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/*
* libpinyin
* Library to deal with pinyin.
*
* Copyright (C) 2010 Peng Wu
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef TAG_UTILITY_H
#define TAG_UTILITY_H
/* Note: the optional tag has been removed from the first implementation.
* Maybe the optional tag will be added back later.
*/
bool taglib_init();
/* Note: most string array (const char *) are null pointer terminated. */
bool taglib_add_tag(int line_type, const char * line_tag, int num_of_values, const char * required_tags[], const char * ignored_tags[]);
/* most parameters are hash table of string (const char *).
* "..." special token handling is also omitted from the first implementation.
*/
bool taglib_read(const char * input_line, int & line_type, GPtrArray * values, GHashTable * required);
/* Note: taglib_write is omited, as printf is more suitable for this. */
/* Note the following function is only available when the optional tag exists.
* bool taglib_report_status(int line_type);
*/
/* remove the tag of type line_type. */
bool taglib_remove_tag(int line_type);
/* the following functions are used to save current known tag list in stack.
* Used when the parsing context is changed.
*/
bool taglib_push_state();
bool taglib_pop_state();
bool taglib_fini();
/* Useful macros to ease taglib_add_tag call,
* or else need to use C++0x-features.
*/
#define TAGLIB_BEGIN_ADD_TAG(line_type, line_tag, num_of_values) \
{ \
int line_type_saved = line_type; \
const char * line_tag_saved = line_tag; \
int num_of_values_saved = num_of_values; \
;
#define TAGLIB_REQUIRED_TAGS const char * required_tags_saved[]
/* #define TAGLIB_OPTIONAL_TAGS const char * optional_tags_saved[] */
#define TAGLIB_IGNORED_TAGS const char * ignored_tags_saved[]
#define TAGLIB_END_ADD_TAG \
assert(taglib_add_tag(line_type_saved, line_tag_saved, \
num_of_values_saved, \
required_tags_saved, ignored_tags_saved)); \
};
#endif
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