mirror of https://github.com/nextcloud/desktop
390 lines
7.0 KiB
C++
390 lines
7.0 KiB
C++
/**
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* Copyright (c) 2000-2013 Liferay, Inc. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or modify it under
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* the terms of the GNU Lesser General Public License as published by the Free
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* Software Foundation; either version 2.1 of the License, or (at your option)
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* any later version.
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*
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* This library is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
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* details.
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*/
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#include "ParserUtil.h"
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#include "UtilConstants.h"
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#include <iostream>
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using namespace std;
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bool ParserUtil::GetItem(const wchar_t* item, const wstring* message, wstring* result)
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{
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size_t start = message->find(item, 0);
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if(start == string::npos)
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{
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return false;
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}
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size_t end = message->find(COLON, start);
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if(end == string::npos)
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{
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return false;
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}
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//Move to next character after :
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end += 1;
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wchar_t c = message->at(end);
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//Move to the next character, which is the start of the value
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end += 1;
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if(c == '[')
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{
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return GetList(end - 1, message, result);
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}
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else
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{
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return GetValue(end, message, result);
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}
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}
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bool ParserUtil::GetList(size_t start, const wstring* message, wstring* result)
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{
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size_t end = start + 1;
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int openBraceCount = 1;
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while(openBraceCount > 0)
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{
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size_t closeBraceLocation = message->find(CLOSE_BRACE, end);
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size_t openBraceLocation = message->find(OPEN_BRACE, end);
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if(closeBraceLocation < openBraceLocation)
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{
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openBraceCount--;
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end = closeBraceLocation + 1;
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}
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else if(openBraceLocation < closeBraceLocation)
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{
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openBraceCount++;
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end = openBraceLocation + 1;
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}
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}
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size_t length = end - start;
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return GetString(start, end, message, result);
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}
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size_t ParserUtil::GetNextStringItemInList(const wstring* message, size_t start, wstring* result)
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{
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size_t end = string::npos;
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size_t commaLocation = message->find(COMMA, start);
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if(commaLocation == string::npos)
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{
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end = message->find(CLOSE_BRACE, start);
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if(end == string::npos)
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{
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end = message->length();
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}
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else
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{
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end = end - 1;
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}
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}
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else
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{
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end = commaLocation - 1;
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}
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if(!GetString(start + 2, end, message, result))
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{
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return string::npos;
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}
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return end + 2;
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}
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size_t ParserUtil::GetNextOCItemInList(const wstring* message, size_t start, wstring* result)
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{
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size_t end = message->find(OPEN_CURLY_BRACE, start) + 1;
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int openBraceCount = 1;
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while(openBraceCount > 0)
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{
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size_t closeBraceLocation = message->find(CLOSE_CURLY_BRACE, end);
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size_t openBraceLocation = message->find(OPEN_CURLY_BRACE, end);
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if(closeBraceLocation < openBraceLocation)
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{
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openBraceCount--;
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end = closeBraceLocation + 1;
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}
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else if(openBraceLocation < closeBraceLocation)
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{
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openBraceCount++;
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end = openBraceLocation + 1;
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}
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}
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size_t length = end - start;
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if(!GetString(start, end, message, result))
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{
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return string::npos;
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}
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return end;
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}
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bool ParserUtil::GetValue(size_t start, const wstring* message, wstring* result)
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{
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if(message->at(start - 1) == '\"')
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{
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size_t end = message->find(QUOTE, start);
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return GetString(start, end, message, result);
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}
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else
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{
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start = start - 1;
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size_t end = message->find(COMMA, start);
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result->append(message->substr(start, end-start));
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}
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return true;
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}
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bool ParserUtil::GetString(size_t start, size_t end, const wstring* message, wstring* result)
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{
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if(end == string::npos)
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{
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return false;
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}
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size_t length = end - start;
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if(length > 0)
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{
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result->append(message->substr(start, length));
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}
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else
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{
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result->append(L"");
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}
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return true;
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}
