27 #pragma warning (push) 28 #pragma warning (disable: 4514 4996) 33 #if defined (JUCE_STRINGS_ARE_UNICODE) && ! JUCE_STRINGS_ARE_UNICODE 34 #error "JUCE_STRINGS_ARE_UNICODE is deprecated! All strings are now unicode by default." 37 #if JUCE_NATIVE_WCHAR_IS_UTF8 38 using CharPointer_wchar_t = CharPointer_UTF8;
39 #elif JUCE_NATIVE_WCHAR_IS_UTF16 40 using CharPointer_wchar_t = CharPointer_UTF16;
42 using CharPointer_wchar_t = CharPointer_UTF32;
45 static inline CharPointer_wchar_t castToCharPointer_wchar_t (
const void* t) noexcept
47 return CharPointer_wchar_t (static_cast<const CharPointer_wchar_t::CharType*> (t));
55 size_t allocatedBytes;
56 String::CharPointerType::CharType text;
59 static const EmptyString emptyString { 0x3fffffff,
sizeof (String::CharPointerType::CharType), 0 };
68 using CharType = String::CharPointerType::CharType;
73 numBytes = (numBytes + 3) & ~(
size_t) 3;
75 s->refCount.
value = 0;
76 s->allocatedNumBytes = numBytes;
80 template <
class CharPo
inter>
83 if (text.getAddress() ==
nullptr || text.isEmpty())
86 auto bytesNeeded =
sizeof (CharType) + CharPointerType::getBytesRequiredFor (text);
87 auto dest = createUninitialisedBytes (bytesNeeded);
92 template <
class CharPo
inter>
93 static CharPointerType createFromCharPointer (
const CharPointer text,
size_t maxChars)
95 if (text.getAddress() ==
nullptr || text.isEmpty() || maxChars == 0)
100 size_t bytesNeeded =
sizeof (CharType);
102 while (numChars < maxChars && ! end.isEmpty())
104 bytesNeeded += CharPointerType::getBytesRequiredFor (end.getAndAdvance());
108 auto dest = createUninitialisedBytes (bytesNeeded);
113 template <
class CharPo
inter>
114 static CharPointerType createFromCharPointer (
const CharPointer start,
const CharPointer end)
116 if (start.getAddress() ==
nullptr || start.isEmpty())
121 auto bytesNeeded =
sizeof (CharType);
123 while (e < end && ! e.isEmpty())
125 bytesNeeded += CharPointerType::getBytesRequiredFor (e.getAndAdvance());
129 auto dest = createUninitialisedBytes (bytesNeeded);
139 auto numBytes = (size_t) (reinterpret_cast<const char*> (end.
getAddress())
140 - reinterpret_cast<const char*> (start.
getAddress()));
141 auto dest = createUninitialisedBytes (numBytes +
sizeof (CharType));
142 memcpy (dest.getAddress(), start, numBytes);
143 dest.getAddress()[numBytes /
sizeof (CharType)] = 0;
147 static CharPointerType createFromFixedLength (
const char*
const src,
const size_t numChars)
149 auto dest = createUninitialisedBytes (numChars *
sizeof (CharType) +
sizeof (CharType));
157 auto* b = bufferFromText (text);
159 if (! isEmptyString (b))
163 static inline void release (
StringHolder*
const b) noexcept
165 if (! isEmptyString (b))
166 if (--(b->refCount) == -1)
167 delete[]
reinterpret_cast<char*
> (b);
172 release (bufferFromText (text));
175 static inline int getReferenceCount (
const CharPointerType text) noexcept
177 return bufferFromText (text)->refCount.get() + 1;
183 auto* b = bufferFromText (text);
185 if (isEmptyString (b))
187 auto newText = createUninitialisedBytes (numBytes);
192 if (b->allocatedNumBytes >= numBytes && b->refCount.
get() <= 0)
195 auto newText = createUninitialisedBytes (jmax (b->allocatedNumBytes, numBytes));
196 memcpy (newText.getAddress(), text.
getAddress(), b->allocatedNumBytes);
202 static size_t getAllocatedNumBytes (
const CharPointerType text) noexcept
204 return bufferFromText (text)->allocatedNumBytes;
209 size_t allocatedNumBytes;
217 - (reinterpret_cast<size_t> (reinterpret_cast<StringHolder*> (128)->text) - 128));
222 return (other->refCount.
get() & 0x30000000) != 0;
225 void compileTimeChecks()
228 #if JUCE_NATIVE_WCHAR_IS_UTF8 229 static_assert (
sizeof (
wchar_t) == 1,
"JUCE_NATIVE_WCHAR_IS_* macro has incorrect value");
230 #elif JUCE_NATIVE_WCHAR_IS_UTF16 231 static_assert (
sizeof (
wchar_t) == 2,
"JUCE_NATIVE_WCHAR_IS_* macro has incorrect value");
232 #elif JUCE_NATIVE_WCHAR_IS_UTF32 233 static_assert (
sizeof (
wchar_t) == 4,
"JUCE_NATIVE_WCHAR_IS_* macro has incorrect value");
235 #error "native wchar_t size is unknown" 239 "StringHolder is not large enough to hold an empty String");
243 JUCE_DECLARE_DEPRECATED_STATIC (
const String String::empty;)
252 StringHolder::release (text);
257 StringHolder::retain (text);
262 std::swap (text, other.text);
267 StringHolder::release (text);
268 text = &(emptyString.text);
273 StringHolder::retain (other.text);
274 StringHolder::release (text.atomicSwap (other.text));
280 other.text = &(emptyString.text);
285 std::swap (text, other.text);
289 inline String::PreallocationBytes::PreallocationBytes (
const size_t num) noexcept : numBytes (num) {}
292 : text (StringHolder::createUninitialisedBytes (preallocationSize.numBytes + sizeof (CharPointerType::CharType)))
298 text = StringHolder::makeUniqueWithByteSize (text, numBytesNeeded +
sizeof (CharPointerType::CharType));
303 return StringHolder::getReferenceCount (text);
381 namespace NumberToStringConverters
385 charsNeededForInt = 32,
386 charsNeededForDouble = 48
389 template <
typename Type>
390 static char* printDigits (
char* t, Type v) noexcept
396 *--t =
'0' + (char) (v % 10);
405 static char* numberToString (
char* t, int64 n) noexcept
408 return printDigits (t, static_cast<uint64> (n));
412 t = printDigits (t, static_cast<uint64> (-(n + 1)) + 1);
417 static char* numberToString (
char* t, uint64 v) noexcept
419 return printDigits (t, v);
422 static char* numberToString (
char* t,
int n) noexcept
425 return printDigits (t, static_cast<unsigned int> (n));
429 t = printDigits (t, static_cast<unsigned int> (-(n + 1)) + 1);
434 static char* numberToString (
char* t,
unsigned int v) noexcept
436 return printDigits (t, v);
439 static char* numberToString (
char* t,
long n) noexcept
442 return printDigits (t, static_cast<unsigned long> (n));
444 t = printDigits (t, static_cast<unsigned long> (-(n + 1)) + 1);
449 static char* numberToString (
char* t,
unsigned long v) noexcept
451 return printDigits (t, v);
458 static const std::locale classicLocale (std::locale::classic());
459 imbue (classicLocale);
460 setp (d, d + charsNeededForDouble);
463 size_t writeDouble (
double n,
int numDecPlaces,
bool useScientificNotation)
466 std::ostream o (
this);
468 if (numDecPlaces > 0)
470 o.setf (useScientificNotation ? std::ios_base::scientific : std::ios_base::fixed);
471 o.precision ((std::streamsize) numDecPlaces);
477 return (
size_t) (pptr() - pbase());
481 static char* doubleToString (
char* buffer,
double n,
int numDecPlaces,
bool useScientificNotation,
size_t& len) noexcept
484 len = strm.writeDouble (n, numDecPlaces, useScientificNotation);
485 jassert (len <= charsNeededForDouble);
489 template <
typename IntegerType>
492 char buffer [charsNeededForInt];
493 auto* end = buffer + numElementsInArray (buffer);
494 auto* start = numberToString (end, number);
495 return StringHolder::createFromFixedLength (start, (
size_t) (end - start - 1));
498 static String::CharPointerType createFromDouble (
double number,
int numberOfDecimalPlaces,
bool useScientificNotation)
500 char buffer [charsNeededForDouble];
502 auto start = doubleToString (buffer, number, numberOfDecimalPlaces, useScientificNotation, len);
503 return StringHolder::createFromFixedLength (start, len);
508 String::String (
int number) : text (NumberToStringConverters::createFromInteger (number)) {}
509 String::String (
unsigned int number) : text (NumberToStringConverters::createFromInteger (number)) {}
510 String::String (
short number) : text (NumberToStringConverters::createFromInteger ((int) number)) {}
511 String::String (
unsigned short number) : text (NumberToStringConverters::createFromInteger ((unsigned int) number)) {}
512 String::String (int64 number) : text (NumberToStringConverters::createFromInteger (number)) {}
513 String::String (uint64 number) : text (NumberToStringConverters::createFromInteger (number)) {}
514 String::String (
long number) : text (NumberToStringConverters::createFromInteger (number)) {}
515 String::String (
unsigned long number) : text (NumberToStringConverters::createFromInteger (number)) {}
517 String::String (
float number) : text (NumberToStringConverters::createFromDouble ((double) number, 0, false)) {}
518 String::String (
double number) : text (NumberToStringConverters::createFromDouble ( number, 0, false)) {}
519 String::String (
float number,
int numberOfDecimalPlaces,
bool useScientificNotation) : text (NumberToStringConverters::createFromDouble ((double) number, numberOfDecimalPlaces, useScientificNotation)) {}
520 String::String (
double number,
int numberOfDecimalPlaces,
bool useScientificNotation) : text (NumberToStringConverters::createFromDouble ( number, numberOfDecimalPlaces, useScientificNotation)) {}
525 return (
int) text.
