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Pepperminty-Wiki/docs/ModuleApi/classes/search.html
2019-02-24 16:03:11 +00:00

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<li class="class"><a href="../classes/ids.html">ids</a></li>
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<li class="class"><a href="../classes/PeppermintParsedown.html">PeppermintParsedown</a></li>
<li class="class"><a href="../classes/search.html">search</a></li>
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<h1><small>\</small>search</h1>
<p><em>Holds a collection to methods to manipulate various types of search index.</em></p>
<section id="summary">
<h2>Summary</h2>
<section class="row-fluid heading">
<section class="span4">
<a href="#methods">Methods</a>
</section>
<section class="span4">
<a href="#properties">Properties</a>
</section>
<section class="span4">
<a href="#constants">Constants</a>
</section>
</section>
<section class="row-fluid public">
<section class="span4">
<a href="../classes/search.html#method_index" class="">index()</a><br />
<a href="../classes/search.html#method_tokenize" class="">tokenize()</a><br />
<a href="../classes/search.html#method_strip_markup" class="">strip_markup()</a><br />
<a href="../classes/search.html#method_rebuild_invindex" class="">rebuild_invindex()</a><br />
<a href="../classes/search.html#method_sort_index" class="">sort_index()</a><br />
<a href="../classes/search.html#method_compare_indexes" class="">compare_indexes()</a><br />
<a href="../classes/search.html#method_load_invindex" class="">load_invindex()</a><br />
<a href="../classes/search.html#method_measure_invindex_load_time" class="">measure_invindex_load_time()</a><br />
<a href="../classes/search.html#method_merge_into_invindex" class="">merge_into_invindex()</a><br />
<a href="../classes/search.html#method_delete_entry" class="">delete_entry()</a><br />
<a href="../classes/search.html#method_save_invindex" class="">save_invindex()</a><br />
<a href="../classes/search.html#method_query_invindex" class="">query_invindex()</a><br />
<a href="../classes/search.html#method_extract_context" class="">extract_context()</a><br />
<a href="../classes/search.html#method_highlight_context" class="">highlight_context()</a><br />
</section>
<section class="span4">
<a href="../classes/search.html#property_stop_words" class="">$stop_words</a><br />
</section>
<section class="span4">
<em>No constants found</em>
</section>
</section>
<section class="row-fluid protected">
<section class="span4">
<em>No protected methods found</em>
</section>
<section class="span4">
<em>No protected properties found</em>
</section>
<section class="span4">
<em>N/A</em>
</section>
</section>
<section class="row-fluid private">
<section class="span4">
<em>No private methods found</em>
</section>
<section class="span4">
<em>No private properties found</em>
</section>
<section class="span4">
<em>N/A</em>
</section>
</section>
</section>
</div>
<aside class="span4 detailsbar">
<dl>
<dt>File</dt>
<dd><a href="../files/modules.feature-search.html"><div class="path-wrapper">modules/feature-search.php</div></a></dd>
<dt>Package</dt>
<dd><div class="namespace-wrapper">search</div></dd>
<dt>Class hierarchy</dt>
<dd class="hierarchy">
<div class="namespace-wrapper">\search</div>
</dd>
</dl>
<h2>Tags</h2>
<table class="table table-condensed">
<tr><td colspan="2"><em>None found</em></td></tr>
</table>
</aside>
</div>
<a id="properties" name="properties"></a>
<div class="row-fluid">
<div class="span8 content class">
<h2>Properties</h2>
</div>
<aside class="span4 detailsbar"></aside>
</div>
<div class="row-fluid">
<div class="span8 content class">
<a id="property_stop_words" name="property_stop_words" class="anchor"></a>
<article class="property">
<h3 class="public ">$stop_words</h3>
<pre class="signature">$stop_words : </pre>
<p><em>Words that we should exclude from the inverted index</em></p>
<h4>Type</h4>
</article>
</div>
<aside class="span4 detailsbar">
<h1><i class="icon-arrow-down"></i></h1>
<dl>
</dl>
<h2>Tags</h2>
<table class="table table-condensed">
<tr><td colspan="2"><em>None found</em></td></tr>
</table>
</aside>
</div>
<a id="methods" name="methods"></a>
<div class="row-fluid">
<div class="span8 content class"><h2>Methods</h2></div>
<aside class="span4 detailsbar"></aside>
</div>
