Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(22)

Side by Side Diff: base/i18n/bidi_line_iterator.h

Issue 1647803004: Move base to DEPS (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: Created 4 years, 10 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch
« no previous file with comments | « base/i18n/base_i18n_export.h ('k') | base/i18n/bidi_line_iterator.cc » ('j') | no next file with comments »
Toggle Intra-line Diffs ('i') | Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
OLDNEW
(Empty)
1 // Copyright (c) 2011 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 #ifndef BASE_I18N_BIDI_LINE_ITERATOR_H_
6 #define BASE_I18N_BIDI_LINE_ITERATOR_H_
7
8 #include "base/basictypes.h"
9 #include "base/i18n/base_i18n_export.h"
10 #include "base/i18n/rtl.h"
11 #include "base/strings/string16.h"
12 #include "third_party/icu/source/common/unicode/ubidi.h"
13
14 namespace base {
15 namespace i18n {
16
17 // A simple wrapper class for the bidirectional iterator of ICU.
18 // This class uses the bidirectional iterator of ICU to split a line of
19 // bidirectional texts into visual runs in its display order.
20 class BASE_I18N_EXPORT BiDiLineIterator {
21 public:
22 BiDiLineIterator();
23 ~BiDiLineIterator();
24
25 // Initializes the bidirectional iterator with the specified text. Returns
26 // whether initialization succeeded.
27 bool Open(const string16& text, TextDirection direction);
28
29 // Returns the number of visual runs in the text, or zero on error.
30 int CountRuns();
31
32 // Gets the logical offset, length, and direction of the specified visual run.
33 UBiDiDirection GetVisualRun(int index, int* start, int* length);
34
35 // Given a start position, figure out where the run ends (and the BiDiLevel).
36 void GetLogicalRun(int start, int* end, UBiDiLevel* level);
37
38 private:
39 UBiDi* bidi_;
40
41 DISALLOW_COPY_AND_ASSIGN(BiDiLineIterator);
42 };
43
44 } // namespace i18n
45 } // namespace base
46
47 #endif // BASE_I18N_BIDI_LINE_ITERATOR_H_
OLDNEW
« no previous file with comments | « base/i18n/base_i18n_export.h ('k') | base/i18n/bidi_line_iterator.cc » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698