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Side by Side Diff: base/strings/string_util.h

Issue 1548993002: Switch to standard integer types in base/strings/. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 4 years, 12 months ago
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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>
11 #include <stdarg.h> // va_list 11 #include <stdarg.h> // va_list
12 #include <stddef.h>
13 #include <stdint.h>
12 14
13 #include <string> 15 #include <string>
14 #include <vector> 16 #include <vector>
15 17
16 #include "base/base_export.h" 18 #include "base/base_export.h"
17 #include "base/basictypes.h"
18 #include "base/compiler_specific.h" 19 #include "base/compiler_specific.h"
19 #include "base/strings/string16.h" 20 #include "base/strings/string16.h"
20 #include "base/strings/string_piece.h" // For implicit conversions. 21 #include "base/strings/string_piece.h" // For implicit conversions.
22 #include "build/build_config.h"
21 23
22 namespace base { 24 namespace base {
23 25
24 // C standard-library functions that aren't cross-platform are provided as 26 // C standard-library functions that aren't cross-platform are provided as
25 // "base::...", and their prototypes are listed below. These functions are 27 // "base::...", and their prototypes are listed below. These functions are
26 // then implemented as inline calls to the platform-specific equivalents in the 28 // then implemented as inline calls to the platform-specific equivalents in the
27 // platform-specific headers. 29 // platform-specific headers.
28 30
29 // Wrapper for vsnprintf that always null-terminates and always returns the 31 // Wrapper for vsnprintf that always null-terminates and always returns the
30 // number of characters that would be in an untruncated formatted 32 // number of characters that would be in an untruncated formatted
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356 // Assumes the input is a valid hex character. DCHECKs in debug builds if not. 358 // Assumes the input is a valid hex character. DCHECKs in debug builds if not.
357 BASE_EXPORT char HexDigitToInt(wchar_t c); 359 BASE_EXPORT char HexDigitToInt(wchar_t c);
358 360
359 // Returns true if it's a Unicode whitespace character. 361 // Returns true if it's a Unicode whitespace character.
360 BASE_EXPORT bool IsUnicodeWhitespace(wchar_t c); 362 BASE_EXPORT bool IsUnicodeWhitespace(wchar_t c);
361 363
362 // Return a byte string in human-readable format with a unit suffix. Not 364 // Return a byte string in human-readable format with a unit suffix. Not
363 // appropriate for use in any UI; use of FormatBytes and friends in ui/base is 365 // appropriate for use in any UI; use of FormatBytes and friends in ui/base is
364 // highly recommended instead. TODO(avi): Figure out how to get callers to use 366 // highly recommended instead. TODO(avi): Figure out how to get callers to use
365 // FormatBytes instead; remove this. 367 // FormatBytes instead; remove this.
366 BASE_EXPORT string16 FormatBytesUnlocalized(int64 bytes); 368 BASE_EXPORT string16 FormatBytesUnlocalized(int64_t bytes);
367 369
368 // Starting at |start_offset| (usually 0), replace the first instance of 370 // Starting at |start_offset| (usually 0), replace the first instance of
369 // |find_this| with |replace_with|. 371 // |find_this| with |replace_with|.
370 BASE_EXPORT void ReplaceFirstSubstringAfterOffset( 372 BASE_EXPORT void ReplaceFirstSubstringAfterOffset(
371 base::string16* str, 373 base::string16* str,
372 size_t start_offset, 374 size_t start_offset,
373 StringPiece16 find_this, 375 StringPiece16 find_this,
374 StringPiece16 replace_with); 376 StringPiece16 replace_with);
375 BASE_EXPORT void ReplaceFirstSubstringAfterOffset( 377 BASE_EXPORT void ReplaceFirstSubstringAfterOffset(
376 std::string* str, 378 std::string* str,
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450 452
451 #if defined(OS_WIN) 453 #if defined(OS_WIN)
452 #include "base/strings/string_util_win.h" 454 #include "base/strings/string_util_win.h"
453 #elif defined(OS_POSIX) 455 #elif defined(OS_POSIX)
454 #include "base/strings/string_util_posix.h" 456 #include "base/strings/string_util_posix.h"
455 #else 457 #else
456 #error Define string operations appropriately for your platform 458 #error Define string operations appropriately for your platform
457 #endif 459 #endif
458 460
459 #endif // BASE_STRINGS_STRING_UTIL_H_ 461 #endif // BASE_STRINGS_STRING_UTIL_H_
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