Move JSONValues.cpp/.h to Source/platform/

Source/core/platform/JSONValues.cpp

Index: Source/core/platform/JSONValues.cpp
diff --git a/Source/core/platform/JSONValues.cpp b/Source/core/platform/JSONValues.cpp
deleted file mode 100644
index 667beddb20c9db9eaf1f437ba70a12e23f9cadf7..0000000000000000000000000000000000000000
--- a/Source/core/platform/JSONValues.cpp
+++ /dev/null
@@ -1,386 +0,0 @@
-/*
- * Copyright (C) 2010 Google Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-#include "core/platform/JSONValues.h"
-
-#include "wtf/DecimalNumber.h"
-#include "wtf/dtoa.h"
-#include "wtf/text/StringBuilder.h"
-
-namespace WebCore {
-
-namespace {
-
-const char* const nullString = "null";
-const char* const trueString = "true";
-const char* const falseString = "false";
-
-inline bool escapeChar(UChar c, StringBuilder* dst)
-{
-    switch (c) {
-    case '\b': dst->append("\\b", 2); break;
-    case '\f': dst->append("\\f", 2); break;
-    case '\n': dst->append("\\n", 2); break;
-    case '\r': dst->append("\\r", 2); break;
-    case '\t': dst->append("\\t", 2); break;
-    case '\\': dst->append("\\\\", 2); break;
-    case '"': dst->append("\\\"", 2); break;
-    default:
-        return false;
-    }
-    return true;
-}
-
-inline void doubleQuoteString(const String& str, StringBuilder* dst)
-{
-    dst->append('"');
-    for (unsigned i = 0; i < str.length(); ++i) {
-        UChar c = str[i];
-        if (!escapeChar(c, dst)) {
-            if (c < 32 || c > 126 || c == '<' || c == '>') {
-                // 1. Escaping <, > to prevent script execution.
-                // 2. Technically, we could also pass through c > 126 as UTF8, but this
-                //    is also optional. It would also be a pain to implement here.
-                unsigned symbol = static_cast<unsigned>(c);
-                String symbolCode = String::format("\\u%04X", symbol);
-                dst->append(symbolCode);
-            } else {
-                dst->append(c);
-            }
-        }
-    }
-    dst->append('"');
-}
-
-} // anonymous namespace
-
-bool JSONValue::asBoolean(bool*) const
-{
-    return false;
-}
-
-bool JSONValue::asNumber(double*) const
-{
-    return false;
-}
-
-bool JSONValue::asNumber(long*) const
-{
-    return false;
-}
-
-bool JSONValue::asNumber(int*) const
-{
-    return false;
-}
-
-bool JSONValue::asNumber(unsigned long*) const
-{
-    return false;
-}
-
-bool JSONValue::asNumber(unsigned*) const
-{
-    return false;
-}
-
-bool JSONValue::asString(String*) const
-{
-    return false;
-}
-
-bool JSONValue::asValue(RefPtr<JSONValue>* output)
-{
-    *output = this;
-    return true;
-}
-
-bool JSONValue::asObject(RefPtr<JSONObject>*)
-{
-    return false;
-}
-
-bool JSONValue::asArray(RefPtr<JSONArray>*)
-{
-    return false;
-}
-
-PassRefPtr<JSONObject> JSONValue::asObject()
-{
-    return 0;
-}
-
-PassRefPtr<JSONArray> JSONValue::asArray()
-{
-    return 0;
-}
-
-String JSONValue::toJSONString() const
-{
-    StringBuilder result;
-    result.reserveCapacity(512);
-    writeJSON(&result);
-    return result.toString();
-}
-
-void JSONValue::writeJSON(StringBuilder* output) const
-{
-    ASSERT(m_type == TypeNull);
-    output->append(nullString, 4);
-}
-
-bool JSONBasicValue::asBoolean(bool* output) const
-{
-    if (type() != TypeBoolean)
-        return false;
-    *output = m_boolValue;
-    return true;
-}
-
-bool JSONBasicValue::asNumber(double* output) const
-{
-    if (type() != TypeNumber)
-        return false;
-    *output = m_doubleValue;
-    return true;
-}
-
-bool JSONBasicValue::asNumber(long* output) const
-{
-    if (type() != TypeNumber)
-        return false;
-    *output = static_cast<long>(m_doubleValue);
-    return true;
-}
-
-bool JSONBasicValue::asNumber(int* output) const
-{
-    if (type() != TypeNumber)
-        return false;
-    *output = static_cast<int>(m_doubleValue);
-    return true;
-}
-
-bool JSONBasicValue::asNumber(unsigned long* output) const
-{
-    if (type() != TypeNumber)
-        return false;
-    *output = static_cast<unsigned long>(m_doubleValue);
-    return true;
-}
-
-bool JSONBasicValue::asNumber(unsigned* output) const
-{
-    if (type() != TypeNumber)
-        return false;
-    *output = static_cast<unsigned>(m_doubleValue);
-    return true;
-}
-
-void JSONBasicValue::writeJSON(StringBuilder* output) const
-{
-    ASSERT(type() == TypeBoolean || type() == TypeNumber);
-    if (type() == TypeBoolean) {
-        if (m_boolValue)
-            output->append(trueString, 4);
-        else
-            output->append(falseString, 5);
-    } else if (type() == TypeNumber) {
-        NumberToLStringBuffer buffer;
-        if (!std::isfinite(m_doubleValue)) {
-            output->append(nullString, 4);
-            return;
-        }
-        DecimalNumber decimal = m_doubleValue;
-        unsigned length = 0;
-        if (decimal.bufferLengthForStringDecimal() > WTF::NumberToStringBufferLength) {
-            // Not enough room for decimal. Use exponential format.
