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1684 lines
43 KiB
HTML
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Class: Sass::Util::MultibyteStringScanner
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<span class='title'><span class='object_link'><a href="../../Sass.html" title="Sass (module)">Sass</a></span></span> » <span class='title'><span class='object_link'><a href="../Util.html" title="Sass::Util (module)">Util</a></span></span>
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»
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<span class="title">MultibyteStringScanner</span>
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<div class="noframes"><span class="title">(</span><a href="." target="_top">no frames</a><span class="title">)</span></div>
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<iframe id="search_frame"></iframe>
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<div id="content"><h1>Class: Sass::Util::MultibyteStringScanner
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</h1>
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<dl class="box">
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<dt class="r1">Inherits:</dt>
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<dd class="r1">
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<span class="inheritName">StringScanner</span>
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<ul class="fullTree">
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<li>Object</li>
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<li class="next">StringScanner</li>
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<li class="next">Sass::Util::MultibyteStringScanner</li>
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</ul>
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<a href="#" class="inheritanceTree">show all</a>
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</dd>
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<dt class="r2 last">Defined in:</dt>
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<dd class="r2 last">.ruby-sass/lib/sass/util/multibyte_string_scanner.rb<span class="defines">,<br />
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.ruby-sass/lib/sass/util/multibyte_string_scanner.rb,<br /> .ruby-sass/lib/sass/util/multibyte_string_scanner.rb</span>
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</dd>
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</dl>
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<div class="clear"></div>
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<h2>Overview</h2><div class="docstring">
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<div class="discussion">
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<p>A wrapper of the native StringScanner class that works correctly with
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multibyte character encodings. The native class deals only in bytes, not
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characters, for methods like [#pos] and [#matched_size]. This class deals
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only in characters, instead.</p>
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<div class="tags">
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<h2>
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Class Method Summary
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<small>(<a href="#" class="summary_toggle">collapse</a>)</small>
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<span class="summary_signature">
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<a href="#new-class_method" title="new (class method)">.<strong>new</strong>(str) ⇒ Object </a>
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<h2>
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Instance Method Summary
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<small>(<a href="#" class="summary_toggle">collapse</a>)</small>
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<ul class="summary">
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<li class="public ">
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<span class="summary_signature">
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<a href="#byte_matched_size-instance_method" title="#byte_matched_size (instance method)">#<strong>byte_matched_size</strong> ⇒ Object </a>
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<a href="#byte_pos-instance_method" title="#byte_pos (instance method)">#<strong>byte_pos</strong> ⇒ Object </a>
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<span class="summary_signature">
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<a href="#check-instance_method" title="#check (instance method)">#<strong>check</strong>(pattern) ⇒ Object </a>
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<li class="public ">
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<span class="summary_signature">
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<a href="#check_until-instance_method" title="#check_until (instance method)">#<strong>check_until</strong>(pattern) ⇒ Object </a>
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<li class="public ">
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<span class="summary_signature">
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<a href="#get_byte-instance_method" title="#get_byte (instance method)">#<strong>get_byte</strong> ⇒ Object </a>
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<span class="summary_signature">
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<a href="#getbyte-instance_method" title="#getbyte (instance method)">#<strong>getbyte</strong> ⇒ Object </a>
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</span>
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<li class="public ">
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<span class="summary_signature">
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<a href="#getch-instance_method" title="#getch (instance method)">#<strong>getch</strong> ⇒ Object </a>
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</span>
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<span class="summary_desc"><div class='inline'></div></span>
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<li class="public ">
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<span class="summary_signature">
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<a href="#initialize-instance_method" title="#initialize (instance method)">#<strong>initialize</strong>(str) ⇒ MultibyteStringScanner </a>
