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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "base/files/file_path.h" | |
| 6 | |
| 7 #include <string.h> | |
| 8 #include <algorithm> | |
| 9 | |
| 10 #include "base/basictypes.h" | |
| 11 #include "base/logging.h" | |
| 12 #include "base/pickle.h" | |
| 13 #include "base/strings/string_piece.h" | |
| 14 #include "base/strings/string_util.h" | |
| 15 #include "base/strings/sys_string_conversions.h" | |
| 16 #include "base/strings/utf_string_conversions.h" | |
| 17 | |
| 18 #if defined(OS_MACOSX) | |
| 19 #include "base/mac/scoped_cftyperef.h" | |
| 20 #include "base/third_party/icu/icu_utf.h" | |
| 21 #endif | |
| 22 | |
| 23 #if defined(OS_WIN) | |
| 24 #include <windows.h> | |
| 25 #elif defined(OS_MACOSX) | |
| 26 #include <CoreFoundation/CoreFoundation.h> | |
| 27 #endif | |
| 28 | |
| 29 namespace base { | |
| 30 | |
| 31 using StringType = FilePath::StringType; | |
| 32 using StringPieceType = FilePath::StringPieceType; | |
| 33 | |
| 34 namespace { | |
| 35 | |
| 36 const char* const kCommonDoubleExtensionSuffixes[] = { "gz", "z", "bz2", "bz" }; | |
| 37 const char* const kCommonDoubleExtensions[] = { "user.js" }; | |
| 38 | |
| 39 const FilePath::CharType kStringTerminator = FILE_PATH_LITERAL('\0'); | |
| 40 | |
| 41 // If this FilePath contains a drive letter specification, returns the | |
| 42 // position of the last character of the drive letter specification, | |
| 43 // otherwise returns npos. This can only be true on Windows, when a pathname | |
| 44 // begins with a letter followed by a colon. On other platforms, this always | |
| 45 // returns npos. | |
| 46 StringPieceType::size_type FindDriveLetter(StringPieceType path) { | |
| 47 #if defined(FILE_PATH_USES_DRIVE_LETTERS) | |
| 48 // This is dependent on an ASCII-based character set, but that's a | |
| 49 // reasonable assumption. iswalpha can be too inclusive here. | |
| 50 if (path.length() >= 2 && path[1] == L':' && | |
| 51 ((path[0] >= L'A' && path[0] <= L'Z') || | |
| 52 (path[0] >= L'a' && path[0] <= L'z'))) { | |
| 53 return 1; | |
| 54 } | |
| 55 #endif // FILE_PATH_USES_DRIVE_LETTERS | |
| 56 return StringType::npos; | |
| 57 } | |
| 58 | |
| 59 #if defined(FILE_PATH_USES_DRIVE_LETTERS) | |
| 60 bool EqualDriveLetterCaseInsensitive(StringPieceType a, StringPieceType b) { | |
| 61 size_t a_letter_pos = FindDriveLetter(a); | |
| 62 size_t b_letter_pos = FindDriveLetter(b); | |
| 63 | |
| 64 if (a_letter_pos == StringType::npos || b_letter_pos == StringType::npos) | |
| 65 return a == b; | |
| 66 | |
| 67 StringPieceType a_letter(a.substr(0, a_letter_pos + 1)); | |
| 68 StringPieceType b_letter(b.substr(0, b_letter_pos + 1)); | |
| 69 if (!StartsWith(a_letter, b_letter, CompareCase::INSENSITIVE_ASCII)) | |
| 70 return false; | |
| 71 | |
| 72 StringPieceType a_rest(a.substr(a_letter_pos + 1)); | |
| 73 StringPieceType b_rest(b.substr(b_letter_pos + 1)); | |
| 74 return a_rest == b_rest; | |
| 75 } | |
| 76 #endif // defined(FILE_PATH_USES_DRIVE_LETTERS) | |
| 77 | |
| 78 bool IsPathAbsolute(StringPieceType path) { | |
| 79 #if defined(FILE_PATH_USES_DRIVE_LETTERS) | |
| 80 StringType::size_type letter = FindDriveLetter(path); | |
| 81 if (letter != StringType::npos) { | |
| 82 // Look for a separator right after the drive specification. | |
| 83 return path.length() > letter + 1 && | |
| 84 FilePath::IsSeparator(path[letter + 1]); | |
| 85 } | |
| 86 // Look for a pair of leading separators. | |
| 87 return path.length() > 1 && | |
| 88 FilePath::IsSeparator(path[0]) && FilePath::IsSeparator(path[1]); | |
| 89 #else // FILE_PATH_USES_DRIVE_LETTERS | |
| 90 // Look for a separator in the first position. | |
| 91 return path.length() > 0 && FilePath::IsSeparator(path[0]); | |
| 92 #endif // FILE_PATH_USES_DRIVE_LETTERS | |
| 93 } | |
| 94 | |
| 95 bool AreAllSeparators(const StringType& input) { | |
| 96 for (StringType::const_iterator it = input.begin(); | |
| 97 it != input.end(); ++it) { | |
| 98 if (!FilePath::IsSeparator(*it)) | |
| 99 return false; | |
| 100 } | |
| 101 | |
| 102 return true; | |
| 103 } | |
| 104 | |
| 105 // Find the position of the '.' that separates the extension from the rest | |
| 106 // of the file name. The position is relative to BaseName(), not value(). | |
| 107 // Returns npos if it can't find an extension. | |
| 108 StringType::size_type FinalExtensionSeparatorPosition(const StringType& path) { | |
| 109 // Special case "." and ".." | |
| 110 if (path == FilePath::kCurrentDirectory || path == FilePath::kParentDirectory) | |
| 111 return StringType::npos; | |
| 112 | |
| 113 return path.rfind(FilePath::kExtensionSeparator); | |
| 114 } | |
| 115 | |
| 116 // Same as above, but allow a second extension component of up to 4 | |
| 117 // characters when the rightmost extension component is a common double | |
| 118 // extension (gz, bz2, Z). For example, foo.tar.gz or foo.tar.Z would have | |
| 119 // extension components of '.tar.gz' and '.tar.Z' respectively. | |
| 120 StringType::size_type ExtensionSeparatorPosition(const StringType& path) { | |
| 121 const StringType::size_type last_dot = FinalExtensionSeparatorPosition(path); | |
| 122 | |
| 123 // No extension, or the extension is the whole filename. | |
| 124 if (last_dot == StringType::npos || last_dot == 0U) | |
| 125 return last_dot; | |
| 126 | |
| 127 const StringType::size_type penultimate_dot = | |
| 128 path.rfind(FilePath::kExtensionSeparator, last_dot - 1); | |
| 129 const StringType::size_type last_separator = | |
| 130 path.find_last_of(FilePath::kSeparators, last_dot - 1, | |
| 131 FilePath::kSeparatorsLength - 1); | |
| 132 | |
| 133 if (penultimate_dot == StringType::npos || | |
| 134 (last_separator != StringType::npos && | |
| 135 penultimate_dot < last_separator)) { | |
| 136 return last_dot; | |
| 137 } | |
| 138 | |
| 139 for (size_t i = 0; i < arraysize(kCommonDoubleExtensions); ++i) { | |
| 140 StringType extension(path, penultimate_dot + 1); | |
| 141 if (LowerCaseEqualsASCII(extension, kCommonDoubleExtensions[i])) | |
| 142 return penultimate_dot; | |
| 143 } | |
| 144 | |
| 145 StringType extension(path, last_dot + 1); | |
| 146 for (size_t i = 0; i < arraysize(kCommonDoubleExtensionSuffixes); ++i) { | |
| 147 if (LowerCaseEqualsASCII(extension, kCommonDoubleExtensionSuffixes[i])) { | |
| 148 if ((last_dot - penultimate_dot) <= 5U && | |
| 149 (last_dot - penultimate_dot) > 1U) { | |
| 150 return penultimate_dot; | |
| 151 } | |
| 152 } | |
| 153 } | |
| 154 | |
| 155 return last_dot; | |
| 156 } | |
| 157 | |
| 158 // Returns true if path is "", ".", or "..". | |
| 159 bool IsEmptyOrSpecialCase(const StringType& path) { | |
| 160 // Special cases "", ".", and ".." | |
| 161 if (path.empty() || path == FilePath::kCurrentDirectory || | |
| 162 path == FilePath::kParentDirectory) { | |
| 163 return true; | |
| 164 } | |
| 165 | |
| 166 return false; | |
| 167 } | |
| 168 | |
| 169 } // namespace | |
| 170 | |
| 171 FilePath::FilePath() { | |
| 172 } | |
| 173 | |
| 174 FilePath::FilePath(const FilePath& that) : path_(that.path_) { | |
| 175 } | |
| 176 | |
| 177 FilePath::FilePath(StringPieceType path) { | |
| 178 path.CopyToString(&path_); | |
| 179 StringType::size_type nul_pos = path_.find(kStringTerminator); | |
| 180 if (nul_pos != StringType::npos) | |
| 181 path_.erase(nul_pos, StringType::npos); | |
| 182 } | |
| 183 | |
| 184 FilePath::~FilePath() { | |
| 185 } | |
| 186 | |
| 187 FilePath& FilePath::operator=(const FilePath& that) { | |
| 188 path_ = that.path_; | |
| 189 return *this; | |
| 190 } | |
| 191 | |
| 192 bool FilePath::operator==(const FilePath& that) const { | |
| 193 #if defined(FILE_PATH_USES_DRIVE_LETTERS) | |
| 194 return EqualDriveLetterCaseInsensitive(this->path_, that.path_); | |
| 195 #else // defined(FILE_PATH_USES_DRIVE_LETTERS) | |
| 196 return path_ == that.path_; | |
| 197 #endif // defined(FILE_PATH_USES_DRIVE_LETTERS) | |
| 198 } | |
| 199 | |
| 200 bool FilePath::operator!=(const FilePath& that) const { | |
| 201 #if defined(FILE_PATH_USES_DRIVE_LETTERS) | |
