| /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ |
| /* ***** BEGIN LICENSE BLOCK ***** |
| * Version: MPL 1.1/GPL 2.0/LGPL 2.1 |
| * |
| * The contents of this file are subject to the Mozilla Public License Version |
| * 1.1 (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * http://www.mozilla.org/MPL/ |
| * |
| * Software distributed under the License is distributed on an "AS IS" basis, |
| * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License |
| * for the specific language governing rights and limitations under the |
| * License. |
| * |
| * The Original Code is Mozilla Communicator client code, released |
| * March 31, 1998. |
| * |
| * The Initial Developer of the Original Code is |
| * Netscape Communications Corporation. |
| * Portions created by the Initial Developer are Copyright (C) 1998 |
| * the Initial Developer. All Rights Reserved. |
| * |
| * Contributor(s): |
| * Samir Gehani <sgehani@netscape.com> |
| * Benjamin Smedberg <bsmedberg@covad.net> |
| * |
| * Alternatively, the contents of this file may be used under the terms of |
| * either the GNU General Public License Version 2 or later (the "GPL"), or |
| * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), |
| * in which case the provisions of the GPL or the LGPL are applicable instead |
| * of those above. If you wish to allow use of your version of this file only |
| * under the terms of either the GPL or the LGPL, and not to allow others to |
| * use your version of this file under the terms of the MPL, indicate your |
| * decision by deleting the provisions above and replace them with the notice |
| * and other provisions required by the GPL or the LGPL. If you do not delete |
| * the provisions above, a recipient may use your version of this file under |
| * the terms of any one of the MPL, the GPL or the LGPL. |
| * |
| * ***** END LICENSE BLOCK ***** */ |
| |
| // 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 "nsAutoPtr.h" |
| |
| #include <stdio.h> |
| |
| class nsILocalFile; |
| |
| class NS_COM_GLUE nsINIParser |
| { |
| public: |
| nsINIParser() { } |
| ~nsINIParser() { } |
| |
| /** |
| * Initialize the INIParser with a nsILocalFile. 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(nsILocalFile* 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 PR_FALSE to stop enumeration, or PR_TRUE to continue. |
| */ |
| typedef PRBool |
| (* PR_CALLBACK INISectionCallback)(const char *aSection, |
| void *aClosure); |
| |
| /** |
| * Enumerate the sections within the INI file. |
| */ |
| nsresult GetSections(INISectionCallback aCB, void *aClosure); |
| |
| /** |
| * Callback for GetStrings |
| * @return PR_FALSE to stop enumeration, or PR_TRUE to continue |
| */ |
| typedef PRBool |
| (* PR_CALLBACK 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, PRUint32 aResultLen); |
| |
| private: |
| struct INIValue |
| { |
| INIValue(const char *aKey, const char *aValue) |
| : key(aKey), value(aValue) { } |
| |
| const char *key; |
| const char *value; |
| nsAutoPtr<INIValue> next; |
| }; |
| |
| struct GSClosureStruct |
| { |
| INISectionCallback usercb; |
| void *userclosure; |
| }; |
| |
| nsClassHashtable<nsDepCharHashKey, INIValue> mSections; |
| nsAutoArrayPtr<char> mFileContents; |
| |
| nsresult InitFromFILE(FILE *fd); |
| |
| static PLDHashOperator GetSectionsCB(const char *aKey, |
| INIValue *aData, void *aClosure); |
| }; |
| |
| #endif /* nsINIParser_h__ */ |