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cpl_string.h
Go to the documentation of this file.
1 /**********************************************************************
2 * $Id: cpl_string.h 38064 2017-04-19 08:58:09Z rouault $
3 *
4 * Name: cpl_string.h
5 * Project: CPL - Common Portability Library
6 * Purpose: String and StringList functions.
7 * Author: Daniel Morissette, dmorissette@mapgears.com
8 *
9 **********************************************************************
10 * Copyright (c) 1998, Daniel Morissette
11 * Copyright (c) 2008-2014, Even Rouault <even dot rouault at mines-paris dot org>
12 *
13 * Permission is hereby granted, free of charge, to any person obtaining a
14 * copy of this software and associated documentation files (the "Software"),
15 * to deal in the Software without restriction, including without limitation
16 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
17 * and/or sell copies of the Software, and to permit persons to whom the
18 * Software is furnished to do so, subject to the following conditions:
19 *
20 * The above copyright notice and this permission notice shall be included
21 * in all copies or substantial portions of the Software.
22 *
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
24 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
25 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
26 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
27 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
28 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
29 * DEALINGS IN THE SOFTWARE.
30 ****************************************************************************/
31
32 #ifndef CPL_STRING_H_INCLUDED
33 #define CPL_STRING_H_INCLUDED
34
35 #include "cpl_error.h"
36 #include "cpl_conv.h"
37 #include "cpl_vsi.h"
38
61 CPL_C_START
62
63 char CPL_DLL **CSLAddString(char **papszStrList,
64 const char *pszNewString) CPL_WARN_UNUSED_RESULT;
65 char CPL_DLL **CSLAddStringMayFail(
66 char **papszStrList, const char *pszNewString) CPL_WARN_UNUSED_RESULT;
67 #ifdef __cplusplus
68 int CPL_DLL CSLCount(const char * const *papszStrList);
69 #else
70 int CPL_DLL CSLCount(char **papszStrList);
71 #endif
72 const char CPL_DLL *CSLGetField( char **, int );
73 void CPL_DLL CPL_STDCALL CSLDestroy(char **papszStrList);
74 char CPL_DLL **CSLDuplicate(char **papszStrList) CPL_WARN_UNUSED_RESULT;
75 char CPL_DLL **CSLMerge( char **papszOrig,
76 char **papszOverride ) CPL_WARN_UNUSED_RESULT;
77
78 char CPL_DLL **CSLTokenizeString(const char *pszString ) CPL_WARN_UNUSED_RESULT;
79 char CPL_DLL **CSLTokenizeStringComplex(
80 const char *pszString, const char *pszDelimiter, int bHonourStrings,
81 int bAllowEmptyTokens ) CPL_WARN_UNUSED_RESULT;
82 char CPL_DLL **CSLTokenizeString2( const char *pszString,
83 const char *pszDelimiter,
84 int nCSLTFlags ) CPL_WARN_UNUSED_RESULT;
85
87 #define CSLT_HONOURSTRINGS 0x0001
88
89 #define CSLT_ALLOWEMPTYTOKENS 0x0002
90
91 #define CSLT_PRESERVEQUOTES 0x0004
92
93 #define CSLT_PRESERVEESCAPES 0x0008
94
95 #define CSLT_STRIPLEADSPACES 0x0010
96
97 #define CSLT_STRIPENDSPACES 0x0020
98
99 int CPL_DLL CSLPrint(char **papszStrList, FILE *fpOut);
100 char CPL_DLL **CSLLoad(const char *pszFname) CPL_WARN_UNUSED_RESULT;
101 #ifdef __cplusplus
102 char CPL_DLL **CSLLoad2(
103 const char *pszFname, int nMaxLines, int nMaxCols,
104 const char * const * papszOptions) CPL_WARN_UNUSED_RESULT;
105 #else
106 char CPL_DLL **CSLLoad2(
107 const char *pszFname, int nMaxLines, int nMaxCols,
108 char **papszOptions) CPL_WARN_UNUSED_RESULT;
109 #endif
110 int CPL_DLL CSLSave(char **papszStrList, const char *pszFname);
111
112 char CPL_DLL **CSLInsertStrings(char **papszStrList, int nInsertAtLineNo,
113 char **papszNewLines) CPL_WARN_UNUSED_RESULT;
114 char CPL_DLL **CSLInsertString(char **papszStrList, int nInsertAtLineNo,
115 const char *pszNewLine) CPL_WARN_UNUSED_RESULT;
116 char CPL_DLL **CSLRemoveStrings(
117 char **papszStrList, int nFirstLineToDelete,
118 int nNumToRemove, char ***ppapszRetStrings) CPL_WARN_UNUSED_RESULT;
119 #ifdef __cplusplus
120 int CPL_DLL CSLFindString( const char * const *papszList,
121 const char *pszTarget );
122 int CPL_DLL CSLFindStringCaseSensitive( const char * const *papszList,
123 const char *pszTarget );
124 int CPL_DLL CSLPartialFindString( const char * const *papszHaystack,
125 const char *pszNeedle );
126 #else
127 // Present non-const to C code that does not like passing non-const to const.
