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LibreOffice 7.5 SDK C/C++ API Reference
ustrbuf.hxx
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19 
20 /*
21  * This file is part of LibreOffice published API.
22  */
23 
24 #ifndef INCLUDED_RTL_USTRBUF_HXX
25 #define INCLUDED_RTL_USTRBUF_HXX
26 
27 #include "sal/config.h"
28 
29 #include <cassert>
30 #include <cstring>
31 #include <limits>
32 #include <new>
33 
34 #if defined LIBO_INTERNAL_ONLY
35 #include <string_view>
36 #include <type_traits>
37 #include <utility>
38 #endif
39 
40 #include "rtl/ustrbuf.h"
41 #include "rtl/ustring.hxx"
42 #include "rtl/stringutils.hxx"
43 #include "sal/types.h"
44 
45 #ifdef LIBO_INTERNAL_ONLY // "RTL_FAST_STRING"
46 #include "rtl/stringconcat.hxx"
47 #endif
48 
49 #ifdef RTL_STRING_UNITTEST
50 extern bool rtl_string_unittest_invalid_conversion;
51 #endif
52 
53 // The unittest uses slightly different code to help check that the proper
54 // calls are made. The class is put into a different namespace to make
55 // sure the compiler generates a different (if generating also non-inline)
56 // copy of the function and does not merge them together. The class
57 // is "brought" into the proper rtl namespace by a typedef below.
58 #ifdef RTL_STRING_UNITTEST
59 #define rtl rtlunittest
60 #endif
61 
62 namespace rtl
63 {
64 
65 #ifdef RTL_STRING_UNITTEST
66 #undef rtl
67 #endif
68 
72 {
73 friend class OUString;
74 public:
80  : pData(NULL)
81  , nCapacity( 16 )
82  {
83  rtl_uString_new_WithLength( &pData, nCapacity );
84  }
85 
92  OUStringBuffer( const OUStringBuffer & value )
93  : pData(NULL)
94  , nCapacity( value.nCapacity )
95  {
96  rtl_uStringbuffer_newFromStringBuffer( &pData, value.nCapacity, value.pData );
97  }
98 
105  explicit OUStringBuffer(sal_Int32 length)
106  : pData(NULL)
107  , nCapacity( length )
108  {
109  rtl_uString_new_WithLength( &pData, length );
110  }
111 #if defined LIBO_INTERNAL_ONLY
112  template<typename T>
113  explicit OUStringBuffer(T length, std::enable_if_t<std::is_integral_v<T>, int> = 0)
114  : OUStringBuffer(static_cast<sal_Int32>(length))
115  {
116  assert(
117  length >= 0
118  && static_cast<std::make_unsigned_t<T>>(length)
119  <= static_cast<std::make_unsigned_t<sal_Int32>>(
120  std::numeric_limits<sal_Int32>::max()));
121  }
122  // avoid (obvious) bugs
123  explicit OUStringBuffer(bool) = delete;
124  explicit OUStringBuffer(char) = delete;
125  explicit OUStringBuffer(wchar_t) = delete;
126 #if defined __cpp_char8_t
127  explicit OUStringBuffer(char8_t) = delete;
128 #endif
129  explicit OUStringBuffer(char16_t) = delete;
130  explicit OUStringBuffer(char32_t) = delete;
131 #endif
132 
143 #if defined LIBO_INTERNAL_ONLY
144  OUStringBuffer(std::u16string_view sv)
145  : pData(nullptr)
146  , nCapacity( sv.length() + 16 )
147  {
148  if (sv.size() > sal_uInt32(std::numeric_limits<sal_Int32>::max())) {
149  throw std::bad_alloc();
150  }
151  rtl_uStringbuffer_newFromStr_WithLength( &pData, sv.data(), sv.length() );
152  }
153 #else
154  OUStringBuffer(const OUString& value)
155  : pData(NULL)
156  , nCapacity( value.getLength() + 16 )
157  {
158  rtl_uStringbuffer_newFromStr_WithLength( &pData, value.getStr(), value.getLength() );
159  }
160 #endif
161 
162  template< typename T >
164  : pData(NULL)
165  , nCapacity( libreoffice_internal::ConstCharArrayDetector<T>::length + 16 )
166  {
167  assert(
170  &pData,
173 #ifdef RTL_STRING_UNITTEST
174  rtl_string_unittest_const_literal = true;
175 #endif
176  }
177 
178 #if defined LIBO_INTERNAL_ONLY
179 
180  template<typename T>
182  T & literal,
184  T, libreoffice_internal::Dummy>::TypeUtf16
186  pData(nullptr),
187  nCapacity(libreoffice_internal::ConstCharArrayDetector<T>::length + 16)
188  {
190  &pData,
193  }
194 #endif
195 
196 #if defined LIBO_INTERNAL_ONLY && defined RTL_STRING_UNITTEST
197 
202  template< typename T >
203  OUStringBuffer( T&, typename libreoffice_internal::ExceptConstCharArrayDetector< T >::Type = libreoffice_internal::Dummy() )
204  {
205  pData = NULL;
206  nCapacity = 10;
207  rtl_uString_newFromLiteral( &pData, "!!br0ken!!", 10, 0 ); // set to garbage
208  rtl_string_unittest_invalid_conversion = true;
209  }
214  template< typename T >
215  OUStringBuffer( const T&, typename libreoffice_internal::ExceptCharArrayDetector< T >::Type = libreoffice_internal::Dummy() )
216  {
217  pData = NULL;
218  nCapacity = 10;
219  rtl_uString_newFromLiteral( &pData, "!!br0ken!!", 10, 0 ); // set to garbage
220  rtl_string_unittest_invalid_conversion = true;
221  }
223 #endif
224 
225 #ifdef LIBO_INTERNAL_ONLY // "RTL_FAST_STRING"
226 
230  template< typename T1, typename T2 >
231  OUStringBuffer( OUStringConcat< T1, T2 >&& c )
232  {
233  const sal_Int32 l = c.length();
234  nCapacity = l + 16;
235  pData = rtl_uString_alloc( nCapacity );
236  sal_Unicode* end = c.addData( pData->buffer );
237  *end = '\0';
238  pData->length = l;
239  }
240 
245  template< typename T, std::size_t N >
246  OUStringBuffer( StringNumberBase< sal_Unicode, T, N >&& n )
