initial import from svn trunk revision 2950

1 files changed, 82 insertions, 0 deletions

diff --git a/libsemanage/src/parse_utils.h b/libsemanage/src/parse_utils.h
new file mode 100644
index 00000000..0f334860
--- /dev/null
+++ b/libsemanage/src/parse_utils.h
@@ -0,0 +1,82 @@
+/* Copyright (C) 2005 Red Hat, Inc. */
+
+#ifndef _SEMANAGE_PARSE_UTILS_INTERNAL_H_
+#define _SEMANAGE_PARSE_UTILS_INTERNAL_H_
+
+#include <stdio.h>
+#include <semanage/handle.h>
+
+typedef struct parse_info {
+	unsigned int lineno;	/* Current line number */
+	char *orig_line;	/* Original copy of the line being parsed */
+	char *working_copy;	/* Working copy of the line being parsed */
+	char *ptr;		/* Current parsing location */
+
+	const char *filename;	/* Input stream file name */
+	FILE *file_stream;	/* Input stream handle */
+
+	void *parse_arg;	/* Caller supplied argument */
+} parse_info_t;
+
+/* Initialize structure */
+extern int parse_init(semanage_handle_t * handle,
+		      const char *filename,
+		      void *parse_arg, parse_info_t ** info);
+
+/* Release structure */
+extern void parse_release(parse_info_t * info);
+
+/* Open file */
+extern int parse_open(semanage_handle_t * handle, parse_info_t * info);
+
+/* Close file */
+extern void parse_close(parse_info_t * info);
+
+/* Release resources for current line */
+extern void parse_dispose_line(parse_info_t * info);
+
+/* Skip all whitespace and comments */
+extern int parse_skip_space(semanage_handle_t * handle, parse_info_t * info);
+
+/* Throw an error if we're at the EOF */
+extern int parse_assert_noeof(semanage_handle_t * handle, parse_info_t * info);
+
+/* Throw an error if no whitespace follows,
+ * otherwise eat the whitespace */
+extern int parse_assert_space(semanage_handle_t * handle, parse_info_t * info);
+
+/* Throw an error if the specified character 
+ * does not follow, otherwise eat that character */
+extern int parse_assert_ch(semanage_handle_t * handle,
+			   parse_info_t * info, const char ch);
+
+/* Throw an error if the specified string 
+ * does not follow is not found, otherwise
+ * eat the string */
+extern int parse_assert_str(semanage_handle_t * handle,
+			    parse_info_t * info, const char *assert_str);
+
+/* Eat the optional character, if found,
+ * or return STATUS_NODATA */
+extern int parse_optional_ch(parse_info_t * info, const char ch);
+
+/* Eat the optional string, if found,
+ * or return STATUS_NODATA */
+extern int parse_optional_str(parse_info_t * info, const char *str);
+
+/* Extract the next integer, and move
+ * the read pointer past it. Stop if
+ * the optional character delim is encountered,
+ * or if whitespace/eof is encountered */
+int parse_fetch_int(semanage_handle_t * hgandle,
+		    parse_info_t * info, int *num, char delim);
+
+/* Extract the next string (delimited by 
+ * whitespace), and move the read pointer past it.
+ * Stop of the optional character delim is encountered,
+ * or if whitespace/eof is encountered. Fail if the
+ * string is of length 0. */
+extern int parse_fetch_string(semanage_handle_t * handle,
+			      parse_info_t * info, char **str_ptr, char delim);
+
+#endif