113 lines
1.4 KiB
C++
Executable File
113 lines
1.4 KiB
C++
Executable File
#include "pcre.h"
|
|
#include "CRegEx.h"
|
|
#include <string.h>
|
|
|
|
RegEx::RegEx()
|
|
{
|
|
mErrorOffset = 0;
|
|
mError = NULL;
|
|
re = NULL;
|
|
mFree = true;
|
|
subject = NULL;
|
|
mSubStrings = 0;
|
|
}
|
|
|
|
void RegEx::Clear()
|
|
{
|
|
mErrorOffset = 0;
|
|
mError = NULL;
|
|
if (re)
|
|
pcre_free(re);
|
|
re = NULL;
|
|
mFree = true;
|
|
if (subject)
|
|
delete [] subject;
|
|
subject = NULL;
|
|
mSubStrings = 0;
|
|
}
|
|
|
|
RegEx::~RegEx()
|
|
{
|
|
Clear();
|
|
}
|
|
|
|
bool RegEx::isFree(bool set, bool val)
|
|
{
|
|
if (set)
|
|
{
|
|
mFree = val;
|
|
return true;
|
|
} else {
|
|
return mFree;
|
|
}
|
|
}
|
|
|
|
int RegEx::Compile(const char *pattern)
|
|
{
|
|
int errno;
|
|
|
|
if (!mFree)
|
|
Clear();
|
|
|
|
re = pcre_compile(pattern, 0, &mError, &mErrorOffset, NULL);
|
|
|
|
if (re == NULL)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
mFree = false;
|
|
|
|
return 1;
|
|
}
|
|
|
|
int RegEx::Match(const char *str)
|
|
{
|
|
int rc = 0;
|
|
|
|
if (mFree || re == NULL)
|
|
return -1;
|
|
|
|
//save str
|
|
subject = new char[strlen(str)+1];
|
|
strcpy(subject, str);
|
|
|
|
rc = pcre_exec(re, NULL, subject, (int)strlen(subject), 0, 0, ovector, 30);
|
|
|
|
if (rc < 0)
|
|
{
|
|
if (rc == PCRE_ERROR_NOMATCH)
|
|
{
|
|
return 0;
|
|
} else {
|
|
mErrorOffset = rc;
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
mSubStrings = rc;
|
|
|
|
return 1;
|
|
}
|
|
|
|
const char *RegEx::GetSubstring(int s, char buffer[], int max)
|
|
{
|
|
if (s >= mSubStrings || s < 0)
|
|
return NULL;
|
|
|
|
char *substr_a = subject + ovector[2*s];
|
|
int substr_l = ovector[2*s+1] - ovector[2*s];
|
|
|
|
for (int i = 0; i<substr_l; i++)
|
|
{
|
|
if (i >= max)
|
|
break;
|
|
buffer[i] = substr_a[i];
|
|
}
|
|
|
|
buffer[i] = '\0';
|
|
|
|
return buffer;
|
|
}
|
|
|