247  : pData(NULL)
248  , nCapacity( n.length + 16 )
249  {
250  rtl_uStringbuffer_newFromStr_WithLength( &pData, n.buf, n.length );
251  }
252 #endif
253 
254 #if defined LIBO_INTERNAL_ONLY
255  operator std::u16string_view() const { return {getStr(), sal_uInt32(getLength())}; }
256 #endif
257 
260  OUStringBuffer& operator = ( const OUStringBuffer& value )
261  {
262  if (this != &value)
263  {
265  value.nCapacity,
266  value.pData);
267  nCapacity = value.nCapacity;
268  }
269  return *this;
270  }
271 
272 #if defined LIBO_INTERNAL_ONLY
273 
276  OUStringBuffer& operator = ( OUStringBuffer&& value ) noexcept
277  {
278  rtl_uString_release( pData );
279  pData = value.pData;
280  nCapacity = value.nCapacity;
281  value.pData = nullptr;
282  value.nCapacity = 0;
283  rtl_uString_new( &value.pData );
284  return *this;
285  }
286 #endif
287 
292 #if defined LIBO_INTERNAL_ONLY
293  OUStringBuffer & operator =(std::u16string_view string) {
294  sal_Int32 n = string.length();
295  if (n >= nCapacity) {
296  ensureCapacity(n + 16); //TODO: check for overflow
297  }
298  std::memcpy(
299  pData->buffer, string.data(),
300  n * sizeof (sal_Unicode));
301  pData->buffer[n] = '\0';
302  pData->length = n;
303  return *this;
304  }
305 #else
306  OUStringBuffer & operator =(OUString const & string) {
307  sal_Int32 n = string.getLength();
308  if (n >= nCapacity) {
309  ensureCapacity(n + 16); //TODO: check for overflow
310  }
311  std::memcpy(
312  pData->buffer, string.pData->buffer,
313  (n + 1) * sizeof (sal_Unicode));
314  pData->length = n;
315  return *this;
316  }
317 #endif
318 
323  template<typename T>
324  typename
326  operator =(T & literal) {
327  assert(
329  sal_Int32 const n
331  if (n >= nCapacity) {
332  ensureCapacity(n + 16); //TODO: check for overflow
333  }
334  char const * from
336  literal);
337  sal_Unicode * to = pData->buffer;
338  for (sal_Int32 i = 0; i <= n; ++i) {
339  to[i] = from[i];
340  }
341  pData->length = n;
342  return *this;
343  }
344 
345 #if defined LIBO_INTERNAL_ONLY
346 
347  template<typename T>
349  T, OUStringBuffer &>::TypeUtf16
350  operator =(T & literal) {
351  sal_Int32 const n
353  if (n >= nCapacity) {
354  ensureCapacity(n + 16); //TODO: check for overflow
355  }
356  // For OUStringChar, which is covered by this template's ConstCharArrayDetector TypeUtf16
357  // check, toPointer does not return a NUL-terminated string, so we can't just memcpy n+1
358  // elements but rather need to add the terminating NUL manually:
359  std::memcpy(
360  pData->buffer,
361  libreoffice_internal::ConstCharArrayDetector<T>::toPointer(literal),
362  n * sizeof (sal_Unicode));
363  pData->buffer[n] = '\0';
364  pData->length = n;
365  return *this;
366  }
367 #endif
368 
369 #if defined LIBO_INTERNAL_ONLY
370 
371  template<typename T1, typename T2>
372  OUStringBuffer & operator =(OUStringConcat<T1, T2> && concat) {
373  sal_Int32 const n = concat.length();
374  if (n >= nCapacity) {
375  ensureCapacity(n + 16); //TODO: check for overflow
376  }
377  *concat.addData(pData->buffer) = 0;
378  pData->length = n;
379  return *this;
380  }
381 
383  template<typename T, std::size_t N>
384  OUStringBuffer & operator =(StringNumberBase<sal_Unicode, T, N> && n)
385  {
386  *this = OUStringBuffer( std::move( n ) );
387  return *this;
388  }
389 #endif
390 
395  {
396  rtl_uString_release( pData );
397  }
398 
408  {
409  return OUString(
410  rtl_uStringBuffer_makeStringAndClear( &pData, &nCapacity ),
411  SAL_NO_ACQUIRE );
412  }
413 
419  sal_Int32 getLength() const
420  {
421  return pData->length;
422  }
423 
432  bool isEmpty() const
433  {
434  return pData->length == 0;
435  }
436 
447  sal_Int32 getCapacity() const
448  {
449  return nCapacity;
450  }
451 
463  void ensureCapacity(sal_Int32 minimumCapacity)
464  {
465  rtl_uStringbuffer_ensureCapacity( &pData, &nCapacity, minimumCapacity );
466  }
467 
486  void setLength(sal_Int32 newLength)
487  {
488  assert(newLength >= 0);
489  // Avoid modifications if pData points to const empty string:
490  if( newLength != pData->length )
491  {
492  if( newLength > nCapacity )
493  rtl_uStringbuffer_ensureCapacity(&pData, &nCapacity, newLength);
494  else
495  pData->buffer[newLength] = 0;
496  pData->length = newLength;
497  }
498  }
499 
513  SAL_DEPRECATED("use rtl::OUStringBuffer::operator [] instead")
514  sal_Unicode charAt( sal_Int32 index ) const
515  {
516  assert(index >= 0 && index < pData->length);
517  return pData->buffer[ index ];
518  }
519 
530  SAL_DEPRECATED("use rtl::OUStringBuffer::operator [] instead")
531  OUStringBuffer & setCharAt(sal_Int32 index, sal_Unicode ch)
532  {
533  assert(index >= 0 && index < pData->length);
534  pData->buffer[ index ] = ch;
535  return *this;
536  }
537 
541  const sal_Unicode* getStr() const SAL_RETURNS_NONNULL { return pData->buffer; }
542 
552  sal_Unicode & operator [](sal_Int32 index)
553  {
554  assert(index >= 0 && index < pData->length);
555  return pData->buffer[index];
556  }
557 