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</span>
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<span class="note title constructor">constructor</span>
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<span class="summary_desc"><div class='inline'>
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<p>A new instance of MultibyteStringScanner.</p>
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</div></span>
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</li>
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<li class="public ">
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<span class="summary_signature">
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<a href="#is_a%3F-instance_method" title="#is_a? (instance method)">#<strong>is_a?</strong>(klass) ⇒ Boolean </a>
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</span>
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<span class="summary_desc"><div class='inline'></div></span>
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</li>
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<li class="public ">
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<span class="summary_signature">
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<a href="#match%3F-instance_method" title="#match? (instance method)">#<strong>match?</strong>(pattern) ⇒ Boolean </a>
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</span>
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<span class="summary_desc"><div class='inline'></div></span>
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</li>
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<li class="public ">
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<span class="summary_signature">
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<a href="#matched_size-instance_method" title="#matched_size (instance method)">#<strong>matched_size</strong> ⇒ Object </a>
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</span>
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<span class="summary_desc"><div class='inline'></div></span>
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</li>
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<li class="public ">
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<span class="summary_signature">
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<a href="#peek-instance_method" title="#peek (instance method)">#<strong>peek</strong>(len) ⇒ Object </a>
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(also: #peep)
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</span>
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<span class="summary_desc"><div class='inline'></div></span>
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</li>
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<li class="public ">
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<span class="summary_signature">
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<a href="#pos-instance_method" title="#pos (instance method)">#<strong>pos</strong> ⇒ Object </a>
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(also: #pointer)
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</span>
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<li class="public ">
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<span class="summary_signature">
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<a href="#pos=-instance_method" title="#pos= (instance method)">#<strong>pos=</strong>(n) ⇒ Object </a>
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</span>
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<li class="public ">
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<span class="summary_signature">
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<a href="#reset-instance_method" title="#reset (instance method)">#<strong>reset</strong> ⇒ Object </a>
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</span>
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<a href="#rest_size-instance_method" title="#rest_size (instance method)">#<strong>rest_size</strong> ⇒ Object </a>
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<span class="summary_signature">
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<a href="#scan-instance_method" title="#scan (instance method)">#<strong>scan</strong>(pattern) ⇒ Object </a>
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</span>
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<span class="summary_signature">
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<a href="#scan_full-instance_method" title="#scan_full (instance method)">#<strong>scan_full</strong>(pattern, advance_pointer_p, return_string_p) ⇒ Object </a>
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<a href="#scan_until-instance_method" title="#scan_until (instance method)">#<strong>scan_until</strong>(pattern) ⇒ Object </a>
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<a href="#search_full-instance_method" title="#search_full (instance method)">#<strong>search_full</strong>(pattern, advance_pointer_p, return_string_p) ⇒ Object </a>
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<a href="#skip-instance_method" title="#skip (instance method)">#<strong>skip</strong>(pattern) ⇒ Object </a>
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<a href="#skip_until-instance_method" title="#skip_until (instance method)">#<strong>skip_until</strong>(pattern) ⇒ Object </a>
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<a href="#string=-instance_method" title="#string= (instance method)">#<strong>string=</strong>(str) ⇒ Object </a>
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<a href="#terminate-instance_method" title="#terminate (instance method)">#<strong>terminate</strong> ⇒ Object </a>
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(also: #clear)
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<a href="#unscan-instance_method" title="#unscan (instance method)">#<strong>unscan</strong> ⇒ Object </a>
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</ul>
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<div id="constructor_details" class="method_details_list">
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<h2>Constructor Details</h2>
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<div class="method_details first">
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<h3 class="signature first" id="initialize-instance_method">
