Line data Source code
1 : /* Copyright (C) 2011 Wildfire Games.
2 : * This file is part of 0 A.D.
3 : *
4 : * 0 A.D. is free software: you can redistribute it and/or modify
5 : * it under the terms of the GNU General Public License as published by
6 : * the Free Software Foundation, either version 2 of the License, or
7 : * (at your option) any later version.
8 : *
9 : * 0 A.D. is distributed in the hope that it will be useful,
10 : * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 : * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 : * GNU General Public License for more details.
13 : *
14 : * You should have received a copy of the GNU General Public License
15 : * along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
16 : */
17 :
18 : #include "precompiled.h"
19 :
20 : #include "IDeserializer.h"
21 :
22 : #include "lib/byte_order.h"
23 : #include "lib/utf8.h"
24 : #include "ps/CStr.h"
25 :
26 96 : IDeserializer::~IDeserializer()
27 : {
28 96 : }
29 :
30 212 : void IDeserializer::NumberU8(const char* name, uint8_t& out, uint8_t lower, uint8_t upper)
31 : {
32 : uint8_t value;
33 212 : Get(name, (u8*)&value, sizeof(uint8_t));
34 :
35 212 : if (!(lower <= value && value <= upper))
36 0 : throw PSERROR_Deserialize_OutOfBounds(name);
37 :
38 212 : out = value;
39 212 : }
40 :
41 0 : void IDeserializer::NumberI8(const char* name, int8_t& out, int8_t lower, int8_t upper)
42 : {
43 : int8_t value;
44 0 : Get(name, (u8*)&value, sizeof(uint8_t));
45 :
46 0 : if (!(lower <= value && value <= upper))
47 0 : throw PSERROR_Deserialize_OutOfBounds(name);
48 :
49 0 : out = value;
50 0 : }
51 :
52 0 : void IDeserializer::NumberU16(const char* name, uint16_t& out, uint16_t lower, uint16_t upper)
53 : {
54 : uint16_t value;
55 0 : Get(name, (u8*)&value, sizeof(uint16_t));
56 0 : value = to_le16(value);
57 :
58 0 : if (!(lower <= value && value <= upper))
59 0 : throw PSERROR_Deserialize_OutOfBounds(name);
60 :
61 0 : out = value;
62 0 : }
63 :
64 0 : void IDeserializer::NumberI16(const char* name, int16_t& out, int16_t lower, int16_t upper)
65 : {
66 : int16_t value;
67 0 : Get(name, (u8*)&value, sizeof(uint16_t));
68 0 : value = (i16)to_le16((u16)value);
69 :
70 0 : if (!(lower <= value && value <= upper))
71 0 : throw PSERROR_Deserialize_OutOfBounds(name);
72 :
73 0 : out = value;
74 0 : }
75 :
76 15 : void IDeserializer::NumberU32(const char* name, uint32_t& out, uint32_t lower, uint32_t upper)
77 : {
78 : uint32_t value;
79 15 : Get(name, (u8*)&value, sizeof(uint32_t));
80 15 : value = to_le32(value);
81 :
82 15 : if (!(lower <= value && value <= upper))
83 0 : throw PSERROR_Deserialize_OutOfBounds(name);
84 :
85 15 : out = value;
86 15 : }
87 :
88 101 : void IDeserializer::NumberI32(const char* name, int32_t& out, int32_t lower, int32_t upper)
89 : {
90 : int32_t value;
91 101 : Get(name, (u8*)&value, sizeof(uint32_t));
92 101 : value = (i32)to_le32((u32)value);
93 :
94 101 : if (!(lower <= value && value <= upper))
95 0 : throw PSERROR_Deserialize_OutOfBounds(name);
96 :
97 101 : out = value;
98 101 : }
99 :
100 357 : void IDeserializer::NumberU8_Unbounded(const char* name, uint8_t& out)
101 : {
