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<title>Castle Game Engine: CastleClassUtils: Class TBufferedReadStream</title>
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<a name="TBufferedReadStream"></a><h1 class="cio">Class TBufferedReadStream</h1>
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<td><a class="section" href="#PasDoc-Description">Description</a></td><td><a class="section" href="#PasDoc-Hierarchy">Hierarchy</a></td><td>Fields</td><td><a class="section" href="#PasDoc-Methods">Methods</a></td><td><a class="section" href="#PasDoc-Properties">Properties</a></td></tr></table>
<a name="PasDoc-Description"></a><h2 class="unit">Unit</h2>
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<a href="CastleClassUtils.html">CastleClassUtils</a></p>
<h2 class="declaration">Declaration</h2>
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<code>type TBufferedReadStream = class(<a class="normal" href="CastleClassUtils.TPeekCharStream.html">TPeekCharStream</a>)</code></p>
<h2 class="description">Description</h2>
<p>
Read another stream, sequentially, always being able to back one character, and buffering it. This implements abstract <a class="normal" href="CastleClassUtils.TPeekCharStream.html">TPeekCharStream</a> class, so this is a purely sequential read-only stream that reads from underlying <a class="normal" href="CastleClassUtils.TPeekCharStream.html#SourceStream">SourceStream</a> and you can use <a class="normal" href="CastleClassUtils.TBufferedReadStream.html#PeekChar">PeekChar</a> and <a class="normal" href="CastleClassUtils.TBufferedReadStream.html#ReadChar">ReadChar</a> and <a class="normal" href="CastleClassUtils.TBufferedReadStream.html#ReadUpto">ReadUpto</a> routines.
<p>This stream will buffer incoming data from <a class="normal" href="CastleClassUtils.TPeekCharStream.html#SourceStream">SourceStream</a>. This means that reading by a very small chunks (like e.g. byte-by-byte) does not hurt performance.</p>
<a name="PasDoc-Hierarchy"></a><h2 class="hierarchy">Hierarchy</h2>
<ul class="hierarchy"><li class="ancestor">TStream</li>
<li class="ancestor"><a class="normal" href="CastleClassUtils.TPeekCharStream.html">TPeekCharStream</a></li>
<li class="thisitem">TBufferedReadStream</li></ul><h2 class="overview">Overview</h2>
<a name="PasDoc-Methods"></a><h3 class="summary">Methods</h3>
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<td class="itemcode"><code>function <b><a href="CastleClassUtils.TBufferedReadStream.html#GetPosition">GetPosition</a></b>: Int64; override;</code></td>
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<td class="itemcode"><code>function <b><a href="CastleClassUtils.TBufferedReadStream.html#Read">Read</a></b>(var LocalBuffer; Count: Longint): Longint; override;</code></td>
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<td class="itemcode"><code>function <b><a href="CastleClassUtils.TBufferedReadStream.html#PeekChar">PeekChar</a></b>: Integer; override;</code></td>
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<td class="itemcode"><code>function <b><a href="CastleClassUtils.TBufferedReadStream.html#ReadChar">ReadChar</a></b>: Integer; override;</code></td>
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<td class="itemcode"><code>function <b><a href="CastleClassUtils.TBufferedReadStream.html#ReadUpto">ReadUpto</a></b>(const EndingChars: <a href="CastleStringUtils.html#TSetOfChars">TSetOfChars</a>): string; override;</code></td>
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<td class="itemcode"><code>constructor <b><a href="CastleClassUtils.TBufferedReadStream.html#Create">Create</a></b>(ASourceStream: TStream; AOwnsSourceStream: boolean; ABufferSize: LongWord = <a href="CastleClassUtils.html#DefaultReadBufferSize">DefaultReadBufferSize</a>);</code></td>
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<td class="itemcode"><code>destructor <b><a href="CastleClassUtils.TBufferedReadStream.html#Destroy">Destroy</a></b>; override;</code></td>
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<a name="PasDoc-Properties"></a><h3 class="summary">Properties</h3>
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<td class="itemcode"><code>property <b><a href="CastleClassUtils.TBufferedReadStream.html#BufferSize">BufferSize</a></b>: LongWord <a href="CastleClassUtils.TBufferedReadStream.html#Read">read</a> FBufferSize;</code></td>
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<h2 class="description">Description</h2>
<h3 class="detail">Methods</h3>
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<td class="itemcode"><a name="GetPosition"></a><code>function <b>GetPosition</b>: Int64; override;</code></td>
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<td class="itemcode"><a name="Read"></a><code>function <b>Read</b>(var LocalBuffer; Count: Longint): Longint; override;</code></td>
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<td class="itemcode"><a name="PeekChar"></a><code>function <b>PeekChar</b>: Integer; override;</code></td>
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<td class="itemcode"><a name="ReadChar"></a><code>function <b>ReadChar</b>: Integer; override;</code></td>
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<td class="itemcode"><a name="ReadUpto"></a><code>function <b>ReadUpto</b>(const EndingChars: <a href="CastleStringUtils.html#TSetOfChars">TSetOfChars</a>): string; override;</code></td>
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<td class="itemcode"><a name="Create"></a><code>constructor <b>Create</b>(ASourceStream: TStream; AOwnsSourceStream: boolean; ABufferSize: LongWord = <a href="CastleClassUtils.html#DefaultReadBufferSize">DefaultReadBufferSize</a>);</code></td>
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<td class="itemcode"><a name="Destroy"></a><code>destructor <b>Destroy</b>; override;</code></td>
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<h3 class="detail">Properties</h3>
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<td class="itemcode"><a name="BufferSize"></a><code>property <b>BufferSize</b>: LongWord <a href="CastleClassUtils.TBufferedReadStream.html#Read">read</a> FBufferSize;</code></td>
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