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/*
* "$Id: mxml.h,v 1.1 2004/09/17 18:38:01 rleigh Exp $"
*
* Header file for mini-XML, a small XML-like file parsing library.
*
* Copyright 2003 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.
*/
/**
* @file gutenprint/mxml.h
* @brief Mini-XML XML parsing functions.
*/
/*
* Prevent multiple inclusion...
*/
#ifndef GUTENPRINT_MXML_H
# define GUTENPRINT_MXML_H
/*
* Include necessary headers...
*/
# include <stdio.h>
# include <stdlib.h>
# include <string.h>
# include <ctype.h>
# include <errno.h>
/*
* Constants...
*/
# define STP_MXML_WRAP 70 /* Wrap XML output at this column position */
# define STP_MXML_TAB 8 /* Tabs every N columns */
# define STP_MXML_NO_CALLBACK 0 /* Don't use a type callback */
# define STP_MXML_NO_PARENT 0 /* No parent for the node */
# define STP_MXML_DESCEND 1 /* Descend when finding/walking */
# define STP_MXML_NO_DESCEND 0 /* Don't descend when finding/walking */
# define STP_MXML_DESCEND_FIRST -1 /* Descend for first find */
# define STP_MXML_WS_BEFORE_OPEN 0 /* Callback for before open tag */
# define STP_MXML_WS_AFTER_OPEN 1 /* Callback for after open tag */
# define STP_MXML_WS_BEFORE_CLOSE 2 /* Callback for before close tag */
# define STP_MXML_WS_AFTER_CLOSE 3 /* Callback for after close tag */
# define STP_MXML_ADD_BEFORE 0 /* Add node before specified node */
# define STP_MXML_ADD_AFTER 1 /* Add node after specified node */
# define STP_MXML_ADD_TO_PARENT NULL /* Add node relative to parent */
/*
* Data types...
*/
typedef enum stp_mxml_type_e /**** The XML node type. ****/
{
STP_MXML_ELEMENT, /* XML element with attributes */
STP_MXML_INTEGER, /* Integer value */
STP_MXML_OPAQUE, /* Opaque string */
STP_MXML_REAL, /* Real value */
STP_MXML_TEXT /* Text fragment */
} stp_mxml_type_t;
typedef struct stp_mxml_attr_s /**** An XML element attribute value. ****/
{
char *name; /* Attribute name */
char *value; /* Attribute value */
} stp_mxml_attr_t;
typedef struct stp_mxml_value_s /**** An XML element value. ****/
{
char *name; /* Name of element */
int num_attrs; /* Number of attributes */
stp_mxml_attr_t *attrs; /* Attributes */
} stp_mxml_element_t;
typedef struct stp_mxml_text_s /**** An XML text value. ****/
{
int whitespace; /* Leading whitespace? */
char *string; /* Fragment string */
} stp_mxml_text_t;
typedef union stp_mxml_value_u /**** An XML node value. ****/
{
stp_mxml_element_t element; /* Element */
int integer; /* Integer number */
char *opaque; /* Opaque string */
double real; /* Real number */
stp_mxml_text_t text; /* Text fragment */
} stp_mxml_value_t;
typedef struct stp_mxml_node_s stp_mxml_node_t; /**** An XML node. ****/
struct stp_mxml_node_s /**** An XML node. ****/
{
stp_mxml_type_t type; /* Node type */
stp_mxml_node_t *next; /* Next node under same parent */
stp_mxml_node_t *prev; /* Previous node under same parent */
stp_mxml_node_t *parent; /* Parent node */
stp_mxml_node_t *child; /* First child node */
stp_mxml_node_t *last_child; /* Last child node */
stp_mxml_value_t value; /* Node value */
};
/*
* C++ support...
*/
# ifdef __cplusplus
extern "C" {
# endif /* __cplusplus */
/*
* Prototypes...
*/
extern void stp_mxmlAdd(stp_mxml_node_t *parent, int where,
stp_mxml_node_t *child, stp_mxml_node_t *node);
extern void stp_mxmlDelete(stp_mxml_node_t *node);
extern const char *stp_mxmlElementGetAttr(stp_mxml_node_t *node, const char *name);
extern void stp_mxmlElementSetAttr(stp_mxml_node_t *node, const char *name,
const char *value);
extern stp_mxml_node_t *stp_mxmlFindElement(stp_mxml_node_t *node, stp_mxml_node_t *top,
const char *name, const char *attr,
const char *value, int descend);
extern stp_mxml_node_t *stp_mxmlLoadFile(stp_mxml_node_t *top, FILE *fp,
stp_mxml_type_t (*cb)(stp_mxml_node_t *));
extern stp_mxml_node_t *stp_mxmlLoadString(stp_mxml_node_t *top, const char *s,
stp_mxml_type_t (*cb)(stp_mxml_node_t *));
extern stp_mxml_node_t *stp_mxmlNewElement(stp_mxml_node_t *parent, const char *name);
extern stp_mxml_node_t *stp_mxmlNewInteger(stp_mxml_node_t *parent, int integer);
extern stp_mxml_node_t *stp_mxmlNewOpaque(stp_mxml_node_t *parent, const char *opaque);
extern stp_mxml_node_t *stp_mxmlNewReal(stp_mxml_node_t *parent, double real);
extern stp_mxml_node_t *stp_mxmlNewText(stp_mxml_node_t *parent, int whitespace,
const char *string);
extern void stp_mxmlRemove(stp_mxml_node_t *node);
extern char *stp_mxmlSaveAllocString(stp_mxml_node_t *node,
int (*cb)(stp_mxml_node_t *, int));
extern int stp_mxmlSaveFile(stp_mxml_node_t *node, FILE *fp,
int (*cb)(stp_mxml_node_t *, int));
extern int stp_mxmlSaveString(stp_mxml_node_t *node, char *buffer,
int bufsize,
int (*cb)(stp_mxml_node_t *, int));
extern stp_mxml_node_t *stp_mxmlWalkNext(stp_mxml_node_t *node, stp_mxml_node_t *top,
int descend);
extern stp_mxml_node_t *stp_mxmlWalkPrev(stp_mxml_node_t *node, stp_mxml_node_t *top,
int descend);
/*
* C++ support...
*/
# ifdef __cplusplus
}
# endif /* __cplusplus */
#endif /* !GUTENPRINT_MXML_H */
/*
* End of "$Id: mxml.h,v 1.1 2004/09/17 18:38:01 rleigh Exp $".
*/
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