target/doc/mailparse/fn.parse_content_type.html


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<h1 class='fqn'><span class='in-band'>Function <a href='index.html'>mailparse</a>::<wbr><a class='fn' href=''>parse_content_type</a></span><span class='out-of-band'><span id='render-detail'>
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                       [<span class='inner'>&#x2212;</span>]
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               </span><a id='src-279' class='srclink' href='../src/mailparse/src/lib.rs.html#522-551' title='goto source code'>[src]</a></span></h1>
<pre class='rust fn'>pub fn parse_content_type(header: &amp;<a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.str.html'>str</a>) -&gt; <a class='enum' href='https://doc.rust-lang.org/nightly/core/result/enum.Result.html' title='core::result::Result'>Result</a>&lt;<a class='struct' href='../mailparse/struct.ParsedContentType.html' title='mailparse::ParsedContentType'>ParsedContentType</a>,&nbsp;<a class='enum' href='../mailparse/enum.MailParseError.html' title='mailparse::MailParseError'>MailParseError</a>&gt;</pre><div class='docblock'><p>Helper method to parse a header value as a Content-Type header. The charset
defaults to &quot;us-ascii&quot; if no charset parameter is provided in the header
value.</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'>mailparse</span>::{<span class='ident'>parse_header</span>, <span class='ident'>parse_content_type</span>};
    <span class='kw'>let</span> (<span class='ident'>parsed</span>, _) <span class='op'>=</span> <span class='ident'>parse_header</span>(
            <span class='string'>b&quot;Content-Type: text/html; charset=foo; boundary=\&quot;quotes_are_removed\&quot;&quot;</span>)
        .<span class='ident'>unwrap</span>();
    <span class='kw'>let</span> <span class='ident'>ctype</span> <span class='op'>=</span> <span class='ident'>parse_content_type</span>(<span class='kw-2'>&amp;</span><span class='ident'>parsed</span>.<span class='ident'>get_value</span>().<span class='ident'>unwrap</span>()).<span class='ident'>unwrap</span>();
    <span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>ctype</span>.<span class='ident'>mimetype</span>, <span class='string'>&quot;text/html&quot;</span>);
    <span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>ctype</span>.<span class='ident'>charset</span>, <span class='string'>&quot;foo&quot;</span>);
    <span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>ctype</span>.<span class='ident'>boundary</span>, <span class='prelude-val'>Some</span>(<span class='string'>&quot;quotes_are_removed&quot;</span>.<span class='ident'>to_string</span>()));<a class='test-arrow' target='_blank' href=''>Run</a></pre>

<pre class='rust rust-example-rendered'>
    <span class='kw'>use</span> <span class='ident'>mailparse</span>::{<span class='ident'>parse_header</span>, <span class='ident'>parse_content_type</span>};
    <span class='kw'>let</span> (<span class='ident'>parsed</span>, _) <span class='op'>=</span> <span class='ident'>parse_header</span>(<span class='string'>b&quot;Content-Type: bogus&quot;</span>).<span class='ident'>unwrap</span>();
    <span class='kw'>let</span> <span class='ident'>ctype</span> <span class='op'>=</span> <span class='ident'>parse_content_type</span>(<span class='kw-2'>&amp;</span><span class='ident'>parsed</span>.<span class='ident'>get_value</span>().<span class='ident'>unwrap</span>()).<span class='ident'>unwrap</span>();
    <span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>ctype</span>.<span class='ident'>mimetype</span>, <span class='string'>&quot;bogus&quot;</span>);
    <span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>ctype</span>.<span class='ident'>charset</span>, <span class='string'>&quot;us-ascii&quot;</span>);
    <span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>ctype</span>.<span class='ident'>boundary</span>, <span class='prelude-val'>None</span>);<a class='test-arrow' target='_blank' href=''>Run</a></pre>

<pre class='rust rust-example-rendered'>
    <span class='kw'>use</span> <span class='ident'>mailparse</span>::{<span class='ident'>parse_header</span>, <span class='ident'>parse_content_type</span>};
    <span class='kw'>let</span> (<span class='ident'>parsed</span>, _) <span class='op'>=</span> <span class='ident'>parse_header</span>(<span class='string'>br#&quot;Content-Type: application/octet-stream;name=&quot;=?utf8?B?6L+O5ai255m95a+M576O?=&quot;;charset=&quot;utf8&quot;&quot;#</span>).<span class='ident'>unwrap</span>();
    <span class='kw'>let</span> <span class='ident'>ctype</span> <span class='op'>=</span> <span class='ident'>parse_content_type</span>(<span class='kw-2'>&amp;</span><span class='ident'>parsed</span>.<span class='ident'>get_value</span>().<span class='ident'>unwrap</span>()).<span class='ident'>unwrap</span>();
    <span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>ctype</span>.<span class='ident'>mimetype</span>, <span class='string'>&quot;application/octet-stream&quot;</span>);
    <span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>ctype</span>.<span class='ident'>charset</span>, <span class='string'>&quot;utf8&quot;</span>);
    <span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>ctype</span>.<span class='ident'>boundary</span>, <span class='prelude-val'>None</span>);
    <span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>ctype</span>.<span class='ident'>name</span>, <span class='prelude-val'>Some</span>(<span class='string'>&quot;迎娶白富美&quot;</span>.<span class='ident'>to_string</span>()));<a class='test-arrow' target='_blank' href=''>Run</a></pre>
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