specified * * Returns 0 or -1 in case of error */ int xmlShellWrite(xmlShellCtxtPtr ctxt, char *filename, xmlNodePtr node, xmlNodePtr node2 ATTRIBUTE_UNUSED) { if (node == NULL) return (-1); if ((filename == NULL) || (filename[0] == 0)) { xmlGenericError(xmlGenericErrorContext, "Write command requires a filename argument\n"); return (-1); } #ifdef W_OK if (access((char *) filename, W_OK)) { xmlGenericError(xmlGenericErrorContext, "Cannot write to %s\n", filename); return (-1); } #endif switch (node->type) { case XML_DOCUMENT_NODE: if (xmlSaveFile((char *) filename, ctxt->doc) < -1) { xmlGenericError(xmlGenericErrorContext, "Failed to write to %s\n", filename); return (-1); } break; case XML_HTML_DOCUMENT_NODE: #ifdef LIBXML_HTML_ENABLED if (htmlSaveFile((char *) filename, ctxt->doc) < 0) { xmlGenericError(xmlGenericErrorContext, "Failed to write to %s\n", filename); return (-1); } #else if (xmlSaveFile((char *) filename, ctxt->doc) < -1) { xmlGenericError(xmlGenericErrorContext, "Failed to write to %s\n", filename); return (-1); } #endif /* LIBXML_HTML_ENABLED */ break; default:{ FILE *f; f = fopen((char *) filename, "w"); if (f == NULL) { xmlGenericError(xmlGenericErrorContext, "Failed to write to %s\n", filename); return (-1); } xmlElemDump(f, ctxt->doc, node); fclose(f); } } return (0); } /** * xmlShellSave: * @ctxt: the shell context * @filename: the file name (optional) * @node: unused * @node2: unused * * Implements the XML shell function "save" * Write the current document to the filename, or it's original name * * Returns 0 or -1 in case of error */ int xmlShellSave(xmlShellCtxtPtr ctxt, char *filename, xmlNodePtr node ATTRIBUTE_UNUSED, xmlNodePtr node2 ATTRIBUTE_UNUSED) { if (ctxt->doc == NULL) return (-1); if ((filename == NULL) || (filename[0] == 0)) filename = ctxt->filename; #ifdef W_OK if (access((char *) filename, W_OK)) { xmlGenericError(xmlGenericErrorContext, "Cannot save to %s\n", filename); return (-1); } #endif switch (ctxt->doc->type) { case XML_DOCUMENT_NODE: if (xmlSaveFile((char *) filename, ctxt->doc) < 0) { xmlGenericError(xmlGenericErrorContext, "Failed to save to %s\n", filename); } break; case XML_HTML_DOCUMENT_NODE: #ifdef LIBXML_HTML_ENABLED if (htmlSaveFile((char *) filename, ctxt->doc) < 0) { xmlGenericError(xmlGenericErrorContext, "Failed to save to %s\n", filename); } #else if (xmlSaveFile((char *) filename, ctxt->doc) < 0) { xmlGenericError(xmlGenericErrorContext, "Failed to save to %s\n", filename); } #endif /* LIBXML_HTML_ENABLED */ break; default: xmlGenericError(xmlGenericErrorContext, "To save to subparts of a document use the 'write' command\n"); return (-1); } return (0); } /** * xmlShellValidate: * @ctxt: the shell context * @dtd: the DTD URI (optional) * @node: unused * @node2: unused * * Implements the XML shell function "validate" * Validate the document, if a DTD path is provided, then the validation * is done against the given DTD. * * Returns 0 or -1 in case of error */ int xmlShellValidate(xmlShellCtxtPtr ctxt, char *dtd, xmlNodePtr node ATTRIBUTE_UNUSED, xmlNodePtr node2 ATTRIBUTE_UNUSED) { xmlValidCtxt vctxt; int res = -1; vctxt.userData = stderr; vctxt.error = (xmlValidityErrorFunc) fprintf; vctxt.warning = (xmlValidityWarningFunc) fprintf; if ((dtd == NULL) || (dtd[0] == 0)) { res = xmlValidateDocument(&vctxt, ctxt->doc); } else { xmlDtdPtr subset; subset = xmlParseDTD(NULL, (xmlChar *) dtd); if (subset != NULL) { res = xmlValidateDtd(&vctxt, ctxt->doc, subset); xmlFreeDtd(subset); } } return (res); } /** * xmlShellDu: * @ctxt: the shell context * @arg: unused * @tree: a node defining a subtree * @node2: unused * * Implements the XML shell function "du" * show the structure of the subtree under node @tree * If @tree is null, the command works on the current node. * * Returns 0 or -1 in case of error */ int xmlShellDu(xmlShellCtxtPtr ctxt ATTRIBUTE_UNUSED, char *arg ATTRIBUTE_UNUSED, xmlNodePtr tree, xmlNodePtr node2 ATTRIBUTE_UNUSED) { xmlNodePtr node; int indent = 0, i; if (tree == NULL) return (-1); node = tree; while (node != NULL) { if ((node->type == XML_DOCUMENT_NODE) || (node->type == XML_HTML_DOCUMENT_NODE)) { fprintf(stdout, "/\n"); } else if (node->type == XML_ELEMENT_NODE) { for (i = 0; i < indent; i++) fprintf(stdout, " "); fprintf(stdout, "%s\n", node->name); } else { } /* * Browse the full subtree, deep first */ if ((node->type == XML_DOCUMENT_NODE) || (node->type == XML_HTML_DOCUMENT_NODE)) { node = ((xmlDocPtr) node)->children; } else if ((node->children != NULL) && (node->type != XML_ENTITY_REF_NODE)) { /* deep first */ node = node->children; indent++; } else if ((node != tree) && (node->next != NULL)) { /* then siblings */ node = node->next; } else if (node != tree) { /* go up to parents->next if needed */ while (node != tree) { if (node->parent != NULL) { node = node->parent; indent--; } if ((node != tree) && (node->next != NULL)) { node = node->next; break; } if (node->parent == NULL) { node = NULL; break; } if (node == tree) { node = NULL; break; } } /* exit condition */ if (node == tree) node = NULL; } else node = NULL; } return (0); } /** * xmlShellPwd: * @ctxt: the shell context * @buffer: the output buffer * @node: a node * @node2: unused * * Implements the XML shell function "pwd" * Show the full path from the root to the node, if needed building * thumblers when similar elements exists at a given ancestor level. * The output is compatible with XPath commands. * * Returns 0 or -1 in case of error */ int xmlShellPwd(xmlShellCtxtPtr ctxt ATTRIBUTE_UNUSED, char *buffer, xmlNodePtr node, xmlNodePtr node2 ATTRIBUTE_UNUSED) { xmlChar *path; if (node == NULL) return (-1); path = xmlGetNodePath(node); if (path == NULL) return (-1); /* * This test prevents buffer overflow, because this routine * is only called by xmlShell, in which the second argument is * 500 chars long. * It is a dirty hack before a cleaner solution is found. * Documentation should mention that the second argument must * be at least 500 chars long, and could be stripped if too long. */ snprintf(buffer, 499, "%s", path); buffer[499] = '0'; xmlFree(path); return (0); } /** * xmlShell * @doc: the initial document * @filename: the output buffer * @input: the line reading function * @output: the output FILE* * * Implements the XML shell * This allow to load, validate, view, modify and save a document * using a environment similar to a UNIX commandline. */ void xmlShell(xmlDocPtr doc, char *filename, xmlShellReadlineFunc