128 // Should be ABI compatible with the const versions.
129 int CPL_DLL CSLFindString( char **papszList, const char *pszTarget );
130 int CPL_DLL CSLFindStringCaseSensitive( char * const *papszList,
131 const char *pszTarget );
132 int CPL_DLL CSLPartialFindString( char * const *papszHaystack,
133 const char *pszNeedle );
134 #endif
135 int CPL_DLL CSLFindName(char **papszStrList, const char *pszName);
136 int CPL_DLL CSLFetchBoolean( char **papszStrList, const char *pszKey,
137 int bDefault );
138
139 /* TODO: Deprecate CSLTestBoolean. Remove in GDAL 3.x. */
140 int CPL_DLL CSLTestBoolean( const char *pszValue );
141 /* Do not use CPLTestBoolean in C++ code. Use CPLTestBool. */
142 int CPL_DLL CPLTestBoolean( const char *pszValue );
143
144 #ifdef __cplusplus
145 #ifdef DO_NOT_USE_DEBUG_BOOL
146 #define CPLTestBool(x) CPL_TO_BOOL(CPLTestBoolean(x))
147 #define CPLFetchBool(list,key,default) \
148 CPL_TO_BOOL(CSLFetchBoolean(list,key,default))
149 #else /* DO_NOT_USE_DEBUG_BOOL */
150 /* Prefer these for C++ code. */
151 #ifdef DEBUG_BOOL
152 extern "C++" {
153 #endif
154 bool CPL_DLL CPLTestBool( const char *pszValue );
155 bool CPL_DLL CPLFetchBool( const char * const *papszStrList, const char *pszKey,
156 bool bDefault );
157 #ifdef DEBUG_BOOL
158 }
159 #endif
160 #endif
161 #endif /* __cplusplus */
162
163 const char CPL_DLL *
164 CPLParseNameValue( const char *pszNameValue, char **ppszKey );
165
166 #ifdef __cplusplus
167 const char CPL_DLL *
168 CSLFetchNameValue( const char * const *papszStrList, const char *pszName);
169 const char CPL_DLL *
170 CSLFetchNameValueDef( const char * const *papszStrList,
171 const char *pszName,
172 const char *pszDefault );
173 #else
174 const char CPL_DLL *
175 CSLFetchNameValue( char **papszStrList, const char *pszName);
176 const char CPL_DLL *
177 CSLFetchNameValueDef( char **papszStrList,
178 const char *pszName,
179 const char *pszDefault );
180 #endif
181
182 char CPL_DLL **
183 CSLFetchNameValueMultiple(char **papszStrList, const char *pszName);
184 char CPL_DLL **
185 CSLAddNameValue(char **papszStrList,
186 const char *pszName,
187 const char *pszValue) CPL_WARN_UNUSED_RESULT;
188 char CPL_DLL **
189 CSLSetNameValue(char **papszStrList,
190 const char *pszName,
191 const char *pszValue) CPL_WARN_UNUSED_RESULT;
192 void CPL_DLL CSLSetNameValueSeparator( char ** papszStrList,
193 const char *pszSeparator );
194
195 char CPL_DLL ** CSLParseCommandLine(const char* pszCommandLine);
196
198 #define CPLES_BackslashQuotable 0
199
200 #define CPLES_XML 1
201
202 #define CPLES_URL 2
203
204 #define CPLES_SQL 3
205
206 #define CPLES_CSV 4
207
208 #define CPLES_XML_BUT_QUOTES 5
209
210 char CPL_DLL *CPLEscapeString( const char *pszString, int nLength,
211 int nScheme ) CPL_WARN_UNUSED_RESULT;
212 char CPL_DLL *CPLUnescapeString( const char *pszString, int *pnLength,
213 int nScheme ) CPL_WARN_UNUSED_RESULT;
214
215 char CPL_DLL *CPLBinaryToHex( int nBytes,
216 const GByte *pabyData ) CPL_WARN_UNUSED_RESULT;
217 GByte CPL_DLL *CPLHexToBinary( const char *pszHex,
218 int *pnBytes ) CPL_WARN_UNUSED_RESULT;
219
220 char CPL_DLL *CPLBase64Encode( int nBytes,
221 const GByte *pabyData ) CPL_WARN_UNUSED_RESULT;
222 int CPL_DLL CPLBase64DecodeInPlace( GByte* pszBase64 );
223
225 typedef enum
226 {
227 CPL_VALUE_STRING,
228 CPL_VALUE_REAL,
229 CPL_VALUE_INTEGER
230 } CPLValueType;
231
232 CPLValueType CPL_DLL CPLGetValueType(const char* pszValue);
233
234 size_t CPL_DLL CPLStrlcpy(char* pszDest, const char* pszSrc, size_t nDestSize);
235 size_t CPL_DLL CPLStrlcat(char* pszDest, const char* pszSrc, size_t nDestSize);
236 size_t CPL_DLL CPLStrnlen(const char *pszStr, size_t nMaxLen);
237
238 /* -------------------------------------------------------------------- */
239 /* Locale independent formatting functions. */
240 /* -------------------------------------------------------------------- */
241 int CPL_DLL CPLvsnprintf( char *str, size_t size,
242 CPL_FORMAT_STRING(const char* fmt),
243 va_list args )
244 CPL_PRINT_FUNC_FORMAT(3, 0 );
245
246 /* ALIAS_CPLSNPRINTF_AS_SNPRINTF might be defined to enable GCC 7 */
