503 lines
11 KiB
C++
503 lines
11 KiB
C++
// Copyright (C) 2003-2008 Dolphin Project.
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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, version 2.0.
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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 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official SVN repository and contact information can be found at
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// http://code.google.com/p/dolphin-emu/
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// see IniFile.h
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//////////////////////////////////////////////////////////////////////////////////////
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// Include
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// ------------
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#include <stdlib.h>
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#include <stdio.h>
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#include <string>
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#include <vector>
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#include <iostream>
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#include <fstream>
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#include <algorithm>
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#include "StringUtil.h"
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#include "IniFile.h"
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///////////////////////////////
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//////////////////////////////////////////////////////////////////////////////////////
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// Class
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// ------------
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IniFile::IniFile()
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{}
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IniFile::~IniFile()
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{}
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///////////////////////////////
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//////////////////////////////////////////////////////////////////////////////////////
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// Section functions used locally only
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// ------------
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Section::Section()
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: lines(), name(""), comment("") {}
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Section::Section(const std::string& _name)
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: lines(), name(_name), comment("") {}
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Section::Section(const Section& other)
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{
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name = other.name;
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comment = other.comment;
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lines = other.lines;
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}
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const Section* IniFile::GetSection(const char* sectionName) const
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{
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for (std::vector<Section>::const_iterator iter = sections.begin(); iter != sections.end(); ++iter)
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if (!strcmp(iter->name.c_str(), sectionName))
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return (&(*iter));
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return 0;
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}
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Section* IniFile::GetSection(const char* sectionName)
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{
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for (std::vector<Section>::iterator iter = sections.begin(); iter != sections.end(); ++iter)
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if (!strcmp(iter->name.c_str(), sectionName))
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return (&(*iter));
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return 0;
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}
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Section* IniFile::GetOrCreateSection(const char* sectionName)
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{
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Section* section = GetSection(sectionName);
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if (!section)
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{
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sections.push_back(Section(sectionName));
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section = §ions[sections.size() - 1];
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}
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return(section);
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}
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///////////////////////////////
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bool IniFile::DeleteSection(const char* sectionName)
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{
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Section* s = GetSection(sectionName);
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if (!s)
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{
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return false;
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}
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for (std::vector<Section>::iterator iter = sections.begin(); iter != sections.end(); ++iter)
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{
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if (&(*iter) == s)
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{
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sections.erase(iter);
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return true;
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}
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}
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return false;
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}
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void IniFile::ParseLine(const std::string& line, std::string* keyOut, std::string* valueOut, std::string* commentOut) const
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{
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// allow many types of commenting
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// These MUST be signed! Do not change to size_t
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int firstEquals = (int)line.find("=", 0);
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int firstCommentChar = (int)line.find(";", 0);
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if (firstCommentChar < 0){firstCommentChar = (int)line.find("#", firstEquals > 0 ? firstEquals : 0);}
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if (firstCommentChar < 0){firstCommentChar = (int)line.find("//", firstEquals > 0 ? firstEquals : 0);}
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// allow preserval of spacing before comment
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if (firstCommentChar > 0)
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{
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while (line[firstCommentChar - 1] == ' ' || line[firstCommentChar - 1] == 9) // 9 == tab
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{
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firstCommentChar--;
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}
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}
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if ((firstEquals >= 0) && ((firstCommentChar < 0) || (firstEquals < firstCommentChar)))
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{
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// Yes, a valid line!