input, FILE * output) { char prompt[500] = "/ > "; char *cmdline = NULL, *cur; int nbargs; char command[100]; char arg[400]; int i; xmlShellCtxtPtr ctxt; xmlXPathObjectPtr list; if (doc == NULL) return; if (filename == NULL) return; if (input == NULL) return; if (output == NULL) return; ctxt = (xmlShellCtxtPtr) xmlMalloc(sizeof(xmlShellCtxt)); if (ctxt == NULL) return; ctxt->loaded = 0; ctxt->doc = doc; ctxt->input = input; ctxt->output = output; ctxt->filename = (char *) xmlStrdup((xmlChar *) filename); ctxt->node = (xmlNodePtr) ctxt->doc; #ifdef LIBXML_XPATH_ENABLED ctxt->pctxt = xmlXPathNewContext(ctxt->doc); if (ctxt->pctxt == NULL) { xmlFree(ctxt); return; } #endif /* LIBXML_XPATH_ENABLED */ while (1) { if (ctxt->node == (xmlNodePtr) ctxt->doc) snprintf(prompt, sizeof(prompt), "%s > ", "/"); else if (ctxt->node->name) snprintf(prompt, sizeof(prompt), "%s > ", ctxt->node->name); else snprintf(prompt, sizeof(prompt), "? > "); prompt[sizeof(prompt) - 1] = 0; /* * Get a new command line */ cmdline = ctxt->input(prompt); if (cmdline == NULL) break; /* * Parse the command itself */ cur = cmdline; nbargs = 0; while ((*cur == ' ') || (*cur == '\t')) cur++; i = 0; while ((*cur != ' ') && (*cur != '\t') && (*cur != '\n') && (*cur != '\r')) { if (*cur == 0) break; command[i++] = *cur++; } command[i] = 0; if (i == 0) continue; nbargs++; /* * Parse the argument */ while ((*cur == ' ') || (*cur == '\t')) cur++; i = 0; while ((*cur != '\n') && (*cur != '\r') && (*cur != 0)) { if (*cur == 0) break; arg[i++] = *cur++; } arg[i] = 0; if (i != 0) nbargs++; /* * start interpreting the command */ if (!strcmp(command, "exit")) break; if (!strcmp(command, "quit")) break; if (!strcmp(command, "bye")) break; if (!strcmp(command, "help")) { fprintf(stdout, "\tbase display XML base of the node\n"); fprintf(stdout, "\tsetbase URI change the XML base of the node\n"); fprintf(stdout, "\tbye leave shell\n"); fprintf(stdout, "\tcat [node] display node or current node\n"); fprintf(stdout, "\tcd [path] change directory to path or to root\n"); fprintf(stdout, "\tdir [path] dumps informations about the node (namespace, attributes, content)\n"); fprintf(stdout, "\tdu [path] show the structure of the subtree under path or the current node\n"); fprintf(stdout, "\texit leave shell\n"); fprintf(stdout, "\thelp display this help\n"); fprintf(stdout, "\tfree display memory usage\n"); fprintf(stdout, "\tload [name] load a new document with name\n"); fprintf(stdout, "\tls [path] list contents of path or the current directory\n"); #ifdef LIBXML_XPATH_ENABLED fprintf(stdout, "\txpath expr evaluate the XPath expression in that context and print the result\n"); #endif /* LIBXML_XPATH_ENABLED */ fprintf(stdout, "\tpwd display current working directory\n"); fprintf(stdout, "\tquit leave shell\n"); fprintf(stdout, "\tsave [name] save this document to name or the original name\n"); fprintf(stdout, "\tvalidate check the document for errors\n"); fprintf(stdout, "\twrite [name] write the current node to the filename\n"); } else if (!strcmp(command, "validate")) { xmlShellValidate(ctxt, arg, NULL, NULL); } else if (!strcmp(command, "load")) { xmlShellLoad(ctxt, arg, NULL, NULL); } else if (!strcmp(command, "save")) { xmlShellSave(ctxt, arg, NULL, NULL); } else if (!strcmp(command, "write")) { xmlShellWrite(ctxt, arg, NULL, NULL); } else if (!strcmp(command, "free")) { if (arg[0] == 0) { xmlMemShow(stdout, 0); } else { int len = 0; sscanf(arg, "%d", &len); xmlMemShow(stdout, len); } } else if (!strcmp(command, "pwd")) { char dir[500]; if (!xmlShellPwd(ctxt, dir, ctxt->node, NULL)) fprintf(stdout, "%s\n", dir); } else if (!strcmp(command, "du")) { xmlShellDu(ctxt, NULL, ctxt->node, NULL); } else if (!strcmp(command, "base")) { xmlShellBase(ctxt, NULL, ctxt->node, NULL); #ifdef LIBXML_XPATH_ENABLED } else if (!strcmp(command, "xpath")) { if (arg[0] == 0) { xmlGenericError(xmlGenericErrorContext, "xpath: expression required\n"); } else { ctxt->pctxt->node = ctxt->node; list = xmlXPathEval((xmlChar *) arg, ctxt->pctxt); xmlXPathDebugDumpObject(stdout, list, 0); xmlXPathFreeObject(list); } #endif /* LIBXML_XPATH_ENABLED */ } else if (!strcmp(command, "setbase")) { xmlShellSetBase(ctxt, arg, ctxt->node, NULL); } else if ((!strcmp(command, "ls")) || (!strcmp(command, "dir"))) { int dir = (!strcmp(command, "dir")); if (arg[0] == 0) { if (dir) xmlShellDir(ctxt, NULL, ctxt->node, NULL); else xmlShellList(ctxt, NULL, ctxt->node, NULL); } else { ctxt->pctxt->node = ctxt->node; #ifdef LIBXML_XPATH_ENABLED ctxt->pctxt->node = ctxt->node; list = xmlXPathEval((xmlChar *) arg, ctxt->pctxt); #else list = NULL; #endif /* LIBXML_XPATH_ENABLED */ if (list != NULL) { switch (list->type) { case XPATH_UNDEFINED: xmlGenericError(xmlGenericErrorContext, "%s: no such node\n", arg); break; case XPATH_NODESET:{ int indx; if (list->nodesetval == NULL) break; for (indx = 0; indx < list->nodesetval->nodeNr; indx++) { if (dir) xmlShellDir(ctxt, NULL, list->nodesetval-> nodeTab[indx], NULL); else xmlShellList(ctxt, NULL, list->nodesetval-> nodeTab[indx], NULL); } break; } case XPATH_BOOLEAN: xmlGenericError(xmlGenericErrorContext, "%s is a Boolean\n", arg); break; case XPATH_NUMBER: xmlGenericError(xmlGenericErrorContext, "%s is a number\n", arg); break; case XPATH_STRING: xmlGenericError(xmlGenericErrorContext, "%s is a string\n", arg); break; case XPATH_POINT: xmlGenericError(xmlGenericErrorContext, "%s is a point\n", arg); break; case XPATH_RANGE: xmlGenericError(xmlGenericErrorContext, "%s is a range\n", arg); break; case XPATH_LOCATIONSET: xmlGenericError(xmlGenericErrorContext, "%s is a range\n", arg); break; case XPATH_USERS: xmlGenericError(xmlGenericErrorContext, "%s is user-defined\n", arg); break; case XPATH_XSLT_TREE: xmlGenericError(xmlGenericErrorContext, "%s is an XSLT value tree\n", arg); break; } #ifdef LIBXML_XPATH_ENABLED xmlXPathFreeObject(list); #endif } else { xmlGenericError(xmlGenericErrorContext, "%s: no such node\n", arg); } ctxt->pctxt->node = NULL; } } else if (!strcmp(command, "cd")) { if (arg[0] == 0) { ctxt->node = (xmlNodePtr) ctxt->doc; } else { #ifdef LIBXML_XPATH_ENABLED ctxt->pctxt->node = ctxt->node; list = xmlXPathEval((xmlChar *) arg, ctxt->pctxt); #else list = NULL; #endif /* LIBXML_XPATH_ENABLED */ if (list != NULL) { switch (list->type) { case XPATH_UNDEFINED: xmlGenericError(xmlGenericErrorContext, "%s: no such node\n", arg); break; case XPATH_NODESET: if (list->nodesetval != NULL) { if (list->nodesetval->nodeNr == 1) { ctxt->node = list->nodesetval->nodeTab[0]; } else xmlGenericError(xmlGenericErrorContext, "%s is a %d Node Set\n", arg, list->nodesetval->nodeNr); } else xmlGenericError(xmlGenericErrorContext, "%s is an empty Node Set\n", arg); break; case XPATH_BOOLEAN: xmlGenericError(xmlGenericErrorContext, "%s is a Boolean\n", arg); break; case XPATH_NUMBER: xmlGenericError(xmlGenericErrorContext, "%s is a number\n", arg); break; case XPATH_STRING: xmlGenericError(xmlGenericErrorContext, "%s is a string\n", arg); break; case XPATH_POINT: xmlGenericError(xmlGenericErrorContext, "%s is a point\n", arg); break; case XPATH_RANGE: xmlGenericError(xmlGenericErrorContext, "%s is a range\n", arg); break; case XPATH_LOCATIONSET: xmlGenericError(xmlGenericErrorContext, "%s is a range\n", arg); break; case XPATH_USERS: xmlGenericError(xmlGenericErrorContext, "%s is user-defined\n", arg); break; case XPATH_XSLT_TREE: xmlGenericError(xmlGenericErrorContext, "%s is an XSLT value tree\n", arg); break; } #ifdef LIBXML_XPATH_ENABLED xmlXPathFreeObject(list); #endif } else { xmlGenericError(xmlGenericErrorContext, "%s: no such node\n", arg); } ctxt->pctxt->node = NULL; } } else if (!strcmp(command, "cat")) { if (arg[0] == 0) { xmlShellCat(ctxt, NULL, ctxt->node, NULL); } else { ctxt->pctxt->node = ctxt->node; #ifdef LIBXML_XPATH_ENABLED ctxt->pctxt->node = ctxt->node; list = xmlXPathEval((xmlChar *) arg, ctxt->pctxt); #else list = NULL; #endif /* LIBXML_XPATH_ENABLED */ if (list != NULL) { switch (list->type) { case XPATH_UNDEFINED: xmlGenericError(xmlGenericErrorContext, "%s: no such node\n", arg); break; case XPATH_NODESET:{ int indx; if (list->nodesetval == NULL) break; for (indx = 0; indx < list->nodesetval->nodeNr; indx++) { if (i > 0) fprintf(stdout, " -------\n"); xmlShellCat(ctxt, NULL, list->nodesetval-> nodeTab[indx], NULL); } break; } case XPATH_BOOLEAN: xmlGenericError(xmlGenericErrorContext, "%s is a Boolean\n", arg); break; case XPATH_NUMBER: xmlGenericError(xmlGenericErrorContext, "%s is a number\n", arg); break; case XPATH_STRING: xmlGenericError(xmlGenericErrorContext, "%s is a string\n", arg); break; case XPATH_POINT: xmlGenericError(xmlGenericErrorContext, "%s is a point\n", arg); break; case XPATH_RANGE: xmlGenericError(xmlGenericErrorContext, "%s is a range\n", arg); break; case XPATH_LOCATIONSET: xmlGenericError(xmlGenericErrorContext, "%s is a range\n", arg); break; case XPATH_USERS: xmlGenericError(xmlGenericErrorContext, "%s is user-defined\n", arg); break; case XPATH_XSLT_TREE: xmlGenericError(xmlGenericErrorContext, "%s is an XSLT value tree\n", arg); break; } #ifdef LIBXML_XPATH_ENABLED xmlXPathFreeObject(list); #endif } else { xmlGenericError(xmlGenericErrorContext, "%s: no such node\n", arg); } ctxt->pctxt->node = NULL; } } else { xmlGenericError(xmlGenericErrorContext, "Unknown command %s\n", command); } free(cmdline); /* not xmlFree here ! */ } #ifdef LIBXML_XPATH_ENABLED xmlXPathFreeContext(ctxt->pctxt); #endif /* LIBXML_XPATH_ENABLED */ if (ctxt->loaded) { xmlFreeDoc(ctxt->doc); } if (ctxt->filename != NULL) xmlFree(ctxt->filename); xmlFree(ctxt); if (cmdline != NULL) free(cmdline); /* not xmlFree here ! */ } #endif /* LIBXML_DEBUG_ENABLED */