65 lines
2.0 KiB
Haxe
65 lines
2.0 KiB
Haxe
/*
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* Copyright (C)2005-2019 Haxe Foundation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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package haxe.io;
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class BufferInput extends haxe.io.Input {
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public var i:haxe.io.Input;
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public var buf:haxe.io.Bytes;
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public var available:Int;
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public var pos:Int;
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public function new(i, buf, ?pos = 0, ?available = 0) {
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this.i = i;
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this.buf = buf;
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this.pos = pos;
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this.available = available;
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}
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public function refill() {
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if (pos > 0) {
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buf.blit(0, buf, pos, available);
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pos = 0;
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}
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available += i.readBytes(buf, available, buf.length - available);
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}
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override function readByte() {
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if (available == 0)
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refill();
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var c = buf.get(pos);
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pos++;
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available--;
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return c;
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}
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override function readBytes(buf:haxe.io.Bytes, pos:Int, len:Int) {
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if (available == 0)
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refill();
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var size = if (len > available) available else len;
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buf.blit(pos, this.buf, this.pos, size);
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this.pos += size;
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this.available -= size;
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return size;
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}
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}
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