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Module: Lazier::TimeZone::ClassMethods
— Documentation by YARD 0.8.7
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<div id="content"><h1>Module: Lazier::TimeZone::ClassMethods
</h1>
<dl class="box">
<dt class="r1 last">Defined in:</dt>
<dd class="r1 last">lib/lazier/datetime.rb</dd>
</dl>
<div class="clear"></div>
<h2>Overview</h2><div class="docstring">
<div class="discussion">
<p>General methods.</p>
</div>
</div>
<div class="tags">
</div>
<h2>
Instance Method Summary
<small>(<a href="#" class="summary_toggle">collapse</a>)</small>
</h2>
<ul class="summary">
<li class="public ">
<span class="summary_signature">
<a href="#compare-instance_method" title="#compare (instance method)">- (Fixnum) <strong>compare</strong>(left, right) </a>
</span>
<span class="summary_desc"><div class='inline'><p>Compares two timezones.</p>
</div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#find-instance_method" title="#find (instance method)">- (TimeZone) <strong>find</strong>(name, dst_label = nil) </a>
</span>
<span class="summary_desc"><div class='inline'><p>Find a zone by its name.</p>
</div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#format_offset-instance_method" title="#format_offset (instance method)">- (String) <strong>format_offset</strong>(offset, colon = true) </a>
</span>
<span class="summary_desc"><div class='inline'><p>Returns a +HH:MM formatted representation of the offset.</p>
</div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#list_all-instance_method" title="#list_all (instance method)">- (Array) <strong>list_all</strong>(with_dst = true, dst_label = nil) </a>
</span>
<span class="summary_desc"><div class='inline'><p>Returns a list of names of all timezones.</p>
</div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#parameterize_zone-instance_method" title="#parameterize_zone (instance method)">- (String) <strong>parameterize_zone</strong>(tz, with_offset = true) </a>
</span>
<span class="summary_desc"><div class='inline'><p>Returns a string representation of a timezone.</p>
</div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#rationalize_offset-instance_method" title="#rationalize_offset (instance method)">- (Rational) <strong>rationalize_offset</strong>(offset) </a>
</span>
<span class="summary_desc"><div class='inline'><p>Returns an offset in rational value.</p>
</div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#unparameterize_zone-instance_method" title="#unparameterize_zone (instance method)">- (String|TimeZone) <strong>unparameterize_zone</strong>(tz, as_string = false, dst_label = nil) </a>
</span>
<span class="summary_desc"><div class='inline'><p>Finds a parameterized timezone.</p>
</div></span>
</li>
</ul>
<div id="instance_method_details" class="method_details_list">
<h2>Instance Method Details</h2>
<div class="method_details first">
<h3 class="signature first" id="compare-instance_method">
- (<tt>Fixnum</tt>) <strong>compare</strong>(left, right)
</h3><div class="docstring">
<div class="discussion">
<p>Compares two timezones. They are sorted by the location name.</p>
</div>
</div>
<div class="tags">
<p class="tag_title">Parameters:</p>
<ul class="param">
<li>
<span class='name'>left</span>
<span class='type'>(<tt><span class='object_link'><a href="../String.html" title="Lazier::String (module)">String</a></span>|<span class='object_link'><a href="../TimeZone.html" title="Lazier::TimeZone (module)">TimeZone</a></span></tt>)</span>
—
<div class='inline'><p>The first zone name to compare.</p>
</div>
</li>
<li>
<span class='name'>right</span>
<span class='type'>(<tt><span class='object_link'><a href="../String.html" title="Lazier::String (module)">String</a></span>|<span class='object_link'><a href="../TimeZone.html" title="Lazier::TimeZone (module)">TimeZone</a></span></tt>)</span>
—
<div class='inline'><p>The second zone name to compare.</p>
</div>
</li>
</ul>
<p class="tag_title">Returns:</p>