length();
533 size_t String::getByteOffsetOfEnd()
const noexcept
535 return findByteOffsetOfEnd (text);
540 jassert (index == 0 || (index > 0 && index <= (
int) text.
lengthUpTo ((
size_t) index + 1)));
544 template <
typename Type>
547 template <
typename CharPo
inter>
548 static Type calculate (CharPointer t) noexcept
552 while (! t.isEmpty())
553 result = ((Type) multiplier) * result + (Type) t.getAndAdvance();
558 enum { multiplier =
sizeof (Type) > 4 ? 101 : 31 };
568 JUCE_API bool JUCE_CALLTYPE operator== (
const String& s1,
const char* s2) noexcept {
return s1.
compare (s2) == 0; }
569 JUCE_API bool JUCE_CALLTYPE operator!= (
const String& s1,
const char* s2) noexcept {
return s1.
compare (s2) != 0; }
570 JUCE_API bool JUCE_CALLTYPE operator== (
const String& s1,
const wchar_t* s2) noexcept {
return s1.
compare (s2) == 0; }
571 JUCE_API bool JUCE_CALLTYPE operator!= (
const String& s1,
const wchar_t* s2) noexcept {
return s1.
compare (s2) != 0; }
587 return t !=
nullptr ? text.
compareIgnoreCase (castToCharPointer_wchar_t (t)) == 0
604 return text == other.text
610 int String::compare (
const wchar_t*
const other)
const noexcept {
return text.
compare (castToCharPointer_wchar_t (other)); }
623 if (! (isDigit1 || isDigit2))
return bias;
624 if (! isDigit1)
return -1;
625 if (! isDigit2)
return 1;
627 if (c1 != c2 && bias == 0)
628 bias = c1 < c2 ? -1 : 1;
630 jassert (c1 != 0 && c2 != 0);
644 if (! (isDigit1 || isDigit2))
return 0;
645 if (! isDigit1)
return -1;
646 if (! isDigit2)
return 1;
647 if (c1 < c2)
return -1;
648 if (c1 > c2)
return 1;
654 bool firstLoop =
true;
661 if ((! firstLoop) && (hasSpace1 ^ hasSpace2))
666 return hasSpace2 ? 1 : -1;
676 auto result = (*s1 ==
'0' || *s2 ==
'0') ? stringCompareLeft (s1, s2)
677 : stringCompareRight (s1, s2);
686 if (c1 != c2 && ! isCaseSensitive)
702 if (isAlphaNum2 && ! isAlphaNum1)
return -1;
703 if (isAlphaNum1 && ! isAlphaNum2)
return 1;
705 return c1 < c2 ? -1 : 1;
708 jassert (c1 != 0 && c2 != 0);
714 return naturalStringCompare (
getCharPointer(), other.text, isCaseSensitive);
721 : textToAppend.text, maxCharsToTake);
732 jassert (startOfTextToAppend.
getAddress() !=
nullptr && endOfTextToAppend.
getAddress() !=
nullptr);
734 auto extraBytesNeeded = getAddressDifference (endOfTextToAppend.
getAddress(),
736 jassert (extraBytesNeeded >= 0);
738 if (extraBytesNeeded > 0)
740 auto byteOffsetOfNull = getByteOffsetOfEnd();
743 auto* newStringStart = addBytesToPointer (text.
getAddress(), (int) byteOffsetOfNull);
744 memcpy (newStringStart, startOfTextToAppend.
getAddress(), (size_t) extraBytesNeeded);
780 const char asString[] = { ch, 0 };
786 const wchar_t asString[] = { ch, 0 };
790 #if ! JUCE_NATIVE_WCHAR_IS_UTF32 793 const juce_wchar asString[] = { ch, 0 };
799 namespace StringHelpers
801 template <
typename T>
802 inline String& operationAddAssign (
String& str,
const T number)
804 char buffer [(
sizeof(T) * 8) / 2];
805 auto* end = buffer + numElementsInArray (buffer);
806 auto* start = NumberToStringConverters::numberToString (end, number);
808 #if JUCE_STRING_UTF_TYPE == 8 832 JUCE_API String JUCE_CALLTYPE operator+ (
String s1,
const std::string& s2) {
return s1 += s2.c_str(); }
837 #if ! JUCE_NATIVE_WCHAR_IS_UTF32 850 JUCE_API String& JUCE_CALLTYPE operator<< (
String& s1,
const std::string& s2) {
return s1 += s2.c_str(); }
852 JUCE_API String& JUCE_CALLTYPE operator<< (
String& s1, uint8 number) {
return s1 += (int) number; }
853 JUCE_API String& JUCE_CALLTYPE operator<< (
String& s1,
short number) {
return s1 += (int) number; }
864 return operator<< (stream,
StringRef (text));
871 #if (JUCE_STRING_UTF_TYPE == 8) 878 stream.
write (temp, numBytes);
887 return text.indexOf (character);
894 for (
int i = 0; ! t.isEmpty(); ++i)
898 if (t.getAndAdvance() == character)
915 for (
int i = 0; ! t.isEmpty(); ++i)
916 if (t.getAndAdvance() == character)
926 for (
int i = 0; ! t.isEmpty(); ++i)
930 if (charactersToLookFor.text.indexOf (t.getAndAdvance(), ignoreCase) >= 0)
944 return other.isEmpty() ? 0 : text.indexOf (other.text);
959 for (
int i = startIndex; --i >= 0;)
967 auto found = t.indexOf (other.text);
968 return found >= 0 ? found + startIndex : found;
978 for (
int i = startIndex; --i >= 0;)
987 return found >= 0 ? found + startIndex : found;
992 if (other.isNotEmpty())
994 auto len = other.length();
999 for (
auto n = text + i; i >= 0; --i)
1001 if (n.compareUpTo (other.text, len) == 0)
1014 if (other.isNotEmpty())
1016 auto len = other.length();
1021 for (
auto n = text + i; i >= 0; --i)
1023 if (n.compareIgnoreCaseUpTo (other.text, len) == 0)
1039 for (
int i = 0; ! t.isEmpty(); ++i)
1040 if (charactersToLookFor.text.indexOf (t.getAndAdvance(), ignoreCase) >= 0)
1053 return text.indexOf (character) >= 0;
1063 if (word.isNotEmpty())
1066 auto wordLen = word.
length();
1067 auto end = (int) t.length() - wordLen;
1069 for (
int i = 0; i <= end; ++i)
1071 if (t.compareUpTo (word.text, wordLen) == 0
1072 && (i == 0 || ! (t - 1).isLetterOrDigit())
1073 && ! (t + wordLen).isLetterOrDigit())
1085 if (word.isNotEmpty())
1088 auto wordLen = word.
