| 1 | /////////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: string.h |
| 3 | // Purpose: wxString and wxArrayString classes |
| 4 | // Author: Vadim Zeitlin |
| 5 | // Modified by: |
| 6 | // Created: 29/01/98 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr> |
| 9 | // Licence: wxWindows license |
| 10 | /////////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | #ifndef _WX_WXSTRINGH__ |
| 13 | #define _WX_WXSTRINGH__ |
| 14 | |
| 15 | #ifdef __GNUG__ |
| 16 | #pragma interface "string.h" |
| 17 | #endif |
| 18 | |
| 19 | #ifdef __WXMAC__ |
| 20 | #include <ctype.h> |
| 21 | #endif |
| 22 | |
| 23 | #ifdef __EMX__ |
| 24 | #include <std.h> |
| 25 | #endif |
| 26 | |
| 27 | #include <string.h> |
| 28 | #include <stdio.h> |
| 29 | #include <stdarg.h> |
| 30 | #include <limits.h> |
| 31 | #include <stdlib.h> |
| 32 | |
| 33 | #ifdef HAVE_STRINGS_H |
| 34 | #include <strings.h> // for strcasecmp() |
| 35 | #endif // AIX |
| 36 | |
| 37 | #ifndef WX_PRECOMP |
| 38 | #include "wx/defs.h" |
| 39 | |
| 40 | #ifdef WXSTRING_IS_WXOBJECT |
| 41 | #include "wx/object.h" |
| 42 | #endif |
| 43 | #endif // !PCH |
| 44 | |
| 45 | #include "wx/debug.h" |
| 46 | #include "wx/wxchar.h" |
| 47 | #include "wx/buffer.h" |
| 48 | |
| 49 | /* |
| 50 | Efficient string class [more or less] compatible with MFC CString, |
| 51 | wxWindows version 1 wxString and std::string and some handy functions |
| 52 | missing from string.h. |
| 53 | */ |
| 54 | |
| 55 | // --------------------------------------------------------------------------- |
| 56 | // macros |
| 57 | // --------------------------------------------------------------------------- |
| 58 | |
| 59 | // compile the std::string compatibility functions if defined |
| 60 | #define wxSTD_STRING_COMPATIBILITY |
| 61 | |
| 62 | // define to derive wxString from wxObject |
| 63 | #ifdef WXSTRING_IS_WXOBJECT |
| 64 | #undef WXSTRING_IS_WXOBJECT |
| 65 | #endif |
| 66 | |
| 67 | // maximum possible length for a string means "take all string" everywhere |
| 68 | // (as sizeof(StringData) is unknown here we substract 100) |
| 69 | const unsigned int wxSTRING_MAXLEN = UINT_MAX - 100; |
| 70 | |
| 71 | // 'naughty' cast |
| 72 | #define WXSTRINGCAST (wxChar *)(const wxChar *) |
| 73 | #define WXCSTRINGCAST (wxChar *)(const wxChar *) |
| 74 | #define MBSTRINGCAST (char *)(const char *) |
| 75 | #define WCSTRINGCAST (wchar_t *)(const wchar_t *) |
| 76 | |
| 77 | // implementation only |
| 78 | #define ASSERT_VALID_INDEX(i) wxASSERT( (unsigned)(i) <= Len() ) |
| 79 | |
| 80 | // --------------------------------------------------------------------------- |
| 81 | // Global functions complementing standard C string library replacements for |
| 82 | // strlen() and portable strcasecmp() |
| 83 | //--------------------------------------------------------------------------- |
| 84 | // USE wx* FUNCTIONS IN wx/wxchar.h INSTEAD - THIS IS ONLY FOR BINARY COMPATIBILITY |
| 85 | |
| 86 | // checks whether the passed in pointer is NULL and if the string is empty |
| 87 | inline bool WXDLLEXPORT IsEmpty(const char *p) { return (!p || !*p); } |
| 88 | |
| 89 | // safe version of strlen() (returns 0 if passed NULL pointer) |
| 90 | inline size_t WXDLLEXPORT Strlen(const char *psz) |
| 91 | { return psz ? strlen(psz) : 0; } |
| 92 | |
| 93 | // portable strcasecmp/_stricmp |
| 94 | inline int WXDLLEXPORT Stricmp(const char *psz1, const char *psz2) |
| 95 | { |
| 96 | #if defined(__VISUALC__) || ( defined(__MWERKS__) && defined(__INTEL__) ) |
| 97 | return _stricmp(psz1, psz2); |
| 98 | #elif defined(__SC__) |
| 99 | return _stricmp(psz1, psz2); |
| 100 | #elif defined(__SALFORDC__) |
| 101 | return stricmp(psz1, psz2); |
| 102 | #elif defined(__BORLANDC__) |
| 103 | return stricmp(psz1, psz2); |
| 104 | #elif defined(__WATCOMC__) |
| 105 | return stricmp(psz1, psz2); |
| 106 | #elif defined(__EMX__) |
| 107 | return stricmp(psz1, psz2); |
| 108 | #elif defined(__UNIX__) || defined(__GNUWIN32__) |
| 109 | return strcasecmp(psz1, psz2); |
| 110 | #elif defined(__MWERKS__) && !defined(__INTEL__) |
| 111 | register char c1, c2; |
| 112 | do { |
| 113 | c1 = tolower(*psz1++); |
| 114 | c2 = tolower(*psz2++); |
| 115 | } while ( c1 && (c1 == c2) ); |
| 116 | |
| 117 | return c1 - c2; |
| 118 | #else |
| 119 | // almost all compilers/libraries provide this function (unfortunately under |
| 120 | // different names), that's why we don't implement our own which will surely |
| 121 | // be more efficient than this code (uncomment to use): |
| 122 | /* |
| 123 | register char c1, c2; |
| 124 | do { |
| 125 | c1 = tolower(*psz1++); |
| 126 | c2 = tolower(*psz2++); |
| 127 | } while ( c1 && (c1 == c2) ); |
| 128 | |
| 129 | return c1 - c2; |
| 130 | */ |
| 131 | |
| 132 | #error "Please define string case-insensitive compare for your OS/compiler" |
| 133 | #endif // OS/compiler |
| 134 | } |
| 135 | |
| 136 | // ---------------------------------------------------------------------------- |
| 137 | // global data |
| 138 | // ---------------------------------------------------------------------------- |
| 139 | |
| 140 | WXDLLEXPORT_DATA(extern const wxChar*) wxEmptyString; |
| 141 | |
| 142 | // global pointer to empty string |
| 143 | WXDLLEXPORT_DATA(extern const wxChar*) g_szNul; |
| 144 | |
| 145 | // return an empty wxString |
| 146 | class WXDLLEXPORT wxString; // not yet defined |
| 147 | inline const wxString& wxGetEmptyString() { return *(wxString *)&g_szNul; } |
| 148 | |
| 149 | // --------------------------------------------------------------------------- |
| 150 | // string data prepended with some housekeeping info (used by wxString class), |
| 151 | // is never used directly (but had to be put here to allow inlining) |
| 152 | // --------------------------------------------------------------------------- |
| 153 | struct WXDLLEXPORT wxStringData |
| 154 | { |
| 155 | int nRefs; // reference count |
| 156 | size_t nDataLength, // actual string length |
| 157 | nAllocLength; // allocated memory size |
| 158 | |
| 159 | // mimics declaration 'wxChar data[nAllocLength]' |
| 160 | wxChar* data() const { return (wxChar*)(this + 1); } |
| 161 | |
