mirror of
https://github.com/neogeek23/rusty_snek_gaem.git
synced 2026-02-05 11:38:44 +00:00
33 lines
20 KiB
HTML
33 lines
20 KiB
HTML
<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="API documentation for the Rust `ZlibEncoder` struct in crate `deflate`."><meta name="keywords" content="rust, rustlang, rust-lang, ZlibEncoder"><title>deflate::write::ZlibEncoder - Rust</title><link rel="stylesheet" type="text/css" href="../../normalize.css"><link rel="stylesheet" type="text/css" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../dark.css"><link rel="stylesheet" type="text/css" href="../../light.css" id="themeStyle"><script src="../../storage.js"></script></head><body class="rustdoc struct"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">☰</div><p class='location'>Struct ZlibEncoder</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#methods">Methods</a><div class="sidebar-links"><a href="#method.new">new</a><a href="#method.finish">finish</a><a href="#method.reset">reset</a><a href="#method.checksum">checksum</a></div><a class="sidebar-title" href="#implementations">Trait Implementations</a><div class="sidebar-links"><a href="#impl-Write">Write</a><a href="#impl-Drop">Drop</a></div><a class="sidebar-title" href="#synthetic-implementations">Auto Trait Implementations</a><div class="sidebar-links"><a href="#impl-Send">Send</a><a href="#impl-Sync">Sync</a></div></div><p class='location'><a href='../index.html'>deflate</a>::<wbr><a href='index.html'>write</a></p><script>window.sidebarCurrent = {name: 'ZlibEncoder', ty: 'struct', relpath: ''};</script><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!"><img src="../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices"></div></div><script src="../../theme.js"></script><nav class="sub"><form class="search-form js-only"><div class="search-container"><input class="search-input" name="search" autocomplete="off" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><a id="settings-menu" href="../../settings.html"><img src="../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class='fqn'><span class='in-band'>Struct <a href='../index.html'>deflate</a>::<wbr><a href='index.html'>write</a>::<wbr><a class="struct" href=''>ZlibEncoder</a></span><span class='out-of-band'><span id='render-detail'><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class='inner'>−</span>]</a></span><a class='srclink' href='../../src/deflate/writer.rs.html#186-190' title='goto source code'>[src]</a></span></h1><div class="docblock type-decl"><pre class='rust struct'>pub struct ZlibEncoder<W: <a class="trait" href="https://doc.rust-lang.org/nightly/std/io/trait.Write.html" title="trait std::io::Write">Write</a>> { /* fields omitted */ }</pre></div><div class='docblock'><p>A Zlib encoder/compressor.</p>
|
||
<p>A struct implementing a <a href="https://doc.rust-lang.org/std/io/trait.Write.html"><code>Write</code></a> interface that takes unencoded data and compresses it to
|
||
the provided writer using DEFLATE compression with Zlib headers and trailers.</p>
|
||
<h1 id="examples" class="section-header"><a href="#examples">Examples</a></h1>
|
||
<pre class="rust rust-example-rendered">
|
||
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">io</span>::<span class="ident">Write</span>;
|
||
|
||
<span class="kw">use</span> <span class="ident">deflate</span>::<span class="ident">Compression</span>;
|
||
<span class="kw">use</span> <span class="ident">deflate</span>::<span class="ident">write</span>::<span class="ident">ZlibEncoder</span>;
|
||
|
||
<span class="kw">let</span> <span class="ident">data</span> <span class="op">=</span> <span class="string">b"This is some test data"</span>;
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">encoder</span> <span class="op">=</span> <span class="ident">ZlibEncoder</span>::<span class="ident">new</span>(<span class="ident">Vec</span>::<span class="ident">new</span>(), <span class="ident">Compression</span>::<span class="ident">Default</span>);
|
||
<span class="ident">encoder</span>.<span class="ident">write_all</span>(<span class="ident">data</span>)<span class="question-mark">?</span>;
|
||
<span class="kw">let</span> <span class="ident">compressed_data</span> <span class="op">=</span> <span class="ident">encoder</span>.<span class="ident">finish</span>()<span class="question-mark">?</span>;</pre>