247 /* -Wformat-truncation= warnings, but shouldn't be set for normal use */
248 #if defined(ALIAS_CPLSNPRINTF_AS_SNPRINTF)
249 #define CPLsnprintf snprintf
250 #else
251 int CPL_DLL CPLsnprintf( char *str, size_t size,
252 CPL_FORMAT_STRING(const char* fmt), ... )
253 CPL_PRINT_FUNC_FORMAT(3, 4);
254 #endif
255
257 #if defined(GDAL_COMPILATION) && !defined(DONT_DEPRECATE_SPRINTF)
258 int CPL_DLL CPLsprintf( char *str, CPL_FORMAT_STRING(const char* fmt), ... )
259 CPL_PRINT_FUNC_FORMAT(2, 3)
260 CPL_WARN_DEPRECATED("Use CPLsnprintf instead");
261 #else
262 int CPL_DLL CPLsprintf( char *str, CPL_FORMAT_STRING(const char* fmt), ... )
263 CPL_PRINT_FUNC_FORMAT(2, 3);
264 #endif
265
266 int CPL_DLL CPLprintf( CPL_FORMAT_STRING(const char* fmt), ... )
267 CPL_PRINT_FUNC_FORMAT(1, 2);
268
269 /* For some reason Doxygen_Suppress is needed to avoid warning. Not sure why */
271 /* caution: only works with limited number of formats */
272 int CPL_DLL CPLsscanf( const char* str,
273 CPL_SCANF_FORMAT_STRING(const char* fmt), ... )
274 CPL_SCAN_FUNC_FORMAT(2, 3);
277 const char CPL_DLL *CPLSPrintf( CPL_FORMAT_STRING(const char *fmt), ... )
278 CPL_PRINT_FUNC_FORMAT(1, 2) CPL_WARN_UNUSED_RESULT;
279 char CPL_DLL **CSLAppendPrintf( char **papszStrList,
280 CPL_FORMAT_STRING(const char *fmt), ... )
281 CPL_PRINT_FUNC_FORMAT(2, 3) CPL_WARN_UNUSED_RESULT;
282 int CPL_DLL CPLVASPrintf( char **buf,
283 CPL_FORMAT_STRING(const char *fmt), va_list args )
284 CPL_PRINT_FUNC_FORMAT(2, 0);
285
286 /* -------------------------------------------------------------------- */
287 /* RFC 23 character set conversion/recoding API (cpl_recode.cpp). */
288 /* -------------------------------------------------------------------- */
290 #define CPL_ENC_LOCALE ""
291
292 #define CPL_ENC_UTF8 "UTF-8"
293
294 #define CPL_ENC_UTF16 "UTF-16"
295
296 #define CPL_ENC_UCS2 "UCS-2"
297
298 #define CPL_ENC_UCS4 "UCS-4"
299
300 #define CPL_ENC_ASCII "ASCII"
301
302 #define CPL_ENC_ISO8859_1 "ISO-8859-1"
303
304 int CPL_DLL CPLEncodingCharSize( const char *pszEncoding );
306 void CPL_DLL CPLClearRecodeWarningFlags( void );
308 char CPL_DLL *CPLRecode(
309 const char *pszSource, const char *pszSrcEncoding,
310 const char *pszDstEncoding ) CPL_WARN_UNUSED_RESULT CPL_RETURNS_NONNULL;
311 char CPL_DLL *CPLRecodeFromWChar(
312 const wchar_t *pwszSource, const char *pszSrcEncoding,
313 const char *pszDstEncoding ) CPL_WARN_UNUSED_RESULT;
314 wchar_t CPL_DLL *CPLRecodeToWChar(
315 const char *pszSource, const char *pszSrcEncoding,
316 const char *pszDstEncoding ) CPL_WARN_UNUSED_RESULT;
317 int CPL_DLL CPLIsUTF8( const char* pabyData, int nLen );
318 char CPL_DLL *CPLForceToASCII(
319 const char* pabyData, int nLen,
320 char chReplacementChar ) CPL_WARN_UNUSED_RESULT;
321 int CPL_DLL CPLStrlenUTF8( const char *pszUTF8Str );
322
323 CPL_C_END
324
325 /************************************************************************/
326 /* CPLString */
327 /************************************************************************/
328
329 #if defined(__cplusplus) && !defined(CPL_SUPRESS_CPLUSPLUS)
330
331 extern "C++"
332 {
333 #ifndef DOXYGEN_SKIP
334 #include <string>
335 #endif
336
338 class CPL_DLL CPLString : public std::string
339 {
340 public:
341
343 CPLString(void) {}
345 // cppcheck-suppress noExplicitConstructor
346 CPLString( const std::string &oStr ) : std::string( oStr ) {}
348 // cppcheck-suppress noExplicitConstructor
349 CPLString( const char *pszStr ) : std::string( pszStr ) {}
351 CPLString( const char *pszStr, size_t n ) : std::string( pszStr, n ) {}
352
354 operator const char* (void) const { return c_str(); }
355
357 char& operator[](std::string::size_type i)
358 {
359 return std::string::operator[](i);
360 }
361
363 const char& operator[](std::string::size_type i) const
364 {
365 return std::string::operator[](i);
366 }
367
369 char& operator[](int i)
370 {
371 return std::string::operator[](
372 static_cast<std::string::size_type>(i));
373 }
374
376 const char& operator[](int i) const
377 {
378 return std::string::operator[](
379 static_cast<std::string::size_type>(i));
380 }
381
382 // Note: This is standard in C++11.