| 162 | // empty string has a special ref count so it's never deleted |
| 163 | bool IsEmpty() const { return (nRefs == -1); } |
| 164 | bool IsShared() const { return (nRefs > 1); } |
| 165 | |
| 166 | // lock/unlock |
| 167 | void Lock() { if ( !IsEmpty() ) nRefs++; } |
| 168 | void Unlock() { if ( !IsEmpty() && --nRefs == 0) free(this); } |
| 169 | |
| 170 | // if we had taken control over string memory (GetWriteBuf), it's |
| 171 | // intentionally put in invalid state |
| 172 | void Validate(bool b) { nRefs = (b ? 1 : 0); } |
| 173 | bool IsValid() const { return (nRefs != 0); } |
| 174 | }; |
| 175 | |
| 176 | // --------------------------------------------------------------------------- |
| 177 | // types of multibyte<->Unicode conversions |
| 178 | // --------------------------------------------------------------------------- |
| 179 | #if wxUSE_WCHAR_T |
| 180 | class WXDLLEXPORT wxMBConv |
| 181 | { |
| 182 | public: |
| 183 | virtual size_t MB2WC(wchar_t *buf, const char *psz, size_t n) const; |
| 184 | virtual size_t WC2MB(char *buf, const wchar_t *psz, size_t n) const; |
| 185 | // No longer inline since BC++ complains. |
| 186 | const wxWCharBuffer cMB2WC(const char *psz) const; |
| 187 | const wxCharBuffer cWC2MB(const wchar_t *psz) const; |
| 188 | #if wxUSE_UNICODE |
| 189 | const wxWCharBuffer cMB2WX(const char *psz) const { return cMB2WC(psz); } |
| 190 | const wxCharBuffer cWX2MB(const wchar_t *psz) const { return cWC2MB(psz); } |
| 191 | const wchar_t* cWC2WX(const wchar_t *psz) const { return psz; } |
| 192 | const wchar_t* cMB2WC(const wchar_t *psz) const { return psz; } |
| 193 | #else |
| 194 | const char* cMB2WX(const char *psz) const { return psz; } |
| 195 | const char* cWX2MB(const char *psz) const { return psz; } |
| 196 | const wxCharBuffer cWC2WX(const wchar_t *psz) const { return cWC2MB(psz); } |
| 197 | const wxWCharBuffer cWX2WC(const char *psz) const { return cMB2WC(psz); } |
| 198 | #endif |
| 199 | }; |
| 200 | WXDLLEXPORT_DATA(extern wxMBConv) wxConvLibc; |
| 201 | |
| 202 | #define wxANOTHER_MBCONV(type) \ |
| 203 | class type : public wxMBConv { \ |
| 204 | public: \ |
| 205 | virtual size_t MB2WC(wchar_t *buf, const char *psz, size_t n) const; \ |
| 206 | virtual size_t WC2MB(char *buf, const wchar_t *psz, size_t n) const; \ |
| 207 | } |
| 208 | |
| 209 | WXDLLEXPORT_DATA(extern wxANOTHER_MBCONV(wxMBConvFile)) wxConvFile; |
| 210 | WXDLLEXPORT_DATA(extern wxANOTHER_MBCONV(wxMBConvUTF7)) wxConvUTF7; |
| 211 | WXDLLEXPORT_DATA(extern wxANOTHER_MBCONV(wxMBConvUTF8)) wxConvUTF8; |
| 212 | #ifdef __WXGTK12__ |
| 213 | WXDLLEXPORT_DATA(extern wxANOTHER_MBCONV(wxMBConvGdk)) wxConvGdk; |
| 214 | #endif |
| 215 | |
| 216 | class wxCharacterSet; |
| 217 | class WXDLLEXPORT wxCSConv : public wxMBConv |
| 218 | { |
| 219 | private: |
| 220 | wxChar *m_name; |
| 221 | wxCharacterSet *m_cset; |
| 222 | bool m_deferred; |
| 223 | void SetName(const wxChar *charset); |
| 224 | public: |
| 225 | wxCSConv(const wxChar *charset); |
| 226 | virtual ~wxCSConv(); |
| 227 | void LoadNow(); |
| 228 | virtual size_t MB2WC(wchar_t *buf, const char *psz, size_t n) const; |
| 229 | virtual size_t WC2MB(char *buf, const wchar_t *psz, size_t n) const; |
| 230 | }; |
| 231 | |
| 232 | WXDLLEXPORT_DATA(extern wxCSConv) wxConvLocal; |
| 233 | #define wxConv_local wxConvLocal |
| 234 | |
| 235 | WXDLLEXPORT_DATA(extern wxMBConv *) wxConvCurrent; |
| 236 | #define wxConv_current wxConvCurrent |
| 237 | |
| 238 | // filenames are multibyte on Unix and probably widechar on Windows? |
| 239 | #if defined(__UNIX__) || defined(__BORLANDC__) |
| 240 | #define wxMBFILES 1 |
| 241 | #else |
| 242 | #define wxMBFILES 0 |
| 243 | #endif |
| 244 | |
| 245 | #if wxMBFILES |
| 246 | #define wxFNCONV(name) wxConvFile.cWX2MB(name) |
| 247 | #define FNSTRINGCAST MBSTRINGCAST |
| 248 | #else |
| 249 | #define wxFNCONV(name) name |
| 250 | #define FNSTRINGCAST WXSTRINGCAST |
| 251 | #endif |
| 252 | #else//!wxUSE_WCHAR_T |
| 253 | class WXDLLEXPORT wxMBConv { |
| 254 | public: |
| 255 | const char* cMB2WX(const char *psz) const { return psz; } |
| 256 | const char* cWX2MB(const char *psz) const { return psz; } |
| 257 | }; |
| 258 | WXDLLEXPORT_DATA(extern wxMBConv) wxConvLibc, wxConvFile; |
| 259 | WXDLLEXPORT_DATA(extern wxMBConv *) wxConvCurrent; |
| 260 | #define wxFNCONV(name) name |
| 261 | #define FNSTRINGCAST WXSTRINGCAST |
| 262 | #endif//wxUSE_WCHAR_T |
| 263 | |
| 264 | // --------------------------------------------------------------------------- |
| 265 | // This is (yet another one) String class for C++ programmers. It doesn't use |
| 266 | // any of "advanced" C++ features (i.e. templates, exceptions, namespaces...) |
| 267 | // thus you should be able to compile it with practicaly any C++ compiler. |
| 268 | // This class uses copy-on-write technique, i.e. identical strings share the |
| 269 | // same memory as long as neither of them is changed. |
| 270 | // |
| 271 | // This class aims to be as compatible as possible with the new standard |
| 272 | // std::string class, but adds some additional functions and should be at |
| 273 | // least as efficient than the standard implementation. |
| 274 | // |
| 275 | // Performance note: it's more efficient to write functions which take "const |
| 276 | // String&" arguments than "const char *" if you assign the argument to |
| 277 | // another string. |
| 278 | // |
| 279 | // It was compiled and tested under Win32, Linux (libc 5 & 6), Solaris 5.5. |
| 280 | // |
| 281 | // To do: |
| 282 | // - ressource support (string tables in ressources) |
| 283 | // - more wide character (UNICODE) support |
| 284 | // - regular expressions support |
| 285 | // --------------------------------------------------------------------------- |
| 286 | |
| 287 | #ifdef WXSTRING_IS_WXOBJECT |
| 288 | class WXDLLEXPORT wxString : public wxObject |
| 289 | { |
| 290 | DECLARE_DYNAMIC_CLASS(wxString) |
| 291 | #else //WXSTRING_IS_WXOBJECT |
| 292 | class WXDLLEXPORT wxString |
| 293 | { |
| 294 | #endif //WXSTRING_IS_WXOBJECT |
| 295 | |
| 296 | friend class WXDLLEXPORT wxArrayString; |
| 297 | |
| 298 | // NB: special care was taken in arranging the member functions in such order |
