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# cpl_string.h

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    00001 /**********************************************************************
    00002  * $Id: cpl_string.h 14851 2008-07-07 18:57:42Z mloskot $
    00003  *
    00004  * Name:     cpl_string.h
    00005  * Project:  CPL - Common Portability Library
    00006  * Purpose:  String and StringList functions.
    00007  * Author:   Daniel Morissette, dmorissette@mapgears.com
    00008  *
    00009  **********************************************************************
    00010  * Copyright (c) 1998, Daniel Morissette
    00011  *
    00012  * Permission is hereby granted, free of charge, to any person obtaining a
    00013  * copy of this software and associated documentation files (the "Software"),
    00014  * to deal in the Software without restriction, including without limitation
    00015  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
    00016  * and/or sell copies of the Software, and to permit persons to whom the
    00017  * Software is furnished to do so, subject to the following conditions:
    00018  *
    00019  * The above copyright notice and this permission notice shall be included
    00020  * in all copies or substantial portions of the Software.
    00021  *
    00022  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    00023  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    00024  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
    00025  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    00026  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
    00027  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
    00028  * DEALINGS IN THE SOFTWARE.
    00029  ****************************************************************************/
    00030
    00031 #ifndef _CPL_STRING_H_INCLUDED
    00032 #define _CPL_STRING_H_INCLUDED
    00033
    00034 #include "cpl_vsi.h"
    00035 #include "cpl_error.h"
    00036 #include "cpl_conv.h"
    00037
    00056 CPL_C_START
    00057
    00058 char CPL_DLL **CSLAddString(char **papszStrList, const char *pszNewString);
    00059 int CPL_DLL CSLCount(char **papszStrList);
    00060 const char CPL_DLL *CSLGetField( char **, int );
    00061 void CPL_DLL CPL_STDCALL CSLDestroy(char **papszStrList);
    00062 char CPL_DLL **CSLDuplicate(char **papszStrList);
    00063 char CPL_DLL **CSLMerge( char **papszOrig, char **papszOverride );
    00064
    00065 char CPL_DLL **CSLTokenizeString(const char *pszString );
    00066 char CPL_DLL **CSLTokenizeStringComplex(const char *pszString,
    00067                                    const char *pszDelimiter,
    00068                                    int bHonourStrings, int bAllowEmptyTokens );
    00069 char CPL_DLL **CSLTokenizeString2( const char *pszString,
    00070                                    const char *pszDelimeter,
    00071                                    int nCSLTFlags );
    00072
    00073 #define CSLT_HONOURSTRINGS      0x0001
    00074 #define CSLT_ALLOWEMPTYTOKENS   0x0002
    00075 #define CSLT_PRESERVEQUOTES     0x0004
    00076 #define CSLT_PRESERVEESCAPES    0x0008
    00077 #define CSLT_STRIPLEADSPACES    0x0010
    00078 #define CSLT_STRIPENDSPACES     0x0020
    00079
    00080 int CPL_DLL CSLPrint(char **papszStrList, FILE *fpOut);
    00081 char CPL_DLL **CSLLoad(const char *pszFname);
    00082 int CPL_DLL CSLSave(char **papszStrList, const char *pszFname);
    00083
    00084 char CPL_DLL **CSLInsertStrings(char **papszStrList, int nInsertAtLineNo,
    00085                          char **papszNewLines);
    00086 char CPL_DLL **CSLInsertString(char **papszStrList, int nInsertAtLineNo,
    00087                                const char *pszNewLine);
    00088 char CPL_DLL **CSLRemoveStrings(char **papszStrList, int nFirstLineToDelete,
    00089                          int nNumToRemove, char ***ppapszRetStrings);
    00090 int CPL_DLL CSLFindString( char **, const char * );
    00091 int CPL_DLL CSLPartialFindString( char **papszHaystack,
    00092         const char * pszNeedle );
    00093 int CPL_DLL CSLFindName(char **papszStrList, const char *pszName);
    00094 int CPL_DLL CSLTestBoolean( const char *pszValue );
    00095 int CPL_DLL CSLFetchBoolean( char **papszStrList, const char *pszKey,
    00096                              int bDefault );
    00097
    00098 const char CPL_DLL *CPLSPrintf(const char *fmt, ...) CPL_PRINT_FUNC_FORMAT(1, 2);
    00099 char CPL_DLL **CSLAppendPrintf(char **papszStrList, const char *fmt, ...) CPL_PRINT_FUNC_FORMAT(2, 3);
    00100 int CPL_DLL CPLVASPrintf(char **buf, const char *fmt, va_list args );
    00101
    00102 const char CPL_DLL *
    00103       CPLParseNameValue(const char *pszNameValue, char **ppszKey );
    00104 const char CPL_DLL *
    00105       CSLFetchNameValue(char **papszStrList, const char *pszName);
    00106 char CPL_DLL **
    00107       CSLFetchNameValueMultiple(char **papszStrList, const char *pszName);
    00108 char CPL_DLL **
    00109       CSLAddNameValue(char **papszStrList,
    00110                       const char *pszName, const char *pszValue);
    00111 char CPL_DLL **
    00112       CSLSetNameValue(char **papszStrList,
    00113                       const char *pszName, const char *pszValue);
    00114 void CPL_DLL CSLSetNameValueSeparator( char ** papszStrList,
