mirror of
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306 lines
11 KiB
C
306 lines
11 KiB
C
/*
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* "$Id: mxml.h 307 2007-09-15 20:03:15Z mike $"
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*
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* Header file for Mini-XML, a small XML-like file parsing library.
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*
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* Copyright 2003-2007 by Michael Sweet.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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/*
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* Prevent multiple inclusion...
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*/
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#ifndef _mxml_h_
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# define _mxml_h_
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/*
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* Include necessary headers...
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*/
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# include <stdio.h>
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# include <stdlib.h>
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# include <string.h>
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# include <ctype.h>
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# include <errno.h>
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/*
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* Constants...
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*/
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# define MXML_TAB 8 /* Tabs every N columns */
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# define MXML_NO_CALLBACK 0 /* Don't use a type callback */
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# define MXML_INTEGER_CALLBACK mxml_integer_cb
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/* Treat all data as integers */
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# define MXML_OPAQUE_CALLBACK mxml_opaque_cb
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/* Treat all data as opaque */
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# define MXML_REAL_CALLBACK mxml_real_cb
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/* Treat all data as real numbers */
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# define MXML_TEXT_CALLBACK 0 /* Treat all data as text */
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# define MXML_IGNORE_CALLBACK mxml_ignore_cb
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/* Ignore all non-element content */
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# define MXML_NO_PARENT 0 /* No parent for the node */
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# define MXML_DESCEND 1 /* Descend when finding/walking */
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# define MXML_NO_DESCEND 0 /* Don't descend when finding/walking */
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# define MXML_DESCEND_FIRST -1 /* Descend for first find */
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# define MXML_WS_BEFORE_OPEN 0 /* Callback for before open tag */
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# define MXML_WS_AFTER_OPEN 1 /* Callback for after open tag */
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# define MXML_WS_BEFORE_CLOSE 2 /* Callback for before close tag */
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# define MXML_WS_AFTER_CLOSE 3 /* Callback for after close tag */
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# define MXML_ADD_BEFORE 0 /* Add node before specified node */
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# define MXML_ADD_AFTER 1 /* Add node after specified node */
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# define MXML_ADD_TO_PARENT NULL /* Add node relative to parent */
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/*
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* Data types...
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*/
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typedef enum mxml_sax_event_e /**** SAX event type. ****/
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{
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MXML_SAX_CDATA, /* CDATA node */
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MXML_SAX_COMMENT, /* Comment node */
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MXML_SAX_DATA, /* Data node */
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MXML_SAX_DIRECTIVE, /* Processing directive node */
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MXML_SAX_ELEMENT_CLOSE, /* Element closed */
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MXML_SAX_ELEMENT_OPEN /* Element opened */
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} mxml_sax_event_t;
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typedef enum mxml_type_e /**** The XML node type. ****/
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{
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MXML_IGNORE = -1, /* Ignore/throw away node @since Mini-XML 2.3@ */
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MXML_ELEMENT, /* XML element with attributes */
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MXML_INTEGER, /* Integer value */
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MXML_OPAQUE, /* Opaque string */
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MXML_REAL, /* Real value */
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MXML_TEXT, /* Text fragment */
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MXML_CUSTOM /* Custom data @since Mini-XML 2.1@ */
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} mxml_type_t;
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typedef void (*mxml_custom_destroy_cb_t)(void *);
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/**** Custom data destructor ****/
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typedef void (*mxml_error_cb_t)(const char *);
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/**** Error callback function ****/
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typedef struct mxml_attr_s /**** An XML element attribute value. ****/
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{
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char *name; /* Attribute name */
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char *value; /* Attribute value */
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} mxml_attr_t;
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typedef struct mxml_element_s /**** An XML element value. ****/
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{
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char *name; /* Name of element */
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int num_attrs; /* Number of attributes */
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mxml_attr_t *attrs; /* Attributes */
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} mxml_element_t;
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typedef struct mxml_text_s /**** An XML text value. ****/
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{
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int whitespace; /* Leading whitespace? */
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char *string; /* Fragment string */
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} mxml_text_t;
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typedef struct mxml_custom_s /**** An XML custom value. @since Mini-XML 2.1@ ****/
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{
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void *data; /* Pointer to (allocated) custom data */
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mxml_custom_destroy_cb_t destroy; /* Pointer to destructor function */
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} mxml_custom_t;
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typedef union mxml_value_u /**** An XML node value. ****/
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{
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mxml_element_t element; /* Element */
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int integer; /* Integer number */
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char *opaque; /* Opaque string */