| 299 | // that all inline functions can be effectively inlined, verify that all |
| 300 | // performace critical functions are still inlined if you change order! |
| 301 | private: |
| 302 | // points to data preceded by wxStringData structure with ref count info |
| 303 | wxChar *m_pchData; |
| 304 | |
| 305 | // accessor to string data |
| 306 | wxStringData* GetStringData() const { return (wxStringData*)m_pchData - 1; } |
| 307 | |
| 308 | // string (re)initialization functions |
| 309 | // initializes the string to the empty value (must be called only from |
| 310 | // ctors, use Reinit() otherwise) |
| 311 | void Init() { m_pchData = (wxChar *)g_szNul; } |
| 312 | // initializaes the string with (a part of) C-string |
| 313 | void InitWith(const wxChar *psz, size_t nPos = 0, size_t nLen = wxSTRING_MAXLEN); |
| 314 | // as Init, but also frees old data |
| 315 | void Reinit() { GetStringData()->Unlock(); Init(); } |
| 316 | |
| 317 | // memory allocation |
| 318 | // allocates memory for string of lenght nLen |
| 319 | void AllocBuffer(size_t nLen); |
| 320 | // copies data to another string |
| 321 | void AllocCopy(wxString&, int, int) const; |
| 322 | // effectively copies data to string |
| 323 | void AssignCopy(size_t, const wxChar *); |
| 324 | |
| 325 | // append a (sub)string |
| 326 | void ConcatSelf(int nLen, const wxChar *src); |
| 327 | |
| 328 | // functions called before writing to the string: they copy it if there |
| 329 | // are other references to our data (should be the only owner when writing) |
| 330 | void CopyBeforeWrite(); |
| 331 | void AllocBeforeWrite(size_t); |
| 332 | |
| 333 | // this method is not implemented - there is _no_ conversion from int to |
| 334 | // string, you're doing something wrong if the compiler wants to call it! |
| 335 | // |
| 336 | // try `s << i' or `s.Printf("%d", i)' instead |
| 337 | wxString(int); |
| 338 | wxString(long); |
| 339 | |
| 340 | public: |
| 341 | // constructors and destructor |
| 342 | // ctor for an empty string |
| 343 | wxString() { Init(); } |
| 344 | // copy ctor |
| 345 | wxString(const wxString& stringSrc) |
| 346 | { |
| 347 | wxASSERT( stringSrc.GetStringData()->IsValid() ); |
| 348 | |
| 349 | if ( stringSrc.IsEmpty() ) { |
| 350 | // nothing to do for an empty string |
| 351 | Init(); |
| 352 | } |
| 353 | else { |
| 354 | m_pchData = stringSrc.m_pchData; // share same data |
| 355 | GetStringData()->Lock(); // => one more copy |
| 356 | } |
| 357 | } |
| 358 | // string containing nRepeat copies of ch |
| 359 | wxString(wxChar ch, size_t nRepeat = 1); |
| 360 | // ctor takes first nLength characters from C string |
| 361 | // (default value of wxSTRING_MAXLEN means take all the string) |
| 362 | wxString(const wxChar *psz, size_t nLength = wxSTRING_MAXLEN) |
| 363 | { InitWith(psz, 0, nLength); } |
| 364 | #if wxUSE_UNICODE |
| 365 | // from multibyte string |
| 366 | // (NB: nLength is right now number of Unicode characters, not |
| 367 | // characters in psz! So try not to use it yet!) |
| 368 | wxString(const char *psz, wxMBConv& conv = wxConvLibc, size_t nLength = wxSTRING_MAXLEN); |
| 369 | // from wxWCharBuffer (i.e. return from wxGetString) |
| 370 | wxString(const wxWCharBuffer& psz) |
| 371 | { InitWith(psz, 0, wxSTRING_MAXLEN); } |
| 372 | #else |
| 373 | // from C string (for compilers using unsigned char) |
| 374 | wxString(const unsigned char* psz, size_t nLength = wxSTRING_MAXLEN) |
| 375 | { InitWith((const char*)psz, 0, nLength); } |
| 376 | // from multibyte string |
| 377 | wxString(const char *psz, wxMBConv& WXUNUSED(conv), size_t nLength = wxSTRING_MAXLEN) |
| 378 | { InitWith(psz, 0, nLength); } |
| 379 | #if wxUSE_WCHAR_T |
| 380 | // from wide (Unicode) string |
| 381 | wxString(const wchar_t *pwz); |
| 382 | #endif |
| 383 | // from wxCharBuffer |
| 384 | wxString(const wxCharBuffer& psz) |
| 385 | { InitWith(psz, 0, wxSTRING_MAXLEN); } |
| 386 | #endif |
| 387 | // dtor is not virtual, this class must not be inherited from! |
| 388 | ~wxString() { GetStringData()->Unlock(); } |
| 389 | |
| 390 | // generic attributes & operations |
| 391 | // as standard strlen() |
| 392 | size_t Len() const { return GetStringData()->nDataLength; } |
| 393 | // string contains any characters? |
| 394 | bool IsEmpty() const { return Len() == 0; } |
| 395 | // empty string is "FALSE", so !str will return TRUE |
| 396 | bool operator!() const { return IsEmpty(); } |
| 397 | // empty string contents |
| 398 | void Empty() |
| 399 | { |
| 400 | if ( !IsEmpty() ) |
| 401 | Reinit(); |
| 402 | |
| 403 | // should be empty |
| 404 | wxASSERT( GetStringData()->nDataLength == 0 ); |
| 405 | } |
| 406 | // empty the string and free memory |
| 407 | void Clear() |
| 408 | { |
| 409 | if ( !GetStringData()->IsEmpty() ) |
| 410 | Reinit(); |
| 411 | |
| 412 | wxASSERT( GetStringData()->nDataLength == 0 ); // should be empty |
| 413 | wxASSERT( GetStringData()->nAllocLength == 0 ); // and not own any memory |
| 414 | } |
| 415 | |
| 416 | // contents test |
| 417 | // Is an ascii value |
| 418 | bool IsAscii() const; |
| 419 | // Is a number |
| 420 | bool IsNumber() const; |
| 421 | // Is a word |
| 422 | bool IsWord() const; |
| 423 | |
| 424 | // data access (all indexes are 0 based) |
| 425 | // read access |
| 426 | wxChar GetChar(size_t n) const |
| 427 | { ASSERT_VALID_INDEX( n ); return m_pchData[n]; } |
| 428 | // read/write access |
| 429 | wxChar& GetWritableChar(size_t n) |
| 430 | { ASSERT_VALID_INDEX( n ); CopyBeforeWrite(); return m_pchData[n]; } |
| 431 | // write access |
| 432 | void SetChar(size_t n, wxChar ch) |
| 433 | { ASSERT_VALID_INDEX( n ); CopyBeforeWrite(); m_pchData[n] = ch; } |
| 434 | |
| 435 | // get last character |
| 436 | wxChar Last() const |
| 437 | { wxASSERT( !IsEmpty() ); return m_pchData[Len() - 1]; } |
| 438 | // get writable last character |
| 439 | wxChar& Last() |
| 440 | { wxASSERT( !IsEmpty() ); CopyBeforeWrite(); return m_pchData[Len()-1]; } |
| 441 | |
| 442 | // under Unix it is tested with configure, assume it works on other |
| 443 | // platforms (there might be overloading problems if size_t and int are |
| 444 | // the same type) |
| 445 | #if !defined(__UNIX__) || wxUSE_SIZE_T_STRING_OPERATOR |