length();
1089 auto end = (int) t.length() - wordLen;
1091 for (
int i = 0; i <= end; ++i)
1093 if (t.compareIgnoreCaseUpTo (word.text, wordLen) == 0
1094 && (i == 0 || ! (t - 1).isLetterOrDigit())
1095 && ! (t + wordLen).isLetterOrDigit())
1116 template <
typename CharPo
inter>
1119 static bool matches (CharPointer wildcard, CharPointer test,
const bool ignoreCase) noexcept
1123 auto wc = wildcard.getAndAdvance();
1126 return wildcard.isEmpty() || matchesAnywhere (wildcard, test, ignoreCase);
1128 if (! characterMatches (wc, test.getAndAdvance(), ignoreCase))
1136 static bool characterMatches (
const juce_wchar wc,
const juce_wchar tc,
const bool ignoreCase) noexcept
1138 return (wc == tc) || (wc ==
'?' && tc != 0)
1142 static bool matchesAnywhere (
const CharPointer wildcard, CharPointer test,
const bool ignoreCase) noexcept
1144 for (; ! test.isEmpty(); ++test)
1145 if (matches (wildcard, test, ignoreCase))
1160 if (numberOfTimesToRepeat <= 0)
1163 String result (PreallocationBytes (findByteOffsetOfEnd (stringToRepeat) * (
size_t) numberOfTimesToRepeat));
1164 auto n = result.text;
1166 while (--numberOfTimesToRepeat >= 0)
1174 jassert (padCharacter != 0);
1176 auto extraChars = minimumLength;
1179 while (! end.isEmpty())
1185 if (extraChars <= 0 || padCharacter == 0)
1188 auto currentByteSize = (size_t) (((
char*) end.getAddress()) - (
char*) text.getAddress());
1190 auto n = result.text;
1192 while (--extraChars >= 0)
1193 n.
write (padCharacter);
1201 jassert (padCharacter != 0);
1203 auto extraChars = minimumLength;
1212 if (extraChars <= 0 || padCharacter == 0)
1215 auto currentByteSize = (size_t) (((
char*) end.
getAddress()) - (
char*) text.getAddress());
1217 auto n = result.text;
1221 while (--extraChars >= 0)
1222 n.write (padCharacter);
1238 if (numCharsToReplace < 0)
1241 numCharsToReplace = 0;
1245 auto insertPoint = text;
1247 for (
int i = 0; i < index; ++i)
1249 if (insertPoint.isEmpty())
1253 return *
this + stringToInsert;
1259 auto startOfRemainder = insertPoint;
1261 for (
int i = 0; i < numCharsToReplace && ! startOfRemainder.isEmpty(); ++i)
1264 if (insertPoint == text && startOfRemainder.
isEmpty())
1265 return stringToInsert.
text;
1267 auto initialBytes = (
size_t) (((
char*) insertPoint.getAddress()) - (
char*) text.getAddress());
1268 auto newStringBytes = findByteOffsetOfEnd (stringToInsert);
1269 auto remainderBytes = (size_t) (((
char*) startOfRemainder.findTerminatingNull().getAddress()) - (
char*) startOfRemainder.getAddress());
1271 auto newTotalBytes = initialBytes + newStringBytes + remainderBytes;
1273 if (newTotalBytes <= 0)
1276 String result (PreallocationBytes ((
size_t) newTotalBytes));
1278 auto* dest = (
char*) result.text.
getAddress();
1279 memcpy (dest, text.getAddress(), initialBytes);
1280 dest += initialBytes;
1282 dest += newStringBytes;
1283 memcpy (dest, startOfRemainder.getAddress(), remainderBytes);
1284 dest += remainderBytes;
1292 auto stringToReplaceLen = stringToReplace.
length();
1293 auto stringToInsertLen = stringToInsert.
length();
1299 : result.
indexOf (i, stringToReplace))) >= 0)
1301 result = result.
replaceSection (i, stringToReplaceLen, stringToInsert);
1302 i += stringToInsertLen;
1310 auto stringToReplaceLen = stringToReplace.
length();
1315 return replaceSection (index, stringToReplaceLen, stringToInsert);
1324 result.preallocateBytes (allocatedBytes);
1325 dest = result.getCharPointer();
1329 : source (s), allocatedBytes (StringHolder::getAllocatedNumBytes (s))
1331 result.preallocateBytes (allocatedBytes);
1332 dest = result.getCharPointer();
1335 void write (juce_wchar c)
1339 if (bytesWritten > allocatedBytes)
1341 allocatedBytes += jmax ((
size_t) 8, allocatedBytes / 16);
1342 auto destOffset = (size_t) (((
char*) dest.getAddress()) - (
char*) result.getCharPointer().getAddress());
1343 result.preallocateBytes (allocatedBytes);
1344 dest = addBytesToPointer (result.getCharPointer().getAddress(), (int) destOffset);
1352 size_t allocatedBytes, bytesWritten = 0;
1366 if (c == charToReplace)
1375 return std::move (builder.result);
1382 jassert (charactersToReplace.
length() == charactersToInsertInstead.
length());
1388 auto c = builder.source.getAndAdvance();
1389 auto index = charactersToReplace.
text.
indexOf (c);
1392 c = charactersToInsertInstead [index];
1400 return std::move (builder.result);
1406 return text.compareUpTo (other.text, other.length()) == 0;
1411 return text.compareIgnoreCaseUpTo (other.text, other.length()) == 0;
1416 jassert (character != 0);
1418 return *text == character;
1423 jassert (character != 0);
1428 auto t = text.findTerminatingNull();
1429 return *--t == character;
1434 auto end = text.findTerminatingNull();
1437 while (end > text && otherEnd > other.
text)
1442 if (*end != *otherEnd)
1446 return otherEnd == other.text;
1451 auto end = text.findTerminatingNull();
1454 while (end > text && otherEnd > other.
text)
1459 if (end.toLowerCase() != otherEnd.toLowerCase())
1463 return otherEnd == other.text;
1482 return std::move (builder.result);
1500 return std::move (builder.result);
1555 while (--start >= 0)
1568 return String (text, (
size_t) jmax (0,
length() - numberToDrop));
1573 return String (text + jmax (0,
length() - jmax (0, numCharacters)));
1616 static bool isQuoteCharacter (juce_wchar c) noexcept
1618 return c ==
'"' || c ==
'\'';
1623 return isQuoteCharacter (*text.findEndOfWhitespace());
1628 if (! isQuoteCharacter (*text))
1632 return substring (1, len - (isQuoteCharacter (text[len - 1]) ? 1 : 0));
1646 t += quoteCharacter;
1657 if (! (--end).isWhitespace())
1671 auto start = text.findEndOfWhitespace();
1673 auto trimmedEnd = findTrimmedEnd (start, end);
1675 if (trimmedEnd <= start)
1678 if (text < start || trimmedEnd < end)
1679 return String (start, trimmedEnd);
1689 auto t = text.findEndOfWhitespace();
1702 auto end = text.findTerminatingNull();
1703 auto trimmedEnd = findTrimmedEnd (text, end);
1705 if (trimmedEnd < end)
1706 return String (text, trimmedEnd);
1719 return t == text ? *this :
String (t);
1726 auto end = text.findTerminatingNull();
1727 auto trimmedEnd = end;
1729 while (trimmedEnd > text)
1731 if (charactersToTrim.
text.
indexOf (*--trimmedEnd) < 0)
1738 if (trimmedEnd < end)
1739 return String (text, trimmedEnd);
1765 return std::move (builder.result);
1786 return std::move (builder.result);
1791 for (
auto t = text; ! t.
isEmpty(); ++t)
1800 for (
auto t = text; ! t.
isEmpty(); ++t)
1809 for (
auto t = text; ! t.
isEmpty();)
1810 if (chars.text.indexOf (t.getAndAdvance()) < 0)
1818 for (
auto t = text; ! t.
isEmpty();)
1819 if (chars.text.indexOf (t.getAndAdvance()) >= 0)
1827 for (
auto t = text; ! t.
isEmpty(); ++t)
1828 if (! t.isWhitespace())
1834 String String::formattedRaw (
const char* pf, ...)
