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/* Init cclasses array from ctypes */
#include <my_global.h>
#include <m_ctype.h>
#include <m_string.h>
#include "cclass.h"
static my_bool regex_inited=0;
void my_regex_init(CHARSET_INFO *cs)
{
char buff[CCLASS_LAST][256];
int count[CCLASS_LAST];
uint i;
if (!regex_inited)
{
regex_inited=1;
bzero((uchar*) &count,sizeof(count));
for (i=1 ; i<= 255; i++)
{
if (my_isalnum(cs,i))
buff[CCLASS_ALNUM][count[CCLASS_ALNUM]++]=(char) i;
if (my_isalpha(cs,i))
buff[CCLASS_ALPHA][count[CCLASS_ALPHA]++]=(char) i;
if (my_iscntrl(cs,i))
buff[CCLASS_CNTRL][count[CCLASS_CNTRL]++]=(char) i;
if (my_isdigit(cs,i))
buff[CCLASS_DIGIT][count[CCLASS_DIGIT]++]=(char) i;
if (my_isgraph(cs,i))
buff[CCLASS_GRAPH][count[CCLASS_GRAPH]++]=(char) i;
if (my_islower(cs,i))
buff[CCLASS_LOWER][count[CCLASS_LOWER]++]=(char) i;
if (my_isprint(cs,i))
buff[CCLASS_PRINT][count[CCLASS_PRINT]++]=(char) i;
if (my_ispunct(cs,i))
buff[CCLASS_PUNCT][count[CCLASS_PUNCT]++]=(char) i;
if (my_isspace(cs,i))
buff[CCLASS_SPACE][count[CCLASS_SPACE]++]=(char) i;
if (my_isupper(cs,i))
buff[CCLASS_UPPER][count[CCLASS_UPPER]++]=(char) i;
if (my_isxdigit(cs,i))
buff[CCLASS_XDIGIT][count[CCLASS_XDIGIT]++]=(char) i;
}
buff[CCLASS_BLANK][0]=' ';
buff[CCLASS_BLANK][1]='\t';
count[CCLASS_BLANK]=2;
for (i=0; i < CCLASS_LAST ; i++)
{
char *tmp=(char*) malloc(count[i]+1);
if (!tmp)
{
/*
This is very unlikely to happen as this function is called once
at program startup
*/
fprintf(stderr,
"Fatal error: Can't allocate memory in regex_init\n");
exit(1);
}
memcpy(tmp,buff[i],count[i]*sizeof(char));
tmp[count[i]]=0;
cclasses[i].chars=tmp;
}
}
return;
}
void my_regex_end()
{
if (regex_inited)
{
int i;
for (i=0; i < CCLASS_LAST ; i++)
free((char*) cclasses[i].chars);
regex_inited=0;
}
}
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