| 446 | // operator version of GetChar |
| 447 | wxChar operator[](size_t n) const |
| 448 | { ASSERT_VALID_INDEX( n ); return m_pchData[n]; } |
| 449 | #endif |
| 450 | |
| 451 | // operator version of GetChar |
| 452 | wxChar operator[](int n) const |
| 453 | { ASSERT_VALID_INDEX( n ); return m_pchData[n]; } |
| 454 | // operator version of GetWritableChar |
| 455 | wxChar& operator[](size_t n) |
| 456 | { ASSERT_VALID_INDEX( n ); CopyBeforeWrite(); return m_pchData[n]; } |
| 457 | |
| 458 | // implicit conversion to C string |
| 459 | operator const wxChar*() const { return m_pchData; } |
| 460 | // explicit conversion to C string (use this with printf()!) |
| 461 | const wxChar* c_str() const { return m_pchData; } |
| 462 | // (and this with [wx]Printf()!) |
| 463 | const wxChar* wx_str() const { return m_pchData; } |
| 464 | // |
| 465 | const wxChar* GetData() const { return m_pchData; } |
| 466 | #if wxUSE_UNICODE |
| 467 | const wxCharBuffer mb_str(wxMBConv& conv = wxConvLibc) const { return conv.cWC2MB(m_pchData); } |
| 468 | const wxChar* wc_str(wxMBConv& WXUNUSED(conv) = wxConvLibc) const { return m_pchData; } |
| 469 | #if wxMBFILES |
| 470 | const wxCharBuffer fn_str() const { return mb_str(wxConvFile); } |
| 471 | #else |
| 472 | const wxChar* fn_str() const { return m_pchData; } |
| 473 | #endif |
| 474 | #else |
| 475 | const wxChar* mb_str(wxMBConv& WXUNUSED(conv) = wxConvLibc ) const { return m_pchData; } |
| 476 | #if wxUSE_WCHAR_T |
| 477 | const wxWCharBuffer wc_str(wxMBConv& conv) const { return conv.cMB2WC(m_pchData); } |
| 478 | #endif |
| 479 | const wxChar* fn_str() const { return m_pchData; } |
| 480 | #endif |
| 481 | // for convenience |
| 482 | const wxWX2MBbuf mbc_str() const { return mb_str(*wxConvCurrent); } |
| 483 | |
| 484 | // overloaded assignment |
| 485 | // from another wxString |
| 486 | wxString& operator=(const wxString& stringSrc); |
| 487 | // from a character |
| 488 | wxString& operator=(wxChar ch); |
| 489 | // from a C string |
| 490 | wxString& operator=(const wxChar *psz); |
| 491 | #if wxUSE_UNICODE |
| 492 | // from wxWCharBuffer |
| 493 | wxString& operator=(const wxWCharBuffer& psz) { return operator=((const wchar_t *)psz); } |
| 494 | #else |
| 495 | // from another kind of C string |
| 496 | wxString& operator=(const unsigned char* psz); |
| 497 | #if wxUSE_WCHAR_T |
| 498 | // from a wide string |
| 499 | wxString& operator=(const wchar_t *pwz); |
| 500 | #endif |
| 501 | // from wxCharBuffer |
| 502 | wxString& operator=(const wxCharBuffer& psz) { return operator=((const char *)psz); } |
| 503 | #endif |
| 504 | |
| 505 | // string concatenation |
| 506 | // in place concatenation |
| 507 | /* |
| 508 | Concatenate and return the result. Note that the left to right |
| 509 | associativity of << allows to write things like "str << str1 << str2 |
| 510 | << ..." (unlike with +=) |
| 511 | */ |
| 512 | // string += string |
| 513 | wxString& operator<<(const wxString& s) |
| 514 | { |
| 515 | wxASSERT( s.GetStringData()->IsValid() ); |
| 516 | |
| 517 | ConcatSelf(s.Len(), s); |
| 518 | return *this; |
| 519 | } |
| 520 | // string += C string |
| 521 | wxString& operator<<(const wxChar *psz) |
| 522 | { ConcatSelf(wxStrlen(psz), psz); return *this; } |
| 523 | // string += char |
| 524 | wxString& operator<<(wxChar ch) { ConcatSelf(1, &ch); return *this; } |
| 525 | |
| 526 | // string += string |
| 527 | void operator+=(const wxString& s) { (void)operator<<(s); } |
| 528 | // string += C string |
| 529 | void operator+=(const wxChar *psz) { (void)operator<<(psz); } |
| 530 | // string += char |
| 531 | void operator+=(wxChar ch) { (void)operator<<(ch); } |
| 532 | |
| 533 | // string += buffer (i.e. from wxGetString) |
| 534 | #if wxUSE_UNICODE |
| 535 | wxString& operator<<(const wxWCharBuffer& s) { (void)operator<<((const wchar_t *)s); return *this; } |
| 536 | void operator+=(const wxWCharBuffer& s) { (void)operator<<((const wchar_t *)s); } |
| 537 | #else |
| 538 | wxString& operator<<(const wxCharBuffer& s) { (void)operator<<((const char *)s); return *this; } |
| 539 | void operator+=(const wxCharBuffer& s) { (void)operator<<((const char *)s); } |
| 540 | #endif |
| 541 | |
| 542 | // string += C string |
| 543 | wxString& Append(const wxChar* psz) |
| 544 | { ConcatSelf(wxStrlen(psz), psz); return *this; } |
| 545 | // append count copies of given character |
| 546 | wxString& Append(wxChar ch, size_t count = 1u) |
| 547 | { wxString str(ch, count); return *this << str; } |
| 548 | |
| 549 | // prepend a string, return the string itself |
| 550 | wxString& Prepend(const wxString& str) |
| 551 | { *this = str + *this; return *this; } |
| 552 | |
| 553 | // non-destructive concatenation |
| 554 | // |
| 555 | friend wxString WXDLLEXPORT operator+(const wxString& string1, const wxString& string2); |
| 556 | // |
| 557 | friend wxString WXDLLEXPORT operator+(const wxString& string, wxChar ch); |
| 558 | // |
| 559 | friend wxString WXDLLEXPORT operator+(wxChar ch, const wxString& string); |
| 560 | // |
| 561 | friend wxString WXDLLEXPORT operator+(const wxString& string, const wxChar *psz); |
| 562 | // |
| 563 | friend wxString WXDLLEXPORT operator+(const wxChar *psz, const wxString& string); |
| 564 | |
| 565 | // stream-like functions |
| 566 | // insert an int into string |
| 567 | wxString& operator<<(int i); |
| 568 | // insert a float into string |
| 569 | wxString& operator<<(float f); |
| 570 | // insert a double into string |
| 571 | wxString& operator<<(double d); |
| 572 | |
| 573 | // string comparison |
| 574 | // case-sensitive comparison (returns a value < 0, = 0 or > 0) |
| 575 | int Cmp(const wxChar *psz) const { return wxStrcmp(c_str(), psz); } |
| 576 | // same as Cmp() but not case-sensitive |
| 577 | int CmpNoCase(const wxChar *psz) const { return wxStricmp(c_str(), psz); } |
| 578 | // test for the string equality, either considering case or not |
| 579 | // (if compareWithCase then the case matters) |
| 580 | bool IsSameAs(const wxChar *psz, bool compareWithCase = TRUE) const |
| 581 | { return (compareWithCase ? Cmp(psz) : CmpNoCase(psz)) == 0; } |