1836 size_t bufferSize = 256;
1841 va_start (args, pf);
1845 int num = (int) vsnprintf (temp.
get(), bufferSize - 1, pf, args);
1846 if (num >= static_cast<int> (bufferSize))
1849 String wideCharVersion (pf);
1851 const int num = (int)
1866 if (num == 0 || bufferSize > 65536)
1883 auto t = text.findTerminatingNull();
1895 n +=
static_cast<juce_wchar
> (mult) * (*t -
'0');
1902 static const char hexDigits[] =
"0123456789abcdef";
1904 template <
typename Type>
1905 static String hexToString (Type v)
1907 String::CharPointerType::CharType buffer[32];
1908 auto* end = buffer + numElementsInArray (buffer) - 1;
1914 *--t = hexDigits [(int) (v & 15)];
1923 String String::createHex (uint8 n) {
return hexToString (n); }
1924 String String::createHex (uint16 n) {
return hexToString (n); }
1925 String String::createHex (uint32 n) {
return hexToString (n); }
1926 String String::createHex (uint64 n) {
return hexToString (n); }
1933 int numChars = (size * 2) + 2;
1935 numChars += size / groupSize;
1937 String s (PreallocationBytes ((
size_t) numChars *
sizeof (CharPointerType::CharType)));
1939 auto* data =
static_cast<const unsigned char*
> (d);
1942 for (
int i = 0; i < size; ++i)
1944 const unsigned char nextByte = *data++;
1945 dest.
write ((juce_wchar) hexDigits [nextByte >> 4]);
1946 dest.write ((juce_wchar) hexDigits [nextByte & 0xf]);
1948 if (groupSize > 0 && (i % groupSize) == (groupSize - 1) && i < (size - 1))
1949 dest.write ((juce_wchar)
' ');
1960 static String getStringFromWindows1252Codepage (
const char* data,
size_t num)
1964 for (
size_t i = 0; i < num; ++i)
1973 auto* data =
static_cast<const uint8*
> (unknownData);
1975 if (size <= 0 || data ==
nullptr)
1984 const int numChars = size / 2 - 1;
1988 auto src =
reinterpret_cast<const uint16*
> (data + 2);
1992 for (
int i = 0; i < numChars; ++i)
1997 for (
int i = 0; i < numChars; ++i)
2002 return std::move (builder.result);
2005 auto* start = (
const char*) data;
2017 return getStringFromWindows1252Codepage (start, (
size_t) size);
2021 static const juce_wchar emptyChar = 0;
2023 template <
class CharPo
interType_Src,
class CharPo
interType_Dest>
2026 static CharPointerType_Dest convert (
const String& s)
2028 auto& source =
const_cast<String&
> (s);
2030 using DestChar =
typename CharPointerType_Dest::CharType;
2032 if (source.isEmpty())
2033 return CharPointerType_Dest (reinterpret_cast<const DestChar*> (&emptyChar));
2035 CharPointerType_Src text (source.getCharPointer());
2036 auto extraBytesNeeded = CharPointerType_Dest::getBytesRequiredFor (text) +
sizeof (
typename CharPointerType_Dest::CharType);
2037 auto endOffset = (text.sizeInBytes() + 3) & ~3u;
2039 source.preallocateBytes (endOffset + extraBytesNeeded);
2040 text = source.getCharPointer();
2042 void*
const newSpace = addBytesToPointer (text.getAddress(), (int) endOffset);
2043 const CharPointerType_Dest extraSpace (static_cast<DestChar*> (newSpace));
2045 #if JUCE_DEBUG // (This just avoids spurious warnings from valgrind about the uninitialised bytes at the end of the buffer..) 2046 auto bytesToClear = (size_t) jmin ((
int) extraBytesNeeded, 4);
2047 zeromem (addBytesToPointer (newSpace, extraBytesNeeded - bytesToClear), bytesToClear);
2050 CharPointerType_Dest (extraSpace).writeAll (text);
2087 std::string String::toStdString()
const 2093 template <
class CharPo
interType_Src,
class CharPo
interType_Dest>
2096 static size_t copyToBuffer (
const CharPointerType_Src source,
typename CharPointerType_Dest::CharType*
const buffer,
const size_t maxBufferSizeBytes)
2098 jassert (((ssize_t) maxBufferSizeBytes) >= 0);
2100 if (buffer ==
nullptr)
2101 return CharPointerType_Dest::getBytesRequiredFor (source) +
sizeof (
typename CharPointerType_Dest::CharType);
2103 return CharPointerType_Dest (buffer).writeWithDestByteLimit (source, maxBufferSizeBytes);
2107 size_t String::copyToUTF8 (CharPointer_UTF8::CharType*
const buffer,
size_t maxBufferSizeBytes)
const noexcept
2112 size_t String::copyToUTF16 (CharPointer_UTF16::CharType*
const buffer,
size_t maxBufferSizeBytes)
const noexcept
2117 size_t String::copyToUTF32 (CharPointer_UTF32::CharType*
const buffer,
size_t maxBufferSizeBytes)
const noexcept
2130 if (buffer !=
nullptr)
2132 if (bufferSizeBytes < 0)
2135 if (bufferSizeBytes > 0)
2146 #pragma warning (pop) 2155 #if JUCE_STRING_UTF_TYPE != 8 2156 : text (
nullptr), stringCopy (stringLiteral)
2158 : text (stringLiteral)
2161 #if JUCE_STRING_UTF_TYPE != 8 2162 text = stringCopy.getCharPointer();
2165 jassert (stringLiteral !=
nullptr);
2167 #if JUCE_NATIVE_WCHAR_IS_UTF8 2187 jassert (stringLiteral.getAddress() !=
nullptr);
2195 static String reduceLengthOfFloatString (
const String& input)
2198 const auto end = start + (int) input.
length();
2199 auto trimStart = end;
2200 auto trimEnd = trimStart;
2201 auto exponentTrimStart = end;
2202 auto exponentTrimEnd = exponentTrimStart;
2204 decltype (*start) currentChar =
'\0';
2206 for (
auto c = end - 1; c > start; --c)
2210 if (currentChar ==
'0' && c + 1 == trimStart)
2214 else if (currentChar ==
'.')
2216 if (trimStart == c + 1 && trimStart != end && *trimStart ==
'0')
2221 else if (currentChar ==
'e' || currentChar ==
'E')
2230 exponentTrimStart = cNext;
2232 if (cNext != end && *cNext ==
'+')
2235 exponentTrimEnd = cNext;
2238 while (cNext != end && *cNext++ ==
'0')
2239 exponentTrimEnd = cNext;
2241 if (exponentTrimEnd == end)
2242 exponentTrimStart = c;
2245 trimEnd = trimStart;
2249 if ((trimStart != trimEnd && currentChar ==
'.') || exponentTrimStart != exponentTrimEnd)
2251 if (trimStart == trimEnd)
2252 return String (start, exponentTrimStart) +
String (exponentTrimEnd, end);
2254 if (exponentTrimStart == exponentTrimEnd)
2255 return String (start, trimStart) +
String (trimEnd, end);
2257 if (trimEnd == exponentTrimStart)
2258 return String (start, trimStart) +
String (exponentTrimEnd, end);
2260 return String (start, trimStart) +
String (trimEnd, exponentTrimStart) +
String (exponentTrimEnd, end);
2266 static String serialiseDouble (
double input)
2268 auto absInput = std::abs (input);
2270 if (absInput >= 1.0e6 || absInput <= 1.0e-5)
2271 return reduceLengthOfFloatString ({ input, 15,
true });
2273 int intInput = (int) input;
2275 if ((
double) intInput == input)
2276 return { input, 1 };
2278 auto numberOfDecimalPlaces = [absInput]
2282 if (absInput >= 1.0e-3)
2284 if (absInput >= 1.0e-1)
return 16;
2285 if (absInput >= 1.0e-2)
return 17;
2289 if (absInput >= 1.0e-4)
return 19;
2293 if (absInput < 1.0e3)
2295 if (absInput < 1.0e1)
return 15;
2296 if (absInput < 1.0e2)
return 14;
2300 if (absInput < 1.0e4)
return 12;
2301 if (absInput < 1.0e5)
return 11;
2305 return reduceLengthOfFloatString (
String (input, numberOfDecimalPlaces));
2313 #define STRINGIFY2(X) #X 2314 #define STRINGIFY(X) STRINGIFY2(X) 2316 class StringTests :
public UnitTest 2320 :
UnitTest (
"String class", UnitTestCategories::text)
2323 template <
class CharPo
interType>
2324 struct TestUTFConversion
2328 String s (createRandomWideCharString (r));
2330 typename CharPointerType::CharType buffer [300];
2332 memset (buffer, 0xff,
sizeof (buffer));
2333 CharPointerType (buffer).writeAll (s.
toUTF32());
2336 memset (buffer, 0xff,
sizeof (buffer));
2337 CharPointerType (buffer).writeAll (s.
toUTF16());
2340 memset (buffer, 0xff,
sizeof (buffer));
2341 CharPointerType (buffer).writeAll (s.
toUTF8());
2344 test.
