461 lines
11 KiB
C
461 lines
11 KiB
C
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <stdint.h>
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#define NOMAPPING 0xfffd
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typedef struct {
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uint16_t srcBegin; /* 2 byte */
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uint16_t srcEnd; /* 2 byte */
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uint16_t destBegin; /* 2 byte */
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} uFormat0;
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typedef struct {
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uint16_t srcBegin; /* 2 byte */
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uint16_t srcEnd; /* 2 byte */
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uint16_t mappingOffset; /* 2 byte */
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} uFormat1;
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typedef struct {
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uint16_t srcBegin; /* 2 byte */
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uint16_t srcEnd; /* 2 byte -waste */
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uint16_t destBegin; /* 2 byte */
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} uFormat2;
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typedef struct {
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union {
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uFormat0 format0;
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uFormat1 format1;
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uFormat2 format2;
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} fmt;
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} uMapCell;
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/* =================================================
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uTable
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================================================= */
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typedef struct {
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uint16_t itemOfList;
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uint16_t offsetToFormatArray;
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uint16_t offsetToMapCellArray;
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uint16_t offsetToMappingTable;
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uint16_t data[1];
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} uTable;
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uint16_t umap[256][256];
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int bInitFromOrTo = 0;
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int bGenerateFromUnicodeTable = 0;
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#define MAXCELLNUM 1000
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static int numOfItem = 0;
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uMapCell cell[MAXCELLNUM];
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uint16_t format[MAXCELLNUM / 4];
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uint16_t mapping[256*256];
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static int mappinglen = 0;
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static int formatcount[4] = {0,0,0,0};
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#define SetFormat(n,f) { format[(n >> 2)] |= ((f) << ((n & 0x0003) << 2)); formatcount[f]++; }
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#define GetFormat(n) ( format[(n >> 2)] >> ((n & 0x0003) << 2)) &0x00FF)
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#define MAPVALUE(i) (umap[(i >> 8) & 0xFF][(i) & 0xFF])
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int FORMAT1CNST = 10 ;
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int FORMAT0CNST = 5 ;
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void initmaps()
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{
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int i,j;
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for(i=0;i<256;i++)
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for(j=0;j<256;j++)
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{
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umap[i][j]= NOMAPPING;
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}
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for(i=0;i<MAXCELLNUM / 4;i++)
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format[i]=0;
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}
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void SetMapValue(short u,short c)
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{
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if(NOMAPPING == MAPVALUE(u))
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MAPVALUE(u) = c & 0x0000FFFF;
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else {
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fprintf(stderr, "warning- duplicate mapping %x map to both %x and %x\n", u, MAPVALUE(u), c);
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}
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}
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void AddFormat2(uint16_t srcBegin)
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{
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uint16_t destBegin = MAPVALUE(srcBegin);
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printf("Begin of Item %04X\n",numOfItem);
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printf(" Format 2\n");
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printf(" srcBegin = %04X\n", srcBegin);
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printf(" destBegin = %04X\n", destBegin );
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SetFormat(numOfItem,2);
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cell[numOfItem].fmt.format2.srcBegin = srcBegin;
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cell[numOfItem].fmt.format2.srcEnd = 0;
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cell[numOfItem].fmt.format2.destBegin = destBegin;
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printf("End of Item %04X \n\n",numOfItem);
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numOfItem++;
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/* Unmark the umap */
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MAPVALUE(srcBegin) = NOMAPPING;
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}
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void AddFormat1(uint16_t srcBegin, uint16_t srcEnd)
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{
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uint16_t i;
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printf("Begin of Item %04X\n",numOfItem);
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printf(" Format 1\n");
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printf(" srcBegin = %04X\n", srcBegin);
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printf(" srcEnd = %04X\n", srcEnd );
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printf(" mappingOffset = %04X\n", mappinglen);
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printf(" Mapping = " );
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SetFormat(numOfItem,1);
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cell[numOfItem].fmt.format1.srcBegin = srcBegin;
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cell[numOfItem].fmt.format1.srcEnd = srcEnd;
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cell[numOfItem].fmt.format1.mappingOffset = mappinglen;
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for(i=srcBegin ; i <= srcEnd ; i++,mappinglen++)
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{
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if( ((i-srcBegin) % 8) == 0)
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printf("\n ");
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mapping[mappinglen]= MAPVALUE(i);
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printf("%04X ",(mapping[mappinglen] ));
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/* Unmark the umap */
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MAPVALUE(i) = NOMAPPING;
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}
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printf("\n");
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printf("End of Item %04X \n\n",numOfItem);
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numOfItem++;
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}
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void AddFormat0(uint16_t srcBegin, uint16_t srcEnd)
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{
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uint16_t i;
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uint16_t destBegin = MAPVALUE(srcBegin);
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printf("Begin of Item %04X\n",numOfItem);
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printf(" Format 0\n");
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printf(" srcBegin = %04X\n", srcBegin);
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printf(" srcEnd = %04X\n", srcEnd );
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printf(" destBegin = %04X\n", destBegin );
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SetFormat(numOfItem,0);
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cell[numOfItem].fmt.format0.srcBegin = srcBegin;
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cell[numOfItem].fmt.format0.srcEnd = srcEnd;
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cell[numOfItem].fmt.format0.destBegin = destBegin;
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for(i=srcBegin ; i <= srcEnd ; i++)
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{
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/* Unmark the umap */
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MAPVALUE(i) = NOMAPPING;
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}
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printf("End of Item %04X \n\n",numOfItem);
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numOfItem++;
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}
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void printnpl()
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{
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printf(
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"/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */\n"
