[28388] | 1 |
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| 2 | Mad.BinaryStrings.SubStream = function(stream, offset, length) {
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| 3 | this.offset = 0;
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| 4 | this.start = offset;
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| 5 | this.parentStream = stream;
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| 6 | this.length = length;
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| 7 | }
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| 8 |
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| 9 | Mad.BinaryStrings.SubStream.prototype = new Mad.BinaryStrings.ByteStream;
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| 10 |
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| 11 | Mad.BinaryStrings.SubStream.prototype.substream = function (offset, length) {
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| 12 | return new Mad.BinaryStrings.SubStream(this.parentStream, this.start + offset, length);
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| 13 | }
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| 14 |
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| 15 |
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| 16 | Mad.BinaryStrings.SubStream.prototype.absoluteAvailable = function(n) {
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| 17 | return this.parentStream.absoluteAvailable(this.start + n);
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| 18 | }
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| 19 |
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| 20 | Mad.BinaryStrings.SubStream.prototype.seek = function(n) {
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| 21 | this.offset += n;
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| 22 | }
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| 23 |
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| 24 | Mad.BinaryStrings.SubStream.prototype.read = function(n) {
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| 25 | var result = this.peek(n);
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| 26 |
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| 27 | this.seek(n);
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| 28 |
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| 29 | return result;
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| 30 | }
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| 31 |
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| 32 | Mad.BinaryStrings.SubStream.prototype.peek = function(n) {
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| 33 | return this.get(this.offset, n);
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| 34 | }
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| 35 |
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| 36 | Mad.BinaryStrings.SubStream.prototype.get = function(offset, length) {
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| 37 | return this.parentStream.get(this.start + offset, length);
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| 38 | }
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| 39 |
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| 40 | Mad.BinaryStrings.SubStream.prototype.slice = function(start, end) {
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| 41 | return this.parentStream.get(this.start + start, end - start);
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| 42 | }
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| 43 |
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| 44 | Mad.BinaryStrings.SubStream.prototype.requestAbsolute = function(n, callback) {
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| 45 | this.parentStream.requestAbsolute(this.start + n)
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| 46 | }
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| 47 |
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| 48 | Mad.BinaryStrings.SubStream.prototype.request = function(n, callback) {
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| 49 | this.parentStream.requestAbsolute(this.start + this.offset + n)
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| 50 | }
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