DevTools: generate string16-based handlers for v8_inspector.

third_party/WebKit/Source/platform/inspector_protocol/String16WTF.h

+// 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/UTF8.h"
+#include "wtf/text/WTFString.h"
+
+namespace blink {
+namespace protocol {
+
+class String16 {
+public:
+    String16() { }
+    String16(const String16& other) : m_impl(other.m_impl) { }
+    String16(const UChar* u, unsigned length) : m_impl(u, length) { }
+    String16(const char* characters) : m_impl(characters) { }
+    String16(const char* characters, size_t size) : m_impl(characters, size) { }
+    String16(const WebString& other) : m_impl(other) { }
+    template<typename StringType1, typename StringType2>
+    String16(const WTF::StringAppend<StringType1, StringType2>& impl) : m_impl(impl) { }
+    ~String16() { }
+
+    // Integration constructors.
+    String16(const WTF::String& impl) : m_impl(impl) { }
+    String16(const WTF::AtomicString& impl) : m_impl(impl) { }
+    String16(WTF::HashTableDeletedValueType) : m_impl(WTF::HashTableDeletedValue) { }
+
+    static String16 fromUTF8(const char* characters, size_t length) { return String::fromUTF8(characters, length); }
+    static String16 number(int i) { return String::number(i); }
+    static String16 fromDouble(double number) { return Decimal::fromDouble(number).toString(); }
+    static String16 createUninitialized(unsigned length, UChar*& data) { return String::createUninitialized(length, data); }
+    static bool codePointCompareLessThan(const String16& a, const String16& b)
+    {
+        return codePointCompare(a.impl(), b.impl()) < 0;
+    }
+
+    typedef enum {
+        conversionOK,
+        sourceExhausted,
+        targetExhausted,
+        sourceIllegal
+    } ConversionResult;
+
+    static ConversionResult convertUTF8ToUTF16(const char** sourceStart, const char* sourceEnd, UChar** targetStart, UChar* targetEnd, bool* isSourceAllASCII = 0, bool strict = true)
+    {
+        return static_cast<ConversionResult>(WTF::Unicode::convertUTF8ToUTF16(sourceStart, sourceEnd, targetStart, targetEnd, isSourceAllASCII, strict));
+    }
+
+    bool validateUTF8()
+    {
+        return !m_impl.utf8(StrictUTF8Conversion).isNull();
+    }
+
+    size_t length() const { return m_impl.length(); }
+    bool isEmpty() const { return m_impl.isEmpty(); }
+    bool isNull() const { return m_impl.isNull(); }
+    UChar operator[](unsigned index) const { return m_impl[index]; }
+
+    bool is8Bit() const { return m_impl.is8Bit(); }
+    unsigned sizeInBytes() const { return m_impl.sizeInBytes(); }
+    const LChar* characters8() const { return m_impl.characters8(); }
+    const UChar* characters16() const { return m_impl.characters16(); }
+    String16 latin1Data()
+    {
+        CString latin1 = m_impl.latin1();
+        // Include terminating zero.
+        return String16(latin1.data(), latin1.length() + 1);
+    }
+
+    operator WTF::String() const { return m_impl; }
+    operator WebString() const { return m_impl; }
+    WTF::String impl() const { return m_impl; }
+
+    static double charactersToDouble(const LChar* characters, size_t length, bool* ok = 0) { return ::charactersToDouble(characters, length, ok); }
+    static double charactersToDouble(const UChar* characters, size_t length, bool* ok = 0) { return ::charactersToDouble(characters, length, ok); }
+
+    String16 substring(unsigned pos, unsigned len = UINT_MAX) const { return m_impl.substring(pos, len); }
+    String16 left(unsigned len) const { return m_impl.substring(0, len); }
+    String16 stripWhiteSpace() const { return m_impl.stripWhiteSpace(); }
+
+    int toInt(bool* ok = 0) const { return m_impl.toInt(ok); }
+    unsigned toUInt(bool* ok = 0) const { return m_impl.toUInt(ok); }
+
+    size_t find(UChar c, unsigned start = 0) const { return m_impl.find(c, start); }
+    size_t find(const String16& str) const  { return m_impl.find(str.impl()); }
+    size_t find(const String16& str, unsigned start) 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); }
+
+    void append(const String16& str) { m_impl.append(str); };
+    bool isHashTableDeletedValue() const { return m_impl.isHashTableDeletedValue(); }
+
+    bool startWith(const String16& s) const { return m_impl.startsWith(s); }
+    bool startWith(UChar character) const { return m_impl.startsWith(character); }
+    bool endsWith(const String16& s) const { return m_impl.endsWith(s); }
+    bool endsWith(UChar character) const { return m_impl.endsWith(character); }
+
+private:
+    WTF::String m_impl;
+};
+
+class String16Builder {
+public:
+    String16Builder() { }
+    void append(const String16& str) { m_impl.append(str); };
+    void append(UChar c) { m_impl.append(c); };
+    void append(LChar c) { m_impl.append(c); };
+    void append(char c) { m_impl.append(c); };
+    void append(const UChar* c, size_t size) { m_impl.append(c, size); };
+    void append(const char* characters, unsigned length) { m_impl.append(characters, length); }
+    void appendNumber(int number) { m_impl.appendNumber(number); }
+    String16 toString() { return m_impl.toString(); }
+    void reserveCapacity(unsigned newCapacity) { m_impl.reserveCapacity(newCapacity); }
+
+private:
+    WTF::StringBuilder 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 String(a.impl() + b);
+}
+
+inline String16 operator+(const char* a, const String16& b)
+{
+    return String(a + b.impl());
+}
+
+inline String16 operator+(const String16& a, const String16& b)
+{
+    return String(a.impl() + b.impl());
+}
+
+} // namespace protocol
+} // namespace blink
+
+using String16 = blink::protocol::String16;
+using String16Builder = blink::protocol::String16Builder;
+
+namespace WTF {
+
+struct String16Hash {
+    static unsigned hash(const String16& key) { return StringHash::hash(key.impl()); }
+    static bool equal(const String16& a, const String16& b)
+    {
+        return StringHash::equal(a.impl(), b.impl());
+    }
+    static const bool safeToCompareToEmptyOrDeleted = false;
+};
+
+template<typename T> struct DefaultHash;
+template<> struct DefaultHash<String16> {
+    typedef String16Hash Hash;
+};
+
+template<>
+struct HashTraits<String16> : SimpleClassHashTraits<String16> {
+    static const bool hasIsEmptyValueFunction = true;
+    static bool isEmptyValue(const String16& a) { return a.isNull(); }
+};
+
+} // namespace WTF
+
+#endif // !defined(String16WTF_h)