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RetroZilla/intl/uconv/tools/umaptable.c
Ryan Nematz 2f2ae146c0 first commit
2015-10-20 23:03:22 -04:00

514 lines
14 KiB
C
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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org Code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include <stdio.h>
typedef short int16;
typedef unsigned short uint16;
#define NOMAPPING 0xfffd
typedef struct {
uint16 srcBegin; /* 2 byte */
uint16 srcEnd; /* 2 byte */
uint16 destBegin; /* 2 byte */
} uFormat0;
typedef struct {
uint16 srcBegin; /* 2 byte */
uint16 srcEnd; /* 2 byte */
uint16 mappingOffset; /* 2 byte */
} uFormat1;
typedef struct {
uint16 srcBegin; /* 2 byte */
uint16 srcEnd; /* 2 byte -waste */
uint16 destBegin; /* 2 byte */
} uFormat2;
typedef struct {
union {
uFormat0 format0;
uFormat1 format1;
uFormat2 format2;
} fmt;
} uMapCell;
/* =================================================
uTable
================================================= */
typedef struct {
uint16 itemOfList;
uint16 offsetToFormatArray;
uint16 offsetToMapCellArray;
uint16 offsetToMappingTable;
uint16 data[1];
} uTable;
uint16 umap[256][256];
int bInitFromOrTo = 0;
int bGenerateFromUnicodeTable = 0;
#define MAXCELLNUM 1000
static int numOfItem = 0;
uMapCell cell[MAXCELLNUM];
uint16 format[MAXCELLNUM / 4];
uint16 mapping[256*256];
static int mappinglen = 0;
static int formatcount[4] = {0,0,0,0};
#define SetFormat(n,f) { format[(n >> 2)] |= ((f) << ((n & 0x0003) << 2)); formatcount[f]++; }
#define GetFormat(n) ( format[(n >> 2)] >> ((n & 0x0003) << 2)) &0x00FF)
#define MAPVALUE(i) (umap[(i >> 8) & 0xFF][(i) & 0xFF])
int FORMAT1CNST = 10 ;
int FORMAT0CNST = 5 ;
void initmaps()
{
int i,j;
for(i=0;i<256;i++)
for(j=0;j<256;j++)
{
umap[i][j]= NOMAPPING;
}
for(i=0;i<MAXCELLNUM / 4;i++)
format[i]=0;
}
void SetMapValue(short u,short c)
{
if(NOMAPPING == MAPVALUE(u))
MAPVALUE(u) = c & 0x0000FFFF;
else {
fprintf(stderr, "warning- duplicate mapping %x map to both %x and %x\n", u, MAPVALUE(u), c);
}
}
void AddFormat2(uint16 srcBegin)
{
uint16 destBegin = MAPVALUE(srcBegin);
printf("Begin of Item %04X\n",numOfItem);
printf(" Format 2\n");
printf(" srcBegin = %04X\n", srcBegin);
printf(" destBegin = %04X\n", destBegin );
SetFormat(numOfItem,2);
cell[numOfItem].fmt.format2.srcBegin = srcBegin;
cell[numOfItem].fmt.format2.srcEnd = 0;
cell[numOfItem].fmt.format2.destBegin = destBegin;
printf("End of Item %04X \n\n",numOfItem);
numOfItem++;
/* Unmark the umap */
MAPVALUE(srcBegin) = NOMAPPING;
}
void AddFormat1(uint16 srcBegin, uint16 srcEnd)
{
uint16 i;
printf("Begin of Item %04X\n",numOfItem);
printf(" Format 1\n");
printf(" srcBegin = %04X\n", srcBegin);
printf(" srcEnd = %04X\n", srcEnd );
printf(" mappingOffset = %04X\n", mappinglen);
printf(" Mapping = " );
SetFormat(numOfItem,1);
cell[numOfItem].fmt.format1.srcBegin = srcBegin;
cell[numOfItem].fmt.format1.srcEnd = srcEnd;
cell[numOfItem].fmt.format1.mappingOffset = mappinglen;
for(i=srcBegin ; i <= srcEnd ; i++,mappinglen++)
{
if( ((i-srcBegin) % 8) == 0)
printf("\n ");
mapping[mappinglen]= MAPVALUE(i);
printf("%04X ",(mapping[mappinglen] ));
/* Unmark the umap */
MAPVALUE(i) = NOMAPPING;
}
printf("\n");
printf("End of Item %04X \n\n",numOfItem);
numOfItem++;
}
void AddFormat0(uint16 srcBegin, uint16 srcEnd)
{
uint16 i;
uint16 destBegin = MAPVALUE(srcBegin);
printf("Begin of Item %04X\n",numOfItem);
printf(" Format 0\n");
printf(" srcBegin = %04X\n", srcBegin);
printf(" srcEnd = %04X\n", srcEnd );
printf(" destBegin = %04X\n", destBegin );
SetFormat(numOfItem,0);
cell[numOfItem].fmt.format0.srcBegin = srcBegin;
cell[numOfItem].fmt.format0.srcEnd = srcEnd;
cell[numOfItem].fmt.format0.destBegin = destBegin;
for(i=srcBegin ; i <= srcEnd ; i++)
{
/* Unmark the umap */
MAPVALUE(i) = NOMAPPING;