383 #ifndef HAVE_CXX11
384
385 const char& back() const { return operator[](size()-1); }
387 char& back() { return operator[](size()-1); }
388 #endif
389
391 void Clear() { resize(0); }
392
396 void Seize( char *pszValue )
397 {
398 if (pszValue == NULL )
399 Clear();
400 else
401 {
402 *this = pszValue;
403 CPLFree(pszValue);
404 }
405 }
406
407 /* There seems to be a bug in the way the compiler count indices...
408 * Should be CPL_PRINT_FUNC_FORMAT (1, 2) */
409 CPLString &Printf(
410 CPL_FORMAT_STRING(const char *pszFormat), ... )
411 CPL_PRINT_FUNC_FORMAT (2, 3);
412 CPLString &vPrintf(
413 CPL_FORMAT_STRING(const char *pszFormat), va_list args )
414 CPL_PRINT_FUNC_FORMAT(2, 0);
415 CPLString &FormatC( double dfValue, const char *pszFormat = NULL );
416 CPLString &Trim();
417 CPLString &Recode( const char *pszSrcEncoding, const char *pszDstEncoding );
418 CPLString &replaceAll(
419 const std::string &osBefore, const std::string& osAfter );
420 CPLString &replaceAll( const std::string &osBefore, char chAfter );
421 CPLString &replaceAll( char chBefore, const std::string &osAfter );
422 CPLString &replaceAll( char chBefore, char chAfter );
423
424 /* case insensitive find alternates */
425 size_t ifind( const std::string & str, size_t pos = 0 ) const;
426 size_t ifind( const char * s, size_t pos = 0 ) const;
427 CPLString &toupper( void );
428 CPLString &tolower( void );
429 };
430
431 CPLString CPL_DLL CPLOPrintf(CPL_FORMAT_STRING(const char *pszFormat), ... )
432 CPL_PRINT_FUNC_FORMAT (1, 2);
433 CPLString CPL_DLL CPLOvPrintf(
434 CPL_FORMAT_STRING(const char *pszFormat), va_list args)
435 CPL_PRINT_FUNC_FORMAT (1, 0);
436
437 /* -------------------------------------------------------------------- */
438 /* URL processing functions, here since they depend on CPLString. */
439 /* -------------------------------------------------------------------- */
440 CPLString CPL_DLL CPLURLGetValue(const char* pszURL, const char* pszKey);
441 CPLString CPL_DLL CPLURLAddKVP(const char* pszURL, const char* pszKey,
442 const char* pszValue);
443
444 /************************************************************************/
445 /* CPLStringList */
446 /************************************************************************/
447
449 class CPL_DLL CPLStringList
450 {
451 char **papszList;
452 mutable int nCount;
453 mutable int nAllocation;
454 bool bOwnList;
455 bool bIsSorted;
456
457 void Initialize();
458 void MakeOurOwnCopy();
459 void EnsureAllocation( int nMaxLength );
460 int FindSortedInsertionPoint( const char *pszLine );
461
462 public:
463 CPLStringList();
464 CPLStringList( char **papszList, int bTakeOwnership=TRUE );
465 CPLStringList( const CPLStringList& oOther );
466 ~CPLStringList();
467
468 CPLStringList &Clear();
469
471 int size() const { return Count(); }
472 int Count() const;
473
475 bool empty() const { return Count() == 0; }
476
477 CPLStringList &AddString( const char *pszNewString );
478 CPLStringList &AddStringDirectly( char *pszNewString );
479
480 CPLStringList &InsertString( int nInsertAtLineNo, const char *pszNewLine )
481 { return InsertStringDirectly( nInsertAtLineNo, CPLStrdup(pszNewLine) ); }
482 CPLStringList &InsertStringDirectly( int nInsertAtLineNo, char *pszNewLine);
483
484 // CPLStringList &InsertStrings( int nInsertAtLineNo, char **papszNewLines );
485 // CPLStringList &RemoveStrings( int nFirstLineToDelete, int nNumToRemove=1 );
486
488 int FindString( const char *pszTarget ) const
489 { return CSLFindString( papszList, pszTarget ); }
491 int PartialFindString( const char *pszNeedle ) const
492 { return CSLPartialFindString( papszList, pszNeedle ); }
493
494 int FindName( const char *pszName ) const;
495 bool FetchBool( const char *pszKey, bool bDefault ) const;
496 // Deprecated.
