mxml/mxml-private.h

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//
// Private definitions for Mini-XML, a small XML file parsing library.
//
// https://www.msweet.org/mxml
//
// Copyright © 2003-2024 by Michael R Sweet.
//
// Licensed under Apache License v2.0. See the file "LICENSE" for more
// information.
//
#ifndef MXML_PRIVATE_H
# define MXML_PRIVATE_H
# include "config.h"
# include "mxml.h"
# include <locale.h>
//
// Private macros...
//
# ifdef DEBUG
# define MXML_DEBUG(...) fprintf(stderr, __VA_ARGS__)
# else
# define MXML_DEBUG(...)
# endif // DEBUG
# define MXML_TAB 8 // Tabs every N columns
//
// Private structures...
//
typedef struct _mxml_attr_s // An XML element attribute value.
{
char *name; // Attribute name
char *value; // Attribute value
} _mxml_attr_t;
typedef struct _mxml_element_s // An XML element value.
{
char *name; // Name of element
size_t num_attrs; // Number of attributes
_mxml_attr_t *attrs; // Attributes
} _mxml_element_t;
typedef struct _mxml_text_s // An XML text value.
{
bool whitespace; // Leading whitespace?
char *string; // Fragment string
} _mxml_text_t;
typedef struct _mxml_custom_s // An XML custom value.
{
void *data; // Pointer to (allocated) custom data
mxml_custfree_cb_t free_cb; // Free callback function
void *free_cbdata; // Free callback data
} _mxml_custom_t;
typedef union _mxml_value_u // An XML node value.
{
char *cdata; // CDATA string
char *comment; // Common string
char *declaration; // Declaration string
char *directive; // Processing instruction string
_mxml_element_t element; // Element
long integer; // Integer number
char *opaque; // Opaque string
double real; // Real number
_mxml_text_t text; // Text fragment
_mxml_custom_t custom; // Custom data
} _mxml_value_t;
struct _mxml_node_s // An XML node.
{
mxml_type_t type; // Node type
struct _mxml_node_s *next; // Next node under same parent
struct _mxml_node_s *prev; // Previous node under same parent
struct _mxml_node_s *parent; // Parent node
struct _mxml_node_s *child; // First child node
struct _mxml_node_s *last_child; // Last child node
_mxml_value_t value; // Node value
size_t ref_count; // Use count
void *user_data; // User data
};
typedef struct _mxml_global_s // Global, per-thread data
{
mxml_strcopy_cb_t strcopy_cb; // String copy callback function
mxml_strfree_cb_t strfree_cb; // String free callback function
void *str_cbdata; // String callback data
} _mxml_global_t;
struct _mxml_index_s // An XML node index.
{
char *attr; // Attribute used for indexing or NULL
size_t num_nodes; // Number of nodes in index
size_t alloc_nodes; // Allocated nodes in index
size_t cur_node; // Current node
mxml_node_t **nodes; // Node array
};
struct _mxml_options_s // XML options
{
struct lconv *loc; // Locale data
size_t loc_declen; // Length of decimal point string
mxml_custload_cb_t custload_cb; // Custom load callback function
mxml_custsave_cb_t custsave_cb; // Custom save callback function
void *cust_cbdata; // Custom callback data
mxml_entity_cb_t entity_cb; // Entity callback function
void *entity_cbdata; // Entity callback data
mxml_error_cb_t error_cb; // Error callback function
void *error_cbdata; // Error callback data
mxml_sax_cb_t sax_cb; // SAX callback function
void *sax_cbdata; // SAX callback data
mxml_type_cb_t type_cb; // Type callback function
void *type_cbdata; // Type callback data
mxml_type_t type_value; // Fixed type value (if no type callback)
int wrap; // Wrap margin
mxml_ws_cb_t ws_cb; // Whitespace callback function
void *ws_cbdata; // Whitespace callback data
};
//
// Private functions...
//
extern _mxml_global_t *_mxml_global(void);
extern const char *_mxml_entity_string(int ch);
extern int _mxml_entity_value(mxml_options_t *options, const char *name);
extern void _mxml_error(mxml_options_t *options, const char *format, ...) MXML_FORMAT(2,3);
extern char *_mxml_strcopy(const char *s);
extern void _mxml_strfree(char *s);
#endif // !MXML_PRIVATE_H