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Rework Buffer::distance implementation

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This commit is contained in:
Maxime Coste 2015-11-04 00:37:39 +00:00
parent e8239feddf
commit 6273aa9443
1 changed files with 7 additions and 10 deletions
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17
src/buffer.inl.hh
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@ -43,16 +43,13 @@ inline ByteCount Buffer::distance(ByteCoord begin, ByteCoord end) const
{
if (begin > end)
return -distance(end, begin);
ByteCount res = 0;
for (LineCount l = begin.line; l <= end.line; ++l)
{
ByteCount len = m_lines[l].length();
res += len;
if (l == begin.line)
res -= begin.column;
if (l == end.line)
res -= len - end.column;
}
if (begin.line == end.line)
return end.column - begin.column;
ByteCount res = m_lines[begin.line].length() - begin.column;
for (LineCount l = begin.line+1; l < end.line; ++l)
res += m_lines[l].length();
res += end.column;
return res;
}