497 int FetchBoolean( const char *pszKey, int bDefault ) const;
498 const char *FetchNameValue( const char *pszKey ) const;
499 const char *FetchNameValueDef(
500 const char *pszKey, const char *pszDefault ) const;
501 CPLStringList &AddNameValue( const char *pszKey, const char *pszValue );
502 CPLStringList &SetNameValue( const char *pszKey, const char *pszValue );
503
504 CPLStringList &Assign( char **papszListIn, int bTakeOwnership=TRUE );
506 CPLStringList &operator=(char **papszListIn) {
507 return Assign( papszListIn, TRUE ); }
509 CPLStringList &operator=(const CPLStringList& oOther);
510
512 char * operator[](int i);
514 char * operator[](size_t i) { return (*this)[static_cast<int>(i)]; }
516 const char * operator[](int i) const;
518 const char * operator[](size_t i) const {
519 return (*this)[static_cast<int>(i)]; }
520
522 char **List() { return papszList; }
523 char **StealList();
524
525 CPLStringList &Sort();
527 int IsSorted() const { return bIsSorted; }
528
530 operator char**(void) { return List(); }
531 };
532
533 } // extern "C++"
534
535 #endif /* def __cplusplus && !CPL_SUPRESS_CPLUSPLUS */
536
537 #endif /* CPL_STRING_H_INCLUDED */
CPLString::CPLString
CPLString(void)
Constructor.
Definition: cpl_string.h:343
CSLDuplicate
char ** CSLDuplicate(char **papszStrList) CPL_WARN_UNUSED_RESULT
Clone a string list.
Definition: cpl_string.cpp:224
CPLEncodingCharSize
int CPLEncodingCharSize(const char *pszEncoding)
Return bytes per character for encoding.
Definition: cpl_recode.cpp:318
CPLBase64Encode
char * CPLBase64Encode(int nBytes, const GByte *pabyData) CPL_WARN_UNUSED_RESULT
Base64 encode a buffer.
Definition: cpl_base64.cpp:199
CPLStrlcat
size_t CPLStrlcat(char *pszDest, const char *pszSrc, size_t nDestSize)
Appends a source string to a destination buffer.
Definition: cpl_string.cpp:2726
cpl_vsi.h
Standard C Covers.
CSLTokenizeString
char ** CSLTokenizeString(const char *pszString) CPL_WARN_UNUSED_RESULT
Tokenizes a string and returns a StringList with one string for each token.
Definition: cpl_string.cpp:753
CSLTestBoolean
int CSLTestBoolean(const char *pszValue)
Test what boolean value contained in the string.
Definition: cpl_string.cpp:1545
CPLStringList::empty
bool empty() const
Return whether the list is empty.
Definition: cpl_string.h:475
CPL_C_START
#define CPL_C_START
Macro to start a block of C symbols.
Definition: cpl_port.h:352
CPLForceToASCII
char * CPLForceToASCII(const char *pabyData, int nLen, char chReplacementChar) CPL_WARN_UNUSED_RESULT
Return a new string that is made only of ASCII characters.
Definition: cpl_recode.cpp:276
CPLString::Clear
void Clear()
Clear the string.
Definition: cpl_string.h:391
CPLHexToBinary
GByte * CPLHexToBinary(const char *pszHex, int *pnBytes) CPL_WARN_UNUSED_RESULT
Hexadecimal to binary translation.
Definition: cpl_string.cpp:2498
CSLPartialFindString
int CSLPartialFindString(const char *const *papszHaystack, const char *pszNeedle)
Find a substring within a string list.
Definition: cpl_string.cpp:731
CPLString::back
char & back()
Return last character (undefined behaviour if string is empty)
Definition: cpl_string.h:387
CPLOPrintf
CPLString CPLOPrintf(const char *pszFormat,...)
Return a CPLString with the content of sprintf()
Definition: cplstring.cpp:484
CPLRecode
char * CPLRecode(const char *pszSource, const char *pszSrcEncoding, const char *pszDstEncoding) CPL_WARN_UNUSED_RESULT CPL_RETURNS_NONNULL
Convert a string from a source encoding to a destination encoding.
Definition: cpl_recode.cpp:81
CSLLoad2
char ** CSLLoad2(const char *pszFname, int nMaxLines, int nMaxCols, const char *const *papszOptions) CPL_WARN_UNUSED_RESULT
Load a text file into a string list.