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double real; /* Real number */
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mxml_text_t text; /* Text fragment */
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mxml_custom_t custom; /* Custom data @since Mini-XML 2.1@ */
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} mxml_value_t;
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typedef struct mxml_node_s /**** An XML node. ****/
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{
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mxml_type_t type; /* Node type */
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struct mxml_node_s *next; /* Next node under same parent */
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struct mxml_node_s *prev; /* Previous node under same parent */
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struct mxml_node_s *parent; /* Parent node */
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struct mxml_node_s *child; /* First child node */
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struct mxml_node_s *last_child; /* Last child node */
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mxml_value_t value; /* Node value */
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int ref_count; /* Use count */
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void *user_data; /* User data */
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} mxml_node_t;
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typedef struct mxml_index_s /**** An XML node index. ****/
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{
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char *attr; /* Attribute used for indexing or NULL */
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int num_nodes; /* Number of nodes in index */
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int alloc_nodes; /* Allocated nodes in index */
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int cur_node; /* Current node */
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mxml_node_t **nodes; /* Node array */
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} mxml_index_t;
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typedef int (*mxml_custom_load_cb_t)(mxml_node_t *, const char *);
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/**** Custom data load callback function ****/
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typedef char *(*mxml_custom_save_cb_t)(mxml_node_t *);
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/**** Custom data save callback function ****/
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typedef mxml_type_t (*mxml_load_cb_t)(mxml_node_t *);
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/**** Load callback function ****/
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typedef const char *(*mxml_save_cb_t)(mxml_node_t *, int);
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/**** Save callback function ****/
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typedef void (*mxml_sax_cb_t)(mxml_node_t *, mxml_sax_event_t, void *);
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/**** SAX callback function ****/
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/*
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* C++ support...
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*/
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# ifdef __cplusplus
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extern "C" {
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# endif /* __cplusplus */
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/*
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* Prototypes...
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*/
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extern void mxmlAdd(mxml_node_t *parent, int where,
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mxml_node_t *child, mxml_node_t *node);
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extern void mxmlDelete(mxml_node_t *node);
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extern void mxmlElementDeleteAttr(mxml_node_t *node,
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const char *name);
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extern const char *mxmlElementGetAttr(mxml_node_t *node, const char *name);
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extern void mxmlElementSetAttr(mxml_node_t *node, const char *name,
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const char *value);
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extern void mxmlElementSetAttrf(mxml_node_t *node, const char *name,
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const char *format, ...)
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# ifdef __GNUC__
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__attribute__ ((__format__ (__printf__, 3, 4)))
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# endif /* __GNUC__ */
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;
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extern int mxmlEntityAddCallback(int (*cb)(const char *name));
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extern const char *mxmlEntityGetName(int val);
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extern int mxmlEntityGetValue(const char *name);
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extern void mxmlEntityRemoveCallback(int (*cb)(const char *name));
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extern mxml_node_t *mxmlFindElement(mxml_node_t *node, mxml_node_t *top,
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const char *name, const char *attr,
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const char *value, int descend);
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extern void mxmlIndexDelete(mxml_index_t *ind);
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extern mxml_node_t *mxmlIndexEnum(mxml_index_t *ind);
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extern mxml_node_t *mxmlIndexFind(mxml_index_t *ind,
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const char *element,
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const char *value);
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extern mxml_index_t *mxmlIndexNew(mxml_node_t *node, const char *element,
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const char *attr);
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extern mxml_node_t *mxmlIndexReset(mxml_index_t *ind);
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extern mxml_node_t *mxmlLoadFd(mxml_node_t *top, int fd,
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mxml_type_t (*cb)(mxml_node_t *));
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extern mxml_node_t *mxmlLoadFile(mxml_node_t *top, FILE *fp,
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mxml_type_t (*cb)(mxml_node_t *));
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extern mxml_node_t *mxmlLoadString(mxml_node_t *top, const char *s,
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mxml_type_t (*cb)(mxml_node_t *));
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extern mxml_node_t *mxmlNewCDATA(mxml_node_t *parent, const char *string);
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extern mxml_node_t *mxmlNewCustom(mxml_node_t *parent, void *data,
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mxml_custom_destroy_cb_t destroy);
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extern mxml_node_t *mxmlNewElement(mxml_node_t *parent, const char *name);
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extern mxml_node_t *mxmlNewInteger(mxml_node_t *parent, int integer);
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extern mxml_node_t *mxmlNewOpaque(mxml_node_t *parent, const char *opaque);
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extern mxml_node_t *mxmlNewReal(mxml_node_t *parent, double real);
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extern mxml_node_t *mxmlNewText(mxml_node_t *parent, int whitespace,
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const char *string);
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extern mxml_node_t *mxmlNewTextf(mxml_node_t *parent, int whitespace,
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const char *format, ...)
