/*
 * Copyright (C) 2000, 2001, 2002 Loic Dachary <loic@senga.org>
 *
 * 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.
 */

/*
 * Provides functions to strip accents from a string in all the
 * charset supported by iconv(3).
 *
 * See the unac(3) manual page for more information.
 *
 */

#ifndef _unac_h
#define _unac_h

#ifdef __cplusplus
extern "C" {
#endif

/* Generated by builder. Do not modify. Start defines */
#define UNAC_BLOCK_SHIFT 4
#define UNAC_BLOCK_MASK ((1 << UNAC_BLOCK_SHIFT) - 1)
#define UNAC_BLOCK_SIZE (1 << UNAC_BLOCK_SHIFT)
#define UNAC_BLOCK_COUNT 315
#define UNAC_INDEXES_SIZE (0x10000 >> UNAC_BLOCK_SHIFT)
/* Generated by builder. Do not modify. End defines */

/*
 * Return the unaccented equivalent of the UTF-16 character <c>
 * in the pointer <p>. The length of the unsigned short array pointed
 * by <p> is returned in the <l> argument.
 * The C++ prototype of this macro would be:
 *
 * void unac_char(const unsigned short c, unsigned short*& p, int& l)
 *
 * See unac(3) in IMPLEMENTATION NOTES for more information about the
 * tables (unac_data_table, unac_positions) layout.
 */ 
#define unac_char_utf16(c,p,l) \
  { \
    unsigned short index = unac_indexes[(c) >> UNAC_BLOCK_SHIFT]; \
    unsigned char position = 2*((c) & UNAC_BLOCK_MASK);	          \
    (p) = &(unac_data_table[index][unac_positions[index][position]]); \
    (l) = unac_positions[index][position + 1] - unac_positions[index][position]; \
    if((l) == 1 && *(p) == 0xFFFF) { \
      (p) = 0; \
      (l) = 0; \
    } \
  }

/*
 * Save as unac_ but case-folded
 */ 
#define unacfold_char_utf16(c,p,l)					\
    {									\
	unsigned short index = unac_indexes[(c) >> UNAC_BLOCK_SHIFT];	\
	unsigned char position = 2*((c) & UNAC_BLOCK_MASK)+1;		\
	(p) = &(unac_data_table[index][unac_positions[index][position]]); \
	(l) = unac_positions[index][position + 1] - unac_positions[index][position]; \
	if((l) == 1 && *(p) == 0xFFFF) {				\
	    (p) = 0;							\
	    (l) = 0;							\
	}								\
    }

/*
 * Return the unaccented equivalent of the UTF-16 string <in> of
 * length <in_length> in the pointer <out>. The length of the UTF-16
 * string returned in <out> is stored in <out_length>. If the pointer
 * *out is null, a new string is allocated using malloc(3). If the
 * pointer *out is not null, the available length must also be given
 * in the *out_length argument.  The pointer passed to *out must have
 * been allocated by malloc(3) and may be reallocated by realloc(3) if
 * needs be. It is the responsibility of the caller to free the
 * pointer returned in *out.  The return value is 0 on success and -1
 * on error, in which case the errno variable is set to the
 * corresponding error code.
 */
int unac_string_utf16(const char* in, size_t in_length,
		char** out, size_t* out_length);
int unacfold_string_utf16(const char* in, size_t in_length,
			  char** out, size_t* out_length);

/*
 * The semantic of this function is stricly equal to the function
 * unac_string_utf16. The <charset> argument applies to the content of the
 * input string. It is converted to UTF-16 using iconv(3) before calling
 * the unac_string function and the result is converted from UTF-16 to
 * the specified <charset> before returning it in the <out> pointer.
 * For efficiency purpose it is recommended that the caller uses
 * unac_string and iconv(3) to save buffer allocations overhead. 
 * The return value is 0 on success and -1 on error, in which case
 * the errno variable is set to the corresponding error code.
 */
int unac_string(const char* charset,
		const char* in, size_t in_length,
		char** out, size_t* out_length);
int unacfold_string(const char* charset,
		const char* in, size_t in_length,
		char** out, size_t* out_length);

