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<h1 class="class">class LineInput</h1> <div id="description" class="description">
<p>$Id: lineinput.rb 2226 2006-04-15 03:05:09Z aamine $</p>
<p>Copyright © 2002-2005 Minero Aoki</p>
<p>This program is free software. You can distribute/modify this program under the terms of the GNU LGPL, Lesser General Public License version 2.1.</p>
</div><!-- description --> <section id="5Buntitled-5D" class="documentation-section"> <!-- Methods --> <section id="public-class-5Buntitled-5D-method-details" class="method-section section"> <h3 class="section-header">Public Class Methods</h3> <div id="method-c-new" class="method-detail "> <div class="method-heading"> <span class="method-name">new</span><span class="method-args">(f)</span> <span class="method-click-advice">click to toggle source</span> </div> <div class="method-description"> <div class="method-source-code" id="new-source"> <pre><span class="ruby-comment"># File lib/lineinput.rb, line 13</span>
<span class=“ruby-keyword”>def</span> <span class=“ruby-identifier”>initialize</span>(<span class=“ruby-identifier”>f</span>)
<span class="ruby-ivar">@input</span> = <span class="ruby-identifier">f</span> <span class="ruby-ivar">@buf</span> = [] <span class="ruby-ivar">@lineno</span> = <span class="ruby-value">0</span> <span class="ruby-ivar">@eof_p</span> = <span class="ruby-keyword">false</span>
<span class=“ruby-keyword”>end</span></pre>
</div><!-- new-source --> </div> </div><!-- new-method --> </ection><!-- public-class-method-details --> <section id="public-instance-5Buntitled-5D-method-details" class="method-section section"> <h3 class="section-header">Public Instance Methods</h3> <div id="method-i-break" class="method-detail method-alias"> <div class="method-heading"> <span class="method-name">break</pan><span class="method-args">(re)</span> </div> <div class="method-description"> </div> <div class="aliases"> Alias for: <a href="LineInput.html#method-i-getlines_until">getlines_until</a> </div> </div><!-- break-method --> <div id="method-i-each" class="method-detail "> <div class="method-heading"> <span class="method-name">each</span><span class="method-args">() { |line| ... }</pan> <span class="method-click-advice">click to toggle source</span> </div> <div class="method-description"> <div class="method-source-code" id="each-source"> <pre><span class="ruby-comment"># File lib/lineinput.rb, line 91</span>
<span class=“ruby-keyword”>def</span> <span class=“ruby-identifier”>each</span>
<span class="ruby-keyword">while</span> <span class="ruby-identifier">line</span> = <span class="ruby-identifier">gets</span>() <span class="ruby-keyword">yield</span> <span class="ruby-identifier">line</span> <span class="ruby-keyword">end</span>
<span class=“ruby-keyword”>end</span></pre>
</div><!-- each-source --> </div> </div><!-- each-method --> <div id="method-i-eof-3F" class="method-detail "> <div class="method-heading"> <span class="method-name">eof?</span><span class="method-args">()</span> <span class="method-click-advice">click to toggle source</span> </div> <div class="method-description"> <div class="method-source-code" id="eof-3F-source"> <pre><span class="ruby-comment"># File lib/lineinput.rb, line 24</span>
<span class=“ruby-keyword”>def</span> <span class=“ruby-identifier”>eof?</span>
<span class="ruby-ivar">@eof_p</span>
<span class=“ruby-keyword”>end</span></pre>
</div><!-- eof-3F-source --> </div> </div><!-- eof-3F-method --> <div id="method-i-getblock" class="method-detail "> <div class="method-heading"> <span class="method-name">getblock</span><span class="method-args">(term_re)</span> <span class="method-click-advice">click to toggle source</span> </div> <div class="method-description"> <div class="method-source-code" id="getblock-source"> <pre><span class="ruby-comment"># File lib/lineinput.rb, line 147</span>
<span class=“ruby-keyword”>def</span> <span class=“ruby-identifier”>getblock</span>(<span class=“ruby-identifier”>term_re</span>)