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*keyOut = StripSpaces(line.substr(0, firstEquals));
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if (commentOut)
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{
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*commentOut = firstCommentChar > 0 ? line.substr(firstCommentChar) : std::string("");
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}
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if (valueOut)
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{
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*valueOut = StripQuotes(StripSpaces(line.substr(firstEquals + 1, firstCommentChar - firstEquals - 1)));
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}
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}
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}
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std::string* IniFile::GetLine(Section* section, const char* key, std::string* valueOut, std::string* commentOut)
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{
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for (std::vector<std::string>::iterator iter = section->lines.begin(); iter != section->lines.end(); ++iter)
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{
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std::string& line = *iter;
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std::string lineKey;
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ParseLine(line, &lineKey, valueOut, commentOut);
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if (!strcasecmp(lineKey.c_str(), key))
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{
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return &line;
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}
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}
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return 0;
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}
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void IniFile::SetLines(const char* sectionName, const std::vector<std::string> &lines)
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{
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Section* section = GetOrCreateSection(sectionName);
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section->lines.clear();
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for (std::vector<std::string>::const_iterator iter = lines.begin(); iter != lines.end(); ++iter)
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{
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section->lines.push_back(*iter);
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}
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}
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bool IniFile::DeleteKey(const char* sectionName, const char* key)
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{
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Section* section = GetSection(sectionName);
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if (!section)
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{
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return false;
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}
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std::string* line = GetLine(section, key, 0, 0);
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for (std::vector<std::string>::iterator liter = section->lines.begin(); liter != section->lines.end(); ++liter)
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{
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if (line == &(*liter))
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{
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section->lines.erase(liter);
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return true;
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}
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}
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return false; //shouldn't happen
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}
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// Return a list of all keys in a section
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bool IniFile::GetKeys(const char* sectionName, std::vector<std::string>& keys) const
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{
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const Section* section = GetSection(sectionName);
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if (!section)
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{
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return false;
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}
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keys.clear();
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for (std::vector<std::string>::const_iterator liter = section->lines.begin(); liter != section->lines.end(); ++liter)
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{
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std::string key;
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ParseLine(*liter, &key, 0, 0);
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keys.push_back(key);
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}
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return true;
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}
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// Return a list of all lines in a section
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bool IniFile::GetLines(const char* sectionName, std::vector<std::string>& lines) const
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{
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const Section* section = GetSection(sectionName);
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if (!section)
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return false;
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lines.clear();
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for (std::vector<std::string>::const_iterator iter = section->lines.begin(); iter != section->lines.end(); ++iter)
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{
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std::string line = StripSpaces(*iter);
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int commentPos = (int)line.find('#');
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if (commentPos == 0)
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{
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continue;
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}
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if (commentPos != (int)std::string::npos)
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{
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line = StripSpaces(line.substr(0, commentPos));
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}
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lines.push_back(line);
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}
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return true;
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}
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void IniFile::SortSections()
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{
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std::sort(sections.begin(), sections.end());
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}
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//////////////////////////////////////////////////////////////////////////////////////
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// Load and save file
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// ------------
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bool IniFile::Load(const char* filename)
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{
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// Maximum number of letters in a line
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static const int MAX_BYTES = 1024*10;
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sections.clear();
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sections.push_back(Section(""));
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// first section consists of the comments before the first real section
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// Open file
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std::ifstream in;
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in.open(filename, std::ios::in);
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if (in.fail())
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{
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return false;
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}
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while (!in.eof())
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{
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char templine[MAX_BYTES];
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in.getline(templine, MAX_BYTES);
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std::string line = templine;
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#ifndef _WIN32
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// Check for CRLF eol and convert it to LF
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if (!line.empty() && line.at(line.size()-1) == '\r')
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{
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line.erase(line.size()-1);
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}
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#endif
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if (in.eof())
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{
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break;
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}
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if (line.size() > 0)
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{
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if (line[0] == '[')
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{
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size_t endpos = line.find("]");
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if (endpos != std::string::npos)
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{
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// New section!