}
printf("End of Item %04X \n\n",numOfItem);
numOfItem++;
}
void printnpl()
{
printf(
"/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */\n"
"/* ***** BEGIN LICENSE BLOCK *****\n"
" * Version: MPL 1.1/GPL 2.0/LGPL 2.1\n"
" *\n"
" * The contents of this file are subject to the Mozilla Public License Version\n"
" * 1.1 (the \"License\"); you may not use this file except in compliance with\n"
" * the License. You may obtain a copy of the License at\n"
" * http://www.mozilla.org/MPL/\n"
" *\n"
" * Software distributed under the License is distributed on an \"AS IS\" basis,\n"
" * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License\n"
" * for the specific language governing rights and limitations under the\n"
" * License.\n"
" *\n"
" * The Original Code is mozilla.org code.\n"
" *\n"
" * The Initial Developer of the Original Code is\n"
" * Netscape Communications Corporation.\n"
" * Portions created by the Initial Developer are Copyright (C) 2001\n"
" * the Initial Developer. All Rights Reserved.\n"
" *\n"
" * Contributor(s):\n"
" *\n"
" * Alternatively, the contents of this file may be used under the terms of\n"
" * either the GNU General Public License Version 2 or later (the \"GPL\"), or\n"
" * the GNU Lesser General Public License Version 2.1 or later (the \"LGPL\"),\n"
" * in which case the provisions of the GPL or the LGPL are applicable instead\n"
" * of those above. If you wish to allow use of your version of this file only\n"
" * under the terms of either the GPL or the LGPL, and not to allow others to\n"
" * use your version of this file under the terms of the MPL, indicate your\n"
" * decision by deleting the provisions above and replace them with the notice\n"
" * and other provisions required by the GPL or the LGPL. If you do not delete\n"
" * the provisions above, a recipient may use your version of this file under\n"
" * the terms of any one of the MPL, the GPL or the LGPL.\n"
" *\n"
" * ***** END LICENSE BLOCK ***** */\n");
}
void gentable()
{
/* OK! For now, we just use format 1 for each row */
/* We need to chage this to use other format to save the space */
uint16 begin,end;
uint16 ss,gs,gp,state,gc;
uint16 diff, lastdiff;
printnpl();
printf("/*========================================================\n");
printf(" This is a Generated file. Please don't edit it.\n");
printf("\n");
printf(" The tool which used to generate this file is called umaptable.\n");
printf(" You can find this tool under mozilla/intl/uconv/tools/umaptable.c.\n");
printf(" If you have any problem of this file. Please contact \n");
printf(" Netscape Client International Team or \n");
printf(" ftang@netscape <Frank Tang> \n");
printf("\n");
printf(" Table in Debug form \n");
for(begin = 0; MAPVALUE(begin) ==NOMAPPING; begin++)
;
for(end = 0xFFFF; MAPVALUE(end) ==NOMAPPING; end--)
;
if(end != begin)
{
lastdiff = MAPVALUE(begin) - begin;
for(gp=begin+1,state = 0 ; gp<=end; gp++)
{
int input ;
diff = MAPVALUE(gp) - gp;
input = (diff == lastdiff);
switch(state)
{
case 0:
if(input)
{
state = 1;
ss = gp -1;
gc = 2;
}
break;
case 1:
if(input)
{
if(gc++ >= FORMAT0CNST)
{
state = 2;
}
}
else
{
state = 0;
}
break;
case 2:
if(input)
{
}
else
{
AddFormat0(ss,gp-1);
state = 0;
}
break;
}
lastdiff = diff;
}
}
if(state == 2)
AddFormat0(ss,end);
for(;(MAPVALUE(begin) ==NOMAPPING) && (begin <= end); begin++)
;
if(begin <= end)
{
for(;(MAPVALUE(end)==NOMAPPING) && (end >= begin); end--)
;
for(ss=gp=begin,state = 0 ; gp<=end; gp++)
{
int input = (MAPVALUE(gp) == NOMAPPING);
switch(state)
{
case 0:
if(input)
{
gc = 1;
gs = gp;
state = 1;
}
break;
case 1:
if(input)
{
if(gc++ >= FORMAT1CNST)
state = 2;
}
else
state = 0;
break;
case 2:
if(input)
{
}
else
{
if(gs == (ss+1))
AddFormat2(ss);
else
AddFormat1(ss ,gs-1);
state = 0;
ss = gp;
}
break;
}
}