567  const sal_Unicode & operator [](sal_Int32 index) const
568  {
569  assert(index >= 0 && index < pData->length);
570  return pData->buffer[index];
571  }
572 
578  {
579  return OUString(pData->buffer, pData->length);
580  }
581 
592 #if !defined LIBO_INTERNAL_ONLY
594  {
595  return append( str.getStr(), str.getLength() );
596  }
597 #else
598  OUStringBuffer & append(std::u16string_view sv) {
599  if (sv.size() > sal_uInt32(std::numeric_limits<sal_Int32>::max())) {
600  throw std::bad_alloc();
601  }
602  return append(sv.data(), sv.size());
603  }
604 #endif
605 
606 #if !defined LIBO_INTERNAL_ONLY
607 
620  {
621  if(!str.isEmpty())
622  {
623  append( str.getStr(), str.getLength() );
624  }
625  return *this;
626  }
627 #endif
628 
640 #if defined LIBO_INTERNAL_ONLY
641  template<typename T>
643  append(T const & str)
644 #else
646 #endif
647  {
648  return append( str, rtl_ustr_getLength( str ) );
649  }
650 
664  OUStringBuffer & append( const sal_Unicode * str, sal_Int32 len)
665  {
666  assert( len == 0 || str != NULL ); // cannot assert that in rtl_uStringbuffer_insert
667  rtl_uStringbuffer_insert( &pData, &nCapacity, getLength(), str, len );
668  return *this;
669  }
670 
676  template< typename T >
678  {
679  assert(
681  return appendAscii(
684  }
685 
686 #if defined LIBO_INTERNAL_ONLY
687  template<typename T>
689  append(T & value) { return append(static_cast<sal_Unicode *>(value)); }
690 
692  template<typename T>
693  typename libreoffice_internal::ConstCharArrayDetector<
694  T, OUStringBuffer &>::TypeUtf16
695  append(T & literal) {
696  return append(
697  libreoffice_internal::ConstCharArrayDetector<T>::toPointer(literal),
698  libreoffice_internal::ConstCharArrayDetector<T>::length);
699  }
700 #endif
701 
702 #ifdef LIBO_INTERNAL_ONLY // "RTL_FAST_STRING"
703 
707  template< typename T1, typename T2 >
708  OUStringBuffer& append( OUStringConcat< T1, T2 >&& c )
709  {
710  sal_Int32 l = c.length();
711  if( l == 0 )
712  return *this;
713  l += pData->length;
714  rtl_uStringbuffer_ensureCapacity( &pData, &nCapacity, l );
715  sal_Unicode* end = c.addData( pData->buffer + pData->length );
716  *end = '\0';
717  pData->length = l;
718  return *this;
719  }
720 
725  template< typename T, std::size_t N >
726  OUStringBuffer& append( StringNumberBase< sal_Unicode, T, N >&& c )
727  {
728  return append( c.buf, c.length );
729  }
730 #endif
731 
748  OUStringBuffer & appendAscii( const char * str )
749  {
750  return appendAscii( str, rtl_str_getLength( str ) );
751  }
752 
770  OUStringBuffer & appendAscii( const char * str, sal_Int32 len)
771  {
772  rtl_uStringbuffer_insert_ascii( &pData, &nCapacity, getLength(), str, len );
773  return *this;
774  }
775 
790  {
792  return append( sz, rtl_ustr_valueOfBoolean( sz, b ) );
793  }
794 
796  // Pointer can be automatically converted to bool, which is unwanted here.
797  // Explicitly delete all pointer append() overloads to prevent this
798  // (except for char* and sal_Unicode* overloads, which are handled elsewhere).
799  template< typename T >
800  typename libreoffice_internal::Enable< void,
802  append( T* ) SAL_DELETED_FUNCTION;
804 
805  // This overload is needed because OUString has a ctor from rtl_uString*, but
806  // the bool overload above would be preferred to the conversion.
810  OUStringBuffer & append(rtl_uString* str)
811  {
812  return append( OUString( str ));
813  }
814 
827  {
829  return append( sz, rtl_ustr_valueOfBoolean( sz, b ) );
830  }
831 
845  {
846  assert(static_cast< unsigned char >(c) <= 0x7F);
847  return append(sal_Unicode(c));
848  }
849 
861  {
862  return append( &c, 1 );
863  }
864 
865 #if defined LIBO_INTERNAL_ONLY
866  void append(sal_uInt16) = delete;
867 #endif
868 
881  OUStringBuffer & append(sal_Int32 i, sal_Int16 radix = 10 )
882  {
884  return append( sz, rtl_ustr_valueOfInt32( sz, i, radix ) );
885  }
886 
899  OUStringBuffer & append(sal_Int64 l, sal_Int16 radix = 10 )
900  {
902  return append( sz, rtl_ustr_valueOfInt64( sz, l, radix ) );
903  }
904 
917  {
919  return append( sz, rtl_ustr_valueOfFloat( sz, f ) );
920  }
921 
933  OUStringBuffer & append(double d)
934  {
936  return append( sz, rtl_ustr_valueOfDouble( sz, d ) );
937  }
938 
952  OUStringBuffer & appendUtf32(sal_uInt32 c) {
953  return insertUtf32(getLength(), c);
954  }
955 
971  sal_Unicode * appendUninitialized(sal_Int32 length) SAL_RETURNS_NONNULL {
972  sal_Int32 n = getLength();
973  rtl_uStringbuffer_insert(&pData, &nCapacity, n, NULL, length);
974  return pData->buffer + n;
975  }
976 
977 #if defined LIBO_INTERNAL_ONLY
978 
984  template<typename T>
985  OUStringBuffer& operator<<(T&& rValue)
986  {
987  return append(std::forward<T>(rValue));
988  }
989 #endif
990 
1006 #if defined LIBO_INTERNAL_ONLY
1007  OUStringBuffer & insert(sal_Int32 offset, std::u16string_view str)
1008  {
1009  return insert( offset, str.data(), str.length() );
1010  }
1011 #else
1012  OUStringBuffer & insert(sal_Int32 offset, const OUString & str)
1013  {
1014  return insert( offset, str.getStr(), str.getLength() );