<span class="ruby-identifier">buf</span> = [] <span class="ruby-identifier">until_terminator</span>(<span class="ruby-identifier">term_re</span>) <span class="ruby-keyword">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">line</span><span class="ruby-operator">|</span> <span class="ruby-identifier">buf</span>.<span class="ruby-identifier">push</span> <span class="ruby-identifier">line</span> <span class="ruby-keyword">end</span> <span class="ruby-identifier">buf</span>
<span class=“ruby-keyword”>end</span></pre>
</div><!-- getblock-source --> </div> </div><!-- getblock-method --> <div id="method-i-getlines_until" class="method-detail "> <div class="method-heading"> <span class="method-name">getlines_until</span><span class="method-args">(re)</span> <span class="method-click-advice">click to toggle source</span> </div> <div class="method-description"> <div class="method-source-code" id="getlines_until-source"> <pre><span class="ruby-comment"># File lib/lineinput.rb, line 129</span>
<span class=“ruby-keyword”>def</span> <span class=“ruby-identifier”>getlines_until</span>(<span class=“ruby-identifier”>re</span>)
<span class="ruby-identifier">buf</span> = [] <span class="ruby-identifier">until_match</span>(<span class="ruby-identifier">re</span>) <span class="ruby-keyword">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">line</span><span class="ruby-operator">|</span> <span class="ruby-identifier">buf</span>.<span class="ruby-identifier">push</span> <span class="ruby-identifier">line</span> <span class="ruby-keyword">end</span> <span class="ruby-identifier">buf</span>
<span class=“ruby-keyword”>end</span></pre>
</div><!-- getlines_until-source --> </div> <div class="aliases"> Also aliased as: <a href="LineInput.html#method-i-break">break</a> </div> </div><!-- getlines_until-method --> <div id="method-i-getlines_while" class="method-detail "> <div class="method-heading"> <span class="method-name">getlines_while</span><span class="method-args">(re)</span> <span class="method-click-advice">click to toggle source</span> </div> <div class="method-description"> <div class="method-source-code" id="getlines_while-source"> <pre><span class="ruby-comment"># File lib/lineinput.rb, line 108</span>
<span class=“ruby-keyword”>def</span> <span class=“ruby-identifier”>getlines_while</span>(<span class=“ruby-identifier”>re</span>)
<span class="ruby-identifier">buf</span> = [] <span class="ruby-identifier">while_match</span>(<span class="ruby-identifier">re</span>) <span class="ruby-keyword">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">line</span><span class="ruby-operator">|</span> <span class="ruby-identifier">buf</span>.<span class="ruby-identifier">push</span> <span class="ruby-identifier">line</span> <span class="ruby-keyword">end</span> <span class="ruby-identifier">buf</span>
<span class=“ruby-keyword”>end</span></pre>
</div><!-- getlines_while-source --> </div> <div class="aliases"> Also aliased as: <a href="LineInput.html#method-i-span">span</a> </div> </div><!-- getlines_while-method --> <div id="method-i-gets" class="method-detail "> <div class="method-heading"> <span class="method-name">gets</span><span class="method-args">()</span> <span class="method-click-advice">click to toggle source</span> </div> <div class="method-description"> <div class="method-source-code" id="gets-source"> <pre><span class="ruby-comment"># File lib/lineinput.rb, line 32</span>
<span class=“ruby-keyword”>def</span> <span class=“ruby-identifier”>gets</span>
<span class="ruby-keyword">unless</span> <span class="ruby-ivar">@buf</span>.<span class="ruby-identifier">empty?</span> <span class="ruby-ivar">@lineno</span> <span class="ruby-operator">+=</span> <span class="ruby-value">1</span> <span class="ruby-keyword">return</span> <span class="ruby-ivar">@buf</span>.<span class="ruby-identifier">pop</span> <span class="ruby-keyword">end</span> <span class="ruby-keyword">return</span> <span class="ruby-keyword">nil</span> <span class="ruby-keyword">if</span> <span class="ruby-ivar">@eof_p</span> <span class="ruby-comment"># to avoid ARGF blocking.</span> <span class="ruby-identifier">line</span> = <span class="ruby-ivar">@input</span>.<span class="ruby-identifier">gets</span> <span class="ruby-ivar">@eof_p</span> = <span class="ruby-keyword">true</span> <span class="ruby-keyword">unless</span> <span class="ruby-identifier">line</span> <span class="ruby-ivar">@lineno</span> <span class="ruby-operator">+=</span> <span class="ruby-value">1</span> <span class="ruby-identifier">line</span>