| 202 return !EqualDriveLetterCaseInsensitive(this->path_, that.path_); | |
| 203 #else // defined(FILE_PATH_USES_DRIVE_LETTERS) | |
| 204 return path_ != that.path_; | |
| 205 #endif // defined(FILE_PATH_USES_DRIVE_LETTERS) | |
| 206 } | |
| 207 | |
| 208 // static | |
| 209 bool FilePath::IsSeparator(CharType character) { | |
| 210 for (size_t i = 0; i < kSeparatorsLength - 1; ++i) { | |
| 211 if (character == kSeparators[i]) { | |
| 212 return true; | |
| 213 } | |
| 214 } | |
| 215 | |
| 216 return false; | |
| 217 } | |
| 218 | |
| 219 void FilePath::GetComponents(std::vector<StringType>* components) const { | |
| 220 DCHECK(components); | |
| 221 if (!components) | |
| 222 return; | |
| 223 components->clear(); | |
| 224 if (value().empty()) | |
| 225 return; | |
| 226 | |
| 227 std::vector<StringType> ret_val; | |
| 228 FilePath current = *this; | |
| 229 FilePath base; | |
| 230 | |
| 231 // Capture path components. | |
| 232 while (current != current.DirName()) { | |
| 233 base = current.BaseName(); | |
| 234 if (!AreAllSeparators(base.value())) | |
| 235 ret_val.push_back(base.value()); | |
| 236 current = current.DirName(); | |
| 237 } | |
| 238 | |
| 239 // Capture root, if any. | |
| 240 base = current.BaseName(); | |
| 241 if (!base.value().empty() && base.value() != kCurrentDirectory) | |
| 242 ret_val.push_back(current.BaseName().value()); | |
| 243 | |
| 244 // Capture drive letter, if any. | |
| 245 FilePath dir = current.DirName(); | |
| 246 StringType::size_type letter = FindDriveLetter(dir.value()); | |
| 247 if (letter != StringType::npos) { | |
| 248 ret_val.push_back(StringType(dir.value(), 0, letter + 1)); | |
| 249 } | |
| 250 | |
| 251 *components = std::vector<StringType>(ret_val.rbegin(), ret_val.rend()); | |
| 252 } | |
| 253 | |
| 254 bool FilePath::IsParent(const FilePath& child) const { | |
| 255 return AppendRelativePath(child, NULL); | |
| 256 } | |
| 257 | |
| 258 bool FilePath::AppendRelativePath(const FilePath& child, | |
| 259 FilePath* path) const { | |
| 260 std::vector<StringType> parent_components; | |
| 261 std::vector<StringType> child_components; | |
| 262 GetComponents(&parent_components); | |
| 263 child.GetComponents(&child_components); | |
| 264 | |
| 265 if (parent_components.empty() || | |
| 266 parent_components.size() >= child_components.size()) | |
| 267 return false; | |
| 268 | |
| 269 std::vector<StringType>::const_iterator parent_comp = | |
| 270 parent_components.begin(); | |
| 271 std::vector<StringType>::const_iterator child_comp = | |
| 272 child_components.begin(); | |
| 273 | |
| 274 #if defined(FILE_PATH_USES_DRIVE_LETTERS) | |
| 275 // Windows can access case sensitive filesystems, so component | |
| 276 // comparisions must be case sensitive, but drive letters are | |
| 277 // never case sensitive. | |
| 278 if ((FindDriveLetter(*parent_comp) != StringType::npos) && | |
| 279 (FindDriveLetter(*child_comp) != StringType::npos)) { | |
| 280 if (!StartsWith(*parent_comp, *child_comp, CompareCase::INSENSITIVE_ASCII)) | |
| 281 return false; | |
| 282 ++parent_comp; | |
| 283 ++child_comp; | |
| 284 } | |
| 285 #endif // defined(FILE_PATH_USES_DRIVE_LETTERS) | |
| 286 | |
| 287 while (parent_comp != parent_components.end()) { | |
| 288 if (*parent_comp != *child_comp) | |
| 289 return false; | |
| 290 ++parent_comp; | |
| 291 ++child_comp; | |
| 292 } | |
| 293 | |
| 294 if (path != NULL) { | |
| 295 for (; child_comp != child_components.end(); ++child_comp) { | |
| 296 *path = path->Append(*child_comp); | |
| 297 } | |
| 298 } | |
| 299 return true; | |
| 300 } | |
| 301 | |
| 302 // libgen's dirname and basename aren't guaranteed to be thread-safe and aren't | |
| 303 // guaranteed to not modify their input strings, and in fact are implemented | |
| 304 // differently in this regard on different platforms. Don't use them, but | |
| 305 // adhere to their behavior. | |
| 306 FilePath FilePath::DirName() const { | |
| 307 FilePath new_path(path_); | |
| 308 new_path.StripTrailingSeparatorsInternal(); | |
| 309 | |
| 310 // The drive letter, if any, always needs to remain in the output. If there | |
| 311 // is no drive letter, as will always be the case on platforms which do not | |
| 312 // support drive letters, letter will be npos, or -1, so the comparisons and | |
| 313 // resizes below using letter will still be valid. | |
| 314 StringType::size_type letter = FindDriveLetter(new_path.path_); | |
| 315 | |
| 316 StringType::size_type last_separator = | |
| 317 new_path.path_.find_last_of(kSeparators, StringType::npos, | |
| 318 kSeparatorsLength - 1); | |
| 319 if (last_separator == StringType::npos) { | |
| 320 // path_ is in the current directory. | |
| 321 new_path.path_.resize(letter + 1); | |
| 322 } else if (last_separator == letter + 1) { | |
| 323 // path_ is in the root directory. | |
| 324 new_path.path_.resize(letter + 2); | |
| 325 } else if (last_separator == letter + 2 && | |
| 326 IsSeparator(new_path.path_[letter + 1])) { | |
| 327 // path_ is in "//" (possibly with a drive letter); leave the double | |
| 328 // separator intact indicating alternate root. | |
| 329 new_path.path_.resize(letter + 3); | |
| 330 } else if (last_separator != 0) { | |
| 331 // path_ is somewhere else, trim the basename. | |
| 332 new_path.path_.resize(last_separator); | |
| 333 } | |
| 334 | |
| 335 new_path.StripTrailingSeparatorsInternal(); | |
| 336 if (!new_path.path_.length()) | |
| 337 new_path.path_ = kCurrentDirectory; | |
| 338 | |
| 339 return new_path; | |
| 340 } | |
| 341 | |
| 342 FilePath FilePath::BaseName() const { | |
| 343 FilePath new_path(path_); | |
| 344 new_path.StripTrailingSeparatorsInternal(); | |
| 345 | |
| 346 // The drive letter, if any, is always stripped. | |
| 347 StringType::size_type letter = FindDriveLetter(new_path.path_); | |
| 348 if (letter != StringType::npos) { | |
| 349 new_path.path_.erase(0, letter + 1); | |
| 350 } | |
| 351 | |
| 352 // Keep everything after the final separator, but if the pathname is only | |
| 353 // one character and it's a separator, leave it alone. | |
| 354 StringType::size_type last_separator = | |
| 355 new_path.path_.find_last_of(kSeparators, StringType::npos, | |
| 356 kSeparatorsLength - 1); | |
| 357 if (last_separator != StringType::npos && | |
| 358 last_separator < new_path.path_.length() - 1) { | |
| 359 new_path.path_.erase(0, last_separator + 1); | |
| 360 } | |
| 361 | |
| 362 return new_path; | |
| 363 } | |
| 364 | |
| 365 StringType FilePath::Extension() const { | |
| 366 FilePath base(BaseName()); | |
| 367 const StringType::size_type dot = ExtensionSeparatorPosition(base.path_); | |
| 368 if (dot == StringType::npos) | |
| 369 return StringType(); | |
| 370 | |
| 371 return base.path_.substr(dot, StringType::npos); | |
| 372 } | |
| 373 | |
| 374 StringType FilePath::FinalExtension() const { | |
| 375 FilePath base(BaseName()); | |
| 376 const StringType::size_type dot = FinalExtensionSeparatorPosition(base.path_); | |
| 377 if (dot == StringType::npos) | |
| 378 return StringType(); | |
| 379 | |
| 380 return base.path_.substr(dot, StringType::npos); | |
| 381 } | |
| 382 | |
| 383 FilePath FilePath::RemoveExtension() const { | |
| 384 if (Extension().empty()) | |
| 385 return *this; | |
| 386 | |
| 387 const StringType::size_type dot = ExtensionSeparatorPosition(path_); | |
| 388 if (dot == StringType::npos) | |
| 389 return *this; | |
| 390 | |
| 391 return FilePath(path_.substr(0, dot)); | |
| 392 } | |
| 393 | |
| 394 FilePath FilePath::RemoveFinalExtension() const { | |
| 395 if (FinalExtension().empty()) | |
| 396 return *this; | |
| 397 | |
| 398 const StringType::size_type dot = FinalExtensionSeparatorPosition(path_); | |
| 399 if (dot == StringType::npos) | |
| 400 return *this; | |
| 401 | |
| 402 return FilePath(path_.substr(0, dot)); | |
| 403 } | |
| 404 | |
| 405 FilePath FilePath::InsertBeforeExtension(StringPieceType suffix) const { | |
| 406 if (suffix.empty()) | |
| 407 return FilePath(path_); | |
| 408 | |
| 409 if (IsEmptyOrSpecialCase(BaseName().value())) | |
| 410 return FilePath(); | |
| 411 | |
| 412 StringType ext = Extension(); | |
