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Add peekByte method to Stream, DecodeStream and ChunkedStream

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This commit is contained in:
Jonas Jenwald 2014-09-11 16:33:49 +02:00
parent 0674a3bd02
commit d1974eae34
3 changed files with 18 additions and 2 deletions
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12
src/core/stream.js
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@ -73,6 +73,11 @@ var Stream = (function StreamClosure() {
this.pos = end;
return bytes.subarray(pos, end);
},
peekByte: function Stream_peekByte() {
var peekedByte = this.getByte();
this.pos--;
return peekedByte;
},
peekBytes: function Stream_peekBytes(length) {
var bytes = this.getBytes(length);
this.pos -= bytes.length;
@ -202,6 +207,11 @@ var DecodeStream = (function DecodeStreamClosure() {
this.pos = end;
return this.buffer.subarray(pos, end);
},
peekByte: function DecodeStream_peekByte() {
var peekedByte = this.getByte();
this.pos--;
return peekedByte;
},
peekBytes: function DecodeStream_peekBytes(length) {
var bytes = this.getBytes(length);
this.pos -= bytes.length;
@ -527,7 +537,7 @@ var FlateStream = (function FlateStreamClosure() {
var end = bufferLength + blockLen;
this.bufferLength = end;
if (blockLen === 0) {
if (str.peekBytes(1).length === 0) {
if (str.peekByte() === -1) {
this.eof = true;
}
} else {