expect (CharPointerType::isValidString (buffer, (
int) strlen ((
const char*) buffer)));
2350 juce_wchar buffer[50] = { 0 };
2352 for (
int i = 0; i < numElementsInArray (buffer) - 1; ++i)
2358 buffer[i] = (juce_wchar) (1 + r.
nextInt (0x10ffff - 1));
2363 buffer[i] = (juce_wchar) (1 + r.
nextInt (0xff));
2369 void runTest()
override 2374 beginTest (
"Basics");
2381 expect (s2.
length() == 4);
2383 expect (s2 == s1 && s1 == s2);
2384 expect (s1 ==
"abcd" && s1 == L
"abcd");
2386 expect (
String (
"abcdefg", 4) == L
"abcd");
2387 expect (
String (
"abcdefg", 4) ==
String (L
"abcdefg", 4));
2390 expect (s2 +
"e" ==
"abcde" && s2 +
'e' ==
"abcde");
2391 expect (s2 + L
'e' ==
"abcde" && s2 + L
"e" ==
"abcde");
2392 expect (s1.equalsIgnoreCase (
"abcD") && s1 <
"abce" && s1 >
"abbb");
2393 expect (s1.startsWith (
"ab") && s1.startsWith (
"abcd") && ! s1.startsWith (
"abcde"));
2394 expect (s1.startsWithIgnoreCase (
"aB") && s1.endsWithIgnoreCase (
"CD"));
2395 expect (s1.endsWith (
"bcd") && ! s1.endsWith (
"aabcd"));
2396 expectEquals (s1.indexOf (
String()), 0);
2397 expectEquals (s1.indexOfIgnoreCase (
String()), 0);
2398 expect (s1.startsWith (
String()) && s1.endsWith (
String()) && s1.contains (
String()));
2399 expect (s1.contains (
"cd") && s1.contains (
"ab") && s1.contains (
"abcd"));
2400 expect (s1.containsChar (
'a'));
2401 expect (! s1.containsChar (
'x'));
2402 expect (! s1.containsChar (0));
2403 expect (
String (
"abc foo bar").containsWholeWord (
"abc") &&
String (
"abc foo bar").containsWholeWord (
"abc"));
2407 beginTest (
"Operations");
2412 expect (s.
hashCode() != (s + s).hashCode());
2413 expect (s.
hashCode64() != (s + s).hashCode64());
2417 expect (
String(
"a").compareNatural (
"A") == 0);
2418 expect (
String(
"A").compareNatural (
"B") < 0);
2419 expect (
String(
"a").compareNatural (
"B") < 0);
2420 expect (
String(
"10").compareNatural (
"2") > 0);
2421 expect (
String(
"Abc 10").compareNatural (
"aBC 2") > 0);
2422 expect (
String(
"Abc 1").compareNatural (
"aBC 2") < 0);
2432 expect (
String (
"444445").indexOf (
"45") == 4);
2433 expect (
String (
"444445").lastIndexOfChar (
'4') == 4);
2434 expect (
String (
"45454545x").lastIndexOf (
String (L
"45")) == 6);
2435 expect (
String (
"45454545x").lastIndexOfAnyOf (
"456") == 7);
2436 expect (
String (
"45454545x").lastIndexOfAnyOf (
String (L
"456x")) == 8);
2437 expect (
String (
"abABaBaBa").lastIndexOfIgnoreCase (
"aB") == 6);
2439 expect (s + s ==
"012345678012345678");
2449 expect (s [s.
length()] == 0);
2450 expect (
String (
"abcdEFGH").toLowerCase() ==
String (
"abcdefgh"));
2451 expect (
String (
"abcdEFGH").toUpperCase() ==
String (
"ABCDEFGH"));
2458 s2 << ((int) 4) << ((short) 5) <<
"678" << L
"9" <<
'0';
2460 expect (s2 ==
"1234567890xyz");
2462 expect (s2 ==
"1234567890xyz123");
2464 expect (s2 ==
"1234567890xyz123123");
2466 expect (s2 ==
"1234567890xyz123123def");
2470 String numStr (std::numeric_limits<int16>::max());
2471 expect (numStr ==
"32767");
2474 String numStr (std::numeric_limits<int16>::min());
2475 expect (numStr ==
"-32768");
2479 numStr << std::numeric_limits<int16>::max();
2480 expect (numStr ==
"32767");
2484 numStr << std::numeric_limits<int16>::min();
2485 expect (numStr ==
"-32768");
2489 String numStr (std::numeric_limits<int32>::max());
2490 expect (numStr ==
"2147483647");
2493 String numStr (std::numeric_limits<int32>::min());
2494 expect (numStr ==
"-2147483648");
2498 numStr << std::numeric_limits<int32>::max();
2499 expect (numStr ==
"2147483647");
2503 numStr << std::numeric_limits<int32>::min();
2504 expect (numStr ==
"-2147483648");
2508 String numStr (std::numeric_limits<uint32>::max());
2509 expect (numStr ==
"4294967295");
2512 String numStr (std::numeric_limits<uint32>::min());
2513 expect (numStr ==
"0");
2517 String numStr (std::numeric_limits<int64>::max());
2518 expect (numStr ==
"9223372036854775807");
2521 String numStr (std::numeric_limits<int64>::min());
2522 expect (numStr ==
"-9223372036854775808");
2526 numStr << std::numeric_limits<int64>::max();
2527 expect (numStr ==
"9223372036854775807");
2531 numStr << std::numeric_limits<int64>::min();
2532 expect (numStr ==
"-9223372036854775808");
2536 String numStr (std::numeric_limits<uint64>::max());
2537 expect (numStr ==
"18446744073709551615");
2540 String numStr (std::numeric_limits<uint64>::min());
2541 expect (numStr ==
"0");
2545 numStr << std::numeric_limits<uint64>::max();
2546 expect (numStr ==
"18446744073709551615");
2550 numStr << std::numeric_limits<uint64>::min();
2551 expect (numStr ==
"0");
2555 String numStr (std::numeric_limits<size_t>::min());
2556 expect (numStr ==
"0");
2559 beginTest (
"Numeric conversions");
2560 expect (
String().getIntValue() == 0);
2561 expect (
String().getDoubleValue() == 0.0);
2562 expect (
String().getFloatValue() == 0.0f);
2567 expect (
String (-1234).getIntValue() == -1234);
2568 expect (
String ((int64) -1234).getLargeIntValue() == -1234);
2569 expect (
String (-1234.56).getDoubleValue() == -1234.56);
2570 expect (
String (-1234.56f).getFloatValue() == -1234.56f);
2571 expect (
String (std::numeric_limits<int>::max()).getIntValue() == std::numeric_limits<int>::max());
2572 expect (
String (std::numeric_limits<int>::min()).getIntValue() == std::numeric_limits<int>::min());
2573 expect (
String (std::numeric_limits<int64>::max()).getLargeIntValue() == std::numeric_limits<int64>::max());
2574 expect (
String (std::numeric_limits<int64>::min()).getLargeIntValue() == std::numeric_limits<int64>::min());
2575 expect ((
"xyz" + s).getTrailingIntValue() == s.
getIntValue());
2588 unsigned char data[] = { 1, 2, 3, 4, 0xa, 0xb, 0xc, 0xd };
2593 expectEquals (
String (12345.67, 4),
String (
"12345.6700"));
2594 expectEquals (
String (12345.67, 6),
String (
"12345.670000"));
2595 expectEquals (
String (2589410.5894, 7),
String (
"2589410.5894000"));
2596 expectEquals (
String (12345.67, 8),
String (
"12345.67000000"));
2597 expectEquals (
String (1e19, 4),
String (
"10000000000000000000.0000"));
2598 expectEquals (
String (1e-34, 36),
String (
"0.000000000000000000000000000000000100"));
2601 expectEquals (
String (12345.67, 4,
true),
String (
"1.2346e+04"));
2602 expectEquals (
String (12345.67, 6,
true),
String (
"1.234567e+04"));
2603 expectEquals (
String (2589410.5894, 7,
true),
String (
"2.5894106e+06"));
2604 expectEquals (
String (12345.67, 8,
true),
String (
"1.23456700e+04"));
2605 expectEquals (
String (1e19, 4,
true),
String (
"1.0000e+19"));
2606 expectEquals (
String (1e-34, 5,
true),
String (
"1.00000e-34"));
2607 expectEquals (
String (1.39, 1,
true),
String (
"1.4e+00"));
2609 beginTest (
"Subsections");
2627 expect (s3.
indexOf (
"HIJ") == 7);
2631 expect (s3.toStdString() == s3.
toRawUTF8());
2634 s4.append (
String (
"xyz123"), 3);
2635 expect (s4 == s3 +
"xyz");
2644 String s5 (
"word word2 word3");
2658 expect (!
