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Side by Side Diff: ui/base/resource/data_pack.cc

Issue 109043002: Move more file_util functions to base namespace. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 7 years ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2012 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 "ui/base/resource/data_pack.h" 5 #include "ui/base/resource/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/files/memory_mapped_file.h" 10 #include "base/files/memory_mapped_file.h"
(...skipping 198 matching lines...) Expand 10 before | Expand all | Expand 10 after
209 } 209 }
210 210
211 ui::ScaleFactor DataPack::GetScaleFactor() const { 211 ui::ScaleFactor DataPack::GetScaleFactor() const {
212 return scale_factor_; 212 return scale_factor_;
213 } 213 }
214 214
215 // static 215 // static
216 bool DataPack::WritePack(const base::FilePath& path, 216 bool DataPack::WritePack(const base::FilePath& path,
217 const std::map<uint16, base::StringPiece>& resources, 217 const std::map<uint16, base::StringPiece>& resources,
218 TextEncodingType textEncodingType) { 218 TextEncodingType textEncodingType) {
219 FILE* file = file_util::OpenFile(path, "wb"); 219 FILE* file = base::OpenFile(path, "wb");
220 if (!file) 220 if (!file)
221 return false; 221 return false;
222 222
223 if (fwrite(&kFileFormatVersion, sizeof(kFileFormatVersion), 1, file) != 1) { 223 if (fwrite(&kFileFormatVersion, sizeof(kFileFormatVersion), 1, file) != 1) {
224 LOG(ERROR) << "Failed to write file version"; 224 LOG(ERROR) << "Failed to write file version";
225 file_util::CloseFile(file); 225 base::CloseFile(file);
226 return false; 226 return false;
227 } 227 }
228 228
229 // Note: the python version of this function explicitly sorted keys, but 229 // Note: the python version of this function explicitly sorted keys, but
230 // std::map is a sorted associative container, we shouldn't have to do that. 230 // std::map is a sorted associative container, we shouldn't have to do that.
231 uint32 entry_count = resources.size(); 231 uint32 entry_count = resources.size();
232 if (fwrite(&entry_count, sizeof(entry_count), 1, file) != 1) { 232 if (fwrite(&entry_count, sizeof(entry_count), 1, file) != 1) {
233 LOG(ERROR) << "Failed to write entry count"; 233 LOG(ERROR) << "Failed to write entry count";
234 file_util::CloseFile(file); 234 base::CloseFile(file);
235 return false; 235 return false;
236 } 236 }
237 237
238 if (textEncodingType != UTF8 && textEncodingType != UTF16 && 238 if (textEncodingType != UTF8 && textEncodingType != UTF16 &&
239 textEncodingType != BINARY) { 239 textEncodingType != BINARY) {
240 LOG(ERROR) << "Invalid text encoding type, got " << textEncodingType 240 LOG(ERROR) << "Invalid text encoding type, got " << textEncodingType
241 << ", expected between " << BINARY << " and " << UTF16; 241 << ", expected between " << BINARY << " and " << UTF16;
242 file_util::CloseFile(file); 242 base::CloseFile(file);
243 return false; 243 return false;
244 } 244 }
245 245
246 uint8 write_buffer = textEncodingType; 246 uint8 write_buffer = textEncodingType;
247 if (fwrite(&write_buffer, sizeof(uint8), 1, file) != 1) { 247 if (fwrite(&write_buffer, sizeof(uint8), 1, file) != 1) {
248 LOG(ERROR) << "Failed to write file text resources encoding"; 248 LOG(ERROR) << "Failed to write file text resources encoding";
249 file_util::CloseFile(file); 249 base::CloseFile(file);
250 return false; 250 return false;
251 } 251 }
252 252
253 // Each entry is a uint16 + a uint32. We have an extra entry after the last 253 // Each entry is a uint16 + a uint32. We have an extra entry after the last
254 // item so we can compute the size of the list item. 254 // item so we can compute the size of the list item.
255 uint32 index_length = (entry_count + 1) * sizeof(DataPackEntry); 255 uint32 index_length = (entry_count + 1) * sizeof(DataPackEntry);
256 uint32 data_offset = kHeaderLength + index_length; 256 uint32 data_offset = kHeaderLength + index_length;
257 for (std::map<uint16, base::StringPiece>::const_iterator it = 257 for (std::map<uint16, base::StringPiece>::const_iterator it =
258 resources.begin(); 258 resources.begin();
259 it != resources.end(); ++it) { 259 it != resources.end(); ++it) {
260 uint16 resource_id = it->first; 260 uint16 resource_id = it->first;
261 if (fwrite(&resource_id, sizeof(resource_id), 1, file) != 1) { 261 if (fwrite(&resource_id, sizeof(resource_id), 1, file) != 1) {
262 LOG(ERROR) << "Failed to write id for " << resource_id; 262 LOG(ERROR) << "Failed to write id for " << resource_id;
263 file_util::CloseFile(file); 263 base::CloseFile(file);
264 return false; 264 return false;
265 } 265 }
266 266
267 if (fwrite(&data_offset, sizeof(data_offset), 1, file) != 1) { 267 if (fwrite(&data_offset, sizeof(data_offset), 1, file) != 1) {
268 LOG(ERROR) << "Failed to write offset for " << resource_id; 268 LOG(ERROR) << "Failed to write offset for " << resource_id;
269 file_util::CloseFile(file); 269 base::CloseFile(file);
270 return false; 270 return false;
271 } 271 }
272 272
273 data_offset += it->second.length(); 273 data_offset += it->second.length();
274 } 274 }
275 275
276 // We place an extra entry after the last item that allows us to read the 276 // We place an extra entry after the last item that allows us to read the
277 // size of the last item. 277 // size of the last item.
278 uint16 resource_id = 0; 278 uint16 resource_id = 0;
279 if (fwrite(&resource_id, sizeof(resource_id), 1, file) != 1) { 279 if (fwrite(&resource_id, sizeof(resource_id), 1, file) != 1) {
280 LOG(ERROR) << "Failed to write extra resource id."; 280 LOG(ERROR) << "Failed to write extra resource id.";
281 file_util::CloseFile(file); 281 base::CloseFile(file);
282 return false; 282 return false;
283 } 283 }
284 284
285 if (fwrite(&data_offset, sizeof(data_offset), 1, file) != 1) { 285 if (fwrite(&data_offset, sizeof(data_offset), 1, file) != 1) {
286 LOG(ERROR) << "Failed to write extra offset."; 286 LOG(ERROR) << "Failed to write extra offset.";
287 file_util::CloseFile(file); 287 base::CloseFile(file);
288 return false; 288 return false;
289 } 289 }
290 290
291 for (std::map<uint16, base::StringPiece>::const_iterator it = 291 for (std::map<uint16, base::StringPiece>::const_iterator it =
292 resources.begin(); 292 resources.begin();
293 it != resources.end(); ++it) { 293 it != resources.end(); ++it) {
294 if (fwrite(it->second.data(), it->second.length(), 1, file) != 1) { 294 if (fwrite(it->second.data(), it->second.length(), 1, file) != 1) {
295 LOG(ERROR) << "Failed to write data for " << it->first; 295 LOG(ERROR) << "Failed to write data for " << it->first;
296 file_util::CloseFile(file); 296 base::CloseFile(file);
297 return false; 297 return false;
298 } 298 }
299 } 299 }
300 300
301 file_util::CloseFile(file); 301 base::CloseFile(file);
302 302
303 return true; 303 return true;
304 } 304 }
305 305
306 } // namespace ui 306 } // namespace ui
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