Upstream version 7.36.149.0

[platform/framework/web/crosswalk.git] / src / third_party / WebKit / Source / wtf / text / TextPosition.cpp

diff --git a/src/third_party/WebKit/Source/wtf/text/TextPosition.cpp b/src/third_party/WebKit/Source/wtf/text/TextPosition.cpp
index d220fcb..b3fce56 100644 (file)
--- a/src/third_party/WebKit/Source/wtf/text/TextPosition.cpp
+++ b/src/third_party/WebKit/Source/wtf/text/TextPosition.cpp
@@ -48,6 +48,12 @@ PassOwnPtr<Vector<unsigned> > lineEndings(const String& text)
     return result.release();
 }
 
+OrdinalNumber TextPosition::toOffset(const Vector<unsigned>& lineEndings)
+{
+    unsigned lineStartOffset = m_line != OrdinalNumber::first() ? lineEndings.at(m_line.zeroBasedInt() - 1) + 1 : 0;
+    return OrdinalNumber::fromZeroBasedInt(lineStartOffset + m_column.zeroBasedInt());
+}
+
 TextPosition TextPosition::fromOffsetAndLineEndings(unsigned offset, const Vector<unsigned>& lineEndings)
 {
     const unsigned* foundLineEnding = std::lower_bound(lineEndings.begin(), lineEndings.end(), offset);