/*
 * Return unac version number.
 */
const char* unac_version(void);

#define UNAC_DEBUG_NONE	0x00
#define UNAC_DEBUG_LOW	0x01
#define UNAC_DEBUG_HIGH 0x02

#ifdef HAVE_VSNPRINTF
#define UNAC_DEBUG_AVAILABLE 1
/*
 * Set the unac debug level. <l> is one of:
 * UNAC_DEBUG_NONE for no debug messages at all
 * UNAC_DEBUG_LOW for minimal information
 * UNAC_DEBUG_HIGH for extremely verbose information,
 *                 only usable when translating a few short strings.
 *
 * unac_debug with anything but UNAC_DEBUG_NONE is not
 * thread safe.
 */
#define unac_debug(l) unac_debug_callback((l), 0, (void*)0);

/*
 * Set the debug level and define a printing function callback.
 * The <level> debug level is the same as in unac_debug. The
 * <function> is in charge of dealing with the debug messages,
 * presumably to print them to the user. The <data> is an opaque
 * pointer that is passed along to <function>, should it
 * need to manage a persistent context.
 *
 * The prototype of <function> allows two arguments. The first
 * is the debug message (const char*), the second is the opaque
 * pointer given as <data> argument to unac_debug_callback.
 *
 * If <function> is NULL, messages are printed on the standard
 * error output using fprintf(stderr...).
 * 
 * unac_debug_callback with anything but UNAC_DEBUG_NONE is not
 * thread safe.
 *
 */
typedef void (*unac_debug_print_t)(const char* message, void* data);
void unac_debug_callback(int level, unac_debug_print_t function, void* data);
#endif /* HAVE_VSNPRINTF */