<span class=“ruby-keyword”>end</span></pre>
</div><!-- gets-source --> </div> </div><!-- gets-method --> <div id="method-i-gets_if" class="method-detail "> <div class="method-heading"> <span class="method-name">gets_if</span><span class="method-args">(re)</span> <span class="method-click-advice">click to toggle source</span> </div> <div class="method-description"> <div class="method-source-code" id="gets_if-source"> <pre><span class="ruby-comment"># File lib/lineinput.rb, line 73</span>
<span class=“ruby-keyword”>def</span> <span class=“ruby-identifier”>gets_if</span>(<span class=“ruby-identifier”>re</span>)
<span class="ruby-identifier">line</span> = <span class="ruby-identifier">gets</span>() <span class="ruby-keyword">if</span> <span class="ruby-keyword">not</span> <span class="ruby-identifier">line</span> <span class="ruby-keyword">or</span> <span class="ruby-keyword">not</span> (<span class="ruby-identifier">re</span> <span class="ruby-operator">=~</span> <span class="ruby-identifier">line</span>) <span class="ruby-identifier">ungets</span> <span class="ruby-identifier">line</span> <span class="ruby-keyword">return</span> <span class="ruby-keyword">nil</span> <span class="ruby-keyword">end</span> <span class="ruby-identifier">line</span>
<span class=“ruby-keyword”>end</span></pre>
</div><!-- gets_if-source --> </div> </div><!-- gets_if-method --> <div id="method-i-gets_unless" class="method-detail "> <div class="method-heading"> <span class="method-name">gets_unless</span><span class="method-args">(re)</span> <span class="method-click-advice">click to toggle source</span> </div> <div class="method-description"> <div class="method-source-code" id="gets_unless-source"> <pre><span class="ruby-comment"># File lib/lineinput.rb, line 82</span>
<span class=“ruby-keyword”>def</span> <span class=“ruby-identifier”>gets_unless</span>(<span class=“ruby-identifier”>re</span>)
<span class="ruby-identifier">line</span> = <span class="ruby-identifier">gets</span>() <span class="ruby-keyword">if</span> <span class="ruby-keyword">not</span> <span class="ruby-identifier">line</span> <span class="ruby-keyword">or</span> <span class="ruby-identifier">re</span> <span class="ruby-operator">=~</span> <span class="ruby-identifier">line</span> <span class="ruby-identifier">ungets</span> <span class="ruby-identifier">line</span> <span class="ruby-keyword">return</span> <span class="ruby-keyword">nil</span> <span class="ruby-keyword">end</span> <span class="ruby-identifier">line</span>
<span class=“ruby-keyword”>end</span></pre>
</div><!-- gets_unless-source --> </div> </div><!-- gets_unless-method --> <div id="method-i-inspect" class="method-detail "> <div class="method-heading"> <span class="method-name">inspect</span><span class="method-args">()</span> <span class="method-click-advice">click to toggle source</span> </div> <div class="method-description"> <div class="method-source-code" id="inspect-source"> <pre><span class="ruby-comment"># File lib/lineinput.rb, line 20</span>
<span class=“ruby-keyword”>def</span> <span class=“ruby-identifier”>inspect</span>
<span class="ruby-node">"\#<#{self.class} file=#{@input.inspect} line=#{lineno()}>"</span>
<span class=“ruby-keyword”>end</span></pre>
</div><!-- inspect-source --> </div> </div><!-- inspect-method --> <div id="method-i-lineno" class="method-detail "> <div class="method-heading"> <span class="method-name">lineno</span><span class="method-args">()</span> <span class="method-click-advice">click to toggle source</span> </div> <div class="method-description"> <div class="method-source-code" id="lineno-source"> <pre><span class="ruby-comment"># File lib/lineinput.rb, line 28</span>
<span class=“ruby-keyword”>def</span> <span class=“ruby-identifier”>lineno</span>
<span class="ruby-ivar">@lineno</span>
<span class=“ruby-keyword”>end</span></pre>
</div><!-- lineno-source --> </div> </div><!-- lineno-method --> <div id="method-i-next-3F" class="method-detail "> <div class="method-heading"> <span class="method-name">next?</span><span class="method-args">()</span> <span class="method-click-advice">click to toggle source</span> </div> <div class="method-description"> <div class="method-source-code" id="next-3F-source"> <pre><span class="ruby-comment"># File lib/lineinput.rb, line 57</span>