<div class="row-fluid">
<div class="span8 content class">
<a id="method_index" name="method_index" class="anchor"></a>
<article class="method">
<h3 class="public ">index()</h3>
<a href="#source-view" role="button" class="pull-right btn" data-toggle="modal" style="font-size: 1.1em; padding: 9px 14px"><i class="icon-code"></i></a>
<pre class="signature" style="margin-right: 54px;">index(string <span class="argument">$source</span>) : array</pre>
<p><em>Converts a source string into an index of search terms that can be
merged into an inverted index.</em></p>
<h4>Parameters</h4>
<table class="table table-condensed table-hover">
<tr>
<td>string</td>
<td>$source </td>
<td><p>The source string to index.</p></td>
</tr>
</table>
<h4>Returns</h4>
array
&mdash; <p>An index represents the specified string.</p>
</article>
</div>
<aside class="span4 detailsbar">
<h1><i class="icon-arrow-down"></i></h1>
<span class="label label-info">static</span>
<dl>
</dl>
<h2>Tags</h2>
<table class="table table-condensed">
<tr><td colspan="2"><em>None found</em></td></tr>
</table>
</aside>
</div>
<div class="row-fluid">
<div class="span8 content class">
<a id="method_tokenize" name="method_tokenize" class="anchor"></a>
<article class="method">
<h3 class="public ">tokenize()</h3>
<a href="#source-view" role="button" class="pull-right btn" data-toggle="modal" style="font-size: 1.1em; padding: 9px 14px"><i class="icon-code"></i></a>
<pre class="signature" style="margin-right: 54px;">tokenize(string <span class="argument">$source</span>, boolean <span class="argument">$capture_offsets = false</span>) : array</pre>
<p><em>Converts a source string into a series of raw tokens.</em></p>
<h4>Parameters</h4>
<table class="table table-condensed table-hover">
<tr>
<td>string</td>
<td>$source </td>
<td><p>The source string to process.</p></td>
</tr>
<tr>
<td>boolean</td>
<td>$capture_offsets </td>
<td><p>Whether to capture &amp; return the character offsets of the tokens detected. If true, then each token returned will be an array in the form [ token, char_offset ].</p></td>
</tr>
</table>
<h4>Returns</h4>
array
&mdash; <p>An array of raw tokens extracted from the specified source string.</p>
</article>
</div>
<aside class="span4 detailsbar">
<h1><i class="icon-arrow-down"></i></h1>
<span class="label label-info">static</span>
<dl>
</dl>
<h2>Tags</h2>
<table class="table table-condensed">
<tr><td colspan="2"><em>None found</em></td></tr>
</table>
</aside>
</div>
<div class="row-fluid">
<div class="span8 content class">
<a id="method_strip_markup" name="method_strip_markup" class="anchor"></a>
<article class="method">
<h3 class="public ">strip_markup()</h3>
<a href="#source-view" role="button" class="pull-right btn" data-toggle="modal" style="font-size: 1.1em; padding: 9px 14px"><i class="icon-code"></i></a>
<pre class="signature" style="margin-right: 54px;">strip_markup(string <span class="argument">$source</span>) : string</pre>
<p><em>Removes (most) markdown markup from the specified string.</em></p>
<p>Stripped strings are not suitable for indexing!</p>
<h4>Parameters</h4>
<table class="table table-condensed table-hover">
<tr>
<td>string</td>
<td>$source </td>
<td><p>The source string to process.</p></td>
</tr>
</table>
<h4>Returns</h4>
string
&mdash; <p>The stripped string.</p>
</article>
</div>
<aside class="span4 detailsbar">
<h1><i class="icon-arrow-down"></i></h1>
<span class="label label-info">static</span>
<dl>
</dl>
<h2>Tags</h2>
<table class="table table-condensed">
<tr><td colspan="2"><em>None found</em></td></tr>
</table>
</aside>
</div>
<div class="row-fluid">
<div class="span8 content class">
<a id="method_rebuild_invindex" name="method_rebuild_invindex" class="anchor"></a>
<article class="method">
<h3 class="public ">rebuild_invindex()</h3>
<a href="#source-view" role="button" class="pull-right btn" data-toggle="modal" style="font-size: 1.1em; padding: 9px 14px"><i class="icon-code"></i></a>
<pre class="signature" style="margin-right: 54px;">rebuild_invindex(boolean <span class="argument">$output = true</span>) </pre>
<p><em>Rebuilds the master inverted index and clears the page id index.</em></p>
<h4>Parameters</h4>
<table class="table table-condensed table-hover">
<tr>
<td>boolean</td>
<td>$output </td>
<td><p>Whether to send progress information to the user's browser.</p></td>