| 413 StringType ret = RemoveExtension().value(); | |
| 414 suffix.AppendToString(&ret); | |
| 415 ret.append(ext); | |
| 416 return FilePath(ret); | |
| 417 } | |
| 418 | |
| 419 FilePath FilePath::InsertBeforeExtensionASCII(StringPiece suffix) const { | |
| 420 DCHECK(IsStringASCII(suffix)); | |
| 421 #if defined(OS_WIN) | |
| 422 return InsertBeforeExtension(ASCIIToUTF16(suffix)); | |
| 423 #elif defined(OS_POSIX) | |
| 424 return InsertBeforeExtension(suffix); | |
| 425 #endif | |
| 426 } | |
| 427 | |
| 428 FilePath FilePath::AddExtension(StringPieceType extension) const { | |
| 429 if (IsEmptyOrSpecialCase(BaseName().value())) | |
| 430 return FilePath(); | |
| 431 | |
| 432 // If the new extension is "" or ".", then just return the current FilePath. | |
| 433 if (extension.empty() || | |
| 434 (extension.size() == 1 && extension[0] == kExtensionSeparator)) | |
| 435 return *this; | |
| 436 | |
| 437 StringType str = path_; | |
| 438 if (extension[0] != kExtensionSeparator && | |
| 439 *(str.end() - 1) != kExtensionSeparator) { | |
| 440 str.append(1, kExtensionSeparator); | |
| 441 } | |
| 442 extension.AppendToString(&str); | |
| 443 return FilePath(str); | |
| 444 } | |
| 445 | |
| 446 FilePath FilePath::ReplaceExtension(StringPieceType extension) const { | |
| 447 if (IsEmptyOrSpecialCase(BaseName().value())) | |
| 448 return FilePath(); | |
| 449 | |
| 450 FilePath no_ext = RemoveExtension(); | |
| 451 // If the new extension is "" or ".", then just remove the current extension. | |
| 452 if (extension.empty() || | |
| 453 (extension.size() == 1 && extension[0] == kExtensionSeparator)) | |
| 454 return no_ext; | |
| 455 | |
| 456 StringType str = no_ext.value(); | |
| 457 if (extension[0] != kExtensionSeparator) | |
| 458 str.append(1, kExtensionSeparator); | |
| 459 extension.AppendToString(&str); | |
| 460 return FilePath(str); | |
| 461 } | |
| 462 | |
| 463 bool FilePath::MatchesExtension(StringPieceType extension) const { | |
| 464 DCHECK(extension.empty() || extension[0] == kExtensionSeparator); | |
| 465 | |
| 466 StringType current_extension = Extension(); | |
| 467 | |
| 468 if (current_extension.length() != extension.length()) | |
| 469 return false; | |
| 470 | |
| 471 return FilePath::CompareEqualIgnoreCase(extension, current_extension); | |
| 472 } | |
| 473 | |
| 474 FilePath FilePath::Append(StringPieceType component) const { | |
| 475 StringPieceType appended = component; | |
| 476 StringType without_nuls; | |
| 477 | |
| 478 StringType::size_type nul_pos = component.find(kStringTerminator); | |
| 479 if (nul_pos != StringPieceType::npos) { | |
| 480 component.substr(0, nul_pos).CopyToString(&without_nuls); | |
| 481 appended = StringPieceType(without_nuls); | |
| 482 } | |
| 483 | |
| 484 DCHECK(!IsPathAbsolute(appended)); | |
| 485 | |
| 486 if (path_.compare(kCurrentDirectory) == 0) { | |
| 487 // Append normally doesn't do any normalization, but as a special case, | |
| 488 // when appending to kCurrentDirectory, just return a new path for the | |
| 489 // component argument. Appending component to kCurrentDirectory would | |
| 490 // serve no purpose other than needlessly lengthening the path, and | |
| 491 // it's likely in practice to wind up with FilePath objects containing | |
| 492 // only kCurrentDirectory when calling DirName on a single relative path | |
| 493 // component. | |
| 494 return FilePath(appended); | |
| 495 } | |
| 496 | |
| 497 FilePath new_path(path_); | |
| 498 new_path.StripTrailingSeparatorsInternal(); | |
| 499 | |
| 500 // Don't append a separator if the path is empty (indicating the current | |
| 501 // directory) or if the path component is empty (indicating nothing to | |
| 502 // append). | |
| 503 if (appended.length() > 0 && new_path.path_.length() > 0) { | |
| 504 // Don't append a separator if the path still ends with a trailing | |
| 505 // separator after stripping (indicating the root directory). | |
| 506 if (!IsSeparator(new_path.path_[new_path.path_.length() - 1])) { | |
| 507 // Don't append a separator if the path is just a drive letter. | |
| 508 if (FindDriveLetter(new_path.path_) + 1 != new_path.path_.length()) { | |
| 509 new_path.path_.append(1, kSeparators[0]); | |
| 510 } | |
| 511 } | |
| 512 } | |
| 513 | |
| 514 appended.AppendToString(&new_path.path_); | |
| 515 return new_path; | |
| 516 } | |
| 517 | |
| 518 FilePath FilePath::Append(const FilePath& component) const { | |
| 519 return Append(component.value()); | |
| 520 } | |
| 521 | |
| 522 FilePath FilePath::AppendASCII(StringPiece component) const { | |
| 523 DCHECK(base::IsStringASCII(component)); | |
| 524 #if defined(OS_WIN) | |
| 525 return Append(ASCIIToUTF16(component)); | |
| 526 #elif defined(OS_POSIX) | |
| 527 return Append(component); | |
| 528 #endif | |
| 529 } | |
| 530 | |
| 531 bool FilePath::IsAbsolute() const { | |
| 532 return IsPathAbsolute(path_); | |
| 533 } | |
| 534 | |
| 535 bool FilePath::EndsWithSeparator() const { | |
| 536 if (empty()) | |
| 537 return false; | |
| 538 return IsSeparator(path_[path_.size() - 1]); | |
| 539 } | |
| 540 | |
| 541 FilePath FilePath::AsEndingWithSeparator() const { | |
| 542 if (EndsWithSeparator() || path_.empty()) | |
| 543 return *this; | |
| 544 | |
| 545 StringType path_str; | |
| 546 path_str.reserve(path_.length() + 1); // Only allocate string once. | |
| 547 | |
| 548 path_str = path_; | |
| 549 path_str.append(&kSeparators[0], 1); | |
| 550 return FilePath(path_str); | |
| 551 } | |
| 552 | |
| 553 FilePath FilePath::StripTrailingSeparators() const { | |
| 554 FilePath new_path(path_); | |
| 555 new_path.StripTrailingSeparatorsInternal(); | |
| 556 | |
| 557 return new_path; | |
| 558 } | |
| 559 | |
| 560 bool FilePath::ReferencesParent() const { | |
| 561 std::vector<StringType> components; | |
| 562 GetComponents(&components); | |
| 563 | |
| 564 std::vector<StringType>::const_iterator it = components.begin(); | |
| 565 for (; it != components.end(); ++it) { | |
| 566 const StringType& component = *it; | |
| 567 // Windows has odd, undocumented behavior with path components containing | |
| 568 // only whitespace and . characters. So, if all we see is . and | |
| 569 // whitespace, then we treat any .. sequence as referencing parent. | |
| 570 // For simplicity we enforce this on all platforms. | |
| 571 if (component.find_first_not_of(FILE_PATH_LITERAL(". \n\r\t")) == | |
| 572 std::string::npos && | |
| 573 component.find(kParentDirectory) != std::string::npos) { | |
| 574 return true; | |
| 575 } | |
| 576 } | |
| 577 return false; | |
| 578 } | |
| 579 | |
| 580 #if defined(OS_POSIX) | |
| 581 // See file_path.h for a discussion of the encoding of paths on POSIX | |
| 582 // platforms. These encoding conversion functions are not quite correct. | |
| 583 | |
| 584 string16 FilePath::LossyDisplayName() const { | |
| 585 return WideToUTF16(SysNativeMBToWide(path_)); | |
| 586 } | |
| 587 | |
| 588 std::string FilePath::MaybeAsASCII() const { | |
| 589 if (base::IsStringASCII(path_)) | |
| 590 return path_; | |
| 591 return std::string(); | |
| 592 } | |
| 593 | |
| 594 std::string FilePath::AsUTF8Unsafe() const { | |
| 595 #if defined(SYSTEM_NATIVE_UTF8) | |
| 596 return value(); | |
| 597 #else | |
| 598 return WideToUTF8(SysNativeMBToWide(value())); | |
| 599 #endif | |
| 600 } | |
| 601 | |
| 602 string16 FilePath::AsUTF16Unsafe() const { | |
| 603 #if defined(SYSTEM_NATIVE_UTF8) | |
| 604 return UTF8ToUTF16(value()); | |
| 605 #else | |
| 606 return WideToUTF16(SysNativeMBToWide(value())); | |
| 607 #endif | |
| 608 } | |
| 609 | |
| 610 // static | |
| 611 FilePath FilePath::FromUTF8Unsafe(const std::string& utf8) { | |
| 612 #if defined(SYSTEM_NATIVE_UTF8) | |
| 613 return FilePath(utf8); | |
| 614 #else | |
| 615 return FilePath(SysWideToNativeMB(UTF8ToWide(utf8))); | |
| 616 #endif | |
| 617 } | |
| 618 | |
| 619 // static | |
| 620 FilePath FilePath::FromUTF16Unsafe(const string16& utf16) { | |
| 621 #if defined(SYSTEM_NATIVE_UTF8) | |
| 622 return FilePath(UTF16ToUTF8(utf16)); | |
| 623 #else | |
| 624 return FilePath(SysWideToNativeMB(UTF16ToWide(utf16))); | |