|
||
</div><h2 id='methods' class='small-section-header'>Methods<a href='#methods' class='anchor'></a></h2><h3 id='impl' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl<W: <a class="trait" href="https://doc.rust-lang.org/nightly/std/io/trait.Write.html" title="trait std::io::Write">Write</a>> <a class="struct" href="../../deflate/write/struct.ZlibEncoder.html" title="struct deflate::write::ZlibEncoder">ZlibEncoder</a><W></code><a href='#impl' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/deflate/writer.rs.html#192-252' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><div class='impl-items'><h4 id='method.new' class="method"><div class="important-traits"><div class='tooltip'>ⓘ<span class='tooltiptext'>Important traits for <a class="struct" href="../../deflate/write/struct.ZlibEncoder.html" title="struct deflate::write::ZlibEncoder">ZlibEncoder</a><W></span></div><div class="content hidden"><h3 class="important">Important traits for <a class="struct" href="../../deflate/write/struct.ZlibEncoder.html" title="struct deflate::write::ZlibEncoder">ZlibEncoder</a><W></h3><code class="content"><span class="where fmt-newline">impl<W: <a class="trait" href="https://doc.rust-lang.org/nightly/std/io/trait.Write.html" title="trait std::io::Write">Write</a>> <a class="trait" href="https://doc.rust-lang.org/nightly/std/io/trait.Write.html" title="trait std::io::Write">Write</a> for <a class="struct" href="../../deflate/write/struct.ZlibEncoder.html" title="struct deflate::write::ZlibEncoder">ZlibEncoder</a><W></span></code></div></div><span id='new.v' class='invisible'><table class='table-display'><tbody><tr><td><code>pub fn <a href='#method.new' class='fnname'>new</a><O: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><<a class="struct" href="../../deflate/struct.CompressionOptions.html" title="struct deflate::CompressionOptions">CompressionOptions</a>>>(writer: W, options: O) -> <a class="struct" href="../../deflate/write/struct.ZlibEncoder.html" title="struct deflate::write::ZlibEncoder">ZlibEncoder</a><W></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/deflate/writer.rs.html#194-200' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Create a new <code>ZlibEncoder</code> using the provided compression options.</p>
|
||
</div><h4 id='method.finish' class="method"><span id='finish.v' class='invisible'><table class='table-display'><tbody><tr><td><code>pub fn <a href='#method.finish' class='fnname'>finish</a>(self) -> <a class="type" href="https://doc.rust-lang.org/nightly/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a><W></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/deflate/writer.rs.html#212-217' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Encode all pending data to the contained writer, consume this <code>ZlibEncoder</code>,
|
||
and return the contained writer if writing succeeds.</p>
|
||
</div><h4 id='method.reset' class="method"><span id='reset.v' class='invisible'><table class='table-display'><tbody><tr><td><code>pub fn <a href='#method.reset' class='fnname'>reset</a>(&mut self, writer: W) -> <a class="type" href="https://doc.rust-lang.org/nightly/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a><W></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/deflate/writer.rs.html#221-226' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Resets the encoder (except the compression options), replacing the current writer
|
||
with a new one, returning the old one.</p>
|
||
</div><h4 id='method.checksum' class="method"><span id='checksum.v' class='invisible'><table class='table-display'><tbody><tr><td><code>pub fn <a href='#method.checksum' class='fnname'>checksum</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/deflate/writer.rs.html#249-251' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Return the adler32 checksum of the currently consumed data.</p>
|
||
