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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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 // This file defines utility functions for working with strings. | 5 // This file defines utility functions for working with strings. |
6 | 6 |
7 #ifndef BASE_STRINGS_STRING_UTIL_H_ | 7 #ifndef BASE_STRINGS_STRING_UTIL_H_ |
8 #define BASE_STRINGS_STRING_UTIL_H_ | 8 #define BASE_STRINGS_STRING_UTIL_H_ |
9 | 9 |
10 #include <ctype.h> | 10 #include <ctype.h> |
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278 for (typename str::iterator i = s->begin(); i != s->end(); ++i) | 278 for (typename str::iterator i = s->begin(); i != s->end(); ++i) |
279 *i = ToUpperASCII(*i); | 279 *i = ToUpperASCII(*i); |
280 } | 280 } |
281 | 281 |
282 template <class str> inline str StringToUpperASCII(const str& s) { | 282 template <class str> inline str StringToUpperASCII(const str& s) { |
283 // for std::string and std::wstring | 283 // for std::string and std::wstring |
284 str output(s); | 284 str output(s); |
285 StringToUpperASCII(&output); | 285 StringToUpperASCII(&output); |
286 return output; | 286 return output; |
287 } | 287 } |
| 288 // |
| 289 // Compare the lower-case form of the given string against the given ASCII |
| 290 // string. This is useful for doing checking if an input string matches some |
| 291 // token, and it is optimized to avoid intermediate string copies. This API is |
| 292 // borrowed from the equivalent APIs in Mozilla. |
| 293 BASE_EXPORT bool LowerCaseEqualsASCII(const std::string& a, const char* b); |
| 294 BASE_EXPORT bool LowerCaseEqualsASCII(const string16& a, const char* b); |
| 295 |
| 296 // Same thing, but with string iterators instead. |
| 297 BASE_EXPORT bool LowerCaseEqualsASCII(std::string::const_iterator a_begin, |
| 298 std::string::const_iterator a_end, |
| 299 const char* b); |
| 300 BASE_EXPORT bool LowerCaseEqualsASCII(string16::const_iterator a_begin, |
| 301 string16::const_iterator a_end, |
| 302 const char* b); |
| 303 BASE_EXPORT bool LowerCaseEqualsASCII(const char* a_begin, |
| 304 const char* a_end, |
| 305 const char* b); |
| 306 BASE_EXPORT bool LowerCaseEqualsASCII(const char* a_begin, |
| 307 const char* a_end, |
| 308 const char* b_begin, |
| 309 const char* b_end); |
| 310 BASE_EXPORT bool LowerCaseEqualsASCII(const char16* a_begin, |
| 311 const char16* a_end, |
| 312 const char* b); |
288 | 313 |
289 } // namespace base | 314 } // namespace base |
290 | 315 |
291 #if defined(OS_WIN) | 316 #if defined(OS_WIN) |
292 #include "base/strings/string_util_win.h" | 317 #include "base/strings/string_util_win.h" |
293 #elif defined(OS_POSIX) | 318 #elif defined(OS_POSIX) |
294 #include "base/strings/string_util_posix.h" | 319 #include "base/strings/string_util_posix.h" |
295 #else | 320 #else |
296 #error Define string operations appropriately for your platform | 321 #error Define string operations appropriately for your platform |
297 #endif | 322 #endif |
298 | 323 |
299 // Compare the lower-case form of the given string against the given ASCII | |
300 // string. This is useful for doing checking if an input string matches some | |
301 // token, and it is optimized to avoid intermediate string copies. This API is | |
302 // borrowed from the equivalent APIs in Mozilla. | |
303 BASE_EXPORT bool LowerCaseEqualsASCII(const std::string& a, const char* b); | |
304 BASE_EXPORT bool LowerCaseEqualsASCII(const base::string16& a, const char* b); | |
305 | |
306 // Same thing, but with string iterators instead. | |
307 BASE_EXPORT bool LowerCaseEqualsASCII(std::string::const_iterator a_begin, | |
308 std::string::const_iterator a_end, | |
309 const char* b); | |
310 BASE_EXPORT bool LowerCaseEqualsASCII(base::string16::const_iterator a_begin, | |
311 base::string16::const_iterator a_end, | |
312 const char* b); | |
313 BASE_EXPORT bool LowerCaseEqualsASCII(const char* a_begin, | |
314 const char* a_end, | |
315 const char* b); | |
316 BASE_EXPORT bool LowerCaseEqualsASCII(const base::char16* a_begin, | |
317 const base::char16* a_end, | |
318 const char* b); | |
319 | |
320 // Performs a case-sensitive string compare. The behavior is undefined if both | 324 // Performs a case-sensitive string compare. The behavior is undefined if both |
321 // strings are not ASCII. | 325 // strings are not ASCII. |
322 BASE_EXPORT bool EqualsASCII(const base::string16& a, const base::StringPiece& b
); | 326 BASE_EXPORT bool EqualsASCII(const base::string16& a, const base::StringPiece& b
); |
323 | 327 |
324 // Returns true if str starts with search, or false otherwise. | 328 // Returns true if str starts with search, or false otherwise. |
325 BASE_EXPORT bool StartsWithASCII(const std::string& str, | 329 BASE_EXPORT bool StartsWithASCII(const std::string& str, |
326 const std::string& search, | 330 const std::string& search, |
327 bool case_sensitive); | 331 bool case_sensitive); |
328 BASE_EXPORT bool StartsWith(const base::string16& str, | 332 BASE_EXPORT bool StartsWith(const base::string16& str, |
329 const base::string16& search, | 333 const base::string16& search, |
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523 #elif defined(WCHAR_T_IS_UTF32) | 527 #elif defined(WCHAR_T_IS_UTF32) |
524 typedef uint32 Unsigned; | 528 typedef uint32 Unsigned; |
525 #endif | 529 #endif |
526 }; | 530 }; |
527 template<> | 531 template<> |
528 struct ToUnsigned<short> { | 532 struct ToUnsigned<short> { |
529 typedef unsigned short Unsigned; | 533 typedef unsigned short Unsigned; |
530 }; | 534 }; |
531 | 535 |
532 #endif // BASE_STRINGS_STRING_UTIL_H_ | 536 #endif // BASE_STRINGS_STRING_UTIL_H_ |
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