Upstream version 9.38.198.0

[platform/framework/web/crosswalk.git] / src / base / i18n / break_iterator.cc

diff --git a/src/base/i18n/break_iterator.cc b/src/base/i18n/break_iterator.cc
index fe26a03..89b1d0f 100644 (file)
--- a/src/base/i18n/break_iterator.cc
+++ b/src/base/i18n/break_iterator.cc
@@ -12,7 +12,7 @@
 namespace base {
 namespace i18n {
 
-const size_t npos = -1;
+const size_t npos = static_cast<size_t>(-1);
 
 BreakIterator::BreakIterator(const string16& str, BreakType break_type)
     : iter_(NULL),
@@ -138,13 +138,13 @@ bool BreakIterator::SetText(const base::char16* text, const size_t length) {
 bool BreakIterator::IsWord() const {
   int32_t status = ubrk_getRuleStatus(static_cast<UBreakIterator*>(iter_));
   if (break_type_ != BREAK_WORD && break_type_ != RULE_BASED)
-      return false;
+    return false;
   return status != UBRK_WORD_NONE;
 }
 
 bool BreakIterator::IsEndOfWord(size_t position) const {
   if (break_type_ != BREAK_WORD && break_type_ != RULE_BASED)
-      return false;
+    return false;
 
   UBreakIterator* iter = static_cast<UBreakIterator*>(iter_);
   UBool boundary = ubrk_isBoundary(iter, static_cast<int32_t>(position));
@@ -154,7 +154,7 @@ bool BreakIterator::IsEndOfWord(size_t position) const {
 
 bool BreakIterator::IsStartOfWord(size_t position) const {
   if (break_type_ != BREAK_WORD && break_type_ != RULE_BASED)
-      return false;
+    return false;
 
   UBreakIterator* iter = static_cast<UBreakIterator*>(iter_);
   UBool boundary = ubrk_isBoundary(iter, static_cast<int32_t>(position));
@@ -163,6 +163,14 @@ bool BreakIterator::IsStartOfWord(size_t position) const {
   return (!!boundary && next_status != UBRK_WORD_NONE);
 }
 
+bool BreakIterator::IsGraphemeBoundary(size_t position) const {
+  if (break_type_ != BREAK_CHARACTER)
+    return false;
+
+  UBreakIterator* iter = static_cast<UBreakIterator*>(iter_);
+  return !!ubrk_isBoundary(iter, static_cast<int32_t>(position));
+}
+
 string16 BreakIterator::GetString() const {
   DCHECK(prev_ != npos && pos_ != npos);
   return string_.substr(prev_, pos_ - prev_);