/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* vim: set ts=8 sts=2 et sw=2 tw=80: */ /* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ // This file was shamelessly copied from mozilla/xpinstall/wizard/unix/src2 #ifndef nsINIParser_h__ #define nsINIParser_h__ #ifdef MOZILLA_INTERNAL_API #define nsINIParser nsINIParser_internal #endif #include "nscore.h" #include "nsClassHashtable.h" #include "mozilla/UniquePtr.h" #include class nsIFile; class nsINIParser { public: nsINIParser() {} ~nsINIParser() {} /** * Initialize the INIParser with a nsIFile. If this method fails, no * other methods should be called. This method reads and parses the file, * the class does not hold a file handle open. An instance must only be * initialized once. */ nsresult Init(nsIFile* aFile); /** * Initialize the INIParser with a file path. If this method fails, no * other methods should be called. This method reads and parses the file, * the class does not hold a file handle open. An instance must only * be initialized once. */ nsresult Init(const char* aPath); /** * Callback for GetSections * @return false to stop enumeration, or true to continue. */ typedef bool (*INISectionCallback)(const char* aSection, void* aClosure); /** * Enumerate the sections within the INI file. */ nsresult GetSections(INISectionCallback aCB, void* aClosure); /** * Callback for GetStrings * @return false to stop enumeration, or true to continue */ typedef bool (*INIStringCallback)(const char* aString, const char* aValue, void* aClosure); /** * Enumerate the strings within a section. If the section does * not exist, this function will silently return. */ nsresult GetStrings(const char* aSection, INIStringCallback aCB, void* aClosure); /** * Get the value of the specified key in the specified section * of the INI file represented by this instance. * * @param aSection section name * @param aKey key name * @param aResult the value found * @throws NS_ERROR_FAILURE if the specified section/key could not be * found. */ nsresult GetString(const char* aSection, const char* aKey, nsACString& aResult); /** * Alternate signature of GetString that uses a pre-allocated buffer * instead of a nsACString (for use in the standalone glue before * the glue is initialized). * * @throws NS_ERROR_LOSS_OF_SIGNIFICANT_DATA if the aResult buffer is not * large enough for the data. aResult will be filled with as * much data as possible. * * @see GetString [1] */ nsresult GetString(const char* aSection, const char* aKey, char* aResult, uint32_t aResultLen); private: struct INIValue { INIValue(const char* aKey, const char* aValue) : key(aKey) , value(aValue) { } const char* key; const char* value; mozilla::UniquePtr next; }; nsClassHashtable mSections; mozilla::UniquePtr mFileContents; nsresult InitFromFILE(FILE* aFd); }; #endif /* nsINIParser_h__ */