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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 */