| 625 #endif | |
| 626 } | |
| 627 | |
| 628 #elif defined(OS_WIN) | |
| 629 string16 FilePath::LossyDisplayName() const { | |
| 630 return path_; | |
| 631 } | |
| 632 | |
| 633 std::string FilePath::MaybeAsASCII() const { | |
| 634 if (base::IsStringASCII(path_)) | |
| 635 return UTF16ToASCII(path_); | |
| 636 return std::string(); | |
| 637 } | |
| 638 | |
| 639 std::string FilePath::AsUTF8Unsafe() const { | |
| 640 return WideToUTF8(value()); | |
| 641 } | |
| 642 | |
| 643 string16 FilePath::AsUTF16Unsafe() const { | |
| 644 return value(); | |
| 645 } | |
| 646 | |
| 647 // static | |
| 648 FilePath FilePath::FromUTF8Unsafe(const std::string& utf8) { | |
| 649 return FilePath(UTF8ToWide(utf8)); | |
| 650 } | |
| 651 | |
| 652 // static | |
| 653 FilePath FilePath::FromUTF16Unsafe(const string16& utf16) { | |
| 654 return FilePath(utf16); | |
| 655 } | |
| 656 #endif | |
| 657 | |
| 658 void FilePath::WriteToPickle(Pickle* pickle) const { | |
| 659 #if defined(OS_WIN) | |
| 660 pickle->WriteString16(path_); | |
| 661 #else | |
| 662 pickle->WriteString(path_); | |
| 663 #endif | |
| 664 } | |
| 665 | |
| 666 bool FilePath::ReadFromPickle(PickleIterator* iter) { | |
| 667 #if defined(OS_WIN) | |
| 668 if (!iter->ReadString16(&path_)) | |
| 669 return false; | |
| 670 #else | |
| 671 if (!iter->ReadString(&path_)) | |
| 672 return false; | |
| 673 #endif | |
| 674 | |
| 675 if (path_.find(kStringTerminator) != StringType::npos) | |
| 676 return false; | |
| 677 | |
| 678 return true; | |
| 679 } | |
| 680 | |
| 681 #if defined(OS_WIN) | |
| 682 // Windows specific implementation of file string comparisons. | |
| 683 | |
| 684 int FilePath::CompareIgnoreCase(StringPieceType string1, | |
| 685 StringPieceType string2) { | |
| 686 // Perform character-wise upper case comparison rather than using the | |
| 687 // fully Unicode-aware CompareString(). For details see: | |
| 688 // http://blogs.msdn.com/michkap/archive/2005/10/17/481600.aspx | |
| 689 StringPieceType::const_iterator i1 = string1.begin(); | |
| 690 StringPieceType::const_iterator i2 = string2.begin(); | |
| 691 StringPieceType::const_iterator string1end = string1.end(); | |
| 692 StringPieceType::const_iterator string2end = string2.end(); | |
| 693 for ( ; i1 != string1end && i2 != string2end; ++i1, ++i2) { | |
| 694 wchar_t c1 = | |
| 695 (wchar_t)LOWORD(::CharUpperW((LPWSTR)(DWORD_PTR)MAKELONG(*i1, 0))); | |
| 696 wchar_t c2 = | |
| 697 (wchar_t)LOWORD(::CharUpperW((LPWSTR)(DWORD_PTR)MAKELONG(*i2, 0))); | |
| 698 if (c1 < c2) | |
| 699 return -1; | |
| 700 if (c1 > c2) | |
| 701 return 1; | |
| 702 } | |
| 703 if (i1 != string1end) | |
| 704 return 1; | |
| 705 if (i2 != string2end) | |
| 706 return -1; | |
| 707 return 0; | |
| 708 } | |
| 709 | |
| 710 #elif defined(OS_MACOSX) | |
| 711 // Mac OS X specific implementation of file string comparisons. | |
| 712 | |
| 713 // cf. http://developer.apple.com/mac/library/technotes/tn/tn1150.html#UnicodeSu
btleties | |
| 714 // | |
| 715 // "When using CreateTextEncoding to create a text encoding, you should set | |
| 716 // the TextEncodingBase to kTextEncodingUnicodeV2_0, set the | |
| 717 // TextEncodingVariant to kUnicodeCanonicalDecompVariant, and set the | |
| 718 // TextEncodingFormat to kUnicode16BitFormat. Using these values ensures that | |
| 719 // the Unicode will be in the same form as on an HFS Plus volume, even as the | |
| 720 // Unicode standard evolves." | |
| 721 // | |
| 722 // Another technical article for X 10.4 updates this: one should use | |
| 723 // the new (unambiguous) kUnicodeHFSPlusDecompVariant. | |
| 724 // cf. http://developer.apple.com/mac/library/releasenotes/TextFonts/RN-TEC/inde
x.html | |
| 725 // | |
| 726 // This implementation uses CFStringGetFileSystemRepresentation() to get the | |
| 727 // decomposed form, and an adapted version of the FastUnicodeCompare as | |
| 728 // described in the tech note to compare the strings. | |
| 729 | |
| 730 // Character conversion table for FastUnicodeCompare() | |
| 731 // | |
| 732 // The lower case table consists of a 256-entry high-byte table followed by | |
| 733 // some number of 256-entry subtables. The high-byte table contains either an | |
| 734 // offset to the subtable for characters with that high byte or zero, which | |
| 735 // means that there are no case mappings or ignored characters in that block. | |
| 736 // Ignored characters are mapped to zero. | |
| 737 // | |
| 738 // cf. downloadable file linked in | |
| 739 // http://developer.apple.com/mac/library/technotes/tn/tn1150.html#StringCompari
sonAlgorithm | |
| 740 | |
| 741 namespace { | |
| 742 | |
| 743 const UInt16 lower_case_table[] = { | |
| 744 // High-byte indices ( == 0 iff no case mapping and no ignorables ) | |
| 745 | |
| 746 /* 0 */ 0x0100, 0x0200, 0x0000, 0x0300, 0x0400, 0x0500, 0x0000, 0x0000, | |
| 747 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, | |
| 748 /* 1 */ 0x0600, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, | |
| 749 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, | |
| 750 /* 2 */ 0x0700, 0x0800, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, | |
| 751 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, | |
| 752 /* 3 */ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, | |
| 753 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, | |
| 754 /* 4 */ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, | |
| 755 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, | |
| 756 /* 5 */ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, | |
| 757 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, | |
| 758 /* 6 */ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, | |
| 759 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, | |
| 760 /* 7 */ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, | |
| 761 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, | |
| 762 /* 8 */ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, | |
| 763 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, | |
| 764 /* 9 */ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, | |
| 765 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, | |
| 766 /* A */ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, | |
| 767 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, | |
| 768 /* B */ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, | |
| 769 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, | |
| 770 /* C */ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, | |
| 771 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, | |
| 772 /* D */ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, | |
| 773 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, | |
| 774 /* E */ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, | |
| 775 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, | |
| 776 /* F */ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, | |
| 777 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0900, 0x0A00, | |
| 778 | |
| 779 // Table 1 (for high byte 0x00) | |
| 780 | |
| 781 /* 0 */ 0xFFFF, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, | |
| 782 0x0008, 0x0009, 0x000A, 0x000B, 0x000C, 0x000D, 0x000E, 0x000F, | |
| 783 /* 1 */ 0x0010, 0x0011, 0x0012, 0x0013, 0x0014, 0x0015, 0x0016, 0x0017, | |
| 784 0x0018, 0x0019, 0x001A, 0x001B, 0x001C, 0x001D, 0x001E, 0x001F, | |
| 785 /* 2 */ 0x0020, 0x0021, 0x0022, 0x0023, 0x0024, 0x0025, 0x0026, 0x0027, | |
| 786 0x0028, 0x0029, 0x002A, 0x002B, 0x002C, 0x002D, 0x002E, 0x002F, | |
| 787 /* 3 */ 0x0030, 0x0031, 0x0032, 0x0033, 0x0034, 0x0035, 0x0036, 0x0037, | |
| 788 0x0038, 0x0039, 0x003A, 0x003B, 0x003C, 0x003D, 0x003E, 0x003F, | |
| 789 /* 4 */ 0x0040, 0x0061, 0x0062, 0x0063, 0x0064, 0x0065, 0x0066, 0x0067, | |
| 790 0x0068, 0x0069, 0x006A, 0x006B, 0x006C, 0x006D, 0x006E, 0x006F, | |
| 791 /* 5 */ 0x0070, 0x0071, 0x0072, 0x0073, 0x0074, 0x0075, 0x0076, 0x0077, | |
| 792 0x0078, 0x0079, 0x007A, 0x005B, 0x005C, 0x005D, 0x005E, 0x005F, | |
| 793 /* 6 */ 0x0060, 0x0061, 0x0062, 0x0063, 0x0064, 0x0065, 0x0066, 0x0067, | |