<ul class="return">
<li>
<span class='type'>(<tt>Fixnum</tt>)</span>
—
<div class='inline'><p>The result of comparison, like Ruby’s operator <code><=></code>.</p>
</div>
</li>
</ul>
</div><table class="source_code">
<tr>
<td>
<pre class="lines">
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</td>
<td>
<pre class="code"><span class="info file"># File 'lib/lazier/datetime.rb', line 373</span>
<span class='kw'>def</span> <span class='id identifier rubyid_compare'>compare</span><span class='lparen'>(</span><span class='id identifier rubyid_left'>left</span><span class='comma'>,</span> <span class='id identifier rubyid_right'>right</span><span class='rparen'>)</span>
<span class='id identifier rubyid_left'>left</span> <span class='op'>=</span> <span class='id identifier rubyid_left'>left</span><span class='period'>.</span><span class='id identifier rubyid_to_str'>to_str</span> <span class='kw'>if</span> <span class='id identifier rubyid_left'>left</span><span class='period'>.</span><span class='id identifier rubyid_is_a?'>is_a?</span><span class='lparen'>(</span><span class='op'>::</span><span class='const'>ActiveSupport</span><span class='op'>::</span><span class='const'>TimeZone</span><span class='rparen'>)</span>
<span class='id identifier rubyid_right'>right</span> <span class='op'>=</span> <span class='id identifier rubyid_right'>right</span><span class='period'>.</span><span class='id identifier rubyid_to_str'>to_str</span> <span class='kw'>if</span> <span class='id identifier rubyid_right'>right</span><span class='period'>.</span><span class='id identifier rubyid_is_a?'>is_a?</span><span class='lparen'>(</span><span class='op'>::</span><span class='const'>ActiveSupport</span><span class='op'>::</span><span class='const'>TimeZone</span><span class='rparen'>)</span>
<span class='id identifier rubyid_left'>left</span><span class='period'>.</span><span class='id identifier rubyid_ensure_string'>ensure_string</span><span class='period'>.</span><span class='id identifier rubyid_split'>split</span><span class='lparen'>(</span><span class='tstring'><span class='tstring_beg'>"</span><span class='tstring_content'> </span><span class='tstring_end'>"</span></span><span class='comma'>,</span> <span class='int'>2</span><span class='rparen'>)</span><span class='lbracket'>[</span><span class='int'>1</span><span class='rbracket'>]</span> <span class='op'><=></span> <span class='id identifier rubyid_right'>right</span><span class='period'>.</span><span class='id identifier rubyid_ensure_string'>ensure_string</span><span class='period'>.</span><span class='id identifier rubyid_split'>split</span><span class='lparen'>(</span><span class='tstring'><span class='tstring_beg'>"</span><span class='tstring_content'> </span><span class='tstring_end'>"</span></span><span class='comma'>,</span> <span class='int'>2</span><span class='rparen'>)</span><span class='lbracket'>[</span><span class='int'>1</span><span class='rbracket'>]</span>
<span class='kw'>end</span></pre>
</td>
</tr>
</table>
</div>
<div class="method_details ">
<h3 class="signature " id="find-instance_method">
- (<tt><span class='object_link'><a href="../TimeZone.html" title="Lazier::TimeZone (module)">TimeZone</a></span></tt>) <strong>find</strong>(name, dst_label = nil)
</h3><div class="docstring">
<div class="discussion">
<p>Find a zone by its name.</p>
</div>
</div>
<div class="tags">
<p class="tag_title">Parameters:</p>
<ul class="param">
<li>
<span class='name'>name</span>
<span class='type'>(<tt><span class='object_link'><a href="../String.html" title="Lazier::String (module)">String</a></span></tt>)</span>
—
<div class='inline'><p>The zone name.</p>
</div>
</li>
<li>
<span class='name'>dst_label</span>
<span class='type'>(<tt><span class='object_link'><a href="../String.html" title="Lazier::String (module)">String</a></span></tt>)</span>
<em class="default">(defaults to: <tt>nil</tt>)</em>
—
<div class='inline'><p>Label for the DST indication. Defaults to <code>(DST)</code>.</p>