| 582 | // comparison with a signle character: returns TRUE if equal |
| 583 | bool IsSameAs(wxChar c, bool compareWithCase = TRUE) const |
| 584 | { |
| 585 | return (Len() == 1) && (compareWithCase ? GetChar(0u) == c |
| 586 | : wxToupper(GetChar(0u)) == wxToupper(c)); |
| 587 | } |
| 588 | |
| 589 | // simple sub-string extraction |
| 590 | // return substring starting at nFirst of length nCount (or till the end |
| 591 | // if nCount = default value) |
| 592 | wxString Mid(size_t nFirst, size_t nCount = wxSTRING_MAXLEN) const; |
| 593 | |
| 594 | // operator version of Mid() |
| 595 | wxString operator()(size_t start, size_t len) const |
| 596 | { return Mid(start, len); } |
| 597 | |
| 598 | // get first nCount characters |
| 599 | wxString Left(size_t nCount) const; |
| 600 | // get last nCount characters |
| 601 | wxString Right(size_t nCount) const; |
| 602 | // get all characters before the first occurence of ch |
| 603 | // (returns the whole string if ch not found) |
| 604 | wxString BeforeFirst(wxChar ch) const; |
| 605 | // get all characters before the last occurence of ch |
| 606 | // (returns empty string if ch not found) |
| 607 | wxString BeforeLast(wxChar ch) const; |
| 608 | // get all characters after the first occurence of ch |
| 609 | // (returns empty string if ch not found) |
| 610 | wxString AfterFirst(wxChar ch) const; |
| 611 | // get all characters after the last occurence of ch |
| 612 | // (returns the whole string if ch not found) |
| 613 | wxString AfterLast(wxChar ch) const; |
| 614 | |
| 615 | // for compatibility only, use more explicitly named functions above |
| 616 | wxString Before(wxChar ch) const { return BeforeLast(ch); } |
| 617 | wxString After(wxChar ch) const { return AfterFirst(ch); } |
| 618 | |
| 619 | // case conversion |
| 620 | // convert to upper case in place, return the string itself |
| 621 | wxString& MakeUpper(); |
| 622 | // convert to upper case, return the copy of the string |
| 623 | // Here's something to remember: BC++ doesn't like returns in inlines. |
| 624 | wxString Upper() const ; |
| 625 | // convert to lower case in place, return the string itself |
| 626 | wxString& MakeLower(); |
| 627 | // convert to lower case, return the copy of the string |
| 628 | wxString Lower() const ; |
| 629 | |
| 630 | // trimming/padding whitespace (either side) and truncating |
| 631 | // remove spaces from left or from right (default) side |
| 632 | wxString& Trim(bool bFromRight = TRUE); |
| 633 | // add nCount copies chPad in the beginning or at the end (default) |
| 634 | wxString& Pad(size_t nCount, wxChar chPad = _T(' '), bool bFromRight = TRUE); |
| 635 | // truncate string to given length |
| 636 | wxString& Truncate(size_t uiLen); |
| 637 | |
| 638 | // searching and replacing |
| 639 | // searching (return starting index, or -1 if not found) |
| 640 | int Find(wxChar ch, bool bFromEnd = FALSE) const; // like strchr/strrchr |
| 641 | // searching (return starting index, or -1 if not found) |
| 642 | int Find(const wxChar *pszSub) const; // like strstr |
| 643 | // replace first (or all of bReplaceAll) occurences of substring with |
| 644 | // another string, returns the number of replacements made |
| 645 | size_t Replace(const wxChar *szOld, |
| 646 | const wxChar *szNew, |
| 647 | bool bReplaceAll = TRUE); |
| 648 | |
| 649 | // check if the string contents matches a mask containing '*' and '?' |
| 650 | bool Matches(const wxChar *szMask) const; |
| 651 | |
| 652 | // formated input/output |
| 653 | // as sprintf(), returns the number of characters written or < 0 on error |
| 654 | int Printf(const wxChar *pszFormat, ...); |
| 655 | // as vprintf(), returns the number of characters written or < 0 on error |
| 656 | int PrintfV(const wxChar* pszFormat, va_list argptr); |
| 657 | |
| 658 | // raw access to string memory |
| 659 | // ensure that string has space for at least nLen characters |
| 660 | // only works if the data of this string is not shared |
| 661 | void Alloc(size_t nLen); |
| 662 | // minimize the string's memory |
| 663 | // only works if the data of this string is not shared |
| 664 | void Shrink(); |
| 665 | // get writable buffer of at least nLen bytes. Unget() *must* be called |
| 666 | // a.s.a.p. to put string back in a reasonable state! |
| 667 | wxChar *GetWriteBuf(size_t nLen); |
| 668 | // call this immediately after GetWriteBuf() has been used |
| 669 | void UngetWriteBuf(); |
| 670 | |
| 671 | // wxWindows version 1 compatibility functions |
| 672 | |
| 673 | // use Mid() |
| 674 | wxString SubString(size_t from, size_t to) const |
| 675 | { return Mid(from, (to - from + 1)); } |
| 676 | // values for second parameter of CompareTo function |
| 677 | enum caseCompare {exact, ignoreCase}; |
| 678 | // values for first parameter of Strip function |
| 679 | enum stripType {leading = 0x1, trailing = 0x2, both = 0x3}; |
| 680 | |
| 681 | // use Printf() |
| 682 | int sprintf(const wxChar *pszFormat, ...); |
| 683 | |
| 684 | // use Cmp() |
| 685 | inline int CompareTo(const wxChar* psz, caseCompare cmp = exact) const |
| 686 | { return cmp == exact ? Cmp(psz) : CmpNoCase(psz); } |
| 687 | |
| 688 | // use Len |
| 689 | size_t Length() const { return Len(); } |
| 690 | // Count the number of characters |
| 691 | int Freq(wxChar ch) const; |
| 692 | // use MakeLower |
| 693 | void LowerCase() { MakeLower(); } |
| 694 | // use MakeUpper |
| 695 | void UpperCase() { MakeUpper(); } |
| 696 | // use Trim except that it doesn't change this string |
| 697 | wxString Strip(stripType w = trailing) const; |
| 698 | |
| 699 | // use Find (more general variants not yet supported) |
| 700 | size_t Index(const wxChar* psz) const { return Find(psz); } |
| 701 | size_t Index(wxChar ch) const { return Find(ch); } |
| 702 | // use Truncate |
| 703 | wxString& Remove(size_t pos) { return Truncate(pos); } |
| 704 | wxString& RemoveLast() { return Truncate(Len() - 1); } |
| 705 | |
| 706 | wxString& Remove(size_t nStart, size_t nLen) { return erase( nStart, nLen ); } |
| 707 | |
| 708 | // use Find() |
| 709 | int First( const wxChar ch ) const { return Find(ch); } |
| 710 | int First( const wxChar* psz ) const { return Find(psz); } |
