100 lines
3.0 KiB
C++
100 lines
3.0 KiB
C++
/*
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This file is part of EqualizerAPO, a system-wide equalizer.
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Copyright (C) 2014 Jonas Thedering
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "stdafx.h"
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#include <regex>
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#include "RegexFunctions.h"
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using namespace std;
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using namespace mup;
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RegexSearchFunction::RegexSearchFunction()
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: ICallback(cmFUNC, L"regexSearch", 2)
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{
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}
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void RegexSearchFunction::Eval(ptr_val_type& ret, const ptr_val_type* arg, int argc)
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{
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if (!arg[0]->IsString())
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throw ParserError(ErrorContext(ecTYPE_CONFLICT_FUN, -1, GetIdent(), arg[0]->GetType(), 's', 1));
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if (!arg[1]->IsString())
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throw ParserError(ErrorContext(ecTYPE_CONFLICT_FUN, -1, GetIdent(), arg[1]->GetType(), 's', 2));
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wstring regexString = arg[0]->GetString();
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wstring string = arg[1]->GetString();
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wregex regex(regexString);
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wsmatch match;
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bool found = regex_search(string, match, regex);
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vector<Value> result;
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if (found)
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{
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for (unsigned i = 0; i < match.size(); i++)
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result.push_back(match.str(i));
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}
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*ret = result;
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}
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const char_type* RegexSearchFunction::GetDesc() const
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{
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return L"regexSearch - searches first match to regular expression. result is empty if not matching";
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}
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IToken* RegexSearchFunction::Clone() const
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{
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return new RegexSearchFunction(*this);
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}
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RegexReplaceFunction::RegexReplaceFunction()
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: ICallback(cmFUNC, L"regexReplace", 3)
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{
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}
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void RegexReplaceFunction::Eval(ptr_val_type& ret, const ptr_val_type* arg, int argc)
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{
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if (!arg[0]->IsString())
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throw ParserError(ErrorContext(ecTYPE_CONFLICT_FUN, -1, GetIdent(), arg[0]->GetType(), 's', 1));
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if (!arg[1]->IsString())
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throw ParserError(ErrorContext(ecTYPE_CONFLICT_FUN, -1, GetIdent(), arg[1]->GetType(), 's', 2));
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if (!arg[2]->IsString())
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throw ParserError(ErrorContext(ecTYPE_CONFLICT_FUN, -1, GetIdent(), arg[2]->GetType(), 's', 3));
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wstring regexString = arg[0]->GetString();
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wstring string = arg[1]->GetString();
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wstring replacement = arg[2]->GetString();
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wregex regex(regexString);
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wstring result = regex_replace(string, regex, replacement);
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*ret = result;
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}
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const char_type* RegexReplaceFunction::GetDesc() const
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{
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return L"regexReplace - replaces all matches to regular expression. result is replaced string";
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}
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IToken* RegexReplaceFunction::Clone() const
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{
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return new RegexReplaceFunction(*this);
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}
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