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#<strong>initialize</strong>(str) ⇒ <tt><span class='object_link'><a href="" title="Sass::Util::MultibyteStringScanner (class)">MultibyteStringScanner</a></span></tt>
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</h3><div class="docstring">
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<div class="discussion">
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<p>Returns a new instance of MultibyteStringScanner</p>
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<pre class="code"><span class="info file"># File '.ruby-sass/lib/sass/util/multibyte_string_scanner.rb', line 9</span>
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<span class='kw'>def</span> <span class='id identifier rubyid_initialize'>initialize</span><span class='lparen'>(</span><span class='id identifier rubyid_str'>str</span><span class='rparen'>)</span>
|
|
<span class='kw'>super</span><span class='lparen'>(</span><span class='const'>StringScanner</span><span class='period'>.</span><span class='id identifier rubyid_new'>new</span><span class='lparen'>(</span><span class='id identifier rubyid_str'>str</span><span class='rparen'>)</span><span class='rparen'>)</span>
|
|
<span class='ivar'>@mb_pos</span> <span class='op'>=</span> <span class='int'>0</span>
|
|
<span class='ivar'>@mb_matched_size</span> <span class='op'>=</span> <span class='kw'>nil</span>
|
|
<span class='ivar'>@mb_last_pos</span> <span class='op'>=</span> <span class='kw'>nil</span>
|
|
<span class='kw'>end</span></pre>
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</td>
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</table>
|
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</div>
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</div>
|
|
<div id="constructor_details" class="method_details_list">
|
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<h2>Constructor Details</h2>
|
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<div class="method_details first">
|
|
<h3 class="signature first" id="initialize-instance_method">
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|
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#<strong>initialize</strong>(str) ⇒ <tt><span class='object_link'><a href="" title="Sass::Util::MultibyteStringScanner (class)">MultibyteStringScanner</a></span></tt>
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</h3><div class="docstring">
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<div class="discussion">
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<p>Returns a new instance of MultibyteStringScanner</p>
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</div>
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<div class="tags">
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<pre class="code"><span class="info file"># File '.ruby-sass/lib/sass/util/multibyte_string_scanner.rb', line 9</span>
|
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|
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<span class='kw'>def</span> <span class='id identifier rubyid_initialize'>initialize</span><span class='lparen'>(</span><span class='id identifier rubyid_str'>str</span><span class='rparen'>)</span>
|
|
<span class='kw'>super</span><span class='lparen'>(</span><span class='const'>StringScanner</span><span class='period'>.</span><span class='id identifier rubyid_new'>new</span><span class='lparen'>(</span><span class='id identifier rubyid_str'>str</span><span class='rparen'>)</span><span class='rparen'>)</span>
|
|
<span class='ivar'>@mb_pos</span> <span class='op'>=</span> <span class='int'>0</span>
|
|
<span class='ivar'>@mb_matched_size</span> <span class='op'>=</span> <span class='kw'>nil</span>
|
|
<span class='ivar'>@mb_last_pos</span> <span class='op'>=</span> <span class='kw'>nil</span>
|
|
<span class='kw'>end</span></pre>
|
|
</td>
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</table>
|
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</div>
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</div>
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|
|
<div id="class_method_details" class="method_details_list">
|
|
<h2>Class Method Details</h2>
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|
|
<div class="method_details first">
|
|
<h3 class="signature first" id="new-class_method">
|
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|
|
.<strong>new</strong>(str) ⇒ <tt>Object</tt>
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</h3><table class="source_code">
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</td>
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<td>
|
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<pre class="code"><span class="info file"># File '.ruby-sass/lib/sass/util/multibyte_string_scanner.rb', line 36</span>
|
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|
|
<span class='kw'>def</span> <span class='kw'>self</span><span class='period'>.</span><span class='id identifier rubyid_new'>new</span><span class='lparen'>(</span><span class='id identifier rubyid_str'>str</span><span class='rparen'>)</span>
|
|
<span class='kw'>return</span> <span class='const'>StringScanner</span><span class='period'>.</span><span class='id identifier rubyid_new'>new</span><span class='lparen'>(</span><span class='id identifier rubyid_str'>str</span><span class='rparen'>)</span> <span class='kw'>if</span> <span class='id identifier rubyid_str'>str</span><span class='period'>.</span><span class='id identifier rubyid_ascii_only?'>ascii_only?</span>
|
|
<span class='kw'>super</span>
|
|
<span class='kw'>end</span></pre>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
</div>
|
|
|
|
</div>
|
|
|
|
<div id="instance_method_details" class="method_details_list">
|
|
<h2>Instance Method Details</h2>
|
|
|
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|
|
<div class="method_details first">
|
|
<h3 class="signature first" id="byte_matched_size-instance_method">
|
|
|
|
#<strong>byte_matched_size</strong> ⇒ <tt>Object</tt>
|
|
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</h3><table class="source_code">
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<pre class="lines">
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42</pre>
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</td>
|
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<td>
|
|
<pre class="code"><span class="info file"># File '.ruby-sass/lib/sass/util/multibyte_string_scanner.rb', line 42</span>
|
|
|
|
<span class='id identifier rubyid_alias_method'>alias_method</span> <span class='symbol'>:byte_matched_size</span><span class='comma'>,</span> <span class='symbol'>:matched_size</span></pre>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
