/*
* This file is part of libdom.
* Licensed under the MIT License,
* http://www.opensource.org/licenses/mit-license.php
* Copyright 2009 Bo Yang <struggleyb.nku@gmail.com>
*
* This file contains the API used to validate whether certain character in
* name/value is legal according the XML 1.0 standard. See
*
* http://www.w3.org/TR/2004/REC-xml-20040204/
* http://www.w3.org/TR/REC-xml/
*
* for detail.
*/
#ifndef dom_utils_character_valid_h_
#define dom_utils_character_valid_h_
#include <stdbool.h>
#include <stdlib.h>
struct xml_char_range {
unsigned int start;
unsigned int end;
};
struct xml_char_group {
size_t len;
const struct xml_char_range *range;
};
/* The groups */
extern const struct xml_char_group base_char_group;
extern const struct xml_char_group char_group;
extern const struct xml_char_group combining_char_group;
extern const struct xml_char_group digit_char_group;
extern const struct xml_char_group extender_group;
extern const struct xml_char_group ideographic_group;
bool _dom_is_character_in_group(unsigned int ch,
const struct xml_char_group *group);
#define is_base_char(ch) _dom_is_character_in_group((ch), &base_char_group)
#define is_char(ch) _dom_is_character_in_group((ch), &char_group)
#define is_combining_char(ch) _dom_is_character_in_group((ch), \
&combining_char_group)
#define is_digit(ch) _dom_is_character_in_group((ch), &digit_char_group)
#define is_extender(ch) _dom_is_character_in_group((ch), &extender_group)
#define is_ideographic(ch) _dom_is_character_in_group((ch), &ideographic_group)
#define is_letter(ch) (is_base_char(ch) || is_ideographic(ch))
#endif