</div>
</li>
</ul>
<p class="tag_title">Returns:</p>
<ul class="return">
<li>
<span class='type'>(<tt><span class='object_link'><a href="../TimeZone.html" title="Lazier::TimeZone (module)">TimeZone</a></span></tt>)</span>
—
<div class='inline'><p>A timezone or <code>nil</code> if no zone was found.</p>
</div>
</li>
</ul>
</div><table class="source_code">
<tr>
<td>
<pre class="lines">
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</td>
<td>
<pre class="code"><span class="info file"># File 'lib/lazier/datetime.rb', line 299</span>
<span class='kw'>def</span> <span class='id identifier rubyid_find'>find</span><span class='lparen'>(</span><span class='id identifier rubyid_name'>name</span><span class='comma'>,</span> <span class='id identifier rubyid_dst_label'>dst_label</span> <span class='op'>=</span> <span class='kw'>nil</span><span class='rparen'>)</span>
<span class='id identifier rubyid_catch'>catch</span><span class='lparen'>(</span><span class='symbol'>:zone</span><span class='rparen'>)</span> <span class='kw'>do</span>
<span class='op'>::</span><span class='const'>ActiveSupport</span><span class='op'>::</span><span class='const'>TimeZone</span><span class='period'>.</span><span class='id identifier rubyid_all'>all</span><span class='period'>.</span><span class='id identifier rubyid_each'>each</span> <span class='kw'>do</span> <span class='op'>|</span><span class='id identifier rubyid_zone'>zone</span><span class='op'>|</span>
<span class='id identifier rubyid_zone'>zone</span><span class='period'>.</span><span class='id identifier rubyid_aliases'>aliases</span><span class='period'>.</span><span class='id identifier rubyid_each'>each</span> <span class='kw'>do</span> <span class='op'>|</span><span class='id identifier rubyid_zone_alias'>zone_alias</span><span class='op'>|</span>
<span class='id identifier rubyid_throw'>throw</span><span class='lparen'>(</span><span class='symbol'>:zone</span><span class='comma'>,</span> <span class='id identifier rubyid_zone'>zone</span><span class='rparen'>)</span> <span class='kw'>if</span> <span class='lbracket'>[</span><span class='id identifier rubyid_zone'>zone</span><span class='period'>.</span><span class='id identifier rubyid_to_str'>to_str</span><span class='lparen'>(</span><span class='id identifier rubyid_zone_alias'>zone_alias</span><span class='rparen'>)</span><span class='comma'>,</span> <span class='id identifier rubyid_zone'>zone</span><span class='period'>.</span><span class='id identifier rubyid_to_str_with_dst'>to_str_with_dst</span><span class='lparen'>(</span><span class='id identifier rubyid_dst_label'>dst_label</span><span class='comma'>,</span> <span class='kw'>nil</span><span class='comma'>,</span> <span class='id identifier rubyid_zone_alias'>zone_alias</span><span class='rparen'>)</span><span class='rbracket'>]</span><span class='period'>.</span><span class='id identifier rubyid_include?'>include?</span><span class='lparen'>(</span><span class='id identifier rubyid_name'>name</span><span class='rparen'>)</span>
<span class='kw'>end</span>
<span class='kw'>end</span>
<span class='kw'>nil</span>
<span class='kw'>end</span>
<span class='kw'>end</span></pre>
</td>
</tr>
</table>
</div>
<div class="method_details ">
<h3 class="signature " id="format_offset-instance_method">
- (<tt><span class='object_link'><a href="../String.html" title="Lazier::String (module)">String</a></span></tt>) <strong>format_offset</strong>(offset, colon = true)
</h3><div class="docstring">
<div class="discussion">
<p>Returns a +HH:MM formatted representation of the offset.</p>
</div>
</div>
<div class="tags">
<p class="tag_title">Parameters:</p>
<ul class="param">
<li>
<span class='name'>offset</span>
<span class='type'>(<tt>Rational|Fixnum</tt>)</span>
—
<div class='inline'><p>The offset to represent, in seconds or as a rational.</p>
</div>
</li>
<li>
<span class='name'>colon</span>
