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Serenity Operating System
1/*
2 * Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice, this
9 * list of conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice,
12 * this list of conditions and the following disclaimer in the documentation
13 * and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
21 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
22 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
23 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#include <AK/String.h>
28#include <LibIPC/Encoder.h>
29
30namespace IPC {
31
32Encoder& Encoder::operator<<(bool value)
33{
34 return *this << (u8)value;
35}
36
37Encoder& Encoder::operator<<(u8 value)
38{
39 m_buffer.append(value);
40 return *this;
41}
42
43Encoder& Encoder::operator<<(u16 value)
44{
45 m_buffer.ensure_capacity(m_buffer.size() + 2);
46 m_buffer.unchecked_append((u8)value);
47 m_buffer.unchecked_append((u8)(value >> 8));
48 return *this;
49}
50
51Encoder& Encoder::operator<<(u32 value)
52{
53 m_buffer.ensure_capacity(m_buffer.size() + 4);
54 m_buffer.unchecked_append((u8)value);
55 m_buffer.unchecked_append((u8)(value >> 8));
56 m_buffer.unchecked_append((u8)(value >> 16));
57 m_buffer.unchecked_append((u8)(value >> 24));
58 return *this;
59}
60
61Encoder& Encoder::operator<<(u64 value)
62{
63 m_buffer.ensure_capacity(m_buffer.size() + 8);
64 m_buffer.unchecked_append((u8)value);
65 m_buffer.unchecked_append((u8)(value >> 8));
66 m_buffer.unchecked_append((u8)(value >> 16));
67 m_buffer.unchecked_append((u8)(value >> 24));
68 m_buffer.unchecked_append((u8)(value >> 32));
69 m_buffer.unchecked_append((u8)(value >> 40));
70 m_buffer.unchecked_append((u8)(value >> 48));
71 m_buffer.unchecked_append((u8)(value >> 56));
72 return *this;
73}
74
75Encoder& Encoder::operator<<(i8 value)
76{
77 m_buffer.append((u8)value);
78 return *this;
79}
80
81Encoder& Encoder::operator<<(i16 value)
82{
83 m_buffer.ensure_capacity(m_buffer.size() + 2);
84 m_buffer.unchecked_append((u8)value);
85 m_buffer.unchecked_append((u8)(value >> 8));
86 return *this;
87}
88
89Encoder& Encoder::operator<<(i32 value)
90{
91 m_buffer.ensure_capacity(m_buffer.size() + 4);
92 m_buffer.unchecked_append((u8)value);
93 m_buffer.unchecked_append((u8)(value >> 8));
94 m_buffer.unchecked_append((u8)(value >> 16));
95 m_buffer.unchecked_append((u8)(value >> 24));
96 return *this;
97}
98
99Encoder& Encoder::operator<<(i64 value)
100{
101 m_buffer.ensure_capacity(m_buffer.size() + 8);
102 m_buffer.unchecked_append((u8)value);
103 m_buffer.unchecked_append((u8)(value >> 8));
104 m_buffer.unchecked_append((u8)(value >> 16));
105 m_buffer.unchecked_append((u8)(value >> 24));
106 m_buffer.unchecked_append((u8)(value >> 32));
107 m_buffer.unchecked_append((u8)(value >> 40));
108 m_buffer.unchecked_append((u8)(value >> 48));
109 m_buffer.unchecked_append((u8)(value >> 56));
110 return *this;
111}
112
113Encoder& Encoder::operator<<(float value)
114{
115 union bits {
116 float as_float;
117 u32 as_u32;
118 } u;
119 u.as_float = value;
120 return *this << u.as_u32;
121}
122
123Encoder& Encoder::operator<<(const char* value)
124{
125 return *this << StringView(value);
126}
127
128Encoder& Encoder::operator<<(const StringView& value)
129{
130 m_buffer.append((const u8*)value.characters_without_null_termination(), value.length());
131 return *this;
132}
133
134Encoder& Encoder::operator<<(const String& value)
135{
136 if (value.is_null())
137 return *this << (i32)-1;
138 *this << static_cast<i32>(value.length());
139 return *this << value.view();
140}
141
142}