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Editorial: use Infra to define the ordered set parser #427

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merged 2 commits into from Mar 19, 2017
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Editorial: use Infra to define the ordered set parser #427

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Editorial: use Infra to define the ordered set parser
annevk Mar 17, 2017
9efdfd7
use split on ASCII whitespace
annevk Mar 18, 2017
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21 changes: 5 additions & 16 deletions dom.bs
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Expand Up @@ -229,24 +229,13 @@ of <a>preceding</a>
<var>input</var> and then runs these steps:

<ol>
<li><p>Let <var>position</var> be a pointer into <var>input</var>, initially pointing at the start
of the string.
<li><p>Let <var>inputTokens</var> be the result of
<a lt="split on ASCII whitespace">splitting <var>input</var> on ASCII whitespace</a>.

<li><p>Let <var>tokens</var> be an <a>ordered set</a>, initially empty.
<li><p>Let <var>tokens</var> be a new <a>ordered set</a>.

<li><p><a>Skip ASCII whitespace</a> within <var>input</var> given <var>position</var>.

<li><p>While <var>position</var> is not past the end of <var>input</var>:

<ol>
<li><p>Let <var>token</var> be the result of <a>collecting a sequence of code points</a> that are
not <a>ASCII whitespace</a> from <var>input</var> given <var>position</var>.

<li><p>If <var>token</var> is not in <var>tokens</var>, <a for=set>append</a> <var>token</var> to
<var>tokens</var>.

<li><p><a>Skip ASCII whitespace</a> within <var>input</var> given <var>position</var>.
</ol>
<li><p><a for=list>For each</a> <var>token</var> in <var>inputTokens</var>, <a for=set>append</a>
<var>token</var> to <var>tokens</var>.

<li>Return <var>tokens</var>.
</ol>
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