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/////////////////////////////////////////////////////////////////////////////////////////
// Miranda NG: the free IM client for Microsoft* Windows*
//
// Copyright (C) 2012-20 Miranda NG team,
// Copyright (c) 2000-09 Miranda ICQ/IM project,
// all portions of this codebase are copyrighted to the people
// listed in contributors.txt.
//
// 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.
//
// part of tabSRMM messaging plugin for Miranda.
//
// (C) 2005-2010 by silvercircle _at_ gmail _dot_ com and contributors
//
// highlighter class for multi user chats
#include "stdafx.h"
void CMUCHighlight::cleanup()
{
mir_free(m_NickPatternString);
mir_free(m_TextPatternString);
m_TextPatternString = m_NickPatternString = nullptr;
mir_free(m_NickPatterns);
mir_free(m_TextPatterns);
m_iNickPatterns = m_iTextPatterns = 0;
m_NickPatterns = m_TextPatterns = nullptr;
}
void CMUCHighlight::init()
{
DBVARIANT dbv = { 0 };
if (m_fInitialized)
cleanup(); // clean up first, if we were already initialized
m_fInitialized = true;
if (0 == db_get_ws(0, CHAT_MODULE, "HighlightWords", &dbv)) {
m_TextPatternString = dbv.pwszVal;
_wsetlocale(LC_ALL, L"");
wcslwr(m_TextPatternString);
}
if (0 == db_get_ws(0, CHAT_MODULE, "HighlightNames", &dbv))
m_NickPatternString = dbv.pwszVal;
m_iMode = db_get_b(0, CHAT_MODULE, "HighlightEnabled", MATCH_TEXT);
m_fHighlightMe = (db_get_b(0, CHAT_MODULE, "HighlightMe", 1) ? true : false);
tokenize(m_TextPatternString, m_TextPatterns, m_iTextPatterns);
tokenize(m_NickPatternString, m_NickPatterns, m_iNickPatterns);
}
void CMUCHighlight::tokenize(wchar_t *tszString, wchar_t**& patterns, UINT& nr)
{
if (tszString == nullptr)
return;
wchar_t *p = tszString;
if (*p == 0)
return;
nr = 0;
if (*p != ' ')
nr++;
while (*p) {
if (*p == ' ') {
p++;
while (*p && iswspace(*p))
p++;
if (*p)
nr++;
}
p++;
}
patterns = (wchar_t **)mir_alloc(nr * sizeof(wchar_t*));
p = tszString;
nr = 0;
if (*p != ' ')
patterns[nr++] = p;
while (*p) {
if (*p == ' ') {
*p++ = 0;
while (*p && iswspace(*p))
p++;
if (*p)
patterns[nr++] = p;
}
p++;
}
}
bool CMUCHighlight::match(const GCEVENT *pgce, const SESSION_INFO *psi, DWORD dwFlags)
{
int result = 0, nResult = 0;
if (pgce == nullptr || m_Valid == false)
return false;
if ((m_iMode & MATCH_TEXT) && (dwFlags & MATCH_TEXT) && (m_fHighlightMe || m_iTextPatterns > 0) && psi != nullptr) {
wchar_t *p = g_chatApi.RemoveFormatting(pgce->pszText.w);
p = NEWWSTR_ALLOCA(p);
if (p == nullptr)
return false;
CharLower(p);
wchar_t *tszMe = (psi && psi->getMe()) ? NEWWSTR_ALLOCA(psi->getMe()->pszNick) : nullptr;
if (tszMe)
CharLower(tszMe);
if (m_fHighlightMe && tszMe) {
result = wcsstr(p, tszMe) ? MATCH_TEXT : 0;
if (0 == m_iTextPatterns)
goto skip_textpatterns;
}
while (p && !result) {
while (*p && (*p == ' ' || *p == ',' || *p == '.' || *p == ':' || *p == ';' || *p == '?' || *p == '!'))
p++;
if (*p == 0)
break;
wchar_t *p1 = p;
while (*p1 && *p1 != ' ' && *p1 != ',' && *p1 != '.' && *p1 != ':' && *p1 != ';' && *p1 != '?' && *p1 != '!')
p1++;
if (*p1)
*p1 = 0;
else
p1 = nullptr;
for (UINT i = 0; i < m_iTextPatterns && !result; i++)
result = wildcmpw(p, m_TextPatterns[i]) ? MATCH_TEXT : 0;
if (p1) {
*p1 = ' ';
p = p1 + 1;
}
else p = nullptr;
}
}
skip_textpatterns:
// optionally, match the nickname against the list of nicks to highlight
if ((m_iMode & MATCH_NICKNAME) && (dwFlags & MATCH_NICKNAME) && pgce->pszNick.w && m_iNickPatterns > 0) {
for (UINT i = 0; i < m_iNickPatterns && !nResult; i++) {
if (pgce->pszNick.w)
nResult = wildcmpw(pgce->pszNick.w, m_NickPatterns[i]) ? MATCH_NICKNAME : 0;
if ((m_iMode & MATCH_UIN) && pgce->pszUserInfo.w)
nResult = wildcmpw(pgce->pszUserInfo.w, m_NickPatterns[i]) ? MATCH_NICKNAME : 0;
}
}
return result || nResult;
}
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