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bool ParserUtil::IsList(wstring* message)
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{
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wchar_t c = message->at(0);
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if(c == '[')
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{
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return true;
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}
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return false;
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}
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bool ParserUtil::ParseJsonList(wstring* message, vector<wstring*>* items)
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{
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size_t currentLocation = message->find(OPEN_BRACE, 0);
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while(currentLocation < message->size())
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{
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wstring* item = new wstring();
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currentLocation = ParserUtil::GetNextStringItemInList(message, currentLocation, item);
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if(currentLocation == string::npos)
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{
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return false;
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}
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items->push_back(item);
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}
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return true;
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}
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bool ParserUtil::ParseOCList(wstring* message, vector<wstring*>* items)
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{
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size_t currentLocation = message->find(OPEN_CURLY_BRACE, 0);
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while(currentLocation < message->size())
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{
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wstring* item = new wstring();
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currentLocation = ParserUtil::GetNextOCItemInList(message, currentLocation, item);
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if(currentLocation == string::npos)
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{
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return false;
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}
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items->push_back(item);
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}
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return true;
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}
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bool ParserUtil::ParseOCMessageList(wstring* message, vector<OCMessage*>* messages)
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{
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vector<wstring*>* items = new vector<wstring*>();
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if(!ParseOCList(message, items))
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{
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return false;
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}
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for(vector<wstring*>::iterator it = items->begin(); it != items->end(); it++)
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{
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wstring* temp = *it;
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OCMessage* message = new OCMessage();
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message->InitFromMessage(temp);
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messages->push_back(message);
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}
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return true;
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}
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bool ParserUtil::SerializeList(std::vector<std::wstring>* list, std::wstring* result, bool escapeQuotes)
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{
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if(result == 0)
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{
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return false;
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}
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result->append(OPEN_BRACE);
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for(vector<wstring>::iterator it = list->begin(); it != list->end(); it++)
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{
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wstring value = *it;
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if(escapeQuotes)
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{
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result->append(BACK_SLASH);
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}
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result->append(QUOTE);
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result->append(value.c_str());
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if(escapeQuotes)
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{
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result->append(BACK_SLASH);
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}
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result->append(QUOTE);
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result->append(COMMA);
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}
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//Erase last comma
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result->erase(result->size() - 1, 1);
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result->append(CLOSE_BRACE);
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return true;
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}
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bool ParserUtil::SerializeMessage(std::map<std::wstring*, std::wstring*>* arguments, std::wstring* result, bool escapeQuotes)
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{
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if(result == 0)
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{
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return false;
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}
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result->append(OPEN_CURLY_BRACE);
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for(map<wstring*, wstring*>::iterator it = arguments->begin(); it != arguments->end(); it++)
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{
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wstring key = *it->first;
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wstring value = *it->second;
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if(escapeQuotes)
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{
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result->append(BACK_SLASH);
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}
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result->append(QUOTE);
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result->append(key.c_str());
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if(escapeQuotes)
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{
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result->append(BACK_SLASH);
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}
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result->append(QUOTE);
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result->append(COLON);
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result->append(value.c_str());
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result->append(COMMA);
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}
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//Erase last comma
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result->erase(result->size() - 1, 1);
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result->append(CLOSE_CURLY_BRACE);
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return true;
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}
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bool ParserUtil::SerializeMessage(OCMessage* OCMessage, std::wstring* result)
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{
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if(result == 0)
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{
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return false;
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}
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result->append(OPEN_CURLY_BRACE);
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result->append(QUOTE);
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result->append(COMMAND);
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result->append(QUOTE);
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result->append(COLON);
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result->append(QUOTE);
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result->append(OCMessage->GetCommand()->c_str());
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result->append(QUOTE);
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result->append(COMMA);
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result->append(QUOTE);
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result->append(VALUE);
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result->append(QUOTE);
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result->append(COLON);
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if(!IsList(OCMessage->GetValue()))
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{
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result->append(QUOTE);
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}
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result->append(OCMessage->GetValue()->c_str());
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if(!IsList(OCMessage->GetValue()))
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{
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result->append(QUOTE);
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}
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result->append(CLOSE_CURLY_BRACE);
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return true;
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}
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