String (
" \n\r\t").containsNonWhitespaceChars());
2666 expect (
String (
"xx**y").matchesWildcard (
"*y",
true));
2667 expect (
String (
"xx**y").matchesWildcard (
"x*y",
true));
2668 expect (
String (
"xx**y").matchesWildcard (
"xx*y",
true));
2669 expect (
String (
"xx**y").matchesWildcard (
"xx*",
true));
2670 expect (
String (
"xx?y").matchesWildcard (
"x??y",
true));
2671 expect (
String (
"xx?y").matchesWildcard (
"xx?y",
true));
2672 expect (!
String (
"xx?y").matchesWildcard (
"xx?y?",
true));
2673 expect (
String (
"xx?y").matchesWildcard (
"xx??",
true));
2704 expectEquals (s5.
replace (
"word",
"xyz",
false),
String (
"xyz xyz2 xyz3"));
2705 expect (s5.
replace (
"Word",
"xyz",
true) ==
"xyz xyz2 xyz3");
2707 expect (s5.
replace (
"Word",
"",
true) ==
" 2 3");
2708 expectEquals (s5.
replace (
"Word2",
"xyz",
true),
String (
"word xyz word3"));
2718 expect (
String (
"word").initialSectionContainingOnly (
"word") == L
"word");
2724 expect (!
String (
"x'").isQuotedString());
2725 expect (
String (
"'x").isQuotedString());
2727 String s6 (
" \t xyz \t\r\n");
2729 expect (s6.
trim().
trim() ==
"xyz");
2730 expectEquals (s5.
trim(), s5);
2735 expectEquals ((
"\t\r\n " + s6 +
"\t\n \r").trim(), s6.
trim());
2740 beginTest (
"UTF conversions");
2742 TestUTFConversion <CharPointer_UTF32>::test (*
this, r);
2743 TestUTFConversion <CharPointer_UTF8>::test (*
this, r);
2744 TestUTFConversion <CharPointer_UTF16>::test (*
this, r);
2748 beginTest (
"StringArray");
2752 expectEquals (s.
size(), 5);
2763 expectEquals (toks.size(), 3);
2764 expectEquals (toks.joinIntoString (
"-"),
String (
"x--"));
2767 toks.addTokens (
",x,",
";,",
"");
2768 expectEquals (toks.size(), 3);
2769 expectEquals (toks.joinIntoString (
"-"),
String (
"-x-"));
2772 toks.addTokens (
"x,'y,z',",
";,",
"'");
2773 expectEquals (toks.size(), 3);
2774 expectEquals (toks.joinIntoString (
"-"),
String (
"x-'y,z'-"));
2785 expect (! v2.
equals (v1));
2786 expect (! v1.
equals (v2));
2788 expect (! v3.
equals (v1));
2789 expect (! v1.
equals (v3));
2794 expect (! v2.
equals (v4));
2795 expect (! v4.
equals (v2));
2799 beginTest (
"Significant figures");
2842 beginTest (
"Float trimming");
2846 tests.
set (
"1",
"1");
2847 tests.
set (
"1.0",
"1.0");
2848 tests.
set (
"-1",
"-1");
2849 tests.
set (
"-100",
"-100");
2850 tests.
set (
"110",
"110");
2851 tests.
set (
"9090",
"9090");
2852 tests.
set (
"1000.0",
"1000.0");
2853 tests.
set (
"1.0",
"1.0");
2854 tests.
set (
"-1.00",
"-1.0");
2855 tests.
set (
"1.20",
"1.2");
2856 tests.
set (
"1.300",
"1.3");
2857 tests.
set (
"1.301",
"1.301");
2858 tests.
set (
"1e",
"1");
2859 tests.
set (
"-1e+",
"-1");
2860 tests.
set (
"1e-",
"1");
2861 tests.
set (
"1e0",
"1");
2862 tests.
set (
"1e+0",
"1");
2863 tests.
set (
"1e-0",
"1");
2864 tests.
set (
"1e000",
"1");
2865 tests.
set (
"1e+000",
"1");
2866 tests.
set (
"-1e-000",
"-1");
2867 tests.
set (
"1e100",
"1e100");
2868 tests.
set (
"100e100",
"100e100");
2869 tests.
set (
"100.0e0100",
"100.0e100");
2870 tests.
set (
"-1e1",
"-1e1");
2871 tests.
set (
"1e10",
"1e10");
2872 tests.
set (
"-1e+10",
"-1e10");
2873 tests.
set (
"1e-10",
"1e-10");
2874 tests.
set (
"1e0010",
"1e10");
2875 tests.
set (
"1e-0010",
"1e-10");
2876 tests.
set (
"1e-1",
"1e-1");
2877 tests.
set (
"-1.0e1",
"-1.0e1");
2878 tests.
set (
"1.0e-1",
"1.0e-1");
2879 tests.
set (
"1.00e-1",
"1.0e-1");
2880 tests.
set (
"1.001e1",
"1.001e1");
2881 tests.
set (
"1.010e+1",
"1.01e1");
2882 tests.
set (
"-1.1000e1",
"-1.1e1");
2885 expectEquals (reduceLengthOfFloatString (input), tests[input]);
2889 std::map<double, String> tests;
2892 tests[1.01] =
"1.01";
2893 tests[0.76378] =
"7.6378e-1";
2894 tests[-10] =
"-1.0e1";
2895 tests[10.01] =
"1.001e1";
2896 tests[10691.01] =
"1.069101e4";
2897 tests[0.0123] =
"1.23e-2";
2898 tests[-3.7e-27] =
"-3.7e-27";
2899 tests[1e+40] =
"1.0e40";
2901 for (
auto& test : tests)
2902 expectEquals (reduceLengthOfFloatString (
String (test.first, 15,
true)), test.second);
2907 beginTest (
"Serialisation");
2909 std::map <double, String> tests;
2911 tests[364] =
"364.0";
2912 tests[1e7] =
"1.0e7";
2913 tests[12345678901] =
"1.2345678901e10";
2915 tests[1234567890123456.7] =
"1.234567890123457e15";
2916 tests[12345678.901234567] =
"1.234567890123457e7";
2917 tests[1234567.8901234567] =
"1.234567890123457e6";
2918 tests[123456.78901234567] =
"123456.7890123457";
2919 tests[12345.678901234567] =
"12345.67890123457";
2920 tests[1234.5678901234567] =
"1234.567890123457";
2921 tests[123.45678901234567] =
"123.4567890123457";
2922 tests[12.345678901234567] =
"12.34567890123457";
2923 tests[1.2345678901234567] =
"1.234567890123457";
2924 tests[0.12345678901234567] =
"0.1234567890123457";
2925 tests[0.012345678901234567] =
"0.01234567890123457";
2926 tests[0.0012345678901234567] =
"0.001234567890123457";
2927 tests[0.00012345678901234567] =
"0.0001234567890123457";
2928 tests[0.000012345678901234567] =
"0.00001234567890123457";
2929 tests[0.0000012345678901234567] =
"1.234567890123457e-6";
2930 tests[0.00000012345678901234567] =
"1.234567890123457e-7";
2932 for (
auto& test : tests)
2934 expectEquals (serialiseDouble (test.first), test.second);
2935 expectEquals (serialiseDouble (-test.first),
"-" + test.second);
2941 static StringTests stringUnitTests;
Wraps a pointer to a null-terminated ASCII character string, and provides various methods to operate ...
int lastIndexOfIgnoreCase(StringRef textToLookFor) const noexcept
Searches for a substring inside this string (working backwards from the end of the string)...
static size_t getBytesRequiredFor(const juce_wchar charToWrite) noexcept
Returns the number of bytes that would be needed to represent the given unicode character in this enc...
static Type swapIfBigEndian(Type value) noexcept
Swaps the byte order of a signed or unsigned integer if the CPU is big-endian.
juce_wchar toUpperCase() const noexcept
Returns an upper-case version of the first character of this string.
static juce_wchar toUpperCase(juce_wchar character) noexcept
Converts a character to upper-case.