</div></div><h2 id='implementations' class='small-section-header'>Trait Implementations<a href='#implementations' class='anchor'></a></h2><div id='implementations-list'><h3 id='impl-Write' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl<W: <a class="trait" href="https://doc.rust-lang.org/nightly/std/io/trait.Write.html" title="trait std::io::Write">Write</a>> <a class="trait" href="https://doc.rust-lang.org/nightly/std/io/trait.Write.html" title="trait std::io::Write">Write</a> for <a class="struct" href="../../deflate/write/struct.ZlibEncoder.html" title="struct deflate::write::ZlibEncoder">ZlibEncoder</a><W></code><a href='#impl-Write' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/deflate/writer.rs.html#254-278' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><div class='impl-items'><h4 id='method.write' class="method"><span id='write.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='https://doc.rust-lang.org/nightly/std/io/trait.Write.html#tymethod.write' class='fnname'>write</a>(&mut self, buf: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">&[</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">]</a>) -> <a class="type" href="https://doc.rust-lang.org/nightly/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/deflate/writer.rs.html#255-268' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Write a buffer into this object, returning how many bytes were written. <a href="https://doc.rust-lang.org/nightly/std/io/trait.Write.html#tymethod.write">Read more</a></p>
|
||
</div><h4 id='method.flush' class="method"><span id='flush.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='https://doc.rust-lang.org/nightly/std/io/trait.Write.html#tymethod.flush' class='fnname'>flush</a>(&mut self) -> <a class="type" href="https://doc.rust-lang.org/nightly/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/deflate/writer.rs.html#275-277' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Flush the encoder.</p>
|
||
<p>This will flush the encoder, emulating the Sync flush method from Zlib.
|
||
This essentially finishes the current block, and sends an additional empty stored block to
|
||
the writer.</p>
|
||
</div><h4 id='method.write_all' class="method"><span id='write_all.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='https://doc.rust-lang.org/nightly/std/io/trait.Write.html#method.write_all' class='fnname'>write_all</a>(&mut self, buf: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">&[</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">]</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, <a class="struct" href="https://doc.rust-lang.org/nightly/std/io/error/struct.Error.html" title="struct std::io::error::Error">Error</a>></code></span></td><td><span class='out-of-band'><div class='ghost'></div><div class='since' title='Stable since Rust version 1.0.0'>1.0.0</div><a class='srclink' href='https://doc.rust-lang.org/nightly/src/std/io/mod.rs.html#1109-1120' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Attempts to write an entire buffer into this write. <a href="https://doc.rust-lang.org/nightly/std/io/trait.Write.html#method.write_all">Read more</a></p>
|
||
</div><h4 id='method.write_fmt' class="method"><span id='write_fmt.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='https://doc.rust-lang.org/nightly/std/io/trait.Write.html#method.write_fmt' class='fnname'>write_fmt</a>(&mut self, fmt: <a class="struct" href="https://doc.rust-lang.org/nightly/core/fmt/struct.Arguments.html" title="struct core::fmt::Arguments">Arguments</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, <a class="struct" href="https://doc.rust-lang.org/nightly/std/io/error/struct.Error.html" title="struct std::io::error::Error">Error</a>></code></span></td><td><span class='out-of-band'><div class='ghost'></div><div class='since' title='Stable since Rust version 1.0.0'>1.0.0</div><a class='srclink' href='https://doc.rust-lang.org/nightly/src/std/io/mod.rs.html#1161-1193' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Writes a formatted string into this writer, returning any error encountered. <a href="https://doc.rust-lang.org/nightly/std/io/trait.Write.html#method.write_fmt">Read more</a></p>
|
||
</div><h4 id='method.by_ref' class="method"><span id='by_ref.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='https://doc.rust-lang.org/nightly/std/io/trait.Write.html#method.by_ref' class='fnname'>by_ref</a>(&mut self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>Self</code></span></td><td><span class='out-of-band'><div class='ghost'></div><div class='since' title='Stable since Rust version 1.0.0'>1.0.0</div><a class='srclink' href='https://doc.rust-lang.org/nightly/src/std/io/mod.rs.html#1217' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Creates a "by reference" adaptor for this instance of <code>Write</code>. <a href="https://doc.rust-lang.org/nightly/std/io/trait.Write.html#method.by_ref">Read more</a></p>