</tr>
</table>
</article>
</div>
<aside class="span4 detailsbar">
<h1><i class="icon-arrow-down"></i></h1>
<span class="label label-info">static</span>
<dl>
</dl>
<h2>Tags</h2>
<table class="table table-condensed">
<tr><td colspan="2"><em>None found</em></td></tr>
</table>
</aside>
</div>
<div class="row-fluid">
<div class="span8 content class">
<a id="method_sort_index" name="method_sort_index" class="anchor"></a>
<article class="method">
<h3 class="public ">sort_index()</h3>
<a href="#source-view" role="button" class="pull-right btn" data-toggle="modal" style="font-size: 1.1em; padding: 9px 14px"><i class="icon-code"></i></a>
<pre class="signature" style="margin-right: 54px;">sort_index(array <span class="argument">$index</span>) </pre>
<p><em>Sorts an index alphabetically. Will also sort an inverted index.</em></p>
<p>This allows us to do a binary search instead of a regular
sequential search.</p>
<h4>Parameters</h4>
<table class="table table-condensed table-hover">
<tr>
<td>array</td>
<td>$index </td>
<td><p>The index to sort.</p></td>
</tr>
</table>
</article>
</div>
<aside class="span4 detailsbar">
<h1><i class="icon-arrow-down"></i></h1>
<span class="label label-info">static</span>
<dl>
</dl>
<h2>Tags</h2>
<table class="table table-condensed">
<tr><td colspan="2"><em>None found</em></td></tr>
</table>
</aside>
</div>
<div class="row-fluid">
<div class="span8 content class">
<a id="method_compare_indexes" name="method_compare_indexes" class="anchor"></a>
<article class="method">
<h3 class="public ">compare_indexes()</h3>
<a href="#source-view" role="button" class="pull-right btn" data-toggle="modal" style="font-size: 1.1em; padding: 9px 14px"><i class="icon-code"></i></a>
<pre class="signature" style="margin-right: 54px;">compare_indexes(array <span class="argument">$oldindex</span>, array <span class="argument">$newindex</span>, array <span class="argument">$changed</span>, array <span class="argument">$removed</span>) </pre>
<p><em>Compares two *regular* indexes to find the differences between them.</em></p>
<h4>Parameters</h4>
<table class="table table-condensed table-hover">
<tr>
<td>array</td>
<td>$oldindex </td>
<td><p>The old index.</p></td>
</tr>
<tr>
<td>array</td>
<td>$newindex </td>
<td><p>The new index.</p></td>
</tr>
<tr>
<td>array</td>
<td>$changed </td>
<td><p>An array to be filled with the nterms of all the changed entries.</p></td>
</tr>
<tr>
<td>array</td>
<td>$removed </td>
<td><p>An array to be filled with the nterms of all the removed entries.</p></td>
</tr>
</table>
</article>
</div>
<aside class="span4 detailsbar">
<h1><i class="icon-arrow-down"></i></h1>
<span class="label label-info">static</span>
<dl>
</dl>
<h2>Tags</h2>
<table class="table table-condensed">
<tr><td colspan="2"><em>None found</em></td></tr>
</table>
</aside>
</div>
<div class="row-fluid">
<div class="span8 content class">
<a id="method_load_invindex" name="method_load_invindex" class="anchor"></a>
<article class="method">
<h3 class="public ">load_invindex()</h3>
<a href="#source-view" role="button" class="pull-right btn" data-toggle="modal" style="font-size: 1.1em; padding: 9px 14px"><i class="icon-code"></i></a>
<pre class="signature" style="margin-right: 54px;">load_invindex(string <span class="argument">$invindex_filename</span>) </pre>
<p><em>Reads in and parses an inverted index.</em></p>
<h4>Parameters</h4>
<table class="table table-condensed table-hover">
<tr>
<td>string</td>
<td>$invindex_filename </td>
<td><p>The path tp the inverted index to parse.</p></td>
</tr>
</table>
</article>
</div>
<aside class="span4 detailsbar">
<h1><i class="icon-arrow-down"></i></h1>
<span class="label label-info">static</span>
<dl>
</dl>
<h2>Tags</h2>
<table class="table table-condensed">
<tr>
<th>
todo
</th>
<td>
<p>Remove this function and make everything streamable</p>
</td>
</tr>
</table>
</aside>
</div>
<div class="row-fluid">
<div class="span8 content class">
<a id="method_measure_invindex_load_time" name="method_measure_invindex_load_time" class="anchor"></a>
<article class="method">
<h3 class="public ">measure_invindex_load_time()</h3>
<a href="#source-view" role="button" class="pull-right btn" data-toggle="modal" style="font-size: 1.1em; padding: 9px 14px"><i class="icon-code"></i></a>