Definition: cpl_string.cpp:312
CPLURLGetValue
CPLString CPLURLGetValue(const char *pszURL, const char *pszKey)
Return the value matching a key from a key=value pair in a URL.
Definition: cplstring.cpp:401
CPLSPrintf
const char * CPLSPrintf(const char *fmt,...) CPL_WARN_UNUSED_RESULT
CPLSPrintf() that works with 10 static buffer.
Definition: cpl_string.cpp:971
CSLAppendPrintf
char ** CSLAppendPrintf(char **papszStrList, const char *fmt,...) CPL_WARN_UNUSED_RESULT
Use CPLSPrintf() to append a new line at the end of a StringList.
Definition: cpl_string.cpp:1023
CPLValueType
CPLValueType
Type of value.
Definition: cpl_string.h:225
CPL_VALUE_REAL
Real number.
Definition: cpl_string.h:228
GByte
unsigned char GByte
Unsigned byte type.
Definition: cpl_port.h:207
CSLSetNameValue
char ** CSLSetNameValue(char **papszStrList, const char *pszName, const char *pszValue) CPL_WARN_UNUSED_RESULT
Assign value to name in StringList.
Definition: cpl_string.cpp:1869
CSLFindName
int CSLFindName(char **papszStrList, const char *pszName)
Find StringList entry with given key name.
Definition: cpl_string.cpp:1700
CPLStringList::FindString
int FindString(const char *pszTarget) const
Return index of pszTarget in the list, or -1.
Definition: cpl_string.h:488
CSLAddString
char ** CSLAddString(char **papszStrList, const char *pszNewString) CPL_WARN_UNUSED_RESULT
Append a string to a StringList and return a pointer to the modified StringList.
Definition: cpl_string.cpp:79
CSLInsertString
char ** CSLInsertString(char **papszStrList, int nInsertAtLineNo, const char *pszNewLine) CPL_WARN_UNUSED_RESULT
Insert a string at a given line number inside a StringList.
Definition: cpl_string.cpp:556
CPLString::operator[]
char & operator[](int i)
Return character at specified index.
Definition: cpl_string.h:369
CPLStringList::PartialFindString
int PartialFindString(const char *pszNeedle) const
Return index of pszTarget in the list (using partial search), or -1.
Definition: cpl_string.h:491
CPLString
Convenient string class based on std::string.
Definition: cpl_string.h:338
CSLAddNameValue
char ** CSLAddNameValue(char **papszStrList, const char *pszName, const char *pszValue) CPL_WARN_UNUSED_RESULT
Add a new entry to a StringList of "Name=Value" pairs, ("Name:Value" pairs are also supported for bac...
Definition: cpl_string.cpp:1830
CPL_PRINT_FUNC_FORMAT
#define CPL_PRINT_FUNC_FORMAT(format_idx, arg_idx)
Tag a function to have printf() formatting.
Definition: cpl_port.h:967
CPLStrlcpy
size_t CPLStrlcpy(char *pszDest, const char *pszSrc, size_t nDestSize)
Copy source string to a destination buffer.
Definition: cpl_string.cpp:2669
CPLStrdup
char * CPLStrdup(const char *) CPL_WARN_UNUSED_RESULT CPL_RETURNS_NONNULL
Safe version of strdup() function.
Definition: cpl_conv.cpp:284
CPLEscapeString
char * CPLEscapeString(const char *pszString, int nLength, int nScheme) CPL_WARN_UNUSED_RESULT
Apply escaping to string to preserve special characters.
Definition: cpl_string.cpp:2014
CPLStringList::IsSorted
int IsSorted() const
Returns whether the list is sorted.
Definition: cpl_string.h:527
CSLFindString
int CSLFindString(const char *const *papszList, const char *pszTarget)
Find a string within a string list (case insensitive).
Definition: cpl_string.cpp:664
CSLSetNameValueSeparator
void CSLSetNameValueSeparator(char **papszStrList, const char *pszSeparator)
Replace the default separator (":" or "=") with the passed separator in the given name/value list...
Definition: cpl_string.cpp:1942
cpl_error.h
CPL error handling services.
CPLprintf
int CPLprintf(const char *fmt,...)
printf() wrapper that is not sensitive to LC_NUMERIC settings.
Definition: cpl_string.cpp:1385
CPLStringList::operator=
CPLStringList & operator=(char **papszListIn)
Assignment operator.
Definition: cpl_string.h:506
CPLString::Seize
void Seize(char *pszValue)
Assign specified string and take ownership of it (assumed to be allocated with CPLMalloc()).
Definition: cpl_string.h:396
CSLLoad
char ** CSLLoad(const char *pszFname) CPL_WARN_UNUSED_RESULT
Load a text file into a string list.
Definition: cpl_string.cpp:393
CPLStringList
String list class designed around our use of C "char**" string lists.
Definition: cpl_string.h:449
CPLBinaryToHex
char * CPLBinaryToHex(int nBytes, const GByte *pabyData) CPL_WARN_UNUSED_RESULT
Binary to hexadecimal translation.