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"/* This Source Code Form is subject to the terms of the Mozilla Public\n"
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" * License, v. 2.0. If a copy of the MPL was not distributed with this\n"
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" * file, You can obtain one at http://mozilla.org/MPL/2.0/. */\n");
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}
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void gentable()
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{
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/* OK! For now, we just use format 1 for each row */
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/* We need to chage this to use other format to save the space */
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uint16_t begin,end;
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uint16_t ss,gs,gp,state,gc;
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uint16_t diff, lastdiff;
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printnpl();
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printf("/*========================================================\n");
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printf(" This is a Generated file. Please don't edit it.\n");
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printf("\n");
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printf(" The tool which used to generate this file is called umaptable.\n");
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printf(" You can find this tool under mozilla/intl/uconv/tools/umaptable.c.\n");
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printf(" If you have any problems with this file, please file a bug\n");
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printf(" under the \"Internationalization\" component in\n");
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printf(" https://bugzilla.mozilla.org/enter_bug.cgi?product=Core\n");
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printf("\n");
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printf(" Table in Debug form \n");
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for(begin = 0; MAPVALUE(begin) ==NOMAPPING; begin++)
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;
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for(end = 0xFFFF; MAPVALUE(end) ==NOMAPPING; end--)
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;
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if(end != begin)
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{
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lastdiff = MAPVALUE(begin) - begin;
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for(gp=begin+1,state = 0 ; gp<=end; gp++)
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{
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int input ;
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diff = MAPVALUE(gp) - gp;
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input = (diff == lastdiff);
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switch(state)
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{
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case 0:
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if(input)
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{
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state = 1;
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ss = gp -1;
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gc = 2;
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}
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break;
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case 1:
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if(input)
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{
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if(gc++ >= FORMAT0CNST)
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{
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state = 2;
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}
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}
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else
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{
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state = 0;
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}
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break;
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case 2:
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if(input)
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{
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}
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else
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{
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AddFormat0(ss,gp-1);
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state = 0;
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}
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break;
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}
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lastdiff = diff;
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}
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}
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if(state == 2)
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AddFormat0(ss,end);
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for(;(MAPVALUE(begin) ==NOMAPPING) && (begin <= end); begin++)
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;
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if(begin <= end)
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{
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for(;(MAPVALUE(end)==NOMAPPING) && (end >= begin); end--)
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;
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for(ss=gp=begin,state = 0 ; gp<=end; gp++)
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{
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int input = (MAPVALUE(gp) == NOMAPPING);
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switch(state)
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{
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case 0:
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if(input)
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{
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gc = 1;
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gs = gp;
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state = 1;
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}
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break;
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case 1:
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if(input)
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{
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if(gc++ >= FORMAT1CNST)
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state = 2;
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}
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else
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state = 0;
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break;
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case 2:
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if(input)
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{
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}
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else
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{
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if(gs == (ss+1))
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AddFormat2(ss);
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else
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AddFormat1(ss ,gs-1);
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state = 0;
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ss = gp;
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}
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break;
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}
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}
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if(end == ss)
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AddFormat2(ss );
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else
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AddFormat1(ss ,end );
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}
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printf("========================================================*/\n");
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}
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void writetable()
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{
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uint16_t i;
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uint16_t off1,off2,off3;
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uint16_t cur = 0;
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uint16_t formatitem = (((numOfItem)>>2) + 1);
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off1 = 4;
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off2 = off1 + formatitem ;
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off3 = off2 + numOfItem * sizeof(uMapCell) / sizeof(uint16_t);
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/* write itemOfList */
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printf("/* Offset=0x%04X ItemOfList */\n 0x%04X,\n", cur++, numOfItem);
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/* write offsetToFormatArray */
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printf("/*-------------------------------------------------------*/\n");
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printf("/* Offset=0x%04X offsetToFormatArray */\n 0x%04X,\n", cur++,off1);
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/* write offsetToMapCellArray */
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printf("/*-------------------------------------------------------*/\n");
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printf("/* Offset=0x%04X offsetToMapCellArray */ \n 0x%04X,\n", cur++,off2);
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/* write offsetToMappingTable */
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printf("/*-------------------------------------------------------*/\n");
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printf("/* Offset=0x%04X offsetToMappingTable */ \n 0x%04X,\n", cur++,off3);
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/* write FormatArray */