</div>
|
|
|
|
<div class="method_details ">
|
|
<h3 class="signature " id="byte_pos-instance_method">
|
|
|
|
#<strong>byte_pos</strong> ⇒ <tt>Object</tt>
|
|
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|
|
|
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|
|
</h3><table class="source_code">
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|
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<pre class="lines">
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41</pre>
|
|
</td>
|
|
<td>
|
|
<pre class="code"><span class="info file"># File '.ruby-sass/lib/sass/util/multibyte_string_scanner.rb', line 41</span>
|
|
|
|
<span class='id identifier rubyid_alias_method'>alias_method</span> <span class='symbol'>:byte_pos</span><span class='comma'>,</span> <span class='symbol'>:pos</span></pre>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
</div>
|
|
|
|
<div class="method_details ">
|
|
<h3 class="signature " id="check-instance_method">
|
|
|
|
#<strong>check</strong>(pattern) ⇒ <tt>Object</tt>
|
|
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|
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|
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|
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</h3><table class="source_code">
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<pre class="lines">
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44</pre>
|
|
</td>
|
|
<td>
|
|
<pre class="code"><span class="info file"># File '.ruby-sass/lib/sass/util/multibyte_string_scanner.rb', line 44</span>
|
|
|
|
<span class='kw'>def</span> <span class='id identifier rubyid_check'>check</span><span class='lparen'>(</span><span class='id identifier rubyid_pattern'>pattern</span><span class='rparen'>)</span><span class='semicolon'>;</span> <span class='id identifier rubyid__match'>_match</span> <span class='kw'>super</span><span class='semicolon'>;</span> <span class='kw'>end</span></pre>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
</div>
|
|
|
|
<div class="method_details ">
|
|
<h3 class="signature " id="check_until-instance_method">
|
|
|
|
#<strong>check_until</strong>(pattern) ⇒ <tt>Object</tt>
|
|
|
|
|
|
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|
|
</h3><table class="source_code">
|
|
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|
|
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|
|
<pre class="lines">
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|
|
45</pre>
|
|
</td>
|
|
<td>
|
|
<pre class="code"><span class="info file"># File '.ruby-sass/lib/sass/util/multibyte_string_scanner.rb', line 45</span>
|
|
|
|
<span class='kw'>def</span> <span class='id identifier rubyid_check_until'>check_until</span><span class='lparen'>(</span><span class='id identifier rubyid_pattern'>pattern</span><span class='rparen'>)</span><span class='semicolon'>;</span> <span class='id identifier rubyid__matched'>_matched</span> <span class='kw'>super</span><span class='semicolon'>;</span> <span class='kw'>end</span></pre>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
</div>
|
|
|
|
<div class="method_details ">
|
|
<h3 class="signature " id="get_byte-instance_method">
|
|
|
|
#<strong>get_byte</strong> ⇒ <tt>Object</tt>
|
|
|
|
|
|
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|
|
</h3><table class="source_code">
|
|
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|
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|
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|
|
61</pre>
|
|
</td>
|
|
<td>
|
|
<pre class="code"><span class="info file"># File '.ruby-sass/lib/sass/util/multibyte_string_scanner.rb', line 59</span>
|
|
|
|
<span class='kw'>def</span> <span class='id identifier rubyid_get_byte'>get_byte</span>
|
|
<span class='id identifier rubyid_raise'>raise</span> <span class='tstring'><span class='tstring_beg'>"</span><span class='tstring_content'>MultibyteStringScanner doesn't support #get_byte.</span><span class='tstring_end'>"</span></span>
|
|
<span class='kw'>end</span></pre>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
</div>
|
|
|
|
<div class="method_details ">
|
|
<h3 class="signature " id="getbyte-instance_method">
|
|
|
|
#<strong>getbyte</strong> ⇒ <tt>Object</tt>
|
|
|
|
|
|
|
|
|
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|
|
</h3><table class="source_code">
|
|
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|
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|
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65</pre>
|
|
</td>
|
|
<td>
|
|
<pre class="code"><span class="info file"># File '.ruby-sass/lib/sass/util/multibyte_string_scanner.rb', line 63</span>
|
|
|
|
<span class='kw'>def</span> <span class='id identifier rubyid_getbyte'>getbyte</span>
|
|
<span class='id identifier rubyid_raise'>raise</span> <span class='tstring'><span class='tstring_beg'>"</span><span class='tstring_content'>MultibyteStringScanner doesn't support #getbyte.</span><span class='tstring_end'>"</span></span>
|
|
<span class='kw'>end</span></pre>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
</div>
|
|
|
|
<div class="method_details ">
|
|
<h3 class="signature " id="getch-instance_method">
|
|
|
|
#<strong>getch</strong> ⇒ <tt>Object</tt>
|
|
|
|
|
|
|
|
|
|
|
|
</h3><table class="source_code">
|
|
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|
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|
|
<pre class="lines">
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|
|
46</pre>
|
|
</td>
|
|
<td>
|
|
<pre class="code"><span class="info file"># File '.ruby-sass/lib/sass/util/multibyte_string_scanner.rb', line 46</span>
|
|
|
|
<span class='kw'>def</span> <span class='id identifier rubyid_getch'>getch</span><span class='semicolon'>;</span> <span class='id identifier rubyid__forward'>_forward</span> <span class='id identifier rubyid__match'>_match</span> <span class='kw'>super</span><span class='semicolon'>;</span> <span class='kw'>end</span></pre>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
</div>
|
|
|
|
<div class="method_details ">
|
|
<h3 class="signature " id="is_a?-instance_method">
|
|
|
|
#<strong>is_a?</strong>(klass) ⇒ <tt>Boolean</tt>
|
|
|
|
|
|
|
|
|
|
|
|
</h3><div class="docstring">
|
|
<div class="discussion">
|
|
|
|
|
|
</div>
|
|
</div>
|
|
<div class="tags">
|
|
|
|
<p class="tag_title">Returns:</p>
|
|
<ul class="return">
|
|
|
|
<li>
|
|
|
|
|
|
<span class='type'>(<tt>Boolean</tt>)</span>
|
|
|
|
|
|
|
|
</li>
|
|
|
|
</ul>
|
|
|
|
</div><table class="source_code">
|
|