| 711 | int First( const wxString &str ) const { return Find(str); } |
| 712 | int Last( const wxChar ch ) const { return Find(ch, TRUE); } |
| 713 | bool Contains(const wxString& str) const { return Find(str) != -1; } |
| 714 | |
| 715 | // use IsEmpty() |
| 716 | bool IsNull() const { return IsEmpty(); } |
| 717 | |
| 718 | #ifdef wxSTD_STRING_COMPATIBILITY |
| 719 | // std::string compatibility functions |
| 720 | |
| 721 | // standard types |
| 722 | typedef wxChar value_type; |
| 723 | typedef const value_type *const_iterator; |
| 724 | |
| 725 | // an 'invalid' value for string index |
| 726 | static const size_t npos; |
| 727 | |
| 728 | // constructors |
| 729 | // take nLen chars starting at nPos |
| 730 | wxString(const wxString& str, size_t nPos, size_t nLen) |
| 731 | { |
| 732 | wxASSERT( str.GetStringData()->IsValid() ); |
| 733 | InitWith(str.c_str(), nPos, nLen == npos ? 0 : nLen); |
| 734 | } |
| 735 | // take all characters from pStart to pEnd |
| 736 | wxString(const void *pStart, const void *pEnd); |
| 737 | |
| 738 | // lib.string.capacity |
| 739 | // return the length of the string |
| 740 | size_t size() const { return Len(); } |
| 741 | // return the length of the string |
| 742 | size_t length() const { return Len(); } |
| 743 | // return the maximum size of the string |
| 744 | size_t max_size() const { return wxSTRING_MAXLEN; } |
| 745 | // resize the string, filling the space with c if c != 0 |
| 746 | void resize(size_t nSize, wxChar ch = _T('\0')); |
| 747 | // delete the contents of the string |
| 748 | void clear() { Empty(); } |
| 749 | // returns true if the string is empty |
| 750 | bool empty() const { return IsEmpty(); } |
| 751 | |
| 752 | // lib.string.access |
| 753 | // return the character at position n |
| 754 | wxChar at(size_t n) const { return GetChar(n); } |
| 755 | // returns the writable character at position n |
| 756 | wxChar& at(size_t n) { return GetWritableChar(n); } |
| 757 | |
| 758 | // first valid index position |
| 759 | const_iterator begin() const { return wx_str(); } |
| 760 | // position one after the last valid one |
| 761 | const_iterator end() const { return wx_str() + length(); } |
| 762 | |
| 763 | // lib.string.modifiers |
| 764 | // append a string |
| 765 | wxString& append(const wxString& str) |
| 766 | { *this += str; return *this; } |
| 767 | // append elements str[pos], ..., str[pos+n] |
| 768 | wxString& append(const wxString& str, size_t pos, size_t n) |
| 769 | { ConcatSelf(n, str.c_str() + pos); return *this; } |
| 770 | // append first n (or all if n == npos) characters of sz |
| 771 | wxString& append(const wxChar *sz, size_t n = npos) |
| 772 | { ConcatSelf(n == npos ? wxStrlen(sz) : n, sz); return *this; } |
| 773 | |
| 774 | // append n copies of ch |
| 775 | wxString& append(size_t n, wxChar ch) { return Pad(n, ch); } |
| 776 | |
| 777 | // same as `this_string = str' |
| 778 | wxString& assign(const wxString& str) { return (*this) = str; } |
| 779 | // same as ` = str[pos..pos + n] |
| 780 | wxString& assign(const wxString& str, size_t pos, size_t n) |
| 781 | { return *this = wxString((const wxChar *)str + pos, n); } |
| 782 | // same as `= first n (or all if n == npos) characters of sz' |
| 783 | wxString& assign(const wxChar *sz, size_t n = npos) |
| 784 | { return *this = wxString(sz, n); } |
| 785 | // same as `= n copies of ch' |
| 786 | wxString& assign(size_t n, wxChar ch) |
| 787 | { return *this = wxString(ch, n); } |
| 788 | |
| 789 | // insert another string |
| 790 | wxString& insert(size_t nPos, const wxString& str); |
| 791 | // insert n chars of str starting at nStart (in str) |
| 792 | wxString& insert(size_t nPos, const wxString& str, size_t nStart, size_t n) |
| 793 | { return insert(nPos, wxString((const wxChar *)str + nStart, n)); } |
| 794 | |
| 795 | // insert first n (or all if n == npos) characters of sz |
| 796 | wxString& insert(size_t nPos, const wxChar *sz, size_t n = npos) |
| 797 | { return insert(nPos, wxString(sz, n)); } |
| 798 | // insert n copies of ch |
| 799 | wxString& insert(size_t nPos, size_t n, wxChar ch) |
| 800 | { return insert(nPos, wxString(ch, n)); } |
| 801 | |
| 802 | // delete characters from nStart to nStart + nLen |
| 803 | wxString& erase(size_t nStart = 0, size_t nLen = npos); |
| 804 | |
| 805 | // replaces the substring of length nLen starting at nStart |
| 806 | wxString& replace(size_t nStart, size_t nLen, const wxChar* sz); |
| 807 | // replaces the substring with nCount copies of ch |
| 808 | wxString& replace(size_t nStart, size_t nLen, size_t nCount, wxChar ch); |
| 809 | // replaces a substring with another substring |
| 810 | wxString& replace(size_t nStart, size_t nLen, |
| 811 | const wxString& str, size_t nStart2, size_t nLen2); |
| 812 | // replaces the substring with first nCount chars of sz |
| 813 | wxString& replace(size_t nStart, size_t nLen, |
| 814 | const wxChar* sz, size_t nCount); |
| 815 | |
| 816 | // swap two strings |
| 817 | void swap(wxString& str); |
| 818 | |
| 819 | // All find() functions take the nStart argument which specifies the |
| 820 | // position to start the search on, the default value is 0. All functions |
| 821 | // return npos if there were no match. |
| 822 | |
| 823 | // find a substring |
| 824 | size_t find(const wxString& str, size_t nStart = 0) const; |
| 825 | |
| 826 | // VC++ 1.5 can't cope with this syntax. |
| 827 | #if !defined(__VISUALC__) || defined(__WIN32__) |
| 828 | // find first n characters of sz |
| 829 | size_t find(const wxChar* sz, size_t nStart = 0, size_t n = npos) const; |
| 830 | #endif |
| 831 | |
| 832 | // Gives a duplicate symbol (presumably a case-insensitivity problem) |
| 833 | #if !defined(__BORLANDC__) |
| 834 | // find the first occurence of character ch after nStart |
| 835 | size_t find(wxChar ch, size_t nStart = 0) const; |
| 836 | #endif |
| 837 | // rfind() family is exactly like find() but works right to left |
| 838 | |
| 839 | // as find, but from the end |
| 840 | size_t rfind(const wxString& str, size_t nStart = npos) const; |
| 841 | |
| 842 | // VC++ 1.5 can't cope with this syntax. |
| 843 | #if !defined(__VISUALC__) || defined(__WIN32__) |
| 844 | // as find, but from the end |