if(end == ss)
AddFormat2(ss );
else
AddFormat1(ss ,end );
}
printf("========================================================*/\n");
}
void writetable()
{
uint16 i;
uint16 off1,off2,off3;
uint16 cur = 0;
uint16 formatitem = (((numOfItem)>>2) + 1);
off1 = 4;
off2 = off1 + formatitem ;
off3 = off2 + numOfItem * sizeof(uMapCell) / sizeof(uint16);
/* write itemOfList */
printf("/* Offset=0x%04X ItemOfList */\n 0x%04X,\n", cur++, numOfItem);
/* write offsetToFormatArray */
printf("/*-------------------------------------------------------*/\n");
printf("/* Offset=0x%04X offsetToFormatArray */\n 0x%04X,\n", cur++,off1);
/* write offsetToMapCellArray */
printf("/*-------------------------------------------------------*/\n");
printf("/* Offset=0x%04X offsetToMapCellArray */ \n 0x%04X,\n", cur++,off2);
/* write offsetToMappingTable */
printf("/*-------------------------------------------------------*/\n");
printf("/* Offset=0x%04X offsetToMappingTable */ \n 0x%04X,\n", cur++,off3);
/* write FormatArray */
printf("/*-------------------------------------------------------*/\n");
printf("/* Offset=0x%04X Start of Format Array */ \n",cur);
printf("/* Total of Format 0 : 0x%04X */\n"
, formatcount[0]);
printf("/* Total of Format 1 : 0x%04X */\n"
, formatcount[1]);
printf("/* Total of Format 2 : 0x%04X */\n"
, formatcount[2]);
printf("/* Total of Format 3 : 0x%04X */\n"
, formatcount[3]);
for(i=0;i<formatitem;i++,cur++)
{
if((i%8) == 0)
printf("\n");
printf("0x%04X, ",format[i]);
}
printf("\n");
/* write MapCellArray */
printf("/*-------------------------------------------------------*/\n");
printf("/* Offset=0x%04X Start of MapCell Array */ \n",cur);
for(i=0;i<numOfItem;i++,cur+=3)
{
printf("/* %04X */ 0x%04X, 0x%04X, 0x%04X, \n",
i,
cell[i].fmt.format0.srcBegin,
cell[i].fmt.format0.srcEnd,
cell[i].fmt.format0.destBegin
);
}
/* write MappingTable */
printf("/*-------------------------------------------------------*/\n");
printf("/* Offset=0x%04X Start of MappingTable */ \n",cur);
for(i=0;i<mappinglen;i++,cur++)
{
if((i%8) == 0)
printf("\n/* %04X */ ",i);
printf("0x%04X, ",mapping[i] );
}
printf("\n");
printf("/* End of table Total Length = 0x%04X * 2 */\n",cur);
}
void usage()
{
fprintf(stderr, "please indicate what kind of mapping mapping table you want to generate:\n");
fprintf(stderr, "\t-uf : generate *.uf (from unicode) table, or\n");
fprintf(stderr, "\t-ut : generate *.ut (to unicode) table\n");
}
parsearg(int argc, char* argv[])
{
int i;
for(i=0;i<argc;i++)
{
if(strncmp("-uf", argv[i],3) == 0) {
if(! bInitFromOrTo) {
bGenerateFromUnicodeTable = 1;
bInitFromOrTo = 1;
} else {
usage();
exit(-1);
}
}
if(strncmp("-ut", argv[i],3) == 0) {
if(! bInitFromOrTo) {
bGenerateFromUnicodeTable = 0;
bInitFromOrTo = 1;
} else {
usage();
exit(-1);
}
}
if((strncmp("-0", argv[i],2) == 0) && ((i+1) < argc))
{
int cnst0;
if(sscanf(argv[i+1], "%d", &cnst0) == 1)
{
if(cnst0 > 0)
{
FORMAT0CNST = cnst0;
}
}
else
{
fprintf(stderr, "argc error !!!!\n");
exit(-1);
}
i++;
}
if((strncmp("-1", argv[i],2) == 0) && ((i+1) < argc))
{
int cnst1;
if(sscanf(argv[i+1], "%d", &cnst1) == 1)
{
if(cnst1 > 0)
{
FORMAT1CNST = cnst1;
}
}
else
{
fprintf(stderr, "argc error !!!!\n");
exit(-1);
}
i++;
}
}
if(! bInitFromOrTo)
{
usage();
exit(-1);
}
fprintf(stderr, "format 0 cnst = %d\n", FORMAT0CNST);
fprintf(stderr, "format 1 cnst = %d\n", FORMAT1CNST);
fprintf(stderr, "generate u%c table\n",
bGenerateFromUnicodeTable ? 'f' : 't');
}
void getinput()
{
char buf[256];
short c,u;
for(;gets(buf)!=NULL;)
{
if(buf[0]=='0' && buf[1] == 'x')
{
sscanf(buf,"%hx %hx",&c,&u);
if(bGenerateFromUnicodeTable)
SetMapValue(u, c);
else
SetMapValue(c, u);
}
}
}
main(int argc, char* argv[])
{
parsearg(argc, argv);
initmaps();
getinput();
gentable();
writetable();
}
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