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An optimized version of Reader.peek() with index == 0.

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This commit is contained in:
Ferdinand Majerech 2014-08-04 02:19:34 +02:00
parent 063d9754d7
commit a4befdd866
1 changed files with 11 additions and 1 deletions
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12
source/dyaml/reader.d
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@ -137,7 +137,7 @@ final class Reader
/// ///
// XXX removed; search for 'risky' to find why. // XXX removed; search for 'risky' to find why.
// Throws: ReaderException if trying to read past the end of the buffer. // Throws: ReaderException if trying to read past the end of the buffer.
dchar peek(size_t index = 0) @safe pure nothrow @nogc dchar peek(const size_t index) @safe pure nothrow @nogc
{ {
if(characterCount_ <= charIndex_ + index) if(characterCount_ <= charIndex_ + index)
{ {
@ -176,6 +176,16 @@ final class Reader
return d; return d;
} }
/// Optimized version of peek() for the case where peek index is 0.
dchar peek() @safe pure nothrow @nogc
{
if(characterCount_ <= charIndex_) { return '\0'; }
lastDecodedCharOffset_ = 0;
lastDecodedBufferOffset_ = bufferOffset_;
return decodeNext();
}
/// Get specified number of characters starting at current position. /// Get specified number of characters starting at current position.
/// ///
/// Note: This gets only a "view" into the internal buffer, /// Note: This gets only a "view" into the internal buffer,