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nsINIParser.h
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00001 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
00002 /* ***** BEGIN LICENSE BLOCK *****
00003  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
00004  *
00005  * The contents of this file are subject to the Mozilla Public License Version
00006  * 1.1 (the "License"); you may not use this file except in compliance with
00007  * the License. You may obtain a copy of the License at
00008  * http://www.mozilla.org/MPL/
00009  *
00010  * Software distributed under the License is distributed on an "AS IS" basis,
00011  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
00012  * for the specific language governing rights and limitations under the
00013  * License.
00014  *
00015  * The Original Code is Mozilla Communicator client code, released
00016  * March 31, 1998.
00017  *
00018  * The Initial Developer of the Original Code is
00019  * Netscape Communications Corporation.
00020  * Portions created by the Initial Developer are Copyright (C) 1998
00021  * the Initial Developer. All Rights Reserved.
00022  *
00023  * Contributor(s):
00024  *   Samir Gehani <sgehani@netscape.com>
00025  *
00026  * Alternatively, the contents of this file may be used under the terms of
00027  * either of the GNU General Public License Version 2 or later (the "GPL"),
00028  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
00029  * in which case the provisions of the GPL or the LGPL are applicable instead
00030  * of those above. If you wish to allow use of your version of this file only
00031  * under the terms of either the GPL or the LGPL, and not to allow others to
00032  * use your version of this file under the terms of the MPL, indicate your
00033  * decision by deleting the provisions above and replace them with the notice
00034  * and other provisions required by the GPL or the LGPL. If you do not delete
00035  * the provisions above, a recipient may use your version of this file under
00036  * the terms of any one of the MPL, the GPL or the LGPL.
00037  *
00038  * ***** END LICENSE BLOCK ***** */
00039 
00040 #ifndef _NS_INIPARSER_H_
00041 #define _NS_INIPARSER_H_
00042 
00043 #include <stdio.h>
00044 #include <malloc.h>
00045 #include <string.h>
00046 #include <sys/stat.h>
00047 #include <locale.h>
00048 
00049 #ifdef __cplusplus
00050 
00051 class nsINIParser
00052 {
00053 public:
00054 
00062     nsINIParser(char *aFilename);
00063     ~nsINIParser();
00064 
00080     int GetString(      char *aSection, char *aKey, 
00081                         char *aValBuf, int *aIOValBufSize );
00082 
00098     int GetStringAlloc( char *aSection, char *aKey, 
00099                         char **aOutBuf, int *aOutBufSize );
00100     
00110     int GetError();
00111 
00126     static char     *ResolveName(char *aINIRoot);
00127 
00143     int WriteString(      char *aSection, char *aKey, char *aValBuf );
00144 
00145 /*--------------------------------------------------------------------*
00146  *   Errors
00147  *--------------------------------------------------------------------*/
00148     enum 
00149     {
00150         OK                  = 0,
00151         E_READ              = -701,
00152         E_MEM               = -702,
00153         E_PARAM             = -703,
00154         E_NO_SEC            = -704,
00155         E_NO_KEY            = -705,
00156         E_SEC_CORRUPT       = -706,
00157         E_SMALL_BUF         = -707
00158     };
00159 
00160 private:
00161     int FindSection(char *aSection, char **aOutSecPtr);
00162     int FindKey(char *aSecPtr, char *aKey, char **aOutSecPtr);
00163     int GetValue(char *aSecPtr, char *aKey, char *aVal, int *aIOValSize);
00164 
00165     char    *mFileBuf;
00166     char    *mFilename;
00167     int     mFileBufSize;
00168     int     mError;
00169     int     mfWrite;
00170 };
00171 
00172 #define NL '\n'
00173 #define NLSTRING "\n"
00174 #define MAX_VAL_SIZE 512
00175 
00176 #if defined(DUMP)
00177 #undef DUMP
00178 #endif
00179 #if defined(DEBUG_sgehani) || defined(DEBUG_druidd) || defined(DEBUG_root)
00180 #define DUMP(_msg) printf("%s %d: %s \n", __FILE__, __LINE__, _msg);
00181 #else
00182 #define DUMP(_msg) 
00183 #endif
00184 #endif
00185 
00186 #ifdef __cplusplus
00187 extern "C" {
00188 #endif
00189 unsigned long GetPrivateProfileString(const char* szAppName,
00190                                       const char* szKeyName,
00191                                       const char* szDefault,
00192                                       char* szReturnedString,
00193                                       int nSize,
00194                                       const char* szFileName);
00195 
00196 unsigned long WritePrivateProfileString(const char* szAppName,
00197                                         const char* szKeyName,
00198                                         const char* szValue,
00199                                         const char* szFileName);
00200 #ifdef __cplusplus
00201 }
00202 #endif
00203 
00204 #endif /*_NS_INIPARSER_H_ */