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131 lines
3.9 KiB
C++
131 lines
3.9 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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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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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#ifndef COMMON_INI_FILE_H
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#define COMMON_INI_FILE_H
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#include "common/hash-str.h"
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#include "common/list.h"
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#include "common/str.h"
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namespace Common {
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class SeekableReadStream;
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class WriteStream;
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/**
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* This class allows reading/writing INI style config files.
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*
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* Lines starting with a '#' are ignored (i.e. treated as comments).
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* Some effort is made to preserve comments, though.
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*
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* This class makes no attempts to provide fast access to key/value pairs.
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* In particular, it stores all sections and k/v pairs in lists, not
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* in dictionaries/maps. This makes it very easy to read/write the data
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* from/to files, but of course is not appropriate for fast access.
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* The main reason is that this class is indeed geared toward doing precisely
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* that!
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*/
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class INIFile {
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public:
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struct KeyValue {
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String key;
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String value;
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String comment;
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};
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typedef List<KeyValue> SectionKeyList;
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/** A section in a ini file. I.e. corresponds to something like this:
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* [mySection]
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* key=value
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*
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* Comments are also stored, to keep users happy who like editing their
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* ini files manually.
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*/
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struct Section {
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String name;
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List<KeyValue> keys;
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String comment;
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bool hasKey(const String &key) const;
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const KeyValue* getKey(const String &key) const;
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void setKey(const String &key, const String &value);
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void removeKey(const String &key);
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const SectionKeyList getKeys() const { return keys; }
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};
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typedef List<Section> SectionList;
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public:
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INIFile();
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~INIFile() {}
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// TODO: Maybe add a copy constructor etc.?
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/**
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* Check whether the given string is a valid section or key name.
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* For that, it must only consist of letters, numbers, dashes and
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* underscores. In particular, white space and "#", "=", "[", "]"
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* are not valid!
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*/
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bool isValidName(const String &name) const;
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/** Reset everything stored in this ini file. */
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void clear();
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bool loadFromFile(const String &filename);
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bool loadFromSaveFile(const String &filename);
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bool loadFromStream(SeekableReadStream &stream);
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bool saveToFile(const String &filename);
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bool saveToSaveFile(const String &filename);
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bool saveToStream(WriteStream &stream);
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bool hasSection(const String §ion) const;
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void addSection(const String §ion);
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void removeSection(const String §ion);
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void renameSection(const String &oldName, const String &newName);
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bool hasKey(const String &key, const String §ion) const;
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bool getKey(const String &key, const String §ion, String &value) const;
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void setKey(const String &key, const String §ion, const String &value);
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void removeKey(const String &key, const String §ion);
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const SectionList getSections() const { return _sections; }
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const SectionKeyList getKeys(const String §ion) const;
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void listKeyValues(StringMap &kv);
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void allowNonEnglishCharacters();
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private:
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SectionList _sections;
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bool _allowNonEnglishCharacters;
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Section *getSection(const String §ion);
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const Section *getSection(const String §ion) const;
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};
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} // End of namespace Common
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#endif
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