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|
|
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|
|
<pre class="lines">
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|
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|
|
18</pre>
|
|
</td>
|
|
<td>
|
|
<pre class="code"><span class="info file"># File '.ruby-sass/lib/sass/util/multibyte_string_scanner.rb', line 16</span>
|
|
|
|
<span class='kw'>def</span> <span class='id identifier rubyid_is_a?'>is_a?</span><span class='lparen'>(</span><span class='id identifier rubyid_klass'>klass</span><span class='rparen'>)</span>
|
|
<span class='id identifier rubyid___getobj__'>__getobj__</span><span class='period'>.</span><span class='id identifier rubyid_is_a?'>is_a?</span><span class='lparen'>(</span><span class='id identifier rubyid_klass'>klass</span><span class='rparen'>)</span> <span class='op'>||</span> <span class='kw'>super</span>
|
|
<span class='kw'>end</span></pre>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
</div>
|
|
|
|
<div class="method_details ">
|
|
<h3 class="signature " id="match?-instance_method">
|
|
|
|
#<strong>match?</strong>(pattern) ⇒ <tt>Boolean</tt>
|
|
|
|
|
|
|
|
|
|
|
|
</h3><div class="docstring">
|
|
<div class="discussion">
|
|
|
|
|
|
</div>
|
|
</div>
|
|
<div class="tags">
|
|
|
|
<p class="tag_title">Returns:</p>
|
|
<ul class="return">
|
|
|
|
<li>
|
|
|
|
|
|
<span class='type'>(<tt>Boolean</tt>)</span>
|
|
|
|
|
|
|
|
</li>
|
|
|
|
</ul>
|
|
|
|
</div><table class="source_code">
|
|
<tr>
|
|
<td>
|
|
<pre class="lines">
|
|
|
|
|
|
47</pre>
|
|
</td>
|
|
<td>
|
|
<pre class="code"><span class="info file"># File '.ruby-sass/lib/sass/util/multibyte_string_scanner.rb', line 47</span>
|
|
|
|
<span class='kw'>def</span> <span class='id identifier rubyid_match?'>match?</span><span class='lparen'>(</span><span class='id identifier rubyid_pattern'>pattern</span><span class='rparen'>)</span><span class='semicolon'>;</span> <span class='id identifier rubyid__size'>_size</span> <span class='id identifier rubyid_check'>check</span><span class='lparen'>(</span><span class='id identifier rubyid_pattern'>pattern</span><span class='rparen'>)</span><span class='semicolon'>;</span> <span class='kw'>end</span></pre>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
</div>
|
|
|
|
<div class="method_details ">
|
|
<h3 class="signature " id="matched_size-instance_method">
|
|
|
|
#<strong>matched_size</strong> ⇒ <tt>Object</tt>
|
|
|
|
|
|
|
|
|
|
|
|
</h3><table class="source_code">
|
|
<tr>
|
|
<td>
|
|
<pre class="lines">
|
|
|
|
|
|
48</pre>
|
|
</td>
|
|
<td>
|
|
<pre class="code"><span class="info file"># File '.ruby-sass/lib/sass/util/multibyte_string_scanner.rb', line 48</span>
|
|
|
|
<span class='kw'>def</span> <span class='id identifier rubyid_matched_size'>matched_size</span><span class='semicolon'>;</span> <span class='ivar'>@mb_matched_size</span><span class='semicolon'>;</span> <span class='kw'>end</span></pre>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
</div>
|
|
|
|
<div class="method_details ">
|
|
<h3 class="signature " id="peek-instance_method">
|
|
|
|
#<strong>peek</strong>(len) ⇒ <tt>Object</tt>
|
|
|
|
|
|
|
|
<span class="aliases">Also known as:
|
|
<span class="names"><span id='peep-instance_method'>peep</span></span>
|
|
</span>
|
|
|
|
|
|
|
|
</h3><table class="source_code">
|
|
<tr>
|
|
<td>
|
|
<pre class="lines">
|
|
|
|
|
|
49</pre>
|
|
</td>
|
|
<td>
|
|
<pre class="code"><span class="info file"># File '.ruby-sass/lib/sass/util/multibyte_string_scanner.rb', line 49</span>
|
|
|
|
<span class='kw'>def</span> <span class='id identifier rubyid_peek'>peek</span><span class='lparen'>(</span><span class='id identifier rubyid_len'>len</span><span class='rparen'>)</span><span class='semicolon'>;</span> <span class='id identifier rubyid_string'>string</span><span class='lbracket'>[</span><span class='ivar'>@mb_pos</span><span class='comma'>,</span> <span class='id identifier rubyid_len'>len</span><span class='rbracket'>]</span><span class='semicolon'>;</span> <span class='kw'>end</span></pre>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
</div>
|
|
|
|
<div class="method_details ">
|
|
<h3 class="signature " id="pos-instance_method">
|
|
|
|
#<strong>pos</strong> ⇒ <tt>Object</tt>
|
|
|
|
|
|
|
|
<span class="aliases">Also known as:
|
|
<span class="names"><span id='pointer-instance_method'>pointer</span></span>
|
|
</span>
|
|
|
|
|
|
|
|
</h3><table class="source_code">
|
|
<tr>
|
|
<td>
|
|
<pre class="lines">
|
|
|
|
|
|
51</pre>
|
|
</td>
|
|
<td>
|
|
<pre class="code"><span class="info file"># File '.ruby-sass/lib/sass/util/multibyte_string_scanner.rb', line 51</span>
|
|
|
|
<span class='kw'>def</span> <span class='id identifier rubyid_pos'>pos</span><span class='semicolon'>;</span> <span class='ivar'>@mb_pos</span><span class='semicolon'>;</span> <span class='kw'>end</span></pre>
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</div>
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<div class="method_details ">
|
|
<h3 class="signature " id="pos=-instance_method">
|
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|
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#<strong>pos=</strong>(n) ⇒ <tt>Object</tt>
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<pre class="code"><span class="info file"># File '.ruby-sass/lib/sass/util/multibyte_string_scanner.rb', line 67</span>
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<span class='kw'>def</span> <span class='id identifier rubyid_pos='>pos=</span><span class='lparen'>(</span><span class='id identifier rubyid_n'>n</span><span class='rparen'>)</span>
|
|
<span class='ivar'>@mb_last_pos</span> <span class='op'>=</span> <span class='kw'>nil</span>
|
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|
|
<span class='comment'># We set position kind of a lot during parsing, so we want it to be as
|
|
</span> <span class='comment'># efficient as possible. This is complicated by the fact that UTF-8 is a
|
|
</span> <span class='comment'># variable-length encoding, so it's difficult to find the byte length that
|
|
</span> <span class='comment'># corresponds to a given character length.
|
|
</span> <span class='comment'>#
|
|
</span> <span class='comment'># Our heuristic here is to try to count the fewest possible characters. So
|
|
</span> <span class='comment'># if the new position is close to the current one, just count the
|
|
</span> <span class='comment'># characters between the two; if the new position is closer to the
|
|
</span> <span class='comment'># beginning of the string, just count the characters from there.
