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<h1 id="tags">Tags</h1>
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<h2 id="code-block">Code block</h2>
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<p>You can write Rust statement inside <code><% %></code> tag.</p>
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<div class="tabbed-set tabbed-alternate" data-tabs="1:2"><input checked="checked" id="__tabbed_1_1" name="__tabbed_1" type="radio" /><input id="__tabbed_1_2" name="__tabbed_1" type="radio" /><div class="tabbed-labels"><label for="__tabbed_1_1">Template</label><label for="__tabbed_1_2">Result</label></div>
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<div class="tabbed-content">
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<div class="tabbed-block">
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<div class="highlight"><pre><span></span><code><span class="cp"><%</span>
|
|
<span class="n">let</span> <span class="n">mut</span> <span class="n">total</span> <span class="o">=</span> <span class="mi">0</span><span class="p">;</span>
|
|
<span class="k">for</span> <span class="n">i</span> <span class="k">in</span> <span class="mi">1</span><span class="o">..</span> <span class="p">{</span>
|
|
<span class="n">total</span> <span class="o">+=</span> <span class="n">i</span><span class="p">;</span>
|
|
<span class="k">if</span> <span class="n">i</span> <span class="o">></span> <span class="mi">100</span> <span class="p">{</span>
|
|
<span class="k">break</span><span class="p">;</span>
|
|
<span class="p">}</span>
|
|
<span class="p">}</span>
|
|
<span class="cp">%></span>
|
|
<span class="p"><</span><span class="nt">div</span><span class="p">></span>total = <span class="cp"><%=</span> <span class="n">total</span> <span class="cp">%></span><span class="p"></</span><span class="nt">div</span><span class="p">></span>
|
|
</code></pre></div>
|
|
</div>
|
|
<div class="tabbed-block">
|
|
<div class="highlight"><pre><span></span><code><span class="p"><</span><span class="nt">div</span><span class="p">></span>total = 105<span class="p"></</span><span class="nt">div</span><span class="p">></span>
|
|
</code></pre></div>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
<div class="admonition note">
|
|
<p class="admonition-title">Note</p>
|
|
<p>Make sure that you cannot omit braces, parenthesis, and semicolons.</p>
|
|
</div>
|
|
<p>Sailfish is smart enough to figure out where the code block ends, so you can even include <code>%></code> inside Rust comments or string literals.</p>
|
|
<div class="tabbed-set tabbed-alternate" data-tabs="2:2"><input checked="checked" id="__tabbed_2_1" name="__tabbed_2" type="radio" /><input id="__tabbed_2_2" name="__tabbed_2" type="radio" /><div class="tabbed-labels"><label for="__tabbed_2_1">Template</label><label for="__tabbed_2_2">Result</label></div>
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<div class="tabbed-content">
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<div class="tabbed-block">
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|
<div class="highlight"><pre><span></span><code><% /* Tag does not ends at %>! */ %>
|
|
</code></pre></div>
|
|
</div>
|
|
<div class="tabbed-block">
|
|
<div class="highlight"><pre><span></span><code>
|
|
</code></pre></div>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
<p>If you need to simply render <code><%</code> character, you can escape it, or use evaluation block (described below).</p>
|
|
<div class="tabbed-set tabbed-alternate" data-tabs="3:2"><input checked="checked" id="__tabbed_3_1" name="__tabbed_3" type="radio" /><input id="__tabbed_3_2" name="__tabbed_3" type="radio" /><div class="tabbed-labels"><label for="__tabbed_3_1">Template</label><label for="__tabbed_3_2">Result</label></div>
|
|
<div class="tabbed-content">
|
|
<div class="tabbed-block">
|
|
<div class="highlight"><pre><span></span><code><%% is converted into <%- "<%" %> character.
|
|
</code></pre></div>
|
|
</div>
|
|
<div class="tabbed-block">
|
|
<div class="highlight"><pre><span></span><code><% is converted into <% character
|
|
</code></pre></div>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
<p>Although almost all Rust statement is supported, the following statements inside templates may cause a strange compilation error.</p>
|
|
<ul>
|
|
<li>Function/Macro definition that render some contents</li>
|
|
<li><code>impl</code> item</li>
|
|
<li>Macro call which defines some local variable.</li>
|
|
<li>Macro call which behaviour depends on the path to source file</li>
|
|
<li>Generator expression (yield)</li>
|
|
</ul>
|
|
<h2 id="evaluation-block">Evaluation block</h2>
|
|
<p>Rust expression inside <code><%= %></code> tag is evaluated and the result will be rendered.</p>
|
|
<div class="tabbed-set tabbed-alternate" data-tabs="4:2"><input checked="checked" id="__tabbed_4_1" name="__tabbed_4" type="radio" /><input id="__tabbed_4_2" name="__tabbed_4" type="radio" /><div class="tabbed-labels"><label for="__tabbed_4_1">Template</label><label for="__tabbed_4_2">Result</label></div>
|
|
<div class="tabbed-content">
|
|
<div class="tabbed-block">
|
|
<div class="highlight"><pre><span></span><code><span class="cp"><%</span> <span class="n">let</span> <span class="n">a</span> <span class="o">=</span> <span class="mi">1</span><span class="p">;</span> <span class="cp">%><%=</span> <span class="n">a</span> <span class="o">+</span> <span class="mi">2</span> <span class="cp">%></span>
|
|
</code></pre></div>
|
|
</div>
|
|
<div class="tabbed-block">
|
|
<div class="highlight"><pre><span></span><code>3
|
|
</code></pre></div>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
<p>If the result contains <code>&"'<></code> characters, sailfish replaces these characters with the equivalent html.</p>
|
|
<p>If you want to render the results without escaping, you can use <code><%- %></code> tag or <a href="../../options/">configure sailfish to not escape by default</a>.</p>
|
|
<div class="tabbed-set tabbed-alternate" data-tabs="5:2"><input checked="checked" id="__tabbed_5_1" name="__tabbed_5" type="radio" /><input id="__tabbed_5_2" name="__tabbed_5" type="radio" /><div class="tabbed-labels"><label for="__tabbed_5_1">Template</label><label for="__tabbed_5_2">Result</label></div>
|
|
<div class="tabbed-content">
|
|
<div class="tabbed-block">
|
|
<div class="highlight"><pre><span></span><code><span class="p"><</span><span class="nt">div</span><span class="p">></span>
|
|
<span class="cp"><%-</span> <span class="s2">"<h1>Hello, World!</h1>"</span> <span class="cp">%></span>
|
|
<span class="p"></</span><span class="nt">div</span><span class="p">></span>
|
|
</code></pre></div>
|
|
</div>
|
|
<div class="tabbed-block">
|
|
<div class="highlight"><pre><span></span><code><span class="p"><</span><span class="nt">div</span><span class="p">></span>
|
|
<span class="p"><</span><span class="nt">h1</span><span class="p">></span>Hello, World!<span class="p"></</span><span class="nt">h1</span><span class="p">></span>
|
|
<span class="p"></</span><span class="nt">div</span><span class="p">></span>
|
|
</code></pre></div>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
<div class="admonition note">
|
|
<p class="admonition-title">Note</p>
|
|
<p>Evaluation block does not return any value, so you cannot use the block to pass the render result to another code block. The following code is invalid.</p>
|
|
<div class="highlight"><pre><span></span><code><span class="cp"><%</span> <span class="n">let</span> <span class="n">result</span> <span class="o">=</span> <span class="cp">%><%=</span> <span class="mi">1</span> <span class="cp">%><%</span> <span class="p">;</span> <span class="cp">%></span>
|
|
</code></pre></div>
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