    00115                                        const char *pszSeparator );
    00116
    00117 #define CPLES_BackslashQuotable 0
    00118 #define CPLES_XML               1
    00119 #define CPLES_URL               2   /* unescape only for now */
    00120 #define CPLES_SQL               3
    00121 #define CPLES_CSV               4
    00122
    00123 char CPL_DLL *CPLEscapeString( const char *pszString, int nLength,
    00124                                int nScheme );
    00125 char CPL_DLL *CPLUnescapeString( const char *pszString, int *pnLength,
    00126                                  int nScheme );
    00127
    00128 char CPL_DLL *CPLBinaryToHex( int nBytes, const GByte *pabyData );
    00129 GByte CPL_DLL *CPLHexToBinary( const char *pszHex, int *pnBytes );
    00130
    00131 typedef enum
    00132 {
    00133     CPL_VALUE_STRING,
    00134     CPL_VALUE_REAL,
    00135     CPL_VALUE_INTEGER
    00136 } CPLValueType;
    00137
    00138 CPLValueType CPL_DLL CPLGetValueType(const char* pszValue);
    00139
    00140 /* -------------------------------------------------------------------- */
    00141 /*      RFC 23 character set conversion/recoding API (cpl_recode.cpp).  */
    00142 /* -------------------------------------------------------------------- */
    00143 #define CPL_ENC_LOCALE     ""
    00144 #define CPL_ENC_UTF8       "UTF-8"
    00145 #define CPL_ENC_UTF16      "UTF-16"
    00146 #define CPL_ENC_UCS2       "UCS-2"
    00147 #define CPL_ENC_UCS4       "UCS-4"
    00148 #define CPL_ENC_ASCII      "ASCII"
    00149 #define CPL_ENC_ISO8859_1  "ISO-8859-1"
    00150
    00151 char CPL_DLL *CPLRecode( const char *pszSource,
    00152                          const char *pszSrcEncoding,
    00153                          const char *pszDstEncoding );
    00154 char CPL_DLL *CPLRecodeFromWChar( const wchar_t *pwszSource,
    00155                                   const char *pszSrcEncoding,
    00156                                   const char *pszDstEncoding );
    00157 wchar_t CPL_DLL *CPLRecodeToWChar( const char *pszSource,
    00158                                    const char *pszSrcEncoding,
    00159                                    const char *pszDstEncoding );
    00160
    00161 CPL_C_END
    00162
    00163 /************************************************************************/
    00164 /*                              CPLString                               */
    00165 /************************************************************************/
    00166
    00167 #if defined(__cplusplus) && !defined(CPL_SUPRESS_CPLUSPLUS)
    00168
    00169 #include <string>
    00170
    00171 /*
    00172  * Simple trick to avoid "using" declaration in header for new compilers
    00173  * but make it still working with old compilers which throw C2614 errors.
    00174  *
    00175  * Define MSVC_OLD_STUPID_BEHAVIOUR
    00176  * for old compilers: VC++ 5 and 6 as well as eVC++ 3 and 4.
    00177  */
    00178
    00179 /*
    00180  * Detect old MSVC++ compiler <= 6.0
    00181  * 1200 - VC++ 6.0
    00182  * 1200-1202 - eVC++ 4.0
    00183  */
    00184 #if defined(_MSC_VER)
    00185 # if (_MSC_VER <= 1202)
    00186 #  define MSVC_OLD_STUPID_BEHAVIOUR
    00187 # endif
    00188 #endif
    00189
    00190 /* Avoid C2614 errors */
    00191 #ifdef MSVC_OLD_STUPID_BEHAVIOUR
    00192     using std::string;
    00193 # define std_string string
    00194 #else
    00195 # define std_string std::string
    00196 #endif
    00197
    00198 /* Remove annoying warnings in Microsoft eVC++ and Microsoft Visual C++ */
    00199 #if defined(WIN32CE)
    00200 #  pragma warning(disable:4251 4275 4786)
    00201 #endif
    00202
    00203
    00204
    00205
    00206 class CPL_DLL CPLString : public std_string
    00207 {
    00208 public:
    00209
    00210
    00211     CPLString(void) {}
    00212     CPLString( const std::string &oStr ) : std_string( oStr ) {}
    00213     CPLString( const char *pszStr ) : std_string( pszStr ) {}
    00214
    00215     operator const char* (void) const { return c_str(); }
    00216
    00217     char& operator[](std::string::size_type i)
    00218     {
    00219         return std_string::operator[](i);
    00220     }
    00221
    00222     const char& operator[](std::string::size_type i) const
    00223     {
    00224         return std_string::operator[](i);
    00225     }
    00226
    00227     char& operator[](int i)
    00228     {
    00229         return std_string::operator[](static_cast<std::string::size_type>(i));
    00230     }
    00231
    00232     const char& operator[](int i) const
    00233     {
    00234         return std_string::operator[](static_cast<std::string::size_type>(i));
    00235     }
    00236
    00237     void Clear() { resize(0); }
    00238
    00239     /* There seems to be a bug in the way the compiler count indices... Should be CPL_PRINT_FUNC_FORMAT (1, 2) */
    00240     CPLString &Printf( const char *pszFormat, ... ) CPL_PRINT_FUNC_FORMAT (2, 3);
    00241     CPLString &vPrintf( const char *pszFormat, va_list args );
    00242     CPLString &FormatC( double dfValue, const char *pszFormat = NULL );
    00243     CPLString &Trim();
    00244 };
    00245
    00246 #endif /* def __cplusplus && !CPL_SUPRESS_CPLUSPLUS */
    00247
    00248 #endif /* _CPL_STRING_H_INCLUDED */

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