|
|
</span> <span class='kw'>if</span> <span class='ivar'>@mb_pos</span> <span class='op'>-</span> <span class='id identifier rubyid_n'>n</span> <span class='op'><</span> <span class='ivar'>@mb_pos</span> <span class='op'>/</span> <span class='int'>2</span>
|
|
<span class='comment'># New position is close to old position
|
|
</span> <span class='id identifier rubyid_byte_delta'>byte_delta</span> <span class='op'>=</span> <span class='ivar'>@mb_pos</span> <span class='op'>></span> <span class='id identifier rubyid_n'>n</span> <span class='op'>?</span> <span class='op'>-</span><span class='id identifier rubyid_string'>string</span><span class='lbracket'>[</span><span class='id identifier rubyid_n'>n</span><span class='op'>...</span><span class='ivar'>@mb_pos</span><span class='rbracket'>]</span><span class='period'>.</span><span class='id identifier rubyid_bytesize'>bytesize</span> <span class='op'>:</span> <span class='id identifier rubyid_string'>string</span><span class='lbracket'>[</span><span class='ivar'>@mb_pos</span><span class='op'>...</span><span class='id identifier rubyid_n'>n</span><span class='rbracket'>]</span><span class='period'>.</span><span class='id identifier rubyid_bytesize'>bytesize</span>
|
|
<span class='kw'>super</span><span class='lparen'>(</span><span class='id identifier rubyid_byte_pos'>byte_pos</span> <span class='op'>+</span> <span class='id identifier rubyid_byte_delta'>byte_delta</span><span class='rparen'>)</span>
|
|
<span class='kw'>else</span>
|
|
<span class='comment'># New position is close to BOS
|
|
</span> <span class='kw'>super</span><span class='lparen'>(</span><span class='id identifier rubyid_string'>string</span><span class='lbracket'>[</span><span class='int'>0</span><span class='op'>...</span><span class='id identifier rubyid_n'>n</span><span class='rbracket'>]</span><span class='period'>.</span><span class='id identifier rubyid_bytesize'>bytesize</span><span class='rparen'>)</span>
|
|
<span class='kw'>end</span>
|
|
<span class='ivar'>@mb_pos</span> <span class='op'>=</span> <span class='id identifier rubyid_n'>n</span>
|
|
<span class='kw'>end</span></pre>
|
|
</td>
|
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|
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</table>
|
|
</div>
|
|
|
|
<div class="method_details ">
|
|
<h3 class="signature " id="reset-instance_method">
|
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|
|
#<strong>reset</strong> ⇒ <tt>Object</tt>
|
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<pre class="lines">
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95</pre>
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</td>
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<pre class="code"><span class="info file"># File '.ruby-sass/lib/sass/util/multibyte_string_scanner.rb', line 90</span>
|
|
|
|
<span class='kw'>def</span> <span class='id identifier rubyid_reset'>reset</span>
|
|
<span class='ivar'>@mb_pos</span> <span class='op'>=</span> <span class='int'>0</span>
|
|
<span class='ivar'>@mb_matched_size</span> <span class='op'>=</span> <span class='kw'>nil</span>
|
|
<span class='ivar'>@mb_last_pos</span> <span class='op'>=</span> <span class='kw'>nil</span>
|
|
<span class='kw'>super</span>
|
|
<span class='kw'>end</span></pre>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
</div>
|
|
|
|
<div class="method_details ">
|
|
<h3 class="signature " id="rest_size-instance_method">
|
|
|
|
#<strong>rest_size</strong> ⇒ <tt>Object</tt>
|
|
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</h3><table class="source_code">
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|
|
<pre class="lines">
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53</pre>
|
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</td>
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<td>
|
|
<pre class="code"><span class="info file"># File '.ruby-sass/lib/sass/util/multibyte_string_scanner.rb', line 53</span>
|
|
|
|
<span class='kw'>def</span> <span class='id identifier rubyid_rest_size'>rest_size</span><span class='semicolon'>;</span> <span class='id identifier rubyid_rest'>rest</span><span class='period'>.</span><span class='id identifier rubyid_size'>size</span><span class='semicolon'>;</span> <span class='kw'>end</span></pre>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
</div>
|
|
|
|
<div class="method_details ">
|
|
<h3 class="signature " id="scan-instance_method">
|
|
|
|
#<strong>scan</strong>(pattern) ⇒ <tt>Object</tt>
|
|
|
|
|
|
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|
|
</h3><table class="source_code">
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|
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<td>
|
|
<pre class="lines">
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|
|
54</pre>
|
|
</td>
|
|
<td>
|
|
<pre class="code"><span class="info file"># File '.ruby-sass/lib/sass/util/multibyte_string_scanner.rb', line 54</span>
|
|
|
|
<span class='kw'>def</span> <span class='id identifier rubyid_scan'>scan</span><span class='lparen'>(</span><span class='id identifier rubyid_pattern'>pattern</span><span class='rparen'>)</span><span class='semicolon'>;</span> <span class='id identifier rubyid__forward'>_forward</span> <span class='id identifier rubyid__match'>_match</span> <span class='kw'>super</span><span class='semicolon'>;</span> <span class='kw'>end</span></pre>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
</div>
|
|
|
|
<div class="method_details ">
|
|
<h3 class="signature " id="scan_full-instance_method">
|
|
|
|
#<strong>scan_full</strong>(pattern, advance_pointer_p, return_string_p) ⇒ <tt>Object</tt>
|
|
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</h3><table class="source_code">
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<td>