<pre class="signature" style="margin-right: 54px;">measure_invindex_load_time(string <span class="argument">$invindex_filename</span>) </pre>
<p><em>Reads in and parses an inverted index, measuring the time it takes to do so.</em></p>
<h4>Parameters</h4>
<table class="table table-condensed table-hover">
<tr>
<td>string</td>
<td>$invindex_filename </td>
<td><p>The path to the file inverted index to parse.</p></td>
</tr>
</table>
</article>
</div>
<aside class="span4 detailsbar">
<h1><i class="icon-arrow-down"></i></h1>
<span class="label label-info">static</span>
<dl>
</dl>
<h2>Tags</h2>
<table class="table table-condensed">
<tr><td colspan="2"><em>None found</em></td></tr>
</table>
</aside>
</div>
<div class="row-fluid">
<div class="span8 content class">
<a id="method_merge_into_invindex" name="method_merge_into_invindex" class="anchor"></a>
<article class="method">
<h3 class="public ">merge_into_invindex()</h3>
<a href="#source-view" role="button" class="pull-right btn" data-toggle="modal" style="font-size: 1.1em; padding: 9px 14px"><i class="icon-code"></i></a>
<pre class="signature" style="margin-right: 54px;">merge_into_invindex(array <span class="argument">$invindex</span>, integer <span class="argument">$pageid</span>, array <span class="argument">$index</span>, array <span class="argument">$removals = array()</span>) </pre>
<p><em>Merge an index into an inverted index.</em></p>
<h4>Parameters</h4>
<table class="table table-condensed table-hover">
<tr>
<td>array</td>
<td>$invindex </td>
<td><p>The inverted index to merge into.</p></td>
</tr>
<tr>
<td>integer</td>
<td>$pageid </td>
<td><p>The id of the page to assign to the index that's being merged.</p></td>
</tr>
<tr>
<td>array</td>
<td>$index </td>
<td><p>The regular index to merge.</p></td>
</tr>
<tr>
<td>array</td>
<td>$removals </td>
<td><p>An array of index entries to remove from the inverted index. Useful for applying changes to an inverted index instead of deleting and remerging an entire page's index.</p></td>
</tr>
</table>
</article>
</div>
<aside class="span4 detailsbar">
<h1><i class="icon-arrow-down"></i></h1>
<span class="label label-info">static</span>
<dl>
</dl>
<h2>Tags</h2>
<table class="table table-condensed">
<tr><td colspan="2"><em>None found</em></td></tr>
</table>
</aside>
</div>
<div class="row-fluid">
<div class="span8 content class">
<a id="method_delete_entry" name="method_delete_entry" class="anchor"></a>
<article class="method">
<h3 class="public ">delete_entry()</h3>
<a href="#source-view" role="button" class="pull-right btn" data-toggle="modal" style="font-size: 1.1em; padding: 9px 14px"><i class="icon-code"></i></a>
<pre class="signature" style="margin-right: 54px;">delete_entry( <span class="argument">$invindex</span>, \number <span class="argument">$pageid</span>) </pre>
<p><em>Deletes the given pageid from the given pageindex.</em></p>
<h4>Parameters</h4>
<table class="table table-condensed table-hover">
<tr>
<td></td>
<td>$invindex </td>
<td></td>
</tr>
<tr>
<td>\number</td>
<td>$pageid </td>
<td><p>The pageid to remove.</p></td>
</tr>
</table>
</article>
</div>
<aside class="span4 detailsbar">
<h1><i class="icon-arrow-down"></i></h1>
<span class="label label-info">static</span>
<dl>
</dl>
<h2>Tags</h2>
<table class="table table-condensed">
<tr><td colspan="2"><em>None found</em></td></tr>
</table>
</aside>
</div>
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<div class="span8 content class">
<a id="method_save_invindex" name="method_save_invindex" class="anchor"></a>
<article class="method">
<h3 class="public ">save_invindex()</h3>
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<pre class="signature" style="margin-right: 54px;">save_invindex(string <span class="argument">$filename</span>, array <span class="argument">$invindex</span>) </pre>
<p><em>Saves the given inverted index back to disk.</em></p>
<h4>Parameters</h4>
<table class="table table-condensed table-hover">
<tr>
<td>string</td>
<td>$filename </td>
<td><p>The path to the file to save the inverted index to.</p></td>
</tr>
<tr>
<td>array</td>
<td>$invindex </td>
<td><p>The inverted index to save.</p></td>
</tr>
</table>
</article>
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<h1><i class="icon-arrow-down"></i></h1>
<span class="label label-info">static</span>
<dl>
</dl>
<h2>Tags</h2>
<table class="table table-condensed">