| 794 0x0068, 0x0069, 0x006A, 0x006B, 0x006C, 0x006D, 0x006E, 0x006F, | |
| 795 /* 7 */ 0x0070, 0x0071, 0x0072, 0x0073, 0x0074, 0x0075, 0x0076, 0x0077, | |
| 796 0x0078, 0x0079, 0x007A, 0x007B, 0x007C, 0x007D, 0x007E, 0x007F, | |
| 797 /* 8 */ 0x0080, 0x0081, 0x0082, 0x0083, 0x0084, 0x0085, 0x0086, 0x0087, | |
| 798 0x0088, 0x0089, 0x008A, 0x008B, 0x008C, 0x008D, 0x008E, 0x008F, | |
| 799 /* 9 */ 0x0090, 0x0091, 0x0092, 0x0093, 0x0094, 0x0095, 0x0096, 0x0097, | |
| 800 0x0098, 0x0099, 0x009A, 0x009B, 0x009C, 0x009D, 0x009E, 0x009F, | |
| 801 /* A */ 0x00A0, 0x00A1, 0x00A2, 0x00A3, 0x00A4, 0x00A5, 0x00A6, 0x00A7, | |
| 802 0x00A8, 0x00A9, 0x00AA, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x00AF, | |
| 803 /* B */ 0x00B0, 0x00B1, 0x00B2, 0x00B3, 0x00B4, 0x00B5, 0x00B6, 0x00B7, | |
| 804 0x00B8, 0x00B9, 0x00BA, 0x00BB, 0x00BC, 0x00BD, 0x00BE, 0x00BF, | |
| 805 /* C */ 0x00C0, 0x00C1, 0x00C2, 0x00C3, 0x00C4, 0x00C5, 0x00E6, 0x00C7, | |
| 806 0x00C8, 0x00C9, 0x00CA, 0x00CB, 0x00CC, 0x00CD, 0x00CE, 0x00CF, | |
| 807 /* D */ 0x00F0, 0x00D1, 0x00D2, 0x00D3, 0x00D4, 0x00D5, 0x00D6, 0x00D7, | |
| 808 0x00F8, 0x00D9, 0x00DA, 0x00DB, 0x00DC, 0x00DD, 0x00FE, 0x00DF, | |
| 809 /* E */ 0x00E0, 0x00E1, 0x00E2, 0x00E3, 0x00E4, 0x00E5, 0x00E6, 0x00E7, | |
| 810 0x00E8, 0x00E9, 0x00EA, 0x00EB, 0x00EC, 0x00ED, 0x00EE, 0x00EF, | |
| 811 /* F */ 0x00F0, 0x00F1, 0x00F2, 0x00F3, 0x00F4, 0x00F5, 0x00F6, 0x00F7, | |
| 812 0x00F8, 0x00F9, 0x00FA, 0x00FB, 0x00FC, 0x00FD, 0x00FE, 0x00FF, | |
| 813 | |
| 814 // Table 2 (for high byte 0x01) | |
| 815 | |
| 816 /* 0 */ 0x0100, 0x0101, 0x0102, 0x0103, 0x0104, 0x0105, 0x0106, 0x0107, | |
| 817 0x0108, 0x0109, 0x010A, 0x010B, 0x010C, 0x010D, 0x010E, 0x010F, | |
| 818 /* 1 */ 0x0111, 0x0111, 0x0112, 0x0113, 0x0114, 0x0115, 0x0116, 0x0117, | |
| 819 0x0118, 0x0119, 0x011A, 0x011B, 0x011C, 0x011D, 0x011E, 0x011F, | |
| 820 /* 2 */ 0x0120, 0x0121, 0x0122, 0x0123, 0x0124, 0x0125, 0x0127, 0x0127, | |
| 821 0x0128, 0x0129, 0x012A, 0x012B, 0x012C, 0x012D, 0x012E, 0x012F, | |
| 822 /* 3 */ 0x0130, 0x0131, 0x0133, 0x0133, 0x0134, 0x0135, 0x0136, 0x0137, | |
| 823 0x0138, 0x0139, 0x013A, 0x013B, 0x013C, 0x013D, 0x013E, 0x0140, | |
| 824 /* 4 */ 0x0140, 0x0142, 0x0142, 0x0143, 0x0144, 0x0145, 0x0146, 0x0147, | |
| 825 0x0148, 0x0149, 0x014B, 0x014B, 0x014C, 0x014D, 0x014E, 0x014F, | |
| 826 /* 5 */ 0x0150, 0x0151, 0x0153, 0x0153, 0x0154, 0x0155, 0x0156, 0x0157, | |
| 827 0x0158, 0x0159, 0x015A, 0x015B, 0x015C, 0x015D, 0x015E, 0x015F, | |
| 828 /* 6 */ 0x0160, 0x0161, 0x0162, 0x0163, 0x0164, 0x0165, 0x0167, 0x0167, | |
| 829 0x0168, 0x0169, 0x016A, 0x016B, 0x016C, 0x016D, 0x016E, 0x016F, | |
| 830 /* 7 */ 0x0170, 0x0171, 0x0172, 0x0173, 0x0174, 0x0175, 0x0176, 0x0177, | |
| 831 0x0178, 0x0179, 0x017A, 0x017B, 0x017C, 0x017D, 0x017E, 0x017F, | |
| 832 /* 8 */ 0x0180, 0x0253, 0x0183, 0x0183, 0x0185, 0x0185, 0x0254, 0x0188, | |
| 833 0x0188, 0x0256, 0x0257, 0x018C, 0x018C, 0x018D, 0x01DD, 0x0259, | |
| 834 /* 9 */ 0x025B, 0x0192, 0x0192, 0x0260, 0x0263, 0x0195, 0x0269, 0x0268, | |
| 835 0x0199, 0x0199, 0x019A, 0x019B, 0x026F, 0x0272, 0x019E, 0x0275, | |
| 836 /* A */ 0x01A0, 0x01A1, 0x01A3, 0x01A3, 0x01A5, 0x01A5, 0x01A6, 0x01A8, | |
| 837 0x01A8, 0x0283, 0x01AA, 0x01AB, 0x01AD, 0x01AD, 0x0288, 0x01AF, | |
| 838 /* B */ 0x01B0, 0x028A, 0x028B, 0x01B4, 0x01B4, 0x01B6, 0x01B6, 0x0292, | |
| 839 0x01B9, 0x01B9, 0x01BA, 0x01BB, 0x01BD, 0x01BD, 0x01BE, 0x01BF, | |
| 840 /* C */ 0x01C0, 0x01C1, 0x01C2, 0x01C3, 0x01C6, 0x01C6, 0x01C6, 0x01C9, | |
| 841 0x01C9, 0x01C9, 0x01CC, 0x01CC, 0x01CC, 0x01CD, 0x01CE, 0x01CF, | |
| 842 /* D */ 0x01D0, 0x01D1, 0x01D2, 0x01D3, 0x01D4, 0x01D5, 0x01D6, 0x01D7, | |
| 843 0x01D8, 0x01D9, 0x01DA, 0x01DB, 0x01DC, 0x01DD, 0x01DE, 0x01DF, | |
| 844 /* E */ 0x01E0, 0x01E1, 0x01E2, 0x01E3, 0x01E5, 0x01E5, 0x01E6, 0x01E7, | |
| 845 0x01E8, 0x01E9, 0x01EA, 0x01EB, 0x01EC, 0x01ED, 0x01EE, 0x01EF, | |
| 846 /* F */ 0x01F0, 0x01F3, 0x01F3, 0x01F3, 0x01F4, 0x01F5, 0x01F6, 0x01F7, | |
| 847 0x01F8, 0x01F9, 0x01FA, 0x01FB, 0x01FC, 0x01FD, 0x01FE, 0x01FF, | |
| 848 | |
| 849 // Table 3 (for high byte 0x03) | |
| 850 | |
| 851 /* 0 */ 0x0300, 0x0301, 0x0302, 0x0303, 0x0304, 0x0305, 0x0306, 0x0307, | |
| 852 0x0308, 0x0309, 0x030A, 0x030B, 0x030C, 0x030D, 0x030E, 0x030F, | |
| 853 /* 1 */ 0x0310, 0x0311, 0x0312, 0x0313, 0x0314, 0x0315, 0x0316, 0x0317, | |
| 854 0x0318, 0x0319, 0x031A, 0x031B, 0x031C, 0x031D, 0x031E, 0x031F, | |
| 855 /* 2 */ 0x0320, 0x0321, 0x0322, 0x0323, 0x0324, 0x0325, 0x0326, 0x0327, | |
| 856 0x0328, 0x0329, 0x032A, 0x032B, 0x032C, 0x032D, 0x032E, 0x032F, | |
| 857 /* 3 */ 0x0330, 0x0331, 0x0332, 0x0333, 0x0334, 0x0335, 0x0336, 0x0337, | |
| 858 0x0338, 0x0339, 0x033A, 0x033B, 0x033C, 0x033D, 0x033E, 0x033F, | |
| 859 /* 4 */ 0x0340, 0x0341, 0x0342, 0x0343, 0x0344, 0x0345, 0x0346, 0x0347, | |
| 860 0x0348, 0x0349, 0x034A, 0x034B, 0x034C, 0x034D, 0x034E, 0x034F, | |
| 861 /* 5 */ 0x0350, 0x0351, 0x0352, 0x0353, 0x0354, 0x0355, 0x0356, 0x0357, | |
| 862 0x0358, 0x0359, 0x035A, 0x035B, 0x035C, 0x035D, 0x035E, 0x035F, | |
| 863 /* 6 */ 0x0360, 0x0361, 0x0362, 0x0363, 0x0364, 0x0365, 0x0366, 0x0367, | |
| 864 0x0368, 0x0369, 0x036A, 0x036B, 0x036C, 0x036D, 0x036E, 0x036F, | |
| 865 /* 7 */ 0x0370, 0x0371, 0x0372, 0x0373, 0x0374, 0x0375, 0x0376, 0x0377, | |
| 866 0x0378, 0x0379, 0x037A, 0x037B, 0x037C, 0x037D, 0x037E, 0x037F, | |
| 867 /* 8 */ 0x0380, 0x0381, 0x0382, 0x0383, 0x0384, 0x0385, 0x0386, 0x0387, | |
| 868 0x0388, 0x0389, 0x038A, 0x038B, 0x038C, 0x038D, 0x038E, 0x038F, | |
| 869 /* 9 */ 0x0390, 0x03B1, 0x03B2, 0x03B3, 0x03B4, 0x03B5, 0x03B6, 0x03B7, | |
| 870 0x03B8, 0x03B9, 0x03BA, 0x03BB, 0x03BC, 0x03BD, 0x03BE, 0x03BF, | |
| 871 /* A */ 0x03C0, 0x03C1, 0x03A2, 0x03C3, 0x03C4, 0x03C5, 0x03C6, 0x03C7, | |
| 872 0x03C8, 0x03C9, 0x03AA, 0x03AB, 0x03AC, 0x03AD, 0x03AE, 0x03AF, | |
| 873 /* B */ 0x03B0, 0x03B1, 0x03B2, 0x03B3, 0x03B4, 0x03B5, 0x03B6, 0x03B7, | |
| 874 0x03B8, 0x03B9, 0x03BA, 0x03BB, 0x03BC, 0x03BD, 0x03BE, 0x03BF, | |
| 875 /* C */ 0x03C0, 0x03C1, 0x03C2, 0x03C3, 0x03C4, 0x03C5, 0x03C6, 0x03C7, | |
| 876 0x03C8, 0x03C9, 0x03CA, 0x03CB, 0x03CC, 0x03CD, 0x03CE, 0x03CF, | |
| 877 /* D */ 0x03D0, 0x03D1, 0x03D2, 0x03D3, 0x03D4, 0x03D5, 0x03D6, 0x03D7, | |
| 878 0x03D8, 0x03D9, 0x03DA, 0x03DB, 0x03DC, 0x03DD, 0x03DE, 0x03DF, | |
| 879 /* E */ 0x03E0, 0x03E1, 0x03E3, 0x03E3, 0x03E5, 0x03E5, 0x03E7, 0x03E7, | |
| 880 0x03E9, 0x03E9, 0x03EB, 0x03EB, 0x03ED, 0x03ED, 0x03EF, 0x03EF, | |
| 881 /* F */ 0x03F0, 0x03F1, 0x03F2, 0x03F3, 0x03F4, 0x03F5, 0x03F6, 0x03F7, | |
| 882 0x03F8, 0x03F9, 0x03FA, 0x03FB, 0x03FC, 0x03FD, 0x03FE, 0x03FF, | |
| 883 | |
| 884 // Table 4 (for high byte 0x04) | |
| 885 | |
| 886 /* 0 */ 0x0400, 0x0401, 0x0452, 0x0403, 0x0454, 0x0455, 0x0456, 0x0407, | |
| 887 0x0458, 0x0459, 0x045A, 0x045B, 0x040C, 0x040D, 0x040E, 0x045F, | |
| 888 /* 1 */ 0x0430, 0x0431, 0x0432, 0x0433, 0x0434, 0x0435, 0x0436, 0x0437, | |
| 889 0x0438, 0x0419, 0x043A, 0x043B, 0x043C, 0x043D, 0x043E, 0x043F, | |
| 890 /* 2 */ 0x0440, 0x0441, 0x0442, 0x0443, 0x0444, 0x0445, 0x0446, 0x0447, | |
| 891 0x0448, 0x0449, 0x044A, 0x044B, 0x044C, 0x044D, 0x044E, 0x044F, | |
| 892 /* 3 */ 0x0430, 0x0431, 0x0432, 0x0433, 0x0434, 0x0435, 0x0436, 0x0437, | |
| 893 0x0438, 0x0439, 0x043A, 0x043B, 0x043C, 0x043D, 0x043E, 0x043F, | |
| 894 /* 4 */ 0x0440, 0x0441, 0x0442, 0x0443, 0x0444, 0x0445, 0x0446, 0x0447, | |
| 895 0x0448, 0x0449, 0x044A, 0x044B, 0x044C, 0x044D, 0x044E, 0x044F, | |
| 896 /* 5 */ 0x0450, 0x0451, 0x0452, 0x0453, 0x0454, 0x0455, 0x0456, 0x0457, | |
| 897 0x0458, 0x0459, 0x045A, 0x045B, 0x045C, 0x045D, 0x045E, 0x045F, | |
| 898 /* 6 */ 0x0461, 0x0461, 0x0463, 0x0463, 0x0465, 0x0465, 0x0467, 0x0467, | |
| 899 0x0469, 0x0469, 0x046B, 0x046B, 0x046D, 0x046D, 0x046F, 0x046F, | |
| 900 /* 7 */ 0x0471, 0x0471, 0x0473, 0x0473, 0x0475, 0x0475, 0x0476, 0x0477, | |
| 901 0x0479, 0x0479, 0x047B, 0x047B, 0x047D, 0x047D, 0x047F, 0x047F, | |
| 902 /* 8 */ 0x0481, 0x0481, 0x0482, 0x0483, 0x0484, 0x0485, 0x0486, 0x0487, | |
| 903 0x0488, 0x0489, 0x048A, 0x048B, 0x048C, 0x048D, 0x048E, 0x048F, | |
| 904 /* 9 */ 0x0491, 0x0491, 0x0493, 0x0493, 0x0495, 0x0495, 0x0497, 0x0497, | |