1015  }
1016 #endif
1017 
1035  OUStringBuffer & insert( sal_Int32 offset, const sal_Unicode * str )
1036  {
1037  return insert( offset, str, rtl_ustr_getLength( str ) );
1038  }
1039 
1058  OUStringBuffer & insert( sal_Int32 offset, const sal_Unicode * str, sal_Int32 len)
1059  {
1060  assert( len == 0 || str != NULL ); // cannot assert that in rtl_uStringbuffer_insert
1061  rtl_uStringbuffer_insert( &pData, &nCapacity, offset, str, len );
1062  return *this;
1063  }
1064 
1070  template< typename T >
1072  {
1073  assert(
1076  &pData, &nCapacity, offset,
1079  return *this;
1080  }
1081 
1082 #if defined LIBO_INTERNAL_ONLY
1083 
1084  template<typename T>
1086  T, OUStringBuffer &>::TypeUtf16
1087  insert(sal_Int32 offset, T & literal) {
1088  return insert(
1089  offset,
1092  }
1093 #endif
1094 
1112  OUStringBuffer & insert(sal_Int32 offset, sal_Bool b)
1113  {
1115  return insert( offset, sz, rtl_ustr_valueOfBoolean( sz, b ) );
1116  }
1117 
1137  OUStringBuffer & insert(sal_Int32 offset, bool b)
1138  {
1140  return insert( offset, sz, rtl_ustr_valueOfBoolean( sz, b ) );
1141  }
1142 
1161  OUStringBuffer & insert(sal_Int32 offset, char c)
1162  {
1163  sal_Unicode u = c;
1164  return insert( offset, &u, 1 );
1165  }
1166 
1183  OUStringBuffer & insert(sal_Int32 offset, sal_Unicode c)
1184  {
1185  return insert( offset, &c, 1 );
1186  }
1187 
1207  OUStringBuffer & insert(sal_Int32 offset, sal_Int32 i, sal_Int16 radix = 10 )
1208  {
1210  return insert( offset, sz, rtl_ustr_valueOfInt32( sz, i, radix ) );
1211  }
1212 
1232  OUStringBuffer & insert(sal_Int32 offset, sal_Int64 l, sal_Int16 radix = 10 )
1233  {
1235  return insert( offset, sz, rtl_ustr_valueOfInt64( sz, l, radix ) );
1236  }
1237 
1256  OUStringBuffer insert(sal_Int32 offset, float f)
1257  {
1259  return insert( offset, sz, rtl_ustr_valueOfFloat( sz, f ) );
1260  }
1261 
1280  OUStringBuffer & insert(sal_Int32 offset, double d)
1281  {
1283  return insert( offset, sz, rtl_ustr_valueOfDouble( sz, d ) );
1284  }
1285 
1301  OUStringBuffer & insertUtf32(sal_Int32 offset, sal_uInt32 c) {
1302  rtl_uStringbuffer_insertUtf32(&pData, &nCapacity, offset, c);
1303  return *this;
1304  }
1305 
1318  OUStringBuffer & remove( sal_Int32 start, sal_Int32 len )
1319  {
1320  rtl_uStringbuffer_remove( &pData, start, len );
1321  return *this;
1322  }
1323 
1334  OUStringBuffer & truncate( sal_Int32 start = 0 )
1335  {
1336  rtl_uStringbuffer_remove( &pData, start, getLength() - start );
1337  return *this;
1338  }
1339 
1351  {
1352  sal_Int32 index = 0;
1353  while((index = indexOf(oldChar, index)) >= 0)
1354  {
1355  pData->buffer[ index ] = newChar;
1356  }
1357  return *this;
1358  }
1359 
1375  void accessInternals(rtl_uString *** pInternalData,
1376  sal_Int32 ** pInternalCapacity)
1377  {
1378  *pInternalData = &pData;
1379  *pInternalCapacity = &nCapacity;
1380  }
1381 
1382 
1398  sal_Int32 indexOf( sal_Unicode ch, sal_Int32 fromIndex = 0 ) const
1399  {
1400  assert( fromIndex >= 0 && fromIndex <= pData->length );
1401  sal_Int32 ret = rtl_ustr_indexOfChar_WithLength( pData->buffer+fromIndex, pData->length-fromIndex, ch );
1402  return (ret < 0 ? ret : ret+fromIndex);
1403  }
1404 
1416  sal_Int32 lastIndexOf( sal_Unicode ch ) const
1417  {
1418  return rtl_ustr_lastIndexOfChar_WithLength( pData->buffer, pData->length, ch );
1419  }
1420 
1435  sal_Int32 lastIndexOf( sal_Unicode ch, sal_Int32 fromIndex ) const
1436  {
1437  assert( fromIndex >= 0 && fromIndex <= pData->length );
1438  return rtl_ustr_lastIndexOfChar_WithLength( pData->buffer, fromIndex, ch );
1439  }
1440 
1458 #if defined LIBO_INTERNAL_ONLY
1459  sal_Int32 indexOf( std::u16string_view str, sal_Int32 fromIndex = 0 ) const
1460  {
1461  assert( fromIndex >= 0 && fromIndex <= pData->length );
1462  sal_Int32 ret = rtl_ustr_indexOfStr_WithLength( pData->buffer+fromIndex, pData->length-fromIndex,
1463  str.data(), str.length() );
1464  return (ret < 0 ? ret : ret+fromIndex);
1465  }
1466 #else
1467  sal_Int32 indexOf( const OUString & str, sal_Int32 fromIndex = 0 ) const
1468  {
1469  assert( fromIndex >= 0 && fromIndex <= pData->length );
1470  sal_Int32 ret = rtl_ustr_indexOfStr_WithLength( pData->buffer+fromIndex, pData->length-fromIndex,
1471  str.pData->buffer, str.pData->length );
1472  return (ret < 0 ? ret : ret+fromIndex);
1473  }
1474 #endif
1475 
1482  template< typename T >
1483  typename libreoffice_internal::ConstCharArrayDetector< T, sal_Int32 >::Type indexOf( T& literal, sal_Int32 fromIndex = 0 ) const
1484  {
1485  assert(
1487  sal_Int32 n = rtl_ustr_indexOfAscii_WithLength(
1488  pData->buffer + fromIndex, pData->length - fromIndex,
1491  return n < 0 ? n : n + fromIndex;
1492  }
1493 
1494 #if defined LIBO_INTERNAL_ONLY
1495 
1496  template<typename T>
1497  typename
1499  indexOf(T & literal, sal_Int32 fromIndex = 0) const {
1500  assert(fromIndex >= 0);
1502  pData->buffer + fromIndex, pData->length - fromIndex,
1505  return n < 0 ? n : n + fromIndex;
1506  }
1507 #endif
1508 
