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author | brettw@chromium.org <brettw@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2009-10-09 18:20:30 +0000 |
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committer | brettw@chromium.org <brettw@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2009-10-09 18:20:30 +0000 |
commit | fb895c694e2117c29b6afb699095f6e187a44da7 (patch) | |
tree | 04a0d1434a470f55f0e639a3e6f15c18416d80e2 /base/word_iterator.h | |
parent | 8ecb6aa0a92d5426c2c98c23e0e3f3c4f06972c5 (diff) | |
download | chromium_src-fb895c694e2117c29b6afb699095f6e187a44da7.zip chromium_src-fb895c694e2117c29b6afb699095f6e187a44da7.tar.gz chromium_src-fb895c694e2117c29b6afb699095f6e187a44da7.tar.bz2 |
Move more ICU-dependent stuff from base into base/i18n. Some test stuff also
depended on this, so to make the DEPS work out, I made a new base/test
directory where I moved the testing-related files into a new directory
base/test.
TEST=none
BUG=none
Review URL: http://codereview.chromium.org/266038
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@28569 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'base/word_iterator.h')
-rw-r--r-- | base/word_iterator.h | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/base/word_iterator.h b/base/word_iterator.h deleted file mode 100644 index 3e53c20..0000000 --- a/base/word_iterator.h +++ /dev/null @@ -1,87 +0,0 @@ -// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. - -#ifndef BASE_WORD_ITERATOR_H__ -#define BASE_WORD_ITERATOR_H__ - -#include <string> -#include <vector> - -#include "unicode/uchar.h" - -#include "base/basictypes.h" - -// The WordIterator class iterates through the words and word breaks -// in a string. (In the string " foo bar! ", the word breaks are at the -// periods in ". .foo. .bar.!. .".) -// -// To extract the words from a string, move a WordIterator through the -// string and test whether IsWord() is true. E.g., -// WordIterator iter(str, WordIterator::BREAK_WORD); -// if (!iter.Init()) return false; -// while (iter.Advance()) { -// if (iter.IsWord()) { -// // region [iter.prev(),iter.pos()) contains a word. -// LOG(INFO) << "word: " << iter.GetWord(); -// } -// } - - -class WordIterator { - public: - enum BreakType { - BREAK_WORD, - BREAK_LINE - }; - - // Requires |str| to live as long as the WordIterator does. - WordIterator(const std::wstring& str, BreakType break_type); - ~WordIterator(); - - // Init() must be called before any of the iterators are valid. - // Returns false if ICU failed to initialize. - bool Init(); - - // Return the current break position within the string, - // or WordIterator::npos when done. - size_t pos() const { return pos_; } - // Return the value of pos() returned before Advance() was last called. - size_t prev() const { return prev_; } - - // Advance to the next break. Returns false if we've run past the end of - // the string. (Note that the very last "word break" is after the final - // character in the string, and when we advance to that position it's the - // last time Advance() returns true.) - bool Advance(); - - // Returns true if the break we just hit is the end of a word. - // (Otherwise, the break iterator just skipped over e.g. whitespace - // or punctuation.) - bool IsWord() const; - - // Return the word between prev() and pos(). - // Advance() must have been called successfully at least once - // for pos() to have advanced to somewhere useful. - std::wstring GetWord() const; - - private: - // ICU iterator. - void* iter_; -#if !defined(WCHAR_T_IS_UTF16) - std::vector<UChar> chars_; -#endif - - // The string we're iterating over. - const std::wstring& string_; - - // The breaking style (word/line). - BreakType break_type_; - - // Previous and current iterator positions. - size_t prev_, pos_; - - DISALLOW_EVIL_CONSTRUCTORS(WordIterator); -}; - -#endif // BASE_WORD_ITERATOR_H__ |