<span class='type'>(<tt><span class='object_link'><a href="../Boolean.html" title="Lazier::Boolean (module)">Boolean</a></span></tt>)</span>
<em class="default">(defaults to: <tt>true</tt>)</em>
—
<div class='inline'><p>If to put the colon in the output string.</p>
</div>
</li>
</ul>
<p class="tag_title">Returns:</p>
<ul class="return">
<li>
<span class='type'>(<tt><span class='object_link'><a href="../String.html" title="Lazier::String (module)">String</a></span></tt>)</span>
—
<div class='inline'><p>The formatted offset.</p>
</div>
</li>
</ul>
</div><table class="source_code">
<tr>
<td>
<pre class="lines">
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</td>
<td>
<pre class="code"><span class="info file"># File 'lib/lazier/datetime.rb', line 290</span>
<span class='kw'>def</span> <span class='id identifier rubyid_format_offset'>format_offset</span><span class='lparen'>(</span><span class='id identifier rubyid_offset'>offset</span><span class='comma'>,</span> <span class='id identifier rubyid_colon'>colon</span> <span class='op'>=</span> <span class='kw'>true</span><span class='rparen'>)</span>
<span class='kw'>self</span><span class='period'>.</span><span class='id identifier rubyid_seconds_to_utc_offset'>seconds_to_utc_offset</span><span class='lparen'>(</span><span class='id identifier rubyid_offset'>offset</span><span class='period'>.</span><span class='id identifier rubyid_is_a?'>is_a?</span><span class='lparen'>(</span><span class='op'>::</span><span class='const'>Rational</span><span class='rparen'>)</span> <span class='op'>?</span> <span class='lparen'>(</span><span class='id identifier rubyid_offset'>offset</span> <span class='op'>*</span> <span class='int'>86400</span><span class='rparen'>)</span><span class='period'>.</span><span class='id identifier rubyid_to_i'>to_i</span> <span class='op'>:</span> <span class='id identifier rubyid_offset'>offset</span><span class='comma'>,</span> <span class='id identifier rubyid_colon'>colon</span><span class='rparen'>)</span>
<span class='kw'>end</span></pre>
</td>
</tr>
</table>
</div>
<div class="method_details ">
<h3 class="signature " id="list_all-instance_method">
- (<tt>Array</tt>) <strong>list_all</strong>(with_dst = true, dst_label = nil)
</h3><div class="docstring">
<div class="discussion">
<p>Returns a list of names of all timezones.</p>
</div>
</div>
<div class="tags">
<p class="tag_title">Parameters:</p>
<ul class="param">
<li>
<span class='name'>with_dst</span>
<span class='type'>(<tt><span class='object_link'><a href="../Boolean.html" title="Lazier::Boolean (module)">Boolean</a></span></tt>)</span>
<em class="default">(defaults to: <tt>true</tt>)</em>
—
<div class='inline'><p>If include DST version of the zones.</p>
</div>
</li>
<li>
<span class='name'>dst_label</span>
<span class='type'>(<tt><span class='object_link'><a href="../String.html" title="Lazier::String (module)">String</a></span></tt>)</span>
<em class="default">(defaults to: <tt>nil</tt>)</em>
—
<div class='inline'><p>Label for the DST indication. Defaults to <code>(DST)</code>.</p>
</div>
</li>
</ul>
<p class="tag_title">Returns:</p>
<ul class="return">
<li>
<span class='type'>(<tt>Array</tt>)</span>
—
<div class='inline'><p>A list of names of timezones.</p>
</div>
</li>
</ul>
</div><table class="source_code">
<tr>
<td>
<pre class="lines">
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</td>
<td>
<pre class="code"><span class="info file"># File 'lib/lazier/datetime.rb', line 316</span>
<span class='kw'>def</span> <span class='id identifier rubyid_list_all'>list_all</span><span class='lparen'>(</span><span class='id identifier rubyid_with_dst'>with_dst</span> <span class='op'>=</span> <span class='kw'>true</span><span class='comma'>,</span> <span class='id identifier rubyid_dst_label'>dst_label</span> <span class='op'>=</span> <span class='kw'>nil</span><span class='rparen'>)</span>
<span class='id identifier rubyid_dst_label'>dst_label</span> <span class='op'>||=</span> <span class='tstring'><span class='tstring_beg'>"</span><span class='tstring_content'>(DST)</span><span class='tstring_end'>"</span></span>