1526 #if defined LIBO_INTERNAL_ONLY
1527  sal_Int32 lastIndexOf( std::u16string_view str ) const
1528  {
1529  return rtl_ustr_lastIndexOfStr_WithLength( pData->buffer, pData->length,
1530  str.data(), str.length() );
1531  }
1532 #else
1533  sal_Int32 lastIndexOf( const OUString & str ) const
1534  {
1535  return rtl_ustr_lastIndexOfStr_WithLength( pData->buffer, pData->length,
1536  str.pData->buffer, str.pData->length );
1537  }
1538 #endif
1539 
1559 #if defined LIBO_INTERNAL_ONLY
1560  sal_Int32 lastIndexOf( std::u16string_view str, sal_Int32 fromIndex ) const
1561  {
1562  assert( fromIndex >= 0 && fromIndex <= pData->length );
1563  return rtl_ustr_lastIndexOfStr_WithLength( pData->buffer, fromIndex,
1564  str.data(), str.length() );
1565  }
1566 #else
1567  sal_Int32 lastIndexOf( const OUString & str, sal_Int32 fromIndex ) const
1568  {
1569  assert( fromIndex >= 0 && fromIndex <= pData->length );
1570  return rtl_ustr_lastIndexOfStr_WithLength( pData->buffer, fromIndex,
1571  str.pData->buffer, str.pData->length );
1572  }
1573 #endif
1574 
1580  template< typename T >
1582  {
1583  assert(
1586  pData->buffer, pData->length,
1589  }
1590 
1591 #if defined LIBO_INTERNAL_ONLY
1592 
1593  template<typename T>
1594  typename
1596  lastIndexOf(T & literal) const {
1598  pData->buffer, pData->length,
1601  }
1602 #endif
1603 
1613  sal_Int32 stripStart(sal_Unicode c = ' ')
1614  {
1615  sal_Int32 index;
1616  for(index = 0; index < getLength() ; index++)
1617  {
1618  if(pData->buffer[ index ] != c)
1619  {
1620  break;
1621  }
1622  }
1623  if(index)
1624  {
1625  remove(0, index);
1626  }
1627  return index;
1628  }
1629 
1639  sal_Int32 stripEnd(sal_Unicode c = ' ')
1640  {
1641  sal_Int32 result = getLength();
1642  sal_Int32 index;
1643  for(index = getLength(); index > 0 ; index--)
1644  {
1645  if(pData->buffer[ index - 1 ] != c)
1646  {
1647  break;
1648  }
1649  }
1650  if(index < getLength())
1651  {
1652  truncate(index);
1653  }
1654  return result - getLength();
1655  }
1665  sal_Int32 strip(sal_Unicode c = ' ')
1666  {
1667  return stripStart(c) + stripEnd(c);
1668  }
1669 
1670 #if defined LIBO_INTERNAL_ONLY
1671 
1681  SAL_WARN_UNUSED_RESULT std::u16string_view subView( sal_Int32 beginIndex ) const
1682  {
1683  assert(beginIndex >= 0);
1684  assert(beginIndex <= getLength());
1685  return subView(beginIndex, getLength() - beginIndex);
1686  }
1687 
1700  SAL_WARN_UNUSED_RESULT std::u16string_view subView( sal_Int32 beginIndex, sal_Int32 count ) const
1701  {
1702  assert(beginIndex >= 0);
1703  assert(count >= 0);
1704  assert(beginIndex <= getLength());
1705  assert(count <= getLength() - beginIndex);
1706  return std::u16string_view(pData->buffer, sal_uInt32(pData->length)).substr(beginIndex, count);
1707  }
1708 #endif
1709 
1721  OUStringBuffer copy( sal_Int32 beginIndex ) const
1722  {
1723  return copy( beginIndex, getLength() - beginIndex );
1724  }
1725 
1739  OUStringBuffer copy( sal_Int32 beginIndex, sal_Int32 count ) const
1740  {
1741  assert(beginIndex >= 0 && beginIndex <= getLength());
1742  assert(count >= 0 && count <= getLength() - beginIndex);
1743  rtl_uString *pNew = NULL;
1744  rtl_uStringbuffer_newFromStr_WithLength( &pNew, getStr() + beginIndex, count );
1745  return OUStringBuffer( pNew, count + 16 );
1746  }
1747 
1748 private:
1749  OUStringBuffer( rtl_uString * value, const sal_Int32 capacity )
1750  {
1751  pData = value;
1752  nCapacity = capacity;
1753  }
1754 
1758  rtl_uString * pData;
1759 
1763  sal_Int32 nCapacity;
1764 };
1765 
1766 #if defined LIBO_INTERNAL_ONLY
1767 template<> struct ToStringHelper<OUStringBuffer> {
1768  static std::size_t length(OUStringBuffer const & s) { return s.getLength(); }
1769 
1770  sal_Unicode * operator()(sal_Unicode * buffer, OUStringBuffer const & s) const SAL_RETURNS_NONNULL
1771  { return addDataHelper(buffer, s.getStr(), s.getLength()); }
1772 };
1773 #endif
1774 
1775 #if defined LIBO_INTERNAL_ONLY
1776  // Define this here to avoid circular includes
1777  inline OUString & OUString::operator+=( const OUStringBuffer & str ) &
1778  {
1779  // Call operator= if this is empty, otherwise rtl_uString_newConcat will attempt to
1780  // acquire() the str.pData buffer, which is part of the OUStringBuffer mutable state.
1781  if (isEmpty())
1782  return operator=(str.toString());
1783  else
1784  return internalAppend(str.pData);
1785  }
1786 
1787  inline OUString const& OUString::unacquired(const OUStringBuffer& str)
1788  {
1789  return unacquired(&str.pData);
1790  }
1791 #endif
1792 }
1793 
1794 #ifdef RTL_STRING_UNITTEST
1795 namespace rtl
1796 {
1797 typedef rtlunittest::OUStringBuffer OUStringBuffer;
1798 }
1799 #endif
1800 
1801 #if defined LIBO_INTERNAL_ONLY && !defined RTL_STRING_UNITTEST
1802 using ::rtl::OUStringBuffer;
1803 #endif
1804 
1805 #endif // INCLUDED_RTL_USTRBUF_HXX
1806 
1807 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
OUStringBuffer()
Constructs a string buffer with no characters in it and an initial capacity of 16 characters...
