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/* Copyright (C) 2004 MySQL AB
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; version 2 of the License.
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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
typedef unsigned char uchar;
typedef unsigned short uint16;
struct uca_item_st
{
uchar num;
uint16 weight[4][9];
};
#if 0
#define MY_UCA_NPAGES 1024
#define MY_UCA_NCHARS 64
#define MY_UCA_CMASK 63
#define MY_UCA_PSHIFT 6
#else
#define MY_UCA_NPAGES 256
#define MY_UCA_NCHARS 256
#define MY_UCA_CMASK 255
#define MY_UCA_PSHIFT 8
#endif
static char *pname[]= {"", "2", "3"};
int main(int ac, char **av)
{
char str[256];
char *weights[64];
struct uca_item_st uca[64*1024];
size_t code, w;
int pageloaded[MY_UCA_NPAGES];
bzero(uca, sizeof(uca));
bzero(pageloaded, sizeof(pageloaded));
while (fgets(str,sizeof(str),stdin))
{
char *comment;
char *weight;
char *s;
size_t codenum;
code= strtol(str,NULL,16);
if (str[0]=='#' || (code > 0xFFFF))
continue;
if ((comment=strchr(str,'#')))
{
*comment++= '\0';
for ( ; *comment==' ' ; comment++);
}else
continue;
if ((weight=strchr(str,';')))
{
*weight++= '\0';
for ( ; *weight==' ' ; weight++);
}
else
continue;
codenum= 0;
s= strtok(str, " \t");
while (s)
{
s= strtok(NULL, " \t");
codenum++;
}
if (codenum>1)
{
/* Multi-character weight,
i.e. contraction.
Not supported yet.
*/
continue;
}
uca[code].num= 0;
s= strtok(weight, " []");
while (s)
{
weights[uca[code].num]= s;
s= strtok(NULL, " []");
uca[code].num++;
}
for (w=0; w < uca[code].num; w++)
{
size_t partnum;
partnum= 0;
s= weights[w];
while (*s)
{
char *endptr;
size_t part;
part= strtol(s+1,&endptr,16);
uca[code].weight[partnum][w]= part;
s= endptr;
partnum++;
}
}
/* Mark that a character from this page was loaded */
pageloaded[code >> MY_UCA_PSHIFT]++;
}
/* Now set implicit weights */
for (code=0; code <= 0xFFFF; code++)
{
size_t base, aaaa, bbbb;
if (uca[code].num)
continue;
/*
3400;<CJK Ideograph Extension A, First>
4DB5;<CJK Ideograph Extension A, Last>
4E00;<CJK Ideograph, First>
9FA5;<CJK Ideograph, Last>
*/
if (code >= 0x3400 && code <= 0x4DB5)
base= 0xFB80;
else if (code >= 0x4E00 && code <= 0x9FA5)
base= 0xFB40;
else
base= 0xFBC0;
aaaa= base + (code >> 15);
bbbb= (code & 0x7FFF) | 0x8000;
uca[code].weight[0][0]= aaaa;
uca[code].weight[0][1]= bbbb;
uca[code].weight[1][0]= 0x0020;
uca[code].weight[1][1]= 0x0000;
uca[code].weight[2][0]= 0x0002;
uca[code].weight[2][1]= 0x0000;
uca[code].weight[3][0]= 0x0001;
uca[code].weight[3][2]= 0x0000;
uca[code].num= 2;
}
printf("#include \"my_uca.h\"\n");
printf("#define MY_UCA_NPAGES %d\n",MY_UCA_NPAGES);
printf("#define MY_UCA_NCHARS %d\n",MY_UCA_NCHARS);
printf("#define MY_UCA_CMASK %d\n",MY_UCA_CMASK);
printf("#define MY_UCA_PSHIFT %d\n",MY_UCA_PSHIFT);
for (w=0; w<3; w++)
{
size_t page;
int pagemaxlen[MY_UCA_NPAGES];
for (page=0; page < MY_UCA_NPAGES; page++)
{
size_t offs;
size_t maxnum= 0;
size_t nchars= 0;
size_t mchars;
size_t ndefs= 0;
pagemaxlen[page]= 0;
/*
Skip this page if no weights were loaded
*/
if (!pageloaded[page])
continue;
/*
Calculate maximum weight
length for this page
*/
for (offs=0; offs < MY_UCA_NCHARS; offs++)
{
size_t i, num;
code= page*MY_UCA_NCHARS+offs;
/* Calculate only non-zero weights */
for (num=0, i=0; i < uca[code].num; i++)
if (uca[code].weight[w][i])
num++;
maxnum= maxnum < num ? num : maxnum;
/* Check if default weight */
if (w == 1 && num == 1)
{
/* 0020 0000 ... */
if (uca[code].weight[w][0] == 0x0020)
ndefs++;
}
else if (w == 2 && num == 1)
{
/* 0002 0000 ... */
if (uca[code].weight[w][0] == 0x0002)
ndefs++;
}
}
maxnum++;
/*
If the page have only default weights
then no needs to dump it, skip.
*/
if (ndefs == MY_UCA_NCHARS)
{
continue;
}
switch (maxnum)
{
case 0: mchars= 8; break;
case 1: mchars= 8; break;
case 2: mchars= 8; break;
case 3: mchars= 9; break;
case 4: mchars= 8; break;
default: mchars= uca[code].num;
}
pagemaxlen[page]= maxnum;
/*
Now print this page
*/
printf("uint16 page%03Xdata%s[]= { /* %04X (%d weights per char) */\n",
page, pname[w], page*MY_UCA_NCHARS, maxnum);
for (offs=0; offs < MY_UCA_NCHARS; offs++)
{
uint16 weight[8];
size_t num, i;
code= page*MY_UCA_NCHARS+offs;
bzero(weight,sizeof(weight));
/* Copy non-zero weights */
for (num=0, i=0; i < uca[code].num; i++)
{
if (uca[code].weight[w][i])
{
weight[num]= uca[code].weight[w][i];
num++;
}
}
for (i=0; i < maxnum; i++)
{
/*
Invert weights for secondary level to
sort upper case letters before their
lower case counter part.
*/
int tmp= weight[i];
if (w == 2 && tmp)
tmp= (int)(0x20 - weight[i]);
printf("0x%04X", tmp);
if ((offs+1 != MY_UCA_NCHARS) || (i+1!=maxnum))
printf(",");
nchars++;
}
if (nchars >=mchars)
{
printf("\n");
nchars=0;
}
else
{
printf(" ");
}
}
printf("};\n\n");
}
printf("uchar uca_length%s[%d]={\n", pname[w], MY_UCA_NPAGES);
for (page=0; page < MY_UCA_NPAGES; page++)
{
printf("%d%s%s",pagemaxlen[page],page<MY_UCA_NPAGES-1?",":"",(page+1) % 16 ? "":"\n");
}
printf("};\n");
printf("uint16 *uca_weight%s[%d]={\n", pname[w], MY_UCA_NPAGES);
for (page=0; page < MY_UCA_NPAGES; page++)
{
const char *comma= page < MY_UCA_NPAGES-1 ? "," : "";
const char *nline= (page+1) % 4 ? "" : "\n";
if (!pagemaxlen[page])
printf("NULL %s%s%s", w ? " ": "", comma , nline);
else
printf("page%03Xdata%s%s%s", page, pname[w], comma, nline);
}
printf("};\n");
}
printf("int main(void){ return 0;};\n");
return 0;
}
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