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printf("/*-------------------------------------------------------*/\n");
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printf("/* Offset=0x%04X Start of Format Array */ \n",cur);
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printf("/* Total of Format 0 : 0x%04X */\n"
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, formatcount[0]);
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printf("/* Total of Format 1 : 0x%04X */\n"
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, formatcount[1]);
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printf("/* Total of Format 2 : 0x%04X */\n"
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, formatcount[2]);
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printf("/* Total of Format 3 : 0x%04X */\n"
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, formatcount[3]);
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for(i=0;i<formatitem;i++,cur++)
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{
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if((i%8) == 0)
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printf("\n");
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printf("0x%04X, ",format[i]);
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}
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printf("\n");
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/* write MapCellArray */
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printf("/*-------------------------------------------------------*/\n");
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printf("/* Offset=0x%04X Start of MapCell Array */ \n",cur);
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for(i=0;i<numOfItem;i++,cur+=3)
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{
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printf("/* %04X */ 0x%04X, 0x%04X, 0x%04X, \n",
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i,
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cell[i].fmt.format0.srcBegin,
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cell[i].fmt.format0.srcEnd,
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cell[i].fmt.format0.destBegin
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);
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}
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/* write MappingTable */
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printf("/*-------------------------------------------------------*/\n");
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printf("/* Offset=0x%04X Start of MappingTable */ \n",cur);
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for(i=0;i<mappinglen;i++,cur++)
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{
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if((i%8) == 0)
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printf("\n/* %04X */ ",i);
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printf("0x%04X, ",mapping[i] );
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}
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printf("\n");
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printf("/* End of table Total Length = 0x%04X * 2 */\n",cur);
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}
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void usage()
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{
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fprintf(stderr, "please indicate what kind of mapping mapping table you want to generate:\n");
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fprintf(stderr, "\t-uf : generate *.uf (from unicode) table, or\n");
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fprintf(stderr, "\t-ut : generate *.ut (to unicode) table\n");
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}
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void parsearg(int argc, char* argv[])
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{
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int i;
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for(i=0;i<argc;i++)
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{
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if(strncmp("-uf", argv[i],3) == 0) {
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if(! bInitFromOrTo) {
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bGenerateFromUnicodeTable = 1;
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bInitFromOrTo = 1;
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} else {
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usage();
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exit(-1);
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}
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}
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if(strncmp("-ut", argv[i],3) == 0) {
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if(! bInitFromOrTo) {
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bGenerateFromUnicodeTable = 0;
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bInitFromOrTo = 1;
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} else {
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usage();
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exit(-1);
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}
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}
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if((strncmp("-0", argv[i],2) == 0) && ((i+1) < argc))
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{
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int cnst0;
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if(sscanf(argv[i+1], "%d", &cnst0) == 1)
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{
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if(cnst0 > 0)
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{
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FORMAT0CNST = cnst0;
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}
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}
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else
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{
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fprintf(stderr, "argc error !!!!\n");
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exit(-1);
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}
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i++;
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}
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if((strncmp("-1", argv[i],2) == 0) && ((i+1) < argc))
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{
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int cnst1;
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if(sscanf(argv[i+1], "%d", &cnst1) == 1)
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{
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if(cnst1 > 0)
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{
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FORMAT1CNST = cnst1;
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}
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}
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else
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{
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fprintf(stderr, "argc error !!!!\n");
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exit(-1);
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}
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i++;
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}
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}
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if(! bInitFromOrTo)
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{
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usage();
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exit(-1);
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}
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fprintf(stderr, "format 0 cnst = %d\n", FORMAT0CNST);
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fprintf(stderr, "format 1 cnst = %d\n", FORMAT1CNST);
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fprintf(stderr, "generate u%c table\n",
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bGenerateFromUnicodeTable ? 'f' : 't');
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}
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void getinput()
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{
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char buf[256];
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short c,u;
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for (; fgets(buf,sizeof(buf),stdin);)
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{
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if(buf[0]=='0' && buf[1] == 'x')
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{
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u=-1;
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sscanf(buf,"%hx %hx",&c,&u);
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if (u == -1 && 0x80 <= c && c <=0x9f)
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{
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u = c;
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}
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if (u != -1)
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{
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if(bGenerateFromUnicodeTable)
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SetMapValue(u, c);
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else
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SetMapValue(c, u);
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}
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}
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}
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}
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int main(int argc, char* argv[])
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{
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parsearg(argc, argv);
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initmaps();
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getinput();
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gentable();
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writetable();
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return 0;
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}
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