146 lines
4.4 KiB
C++
146 lines
4.4 KiB
C++
// Copyright 2008 Dolphin Emulator Project
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// Licensed under GPLv2+
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// Refer to the license.txt file included.
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#pragma once
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#include <cstring>
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#include <list>
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#include <map>
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#include <string>
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#include <vector>
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#include "Common/CommonTypes.h"
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#include "Common/StringUtil.h"
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struct CaseInsensitiveStringCompare
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{
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bool operator() (const std::string& a, const std::string& b) const
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{
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return strcasecmp(a.c_str(), b.c_str()) < 0;
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}
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};
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class IniFile
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{
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public:
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class Section
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{
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friend class IniFile;
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public:
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Section() {}
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Section(const std::string& _name) : name(_name) {}
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bool Exists(const std::string& key) const;
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bool Delete(const std::string& key);
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void Set(const std::string& key, const std::string& newValue);
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void Set(const std::string& key, const std::string& newValue, const std::string& defaultValue);
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void Set(const std::string& key, u32 newValue)
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{
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Set(key, StringFromFormat("0x%08x", newValue));
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}
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void Set(const std::string& key, float newValue)
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{
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Set(key, StringFromFormat("%f", newValue));
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}
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void Set(const std::string& key, double newValue)
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{
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Set(key, StringFromFormat("%f", newValue));
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}
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void Set(const std::string& key, int newValue)
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{
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Set(key, StringFromInt(newValue));
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}
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void Set(const std::string& key, bool newValue)
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{
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Set(key, StringFromBool(newValue));
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}
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template<typename T>
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void Set(const std::string& key, T newValue, const T defaultValue)
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{
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if (newValue != defaultValue)
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Set(key, newValue);
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else
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Delete(key);
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}
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void Set(const std::string& key, const std::vector<std::string>& newValues);
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bool Get(const std::string& key, std::string* value, const std::string& defaultValue = NULL_STRING) const;
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bool Get(const std::string& key, int* value, int defaultValue = 0) const;
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bool Get(const std::string& key, u32* value, u32 defaultValue = 0) const;
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bool Get(const std::string& key, bool* value, bool defaultValue = false) const;
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bool Get(const std::string& key, float* value, float defaultValue = 0.0f) const;
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bool Get(const std::string& key, double* value, double defaultValue = 0.0) const;
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bool Get(const std::string& key, std::vector<std::string>* values) const;
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bool operator < (const Section& other) const
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{
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return name < other.name;
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}
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protected:
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std::string name;
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std::vector<std::string> keys_order;
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std::map<std::string, std::string, CaseInsensitiveStringCompare> values;
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std::vector<std::string> lines;
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};
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/**
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* Loads sections and keys.
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* @param filename filename of the ini file which should be loaded
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* @param keep_current_data If true, "extends" the currently loaded list of sections and keys with the loaded data (and replaces existing entries). If false, existing data will be erased.
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* @warning Using any other operations than "Get*" and "Exists" is untested and will behave unexpectedly
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* @todo This really is just a hack to support having two levels of gameinis (defaults and user-specified) and should eventually be replaced with a less stupid system.
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*/
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bool Load(const std::string& filename, bool keep_current_data = false);
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bool Save(const std::string& filename);
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// Returns true if key exists in section
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bool Exists(const std::string& sectionName, const std::string& key) const;
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template<typename T> bool GetIfExists(const std::string& sectionName, const std::string& key, T value)
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{
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if (Exists(sectionName, key))
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return GetOrCreateSection(sectionName)->Get(key, value);
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return false;
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}
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bool GetKeys(const std::string& sectionName, std::vector<std::string>* keys) const;
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void SetLines(const std::string& sectionName, const std::vector<std::string>& lines);
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bool GetLines(const std::string& sectionName, std::vector<std::string>* lines, const bool remove_comments = true) const;
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bool DeleteKey(const std::string& sectionName, const std::string& key);
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bool DeleteSection(const std::string& sectionName);
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void SortSections();
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Section* GetOrCreateSection(const std::string& section);
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// This function is related to parsing data from lines of INI files
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// It's used outside of IniFile, which is why it is exposed publicly
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// In particular it is used in PostProcessing for its configuration
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static void ParseLine(const std::string& line, std::string* keyOut, std::string* valueOut);
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private:
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std::list<Section> sections;
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const Section* GetSection(const std::string& section) const;
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Section* GetSection(const std::string& section);
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static const std::string& NULL_STRING;
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};
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