| 905 0x0499, 0x0499, 0x049B, 0x049B, 0x049D, 0x049D, 0x049F, 0x049F, | |
| 906 /* A */ 0x04A1, 0x04A1, 0x04A3, 0x04A3, 0x04A5, 0x04A5, 0x04A7, 0x04A7, | |
| 907 0x04A9, 0x04A9, 0x04AB, 0x04AB, 0x04AD, 0x04AD, 0x04AF, 0x04AF, | |
| 908 /* B */ 0x04B1, 0x04B1, 0x04B3, 0x04B3, 0x04B5, 0x04B5, 0x04B7, 0x04B7, | |
| 909 0x04B9, 0x04B9, 0x04BB, 0x04BB, 0x04BD, 0x04BD, 0x04BF, 0x04BF, | |
| 910 /* C */ 0x04C0, 0x04C1, 0x04C2, 0x04C4, 0x04C4, 0x04C5, 0x04C6, 0x04C8, | |
| 911 0x04C8, 0x04C9, 0x04CA, 0x04CC, 0x04CC, 0x04CD, 0x04CE, 0x04CF, | |
| 912 /* D */ 0x04D0, 0x04D1, 0x04D2, 0x04D3, 0x04D4, 0x04D5, 0x04D6, 0x04D7, | |
| 913 0x04D8, 0x04D9, 0x04DA, 0x04DB, 0x04DC, 0x04DD, 0x04DE, 0x04DF, | |
| 914 /* E */ 0x04E0, 0x04E1, 0x04E2, 0x04E3, 0x04E4, 0x04E5, 0x04E6, 0x04E7, | |
| 915 0x04E8, 0x04E9, 0x04EA, 0x04EB, 0x04EC, 0x04ED, 0x04EE, 0x04EF, | |
| 916 /* F */ 0x04F0, 0x04F1, 0x04F2, 0x04F3, 0x04F4, 0x04F5, 0x04F6, 0x04F7, | |
| 917 0x04F8, 0x04F9, 0x04FA, 0x04FB, 0x04FC, 0x04FD, 0x04FE, 0x04FF, | |
| 918 | |
| 919 // Table 5 (for high byte 0x05) | |
| 920 | |
| 921 /* 0 */ 0x0500, 0x0501, 0x0502, 0x0503, 0x0504, 0x0505, 0x0506, 0x0507, | |
| 922 0x0508, 0x0509, 0x050A, 0x050B, 0x050C, 0x050D, 0x050E, 0x050F, | |
| 923 /* 1 */ 0x0510, 0x0511, 0x0512, 0x0513, 0x0514, 0x0515, 0x0516, 0x0517, | |
| 924 0x0518, 0x0519, 0x051A, 0x051B, 0x051C, 0x051D, 0x051E, 0x051F, | |
| 925 /* 2 */ 0x0520, 0x0521, 0x0522, 0x0523, 0x0524, 0x0525, 0x0526, 0x0527, | |
| 926 0x0528, 0x0529, 0x052A, 0x052B, 0x052C, 0x052D, 0x052E, 0x052F, | |
| 927 /* 3 */ 0x0530, 0x0561, 0x0562, 0x0563, 0x0564, 0x0565, 0x0566, 0x0567, | |
| 928 0x0568, 0x0569, 0x056A, 0x056B, 0x056C, 0x056D, 0x056E, 0x056F, | |
| 929 /* 4 */ 0x0570, 0x0571, 0x0572, 0x0573, 0x0574, 0x0575, 0x0576, 0x0577, | |
| 930 0x0578, 0x0579, 0x057A, 0x057B, 0x057C, 0x057D, 0x057E, 0x057F, | |
| 931 /* 5 */ 0x0580, 0x0581, 0x0582, 0x0583, 0x0584, 0x0585, 0x0586, 0x0557, | |
| 932 0x0558, 0x0559, 0x055A, 0x055B, 0x055C, 0x055D, 0x055E, 0x055F, | |
| 933 /* 6 */ 0x0560, 0x0561, 0x0562, 0x0563, 0x0564, 0x0565, 0x0566, 0x0567, | |
| 934 0x0568, 0x0569, 0x056A, 0x056B, 0x056C, 0x056D, 0x056E, 0x056F, | |
| 935 /* 7 */ 0x0570, 0x0571, 0x0572, 0x0573, 0x0574, 0x0575, 0x0576, 0x0577, | |
| 936 0x0578, 0x0579, 0x057A, 0x057B, 0x057C, 0x057D, 0x057E, 0x057F, | |
| 937 /* 8 */ 0x0580, 0x0581, 0x0582, 0x0583, 0x0584, 0x0585, 0x0586, 0x0587, | |
| 938 0x0588, 0x0589, 0x058A, 0x058B, 0x058C, 0x058D, 0x058E, 0x058F, | |
| 939 /* 9 */ 0x0590, 0x0591, 0x0592, 0x0593, 0x0594, 0x0595, 0x0596, 0x0597, | |
| 940 0x0598, 0x0599, 0x059A, 0x059B, 0x059C, 0x059D, 0x059E, 0x059F, | |
| 941 /* A */ 0x05A0, 0x05A1, 0x05A2, 0x05A3, 0x05A4, 0x05A5, 0x05A6, 0x05A7, | |
| 942 0x05A8, 0x05A9, 0x05AA, 0x05AB, 0x05AC, 0x05AD, 0x05AE, 0x05AF, | |
| 943 /* B */ 0x05B0, 0x05B1, 0x05B2, 0x05B3, 0x05B4, 0x05B5, 0x05B6, 0x05B7, | |
| 944 0x05B8, 0x05B9, 0x05BA, 0x05BB, 0x05BC, 0x05BD, 0x05BE, 0x05BF, | |
| 945 /* C */ 0x05C0, 0x05C1, 0x05C2, 0x05C3, 0x05C4, 0x05C5, 0x05C6, 0x05C7, | |
| 946 0x05C8, 0x05C9, 0x05CA, 0x05CB, 0x05CC, 0x05CD, 0x05CE, 0x05CF, | |
| 947 /* D */ 0x05D0, 0x05D1, 0x05D2, 0x05D3, 0x05D4, 0x05D5, 0x05D6, 0x05D7, | |
| 948 0x05D8, 0x05D9, 0x05DA, 0x05DB, 0x05DC, 0x05DD, 0x05DE, 0x05DF, | |
| 949 /* E */ 0x05E0, 0x05E1, 0x05E2, 0x05E3, 0x05E4, 0x05E5, 0x05E6, 0x05E7, | |
| 950 0x05E8, 0x05E9, 0x05EA, 0x05EB, 0x05EC, 0x05ED, 0x05EE, 0x05EF, | |
| 951 /* F */ 0x05F0, 0x05F1, 0x05F2, 0x05F3, 0x05F4, 0x05F5, 0x05F6, 0x05F7, | |
| 952 0x05F8, 0x05F9, 0x05FA, 0x05FB, 0x05FC, 0x05FD, 0x05FE, 0x05FF, | |
| 953 | |
| 954 // Table 6 (for high byte 0x10) | |
| 955 | |
| 956 /* 0 */ 0x1000, 0x1001, 0x1002, 0x1003, 0x1004, 0x1005, 0x1006, 0x1007, | |
| 957 0x1008, 0x1009, 0x100A, 0x100B, 0x100C, 0x100D, 0x100E, 0x100F, | |
| 958 /* 1 */ 0x1010, 0x1011, 0x1012, 0x1013, 0x1014, 0x1015, 0x1016, 0x1017, | |
| 959 0x1018, 0x1019, 0x101A, 0x101B, 0x101C, 0x101D, 0x101E, 0x101F, | |
| 960 /* 2 */ 0x1020, 0x1021, 0x1022, 0x1023, 0x1024, 0x1025, 0x1026, 0x1027, | |
| 961 0x1028, 0x1029, 0x102A, 0x102B, 0x102C, 0x102D, 0x102E, 0x102F, | |
| 962 /* 3 */ 0x1030, 0x1031, 0x1032, 0x1033, 0x1034, 0x1035, 0x1036, 0x1037, | |
| 963 0x1038, 0x1039, 0x103A, 0x103B, 0x103C, 0x103D, 0x103E, 0x103F, | |
| 964 /* 4 */ 0x1040, 0x1041, 0x1042, 0x1043, 0x1044, 0x1045, 0x1046, 0x1047, | |
| 965 0x1048, 0x1049, 0x104A, 0x104B, 0x104C, 0x104D, 0x104E, 0x104F, | |
| 966 /* 5 */ 0x1050, 0x1051, 0x1052, 0x1053, 0x1054, 0x1055, 0x1056, 0x1057, | |
| 967 0x1058, 0x1059, 0x105A, 0x105B, 0x105C, 0x105D, 0x105E, 0x105F, | |
| 968 /* 6 */ 0x1060, 0x1061, 0x1062, 0x1063, 0x1064, 0x1065, 0x1066, 0x1067, | |
| 969 0x1068, 0x1069, 0x106A, 0x106B, 0x106C, 0x106D, 0x106E, 0x106F, | |
| 970 /* 7 */ 0x1070, 0x1071, 0x1072, 0x1073, 0x1074, 0x1075, 0x1076, 0x1077, | |
| 971 0x1078, 0x1079, 0x107A, 0x107B, 0x107C, 0x107D, 0x107E, 0x107F, | |
| 972 /* 8 */ 0x1080, 0x1081, 0x1082, 0x1083, 0x1084, 0x1085, 0x1086, 0x1087, | |
| 973 0x1088, 0x1089, 0x108A, 0x108B, 0x108C, 0x108D, 0x108E, 0x108F, | |
| 974 /* 9 */ 0x1090, 0x1091, 0x1092, 0x1093, 0x1094, 0x1095, 0x1096, 0x1097, | |
| 975 0x1098, 0x1099, 0x109A, 0x109B, 0x109C, 0x109D, 0x109E, 0x109F, | |
| 976 /* A */ 0x10D0, 0x10D1, 0x10D2, 0x10D3, 0x10D4, 0x10D5, 0x10D6, 0x10D7, | |
| 977 0x10D8, 0x10D9, 0x10DA, 0x10DB, 0x10DC, 0x10DD, 0x10DE, 0x10DF, | |
| 978 /* B */ 0x10E0, 0x10E1, 0x10E2, 0x10E3, 0x10E4, 0x10E5, 0x10E6, 0x10E7, | |
| 979 0x10E8, 0x10E9, 0x10EA, 0x10EB, 0x10EC, 0x10ED, 0x10EE, 0x10EF, | |
| 980 /* C */ 0x10F0, 0x10F1, 0x10F2, 0x10F3, 0x10F4, 0x10F5, 0x10C6, 0x10C7, | |
| 981 0x10C8, 0x10C9, 0x10CA, 0x10CB, 0x10CC, 0x10CD, 0x10CE, 0x10CF, | |
| 982 /* D */ 0x10D0, 0x10D1, 0x10D2, 0x10D3, 0x10D4, 0x10D5, 0x10D6, 0x10D7, | |
| 983 0x10D8, 0x10D9, 0x10DA, 0x10DB, 0x10DC, 0x10DD, 0x10DE, 0x10DF, | |
| 984 /* E */ 0x10E0, 0x10E1, 0x10E2, 0x10E3, 0x10E4, 0x10E5, 0x10E6, 0x10E7, | |
| 985 0x10E8, 0x10E9, 0x10EA, 0x10EB, 0x10EC, 0x10ED, 0x10EE, 0x10EF, | |
| 986 /* F */ 0x10F0, 0x10F1, 0x10F2, 0x10F3, 0x10F4, 0x10F5, 0x10F6, 0x10F7, | |
| 987 0x10F8, 0x10F9, 0x10FA, 0x10FB, 0x10FC, 0x10FD, 0x10FE, 0x10FF, | |
| 988 | |
| 989 // Table 7 (for high byte 0x20) | |
| 990 | |
| 991 /* 0 */ 0x2000, 0x2001, 0x2002, 0x2003, 0x2004, 0x2005, 0x2006, 0x2007, | |
| 992 0x2008, 0x2009, 0x200A, 0x200B, 0x0000, 0x0000, 0x0000, 0x0000, | |
| 993 /* 1 */ 0x2010, 0x2011, 0x2012, 0x2013, 0x2014, 0x2015, 0x2016, 0x2017, | |
| 994 0x2018, 0x2019, 0x201A, 0x201B, 0x201C, 0x201D, 0x201E, 0x201F, | |
| 995 /* 2 */ 0x2020, 0x2021, 0x2022, 0x2023, 0x2024, 0x2025, 0x2026, 0x2027, | |
| 996 0x2028, 0x2029, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x202F, | |
| 997 /* 3 */ 0x2030, 0x2031, 0x2032, 0x2033, 0x2034, 0x2035, 0x2036, 0x2037, | |
| 998 0x2038, 0x2039, 0x203A, 0x203B, 0x203C, 0x203D, 0x203E, 0x203F, | |
| 999 /* 4 */ 0x2040, 0x2041, 0x2042, 0x2043, 0x2044, 0x2045, 0x2046, 0x2047, | |
| 1000 0x2048, 0x2049, 0x204A, 0x204B, 0x204C, 0x204D, 0x204E, 0x204F, | |
| 1001 /* 5 */ 0x2050, 0x2051, 0x2052, 0x2053, 0x2054, 0x2055, 0x2056, 0x2057, | |
| 1002 0x2058, 0x2059, 0x205A, 0x205B, 0x205C, 0x205D, 0x205E, 0x205F, | |
| 1003 /* 6 */ 0x2060, 0x2061, 0x2062, 0x2063, 0x2064, 0x2065, 0x2066, 0x2067, | |
| 1004 0x2068, 0x2069, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, | |
| 1005 /* 7 */ 0x2070, 0x2071, 0x2072, 0x2073, 0x2074, 0x2075, 0x2076, 0x2077, | |
| 1006 0x2078, 0x2079, 0x207A, 0x207B, 0x207C, 0x207D, 0x207E, 0x207F, | |
| 1007 /* 8 */ 0x2080, 0x2081, 0x2082, 0x2083, 0x2084, 0x2085, 0x2086, 0x2087, | |
| 1008 0x2088, 0x2089, 0x208A, 0x208B, 0x208C, 0x208D, 0x208E, 0x208F, | |
| 1009 /* 9 */ 0x2090, 0x2091, 0x2092, 0x2093, 0x2094, 0x2095, 0x2096, 0x2097, | |
| 1010 0x2098, 0x2099, 0x209A, 0x209B, 0x209C, 0x209D, 0x209E, 0x209F, | |
| 1011 /* A */ 0x20A0, 0x20A1, 0x20A2, 0x20A3, 0x20A4, 0x20A5, 0x20A6, 0x20A7, | |
| 1012 0x20A8, 0x20A9, 0x20AA, 0x20AB, 0x20AC, 0x20AD, 0x20AE, 0x20AF, | |
| 1013 /* B */ 0x20B0, 0x20B1, 0x20B2, 0x20B3, 0x20B4, 0x20B5, 0x20B6, 0x20B7, | |
| 1014 0x20B8, 0x20B9, 0x20BA, 0x20BB, 0x20BC, 0x20BD, 0x20BE, 0x20BF, | |
