144 lines
5.4 KiB
C++
144 lines
5.4 KiB
C++
/*
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* Copyright (C) 2015 Igalia S.L.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "KeyedEncoderGlib.h"
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#include "SharedBuffer.h"
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#include <wtf/text/CString.h>
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namespace WebCore {
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std::unique_ptr<KeyedEncoder> KeyedEncoder::encoder()
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{
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return makeUnique<KeyedEncoderGlib>();
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}
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KeyedEncoderGlib::KeyedEncoderGlib()
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{
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g_variant_builder_init(&m_variantBuilder, G_VARIANT_TYPE("a{sv}"));
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m_variantBuilderStack.append(&m_variantBuilder);
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}
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KeyedEncoderGlib::~KeyedEncoderGlib()
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{
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ASSERT(m_variantBuilderStack.size() == 1);
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ASSERT(m_variantBuilderStack.last() == &m_variantBuilder);
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ASSERT(m_arrayStack.isEmpty());
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ASSERT(m_objectStack.isEmpty());
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}
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void KeyedEncoderGlib::encodeBytes(const String& key, const uint8_t* bytes, size_t size)
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{
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GRefPtr<GBytes> gBytes = adoptGRef(g_bytes_new_static(bytes, size));
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g_variant_builder_add(m_variantBuilderStack.last(), "{sv}", key.utf8().data(), g_variant_new_from_bytes(G_VARIANT_TYPE("ay"), gBytes.get(), TRUE));
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}
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void KeyedEncoderGlib::encodeBool(const String& key, bool value)
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{
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g_variant_builder_add(m_variantBuilderStack.last(), "{sv}", key.utf8().data(), g_variant_new_boolean(value));
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}
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void KeyedEncoderGlib::encodeUInt32(const String& key, uint32_t value)
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{
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g_variant_builder_add(m_variantBuilderStack.last(), "{sv}", key.utf8().data(), g_variant_new_uint32(value));
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}
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void KeyedEncoderGlib::encodeUInt64(const String& key, uint64_t value)
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{
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g_variant_builder_add(m_variantBuilderStack.last(), "{sv}", key.utf8().data(), g_variant_new_uint64(value));
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}
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void KeyedEncoderGlib::encodeInt32(const String& key, int32_t value)
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{
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g_variant_builder_add(m_variantBuilderStack.last(), "{sv}", key.utf8().data(), g_variant_new_int32(value));
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}
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void KeyedEncoderGlib::encodeInt64(const String& key, int64_t value)
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{
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g_variant_builder_add(m_variantBuilderStack.last(), "{sv}", key.utf8().data(), g_variant_new_int64(value));
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}
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void KeyedEncoderGlib::encodeFloat(const String& key, float value)
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{
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encodeDouble(key, value);
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}
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void KeyedEncoderGlib::encodeDouble(const String& key, double value)
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{
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g_variant_builder_add(m_variantBuilderStack.last(), "{sv}", key.utf8().data(), g_variant_new_double(value));
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}
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void KeyedEncoderGlib::encodeString(const String& key, const String& value)
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{
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g_variant_builder_add(m_variantBuilderStack.last(), "{sv}", key.utf8().data(), g_variant_new_string(value.utf8().data()));
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}
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void KeyedEncoderGlib::beginObject(const String& key)
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{
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GRefPtr<GVariantBuilder> builder = adoptGRef(g_variant_builder_new(G_VARIANT_TYPE("a{sv}")));
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m_objectStack.append(std::make_pair(key, builder));
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m_variantBuilderStack.append(builder.get());
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}
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void KeyedEncoderGlib::endObject()
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{
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GVariantBuilder* builder = m_variantBuilderStack.takeLast();
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g_variant_builder_add(m_variantBuilderStack.last(), "{sv}", m_objectStack.last().first.utf8().data(), g_variant_builder_end(builder));
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m_objectStack.removeLast();
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}
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void KeyedEncoderGlib::beginArray(const String& key)
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{
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m_arrayStack.append(std::make_pair(key, adoptGRef(g_variant_builder_new(G_VARIANT_TYPE("aa{sv}")))));
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}
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void KeyedEncoderGlib::beginArrayElement()
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{
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m_variantBuilderStack.append(g_variant_builder_new(G_VARIANT_TYPE("a{sv}")));
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}
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void KeyedEncoderGlib::endArrayElement()
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{
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GRefPtr<GVariantBuilder> variantBuilder = adoptGRef(m_variantBuilderStack.takeLast());
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g_variant_builder_add_value(m_arrayStack.last().second.get(), g_variant_builder_end(variantBuilder.get()));
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}
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void KeyedEncoderGlib::endArray()
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{
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g_variant_builder_add(m_variantBuilderStack.last(), "{sv}", m_arrayStack.last().first.utf8().data(), g_variant_builder_end(m_arrayStack.last().second.get()));
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m_arrayStack.removeLast();
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}
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RefPtr<SharedBuffer> KeyedEncoderGlib::finishEncoding()
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{
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g_assert(m_variantBuilderStack.last() == &m_variantBuilder);
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GRefPtr<GVariant> variant = g_variant_builder_end(&m_variantBuilder);
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GRefPtr<GBytes> data = g_variant_get_data_as_bytes(variant.get());
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return SharedBuffer::create(static_cast<const unsigned char*>(g_bytes_get_data(data.get(), nullptr)), static_cast<unsigned>(g_bytes_get_size(data.get())));
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}
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} // namespace WebCore
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