-            if (decimal.bufferLengthForStringExponential() > WTF::NumberToStringBufferLength) {
-                // Fallback for an abnormal case if it's too little even for exponential.
-                output->append("NaN", 3);
-                return;
-            }
-            length = decimal.toStringExponential(buffer, WTF::NumberToStringBufferLength);
-        } else {
-            length = decimal.toStringDecimal(buffer, WTF::NumberToStringBufferLength);
-        }
-        output->append(buffer, length);
-    }
-}
-
-bool JSONString::asString(String* output) const
-{
-    *output = m_stringValue;
-    return true;
-}
-
-void JSONString::writeJSON(StringBuilder* output) const
-{
-    ASSERT(type() == TypeString);
-    doubleQuoteString(m_stringValue, output);
-}
-
-JSONObjectBase::~JSONObjectBase()
-{
-}
-
-bool JSONObjectBase::asObject(RefPtr<JSONObject>* output)
-{
-    COMPILE_ASSERT(sizeof(JSONObject) == sizeof(JSONObjectBase), cannot_cast);
-    *output = static_cast<JSONObject*>(this);
-    return true;
-}
-
-PassRefPtr<JSONObject> JSONObjectBase::asObject()
-{
-    return openAccessors();
-}
-
-JSONObject* JSONObjectBase::openAccessors()
-{
-    COMPILE_ASSERT(sizeof(JSONObject) == sizeof(JSONObjectBase), cannot_cast);
-    return static_cast<JSONObject*>(this);
-}
-
-bool JSONObjectBase::getBoolean(const String& name, bool* output) const
-{
-    RefPtr<JSONValue> value = get(name);
-    if (!value)
-        return false;
-    return value->asBoolean(output);
-}
-
-bool JSONObjectBase::getString(const String& name, String* output) const
-{
-    RefPtr<JSONValue> value = get(name);
-    if (!value)
-        return false;
-    return value->asString(output);
-}
-
-PassRefPtr<JSONObject> JSONObjectBase::getObject(const String& name) const
-{
-    RefPtr<JSONValue> value = get(name);
-    if (!value)
-        return 0;
-    return value->asObject();
-}
-
-PassRefPtr<JSONArray> JSONObjectBase::getArray(const String& name) const
-{
-    RefPtr<JSONValue> value = get(name);
-    if (!value)
-        return 0;
-    return value->asArray();
-}
-
-PassRefPtr<JSONValue> JSONObjectBase::get(const String& name) const
-{
-    Dictionary::const_iterator it = m_data.find(name);
-    if (it == m_data.end())
-        return 0;
-    return it->value;
-}
-
-void JSONObjectBase::remove(const String& name)
-{
-    m_data.remove(name);
-    for (size_t i = 0; i < m_order.size(); ++i) {
-        if (m_order[i] == name) {
-            m_order.remove(i);
-            break;
-        }
-    }
-}
-
-void JSONObjectBase::writeJSON(StringBuilder* output) const
-{
-    output->append('{');
-    for (size_t i = 0; i < m_order.size(); ++i) {
-        Dictionary::const_iterator it = m_data.find(m_order[i]);
-        ASSERT(it != m_data.end());
-        if (i)
-            output->append(',');
-        doubleQuoteString(it->key, output);
-        output->append(':');
-        it->value->writeJSON(output);
-    }
-    output->append('}');
-}
-
-JSONObjectBase::JSONObjectBase()
-    : JSONValue(TypeObject)
-    , m_data()
-    , m_order()
-{
-}
-
-JSONArrayBase::~JSONArrayBase()
-{
-}
-
-bool JSONArrayBase::asArray(RefPtr<JSONArray>* output)
-{
-    COMPILE_ASSERT(sizeof(JSONArrayBase) == sizeof(JSONArray), cannot_cast);
-    *output = static_cast<JSONArray*>(this);
-    return true;
-}
-
-PassRefPtr<JSONArray> JSONArrayBase::asArray()
-{
-    COMPILE_ASSERT(sizeof(JSONArrayBase) == sizeof(JSONArray), cannot_cast);
-    return static_cast<JSONArray*>(this);
-}
-
-void JSONArrayBase::writeJSON(StringBuilder* output) const
-{
-    output->append('[');
-    for (Vector<RefPtr<JSONValue> >::const_iterator it = m_data.begin(); it != m_data.end(); ++it) {
-        if (it != m_data.begin())
-            output->append(',');
-        (*it)->writeJSON(output);
-    }
-    output->append(']');
-}
-
-JSONArrayBase::JSONArrayBase()
-    : JSONValue(TypeArray)
-    , m_data()
-{
-}
-
-PassRefPtr<JSONValue> JSONArrayBase::get(size_t index)
-{
-    ASSERT_WITH_SECURITY_IMPLICATION(index < m_data.size());
-    return m_data[index];
-}
-
-} // namespace WebCore