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<pre class="lines">
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|
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101</pre>
|
|
</td>
|
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<td>
|
|
<pre class="code"><span class="info file"># File '.ruby-sass/lib/sass/util/multibyte_string_scanner.rb', line 97</span>
|
|
|
|
<span class='kw'>def</span> <span class='id identifier rubyid_scan_full'>scan_full</span><span class='lparen'>(</span><span class='id identifier rubyid_pattern'>pattern</span><span class='comma'>,</span> <span class='id identifier rubyid_advance_pointer_p'>advance_pointer_p</span><span class='comma'>,</span> <span class='id identifier rubyid_return_string_p'>return_string_p</span><span class='rparen'>)</span>
|
|
<span class='id identifier rubyid_res'>res</span> <span class='op'>=</span> <span class='id identifier rubyid__match'>_match</span> <span class='kw'>super</span><span class='lparen'>(</span><span class='id identifier rubyid_pattern'>pattern</span><span class='comma'>,</span> <span class='id identifier rubyid_advance_pointer_p'>advance_pointer_p</span><span class='comma'>,</span> <span class='kw'>true</span><span class='rparen'>)</span>
|
|
<span class='id identifier rubyid__forward'>_forward</span> <span class='id identifier rubyid_res'>res</span> <span class='kw'>if</span> <span class='id identifier rubyid_advance_pointer_p'>advance_pointer_p</span>
|
|
<span class='kw'>return</span> <span class='id identifier rubyid_res'>res</span> <span class='kw'>if</span> <span class='id identifier rubyid_return_string_p'>return_string_p</span>
|
|
<span class='kw'>end</span></pre>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
</div>
|
|
|
|
<div class="method_details ">
|
|
<h3 class="signature " id="scan_until-instance_method">
|
|
|
|
#<strong>scan_until</strong>(pattern) ⇒ <tt>Object</tt>
|
|
|
|
|
|
|
|
|
|
|
|
</h3><table class="source_code">
|
|
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|
|
<td>
|
|
<pre class="lines">
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|
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|
|
55</pre>
|
|
</td>
|
|
<td>
|
|
<pre class="code"><span class="info file"># File '.ruby-sass/lib/sass/util/multibyte_string_scanner.rb', line 55</span>
|
|
|
|
<span class='kw'>def</span> <span class='id identifier rubyid_scan_until'>scan_until</span><span class='lparen'>(</span><span class='id identifier rubyid_pattern'>pattern</span><span class='rparen'>)</span><span class='semicolon'>;</span> <span class='id identifier rubyid__forward'>_forward</span> <span class='id identifier rubyid__matched'>_matched</span> <span class='kw'>super</span><span class='semicolon'>;</span> <span class='kw'>end</span></pre>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
</div>
|
|
|
|
<div class="method_details ">
|
|
<h3 class="signature " id="search_full-instance_method">
|
|
|
|
#<strong>search_full</strong>(pattern, advance_pointer_p, return_string_p) ⇒ <tt>Object</tt>
|
|
|
|
|
|
|
|
|
|
|
|
</h3><table class="source_code">
|
|
<tr>
|
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<td>
|
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<pre class="lines">
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103
|
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104
|
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105
|
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106
|
|
107</pre>
|
|
</td>
|
|
<td>
|
|
<pre class="code"><span class="info file"># File '.ruby-sass/lib/sass/util/multibyte_string_scanner.rb', line 103</span>
|
|
|
|
<span class='kw'>def</span> <span class='id identifier rubyid_search_full'>search_full</span><span class='lparen'>(</span><span class='id identifier rubyid_pattern'>pattern</span><span class='comma'>,</span> <span class='id identifier rubyid_advance_pointer_p'>advance_pointer_p</span><span class='comma'>,</span> <span class='id identifier rubyid_return_string_p'>return_string_p</span><span class='rparen'>)</span>
|
|
<span class='id identifier rubyid_res'>res</span> <span class='op'>=</span> <span class='kw'>super</span><span class='lparen'>(</span><span class='id identifier rubyid_pattern'>pattern</span><span class='comma'>,</span> <span class='id identifier rubyid_advance_pointer_p'>advance_pointer_p</span><span class='comma'>,</span> <span class='kw'>true</span><span class='rparen'>)</span>
|
|
<span class='id identifier rubyid__forward'>_forward</span> <span class='id identifier rubyid_res'>res</span> <span class='kw'>if</span> <span class='id identifier rubyid_advance_pointer_p'>advance_pointer_p</span>
|
|
<span class='id identifier rubyid__matched'>_matched</span><span class='lparen'>(</span><span class='lparen'>(</span><span class='id identifier rubyid_res'>res</span> <span class='kw'>if</span> <span class='id identifier rubyid_return_string_p'>return_string_p</span><span class='rparen'>)</span><span class='rparen'>)</span>
|
|
<span class='kw'>end</span></pre>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
</div>
|
|
|
|
<div class="method_details ">
|
|
<h3 class="signature " id="skip-instance_method">
|
|
|
|
#<strong>skip</strong>(pattern) ⇒ <tt>Object</tt>
|
|
|
|
|
|
|
|
|
|
|
|
</h3><table class="source_code">
|
|
<tr>
|
|
<td>
|
|
<pre class="lines">
|
|
|
|
|
|
56</pre>
|
|
</td>
|
|
<td>
|
|
<pre class="code"><span class="info file"># File '.ruby-sass/lib/sass/util/multibyte_string_scanner.rb', line 56</span>
|
|
|
|