/* Generated by builder. Do not modify. Start declarations */
extern unsigned short unac_indexes[UNAC_INDEXES_SIZE];
extern unsigned char unac_positions[UNAC_BLOCK_COUNT][2*UNAC_BLOCK_SIZE + 1];
extern unsigned short* unac_data_table[UNAC_BLOCK_COUNT];
extern unsigned short unac_data0[];
extern unsigned short unac_data1[];
extern unsigned short unac_data2[];
extern unsigned short unac_data3[];
extern unsigned short unac_data4[];
extern unsigned short unac_data5[];
extern unsigned short unac_data6[];
extern unsigned short unac_data7[];
extern unsigned short unac_data8[];
extern unsigned short unac_data9[];
extern unsigned short unac_data10[];
extern unsigned short unac_data11[];
extern unsigned short unac_data12[];
extern unsigned short unac_data13[];
extern unsigned short unac_data14[];
extern unsigned short unac_data15[];
extern unsigned short unac_data16[];
extern unsigned short unac_data17[];
extern unsigned short unac_data18[];
extern unsigned short unac_data19[];
extern unsigned short unac_data20[];
extern unsigned short unac_data21[];
extern unsigned short unac_data22[];
extern unsigned short unac_data23[];
extern unsigned short unac_data24[];
extern unsigned short unac_data25[];
extern unsigned short unac_data26[];
extern unsigned short unac_data27[];
extern unsigned short unac_data28[];
extern unsigned short unac_data29[];
extern unsigned short unac_data30[];
extern unsigned short unac_data31[];
extern unsigned short unac_data32[];
extern unsigned short unac_data33[];
extern unsigned short unac_data34[];
extern unsigned short unac_data35[];
extern unsigned short unac_data36[];
extern unsigned short unac_data37[];
extern unsigned short unac_data38[];
extern unsigned short unac_data39[];
extern unsigned short unac_data40[];
extern unsigned short unac_data41[];
extern unsigned short unac_data42[];
extern unsigned short unac_data43[];
extern unsigned short unac_data44[];
extern unsigned short unac_data45[];
extern unsigned short unac_data46[];
extern unsigned short unac_data47[];
extern unsigned short unac_data48[];
extern unsigned short unac_data49[];
extern unsigned short unac_data50[];
extern unsigned short unac_data51[];
extern unsigned short unac_data52[];
extern unsigned short unac_data53[];
extern unsigned short unac_data54[];
extern unsigned short unac_data55[];
extern unsigned short unac_data56[];
extern unsigned short unac_data57[];
extern unsigned short unac_data58[];
extern unsigned short unac_data59[];
extern unsigned short unac_data60[];
extern unsigned short unac_data61[];
extern unsigned short unac_data62[];
extern unsigned short unac_data63[];
extern unsigned short unac_data64[];
extern unsigned short unac_data65[];
extern unsigned short unac_data66[];
extern unsigned short unac_data67[];
extern unsigned short unac_data68[];
extern unsigned short unac_data69[];
extern unsigned short unac_data70[];
extern unsigned short unac_data71[];
extern unsigned short unac_data72[];
extern unsigned short unac_data73[];
extern unsigned short unac_data74[];
extern unsigned short unac_data75[];
extern unsigned short unac_data76[];
extern unsigned short unac_data77[];
extern unsigned short unac_data78[];
extern unsigned short unac_data79[];
extern unsigned short unac_data80[];
extern unsigned short unac_data81[];
extern unsigned short unac_data82[];
extern unsigned short unac_data83[];
extern unsigned short unac_data84[];
extern unsigned short unac_data85[];
extern unsigned short unac_data86[];
extern unsigned short unac_data87[];
extern unsigned short unac_data88[];
extern unsigned short unac_data89[];
extern unsigned short unac_data90[];
extern unsigned short unac_data91[];
extern unsigned short unac_data92[];
extern unsigned short unac_data93[];
extern unsigned short unac_data94[];
extern unsigned short unac_data95[];
extern unsigned short unac_data96[];
extern unsigned short unac_data97[];
extern unsigned short unac_data98[];
extern unsigned short unac_data99[];
extern unsigned short unac_data100[];
extern unsigned short unac_data101[];
extern unsigned short unac_data102[];
extern unsigned short unac_data103[];
extern unsigned short unac_data104[];
extern unsigned short unac_data105[];
extern unsigned short unac_data106[];
extern unsigned short unac_data107[];
extern unsigned short unac_data108[];
extern unsigned short unac_data109[];
extern unsigned short unac_data110[];
extern unsigned short unac_data111[];
extern unsigned short unac_data112[];
extern unsigned short unac_data113[];
extern unsigned short unac_data114[];
extern unsigned short unac_data115[];
extern unsigned short unac_data116[];
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extern unsigned short unac_data120[];
extern unsigned short unac_data121[];
extern unsigned short unac_data122[];
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extern unsigned short unac_data127[];
extern unsigned short unac_data128[];
extern unsigned short unac_data129[];
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extern unsigned short unac_data131[];
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extern unsigned short unac_data157[];
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extern unsigned short unac_data160[];
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extern unsigned short unac_data162[];
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extern unsigned short unac_data164[];
extern unsigned short unac_data165[];
extern unsigned short unac_data166[];