#define JUCE_API
This macro is added to all JUCE public class declarations.
String replaceCharacters(StringRef charactersToReplace, StringRef charactersToInsertInstead) const
Replaces a set of characters with another set.
void writeWithCharLimit(const CharPointer src, const int maxChars) noexcept
Copies a source string to this pointer, advancing this pointer as it goes.
bool containsOnly(StringRef charactersItMightContain) const noexcept
Looks for a set of characters in the string.
juce_wchar getLastCharacter() const noexcept
Returns the final character of the string.
int64 hashCode64() const noexcept
Generates a probably-unique 64-bit hashcode from this string.
int indexOfAnyOf(StringRef charactersToLookFor, int startIndex=0, bool ignoreCase=false) const noexcept
Returns the index of the first character that matches one of the characters passed-in to this method...
virtual bool write(const void *dataToWrite, size_t numberOfBytes)=0
Writes a block of data to the stream.
String fromFirstOccurrenceOf(StringRef substringToStartFrom, bool includeSubStringInResult, bool ignoreCase) const
Returns a section of the string starting from a given substring.
String toUpperCase() const
Returns an upper-case version of this string.
bool isDigit() const noexcept
Returns true if the first character of this string is a digit.
const char * toRawUTF8() const
Returns a pointer to a UTF-8 version of this string.
static String toDecimalStringWithSignificantFigures(DecimalType number, int numberOfSignificantFigures)
Returns a string containing a decimal with a set number of significant figures.
String() noexcept
Creates an empty string.
size_t length() const noexcept
Returns the number of characters in this string.
String getLastCharacters(int numCharacters) const
Returns a number of characters from the end of the string.
bool endsWithChar(juce_wchar character) const noexcept
Tests whether the string ends with a particular character.
bool isNotEmpty() const noexcept
Returns true if the string contains at least one character.
bool containsWholeWordIgnoreCase(StringRef wordToLookFor) const noexcept
Tests whether the string contains another substring as a distinct word.
String initialSectionNotContaining(StringRef charactersToStopAt) const
Returns a section from the start of the string that only contains a certain set of characters...
void swapWith(String &other) noexcept
Swaps the contents of this string with another one.
void append(const String &textToAppend, size_t maxCharsToTake)
Appends a string to the end of this one.
int nextInt() noexcept
Returns the next random 32 bit integer.
A simple class for holding temporary references to a string literal or String.
CharPointer_UTF16 toUTF16() const
Returns a pointer to a UTF-16 version of this string.
A variant class, that can be used to hold a range of primitive values.
int length() const noexcept
Returns the number of characters in the string.
bool nextBool() noexcept
Returns the next random boolean value.
static bool isValidString(const CharType *dataToTest, int maxBytesToRead)
Returns true if this data contains a valid string in this encoding.
const StringArray & getAllKeys() const noexcept
Returns a list of all keys in the array.
size_t copyToUTF8(CharPointer_UTF8::CharType *destBuffer, size_t maxBufferSizeBytes) const noexcept
Copies the string to a buffer as UTF-8 characters.
String & operator=(const String &other) noexcept
Replaces this string's contents with another string.
static bool canRepresent(juce_wchar character) noexcept
Returns true if the given unicode character can be represented in this encoding.
~String() noexcept
Destructor.
String trimCharactersAtEnd(StringRef charactersToTrim) const
Returns a copy of this string, having removed a specified set of characters from its end...
void remove(int index)
Removes a string from the array.
bool containsChar(juce_wchar character) const noexcept
Tests whether the string contains a particular character.
bool endsWithIgnoreCase(StringRef text) const noexcept
Tests whether the string ends with another string.
bool isQuotedString() const
Checks whether the string might be in quotation marks.
String retainCharacters(StringRef charactersToRetain) const
Returns a version of this string that only retains a fixed set of characters.
juce_wchar operator[](int index) const noexcept
Returns the character at this index in the string.
int compareNatural(StringRef other, bool isCaseSensitive=false) const noexcept
Compares two strings, taking into account textual characteristics like numbers and spaces...
static bool isDigit(char character) noexcept
Checks whether a character is a digit.
int lastIndexOf(StringRef textToLookFor) const noexcept
Searches for a substring inside this string (working backwards from the end of the string)...
CharPointerType getCharPointer() const noexcept
Returns the character pointer currently being used to store this string.
String dropLastCharacters(int numberToDrop) const
Returns a version of this string with a number of characters removed from the end.
bool isEmpty() const noexcept
Returns true if this pointer is pointing to a null character.
size_t lengthUpTo(const size_t maxCharsToCount) const noexcept
Returns the number of characters in this string, or the given value, whichever is lower...
A special array for holding a list of strings.
static String createStringFromData(const void *data, int size)
Creates a string from data in an unknown format.
void expectEquals(ValueType actual, ValueType expected, String failureMessage=String())
Compares a value to an expected value.
const wchar_t * toWideCharPointer() const
Returns a pointer to a wchar_t version of this string.
bool startsWithIgnoreCase(StringRef text) const noexcept
Tests whether the string begins with another string.
static bool isValidString(const CharType *dataToTest, int maxBytesToRead)
Returns true if this data contains a valid string in this encoding.
float getFloatValue() const noexcept
Parses this string as a floating point number.
int64 getHexValue64() const noexcept
Parses the string as a hexadecimal number.
ElementType * get() const noexcept
Returns a raw pointer to the allocated data.
CharPointer_UTF8 findEndOfWhitespace() const noexcept
Returns the first non-whitespace character in the string.
int64 getLargeIntValue() const noexcept
Reads the value of the string as a decimal number (up to 64 bits in size).
String replaceSection(int startIndex, int numCharactersToReplace, StringRef stringToInsert) const
Replaces a sub-section of the string with another string.
This is a base class for classes that perform a unit test.
String removeCharacters(StringRef charactersToRemove) const
Returns a version of this string with a set of characters removed.
int addTokens(StringRef stringToTokenise, bool preserveQuotedStrings)
Breaks up a string into tokens and adds them to this array.
String fromLastOccurrenceOf(StringRef substringToFind, bool includeSubStringInResult, bool ignoreCase) const
Returns a section of the string starting from the last occurrence of a given substring.
void writeAll(const CharPointer src) noexcept
Copies a source string to this pointer, advancing this pointer as it goes.
std::atomic< Type > value
The std::atomic object that this class operates on.
String paddedRight(juce_wchar padCharacter, int minimumLength) const
Returns a copy of this string with the specified character repeatedly added to its end until the tota...
String trimEnd() const
Returns a copy of this string with any whitespace characters removed from the end.
static String repeatedString(StringRef stringToRepeat, int numberOfTimesToRepeat)
Creates a string which is a version of a string repeated and joined together.
bool equalsIgnoreCase(const String &other) const noexcept
Case-insensitive comparison with another string.
bool isWhitespace() const noexcept
Returns true if the first character of this string is whitespace.
String substring(int startIndex, int endIndex) const
Returns a subsection of the string.
juce_wchar toLowerCase() const noexcept
Returns a lower-case version of the first character of this string.
static juce_wchar getUnicodeCharFromWindows1252Codepage(uint8 windows1252Char) noexcept
Converts a byte of Windows 1252 codepage to unicode.
Wraps a pointer to a null-terminated UTF-32 character string, and provides various methods to operate...
bool containsAnyOf(StringRef charactersItMightContain) const noexcept
Looks for any of a set of characters in the string.
int indexOf(const CharPointer stringToFind) const noexcept
Returns the character index of a substring, or -1 if it isn't found.
