Mini-XML(用C写的XML开源解析器，可读写查询xml)

/*#define DEBUG 1*/ /* * "$Id: mxmldoc.c 390 2009-05-05 13:38:00Z mike $" * * Documentation generator using Mini-XML, a small XML-like file parsing * library. * * Copyright 2003-2009 by Michael Sweet. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2, or (at your option) any later version. * * This program 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 General Public License for more details. * * Contents: * * main() - Main entry for test program. * add_variable() - Add a variable or argument. * find_public() - Find a public function, type, etc. * get_comment_info() - Get info from comment. * get_text() - Get the text for a node. * load_cb() - Set the type of child nodes. * new_documentation() - Create a new documentation tree. * remove_directory() - Remove a directory. * safe_strcpy() - Copy a string allowing for overlapping strings. * scan_file() - Scan a source file. * sort_node() - Insert a node sorted into a tree. * update_comment() - Update a comment node. * usage() - Show program usage... * write_description() - Write the description text. * write_element() - Write an element's text nodes. * write_file() - Copy a file to the output. * write_function() - Write documentation for a function. * write_html() - Write HTML documentation. * write_html_head() - Write the standard HTML header. * write_man() - Write manpage documentation. * write_scu() - Write a structure, class, or union. * write_string() - Write a string, quoting HTML special chars as needed. * write_toc() - Write a table-of-contents. * write_tokens() - Write <Token> nodes for all APIs. * ws_cb() - Whitespace callback for saving. */ /* * Include necessary headers... */ #include "config.h" #include "mxml.h" #include <time.h> #include <sys/stat.h> #ifndef WIN32 # include <dirent.h> # include <unistd.h> # include <spawn.h> # include <sys/wait.h> extern char **environ; #endif /* !WIN32 */ /* * This program scans source and header files and produces public API * documentation for code that conforms to the CUPS Configuration * Management Plan (CMP) coding standards. Please see the following web * page for details: * * http://www.cups.org/cmp.html * * Using Mini-XML, this program creates and maintains an XML representation * of the public API code documentation which can then be converted to HTML * as desired. The following is a poor-man's schema: * * <?xml version="1.0"?> * <mxmldoc xmlns="http://www.easysw.com" * xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" * xsi:schemaLocation="http://www.minixml.org/mxmldoc.xsd"> * * <namespace name=""> [optional...] * <constant name=""> * <description>descriptive text</description> * </constant> * * <enumeration name=""> * <description>descriptive text</description> * <constant name="">...</constant> * </enumeration> * * <typedef name=""> * <description>descriptive text</description> * <type>type string</type> * </typedef> * * <function name="" scope=""> * <description>descriptive text</description> * <argument name="" direction="I|O|IO" default=""> * <description>descriptive text</description> * <type>type string</type> * </argument> * <returnvalue> * <description>descriptive text</description> * <type>type string</type> * </returnvalue> * <seealso>function names separated by spaces</seealso> * </function> * * <variable name="" scope=""> * <description>descriptive text</description> * <type>type string</type> * </variable> * * <struct name=""> * <description>descriptive text</description> * <variable name="">...</variable> * <function name="">...</function> * </struct> * * <union name=""> * <description>descriptive text</description> * <variable name="">...</variable> * </union> * * <class name="" parent=""> * <description>descriptive text</description> * <class name="">...</class> * <enumeration name="">...</enumeration> * <function name="">...</function> * <struct name="">...</struct> * <variable name="">...</variable> * </class> * </namespace> * </mxmldoc> */ /* * Basic states for file parser... */ #define STATE_NONE 0 /* No state - whitespace, etc. */ #define STATE_PREPROCESSOR 1 /* Preprocessor directive */ #define STATE_C_COMMENT 2 /* Inside a C comment */ #define STATE_CXX_COMMENT 3 /* Inside a C++ comment */ #define STATE_STRING 4 /* Inside a string constant */ #define STATE_CHARACTER 5 /* Inside a character constant */ #define STATE_IDENTIFIER 6 /* Inside a keyword/identifier */ /* * Output modes... */ #define OUTPUT_NONE 0 /* No output */ #define OUTPUT_HTML 1 /* Output HTML */ #define OUTPUT_XML 2 /* Output XML */ #define OUTPUT_MAN 3 /* Output nroff/man */ #define OUTPUT_TOKENS 4 /* Output docset Tokens.xml file */ /* * Local functions... */ static mxml_node_t *add_variable(mxml_node_t *parent, const char *name, mxml_node_t *type); static mxml_node_t *find_public(mxml_node_t *node, mxml_node_t *top, const char *name); static char *get_comment_info(mxml_node_t *description); static char *get_text(mxml_node_t *node, char *buffer, int buflen); static mxml_type_t load_cb(mxml_node_t *node); static mxml_node_t *new_documentation(mxml_node_t **mxmldoc); static int remove_directory(const char *path); static void safe_strcpy(char *dst, const char *src); static int scan_file(const char *filename, FILE *fp, mxml_node_t *doc); static void sort_node(mxml_node_t *tree, mxml_node_t *func); static void update_comment(mxml_node_t *parent, mxml_node_t *comment); static void usage(const char *option); static void write_description(FILE *out, mxml_node_t *description, const char *element, int summary); static void write_element(FILE *out, mxml_node_t *doc, mxml_node_t *element, int mode); static void write_file(FILE *out, const char *file); static void write_function(FILE *out, mxml_node_t *doc, mxml_node_t *function, int level); static void write_html(const char *section, const char *title, const char *footerfile, const char *headerfile, const char *introfile, const char *cssfile, const char *framefile, const char *docset, const char *docversion, const char *feedname, const char *feedurl, mxml_node_t *doc); static void write_html_head(FILE *out, const char *section, const char *title, const char *cssfile); static void write_man(const char *man_name, const char *section, const char *title, const char *headerfile, const char *footerfile, const char *introfile, mxml_node_t *doc); static void write_scu(FILE *out, mxml_node_t *doc, mxml_node_t *scut); static void write_string(FILE *out, const char *s, int mode); static void write_toc(FILE *out, mxml_node_t *doc, const char *introfile, const char *target, int xml); static void write_tokens(FILE *out, mxml_node_t *doc, const char *path); static const char *ws_cb(mxml_node_t *node, int where); /* * 'main()' - Main entry for test program. */ int /* O - Exit status */ main(int argc, /* I - Num