DevTools: update V8Inspector to work with the new v8_inspector API.

third_party/WebKit/Source/platform/inspector_protocol/String16STL.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 String16STL_h
 #define String16STL_h
 
+#include <cstdlib>
 #include <cstring>
+#include <stdint.h>
 #include <string>
 #include <vector>
 
 using UChar = uint16_t;
 using UChar32 = uint32_t;
 using LChar = unsigned char;
 // presubmit: allow wstring
 using wstring = std::basic_string<UChar>;
 const size_t kNotFound = static_cast<size_t>(-1);
 
 namespace blink {
 namespace protocol {
 
 class String16 {
 public:
     String16() { }
     String16(const String16& other) : m_impl(other.m_impl) { }
     // presubmit: allow wstring
     String16(const wstring& impl) : m_impl(impl) { }
     String16(const UChar* characters) : m_impl(characters) { }
     String16(const char* characters) : String16(characters, std::strlen(characters)) { }
     String16(const char* characters, size_t size)
     {
         m_impl.resize(size);
         for (size_t i = 0; i < size; ++i)
             m_impl[i] = characters[i];
     }
     String16(const UChar* characters, size_t size) : m_impl(characters, size) { }
     String16 isolatedCopy() const { return String16(m_impl); }
-    ~String16() { }
 
     unsigned sizeInBytes() const { return m_impl.size() * sizeof(UChar); }
     const UChar* characters16() const { return m_impl.c_str(); }
     std::string utf8() const;
-    static String16 number(int i) { return String16(std::to_string(i).c_str()); }
-    static String16 fromDouble(double d) { return String16(std::to_string(d).c_str()); }
-    static String16 fromDoubleFixedPrecision(double d, int len) { return String16(std::to_string(d).c_str()); }
+    static String16 fromUTF8(const char* stringStart, size_t length);
+    static String16 number(int i) { return String16(String16::intToString(i).c_str()); }
+    static String16 fromDouble(double d) { return String16(String16::doubleToString(d).c_str()); }
+    static String16 fromDoubleFixedPrecision(double d, int len) { return String16(String16::doubleToString(d).c_str()); }
 
     static double charactersToDouble(const UChar* characters, size_t length, bool* ok = 0)
     {
-        size_t idx;
         std::string str;
         str.resize(length);
         for (size_t i = 0; i < length; ++i)
             str[i] = static_cast<char>(characters[i]);
-        double result = stod(str, &idx);
+
+        const char* buffer = str.c_str();
+        char* endptr;
+        double result = strtod(buffer, &endptr);
         if (ok)
-            *ok = idx == length;
+            *ok = buffer + length == endptr;
         return result;
     }
 
     String16 substring(unsigned pos, unsigned len = 0xFFFFFFFF) const
     {
         return String16(m_impl.substr(pos, len));
     }
 
     String16 stripWhiteSpace() const;
 
     int toInt(bool* ok = 0) const
     {
         size_t length = m_impl.length();
-        size_t idx;
         std::string str;
         str.resize(length);
         for (size_t i = 0; i < length; ++i)
             str[i] = static_cast<char>(m_impl[i]);
-        int result = stoi(str, &idx);
+
+        const char* buffer = str.c_str();
+        char* endptr;
+        int result = strtol(buffer, &endptr, 10);
         if (ok)
-            *ok = idx == length;
+            *ok = buffer + length == endptr;
         return result;
     }
 
     size_t length() const { return m_impl.length(); }
     bool isEmpty() const { return !m_impl.length(); }
     UChar operator[](unsigned index) const { return m_impl[index]; }
 
     size_t find(UChar c, unsigned start = 0) const
     {
         return m_impl.find(c, start);
     }
 
     size_t find(const String16& str, unsigned start = 0) const
     {
         return m_impl.find(str.m_impl, start);
     }
 
     size_t reverseFind(const String16& str, unsigned start = 0xFFFFFFFF) const
     {
         return m_impl.rfind(str.m_impl, start);
     }
 
+    bool startWith(const String16& s) const
+    {
+        if (m_impl.length() < s.m_impl.length())
+            return false;
+        return m_impl.substr(0, s.m_impl.length()) == s.m_impl;
+    }
+
     bool endsWith(UChar character) const
     {
         return m_impl.length() && m_impl[m_impl.length() - 1] == character;
     }
 
     // presubmit: allow wstring
     const wstring& impl() const { return m_impl; }
 
     std::size_t hash() const
     {
         if (!has_hash) {
             size_t hash = 0;
             for (size_t i = 0; i < length(); ++i)
                 hash = 31 * hash + m_impl[i];
             hash_code = hash;
             has_hash = true;
         }
         return hash_code;
     }
 
 private:
+    static std::string intToString(int);
+    static std::string doubleToString(double);
     // presubmit: allow wstring
     wstring m_impl;
     mutable bool has_hash = false;
     mutable std::size_t hash_code;
 };
 
 static inline bool isSpaceOrNewline(UChar c)
 {
     return false;
 }
@@ skipping 17 matching lines @@
         m_impl += c;
     }
 
     void append(char c)
     {
         m_impl += c;
     }
 
     void appendNumber(int i)
     {
-        m_impl = m_impl + String16(std::to_string(i).c_str()).impl();
+        m_impl = m_impl + String16::number(i).impl();
     }
 
     void append(const UChar* c, size_t length)
     {
         // presubmit: allow wstring
         m_impl += wstring(c, length);
     }
 
     void append(const char* c, size_t length)
     {
@@ skipping 10 matching lines @@
     }
 
 private:
     // presubmit: allow wstring
     wstring 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() == String16(b).impl(); }
+inline bool operator<(const String16& a, const String16& b) { return a.impl() < b.impl(); }
 
 inline String16 operator+(const String16& a, const char* b)
 {
     return String16(a.impl() + String16(b).impl());
 }
 
 inline String16 operator+(const char* a, const String16& b)
 {
     return String16(String16(a).impl() + b.impl());
 }
@@ skipping 18 matching lines @@
 class String {
 public:
     String() {};
     String(const String16& other) {};
     operator String16() const { return String16(); };
 };
 } // namespace WTF
 
 using String = WTF::String;
 
-namespace std {
-template<>
-struct hash<String16> {
-std::size_t operator()(const String16& k) const
-{
-    return k.hash();
-}
-};
-}
-
 #endif // !defined(String16STL_h)