| 1015 /* C */ 0x20C0, 0x20C1, 0x20C2, 0x20C3, 0x20C4, 0x20C5, 0x20C6, 0x20C7, | |
| 1016 0x20C8, 0x20C9, 0x20CA, 0x20CB, 0x20CC, 0x20CD, 0x20CE, 0x20CF, | |
| 1017 /* D */ 0x20D0, 0x20D1, 0x20D2, 0x20D3, 0x20D4, 0x20D5, 0x20D6, 0x20D7, | |
| 1018 0x20D8, 0x20D9, 0x20DA, 0x20DB, 0x20DC, 0x20DD, 0x20DE, 0x20DF, | |
| 1019 /* E */ 0x20E0, 0x20E1, 0x20E2, 0x20E3, 0x20E4, 0x20E5, 0x20E6, 0x20E7, | |
| 1020 0x20E8, 0x20E9, 0x20EA, 0x20EB, 0x20EC, 0x20ED, 0x20EE, 0x20EF, | |
| 1021 /* F */ 0x20F0, 0x20F1, 0x20F2, 0x20F3, 0x20F4, 0x20F5, 0x20F6, 0x20F7, | |
| 1022 0x20F8, 0x20F9, 0x20FA, 0x20FB, 0x20FC, 0x20FD, 0x20FE, 0x20FF, | |
| 1023 | |
| 1024 // Table 8 (for high byte 0x21) | |
| 1025 | |
| 1026 /* 0 */ 0x2100, 0x2101, 0x2102, 0x2103, 0x2104, 0x2105, 0x2106, 0x2107, | |
| 1027 0x2108, 0x2109, 0x210A, 0x210B, 0x210C, 0x210D, 0x210E, 0x210F, | |
| 1028 /* 1 */ 0x2110, 0x2111, 0x2112, 0x2113, 0x2114, 0x2115, 0x2116, 0x2117, | |
| 1029 0x2118, 0x2119, 0x211A, 0x211B, 0x211C, 0x211D, 0x211E, 0x211F, | |
| 1030 /* 2 */ 0x2120, 0x2121, 0x2122, 0x2123, 0x2124, 0x2125, 0x2126, 0x2127, | |
| 1031 0x2128, 0x2129, 0x212A, 0x212B, 0x212C, 0x212D, 0x212E, 0x212F, | |
| 1032 /* 3 */ 0x2130, 0x2131, 0x2132, 0x2133, 0x2134, 0x2135, 0x2136, 0x2137, | |
| 1033 0x2138, 0x2139, 0x213A, 0x213B, 0x213C, 0x213D, 0x213E, 0x213F, | |
| 1034 /* 4 */ 0x2140, 0x2141, 0x2142, 0x2143, 0x2144, 0x2145, 0x2146, 0x2147, | |
| 1035 0x2148, 0x2149, 0x214A, 0x214B, 0x214C, 0x214D, 0x214E, 0x214F, | |
| 1036 /* 5 */ 0x2150, 0x2151, 0x2152, 0x2153, 0x2154, 0x2155, 0x2156, 0x2157, | |
| 1037 0x2158, 0x2159, 0x215A, 0x215B, 0x215C, 0x215D, 0x215E, 0x215F, | |
| 1038 /* 6 */ 0x2170, 0x2171, 0x2172, 0x2173, 0x2174, 0x2175, 0x2176, 0x2177, | |
| 1039 0x2178, 0x2179, 0x217A, 0x217B, 0x217C, 0x217D, 0x217E, 0x217F, | |
| 1040 /* 7 */ 0x2170, 0x2171, 0x2172, 0x2173, 0x2174, 0x2175, 0x2176, 0x2177, | |
| 1041 0x2178, 0x2179, 0x217A, 0x217B, 0x217C, 0x217D, 0x217E, 0x217F, | |
| 1042 /* 8 */ 0x2180, 0x2181, 0x2182, 0x2183, 0x2184, 0x2185, 0x2186, 0x2187, | |
| 1043 0x2188, 0x2189, 0x218A, 0x218B, 0x218C, 0x218D, 0x218E, 0x218F, | |
| 1044 /* 9 */ 0x2190, 0x2191, 0x2192, 0x2193, 0x2194, 0x2195, 0x2196, 0x2197, | |
| 1045 0x2198, 0x2199, 0x219A, 0x219B, 0x219C, 0x219D, 0x219E, 0x219F, | |
| 1046 /* A */ 0x21A0, 0x21A1, 0x21A2, 0x21A3, 0x21A4, 0x21A5, 0x21A6, 0x21A7, | |
| 1047 0x21A8, 0x21A9, 0x21AA, 0x21AB, 0x21AC, 0x21AD, 0x21AE, 0x21AF, | |
| 1048 /* B */ 0x21B0, 0x21B1, 0x21B2, 0x21B3, 0x21B4, 0x21B5, 0x21B6, 0x21B7, | |
| 1049 0x21B8, 0x21B9, 0x21BA, 0x21BB, 0x21BC, 0x21BD, 0x21BE, 0x21BF, | |
| 1050 /* C */ 0x21C0, 0x21C1, 0x21C2, 0x21C3, 0x21C4, 0x21C5, 0x21C6, 0x21C7, | |
| 1051 0x21C8, 0x21C9, 0x21CA, 0x21CB, 0x21CC, 0x21CD, 0x21CE, 0x21CF, | |
| 1052 /* D */ 0x21D0, 0x21D1, 0x21D2, 0x21D3, 0x21D4, 0x21D5, 0x21D6, 0x21D7, | |
| 1053 0x21D8, 0x21D9, 0x21DA, 0x21DB, 0x21DC, 0x21DD, 0x21DE, 0x21DF, | |
| 1054 /* E */ 0x21E0, 0x21E1, 0x21E2, 0x21E3, 0x21E4, 0x21E5, 0x21E6, 0x21E7, | |
| 1055 0x21E8, 0x21E9, 0x21EA, 0x21EB, 0x21EC, 0x21ED, 0x21EE, 0x21EF, | |
| 1056 /* F */ 0x21F0, 0x21F1, 0x21F2, 0x21F3, 0x21F4, 0x21F5, 0x21F6, 0x21F7, | |
| 1057 0x21F8, 0x21F9, 0x21FA, 0x21FB, 0x21FC, 0x21FD, 0x21FE, 0x21FF, | |
| 1058 | |
| 1059 // Table 9 (for high byte 0xFE) | |
| 1060 | |
| 1061 /* 0 */ 0xFE00, 0xFE01, 0xFE02, 0xFE03, 0xFE04, 0xFE05, 0xFE06, 0xFE07, | |
| 1062 0xFE08, 0xFE09, 0xFE0A, 0xFE0B, 0xFE0C, 0xFE0D, 0xFE0E, 0xFE0F, | |
| 1063 /* 1 */ 0xFE10, 0xFE11, 0xFE12, 0xFE13, 0xFE14, 0xFE15, 0xFE16, 0xFE17, | |
| 1064 0xFE18, 0xFE19, 0xFE1A, 0xFE1B, 0xFE1C, 0xFE1D, 0xFE1E, 0xFE1F, | |
| 1065 /* 2 */ 0xFE20, 0xFE21, 0xFE22, 0xFE23, 0xFE24, 0xFE25, 0xFE26, 0xFE27, | |
| 1066 0xFE28, 0xFE29, 0xFE2A, 0xFE2B, 0xFE2C, 0xFE2D, 0xFE2E, 0xFE2F, | |
| 1067 /* 3 */ 0xFE30, 0xFE31, 0xFE32, 0xFE33, 0xFE34, 0xFE35, 0xFE36, 0xFE37, | |
| 1068 0xFE38, 0xFE39, 0xFE3A, 0xFE3B, 0xFE3C, 0xFE3D, 0xFE3E, 0xFE3F, | |
| 1069 /* 4 */ 0xFE40, 0xFE41, 0xFE42, 0xFE43, 0xFE44, 0xFE45, 0xFE46, 0xFE47, | |
| 1070 0xFE48, 0xFE49, 0xFE4A, 0xFE4B, 0xFE4C, 0xFE4D, 0xFE4E, 0xFE4F, | |
| 1071 /* 5 */ 0xFE50, 0xFE51, 0xFE52, 0xFE53, 0xFE54, 0xFE55, 0xFE56, 0xFE57, | |
| 1072 0xFE58, 0xFE59, 0xFE5A, 0xFE5B, 0xFE5C, 0xFE5D, 0xFE5E, 0xFE5F, | |
| 1073 /* 6 */ 0xFE60, 0xFE61, 0xFE62, 0xFE63, 0xFE64, 0xFE65, 0xFE66, 0xFE67, | |
| 1074 0xFE68, 0xFE69, 0xFE6A, 0xFE6B, 0xFE6C, 0xFE6D, 0xFE6E, 0xFE6F, | |
| 1075 /* 7 */ 0xFE70, 0xFE71, 0xFE72, 0xFE73, 0xFE74, 0xFE75, 0xFE76, 0xFE77, | |
| 1076 0xFE78, 0xFE79, 0xFE7A, 0xFE7B, 0xFE7C, 0xFE7D, 0xFE7E, 0xFE7F, | |
| 1077 /* 8 */ 0xFE80, 0xFE81, 0xFE82, 0xFE83, 0xFE84, 0xFE85, 0xFE86, 0xFE87, | |
| 1078 0xFE88, 0xFE89, 0xFE8A, 0xFE8B, 0xFE8C, 0xFE8D, 0xFE8E, 0xFE8F, | |
| 1079 /* 9 */ 0xFE90, 0xFE91, 0xFE92, 0xFE93, 0xFE94, 0xFE95, 0xFE96, 0xFE97, | |
| 1080 0xFE98, 0xFE99, 0xFE9A, 0xFE9B, 0xFE9C, 0xFE9D, 0xFE9E, 0xFE9F, | |
| 1081 /* A */ 0xFEA0, 0xFEA1, 0xFEA2, 0xFEA3, 0xFEA4, 0xFEA5, 0xFEA6, 0xFEA7, | |
| 1082 0xFEA8, 0xFEA9, 0xFEAA, 0xFEAB, 0xFEAC, 0xFEAD, 0xFEAE, 0xFEAF, | |
| 1083 /* B */ 0xFEB0, 0xFEB1, 0xFEB2, 0xFEB3, 0xFEB4, 0xFEB5, 0xFEB6, 0xFEB7, | |
| 1084 0xFEB8, 0xFEB9, 0xFEBA, 0xFEBB, 0xFEBC, 0xFEBD, 0xFEBE, 0xFEBF, | |
| 1085 /* C */ 0xFEC0, 0xFEC1, 0xFEC2, 0xFEC3, 0xFEC4, 0xFEC5, 0xFEC6, 0xFEC7, | |
| 1086 0xFEC8, 0xFEC9, 0xFECA, 0xFECB, 0xFECC, 0xFECD, 0xFECE, 0xFECF, | |
| 1087 /* D */ 0xFED0, 0xFED1, 0xFED2, 0xFED3, 0xFED4, 0xFED5, 0xFED6, 0xFED7, | |
| 1088 0xFED8, 0xFED9, 0xFEDA, 0xFEDB, 0xFEDC, 0xFEDD, 0xFEDE, 0xFEDF, | |
| 1089 /* E */ 0xFEE0, 0xFEE1, 0xFEE2, 0xFEE3, 0xFEE4, 0xFEE5, 0xFEE6, 0xFEE7, | |
| 1090 0xFEE8, 0xFEE9, 0xFEEA, 0xFEEB, 0xFEEC, 0xFEED, 0xFEEE, 0xFEEF, | |
| 1091 /* F */ 0xFEF0, 0xFEF1, 0xFEF2, 0xFEF3, 0xFEF4, 0xFEF5, 0xFEF6, 0xFEF7, | |
| 1092 0xFEF8, 0xFEF9, 0xFEFA, 0xFEFB, 0xFEFC, 0xFEFD, 0xFEFE, 0x0000, | |
| 1093 | |
| 1094 // Table 10 (for high byte 0xFF) | |
| 1095 | |
| 1096 /* 0 */ 0xFF00, 0xFF01, 0xFF02, 0xFF03, 0xFF04, 0xFF05, 0xFF06, 0xFF07, | |
| 1097 0xFF08, 0xFF09, 0xFF0A, 0xFF0B, 0xFF0C, 0xFF0D, 0xFF0E, 0xFF0F, | |
| 1098 /* 1 */ 0xFF10, 0xFF11, 0xFF12, 0xFF13, 0xFF14, 0xFF15, 0xFF16, 0xFF17, | |
| 1099 0xFF18, 0xFF19, 0xFF1A, 0xFF1B, 0xFF1C, 0xFF1D, 0xFF1E, 0xFF1F, | |
| 1100 /* 2 */ 0xFF20, 0xFF41, 0xFF42, 0xFF43, 0xFF44, 0xFF45, 0xFF46, 0xFF47, | |
| 1101 0xFF48, 0xFF49, 0xFF4A, 0xFF4B, 0xFF4C, 0xFF4D, 0xFF4E, 0xFF4F, | |
| 1102 /* 3 */ 0xFF50, 0xFF51, 0xFF52, 0xFF53, 0xFF54, 0xFF55, 0xFF56, 0xFF57, | |
| 1103 0xFF58, 0xFF59, 0xFF5A, 0xFF3B, 0xFF3C, 0xFF3D, 0xFF3E, 0xFF3F, | |
| 1104 /* 4 */ 0xFF40, 0xFF41, 0xFF42, 0xFF43, 0xFF44, 0xFF45, 0xFF46, 0xFF47, | |
| 1105 0xFF48, 0xFF49, 0xFF4A, 0xFF4B, 0xFF4C, 0xFF4D, 0xFF4E, 0xFF4F, | |
| 1106 /* 5 */ 0xFF50, 0xFF51, 0xFF52, 0xFF53, 0xFF54, 0xFF55, 0xFF56, 0xFF57, | |
| 1107 0xFF58, 0xFF59, 0xFF5A, 0xFF5B, 0xFF5C, 0xFF5D, 0xFF5E, 0xFF5F, | |
| 1108 /* 6 */ 0xFF60, 0xFF61, 0xFF62, 0xFF63, 0xFF64, 0xFF65, 0xFF66, 0xFF67, | |
| 1109 0xFF68, 0xFF69, 0xFF6A, 0xFF6B, 0xFF6C, 0xFF6D, 0xFF6E, 0xFF6F, | |
| 1110 /* 7 */ 0xFF70, 0xFF71, 0xFF72, 0xFF73, 0xFF74, 0xFF75, 0xFF76, 0xFF77, | |
| 1111 0xFF78, 0xFF79, 0xFF7A, 0xFF7B, 0xFF7C, 0xFF7D, 0xFF7E, 0xFF7F, | |
| 1112 /* 8 */ 0xFF80, 0xFF81, 0xFF82, 0xFF83, 0xFF84, 0xFF85, 0xFF86, 0xFF87, | |
| 1113 0xFF88, 0xFF89, 0xFF8A, 0xFF8B, 0xFF8C, 0xFF8D, 0xFF8E, 0xFF8F, | |
| 1114 /* 9 */ 0xFF90, 0xFF91, 0xFF92, 0xFF93, 0xFF94, 0xFF95, 0xFF96, 0xFF97, | |
| 1115 0xFF98, 0xFF99, 0xFF9A, 0xFF9B, 0xFF9C, 0xFF9D, 0xFF9E, 0xFF9F, | |
| 1116 /* A */ 0xFFA0, 0xFFA1, 0xFFA2, 0xFFA3, 0xFFA4, 0xFFA5, 0xFFA6, 0xFFA7, | |
| 1117 0xFFA8, 0xFFA9, 0xFFAA, 0xFFAB, 0xFFAC, 0xFFAD, 0xFFAE, 0xFFAF, | |
| 1118 /* B */ 0xFFB0, 0xFFB1, 0xFFB2, 0xFFB3, 0xFFB4, 0xFFB5, 0xFFB6, 0xFFB7, | |
| 1119 0xFFB8, 0xFFB9, 0xFFBA, 0xFFBB, 0xFFBC, 0xFFBD, 0xFFBE, 0xFFBF, | |
| 1120 /* C */ 0xFFC0, 0xFFC1, 0xFFC2, 0xFFC3, 0xFFC4, 0xFFC5, 0xFFC6, 0xFFC7, | |
| 1121 0xFFC8, 0xFFC9, 0xFFCA, 0xFFCB, 0xFFCC, 0xFFCD, 0xFFCE, 0xFFCF, | |
| 1122 /* D */ 0xFFD0, 0xFFD1, 0xFFD2, 0xFFD3, 0xFFD4, 0xFFD5, 0xFFD6, 0xFFD7, | |
| 1123 0xFFD8, 0xFFD9, 0xFFDA, 0xFFDB, 0xFFDC, 0xFFDD, 0xFFDE, 0xFFDF, | |
