/*
 * Copyright (c) 1991-1994  Sony Corporation
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL SONY CORPORATION BE LIABLE FOR ANY CLAIM,
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
 * THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 * Except as contained in this notice, the name of Sony Corporation
 * shall not be used in advertising or otherwise to promote the sale, use
 * or other dealings in this Software without prior written authorization
 * from Sony Corporation.
 *
 */

#include "sj_euc.h"
#include "sj4_dict_const.h"

#include "sj4mkdic.h"

#include "sj4charset.h"

int cnvyomi(int code) {
	u_short hh;
	u_char	high;
	u_char	low;

	hh   = ((code >> 16) & 0xffff);
	high = ((code >> 8) & 0xff);
	low  = (code & 0xff);

	if(!hh) {
		if(high == 0xa1) {
			switch(low) {
			case 0xbc:
				return 1;
			case 0xf4:
				return 2;
			case 0xf7:
				return 3;
			case 0xa7:
				return 4;
			}
		} else if(high == 0xa2) {
			if(low == 0xa9)
				return 4;
		} else if(high == 0xa3) {
			if(low < 0xb0)
				;
			else if(low <= 0xb9)
				return (low - 0xb0 + 0x10);
			else if(low < 0xc0)
				;
			else if(low <= 0xda)
				return (low - 0xc1 + 0x1A);
			else if(low < 0xe1)
				;
			else if(low <= 0xfa)
				return (low - 0xe1 + 0x34);
		} else if(high == 0xa4) {
			if(low < 0xa1)
				;
			else if(low <= 0xf3)
				return (low - 0xa1 + 0x4e);
		} else if(high == 0xa5) {
			switch(low) {
			case 0xf4:
				return 0xa1;
			case 0xf5:
				return 0xa2;
			case 0xf6:
				return 0xa3;
			}
		}
	}

	return 0;
}

int h2kcode(int code) {
	u_short hh;
	u_char	high;
	u_char	low;

	hh   = ((code >> 16) & 0xffff);
	high = ((code >> 8) & 0xff);
	low  = (code & 0xff);

	if(!hh) {
		if(high != 0xa4)
			return code;
		else
			return (code + 0x0100);
	}
	return code; /* XXX */
}

int codesize(u_char code) {
	switch(code & KANJIMODEMASK) {
	case ZENHIRAASSYUKU:
	case ZENKATAASSYUKU:
	case KANJIASSYUKU:
	case KANJISTREND:
		return 1;
	case LEADINGHANKAKU:
	case OFFSETASSYUKU:
	case AIATTRIBUTE:
		return 2;
	default:
		return 2;
	}
}

#define Aprintf(fmt, in) \
	{ \
		sprintf(euc + strlen(euc), (fmt), (in)); \
	}

#define Aputc(c) \
	{ \
		euc[strlen(euc) + 1] = 0; \
		euc[strlen(euc)]     = (c); \
	}

#ifdef _WIN32
#define TO sj4_to_sjis
#else
#define TO sj4_to_utf8
#endif

void output_knj(FILE* fp, u_char* p, int l) {
	u_char euc[64];
#ifdef UTF8
	u_char to[64];
#endif
	euc[0] = 0;

	while(l > 0) {
		switch(*p & KANJIMODEMASK) {
		case ZENHIRAASSYUKU:
			Aprintf(COMPHIRAGANA, (*p++ & 0x0f) + 1);
			l--;
			break;
		case ZENKATAASSYUKU:
			Aprintf(COMPKATAKANA, (*p++ & 0x0f) + 1);
			l--;
			break;
		case KANJIASSYUKU:
			Aprintf(COMPKANJI, (*p++ & 0x0f));
			l--;
			break;
		case LEADINGHANKAKU:
#ifndef USEHANKAKUINDICT
			l = 0;
			fprintf(stderr, COMPWRONG);
#else
			Aputc(*p++);
			l--;
			Aputc(*p++);
			l--;
#endif
			break;
		case OFFSETASSYUKU:
			Aprintf("ofs%1x", (*p++ & 0x0f));
			l--;
			Aprintf("%02x", *p++);
			l--;
			break;
		case AIATTRIBUTE:
			Aprintf(COMPATTR, (*p++ & 0x0f));
			l--;
			Aprintf("%02x", *p++);
			l--;
			break;
		case KANJISTREND:
			p++;
			l--;
			break;
		default:
			if(p[1] & 0x80)
				Aputc(SS3);
			Aputc((*p | 0x80));
			l--;
			p++;
			Aputc((*p | 0x80));
			l--;
			p++;
		}
	}

#ifdef UTF8
	if(fp == stdout || fp == stderr) {
		to[TO(to, euc, strlen(euc))] = 0;

		fputs(to, fp);
	} else
#endif
		fputs(euc, fp);
}

void output_str(FILE* fp, char* p) {
	while(*p) {
		fputc(*p, fp);
		p++;
	}
}

void output_int(FILE* fp, int* p) {
	while(*p) {
		if(*p < 0x100) {
			fputc(*p, fp);
			p++;
		} else if(*p < 0x10000) {
			fputc((*p >> 8) & 0xff, fp);
			fputc(*p & 0xff, fp);
			p++;
		} else if(*p < 0x1000000) {
			fputc((*p >> 16) & 0xff, fp);
			fputc((*p >> 8) & 0xff, fp);
			fputc(*p & 0xff, fp);
			p++;
		} else {
			fputc((*p >> 24) & 0xff, fp);
			fputc((*p >> 16) & 0xff, fp);
			fputc((*p >> 8) & 0xff, fp);
			fputc(*p & 0xff, fp);
			p++;
		}
	}
}

int yomi2zen(int code) {
	static char num[] = {
	    '0', '1', '2', '3', '4', '5', '6', '7',
	    '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'};

	switch(code) {
	case 0x01:
		return 0xa1bc;
	case 0x02:
		return 0xa1f4;
	case 0x03:
		return 0xa1f7;
	case 0x04:
		return 0xa2a9;
	case 0xa1:
		return 0xa5f4;
	case 0xa2:
		return 0xa5f5;
	case 0xa3:
		return 0xa5f6;
	default:
		break;
	}

	if(code < 0x10)
		;

	else if(code < 0x1a)
		return (0xa300 + code - 0x10 + 0xb0);

	else if(code < 0x34)
		return (0xa300 + code - 0x1a + 0xc1);

	else if(code < 0x4e)
		return (0xa300 + code - 0x34 + 0xe1);

	else if(code < 0xa1)
		return (0xa400 + code - 0x4e + 0xa1);

	return ((num[(code >> 4) & 0x0f] << 8) | num[code & 0x0f]);
}

void output_yomi(FILE* fp, u_char* p) {
	int  i;
	char buf[5];
#ifdef UTF8
	u_char euc[2];
	u_char to[64];
#endif

	while(*p) {
		i = yomi2zen(*p++);

#ifdef UTF8
		if(fp == stdout || fp == stderr) {
			euc[0] = (i >> 8) & 0xff;
			euc[1] = i & 0xff;

			to[TO(to, euc, 2)] = 0;

			fputs(to, fp);
		} else
#endif
		{
			fputc((i >> 8) & 0xff, fp);
			fputc(i & 0xff, fp);
		}
	}
}