| 845 | size_t rfind(const wxChar* sz, size_t nStart = npos, |
| 846 | size_t n = npos) const; |
| 847 | // as find, but from the end |
| 848 | size_t rfind(wxChar ch, size_t nStart = npos) const; |
| 849 | #endif |
| 850 | |
| 851 | // find first/last occurence of any character in the set |
| 852 | |
| 853 | // as strpbrk() but starts at nStart, returns npos if not found |
| 854 | size_t find_first_of(const wxString& str, size_t nStart = 0) const |
| 855 | { return find_first_of(str.c_str(), nStart); } |
| 856 | // same as above |
| 857 | size_t find_first_of(const wxChar* sz, size_t nStart = 0) const; |
| 858 | // same as find(char, size_t) |
| 859 | size_t find_first_of(wxChar c, size_t nStart = 0) const |
| 860 | { return find(c, nStart); } |
| 861 | // find the last (starting from nStart) char from str in this string |
| 862 | size_t find_last_of (const wxString& str, size_t nStart = npos) const |
| 863 | { return find_last_of(str.c_str(), nStart); } |
| 864 | // same as above |
| 865 | size_t find_last_of (const wxChar* sz, size_t nStart = npos) const; |
| 866 | // same as above |
| 867 | size_t find_last_of(wxChar c, size_t nStart = npos) const |
| 868 | { return rfind(c, nStart); } |
| 869 | |
| 870 | // find first/last occurence of any character not in the set |
| 871 | |
| 872 | // as strspn() (starting from nStart), returns npos on failure |
| 873 | size_t find_first_not_of(const wxString& str, size_t nStart = 0) const |
| 874 | { return find_first_not_of(str.c_str(), nStart); } |
| 875 | // same as above |
| 876 | size_t find_first_not_of(const wxChar* sz, size_t nStart = 0) const; |
| 877 | // same as above |
| 878 | size_t find_first_not_of(wxChar ch, size_t nStart = 0) const; |
| 879 | // as strcspn() |
| 880 | size_t find_last_not_of(const wxString& str, size_t nStart=npos) const; |
| 881 | // same as above |
| 882 | size_t find_last_not_of(const wxChar* sz, size_t nStart = npos) const; |
| 883 | // same as above |
| 884 | size_t find_last_not_of(wxChar ch, size_t nStart = npos) const; |
| 885 | |
| 886 | // All compare functions return -1, 0 or 1 if the [sub]string is less, |
| 887 | // equal or greater than the compare() argument. |
| 888 | |
| 889 | // just like strcmp() |
| 890 | int compare(const wxString& str) const { return Cmp(str); } |
| 891 | // comparison with a substring |
| 892 | int compare(size_t nStart, size_t nLen, const wxString& str) const; |
| 893 | // comparison of 2 substrings |
| 894 | int compare(size_t nStart, size_t nLen, |
| 895 | const wxString& str, size_t nStart2, size_t nLen2) const; |
| 896 | // just like strcmp() |
| 897 | int compare(const wxChar* sz) const { return Cmp(sz); } |
| 898 | // substring comparison with first nCount characters of sz |
| 899 | int compare(size_t nStart, size_t nLen, |
| 900 | const wxChar* sz, size_t nCount = npos) const; |
| 901 | |
| 902 | // substring extraction |
| 903 | wxString substr(size_t nStart = 0, size_t nLen = npos) const; |
| 904 | #endif // wxSTD_STRING_COMPATIBILITY |
| 905 | }; |
| 906 | |
| 907 | // ---------------------------------------------------------------------------- |
| 908 | // The string array uses it's knowledge of internal structure of the wxString |
| 909 | // class to optimize string storage. Normally, we would store pointers to |
| 910 | // string, but as wxString is, in fact, itself a pointer (sizeof(wxString) is |
| 911 | // sizeof(char *)) we store these pointers instead. The cast to "wxString *" is |
| 912 | // really all we need to turn such pointer into a string! |
| 913 | // |
| 914 | // Of course, it can be called a dirty hack, but we use twice less memory and |
| 915 | // this approach is also more speed efficient, so it's probably worth it. |
| 916 | // |
| 917 | // Usage notes: when a string is added/inserted, a new copy of it is created, |
| 918 | // so the original string may be safely deleted. When a string is retrieved |
| 919 | // from the array (operator[] or Item() method), a reference is returned. |
| 920 | // ---------------------------------------------------------------------------- |
| 921 | class WXDLLEXPORT wxArrayString |
| 922 | { |
| 923 | public: |
| 924 | // type of function used by wxArrayString::Sort() |
| 925 | typedef int (*CompareFunction)(const wxString& first, |
| 926 | const wxString& second); |
| 927 | |
| 928 | // constructors and destructor |
| 929 | // default ctor |
| 930 | wxArrayString(); |
| 931 | // copy ctor |
| 932 | wxArrayString(const wxArrayString& array); |
| 933 | // assignment operator |
| 934 | wxArrayString& operator=(const wxArrayString& src); |
| 935 | // not virtual, this class should not be derived from |
| 936 | ~wxArrayString(); |
| 937 | |
| 938 | // memory management |
| 939 | // empties the list, but doesn't release memory |
| 940 | void Empty(); |
| 941 | // empties the list and releases memory |
| 942 | void Clear(); |
| 943 | // preallocates memory for given number of items |
| 944 | void Alloc(size_t nCount); |
| 945 | // minimzes the memory usage (by freeing all extra memory) |
| 946 | void Shrink(); |
| 947 | |
| 948 | // simple accessors |
| 949 | // number of elements in the array |
| 950 | size_t GetCount() const { return m_nCount; } |
| 951 | // is it empty? |
| 952 | bool IsEmpty() const { return m_nCount == 0; } |
| 953 | // number of elements in the array (GetCount is preferred API) |
| 954 | size_t Count() const { return m_nCount; } |
| 955 | |
| 956 | // items access (range checking is done in debug version) |
| 957 | // get item at position uiIndex |
| 958 | wxString& Item(size_t nIndex) const |
| 959 | { wxASSERT( nIndex < m_nCount ); return *(wxString *)&(m_pItems[nIndex]); } |
| 960 | // same as Item() |
| 961 | wxString& operator[](size_t nIndex) const { return Item(nIndex); } |
| 962 | // get last item |
| 963 | wxString& Last() const { wxASSERT( !IsEmpty() ); return Item(Count() - 1); } |
| 964 | |
| 965 | // item management |
| 966 | // Search the element in the array, starting from the beginning if |
| 967 | // bFromEnd is FALSE or from end otherwise. If bCase, comparison is case |
| 968 | // sensitive (default). Returns index of the first item matched or |
| 969 | // wxNOT_FOUND |