extern unsigned short unac_data167[];
extern unsigned short unac_data168[];
extern unsigned short unac_data169[];
extern unsigned short unac_data170[];
extern unsigned short unac_data171[];
extern unsigned short unac_data172[];
extern unsigned short unac_data173[];
extern unsigned short unac_data174[];
extern unsigned short unac_data175[];
extern unsigned short unac_data176[];
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extern unsigned short unac_data178[];
extern unsigned short unac_data179[];
extern unsigned short unac_data180[];
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extern unsigned short unac_data182[];
extern unsigned short unac_data183[];
extern unsigned short unac_data184[];
extern unsigned short unac_data185[];
extern unsigned short unac_data186[];
extern unsigned short unac_data187[];
extern unsigned short unac_data188[];
extern unsigned short unac_data189[];
extern unsigned short unac_data190[];
extern unsigned short unac_data191[];
extern unsigned short unac_data192[];
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extern unsigned short unac_data194[];
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extern unsigned short unac_data196[];
extern unsigned short unac_data197[];
extern unsigned short unac_data198[];
extern unsigned short unac_data199[];
extern unsigned short unac_data200[];
extern unsigned short unac_data201[];
extern unsigned short unac_data202[];
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extern unsigned short unac_data204[];
extern unsigned short unac_data205[];
extern unsigned short unac_data206[];
extern unsigned short unac_data207[];
extern unsigned short unac_data208[];
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extern unsigned short unac_data210[];
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extern unsigned short unac_data214[];
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extern unsigned short unac_data216[];
extern unsigned short unac_data217[];
extern unsigned short unac_data218[];
extern unsigned short unac_data219[];
extern unsigned short unac_data220[];
extern unsigned short unac_data221[];
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extern unsigned short unac_data223[];
extern unsigned short unac_data224[];
extern unsigned short unac_data225[];
extern unsigned short unac_data226[];
extern unsigned short unac_data227[];
extern unsigned short unac_data228[];
extern unsigned short unac_data229[];
extern unsigned short unac_data230[];
extern unsigned short unac_data231[];
extern unsigned short unac_data232[];
extern unsigned short unac_data233[];
extern unsigned short unac_data234[];
extern unsigned short unac_data235[];
extern unsigned short unac_data236[];
extern unsigned short unac_data237[];
extern unsigned short unac_data238[];
extern unsigned short unac_data239[];
extern unsigned short unac_data240[];
extern unsigned short unac_data241[];
extern unsigned short unac_data242[];
extern unsigned short unac_data243[];
extern unsigned short unac_data244[];
extern unsigned short unac_data245[];
extern unsigned short unac_data246[];
extern unsigned short unac_data247[];
extern unsigned short unac_data248[];
extern unsigned short unac_data249[];
extern unsigned short unac_data250[];
extern unsigned short unac_data251[];
extern unsigned short unac_data252[];
extern unsigned short unac_data253[];
extern unsigned short unac_data254[];
extern unsigned short unac_data255[];
extern unsigned short unac_data256[];
extern unsigned short unac_data257[];
extern unsigned short unac_data258[];
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extern unsigned short unac_data260[];
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extern unsigned short unac_data262[];
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extern unsigned short unac_data265[];
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extern unsigned short unac_data269[];
extern unsigned short unac_data270[];
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extern unsigned short unac_data274[];
extern unsigned short unac_data275[];
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extern unsigned short unac_data279[];
extern unsigned short unac_data280[];
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extern unsigned short unac_data288[];
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extern unsigned short unac_data290[];
extern unsigned short unac_data291[];
extern unsigned short unac_data292[];
extern unsigned short unac_data293[];
extern unsigned short unac_data294[];
extern unsigned short unac_data295[];
extern unsigned short unac_data296[];
extern unsigned short unac_data297[];
extern unsigned short unac_data298[];
extern unsigned short unac_data299[];
extern unsigned short unac_data300[];
extern unsigned short unac_data301[];
extern unsigned short unac_data302[];
extern unsigned short unac_data303[];
extern unsigned short unac_data304[];
extern unsigned short unac_data305[];
extern unsigned short unac_data306[];
extern unsigned short unac_data307[];
extern unsigned short unac_data308[];
extern unsigned short unac_data309[];
extern unsigned short unac_data310[];
extern unsigned short unac_data311[];
extern unsigned short unac_data312[];
extern unsigned short unac_data313[];
extern unsigned short unac_data314[];
/* Generated by builder. Do not modify. End declarations */

#ifdef __cplusplus
}
#endif

#endif /* _unac_h */