|
||
</div></div><h3 id='impl-Drop' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl<W: <a class="trait" href="https://doc.rust-lang.org/nightly/std/io/trait.Write.html" title="trait std::io::Write">Write</a>> <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/drop/trait.Drop.html" title="trait core::ops::drop::Drop">Drop</a> for <a class="struct" href="../../deflate/write/struct.ZlibEncoder.html" title="struct deflate::write::ZlibEncoder">ZlibEncoder</a><W></code><a href='#impl-Drop' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/deflate/writer.rs.html#280-291' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><div class='impl-items'><h4 id='method.drop' class="method"><span id='drop.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='https://doc.rust-lang.org/nightly/core/ops/drop/trait.Drop.html#tymethod.drop' class='fnname'>drop</a>(&mut self)</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/deflate/writer.rs.html#286-290' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>When the encoder is dropped, output the rest of the data.</p>
|
||
<p>WARNING: This may silently fail if writing fails, so using this to finish encoding
|
||
for writers where writing might fail is not recommended, for that call
|
||
<a href="#method.finish"><code>finish()</code></a> instead.</p>
|
||
</div></div></div><h2 id='synthetic-implementations' class='small-section-header'>Auto Trait Implementations<a href='#synthetic-implementations' class='anchor'></a></h2><div id='synthetic-implementations-list'><h3 id='impl-Send' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl<W> <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> for <a class="struct" href="../../deflate/write/struct.ZlibEncoder.html" title="struct deflate::write::ZlibEncoder">ZlibEncoder</a><W> <span class="where fmt-newline">where<br> W: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a>, </span></code><a href='#impl-Send' class='anchor'></a></span></td><td><span class='out-of-band'></span></td></tr></tbody></table></h3><div class='impl-items'></div><h3 id='impl-Sync' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl<W> <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> for <a class="struct" href="../../deflate/write/struct.ZlibEncoder.html" title="struct deflate::write::ZlibEncoder">ZlibEncoder</a><W> <span class="where fmt-newline">where<br> W: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a>, </span></code><a href='#impl-Sync' class='anchor'></a></span></td><td><span class='out-of-band'></span></td></tr></tbody></table></h3><div class='impl-items'></div></div></section><section id="search" class="content hidden"></section><section class="footer"></section><aside id="help" class="hidden"><div><h1 class="hidden">Help</h1><div class="shortcuts"><h2>Keyboard Shortcuts</h2><dl><dt><kbd>?</kbd></dt><dd>Show this help dialog</dd><dt><kbd>S</kbd></dt><dd>Focus the search field</dd><dt><kbd>↑</kbd></dt><dd>Move up in search results</dd><dt><kbd>↓</kbd></dt><dd>Move down in search results</dd><dt><kbd>↹</kbd></dt><dd>Switch tab</dd><dt><kbd>⏎</kbd></dt><dd>Go to active search result</dd><dt><kbd>+</kbd></dt><dd>Expand all sections</dd><dt><kbd>-</kbd></dt><dd>Collapse all sections</dd></dl></div><div class="infos"><h2>Search Tricks</h2><p>Prefix searches with a type followed by a colon (e.g. <code>fn:</code>) to restrict the search to a given type.</p><p>Accepted types are: <code>fn</code>, <code>mod</code>, <code>struct</code>, <code>enum</code>, <code>trait</code>, <code>type</code>, <code>macro</code>, and <code>const</code>.</p><p>Search functions by type signature (e.g. <code>vec -> usize</code> or <code>* -> vec</code>)</p><p>Search multiple things at once by splitting your query with comma (e.g. <code>str,u8</code> or <code>String,struct:Vec,test</code>)</p></div></div></aside><script>window.rootPath = "../../";window.currentCrate = "deflate";</script><script src="../../aliases.js"></script><script src="../../main.js"></script><script defer src="../../search-index.js"></script></body></html> |