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Issue 2865010: Load net-internals resources from resources.pak. (Closed) Base URL: http://src.chromium.org/git/chromium.git
Patch Set: mini installer 2 Created 10 years, 6 months ago
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1 // Copyright (c) 2008 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2008 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "base/data_pack.h" 5 #include "base/data_pack.h"
6 6
7 #include <errno.h> 7 #include <errno.h>
8 8
9 #include "base/file_util.h" 9 #include "base/file_util.h"
10 #include "base/logging.h" 10 #include "base/logging.h"
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89 LOG(ERROR) << "Entry #" << i << " in data pack points off end of file. " 89 LOG(ERROR) << "Entry #" << i << " in data pack points off end of file. "
90 << "Was the file corrupted?"; 90 << "Was the file corrupted?";
91 mmap_.reset(); 91 mmap_.reset();
92 return false; 92 return false;
93 } 93 }
94 } 94 }
95 95
96 return true; 96 return true;
97 } 97 }
98 98
99 bool DataPack::GetStringPiece(uint32 resource_id, StringPiece* data) { 99 bool DataPack::GetStringPiece(uint32 resource_id, StringPiece* data) const {
100 // It won't be hard to make this endian-agnostic, but it's not worth 100 // It won't be hard to make this endian-agnostic, but it's not worth
101 // bothering to do right now. 101 // bothering to do right now.
102 #if defined(__BYTE_ORDER) 102 #if defined(__BYTE_ORDER)
103 // Linux check 103 // Linux check
104 COMPILE_ASSERT(__BYTE_ORDER == __LITTLE_ENDIAN, 104 COMPILE_ASSERT(__BYTE_ORDER == __LITTLE_ENDIAN,
105 datapack_assumes_little_endian); 105 datapack_assumes_little_endian);
106 #elif defined(__BIG_ENDIAN__) 106 #elif defined(__BIG_ENDIAN__)
107 // Mac check 107 // Mac check
108 #error DataPack assumes little endian 108 #error DataPack assumes little endian
109 #endif 109 #endif
110 110
111 DataPackEntry* target = reinterpret_cast<DataPackEntry*>( 111 DataPackEntry* target = reinterpret_cast<DataPackEntry*>(
112 bsearch(&resource_id, mmap_->data() + kHeaderLength, resource_count_, 112 bsearch(&resource_id, mmap_->data() + kHeaderLength, resource_count_,
113 sizeof(DataPackEntry), DataPackEntry::CompareById)); 113 sizeof(DataPackEntry), DataPackEntry::CompareById));
114 if (!target) { 114 if (!target) {
115 return false; 115 return false;
116 } 116 }
117 117
118 data->set(mmap_->data() + target->file_offset, target->length); 118 data->set(mmap_->data() + target->file_offset, target->length);
119 return true; 119 return true;
120 } 120 }
121 121
122 RefCountedStaticMemory* DataPack::GetStaticMemory(uint32 resource_id) { 122 RefCountedStaticMemory* DataPack::GetStaticMemory(uint32 resource_id) const {
123 base::StringPiece piece; 123 base::StringPiece piece;
124 if (!GetStringPiece(resource_id, &piece)) 124 if (!GetStringPiece(resource_id, &piece))
125 return NULL; 125 return NULL;
126 126
127 return new RefCountedStaticMemory( 127 return new RefCountedStaticMemory(
128 reinterpret_cast<const unsigned char*>(piece.data()), piece.length()); 128 reinterpret_cast<const unsigned char*>(piece.data()), piece.length());
129 } 129 }
130 130
131 // static 131 // static
132 bool DataPack::WritePack(const FilePath& path, 132 bool DataPack::WritePack(const FilePath& path,
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185 return false; 185 return false;
186 } 186 }
187 } 187 }
188 188
189 file_util::CloseFile(file); 189 file_util::CloseFile(file);
190 190
191 return true; 191 return true;
192 } 192 }
193 193
194 } // namespace base 194 } // namespace base
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