Definition: ustrbuf.hxx:79
SAL_DLLPUBLIC rtl_uString * rtl_uStringBuffer_makeStringAndClear(rtl_uString **ppThis, sal_Int32 *nCapacity) SAL_RETURNS_NONNULL
Returns an immutable rtl_uString object, while clearing the string buffer.
bool isEmpty() const
Checks if a string buffer is empty.
Definition: ustrbuf.hxx:432
libreoffice_internal::ConstCharArrayDetector< T, OUStringBuffer &>::Type append(T &literal)
This is an overloaded member function, provided for convenience. It differs from the above function o...
Definition: ustrbuf.hxx:677
sal_Int32 getLength() const
Returns the length of this string.
Definition: ustring.hxx:804
OUString toString() const
Return an OUString instance reflecting the current content of this OUStringBuffer.
Definition: ustrbuf.hxx:577
SAL_DLLPUBLIC void rtl_uStringbuffer_ensureCapacity(rtl_uString **This, sal_Int32 *capacity, sal_Int32 minimumCapacity)
Ensures that the capacity of the buffer is at least equal to the specified minimum.
libreoffice_internal::ConstCharArrayDetector< T, OUStringBuffer &>::Type insert(sal_Int32 offset, T &literal)
This is an overloaded member function, provided for convenience. It differs from the above function o...
Definition: ustrbuf.hxx:1071
sal_Int32 lastIndexOf(const OUString &str) const
Returns the index within this string of the last occurrence of the specified substring, searching backward starting at the end.
Definition: ustrbuf.hxx:1533
~OUStringBuffer()
Release the string data.
Definition: ustrbuf.hxx:394
OUStringBuffer & append(sal_Unicode c)
Appends the string representation of the char argument to this string buffer.
Definition: ustrbuf.hxx:860
OUStringBuffer & append(bool b)
Appends the string representation of the bool argument to the string buffer.
Definition: ustrbuf.hxx:789
OUStringBuffer & append(float f)
Appends the string representation of the float argument to this string buffer.
Definition: ustrbuf.hxx:916
libreoffice_internal::ConstCharArrayDetector< T, sal_Int32 >::Type indexOf(T &literal, sal_Int32 fromIndex=0) const
This is an overloaded member function, provided for convenience. It differs from the above function o...
Definition: ustrbuf.hxx:1483
sal_Int32 lastIndexOf(const OUString &str, sal_Int32 fromIndex) const
Returns the index within this string of the last occurrence of the specified substring, searching backward starting before the specified index.
Definition: ustrbuf.hxx:1567
OUStringBuffer & append(sal_Int64 l, sal_Int16 radix=10)
Appends the string representation of the long argument to this string buffer.
Definition: ustrbuf.hxx:899
OUStringBuffer & insert(sal_Int32 offset, sal_Bool b)
Inserts the string representation of the sal_Bool argument into this string buffer.
Definition: ustrbuf.hxx:1112
SAL_DLLPUBLIC sal_Int32 rtl_ustr_lastIndexOfChar_WithLength(const sal_Unicode *str, sal_Int32 len, sal_Unicode ch) SAL_THROW_EXTERN_C()
Search for the last occurrence of a character within a string.
std::basic_ostream< charT, traits > & operator<<(std::basic_ostream< charT, traits > &stream, OString const &rString)
Support for rtl::OString in std::ostream (and thus in CPPUNIT_ASSERT or SAL_INFO macros, for example).
Definition: string.hxx:2325
sal_Int32 lastIndexOf(sal_Unicode ch) const
Returns the index within this string of the last occurrence of the specified character, searching backward starting at the end.
Definition: ustrbuf.hxx:1416
OUStringBuffer & truncate(sal_Int32 start=0)
Removes the tail of a string buffer start at the indicate position.
Definition: ustrbuf.hxx:1334
#define RTL_USTR_MAX_VALUEOFFLOAT
Definition: ustring.h:1026
static OUString const & unacquired(rtl_uString *const *ppHandle)
Provides an OUString const & passing a storage pointer of an rtl_uString * handle.
Definition: ustring.hxx:540
SAL_DLLPUBLIC void rtl_uStringbuffer_insert_ascii(rtl_uString **This, sal_Int32 *capacity, sal_Int32 offset, const char *str, sal_Int32 len)
Inserts the 8-Bit ASCII string representation of the str array argument into this string buffer...
OUStringBuffer & append(const sal_Unicode *str)
Appends the string representation of the char array argument to this string buffer.
Definition: ustrbuf.hxx:645
OUStringBuffer & append(rtl_uString *str)
Definition: ustrbuf.hxx:810
OUStringBuffer & insert(sal_Int32 offset, sal_Int64 l, sal_Int16 radix=10)
Inserts the string representation of the long argument into this string buffer.
Definition: ustrbuf.hxx:1232
OUStringBuffer & append(sal_Bool b)
Appends the string representation of the sal_Bool argument to the string buffer.
Definition: ustrbuf.hxx:826
OUStringBuffer & insert(sal_Int32 offset, const OUString &str)
Inserts the string into this string buffer.
Definition: ustrbuf.hxx:1012
A string buffer implements a mutable sequence of characters.
Definition: ustrbuf.hxx:71
const sal_Unicode * getStr() const SAL_RETURNS_NONNULL
Returns a pointer to the Unicode character buffer for this string.
Definition: ustring.hxx:826
#define SAL_DELETED_FUNCTION
short-circuit extra-verbose API namespaces
Definition: types.h:378
OUStringBuffer & replace(sal_Unicode oldChar, sal_Unicode newChar)
Replace all occurrences of oldChar in this string buffer with newChar.
Definition: ustrbuf.hxx:1350
SAL_DLLPUBLIC sal_Int32 rtl_ustr_valueOfBoolean(sal_Unicode *str, sal_Bool b) SAL_THROW_EXTERN_C()
Create the string representation of a boolean.
OUStringBuffer(const OUStringBuffer &value)
Allocates a new string buffer that contains the same sequence of characters as the string buffer argu...
Definition: ustrbuf.hxx:92
OUStringBuffer & append(double d)
Appends the string representation of the double argument to this string buffer.