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std::string sub = line.substr(1, endpos - 1);
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sections.push_back(Section(sub));
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if (endpos + 1 < line.size())
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{
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sections[sections.size() - 1].comment = line.substr(endpos + 1);
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}
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}
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}
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else
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{
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sections[sections.size() - 1].lines.push_back(line);
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}
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}
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}
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in.close();
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return true;
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}
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bool IniFile::Save(const char* filename)
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{
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std::ofstream out;
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out.open(filename, std::ios::out);
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if (out.fail())
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{
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return false;
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}
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for (std::vector<Section>::const_iterator iter = sections.begin(); iter != sections.end(); ++iter)
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{
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const Section& section = *iter;
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if (section.name != "")
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{
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out << "[" << section.name << "]" << section.comment << std::endl;
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}
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for (std::vector<std::string>::const_iterator liter = section.lines.begin(); liter != section.lines.end(); ++liter)
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{
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std::string s = *liter;
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out << s << std::endl;
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}
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}
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out.close();
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return true;
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}
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//////////////////////////////////////////
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//////////////////////////////////////////////////////////////////////////////////////
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// Get and set elements
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// ------------
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void IniFile::Set(const char* sectionName, const char* key, const char* newValue)
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{
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Section* section = GetOrCreateSection(sectionName);
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std::string value, comment;
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std::string* line = GetLine(section, key, &value, &comment);
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if (line)
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{
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// Change the value - keep the key and comment
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*line = StripSpaces(key) + " = " + newValue + comment;
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}
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else
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{
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// The key did not already exist in this section - let's add it.
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section->lines.push_back(std::string(key) + " = " + newValue);
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}
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}
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void IniFile::Set(const char* sectionName, const char* key, u32 newValue)
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{
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Set(sectionName, key, StringFromFormat("0x%08x", newValue).c_str());
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}
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void IniFile::Set(const char* sectionName, const char* key, int newValue)
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{
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Set(sectionName, key, StringFromInt(newValue).c_str());
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}
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void IniFile::Set(const char* sectionName, const char* key, bool newValue)
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{
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Set(sectionName, key, StringFromBool(newValue).c_str());
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}
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bool IniFile::Get(const char* sectionName, const char* key, std::string* value, const char* defaultValue)
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{
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Section* section = GetSection(sectionName);
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if (!section)
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{
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if (defaultValue)
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{
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*value = defaultValue;
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}
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return false;
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}
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std::string* line = GetLine(section, key, value, 0);
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if (!line)
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{
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if (defaultValue)
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{
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*value = defaultValue;
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}
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return false;
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}
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return true;
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}
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bool IniFile::Get(const char* sectionName, const char* key, int* value, int defaultValue)
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{
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std::string temp;
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bool retval = Get(sectionName, key, &temp, 0);
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if (retval && TryParseInt(temp.c_str(), value))
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{
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return true;
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}
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*value = defaultValue;
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return false;
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}
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bool IniFile::Get(const char* sectionName, const char* key, u32* value, u32 defaultValue)
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{
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std::string temp;
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bool retval = Get(sectionName, key, &temp, 0);
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if (retval && TryParseUInt(temp.c_str(), value))
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{
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return true;
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}
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*value = defaultValue;
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return false;
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}
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bool IniFile::Get(const char* sectionName, const char* key, bool* value, bool defaultValue)
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{
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std::string temp;
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bool retval = Get(sectionName, key, &temp, 0);
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if (retval && TryParseBool(temp.c_str(), value))
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{
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return true;
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}
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*value = defaultValue;
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return false;
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}
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////////////////////////////////////////
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/*
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int main()
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{
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IniFile ini;
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ini.Load("my.ini");
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ini.Set("Hej", "A", "amaskdfl");
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ini.Set("Mossa", "A", "amaskdfl");
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ini.Set("Aissa", "A", "amaskdfl");
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//ini.Read("my.ini");
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std::string x;
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ini.Get("Hej", "B", &x, "boo");
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ini.DeleteKey("Mossa", "A");
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ini.DeleteSection("Mossa");
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ini.SortSections();
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ini.Save("my.ini");
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//UpdateVars(ini);
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return 0;
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}
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*/
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