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/*
Variables Plugin for Miranda-IM (www.miranda-im.org)
Copyright 2003-2006 P. Boon
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; either version 2 of the License, or
(at your option) any later version.
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "stdafx.h"
/*
pattern, subject
*/
static wchar_t* parseRegExpCheck(ARGUMENTSINFO *ai)
{
const char *err;
int erroffset;
char szVal[34];
int offsets[99];
if (ai->argc != 3)
return nullptr;
ai->flags = AIF_FALSE;
pcre16 *ppat = pcre16_compile(ai->argv.w[1], 0, &err, &erroffset, nullptr);
if (ppat == nullptr)
return nullptr;
pcre16_extra *extra = pcre16_study(ppat, 0, &err);
int nmat = pcre16_exec(ppat, extra, ai->argv.w[2], (int)mir_wstrlen(ai->argv.w[2]), 0, 0, offsets, 99);
if (nmat > 0) {
ai->flags &= ~AIF_FALSE;
_ltoa(nmat, szVal, 10);
return mir_a2u(szVal);
}
return mir_wstrdup(L"0");
}
/*
pattern, subject, substring no (== PCRE string no (starting at 0))
*/
static wchar_t* parseRegExpSubstr(ARGUMENTSINFO *ai)
{
if (ai->argc != 4)
return nullptr;
int number = _wtoi(ai->argv.w[3]);
if (number < 0)
return nullptr;
ai->flags = AIF_FALSE;
int erroffset;
const char *err;
pcre16 *ppat = pcre16_compile(ai->argv.w[1], 0, &err, &erroffset, nullptr);
if (ppat == nullptr)
return nullptr;
int offsets[99];
pcre16_extra *extra = pcre16_study(ppat, 0, &err);
int nmat = pcre16_exec(ppat, extra, ai->argv.w[2], (int)mir_wstrlen(ai->argv.w[2]), 0, 0, offsets, 99);
if (nmat >= 0)
ai->flags &= ~AIF_FALSE;
const wchar_t *substring;
if (pcre16_get_substring(ai->argv.w[2], offsets, nmat, number, &substring) < 0)
ai->flags |= AIF_FALSE;
else {
wchar_t *tres = mir_wstrdup(substring);
pcre16_free_substring(substring);
return tres;
}
return mir_wstrdup(L"");
}
void registerRegExpTokens()
{
registerIntToken(REGEXPCHECK, parseRegExpCheck, TRF_FUNCTION, LPGEN("Regular Expressions") "\t(x,y)\t" LPGEN("(ANSI input only) the number of substring matches found in y with pattern x"));
registerIntToken(REGEXPSUBSTR, parseRegExpSubstr, TRF_FUNCTION, LPGEN("Regular Expressions") "\t(x,y,z)\t" LPGEN("(ANSI input only) substring match number z found in subject y with pattern x"));
}
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