| 970 | int Index (const wxChar *sz, bool bCase = TRUE, bool bFromEnd = FALSE) const; |
| 971 | // add new element at the end |
| 972 | void Add(const wxString& str); |
| 973 | // add new element at given position |
| 974 | void Insert(const wxString& str, size_t uiIndex); |
| 975 | // remove first item matching this value |
| 976 | void Remove(const wxChar *sz); |
| 977 | // remove item by index |
| 978 | void Remove(size_t nIndex); |
| 979 | |
| 980 | // sorting |
| 981 | // sort array elements in alphabetical order (or reversed alphabetical |
| 982 | // order if reverseOrder parameter is TRUE) |
| 983 | void Sort(bool reverseOrder = FALSE); |
| 984 | // sort array elements using specified comparaison function |
| 985 | void Sort(CompareFunction compareFunction); |
| 986 | |
| 987 | private: |
| 988 | void Grow(); // makes array bigger if needed |
| 989 | void Free(); // free the string stored |
| 990 | |
| 991 | void DoSort(); // common part of all Sort() variants |
| 992 | |
| 993 | size_t m_nSize, // current size of the array |
| 994 | m_nCount; // current number of elements |
| 995 | |
| 996 | wxChar **m_pItems; // pointer to data |
| 997 | }; |
| 998 | |
| 999 | // --------------------------------------------------------------------------- |
| 1000 | // wxString comparison functions: operator versions are always case sensitive |
| 1001 | // --------------------------------------------------------------------------- |
| 1002 | |
| 1003 | // |
| 1004 | inline bool operator==(const wxString& s1, const wxString& s2) { return (s1.Cmp(s2) == 0); } |
| 1005 | // |
| 1006 | inline bool operator==(const wxString& s1, const wxChar * s2) { return (s1.Cmp(s2) == 0); } |
| 1007 | // |
| 1008 | inline bool operator==(const wxChar * s1, const wxString& s2) { return (s2.Cmp(s1) == 0); } |
| 1009 | // |
| 1010 | inline bool operator!=(const wxString& s1, const wxString& s2) { return (s1.Cmp(s2) != 0); } |
| 1011 | // |
| 1012 | inline bool operator!=(const wxString& s1, const wxChar * s2) { return (s1.Cmp(s2) != 0); } |
| 1013 | // |
| 1014 | inline bool operator!=(const wxChar * s1, const wxString& s2) { return (s2.Cmp(s1) != 0); } |
| 1015 | // |
| 1016 | inline bool operator< (const wxString& s1, const wxString& s2) { return (s1.Cmp(s2) < 0); } |
| 1017 | // |
| 1018 | inline bool operator< (const wxString& s1, const wxChar * s2) { return (s1.Cmp(s2) < 0); } |
| 1019 | // |
| 1020 | inline bool operator< (const wxChar * s1, const wxString& s2) { return (s2.Cmp(s1) > 0); } |
| 1021 | // |
| 1022 | inline bool operator> (const wxString& s1, const wxString& s2) { return (s1.Cmp(s2) > 0); } |
| 1023 | // |
| 1024 | inline bool operator> (const wxString& s1, const wxChar * s2) { return (s1.Cmp(s2) > 0); } |
| 1025 | // |
| 1026 | inline bool operator> (const wxChar * s1, const wxString& s2) { return (s2.Cmp(s1) < 0); } |
| 1027 | // |
| 1028 | inline bool operator<=(const wxString& s1, const wxString& s2) { return (s1.Cmp(s2) <= 0); } |
| 1029 | // |
| 1030 | inline bool operator<=(const wxString& s1, const wxChar * s2) { return (s1.Cmp(s2) <= 0); } |
| 1031 | // |
| 1032 | inline bool operator<=(const wxChar * s1, const wxString& s2) { return (s2.Cmp(s1) >= 0); } |
| 1033 | // |
| 1034 | inline bool operator>=(const wxString& s1, const wxString& s2) { return (s1.Cmp(s2) >= 0); } |
| 1035 | // |
| 1036 | inline bool operator>=(const wxString& s1, const wxChar * s2) { return (s1.Cmp(s2) >= 0); } |
| 1037 | // |
| 1038 | inline bool operator>=(const wxChar * s1, const wxString& s2) { return (s2.Cmp(s1) <= 0); } |
| 1039 | |
| 1040 | // comparison with char |
| 1041 | inline bool operator==(wxChar c, const wxString& s) { return s.IsSameAs(c); } |
| 1042 | inline bool operator==(const wxString& s, wxChar c) { return s.IsSameAs(c); } |
| 1043 | inline bool operator!=(wxChar c, const wxString& s) { return !s.IsSameAs(c); } |
| 1044 | inline bool operator!=(const wxString& s, wxChar c) { return !s.IsSameAs(c); } |
| 1045 | |
| 1046 | #if wxUSE_UNICODE |
| 1047 | inline bool operator==(const wxString& s1, const wxWCharBuffer& s2) |
| 1048 | { return (s1.Cmp((const wchar_t *)s2) == 0); } |
| 1049 | inline bool operator==(const wxWCharBuffer& s1, const wxString& s2) |
| 1050 | { return (s2.Cmp((const wchar_t *)s1) == 0); } |
| 1051 | #else |
| 1052 | inline bool operator==(const wxString& s1, const wxCharBuffer& s2) |
| 1053 | { return (s1.Cmp((const char *)s2) == 0); } |
| 1054 | inline bool operator==(const wxCharBuffer& s1, const wxString& s2) |
| 1055 | { return (s2.Cmp((const char *)s1) == 0); } |
| 1056 | #endif |
| 1057 | |
| 1058 | wxString WXDLLEXPORT operator+(const wxString& string1, const wxString& string2); |
| 1059 | wxString WXDLLEXPORT operator+(const wxString& string, wxChar ch); |
| 1060 | wxString WXDLLEXPORT operator+(wxChar ch, const wxString& string); |
| 1061 | wxString WXDLLEXPORT operator+(const wxString& string, const wxChar *psz); |
| 1062 | wxString WXDLLEXPORT operator+(const wxChar *psz, const wxString& string); |
| 1063 | #if wxUSE_UNICODE |
| 1064 | inline wxString WXDLLEXPORT operator+(const wxString& string, const wxWCharBuffer& buf) |
| 1065 | { return string + (const wchar_t *)buf; } |
| 1066 | inline wxString WXDLLEXPORT operator+(const wxWCharBuffer& buf, const wxString& string) |
| 1067 | { return (const wchar_t *)buf + string; } |
| 1068 | #else |
| 1069 | inline wxString WXDLLEXPORT operator+(const wxString& string, const wxCharBuffer& buf) |
| 1070 | { return string + (const char *)buf; } |
| 1071 | inline wxString WXDLLEXPORT operator+(const wxCharBuffer& buf, const wxString& string) |
| 1072 | { return (const char *)buf + string; } |
| 1073 | #endif |
| 1074 | |
| 1075 | // --------------------------------------------------------------------------- |
| 1076 | // Implementation only from here until the end of file |
| 1077 | // --------------------------------------------------------------------------- |
| 1078 | |
| 1079 | #ifdef wxSTD_STRING_COMPATIBILITY |
| 1080 | |
| 1081 | #include "wx/ioswrap.h" |
| 1082 | |
| 1083 | WXDLLEXPORT istream& operator>>(istream& is, wxString& str); |
| 1084 | |
| 1085 | #endif // wxSTD_STRING_COMPATIBILITY |
| 1086 | |
| 1087 | #endif // _WX_WXSTRINGH__ |