<span class='ivar'>@zones_names</span> <span class='op'>||=</span> <span class='lbrace'>{</span> <span class='tstring'><span class='tstring_beg'>"</span><span class='tstring_content'>STANDARD</span><span class='tstring_end'>"</span></span> <span class='op'>=></span> <span class='op'>::</span><span class='const'>ActiveSupport</span><span class='op'>::</span><span class='const'>TimeZone</span><span class='period'>.</span><span class='id identifier rubyid_all'>all</span><span class='period'>.</span><span class='id identifier rubyid_collect'>collect</span><span class='lparen'>(</span><span class='op'>&</span><span class='symbol'>:to_s</span><span class='rparen'>)</span> <span class='rbrace'>}</span>
<span class='ivar'>@zones_names</span><span class='lbracket'>[</span><span class='tstring'><span class='tstring_beg'>"</span><span class='tstring_content'>DST[</span><span class='embexpr_beg'>#{</span><span class='id identifier rubyid_dst_label'>dst_label</span><span class='embexpr_end'>}</span><span class='tstring_content'>]-STANDARD</span><span class='tstring_end'>"</span></span><span class='rbracket'>]</span> <span class='op'>||=</span> <span class='op'>::</span><span class='const'>ActiveSupport</span><span class='op'>::</span><span class='const'>TimeZone</span><span class='period'>.</span><span class='id identifier rubyid_all'>all</span><span class='period'>.</span><span class='id identifier rubyid_collect'>collect</span> <span class='lbrace'>{</span> <span class='op'>|</span><span class='id identifier rubyid_zone'>zone</span><span class='op'>|</span> <span class='id identifier rubyid_fetch_aliases'>fetch_aliases</span><span class='lparen'>(</span><span class='id identifier rubyid_zone'>zone</span><span class='comma'>,</span> <span class='id identifier rubyid_dst_label'>dst_label</span><span class='rparen'>)</span> <span class='rbrace'>}</span><span class='period'>.</span><span class='id identifier rubyid_flatten'>flatten</span><span class='period'>.</span><span class='id identifier rubyid_compact'>compact</span><span class='period'>.</span><span class='id identifier rubyid_uniq'>uniq</span><span class='period'>.</span><span class='id identifier rubyid_sort'>sort</span> <span class='lbrace'>{</span> <span class='op'>|</span><span class='id identifier rubyid_a'>a</span><span class='comma'>,</span><span class='id identifier rubyid_b'>b</span><span class='op'>|</span> <span class='op'>::</span><span class='const'>ActiveSupport</span><span class='op'>::</span><span class='const'>TimeZone</span><span class='period'>.</span><span class='id identifier rubyid_compare'>compare</span><span class='lparen'>(</span><span class='id identifier rubyid_a'>a</span><span class='comma'>,</span> <span class='id identifier rubyid_b'>b</span><span class='rparen'>)</span> <span class='rbrace'>}</span> <span class='comment'># Sort by name
</span>
<span class='ivar'>@zones_names</span><span class='lbracket'>[</span><span class='tstring'><span class='tstring_beg'>"</span><span class='embexpr_beg'>#{</span><span class='id identifier rubyid_with_dst'>with_dst</span> <span class='op'>?</span> <span class='tstring'><span class='tstring_beg'>"</span><span class='tstring_content'>DST[</span><span class='embexpr_beg'>#{</span><span class='id identifier rubyid_dst_label'>dst_label</span><span class='embexpr_end'>}</span><span class='tstring_content'>]-</span><span class='tstring_end'>"</span></span> <span class='op'>:</span> <span class='tstring'><span class='tstring_beg'>"</span><span class='tstring_end'>"</span></span><span class='embexpr_end'>}</span><span class='tstring_content'>STANDARD</span><span class='tstring_end'>"</span></span><span class='rbracket'>]</span>
<span class='kw'>end</span></pre>
</td>
</tr>
</table>
</div>
<div class="method_details ">
<h3 class="signature " id="parameterize_zone-instance_method">
