1/*
2 * Copyright (C) 2015 Igalia S.L.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "KeyedEncoderGlib.h"
28
29#include "SharedBuffer.h"
30#include <wtf/text/CString.h>
31
32namespace WebCore {
33
34std::unique_ptr<KeyedEncoder> KeyedEncoder::encoder()
35{
36 return std::make_unique<KeyedEncoderGlib>();
37}
38
39KeyedEncoderGlib::KeyedEncoderGlib()
40{
41 g_variant_builder_init(&m_variantBuilder, G_VARIANT_TYPE("a{sv}"));
42 m_variantBuilderStack.append(&m_variantBuilder);
43}
44
45KeyedEncoderGlib::~KeyedEncoderGlib()
46{
47 ASSERT(m_variantBuilderStack.size() == 1);
48 ASSERT(m_variantBuilderStack.last() == &m_variantBuilder);
49 ASSERT(m_arrayStack.isEmpty());
50 ASSERT(m_objectStack.isEmpty());
51}
52
53void KeyedEncoderGlib::encodeBytes(const String& key, const uint8_t* bytes, size_t size)
54{
55 GRefPtr<GBytes> gBytes = adoptGRef(g_bytes_new_static(bytes, size));
56 g_variant_builder_add(m_variantBuilderStack.last(), "{sv}", key.utf8().data(), g_variant_new_from_bytes(G_VARIANT_TYPE("ay"), gBytes.get(), TRUE));
57}
58
59void KeyedEncoderGlib::encodeBool(const String& key, bool value)
60{
61 g_variant_builder_add(m_variantBuilderStack.last(), "{sv}", key.utf8().data(), g_variant_new_boolean(value));
62}
63
64void KeyedEncoderGlib::encodeUInt32(const String& key, uint32_t value)
65{
66 g_variant_builder_add(m_variantBuilderStack.last(), "{sv}", key.utf8().data(), g_variant_new_uint32(value));
67}
68
69void KeyedEncoderGlib::encodeUInt64(const String& key, uint64_t value)
70{
71 g_variant_builder_add(m_variantBuilderStack.last(), "{sv}", key.utf8().data(), g_variant_new_uint64(value));
72}
73
74void KeyedEncoderGlib::encodeInt32(const String& key, int32_t value)
75{
76 g_variant_builder_add(m_variantBuilderStack.last(), "{sv}", key.utf8().data(), g_variant_new_int32(value));
77}
78
79void KeyedEncoderGlib::encodeInt64(const String& key, int64_t value)
80{
81 g_variant_builder_add(m_variantBuilderStack.last(), "{sv}", key.utf8().data(), g_variant_new_int64(value));
82}
83
84void KeyedEncoderGlib::encodeFloat(const String& key, float value)
85{
86 encodeDouble(key, value);
87}
88
89void KeyedEncoderGlib::encodeDouble(const String& key, double value)
90{
91 g_variant_builder_add(m_variantBuilderStack.last(), "{sv}", key.utf8().data(), g_variant_new_double(value));
92}
93
94void KeyedEncoderGlib::encodeString(const String& key, const String& value)
95{
96 g_variant_builder_add(m_variantBuilderStack.last(), "{sv}", key.utf8().data(), g_variant_new_string(value.utf8().data()));
97}
98
99void KeyedEncoderGlib::beginObject(const String& key)
100{
101 GRefPtr<GVariantBuilder> builder = adoptGRef(g_variant_builder_new(G_VARIANT_TYPE("a{sv}")));
102 m_objectStack.append(std::make_pair(key, builder));
103 m_variantBuilderStack.append(builder.get());
104}
105
106void KeyedEncoderGlib::endObject()
107{
108 GVariantBuilder* builder = m_variantBuilderStack.takeLast();
109 g_variant_builder_add(m_variantBuilderStack.last(), "{sv}", m_objectStack.last().first.utf8().data(), g_variant_builder_end(builder));
110 m_objectStack.removeLast();
111}
112
113void KeyedEncoderGlib::beginArray(const String& key)
114{
115 m_arrayStack.append(std::make_pair(key, adoptGRef(g_variant_builder_new(G_VARIANT_TYPE("aa{sv}")))));
116}
117
118void KeyedEncoderGlib::beginArrayElement()
119{
120 m_variantBuilderStack.append(g_variant_builder_new(G_VARIANT_TYPE("a{sv}")));
121}
122
123void KeyedEncoderGlib::endArrayElement()
124{
125 GRefPtr<GVariantBuilder> variantBuilder = adoptGRef(m_variantBuilderStack.takeLast());
126 g_variant_builder_add_value(m_arrayStack.last().second.get(), g_variant_builder_end(variantBuilder.get()));
127}
128
129void KeyedEncoderGlib::endArray()
130{
131 g_variant_builder_add(m_variantBuilderStack.last(), "{sv}", m_arrayStack.last().first.utf8().data(), g_variant_builder_end(m_arrayStack.last().second.get()));
132 m_arrayStack.removeLast();
133}
134
135RefPtr<SharedBuffer> KeyedEncoderGlib::finishEncoding()
136{
137 g_assert(m_variantBuilderStack.last() == &m_variantBuilder);
138 GRefPtr<GVariant> variant = g_variant_builder_end(&m_variantBuilder);
139 GRefPtr<GBytes> data = g_variant_get_data_as_bytes(variant.get());
140 return SharedBuffer::create(static_cast<const unsigned char*>(g_bytes_get_data(data.get(), nullptr)), static_cast<unsigned>(g_bytes_get_size(data.get())));
141}
142
143} // namespace WebCore
144