Definition: ustrbuf.hxx:933
OUStringBuffer & insert(sal_Int32 offset, const sal_Unicode *str, sal_Int32 len)
Inserts the string representation of the char array argument into this string buffer.
Definition: ustrbuf.hxx:1058
OUStringBuffer(sal_Int32 length)
Constructs a string buffer with no characters in it and an initial capacity specified by the length a...
Definition: ustrbuf.hxx:105
SAL_DLLPUBLIC void rtl_uString_new_WithLength(rtl_uString **newStr, sal_Int32 nLen) SAL_THROW_EXTERN_C()
Allocate a new string containing space for a given number of characters.
SAL_DLLPUBLIC sal_Int32 rtl_ustr_lastIndexOfStr_WithLength(const sal_Unicode *str, sal_Int32 len, const sal_Unicode *subStr, sal_Int32 subLen) SAL_THROW_EXTERN_C()
Search for the last occurrence of a substring within a string.
Definition: stringutils.hxx:140
#define SAL_DEPRECATED(message)
Use as follows: SAL_DEPRECATED("Don&#39;t use, it&#39;s evil.") void doit(int nPara);.
Definition: types.h:474
#define SAL_WARN_UNUSED
Annotate classes where a compiler should warn if an instance is unused.
Definition: types.h:587
sal_Int32 stripEnd(sal_Unicode c=' ')
Strip the given character from the end of the buffer.
Definition: ustrbuf.hxx:1639
SAL_WARN_UNUSED_RESULT OUString makeStringAndClear()
Fill the string data in the new string and clear the buffer.
Definition: ustrbuf.hxx:407
sal_Unicode * appendUninitialized(sal_Int32 length) SAL_RETURNS_NONNULL
Unsafe way to make space for a fixed amount of characters to be appended into this OUStringBuffer...
Definition: ustrbuf.hxx:971
SAL_DLLPUBLIC void rtl_uStringbuffer_insertUtf32(rtl_uString **pThis, sal_Int32 *capacity, sal_Int32 offset, sal_uInt32 c) SAL_THROW_EXTERN_C()
Inserts a single UTF-32 character into this string buffer.
OUStringBuffer & insert(sal_Int32 offset, const sal_Unicode *str)
Inserts the string representation of the char array argument into this string buffer.
Definition: ustrbuf.hxx:1035
sal_Int32 indexOf(const OUString &str, sal_Int32 fromIndex=0) const
Returns the index within this string of the first occurrence of the specified substring, starting at the specified index.
Definition: ustrbuf.hxx:1467
#define RTL_USTR_MAX_VALUEOFDOUBLE
Definition: ustring.h:1045
OUStringBuffer & insert(sal_Int32 offset, sal_Int32 i, sal_Int16 radix=10)
Inserts the string representation of the second sal_Int32 argument into this string buffer...
Definition: ustrbuf.hxx:1207
SAL_DLLPUBLIC void rtl_uStringbuffer_insert(rtl_uString **This, sal_Int32 *capacity, sal_Int32 offset, const sal_Unicode *str, sal_Int32 len)
Inserts the string representation of the str array argument into this string buffer.
Definition: stringutils.hxx:374
OUStringBuffer copy(sal_Int32 beginIndex, sal_Int32 count) const
Returns a new string buffer that is a substring of this string.
Definition: ustrbuf.hxx:1739
sal_uInt16 sal_Unicode
Definition: types.h:123
SAL_DLLPUBLIC sal_Int32 rtl_uStringbuffer_newFromStringBuffer(rtl_uString **newStr, sal_Int32 capacity, rtl_uString *oldStr)
Allocates a new String that contains the same sequence of characters as the string argument...
OUStringBuffer & insert(sal_Int32 offset, sal_Unicode c)
Inserts the string representation of the char argument into this string buffer.
Definition: ustrbuf.hxx:1183
SAL_DLLPUBLIC void rtl_uString_newFromLiteral(rtl_uString **newStr, const char *value, sal_Int32 len, sal_Int32 allocExtra) SAL_THROW_EXTERN_C()
void setLength(sal_Int32 newLength)
Sets the length of this String buffer.
Definition: ustrbuf.hxx:486
unsigned char sal_Bool
Definition: types.h:38
SAL_DLLPUBLIC void rtl_uString_release(rtl_uString *str) SAL_THROW_EXTERN_C() SAL_HOT
Decrement the reference count of a string.
OUStringBuffer & append(const OUStringBuffer &str)
Appends the content of a stringbuffer to this string buffer.
Definition: ustrbuf.hxx:619
SAL_DLLPUBLIC void rtl_uString_new(rtl_uString **newStr) SAL_THROW_EXTERN_C()
Allocate a new string containing no characters.
OUStringBuffer & appendAscii(const char *str, sal_Int32 len)
Appends a 8-Bit ASCII character string to this string buffer.
Definition: ustrbuf.hxx:770
OUStringBuffer & insert(sal_Int32 offset, double d)
Inserts the string representation of the double argument into this string buffer. ...
Definition: ustrbuf.hxx:1280
OUStringBuffer & append(const OUString &str)
Appends the string to this string buffer.
Definition: ustrbuf.hxx:593
sal_Int32 strip(sal_Unicode c=' ')
Strip the given character from the both end of the buffer.
Definition: ustrbuf.hxx:1665
SAL_DLLPUBLIC rtl_uString * rtl_uString_alloc(sal_Int32 nLen) SAL_THROW_EXTERN_C()
Allocate a new string containing space for a given number of characters.
OUStringBuffer & appendUtf32(sal_uInt32 c)
Appends a single UTF-32 character to this string buffer.
Definition: ustrbuf.hxx:952
Definition: bootstrap.hxx:33
void ensureCapacity(sal_Int32 minimumCapacity)
Ensures that the capacity of the buffer is at least equal to the specified minimum.
Definition: ustrbuf.hxx:463
OUStringBuffer & insert(sal_Int32 offset, char c)
Inserts the string representation of the char argument into this string buffer.
Definition: ustrbuf.hxx:1161
void accessInternals(rtl_uString ***pInternalData, sal_Int32 **pInternalCapacity)
Allows access to the internal data of this OUStringBuffer, for effective manipulation.