102 357 : Get(name, (u8*)&out, sizeof(uint8_t));
103 357 : }
104 :
105 1 : void IDeserializer::NumberI8_Unbounded(const char* name, int8_t& out)
106 : {
107 1 : Get(name, (u8*)&out, sizeof(int8_t));
108 1 : }
109 :
110 1 : void IDeserializer::NumberU16_Unbounded(const char* name, uint16_t& out)
111 : {
112 : uint16_t value;
113 1 : Get(name, (u8*)&value, sizeof(uint16_t));
114 1 : out = to_le16(value);
115 1 : }
116 :
117 1 : void IDeserializer::NumberI16_Unbounded(const char* name, int16_t& out)
118 : {
119 : int16_t value;
120 1 : Get(name, (u8*)&value, sizeof(int16_t));
121 1 : out = (i16)to_le16((u16)value);
122 1 : }
123 :
124 450 : void IDeserializer::NumberU32_Unbounded(const char* name, uint32_t& out)
125 : {
126 : uint32_t value;
127 450 : Get(name, (u8*)&value, sizeof(uint32_t));
128 450 : out = to_le32(value);
129 450 : }
130 :
131 40 : void IDeserializer::NumberI32_Unbounded(const char* name, int32_t& out)
132 : {
133 : int32_t value;
134 40 : Get(name, (u8*)&value, sizeof(int32_t));
135 40 : out = (i32)to_le32((u32)value);
136 40 : }
137 :
138 1 : void IDeserializer::NumberFloat_Unbounded(const char* name, float& out)
139 : {
140 1 : Get(name, (u8*)&out, sizeof(float));
141 1 : }
142 :
143 19 : void IDeserializer::NumberDouble_Unbounded(const char* name, double& out)
144 : {
145 19 : Get(name, (u8*)&out, sizeof(double));
146 19 : }
147 :
148 28 : void IDeserializer::NumberFixed_Unbounded(const char* name, fixed& out)
149 : {
150 : int32_t n;
151 28 : NumberI32_Unbounded(name, n);
152 28 : out.SetInternalValue(n);
153 28 : }
154 :
155 206 : void IDeserializer::Bool(const char* name, bool& out)
156 : {
157 : uint8_t i;
158 206 : NumberU8(name, i, 0, 1);
159 206 : out = (i != 0);
160 206 : }
161 :
162 15 : void IDeserializer::StringASCII(const char* name, std::string& out, uint32_t minlength, uint32_t maxlength)
163 : {
164 : uint32_t len;
165 15 : NumberU32("string length", len, minlength, maxlength);
166 :
167 15 : RequireBytesInStream(len);
168 15 : out.resize(len);
169 15 : Get(name, (u8*)out.data(), len);
170 :
171 196 : for (size_t i = 0; i < out.length(); ++i)
172 181 : if (out[i] == 0 || (unsigned char)out[i] >= 128)
173 0 : throw PSERROR_Deserialize_InvalidCharInString();
174 15 : }
175 :
176 17 : void IDeserializer::String(const char* name, std::wstring& out, uint32_t minlength, uint32_t maxlength)
177 : {
178 34 : std::string str;
179 : uint32_t len;
180 17 : NumberU32_Unbounded("string length", len);
181 :
182 17 : RequireBytesInStream(len);
183 17 : str.resize(len);
184 17 : Get(name, (u8*)str.data(), len);
185 :
186 : Status err;
187 17 : out = wstring_from_utf8(str, &err);
188 17 : if (err)
189 0 : throw PSERROR_Deserialize_InvalidCharInString();
190 :
191 17 : if (!(minlength <= out.length() && out.length() <= maxlength))
192 0 : throw PSERROR_Deserialize_OutOfBounds(name);
193 17 : }
194 :
195 25 : void IDeserializer::RawBytes(const char* name, u8* data, size_t len)
196 : {
197 25 : Get(name, data, len);
198 25 : }
199 :
200 0 : int IDeserializer::GetVersion() const
201 : {
202 0 : debug_warn(L"GetVersion() not implemented in this subclass");
203 0 : return 0;
204 : }
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