Definition: cpl_string.cpp:2440
CSLSave
int CSLSave(char **papszStrList, const char *pszFname)
Write a StringList to a text file.
Definition: cpl_string.cpp:408
CSLAddStringMayFail
char ** CSLAddStringMayFail(char **papszStrList, const char *pszNewString) CPL_WARN_UNUSED_RESULT
Same as CSLAddString() but may return NULL in case of (memory) failure.
Definition: cpl_string.cpp:88
CSLFindStringCaseSensitive
int CSLFindStringCaseSensitive(const char *const *papszList, const char *pszTarget)
Find a string within a string list(case sensitive)
Definition: cpl_string.cpp:698
CPLRecodeFromWChar
char * CPLRecodeFromWChar(const wchar_t *pwszSource, const char *pszSrcEncoding, const char *pszDstEncoding) CPL_WARN_UNUSED_RESULT
Convert wchar_t string to UTF-8.
Definition: cpl_recode.cpp:149
CPLFree
#define CPLFree
Alias of VSIFree()
Definition: cpl_conv.h:81
CPLStringList::size
int size() const
Return size of list.
Definition: cpl_string.h:471
CPLGetValueType
CPLValueType CPLGetValueType(const char *pszValue)
Detect the type of the value contained in a string, whether it is a real, an integer or a string Lead...
Definition: cpl_string.cpp:2537
cpl_conv.h
Various convenience functions for CPL.
CSLFetchNameValueDef
const char * CSLFetchNameValueDef(const char *const *papszStrList, const char *pszName, const char *pszDefault)
Same as CSLFetchNameValue() but return pszDefault in case of no match.
Definition: cpl_string.cpp:1638
CSLPrint
int CSLPrint(char **papszStrList, FILE *fpOut)
Print a StringList to fpOut.
Definition: cpl_string.cpp:457
CPLsnprintf
int CPLsnprintf(char *str, size_t size, const char *fmt,...)
snprintf() wrapper that is not sensitive to LC_NUMERIC settings.
Definition: cpl_string.cpp:1329
CPLvsnprintf
int CPLvsnprintf(char *str, size_t size, const char *fmt, va_list args)
vsnprintf() wrapper that is not sensitive to LC_NUMERIC settings.
Definition: cpl_string.cpp:1133
CPLTestBoolean
int CPLTestBoolean(const char *pszValue)
Test what boolean value contained in the string.
Definition: cpl_string.cpp:1567
CPLStrnlen
size_t CPLStrnlen(const char *pszStr, size_t nMaxLen)
Returns the length of a NUL terminated string by reading at most the specified number of bytes...
Definition: cpl_string.cpp:2761
CSLMerge
char ** CSLMerge(char **papszOrig, char **papszOverride) CPL_WARN_UNUSED_RESULT
Merge two lists.
Definition: cpl_string.cpp:264
CPLStringList::operator[]
const char * operator[](size_t i) const
Return string at specified index.
Definition: cpl_string.h:518
CPLVASPrintf
int CPLVASPrintf(char **buf, const char *fmt, va_list args)
This is intended to serve as an easy to use C callable vasprintf() alternative.
Definition: cpl_string.cpp:1042
CSLFetchBoolean
int CSLFetchBoolean(char **papszStrList, const char *pszKey, int bDefault)
DEPRECATED.
Definition: cpl_string.cpp:1627
CPL_FORMAT_STRING
#define CPL_FORMAT_STRING(arg)
Macro into which to wrap the format argument of a printf-like function.
Definition: cpl_port.h:989
CPLStringList::InsertString
CPLStringList & InsertString(int nInsertAtLineNo, const char *pszNewLine)
Insert into the list at identified location.
Definition: cpl_string.h:480
CPLURLAddKVP
CPLString CPLURLAddKVP(const char *pszURL, const char *pszKey, const char *pszValue)
Return a new URL with a new key=value pair.
Definition: cplstring.cpp:434
CPL_VALUE_STRING
String.
Definition: cpl_string.h:227
CPLString::operator[]
char & operator[](std::string::size_type i)
Return character at specified index.
Definition: cpl_string.h:357
CPL_RETURNS_NONNULL
#define CPL_RETURNS_NONNULL
Qualifier for a function that does not return NULL.
Definition: cpl_port.h:1032
CPL_SCANF_FORMAT_STRING
#define CPL_SCANF_FORMAT_STRING(arg)
Macro into which to wrap the format argument of a sscanf-like function.
Definition: cpl_port.h:991
CSLFetchNameValueMultiple
char ** CSLFetchNameValueMultiple(char **papszStrList, const char *pszName)
In a StringList of "Name=Value" pairs, look for all the values with the specified name...
Definition: cpl_string.cpp:1793
CPL_C_END
#define CPL_C_END
Macro to end a block of C symbols.
Definition: cpl_port.h:354
CSLGetField
const char * CSLGetField(char **, int)
Fetches the indicated field, being careful not to crash if the field doesn't exist within this string...