- (<tt><span class='object_link'><a href="../String.html" title="Lazier::String (module)">String</a></span></tt>) <strong>parameterize_zone</strong>(tz, with_offset = true)
</h3><div class="docstring">
<div class="discussion">
<p>Returns a string representation of a timezone.</p>
<p><code>ruby
DateTime.parameterize_zone(ActiveSupport::TimeZone["Pacific Time (US & Canada)"])
# => "-0800@pacific-time-us-canada"
</code></p>
</div>
</div>
<div class="tags">
<p class="tag_title">Parameters:</p>
<ul class="param">
<li>
<span class='name'>tz</span>
<span class='type'>(<tt><span class='object_link'><a href="../TimeZone.html" title="Lazier::TimeZone (module)">TimeZone</a></span></tt>)</span>
—
<div class='inline'><p>The zone to represent.</p>
</div>
</li>
<li>
<span class='name'>with_offset</span>
<span class='type'>(<tt><span class='object_link'><a href="../Boolean.html" title="Lazier::Boolean (module)">Boolean</a></span></tt>)</span>
<em class="default">(defaults to: <tt>true</tt>)</em>
—
<div class='inline'><p>If to include offset into the representation.</p>
</div>
</li>
</ul>
<p class="tag_title">Returns:</p>
<ul class="return">
<li>
<span class='type'>(<tt><span class='object_link'><a href="../String.html" title="Lazier::String (module)">String</a></span></tt>)</span>
—
<div class='inline'><p>A string representation which can be used for searches.</p>
</div>
</li>
</ul>
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<pre class="code"><span class="info file"># File 'lib/lazier/datetime.rb', line 334</span>
<span class='kw'>def</span> <span class='id identifier rubyid_parameterize_zone'>parameterize_zone</span><span class='lparen'>(</span><span class='id identifier rubyid_tz'>tz</span><span class='comma'>,</span> <span class='id identifier rubyid_with_offset'>with_offset</span> <span class='op'>=</span> <span class='kw'>true</span><span class='rparen'>)</span>
<span class='id identifier rubyid_tz'>tz</span> <span class='op'>=</span> <span class='id identifier rubyid_tz'>tz</span><span class='period'>.</span><span class='id identifier rubyid_to_s'>to_s</span> <span class='kw'>if</span> <span class='op'>!</span><span class='id identifier rubyid_tz'>tz</span><span class='period'>.</span><span class='id identifier rubyid_is_a?'>is_a?</span><span class='lparen'>(</span><span class='op'>::</span><span class='const'>String</span><span class='rparen'>)</span>
<span class='kw'>if</span> <span class='id identifier rubyid_tz'>tz</span> <span class='op'>=~</span> <span class='tstring'><span class='regexp_beg'>/</span><span class='tstring_content'>^(\([a-z]+([+-])(\d{2})(:?)(\d{2})\)\s(.+))$</span><span class='regexp_end'>/i</span></span> <span class='kw'>then</span>
<span class='id identifier rubyid_with_offset'>with_offset</span> <span class='op'>?</span> <span class='tstring'><span class='tstring_beg'>"</span><span class='embexpr_beg'>#{</span><span class='backref'>$2</span><span class='embexpr_end'>}</span><span class='embexpr_beg'>#{</span><span class='backref'>$3</span><span class='embexpr_end'>}</span><span class='embexpr_beg'>#{</span><span class='backref'>$5</span><span class='embexpr_end'>}</span><span class='tstring_content'>@</span><span class='embexpr_beg'>#{</span><span class='backref'>$6</span><span class='period'>.</span><span class='id identifier rubyid_parameterize'>parameterize</span><span class='embexpr_end'>}</span><span class='tstring_end'>"</span></span> <span class='op'>:</span> <span class='backref'>$6</span><span class='period'>.</span><span class='id identifier rubyid_parameterize'>parameterize</span>
<span class='kw'>elsif</span> <span class='op'>!</span><span class='id identifier rubyid_with_offset'>with_offset</span> <span class='kw'>then</span>
<span class='id identifier rubyid_tz'>tz</span><span class='period'>.</span><span class='id identifier rubyid_gsub'>gsub</span><span class='lparen'>(</span><span class='tstring'><span class='regexp_beg'>/</span><span class='tstring_content'>^([+-]?(\d{2})(:?)(\d{2})@)</span><span class='regexp_end'>/</span></span><span class='comma'>,</span> <span class='tstring'><span class='tstring_beg'>"</span><span class='tstring_end'>"</span></span><span class='rparen'>)</span>