| 1124 /* E */ 0xFFE0, 0xFFE1, 0xFFE2, 0xFFE3, 0xFFE4, 0xFFE5, 0xFFE6, 0xFFE7, | |
| 1125 0xFFE8, 0xFFE9, 0xFFEA, 0xFFEB, 0xFFEC, 0xFFED, 0xFFEE, 0xFFEF, | |
| 1126 /* F */ 0xFFF0, 0xFFF1, 0xFFF2, 0xFFF3, 0xFFF4, 0xFFF5, 0xFFF6, 0xFFF7, | |
| 1127 0xFFF8, 0xFFF9, 0xFFFA, 0xFFFB, 0xFFFC, 0xFFFD, 0xFFFE, 0xFFFF, | |
| 1128 }; | |
| 1129 | |
| 1130 // Returns the next non-ignorable codepoint within string starting from the | |
| 1131 // position indicated by index, or zero if there are no more. | |
| 1132 // The passed-in index is automatically advanced as the characters in the input | |
| 1133 // HFS-decomposed UTF-8 strings are read. | |
| 1134 inline int HFSReadNextNonIgnorableCodepoint(const char* string, | |
| 1135 int length, | |
| 1136 int* index) { | |
| 1137 int codepoint = 0; | |
| 1138 while (*index < length && codepoint == 0) { | |
| 1139 // CBU8_NEXT returns a value < 0 in error cases. For purposes of string | |
| 1140 // comparison, we just use that value and flag it with DCHECK. | |
| 1141 CBU8_NEXT(string, *index, length, codepoint); | |
| 1142 DCHECK_GT(codepoint, 0); | |
| 1143 if (codepoint > 0) { | |
| 1144 // Check if there is a subtable for this upper byte. | |
| 1145 int lookup_offset = lower_case_table[codepoint >> 8]; | |
| 1146 if (lookup_offset != 0) | |
| 1147 codepoint = lower_case_table[lookup_offset + (codepoint & 0x00FF)]; | |
| 1148 // Note: codepoint1 may be again 0 at this point if the character was | |
| 1149 // an ignorable. | |
| 1150 } | |
| 1151 } | |
| 1152 return codepoint; | |
| 1153 } | |
| 1154 | |
| 1155 } // namespace | |
| 1156 | |
| 1157 // Special UTF-8 version of FastUnicodeCompare. Cf: | |
| 1158 // http://developer.apple.com/mac/library/technotes/tn/tn1150.html#StringCompari
sonAlgorithm | |
| 1159 // The input strings must be in the special HFS decomposed form. | |
| 1160 int FilePath::HFSFastUnicodeCompare(StringPieceType string1, | |
| 1161 StringPieceType string2) { | |
| 1162 int length1 = string1.length(); | |
| 1163 int length2 = string2.length(); | |
| 1164 int index1 = 0; | |
| 1165 int index2 = 0; | |
| 1166 | |
| 1167 for (;;) { | |
| 1168 int codepoint1 = | |
| 1169 HFSReadNextNonIgnorableCodepoint(string1.data(), length1, &index1); | |
| 1170 int codepoint2 = | |
| 1171 HFSReadNextNonIgnorableCodepoint(string2.data(), length2, &index2); | |
| 1172 if (codepoint1 != codepoint2) | |
| 1173 return (codepoint1 < codepoint2) ? -1 : 1; | |
| 1174 if (codepoint1 == 0) { | |
| 1175 DCHECK_EQ(index1, length1); | |
| 1176 DCHECK_EQ(index2, length2); | |
| 1177 return 0; | |
| 1178 } | |
| 1179 } | |
| 1180 } | |
| 1181 | |
| 1182 StringType FilePath::GetHFSDecomposedForm(StringPieceType string) { | |
| 1183 ScopedCFTypeRef<CFStringRef> cfstring(CFStringCreateWithBytesNoCopy( | |
| 1184 NULL, reinterpret_cast<const UInt8*>(string.data()), string.length(), | |
| 1185 kCFStringEncodingUTF8, false, kCFAllocatorNull)); | |
| 1186 // Query the maximum length needed to store the result. In most cases this | |
| 1187 // will overestimate the required space. The return value also already | |
| 1188 // includes the space needed for a terminating 0. | |
| 1189 CFIndex length = CFStringGetMaximumSizeOfFileSystemRepresentation(cfstring); | |
| 1190 DCHECK_GT(length, 0); // should be at least 1 for the 0-terminator. | |
| 1191 // Reserve enough space for CFStringGetFileSystemRepresentation to write into. | |
| 1192 // Also set the length to the maximum so that we can shrink it later. | |
| 1193 // (Increasing rather than decreasing it would clobber the string contents!) | |
| 1194 StringType result; | |
| 1195 result.reserve(length); | |
| 1196 result.resize(length - 1); | |
| 1197 Boolean success = CFStringGetFileSystemRepresentation(cfstring, | |
| 1198 &result[0], | |
| 1199 length); | |
| 1200 if (success) { | |
| 1201 // Reduce result.length() to actual string length. | |
| 1202 result.resize(strlen(result.c_str())); | |
| 1203 } else { | |
| 1204 // An error occurred -> clear result. | |
| 1205 result.clear(); | |
| 1206 } | |
| 1207 return result; | |
| 1208 } | |
| 1209 | |
| 1210 int FilePath::CompareIgnoreCase(StringPieceType string1, | |
| 1211 StringPieceType string2) { | |
| 1212 // Quick checks for empty strings - these speed things up a bit and make the | |
| 1213 // following code cleaner. | |
| 1214 if (string1.empty()) | |
| 1215 return string2.empty() ? 0 : -1; | |
| 1216 if (string2.empty()) | |
| 1217 return 1; | |
| 1218 | |
| 1219 StringType hfs1 = GetHFSDecomposedForm(string1); | |
| 1220 StringType hfs2 = GetHFSDecomposedForm(string2); | |
| 1221 | |
| 1222 // GetHFSDecomposedForm() returns an empty string in an error case. | |
| 1223 if (hfs1.empty() || hfs2.empty()) { | |
| 1224 NOTREACHED(); | |
| 1225 ScopedCFTypeRef<CFStringRef> cfstring1(CFStringCreateWithBytesNoCopy( | |
| 1226 NULL, reinterpret_cast<const UInt8*>(string1.data()), string1.length(), | |
| 1227 kCFStringEncodingUTF8, false, kCFAllocatorNull)); | |
| 1228 ScopedCFTypeRef<CFStringRef> cfstring2(CFStringCreateWithBytesNoCopy( | |
| 1229 NULL, reinterpret_cast<const UInt8*>(string2.data()), string2.length(), | |
| 1230 kCFStringEncodingUTF8, false, kCFAllocatorNull)); | |
| 1231 return CFStringCompare(cfstring1, | |
| 1232 cfstring2, | |
| 1233 kCFCompareCaseInsensitive); | |
| 1234 } | |
| 1235 | |
| 1236 return HFSFastUnicodeCompare(hfs1, hfs2); | |
| 1237 } | |
| 1238 | |
| 1239 #else // << WIN. MACOSX | other (POSIX) >> | |
| 1240 | |
| 1241 // Generic Posix system comparisons. | |
| 1242 int FilePath::CompareIgnoreCase(StringPieceType string1, | |
| 1243 StringPieceType string2) { | |
| 1244 // Specifically need null termianted strings for this API call. | |
| 1245 int comparison = | |
| 1246 strcasecmp(string1.as_string().c_str(), string2.as_string().c_str()); | |
| 1247 if (comparison < 0) | |
| 1248 return -1; | |
| 1249 if (comparison > 0) | |
| 1250 return 1; | |
| 1251 return 0; | |
| 1252 } | |
| 1253 | |
| 1254 #endif // OS versions of CompareIgnoreCase() | |
| 1255 | |
| 1256 | |
| 1257 void FilePath::StripTrailingSeparatorsInternal() { | |
| 1258 // If there is no drive letter, start will be 1, which will prevent stripping | |
| 1259 // the leading separator if there is only one separator. If there is a drive | |
| 1260 // letter, start will be set appropriately to prevent stripping the first | |
| 1261 // separator following the drive letter, if a separator immediately follows | |
| 1262 // the drive letter. | |
| 1263 StringType::size_type start = FindDriveLetter(path_) + 2; | |
| 1264 | |
| 1265 StringType::size_type last_stripped = StringType::npos; | |
| 1266 for (StringType::size_type pos = path_.length(); | |
| 1267 pos > start && IsSeparator(path_[pos - 1]); | |
| 1268 --pos) { | |
| 1269 // If the string only has two separators and they're at the beginning, | |
| 1270 // don't strip them, unless the string began with more than two separators. | |
| 1271 if (pos != start + 1 || last_stripped == start + 2 || | |
| 1272 !IsSeparator(path_[start - 1])) { | |
| 1273 path_.resize(pos - 1); | |
| 1274 last_stripped = pos; | |
| 1275 } | |
| 1276 } | |
| 1277 } | |
| 1278 | |
| 1279 FilePath FilePath::NormalizePathSeparators() const { | |
| 1280 return NormalizePathSeparatorsTo(kSeparators[0]); | |
| 1281 } | |
| 1282 | |
| 1283 FilePath FilePath::NormalizePathSeparatorsTo(CharType separator) const { | |
| 1284 #if defined(FILE_PATH_USES_WIN_SEPARATORS) | |
| 1285 DCHECK_NE(kSeparators + kSeparatorsLength, | |
| 1286 std::find(kSeparators, kSeparators + kSeparatorsLength, separator)); | |
| 1287 StringType copy = path_; | |
| 1288 for (size_t i = 0; i < kSeparatorsLength; ++i) { | |
| 1289 std::replace(copy.begin(), copy.end(), kSeparators[i], separator); | |
| 1290 } | |
| 1291 return FilePath(copy); | |
| 1292 #else | |
| 1293 return *this; | |
| 1294 #endif | |
| 1295 } | |
| 1296 | |
| 1297 #if defined(OS_ANDROID) | |
| 1298 bool FilePath::IsContentUri() const { | |
| 1299 return StartsWithASCII(path_, "content://", false /*case_sensitive*/); | |
| 1300 } | |
| 1301 #endif | |
| 1302 | |
| 1303 } // namespace base | |
| OLD | NEW |