reginit.c
上传用户:tsgydb
上传日期:2007-04-14
资源大小:10674k
文件大小:2k
- /* Init cclasses array from ctypes */
- #include <global.h>
- #include <m_ctype.h>
- #include <m_string.h>
- #include "cclass.h"
- static bool regex_inited=0;
- void regex_init()
- {
- char buff[CCLASS_LAST][256];
- int count[CCLASS_LAST];
- uint i;
- if (!regex_inited)
- {
- regex_inited=1;
- bzero((gptr) &count,sizeof(count));
- for (i=1 ; i<= 255; i++)
- {
- if (isalnum(i))
- buff[CCLASS_ALNUM][count[CCLASS_ALNUM]++]=(char) i;
- if (isalpha(i))
- buff[CCLASS_ALPHA][count[CCLASS_ALPHA]++]=(char) i;
- if (iscntrl(i))
- buff[CCLASS_CNTRL][count[CCLASS_CNTRL]++]=(char) i;
- if (isdigit(i))
- buff[CCLASS_DIGIT][count[CCLASS_DIGIT]++]=(char) i;
- if (isgraph(i))
- buff[CCLASS_GRAPH][count[CCLASS_GRAPH]++]=(char) i;
- if (islower(i))
- buff[CCLASS_LOWER][count[CCLASS_LOWER]++]=(char) i;
- if (isprint(i))
- buff[CCLASS_PRINT][count[CCLASS_PRINT]++]=(char) i;
- if (ispunct(i))
- buff[CCLASS_PUNCT][count[CCLASS_PUNCT]++]=(char) i;
- if (isspace(i))
- buff[CCLASS_SPACE][count[CCLASS_SPACE]++]=(char) i;
- if (isupper(i))
- buff[CCLASS_UPPER][count[CCLASS_UPPER]++]=(char) i;
- if (isxdigit(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);
- memcpy(tmp,buff[i],count[i]*sizeof(char));
- tmp[count[i]]=0;
- cclasses[i].chars=tmp;
- }
- }
- return;
- }
- void regex_end()
- {
- if (regex_inited)
- {
- int i;
- for (i=0; i < CCLASS_LAST ; i++)
- free(cclasses[i].chars);
- regex_inited=0;
- }
- }