Definition: ustrbuf.hxx:1375
SAL_DLLPUBLIC sal_Int32 rtl_ustr_indexOfStr_WithLength(const sal_Unicode *str, sal_Int32 len, const sal_Unicode *subStr, sal_Int32 subLen) SAL_THROW_EXTERN_C()
Search for the first occurrence of a substring within a string.
OUString & operator+=(const OUString &str)
Append a string to this string.
Definition: ustring.hxx:675
SAL_DLLPUBLIC void rtl_uStringbuffer_remove(rtl_uString **This, sal_Int32 start, sal_Int32 len)
Removes the characters in a substring of this sequence.
sal_Int32 getCapacity() const
Returns the current capacity of the String buffer.
Definition: ustrbuf.hxx:447
This String class provides base functionality for C++ like Unicode character array handling...
Definition: ustring.hxx:202
OUStringBuffer(T &literal, typename libreoffice_internal::ConstCharArrayDetector< T, libreoffice_internal::Dummy >::Type=libreoffice_internal::Dummy())
Definition: ustrbuf.hxx:163
definition of a no acquire enum for ctors
Definition: types.h:356
sal_Int32 indexOf(sal_Unicode ch, sal_Int32 fromIndex=0) const
Returns the index within this string of the first occurrence of the specified character, starting the search at the specified index.
Definition: ustrbuf.hxx:1398
SAL_DLLPUBLIC sal_Int32 rtl_ustr_lastIndexOfAscii_WithLength(sal_Unicode const *str, sal_Int32 len, char const *subStr, sal_Int32 subLen) SAL_THROW_EXTERN_C()
Search for the last occurrence of an ASCII substring within a string.
SAL_DLLPUBLIC sal_Int32 rtl_ustr_valueOfInt32(sal_Unicode *str, sal_Int32 i, sal_Int16 radix) SAL_THROW_EXTERN_C()
Create the string representation of an integer.
OUStringBuffer & append(const sal_Unicode *str, sal_Int32 len)
Appends the string representation of the char array argument to this string buffer.
Definition: ustrbuf.hxx:664
SAL_DLLPUBLIC sal_Int32 rtl_ustr_indexOfChar_WithLength(const sal_Unicode *str, sal_Int32 len, sal_Unicode ch) SAL_THROW_EXTERN_C()
Search for the first occurrence of a character within a string.
sal_Int32 getLength() const
Returns the length (character count) of this string buffer.
Definition: ustrbuf.hxx:419
OUStringBuffer(const OUString &value)
Constructs a string buffer so that it represents the same sequence of characters as the string argume...
Definition: ustrbuf.hxx:154
SAL_DLLPUBLIC sal_Int32 rtl_ustr_getLength(const sal_Unicode *str) SAL_THROW_EXTERN_C()
Return the length of a string.
Definition: stringutils.hxx:142
SAL_DLLPUBLIC sal_Int32 rtl_ustr_valueOfInt64(sal_Unicode *str, sal_Int64 l, sal_Int16 radix) SAL_THROW_EXTERN_C()
Create the string representation of a long integer.
SAL_DLLPUBLIC sal_Int32 rtl_str_getLength(const char *str) SAL_THROW_EXTERN_C()
Return the length of a string.
#define SAL_WARN_UNUSED_RESULT
Use this as markup for functions and methods whose return value must be checked.
Definition: types.h:284
OUStringBuffer & append(char c)
Appends the string representation of the ASCII char argument to this string buffer.
Definition: ustrbuf.hxx:844
#define RTL_USTR_MAX_VALUEOFBOOLEAN
Definition: ustring.h:919
SAL_DLLPUBLIC sal_Int32 rtl_ustr_valueOfFloat(sal_Unicode *str, float f) SAL_THROW_EXTERN_C()
Create the string representation of a float.
OUStringBuffer & append(sal_Int32 i, sal_Int16 radix=10)
Appends the string representation of the sal_Int32 argument to this string buffer.
Definition: ustrbuf.hxx:881
SAL_DLLPUBLIC sal_Int32 rtl_ustr_indexOfAscii_WithLength(sal_Unicode const *str, sal_Int32 len, char const *subStr, sal_Int32 subLen) SAL_THROW_EXTERN_C()
Search for the first occurrence of an ASCII substring within a string.
OUStringBuffer & insert(sal_Int32 offset, bool b)
Inserts the string representation of the bool argument into this string buffer.
Definition: ustrbuf.hxx:1137
OUStringBuffer & insertUtf32(sal_Int32 offset, sal_uInt32 c)
Inserts a single UTF-32 character into this string buffer.
Definition: ustrbuf.hxx:1301
const sal_Unicode * getStr() const SAL_RETURNS_NONNULL
Return a null terminated unicode character array.
Definition: ustrbuf.hxx:541
#define RTL_USTR_MAX_VALUEOFINT32
Definition: ustring.h:961
OUStringBuffer & appendAscii(const char *str)
Appends a 8-Bit ASCII character string to this string buffer.
Definition: ustrbuf.hxx:748
OUStringBuffer copy(sal_Int32 beginIndex) const
Returns a new string buffer that is a substring of this string.
Definition: ustrbuf.hxx:1721
SAL_DLLPUBLIC void rtl_uStringbuffer_newFromStr_WithLength(rtl_uString **newStr, const sal_Unicode *value, sal_Int32 count)
Allocates a new String that contains characters from the character array argument.
#define RTL_USTR_MAX_VALUEOFINT64
Definition: ustring.h:984
sal_Int32 stripStart(sal_Unicode c=' ')
Strip the given character from the start of the buffer.
Definition: ustrbuf.hxx:1613
OUStringBuffer insert(sal_Int32 offset, float f)
Inserts the string representation of the float argument into this string buffer.
Definition: ustrbuf.hxx:1256
libreoffice_internal::ConstCharArrayDetector< T, sal_Int32 >::Type lastIndexOf(T &literal) const
This is an overloaded member function, provided for convenience. It differs from the above function o...
Definition: ustrbuf.hxx:1581
sal_Int32 lastIndexOf(sal_Unicode ch, sal_Int32 fromIndex) const
Returns the index within this string of the last occurrence of the specified character, searching backward starting before the specified index.
Definition: ustrbuf.hxx:1435
SAL_DLLPUBLIC sal_Int32 rtl_ustr_valueOfDouble(sal_Unicode *str, double d) SAL_THROW_EXTERN_C()
Create the string representation of a double.