diff options
Diffstat (limited to 'WebCore/platform/text/PlatformString.h')
-rw-r--r-- | WebCore/platform/text/PlatformString.h | 150 |
1 files changed, 128 insertions, 22 deletions
diff --git a/WebCore/platform/text/PlatformString.h b/WebCore/platform/text/PlatformString.h index f900513..73a44bd 100644 --- a/WebCore/platform/text/PlatformString.h +++ b/WebCore/platform/text/PlatformString.h @@ -27,23 +27,34 @@ #include "StringImpl.h" -#if PLATFORM(CF) +#include <wtf/PassRefPtr.h> + +#if USE(JSC) +#include <kjs/identifier.h> +#else +// kjs/identifier.h includes HashMap.h. We explicitly include it in the case of +// non-JSC builds to keep things consistent. +#include <wtf/HashMap.h> +#endif + +#if PLATFORM(CF) || (PLATFORM(QT) && PLATFORM(DARWIN)) typedef const struct __CFString * CFStringRef; #endif #if PLATFORM(QT) +QT_BEGIN_NAMESPACE class QString; +QT_END_NAMESPACE #endif #if PLATFORM(WX) class wxString; #endif - namespace WebCore { class CString; -class DeprecatedString; +class SharedBuffer; struct StringHash; class String { @@ -51,19 +62,28 @@ public: String() { } // gives null string, distinguishable from an empty string String(const UChar*, unsigned length); String(const UChar*); // Specifically for null terminated UTF-16 - String(const KJS::Identifier&); - String(const KJS::UString&); +#if USE(JSC) + String(const JSC::Identifier&); + String(const JSC::UString&); +#endif String(const char*); String(const char*, unsigned length); String(StringImpl* i) : m_impl(i) { } String(PassRefPtr<StringImpl> i) : m_impl(i) { } String(RefPtr<StringImpl> i) : m_impl(i) { } + void swap(String& o) { m_impl.swap(o.m_impl); } + + // Hash table deleted values, which are only constructed and never copied or destroyed. + String(WTF::HashTableDeletedValueType) : m_impl(WTF::HashTableDeletedValue) { } + bool isHashTableDeletedValue() const { return m_impl.isHashTableDeletedValue(); } + static String adopt(StringBuffer& buffer) { return StringImpl::adopt(buffer); } static String adopt(Vector<UChar>& vector) { return StringImpl::adopt(vector); } - operator KJS::Identifier() const; - operator KJS::UString() const; +#if USE(JSC) + operator JSC::UString() const; +#endif unsigned length() const; const UChar* characters() const; @@ -132,17 +152,24 @@ public: static String format(const char *, ...) WTF_ATTRIBUTE_PRINTF(1, 2); - Vector<String> split(const String& separator, bool allowEmptyEntries = false) const; - Vector<String> split(UChar separator, bool allowEmptyEntries = false) const; + void split(const String& separator, Vector<String>& result) const; + void split(const String& separator, bool allowEmptyEntries, Vector<String>& result) const; + void split(UChar separator, Vector<String>& result) const; + void split(UChar separator, bool allowEmptyEntries, Vector<String>& result) const; + + int toIntStrict(bool* ok = 0, int base = 10) const; + unsigned toUIntStrict(bool* ok = 0, int base = 10) const; + int64_t toInt64Strict(bool* ok = 0, int base = 10) const; + uint64_t toUInt64Strict(bool* ok = 0, int base = 10) const; int toInt(bool* ok = 0) const; + unsigned toUInt(bool* ok = 0) const; int64_t toInt64(bool* ok = 0) const; uint64_t toUInt64(bool* ok = 0) const; double toDouble(bool* ok = 0) const; float toFloat(bool* ok = 0) const; - Length* toLengthArray(int& len) const; - Length* toCoordsArray(int& len) const; - bool percentage(int &_percentage) const; + + bool percentage(int& percentage) const; // Makes a deep copy. Helpful only if you need to use a String on another thread. // Since the underlying StringImpl objects are immutable, there's no other reason @@ -154,7 +181,7 @@ public: StringImpl* impl() const { return m_impl.get(); } -#if PLATFORM(CF) +#if PLATFORM(CF) || (PLATFORM(QT) && PLATFORM(DARWIN)) String(CFStringRef); CFStringRef createCFString() const; #endif @@ -196,10 +223,7 @@ public: // Determines the writing direction using the Unicode Bidi Algorithm rules P2 and P3. WTF::Unicode::Direction defaultWritingDirection() const { return m_impl ? m_impl->defaultWritingDirection() : WTF::Unicode::LeftToRight; } - - String(const DeprecatedString&); - DeprecatedString deprecatedString() const; - + private: RefPtr<StringImpl> m_impl; }; @@ -222,13 +246,30 @@ inline bool equalIgnoringCase(const String& a, const String& b) { return equalIg inline bool equalIgnoringCase(const String& a, const char* b) { return equalIgnoringCase(a.impl(), b); } inline bool equalIgnoringCase(const char* a, const String& b) { return equalIgnoringCase(a, b.impl()); } -bool operator==(const String& a, const DeprecatedString& b); -inline bool operator==(const DeprecatedString& b, const String& a) { return a == b; } -inline bool operator!=(const String& a, const DeprecatedString& b) { return !(a == b); } -inline bool operator!=(const DeprecatedString& b, const String& a ) { return !(a == b); } - inline bool operator!(const String& str) { return str.isNull(); } +inline void swap(String& a, String& b) { a.swap(b); } + +// String Operations + +bool charactersAreAllASCII(const UChar*, size_t); + +int charactersToIntStrict(const UChar*, size_t, bool* ok = 0, int base = 10); +unsigned charactersToUIntStrict(const UChar*, size_t, bool* ok = 0, int base = 10); +int64_t charactersToInt64Strict(const UChar*, size_t, bool* ok = 0, int base = 10); +uint64_t charactersToUInt64Strict(const UChar*, size_t, bool* ok = 0, int base = 10); + +int charactersToInt(const UChar*, size_t, bool* ok = 0); // ignores trailing garbage +unsigned charactersToUInt(const UChar*, size_t, bool* ok = 0); // ignores trailing garbage +int64_t charactersToInt64(const UChar*, size_t, bool* ok = 0); // ignores trailing garbage +uint64_t charactersToUInt64(const UChar*, size_t, bool* ok = 0); // ignores trailing garbage + +double charactersToDouble(const UChar*, size_t, bool* ok = 0); +float charactersToFloat(const UChar*, size_t, bool* ok = 0); + +int find(const UChar*, size_t, UChar, int startPosition = 0); +int reverseFind(const UChar*, size_t, UChar, int startPosition = -1); + #ifdef __OBJC__ // This is for situations in WebKit where the long standing behavior has been // "nil if empty", so we try to maintain longstanding behavior for the sake of @@ -236,8 +277,73 @@ inline bool operator!(const String& str) { return str.isNull(); } inline NSString* nsStringNilIfEmpty(const String& str) { return str.isEmpty() ? nil : (NSString*)str; } #endif +inline bool charactersAreAllASCII(const UChar* characters, size_t length) +{ + UChar ored = 0; + for (size_t i = 0; i < length; ++i) + ored |= characters[i]; + return !(ored & 0xFF80); } +inline int find(const UChar* characters, size_t length, UChar character, int startPosition) +{ + if (startPosition >= static_cast<int>(length)) + return -1; + for (size_t i = startPosition; i < length; ++i) { + if (characters[i] == character) + return static_cast<int>(i); + } + return -1; +} + +inline int reverseFind(const UChar* characters, size_t length, UChar character, int startPosition) +{ + if (startPosition >= static_cast<int>(length) || !length) + return -1; + if (startPosition < 0) + startPosition += static_cast<int>(length); + while (true) { + if (characters[startPosition] == character) + return startPosition; + if (!startPosition) + return -1; + startPosition--; + } + ASSERT_NOT_REACHED(); + return -1; +} + +inline void append(Vector<UChar>& vector, const String& string) +{ + vector.append(string.characters(), string.length()); +} + +inline void appendNumber(Vector<UChar>& vector, unsigned char number) +{ + int numberLength = number > 99 ? 3 : (number > 9 ? 2 : 1); + size_t vectorSize = vector.size(); + vector.grow(vectorSize + numberLength); + + switch (numberLength) { + case 3: + vector[vectorSize + 2] = number % 10 + '0'; + number /= 10; + + case 2: + vector[vectorSize + 1] = number % 10 + '0'; + number /= 10; + + case 1: + vector[vectorSize] = number % 10 + '0'; + } +} + + + +PassRefPtr<SharedBuffer> utf8Buffer(const String&); + +} // namespace WebCore + namespace WTF { // StringHash is the default hash for String |