<span class='kw'>else</span>
<span class='id identifier rubyid_tz'>tz</span><span class='period'>.</span><span class='id identifier rubyid_parameterize'>parameterize</span>
<span class='kw'>end</span>
<span class='kw'>end</span></pre>
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<div class="method_details ">
<h3 class="signature " id="rationalize_offset-instance_method">
- (<tt>Rational</tt>) <strong>rationalize_offset</strong>(offset)
</h3><div class="docstring">
<div class="discussion">
<p>Returns an offset in rational value.</p>
</div>
</div>
<div class="tags">
<p class="tag_title">Parameters:</p>
<ul class="param">
<li>
<span class='name'>offset</span>
<span class='type'>(<tt>Fixnum</tt>)</span>
—
<div class='inline'><p>The offset to convert.</p>
</div>
</li>
</ul>
<p class="tag_title">Returns:</p>
<ul class="return">
<li>
<span class='type'>(<tt>Rational</tt>)</span>
—
<div class='inline'><p>The converted offset.</p>
</div>
</li>
</ul>
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<pre class="code"><span class="info file"># File 'lib/lazier/datetime.rb', line 281</span>
<span class='kw'>def</span> <span class='id identifier rubyid_rationalize_offset'>rationalize_offset</span><span class='lparen'>(</span><span class='id identifier rubyid_offset'>offset</span><span class='rparen'>)</span>
<span class='op'>::</span><span class='const'>TZInfo</span><span class='op'>::</span><span class='const'>OffsetRationals</span><span class='period'>.</span><span class='id identifier rubyid_rational_for_offset'>rational_for_offset</span><span class='lparen'>(</span><span class='id identifier rubyid_offset'>offset</span><span class='period'>.</span><span class='id identifier rubyid_is_a?'>is_a?</span><span class='lparen'>(</span><span class='op'>::</span><span class='const'>Fixnum</span><span class='rparen'>)</span> <span class='op'>?</span> <span class='id identifier rubyid_offset'>offset</span> <span class='op'>:</span> <span class='id identifier rubyid_offset'>offset</span><span class='period'>.</span><span class='id identifier rubyid_offset'>offset</span><span class='rparen'>)</span>
<span class='kw'>end</span></pre>
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<div class="method_details ">
<h3 class="signature " id="unparameterize_zone-instance_method">
- (<tt><span class='object_link'><a href="../String.html" title="Lazier::String (module)">String</a></span>|<span class='object_link'><a href="../TimeZone.html" title="Lazier::TimeZone (module)">TimeZone</a></span></tt>) <strong>unparameterize_zone</strong>(tz, as_string = false, dst_label = nil)
</h3><div class="docstring">
<div class="discussion">
<p>Finds a parameterized timezone.</p>
</div>
</div>
<div class="tags">
<p class="tag_title">Parameters:</p>
<ul class="param">
<li>
<span class='name'>tz</span>
<span class='type'>(<tt><span class='object_link'><a href="../String.html" title="Lazier::String (module)">String</a></span></tt>)</span>
—
<div class='inline'><p>The zone to unparameterize.</p>
</div>
</li>
<li>
<span class='name'>as_string</span>
<span class='type'>(<tt><span class='object_link'><a href="../Boolean.html" title="Lazier::Boolean (module)">Boolean</a></span></tt>)</span>
<em class="default">(defaults to: <tt>false</tt>)</em>
—
<div class='inline'><p>If return just the zone name.</p>
</div>
</li>
<li>
<span class='name'>dst_label</span>
<span class='type'>(<tt><span class='object_link'><a href="../String.html" title="Lazier::String (module)">String</a></span></tt>)</span>
<em class="default">(defaults to: <tt>nil</tt>)</em>
—
<div class='inline'><p>Label for the DST indication. Defaults to <code>(DST)</code>.</p>
</div>
</li>
</ul>
<p class="tag_title">Returns:</p>
<ul class="return">
<li>