String trimStart() const
Returns a copy of this string with any whitespace characters removed from the start.
String unquoted() const
Removes quotation marks from around the string, (if there are any).
bool contains(StringRef text) const noexcept
Tests whether the string contains another substring.
int compareIgnoreCase(const String &other) const noexcept
Case-insensitive comparison with another string.
int indexOfWholeWordIgnoreCase(StringRef wordToLookFor) const noexcept
Finds an instance of another substring if it exists as a distinct word.
int lastIndexOfAnyOf(StringRef charactersToLookFor, bool ignoreCase=false) const noexcept
Returns the index of the last character in this string that matches one of the characters passed-in t...
CharPointer_UTF32 toUTF32() const
Returns a pointer to a UTF-32 version of this string.
bool isEmpty() const noexcept
Returns true if the string is empty.
bool containsIgnoreCase(StringRef text) const noexcept
Tests whether the string contains another substring.
bool equals(const var &other) const noexcept
Returns true if this var has the same value as the one supplied.
void clear()
Removes all elements from the array.
juce_wchar getAndAdvance() noexcept
Returns the character that this pointer is currently pointing to, and then advances the pointer to po...
static String toHexString(IntegerType number)
Returns a string representing this numeric value in hexadecimal.
String upToLastOccurrenceOf(StringRef substringToFind, bool includeSubStringInResult, bool ignoreCase) const
Returns the start of this string, up to the last occurrence of a substring.
CharType * getAddress() const noexcept
Returns the address that this pointer is pointing to.
String trimCharactersAtStart(StringRef charactersToTrim) const
Returns a copy of this string, having removed a specified set of characters from its start...
static Type swapIfLittleEndian(Type value) noexcept
Swaps the byte order of a signed or unsigned integer if the CPU is little-endian. ...
int getTrailingIntValue() const noexcept
Parses a decimal number from the end of the string.
String replaceCharacter(juce_wchar characterToReplace, juce_wchar characterToInsertInstead) const
Returns a string with all occurrences of a character replaced with a different one.
int indexOf(StringRef textToLookFor) const noexcept
Searches for a substring within this string.
The base class for streams that write data to some kind of destination.
int compareIgnoreCase(const CharPointer other) const noexcept
Compares this string with another one.
size_t copyToUTF32(CharPointer_UTF32::CharType *destBuffer, size_t maxBufferSizeBytes) const noexcept
Copies the string to a buffer as UTF-32 characters.
String paddedLeft(juce_wchar padCharacter, int minimumLength) const
Returns a copy of this string with the specified character repeatedly added to its beginning until th...
double getDoubleValue() const noexcept
Parses this string as a floating point number.
CharPointer_UTF8 findTerminatingNull() const noexcept
Returns a pointer to the null character that terminates this string.
CharPointer_UTF8 CharPointerType
This is the character encoding type used internally to store the string.
bool containsWholeWord(StringRef wordToLookFor) const noexcept
Tests whether the string contains another substring as a distinct word.
void preallocateBytes(size_t numBytesNeeded)
Increases the string's internally allocated storage.
String replace(StringRef stringToReplace, StringRef stringToInsertInstead, bool ignoreCase=false) const
Replaces all occurrences of a substring with another string.
static juce_wchar toLowerCase(juce_wchar character) noexcept
Converts a character to lower-case.
bool isEmpty() const noexcept
Returns true if the string contains no characters.
String::CharPointerType text
The text that is referenced.
void set(const String &key, const String &value)
Adds or amends a key/value pair.
static bool isByteOrderMark(const void *possibleByteOrder) noexcept
Returns true if the first three bytes in this pointer are the UTF8 byte-order mark (BOM)...
String replaceFirstOccurrenceOf(StringRef stringToReplace, StringRef stringToInsertInstead, bool ignoreCase=false) const
Replaces the first occurrence of a substring with another string.
String joinIntoString(StringRef separatorString, int startIndex=0, int numberOfElements=-1) const
Joins the strings in the array together into one string.
String upToFirstOccurrenceOf(StringRef substringToEndWith, bool includeSubStringInResult, bool ignoreCase) const
Returns the start of this string, up to the first occurrence of a substring.
int indexOfWholeWord(StringRef wordToLookFor) const noexcept
Finds an instance of another substring if it exists as a distinct word.
void expect(bool testResult, const String &failureMessage=String())
Checks that the result of a test is true, and logs this result.
bool startsWithChar(juce_wchar character) const noexcept
Tests whether the string begins with a particular character.
size_t copyToUTF16(CharPointer_UTF16::CharType *destBuffer, size_t maxBufferSizeBytes) const noexcept
Copies the string to a buffer as UTF-16 characters.
Type get() const noexcept
Atomically reads and returns the current value.
static bool isByteOrderMarkLittleEndian(const void *possibleByteOrder) noexcept
Returns true if the first pair of bytes in this pointer are the UTF16 byte-order mark (little endian)...
bool matchesWildcard(StringRef wildcard, bool ignoreCase) const noexcept
Returns true if the string matches this simple wildcard expression.
void clear() noexcept
Resets this string to be empty.
int hashCode() const noexcept
Generates a probably-unique 32-bit hashcode from this string.
int getIntValue() const noexcept
Reads the value of the string as a decimal number (up to 32 bits in size).
Wraps a pointer to a null-terminated UTF-16 character string, and provides various methods to operate...
String toLowerCase() const
Returns an lower-case version of this string.
static String charToString(juce_wchar character)
Creates a string from a single character.
int lastIndexOfChar(juce_wchar character) const noexcept
Searches for a character inside this string (working backwards from the end of the string)...
int size() const noexcept
Returns the number of strings in the array.
static bool isByteOrderMarkBigEndian(const void *possibleByteOrder) noexcept
Returns true if the first pair of bytes in this pointer are the UTF16 byte-order mark (big endian)...
String & operator+=(const String &stringToAppend)
Appends another string at the end of this one.
int compare(const CharPointer other) const noexcept
Compares this string with another one.
int getReferenceCount() const noexcept
Returns the number of String objects which are currently sharing the same internal data as this one...
void writeNull() const noexcept
Writes a null character to this string (leaving the pointer's position unchanged).
CharPointer_UTF8 toUTF8() const
Returns a pointer to a UTF-8 version of this string.
A random number generator.
A container for holding a set of strings which are keyed by another string.
size_t hash() const noexcept
Generates a probably-unique hashcode from this string.
bool containsNonWhitespaceChars() const noexcept
Returns true if this string contains any non-whitespace characters.
int indexOfChar(juce_wchar characterToLookFor) const noexcept
Searches for a character inside this string.
int compare(const String &other) const noexcept
Case-sensitive comparison with another string.
String initialSectionContainingOnly(StringRef permittedCharacters) const
Returns a section from the start of the string that only contains a certain set of characters...
String trim() const
Returns a copy of this string with any whitespace characters removed from the start and end...
int length() const noexcept
Returns the number of characters in the string.
size_t getNumBytesAsUTF8() const noexcept
Returns the number of bytes required to represent this string as UTF8.
static String fromUTF8(const char *utf8buffer, int bufferSizeBytes=-1)
Creates a String from a UTF-8 encoded buffer.
bool endsWith(StringRef text) const noexcept
Tests whether the string ends with another string.
static bool isLetterOrDigit(char character) noexcept
Checks whether a character is alphabetic or numeric.
String quoted(juce_wchar quoteCharacter='"') const
Adds quotation marks around a string.
Parses a character string, to read a hexadecimal value.
void appendCharPointer(CharPointerType startOfTextToAppend, CharPointerType endOfTextToAppend)
Appends a string to the end of this one.
StringRef() noexcept
Creates a StringRef pointer to an empty string.
int indexOfIgnoreCase(StringRef textToLookFor) const noexcept
Searches for a substring within this string.
static int indexOfIgnoreCase(CharPointerType1 haystack, const CharPointerType2 needle) noexcept
Finds the character index of a given substring in another string, using a case-independent match...
bool startsWith(StringRef text) const noexcept
Tests whether the string begins with another string.
int getHexValue32() const noexcept
Parses the string as a hexadecimal number.
Wraps a pointer to a null-terminated UTF-8 character string, and provides various methods to operate ...
void write(const juce_wchar charToWrite) noexcept
Writes a unicode character to this string, and advances this pointer to point to the next position...