<tr><td colspan="2"><em>None found</em></td></tr>
</table>
</aside>
</div>
<div class="row-fluid">
<div class="span8 content class">
<a id="method_query_invindex" name="method_query_invindex" class="anchor"></a>
<article class="method">
<h3 class="public ">query_invindex()</h3>
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<pre class="signature" style="margin-right: 54px;">query_invindex(string <span class="argument">$query</span>, array <span class="argument">$invindex</span>) : array</pre>
<p><em>Searches the given inverted index for the specified search terms.</em></p>
<h4>Parameters</h4>
<table class="table table-condensed table-hover">
<tr>
<td>string</td>
<td>$query </td>
<td><p>The search query.</p></td>
</tr>
<tr>
<td>array</td>
<td>$invindex </td>
<td><p>The inverted index to search.</p></td>
</tr>
</table>
<h4>Returns</h4>
array
&mdash; <p>An array of matching pages.</p>
</article>
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<h1><i class="icon-arrow-down"></i></h1>
<span class="label label-info">static</span>
<dl>
</dl>
<h2>Tags</h2>
<table class="table table-condensed">
<tr><td colspan="2"><em>None found</em></td></tr>
</table>
</aside>
</div>
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<div class="span8 content class">
<a id="method_extract_context" name="method_extract_context" class="anchor"></a>
<article class="method">
<h3 class="public ">extract_context()</h3>
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<pre class="signature" style="margin-right: 54px;">extract_context(string <span class="argument">$invindex</span>, string <span class="argument">$pagename</span>, string <span class="argument">$query</span>, string <span class="argument">$source</span>) : string</pre>
<p><em>Extracts a context string (in HTML) given a search query that could be displayed
in a list of search results.</em></p>
<h4>Parameters</h4>
<table class="table table-condensed table-hover">
<tr>
<td>string</td>
<td>$invindex </td>
<td><p>The inverted index to consult.</p></td>
</tr>
<tr>
<td>string</td>
<td>$pagename </td>
<td><p>The name of the paget that this source belongs to. Used when consulting the inverted index.</p></td>
</tr>
<tr>
<td>string</td>
<td>$query </td>
<td><p>The search queary to generate the context for.</p></td>
</tr>
<tr>
<td>string</td>
<td>$source </td>
<td><p>The page source to extract the context from.</p></td>
</tr>
</table>
<h4>Returns</h4>
string
&mdash; <p>The generated context string.</p>
</article>
</div>
<aside class="span4 detailsbar">
<h1><i class="icon-arrow-down"></i></h1>
<span class="label label-info">static</span>
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</dl>
<h2>Tags</h2>
<table class="table table-condensed">
<tr><td colspan="2"><em>None found</em></td></tr>
</table>
</aside>
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<div class="span8 content class">
<a id="method_highlight_context" name="method_highlight_context" class="anchor"></a>
<article class="method">
<h3 class="public ">highlight_context()</h3>
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<pre class="signature" style="margin-right: 54px;">highlight_context(string <span class="argument">$query</span>, string <span class="argument">$context</span>) : string</pre>
<p><em>Highlights the keywords of a context string.</em></p>
<h4>Parameters</h4>
<table class="table table-condensed table-hover">
<tr>
<td>string</td>
<td>$query </td>
<td><p>The query to use when highlighting.</p></td>
</tr>
<tr>
<td>string</td>
<td>$context </td>
<td><p>The context string to highlight.</p></td>
</tr>
</table>
<h4>Returns</h4>
string
&mdash; <p>The highlighted (HTML) string.</p>
</article>
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<h2>Tags</h2>
<table class="table table-condensed">
<tr><td colspan="2"><em>None found</em></td></tr>
</table>
</aside>
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<h3 id="source-view-label">feature-search.php</h3>
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<pre data-src="../files/modules/feature-search.php.txt" class="language-php line-numbers"></pre>
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Documentation is powered by <a href="http://www.phpdoc.org/">phpDocumentor </a> and authored
on February 24th, 2019 at 16:02.
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