<!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="Source of the Rust file `actix-multipart/src/form/bytes.rs`."><title>bytes.rs - source</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-46f98efaafac5295.ttf.woff2,FiraSans-Regular-018c141bf0843ffd.woff2,FiraSans-Medium-8f9a781e4970d388.woff2,SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2,SourceCodePro-Semibold-d899c5a5c4aeb14a.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2" crossorigin href="../../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../../static.files/normalize-76eba96aa4d2e634.css"><link rel="stylesheet" href="../../../static.files/rustdoc-dd39b87e5fcfba68.css"><meta name="rustdoc-vars" data-root-path="../../../" data-static-root-path="../../../static.files/" data-current-crate="actix_multipart" data-themes="" data-resource-suffix="" data-rustdoc-version="1.80.0-nightly (bdbbb6c6a 2024-05-26)" data-channel="nightly" data-search-js="search-d52510db62a78183.js" data-settings-js="settings-4313503d2e1961c2.js" ><script src="../../../static.files/storage-118b08c4c78b968e.js"></script><script defer src="../../../static.files/src-script-e66d777a5a92e9b2.js"></script><script defer src="../../../src-files.js"></script><script defer src="../../../static.files/main-20a3ad099b048cf2.js"></script><noscript><link rel="stylesheet" href="../../../static.files/noscript-df360f571f6edeae.css"></noscript><link rel="icon" href="https://actix.rs/favicon.ico"></head><body class="rustdoc src"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="src-sidebar-title"><h2>Files</h2></div></nav><div class="sidebar-resizer"></div><main><rustdoc-search></rustdoc-search><section id="main-content" class="content"><div class="example-wrap"><div data-nosnippet><pre class="src-line-numbers"><a href="#1" id="1">1</a>
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</pre></div><pre class="rust"><code><span class="doccomment">//! Reads a field into memory.
</span><span class="kw">use </span>actix_web::HttpRequest;
<span class="kw">use </span>bytes::BytesMut;
<span class="kw">use </span>futures_core::future::LocalBoxFuture;
<span class="kw">use </span>futures_util::TryStreamExt <span class="kw">as _</span>;
<span class="kw">use </span>mime::Mime;
<span class="kw">use crate</span>::{
form::{FieldReader, Limits},
Field, MultipartError,
};
<span class="doccomment">/// Read the field into memory.
</span><span class="attr">#[derive(Debug)]
</span><span class="kw">pub struct </span>Bytes {
<span class="doccomment">/// The data.
</span><span class="kw">pub </span>data: bytes::Bytes,
<span class="doccomment">/// The value of the `Content-Type` header.
</span><span class="kw">pub </span>content_type: <span class="prelude-ty">Option</span><Mime>,
<span class="doccomment">/// The `filename` value in the `Content-Disposition` header.
</span><span class="kw">pub </span>file_name: <span class="prelude-ty">Option</span><String>,
}
<span class="kw">impl</span><<span class="lifetime">'t</span>> FieldReader<<span class="lifetime">'t</span>> <span class="kw">for </span>Bytes {
<span class="kw">type </span>Future = LocalBoxFuture<<span class="lifetime">'t</span>, <span class="prelude-ty">Result</span><<span class="self">Self</span>, MultipartError>>;
<span class="kw">fn </span>read_field(<span class="kw">_</span>: <span class="kw-2">&</span><span class="lifetime">'t </span>HttpRequest, <span class="kw-2">mut </span>field: Field, limits: <span class="kw-2">&</span><span class="lifetime">'t </span><span class="kw-2">mut </span>Limits) -> <span class="self">Self</span>::Future {
Box::pin(<span class="kw">async move </span>{
<span class="kw">let </span><span class="kw-2">mut </span>buf = BytesMut::with_capacity(<span class="number">131_072</span>);
<span class="kw">while let </span><span class="prelude-val">Some</span>(chunk) = field.try_next().<span class="kw">await</span><span class="question-mark">? </span>{
limits.try_consume_limits(chunk.len(), <span class="bool-val">true</span>)<span class="question-mark">?</span>;
buf.extend(chunk);
}
<span class="prelude-val">Ok</span>(Bytes {
data: buf.freeze(),
content_type: field.content_type().map(ToOwned::to_owned),
file_name: field
.content_disposition()
.get_filename()
.map(str::to_owned),
})
})
}
}
</code></pre></div></section></main></body></html>