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# ifdef __GNUC__
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__attribute__ ((__format__ (__printf__, 3, 4)))
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# endif /* __GNUC__ */
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;
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extern mxml_node_t *mxmlNewXML(const char *version);
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extern int mxmlRelease(mxml_node_t *node);
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extern void mxmlRemove(mxml_node_t *node);
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extern int mxmlRetain(mxml_node_t *node);
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extern char *mxmlSaveAllocString(mxml_node_t *node,
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mxml_save_cb_t cb);
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extern int mxmlSaveFd(mxml_node_t *node, int fd,
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mxml_save_cb_t cb);
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extern int mxmlSaveFile(mxml_node_t *node, FILE *fp,
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mxml_save_cb_t cb);
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extern int mxmlSaveString(mxml_node_t *node, char *buffer,
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int bufsize, mxml_save_cb_t cb);
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extern mxml_node_t *mxmlSAXLoadFd(mxml_node_t *top, int fd,
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mxml_type_t (*cb)(mxml_node_t *),
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mxml_sax_cb_t sax, void *sax_data);
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extern mxml_node_t *mxmlSAXLoadFile(mxml_node_t *top, FILE *fp,
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mxml_type_t (*cb)(mxml_node_t *),
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mxml_sax_cb_t sax, void *sax_data);
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extern mxml_node_t *mxmlSAXLoadString(mxml_node_t *top, const char *s,
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mxml_type_t (*cb)(mxml_node_t *),
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mxml_sax_cb_t sax, void *sax_data);
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extern int mxmlSetCDATA(mxml_node_t *node, const char *data);
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extern int mxmlSetCustom(mxml_node_t *node, void *data,
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mxml_custom_destroy_cb_t destroy);
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extern void mxmlSetCustomHandlers(mxml_custom_load_cb_t load,
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mxml_custom_save_cb_t save);
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extern int mxmlSetElement(mxml_node_t *node, const char *name);
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extern void mxmlSetErrorCallback(mxml_error_cb_t cb);
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extern int mxmlSetInteger(mxml_node_t *node, int integer);
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extern int mxmlSetOpaque(mxml_node_t *node, const char *opaque);
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extern int mxmlSetReal(mxml_node_t *node, double real);
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extern int mxmlSetText(mxml_node_t *node, int whitespace,
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const char *string);
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extern int mxmlSetTextf(mxml_node_t *node, int whitespace,
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const char *format, ...)
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# ifdef __GNUC__
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__attribute__ ((__format__ (__printf__, 3, 4)))
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# endif /* __GNUC__ */
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;
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extern void mxmlSetWrapMargin(int column);
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extern mxml_node_t *mxmlWalkNext(mxml_node_t *node, mxml_node_t *top,
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int descend);
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extern mxml_node_t *mxmlWalkPrev(mxml_node_t *node, mxml_node_t *top,
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int descend);
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/*
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* Semi-private functions...
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*/
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extern void mxml_error(const char *format, ...);
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extern mxml_type_t mxml_ignore_cb(mxml_node_t *node);
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extern mxml_type_t mxml_integer_cb(mxml_node_t *node);
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extern mxml_type_t mxml_opaque_cb(mxml_node_t *node);
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extern mxml_type_t mxml_real_cb(mxml_node_t *node);
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/*
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* C++ support...
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*/
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# ifdef __cplusplus
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}
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# endif /* __cplusplus */
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#endif /* !_mxml_h_ */
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/*
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* End of "$Id: mxml.h 307 2007-09-15 20:03:15Z mike $".
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*/
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