Definition: cpl_string.cpp:169
CSLInsertStrings
char ** CSLInsertStrings(char **papszStrList, int nInsertAtLineNo, char **papszNewLines) CPL_WARN_UNUSED_RESULT
Copies the contents of a StringList inside another StringList before the specified line...
Definition: cpl_string.cpp:493
CPLString::CPLString
CPLString(const char *pszStr)
Constructor.
Definition: cpl_string.h:349
CPLString::operator[]
const char & operator[](std::string::size_type i) const
Return character at specified index.
Definition: cpl_string.h:363
CPLStringList::List
char ** List()
Return list.
Definition: cpl_string.h:522
CSLTokenizeString2
char ** CSLTokenizeString2(const char *pszString, const char *pszDelimiter, int nCSLTFlags) CPL_WARN_UNUSED_RESULT
Tokenize a string.
Definition: cpl_string.cpp:830
CPL_SCAN_FUNC_FORMAT
#define CPL_SCAN_FUNC_FORMAT(format_idx, arg_idx)
Tag a function to have scanf() formatting.
Definition: cpl_port.h:969
CPLTestBool
bool CPLTestBool(const char *pszValue)
Test what boolean value contained in the string.
Definition: cpl_string.cpp:1518
CPLFetchBool
bool CPLFetchBool(const char *const *papszStrList, const char *pszKey, bool bDefault)
Check for boolean key value.
Definition: cpl_string.cpp:1592
CPLParseNameValue
const char * CPLParseNameValue(const char *pszNameValue, char **ppszKey)
Parse NAME=VALUE string into name and value components.
Definition: cpl_string.cpp:1746
CSLCount
int CSLCount(const char *const *papszStrList)
Return number of items in a string list.
Definition: cpl_string.cpp:143
CPLString::back
const char & back() const
Return last character (undefined behaviour if string is empty)
Definition: cpl_string.h:385
CPLOvPrintf
CPLString CPLOvPrintf(const char *pszFormat, va_list args)
Return a CPLString with the content of vsprintf()
Definition: cplstring.cpp:503
CPLString::CPLString
CPLString(const char *pszStr, size_t n)
Constructor.
Definition: cpl_string.h:351
CPLString::operator[]
const char & operator[](int i) const
Return character at specified index.
Definition: cpl_string.h:376
CSLDestroy
void CSLDestroy(char **papszStrList)
Free string list.
Definition: cpl_string.cpp:196
CPLIsUTF8
int CPLIsUTF8(const char *pabyData, int nLen)
Test if a string is encoded as UTF-8.
Definition: cpl_recode.cpp:251
CPLUnescapeString
char * CPLUnescapeString(const char *pszString, int *pnLength, int nScheme) CPL_WARN_UNUSED_RESULT
Unescape a string.
Definition: cpl_string.cpp:2223
CPLRecodeToWChar
wchar_t * CPLRecodeToWChar(const char *pszSource, const char *pszSrcEncoding, const char *pszDstEncoding) CPL_WARN_UNUSED_RESULT
Convert UTF-8 string to a wchar_t string.
Definition: cpl_recode.cpp:208
CSLParseCommandLine
char ** CSLParseCommandLine(const char *pszCommandLine)
Tokenize command line arguments in a list of strings.
Definition: cpl_string.cpp:2785
CPLStrlenUTF8
int CPLStrlenUTF8(const char *pszUTF8Str)
Return the number of UTF-8 characters of a nul-terminated string.
Definition: cpl_recode.cpp:363
CPLStringList::operator[]
char * operator[](size_t i)
Return string at specified index.
Definition: cpl_string.h:514
CSLTokenizeStringComplex
char ** CSLTokenizeStringComplex(const char *pszString, const char *pszDelimiter, int bHonourStrings, int bAllowEmptyTokens) CPL_WARN_UNUSED_RESULT
Obsolete tokenizing api.
Definition: cpl_string.cpp:763
CPL_WARN_UNUSED_RESULT
#define CPL_WARN_UNUSED_RESULT
Qualifier to warn when the return value of a function is not used.
Definition: cpl_port.h:999
CPL_VALUE_INTEGER
Integer.
Definition: cpl_string.h:229
CSLFetchNameValue
const char * CSLFetchNameValue(const char *const *papszStrList, const char *pszName)
In a StringList of "Name=Value" pairs, look for the first value associated with the specified name...
Definition: cpl_string.cpp:1666
CPLString::CPLString
CPLString(const std::string &oStr)
Constructor.
Definition: cpl_string.h:346
CPLBase64DecodeInPlace
int CPLBase64DecodeInPlace(GByte *pszBase64)
Decode base64 string "pszBase64" (null terminated) in place.
Definition: cpl_base64.cpp:93
CSLRemoveStrings
char ** CSLRemoveStrings(char **papszStrList, int nFirstLineToDelete, int nNumToRemove, char ***ppapszRetStrings) CPL_WARN_UNUSED_RESULT
Remove strings inside a StringList.
Definition: cpl_string.cpp:582

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