[DevTools] Generate separate copies of inspector_protocol.

third_party/WebKit/Source/platform/inspector_protocol/Parser_cpp.template

 // 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.
 
-namespace blink {
-namespace protocol {
+{% for namespace in config.protocol.namespace %}
+namespace {{namespace}} {
+{% endfor %}
 
 namespace {
 
 const int stackLimit = 1000;
 
 enum Token {
     ObjectBegin,
     ObjectEnd,
     ArrayBegin,
     ArrayEnd,
     StringLiteral,
     Number,
     BoolTrue,
     BoolFalse,
     NullToken,
     ListSeparator,
     ObjectPairSeparator,
     InvalidToken,
 };
 
 const char* const nullString = "null";
 const char* const trueString = "true";
 const char* const falseString = "false";
 
+bool isASCII(UChar c)
+{
+    return !(c & ~0x7F);
+}
+
+bool isSpaceOrNewLine(UChar c)
+{
+    return isASCII(c) && c <= ' ' && (c == ' ' || (c <= 0xD && c >= 0x9));
+}
+
+double charactersToDouble(const UChar* characters, size_t length, bool* ok)
+{
+    std::vector<char> buffer;
+    buffer.reserve(length + 1);
+    for (size_t i = 0; i < length; ++i) {
+        if (!isASCII(characters[i])) {
+            *ok = false;
+            return 0;
+        }
+        buffer.push_back(static_cast<char>(characters[i]));
+    }
+    buffer.push_back('\0');
+
+    char* endptr;
+    double result = std::strtod(buffer.data(), &endptr);
+    *ok = !(*endptr);
+    return result;
+}
+
 bool parseConstToken(const UChar* start, const UChar* end, const UChar** tokenEnd, const char* token)
 {
     while (start < end && *token != '\0' && *start++ == *token++) { }
     if (*token != '\0')
         return false;
     *tokenEnd = start;
     return true;
 }
 
 bool readInt(const UChar* start, const UChar* end, const UChar** tokenEnd, bool canHaveLeadingZeros)
@@ skipping 147 matching lines @@
         // Block comment must close before end-of-input.
         return false;
     }
 
     return false;
 }
 
 void skipWhitespaceAndComments(const UChar* start, const UChar* end, const UChar** whitespaceEnd)
 {
     while (start < end) {
-        if (String16::isSpaceOrNewLine(*start)) {
+        if (isSpaceOrNewLine(*start)) {
             ++start;
         } else if (*start == '/') {
             const UChar* commentEnd;
             if (!skipComment(start, end, &commentEnd))
                 break;
             start = commentEnd;
         } else {
             break;
         }
     }
@@ skipping 66 matching lines @@
     if ('0' <= c && c <= '9')
         return c - '0';
     if ('A' <= c && c <= 'F')
         return c - 'A' + 10;
     if ('a' <= c && c <= 'f')
         return c - 'a' + 10;
     NOTREACHED();
     return 0;
 }
 
-bool decodeString(const UChar* start, const UChar* end, String16Builder* output)
+bool decodeString(const UChar* start, const UChar* end, StringBuilder* output)
 {
     while (start < end) {
         UChar c = *start++;
         if ('\\' != c) {
             output->append(c);
             continue;
         }
         c = *start++;
 
         if (c == 'x') {
@@ skipping 32 matching lines @@
             start += 4;
             break;
         default:
             return false;
         }
         output->append(c);
     }
     return true;
 }
 
-bool decodeString(const UChar* start, const UChar* end, String16* output)
+bool decodeString(const UChar* start, const UChar* end, String* output)
 {
     if (start == end) {
         *output = "";
         return true;
     }
     if (start > end)
         return false;
-    String16Builder buffer;
-    buffer.reserveCapacity(end - start);
+    StringBuilder buffer;
+    StringUtil::builderReserve(buffer, end - start);
     if (!decodeString(start, end, &buffer))
         return false;
     *output = buffer.toString();
     return true;
 }
 
 std::unique_ptr<Value> buildValue(const UChar* start, const UChar* end, const UChar** valueTokenEnd, int depth)
 {
     if (depth > stackLimit)
         return nullptr;
 
     std::unique_ptr<Value> result;
     const UChar* tokenStart;
     const UChar* tokenEnd;
     Token token = parseToken(start, end, &tokenStart, &tokenEnd);
     switch (token) {
     case InvalidToken:
         return nullptr;
     case NullToken:
         result = Value::null();
         break;
     case BoolTrue:
         result = FundamentalValue::create(true);
         break;
     case BoolFalse:
         result = FundamentalValue::create(false);
         break;
     case Number: {
         bool ok;
-        double value = String16::charactersToDouble(tokenStart, tokenEnd - tokenStart, &ok);
+        double value = charactersToDouble(tokenStart, tokenEnd - tokenStart, &ok);
         if (!ok)
             return nullptr;
         int number = static_cast<int>(value);
         if (number == value)
             result = FundamentalValue::create(number);
         else
             result = FundamentalValue::create(value);
         break;
     }
     case StringLiteral: {
-        String16 value;
+        String value;
         bool ok = decodeString(tokenStart + 1, tokenEnd - 1, &value);
         if (!ok)
             return nullptr;
         result = StringValue::create(value);
         break;
     }
     case ArrayBegin: {
         std::unique_ptr<ListValue> array = ListValue::create();
         start = tokenEnd;
         token = parseToken(start, end, &tokenStart, &tokenEnd);
@@ skipping 21 matching lines @@
         result = std::move(array);
         break;
     }
     case ObjectBegin: {
         std::unique_ptr<DictionaryValue> object = DictionaryValue::create();
         start = tokenEnd;
         token = parseToken(start, end, &tokenStart, &tokenEnd);
         while (token != ObjectEnd) {
             if (token != StringLiteral)
                 return nullptr;
-            String16 key;
+            String key;
             if (!decodeString(tokenStart + 1, tokenEnd - 1, &key))
                 return nullptr;
             start = tokenEnd;
 
             token = parseToken(start, end, &tokenStart, &tokenEnd);
             if (token != ObjectPairSeparator)
                 return nullptr;
             start = tokenEnd;
 
             std::unique_ptr<Value> value = buildValue(start, end, &tokenEnd, depth + 1);
@@ skipping 35 matching lines @@
     const UChar* end = start + length;
     const UChar *tokenEnd;
     std::unique_ptr<Value> value = buildValue(start, end, &tokenEnd, 0);
     if (!value || tokenEnd != end)
         return nullptr;
     return value;
 }
 
 } // anonymous namespace
 
-std::unique_ptr<Value> parseJSON(const String16& json)
+std::unique_ptr<Value> parseJSON(const String& json)
 {
-    if (json.isEmpty())
+    const UChar* characters = nullptr;
+    size_t length = 0;
+    StringUtil::toCharacters(json, &characters, &length);
+    if (!length)
         return nullptr;
-    return parseJSONInternal(json.characters16(), json.length());
+    return parseJSONInternal(characters, length);
 }
 
-} // namespace protocol
-} // namespace blink
+{% for namespace in config.protocol.namespace %}
+} // namespace {{namespace}}
+{% endfor %}