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<h1>Code coverage report for <span class="entity">lib\sync-reader.js</span></h1>
<h2>
Statements: <span class="metric">94.44% <small>(17 / 18)</small></span> &nbsp;&nbsp;&nbsp;&nbsp;
Branches: <span class="metric">81.82% <small>(9 / 11)</small></span> &nbsp;&nbsp;&nbsp;&nbsp;
Functions: <span class="metric">100% <small>(3 / 3)</small></span> &nbsp;&nbsp;&nbsp;&nbsp;
Lines: <span class="metric">94.44% <small>(17 / 18)</small></span> &nbsp;&nbsp;&nbsp;&nbsp;
Ignored: <span class="metric"><span class="ignore-none">none</span></span> &nbsp;&nbsp;&nbsp;&nbsp;
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<div class="path"><a href="../index.html">All files</a> &#187; <a href="index.html">lib/</a> &#187; sync-reader.js</div>
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<span class="cline-any cline-neutral">&nbsp;</span></td><td class="text"><pre class="prettyprint lang-js">// Copyright (c) 2012 Kuba Niegowski
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
&nbsp;
'use strict';
&nbsp;
var SyncReader = module.exports = function (buffer) {
&nbsp;
this._buffer = buffer;
this._reads = [];
};
&nbsp;
SyncReader.prototype.read = function (length, callback) {
&nbsp;
this._reads.push({
length: Math.abs(length), // if length &lt; 0 then at most this length
allowLess: length &lt; 0,
func: callback
});
};
&nbsp;
SyncReader.prototype.process = function () {
&nbsp;
// as long as there is any data and read requests
while (this._reads.length &gt; 0 &amp;&amp; this._buffer.length) {
&nbsp;
var read = this._reads[0];
&nbsp;
<span class="missing-if-branch" title="else path not taken" >E</span>if (this._buffer.length &amp;&amp; (this._buffer.length &gt;= read.length || <span class="branch-2 cbranch-no" title="branch not covered" >read.allowLess)</span>) {
&nbsp;
// ok there is any data so that we can satisfy this request
this._reads.shift(); // == read
&nbsp;
var buf = this._buffer;
&nbsp;
this._buffer = buf.slice(read.length);
&nbsp;
read.func.call(this, buf.slice(0, read.length));
&nbsp;
} else {
<span class="cstat-no" title="statement not covered" > break;</span>
}
&nbsp;
}
&nbsp;
if (this._reads.length &gt; 0) {
return new Error('There are some read requests waitng on finished stream');
}
&nbsp;
if (this._buffer.length &gt; 0) {
return new Error('unrecognised content at end of stream');
}
&nbsp;
};
&nbsp;</pre></td></tr>
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