| // Copyright 2016 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef String16WTF_h |
| #define String16WTF_h |
| |
| #include "platform/Decimal.h" |
| #include "public/platform/WebString.h" |
| #include "wtf/text/StringBuilder.h" |
| #include "wtf/text/StringConcatenate.h" |
| #include "wtf/text/StringHash.h" |
| #include "wtf/text/StringToNumber.h" |
| #include "wtf/text/StringView.h" |
| #include "wtf/text/WTFString.h" |
| |
| namespace blink { |
| namespace protocol { |
| |
| class PLATFORM_EXPORT String16 : public String16Base<String16, UChar> { |
| public: |
| static const size_t kNotFound = WTF::kNotFound; |
| |
| String16() { } |
| String16(const String16& other) : m_impl(other.m_impl) { } |
| String16(const UChar* characters, unsigned length) : m_impl(characters, length) { } |
| String16(const char* characters) : String16(characters, strlen(characters)) { } |
| String16(const char* characters, size_t length) |
| { |
| UChar* data; |
| m_impl = WTF::String::createUninitialized(length, data); |
| for (size_t i = 0; i < length; ++i) |
| data[i] = characters[i]; |
| } |
| |
| ~String16() { } |
| |
| String16 isolatedCopy() const { return String16(m_impl.isolatedCopy()); } |
| const UChar* characters16() const { return m_impl.isEmpty() ? nullptr : m_impl.characters16(); } |
| size_t length() const { return m_impl.length(); } |
| bool isEmpty() const { return m_impl.isEmpty(); } |
| UChar operator[](unsigned index) const { return m_impl[index]; } |
| String16 substring(unsigned pos, unsigned len = UINT_MAX) const { return m_impl.substring(pos, len); } |
| size_t find(const String16& str, unsigned start = 0) const { return m_impl.find(str.impl(), start); } |
| size_t reverseFind(const String16& str, unsigned start = UINT_MAX) const { return m_impl.reverseFind(str.impl(), start); } |
| |
| // WTF convenience constructors and helper methods. |
| String16(const WebString& other) : String16(String(other)) { } |
| template<typename StringType1, typename StringType2> |
| String16(const WTF::StringAppend<StringType1, StringType2>& impl) : String16(String(impl)) { } |
| String16(const WTF::AtomicString& impl) : String16(String(impl)) { } |
| String16(const WTF::String& impl) : m_impl(impl) { m_impl.ensure16Bit(); } |
| String16(WTF::HashTableDeletedValueType) : m_impl(WTF::HashTableDeletedValue) { } |
| bool isHashTableDeletedValue() const { return m_impl.isHashTableDeletedValue(); } |
| operator WTF::String() const { return m_impl; } |
| operator WTF::StringView() const { return StringView(m_impl); } |
| operator WebString() { return m_impl; } |
| const WTF::String& impl() const { return m_impl; } |
| |
| private: |
| WTF::String m_impl; |
| }; |
| |
| inline bool operator==(const String16& a, const String16& b) { return a.impl() == b.impl(); } |
| inline bool operator!=(const String16& a, const String16& b) { return a.impl() != b.impl(); } |
| inline bool operator==(const String16& a, const char* b) { return a.impl() == b; } |
| inline String16 operator+(const String16& a, const char* b) { return String16(a.impl() + b); } |
| inline String16 operator+(const char* a, const String16& b) { return String16(a + b.impl()); } |
| inline String16 operator+(const String16& a, const String16& b) { return String16(a.impl() + b.impl()); } |
| |
| } // namespace protocol |
| } // namespace blink |
| |
| namespace std { |
| template<> struct hash<blink::protocol::String16> { |
| std::size_t operator()(const blink::protocol::String16& string) const |
| { |
| return StringHash::hash(string.impl()); |
| } |
| }; |
| } // namespace std |
| |
| using InspectorProtocolConvenienceStringType = WTF::String; |
| |
| // WTF helpers below this line. |
| |
| namespace WTF { |
| |
| struct String16Hash { |
| static unsigned hash(const blink::protocol::String16& key) { return StringHash::hash(key.impl()); } |
| static bool equal(const blink::protocol::String16& a, const blink::protocol::String16& b) |
| { |
| return StringHash::equal(a.impl(), b.impl()); |
| } |
| static const bool safeToCompareToEmptyOrDeleted = false; |
| }; |
| |
| template<typename T> struct DefaultHash; |
| template<> struct DefaultHash<blink::protocol::String16> { |
| typedef String16Hash Hash; |
| }; |
| |
| template<> |
| struct HashTraits<blink::protocol::String16> : SimpleClassHashTraits<blink::protocol::String16> { |
| static const bool hasIsEmptyValueFunction = true; |
| static bool isEmptyValue(const blink::protocol::String16& a) { return a.impl().isNull(); } |
| }; |
| |
| } // namespace WTF |
| |
| #endif // !defined(String16WTF_h) |