<span class='kw'>def</span> <span class='id identifier rubyid_skip'>skip</span><span class='lparen'>(</span><span class='id identifier rubyid_pattern'>pattern</span><span class='rparen'>)</span><span class='semicolon'>;</span> <span class='id identifier rubyid__size'>_size</span> <span class='id identifier rubyid_scan'>scan</span><span class='lparen'>(</span><span class='id identifier rubyid_pattern'>pattern</span><span class='rparen'>)</span><span class='semicolon'>;</span> <span class='kw'>end</span></pre>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
</div>
|
|
|
|
<div class="method_details ">
|
|
<h3 class="signature " id="skip_until-instance_method">
|
|
|
|
#<strong>skip_until</strong>(pattern) ⇒ <tt>Object</tt>
|
|
|
|
|
|
|
|
|
|
|
|
</h3><table class="source_code">
|
|
<tr>
|
|
<td>
|
|
<pre class="lines">
|
|
|
|
|
|
57</pre>
|
|
</td>
|
|
<td>
|
|
<pre class="code"><span class="info file"># File '.ruby-sass/lib/sass/util/multibyte_string_scanner.rb', line 57</span>
|
|
|
|
<span class='kw'>def</span> <span class='id identifier rubyid_skip_until'>skip_until</span><span class='lparen'>(</span><span class='id identifier rubyid_pattern'>pattern</span><span class='rparen'>)</span><span class='semicolon'>;</span> <span class='id identifier rubyid__matched'>_matched</span> <span class='id identifier rubyid__size'>_size</span> <span class='id identifier rubyid_scan_until'>scan_until</span><span class='lparen'>(</span><span class='id identifier rubyid_pattern'>pattern</span><span class='rparen'>)</span><span class='semicolon'>;</span> <span class='kw'>end</span></pre>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
</div>
|
|
|
|
<div class="method_details ">
|
|
<h3 class="signature " id="string=-instance_method">
|
|
|
|
#<strong>string=</strong>(str) ⇒ <tt>Object</tt>
|
|
|
|
|
|
|
|
|
|
|
|
</h3><table class="source_code">
|
|
<tr>
|
|
<td>
|
|
<pre class="lines">
|
|
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|
|
109
|
|
110
|
|
111
|
|
112
|
|
113
|
|
114</pre>
|
|
</td>
|
|
<td>
|
|
<pre class="code"><span class="info file"># File '.ruby-sass/lib/sass/util/multibyte_string_scanner.rb', line 109</span>
|
|
|
|
<span class='kw'>def</span> <span class='id identifier rubyid_string='>string=</span><span class='lparen'>(</span><span class='id identifier rubyid_str'>str</span><span class='rparen'>)</span>
|
|
<span class='ivar'>@mb_pos</span> <span class='op'>=</span> <span class='int'>0</span>
|
|
<span class='ivar'>@mb_matched_size</span> <span class='op'>=</span> <span class='kw'>nil</span>
|
|
<span class='ivar'>@mb_last_pos</span> <span class='op'>=</span> <span class='kw'>nil</span>
|
|
<span class='kw'>super</span>
|
|
<span class='kw'>end</span></pre>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
</div>
|
|
|
|
<div class="method_details ">
|
|
<h3 class="signature " id="terminate-instance_method">
|
|
|
|
#<strong>terminate</strong> ⇒ <tt>Object</tt>
|
|
|
|
|
|
|
|
<span class="aliases">Also known as:
|
|
<span class="names"><span id='clear-instance_method'>clear</span></span>
|
|
</span>
|
|
|
|
|
|
|
|
</h3><table class="source_code">
|
|
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|
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|
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<pre class="lines">
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116
|
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117
|
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118
|
|
119
|
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120
|
|
121</pre>
|
|
</td>
|
|
<td>
|
|
<pre class="code"><span class="info file"># File '.ruby-sass/lib/sass/util/multibyte_string_scanner.rb', line 116</span>
|
|
|
|
<span class='kw'>def</span> <span class='id identifier rubyid_terminate'>terminate</span>
|
|
<span class='ivar'>@mb_pos</span> <span class='op'>=</span> <span class='id identifier rubyid_string'>string</span><span class='period'>.</span><span class='id identifier rubyid_size'>size</span>
|
|
<span class='ivar'>@mb_matched_size</span> <span class='op'>=</span> <span class='kw'>nil</span>
|
|
<span class='ivar'>@mb_last_pos</span> <span class='op'>=</span> <span class='kw'>nil</span>
|
|
<span class='kw'>super</span>
|
|
<span class='kw'>end</span></pre>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
</div>
|
|
|
|
<div class="method_details ">
|
|
<h3 class="signature " id="unscan-instance_method">
|
|
|
|
#<strong>unscan</strong> ⇒ <tt>Object</tt>
|
|
|
|
|
|
|
|
|
|
|
|
</h3><table class="source_code">
|
|
<tr>
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<td>
|
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<pre class="lines">
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124
|
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125
|
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126
|
|
127
|
|
128</pre>
|
|
</td>
|
|
<td>
|
|
<pre class="code"><span class="info file"># File '.ruby-sass/lib/sass/util/multibyte_string_scanner.rb', line 124</span>
|
|
|
|
<span class='kw'>def</span> <span class='id identifier rubyid_unscan'>unscan</span>
|
|
<span class='kw'>super</span>
|
|
<span class='ivar'>@mb_pos</span> <span class='op'>=</span> <span class='ivar'>@mb_last_pos</span>
|
|
<span class='ivar'>@mb_last_pos</span> <span class='op'>=</span> <span class='ivar'>@mb_matched_size</span> <span class='op'>=</span> <span class='kw'>nil</span>
|
|
<span class='kw'>end</span></pre>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
</div>
|
|
|
|
</div>
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</div>
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<div id="footer">
|
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Generated on Mon Oct 22 13:21:00 2018 by
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<a href="http://yardoc.org" title="Yay! A Ruby Documentation Tool" target="_parent">yard</a>
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0.9.12 (ruby-2.5.3).
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