<span class='type'>(<tt><span class='object_link'><a href="../String.html" title="Lazier::String (module)">String</a></span>|<span class='object_link'><a href="../TimeZone.html" title="Lazier::TimeZone (module)">TimeZone</a></span></tt>)</span>
—
<div class='inline'><p>The found timezone or <code>nil</code> if the zone is not valid.</p>
</div>
</li>
</ul>
<p class="tag_title">See Also:</p>
<ul class="see">
<li>DateTime#parameterize_zone</li>
</ul>
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<pre class="code"><span class="info file"># File 'lib/lazier/datetime.rb', line 353</span>
<span class='kw'>def</span> <span class='id identifier rubyid_unparameterize_zone'>unparameterize_zone</span><span class='lparen'>(</span><span class='id identifier rubyid_tz'>tz</span><span class='comma'>,</span> <span class='id identifier rubyid_as_string'>as_string</span> <span class='op'>=</span> <span class='kw'>false</span><span class='comma'>,</span> <span class='id identifier rubyid_dst_label'>dst_label</span> <span class='op'>=</span> <span class='kw'>nil</span><span class='rparen'>)</span>
<span class='id identifier rubyid_tz'>tz</span> <span class='op'>=</span> <span class='id identifier rubyid_parameterize_zone'>parameterize_zone</span><span class='lparen'>(</span><span class='id identifier rubyid_tz'>tz</span><span class='comma'>,</span> <span class='kw'>false</span><span class='rparen'>)</span>
<span class='id identifier rubyid_matcher'>matcher</span> <span class='op'>=</span> <span class='tstring'><span class='regexp_beg'>/</span><span class='tstring_content'>(</span><span class='embexpr_beg'>#{</span><span class='const'>Regexp</span><span class='period'>.</span><span class='id identifier rubyid_quote'>quote</span><span class='lparen'>(</span><span class='id identifier rubyid_tz'>tz</span><span class='rparen'>)</span><span class='embexpr_end'>}</span><span class='tstring_content'>)$</span><span class='regexp_end'>/</span></span>
<span class='id identifier rubyid_rv'>rv</span> <span class='op'>=</span> <span class='id identifier rubyid_catch'>catch</span><span class='lparen'>(</span><span class='symbol'>:zone</span><span class='rparen'>)</span> <span class='kw'>do</span>
<span class='id identifier rubyid_list_all'>list_all</span><span class='lparen'>(</span><span class='kw'>true</span><span class='comma'>,</span> <span class='id identifier rubyid_dst_label'>dst_label</span><span class='rparen'>)</span><span class='period'>.</span><span class='id identifier rubyid_each'>each</span> <span class='kw'>do</span> <span class='op'>|</span><span class='id identifier rubyid_zone'>zone</span><span class='op'>|</span>
<span class='id identifier rubyid_throw'>throw</span><span class='lparen'>(</span><span class='symbol'>:zone</span><span class='comma'>,</span> <span class='id identifier rubyid_zone'>zone</span><span class='rparen'>)</span> <span class='kw'>if</span> <span class='id identifier rubyid_parameterize_zone'>parameterize_zone</span><span class='lparen'>(</span><span class='id identifier rubyid_zone'>zone</span><span class='comma'>,</span> <span class='kw'>false</span><span class='rparen'>)</span> <span class='op'>=~</span> <span class='id identifier rubyid_matcher'>matcher</span>
<span class='kw'>end</span>
<span class='kw'>nil</span>
<span class='kw'>end</span>
<span class='id identifier rubyid_rv'>rv</span> <span class='op'>?</span> <span class='lparen'>(</span><span class='id identifier rubyid_as_string'>as_string</span> <span class='op'>?</span> <span class='id identifier rubyid_rv'>rv</span> <span class='op'>:</span> <span class='kw'>self</span><span class='period'>.</span><span class='id identifier rubyid_find'>find</span><span class='lparen'>(</span><span class='id identifier rubyid_rv'>rv</span><span class='comma'>,</span> <span class='id identifier rubyid_dst_label'>dst_label</span><span class='rparen'>)</span><span class='rparen'>)</span> <span class='op'>:</span> <span class='kw'>nil</span>
<span class='kw'>end</span></pre>
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