<span class=“ruby-keyword”>def</span> <span class=“ruby-identifier”>next?</span>
<span class="ruby-identifier">peek</span>() <span class="ruby-operator">?</span> <span class="ruby-keyword">true</span> <span class="ruby-operator">:</span> <span class="ruby-keyword">false</span>
<span class=“ruby-keyword”>end</span></pre>
</div><!-- next-3F-source --> </div> </div><!-- next-3F-method --> <div id="method-i-peek" class="method-detail "> <div class="method-heading"> <span class="method-name">peek</span><span class="method-args">()</span> <span class="method-click-advice">click to toggle source</span> </div> <div class="method-description"> <div class="method-source-code" id="peek-source"> <pre><span class="ruby-comment"># File lib/lineinput.rb, line 51</span>
<span class=“ruby-keyword”>def</span> <span class=“ruby-identifier”>peek</span>
<span class="ruby-identifier">line</span> = <span class="ruby-identifier">gets</span>() <span class="ruby-identifier">ungets</span> <span class="ruby-identifier">line</span> <span class="ruby-keyword">if</span> <span class="ruby-identifier">line</span> <span class="ruby-identifier">line</span>
<span class=“ruby-keyword”>end</span></pre>
</div><!-- peek-source --> </div> </div><!-- peek-method --> <div id="method-i-skip_blank_lines" class="method-detail "> <div class="method-heading"> <span class="method-name">skip_blank_lines</span><span class="method-args">()</span> <span class="method-click-advice">click to toggle source</span> </div> <div class="method-description"> <div class="method-source-code" id="skip_blank_lines-source"> <pre><span class="ruby-comment"># File lib/lineinput.rb, line 61</span>
<span class=“ruby-keyword”>def</span> <span class=“ruby-identifier”>skip_blank_lines</span>
<span class="ruby-identifier">n</span> = <span class="ruby-value">0</span> <span class="ruby-keyword">while</span> <span class="ruby-identifier">line</span> = <span class="ruby-identifier">gets</span>() <span class="ruby-keyword">unless</span> <span class="ruby-identifier">line</span>.<span class="ruby-identifier">strip</span>.<span class="ruby-identifier">empty?</span> <span class="ruby-identifier">ungets</span> <span class="ruby-identifier">line</span> <span class="ruby-keyword">return</span> <span class="ruby-identifier">n</span> <span class="ruby-keyword">end</span> <span class="ruby-identifier">n</span> <span class="ruby-operator">+=</span> <span class="ruby-value">1</span> <span class="ruby-keyword">end</span> <span class="ruby-identifier">n</span>
<span class=“ruby-keyword”>end</span></pre>
</div><!-- skip_blank_lines-source --> </div> </div><!-- skip_blank_lines-method --> <div id="method-i-span" class="method-detail method-alias"> <div class="method-heading"> <span class="method-name">span</span><span class="method-args">(re)</span> </div> <div class="method-description"> </div> <div class="aliases"> Alias for: <a href="LineInput.html#method-i-getlines_while">getlines_while</a> </div> </div><!-- span-method --> <div id="method-i-ungets" class="method-detail "> <div class="method-heading"> <span class="method-name">ungets</span><span class="method-args">(line)</span> <span class="method-click-advice">click to toggle source</span> </div> <div class="method-description"> <div class="method-source-code" id="ungets-source"> <pre><span class="ruby-comment"># File lib/lineinput.rb, line 44</span>
<span class=“ruby-keyword”>def</span> <span class=“ruby-identifier”>ungets</span>(<span class=“ruby-identifier”>line</span>)
<span class="ruby-keyword">return</span> <span class="ruby-keyword">unless</span> <span class="ruby-identifier">line</span> <span class="ruby-ivar">@lineno</span> <span class="ruby-operator">-=</span> <span class="ruby-value">1</span> <span class="ruby-ivar">@buf</span>.<span class="ruby-identifier">push</span> <span class="ruby-identifier">line</span> <span class="ruby-identifier">line</span>
<span class=“ruby-keyword”>end</span></pre>
</div><!-- ungets-source --> </div> </div><!-- ungets-method --> <div id="method-i-until_match" class="method-detail "> <div class="method-heading"> <span class="method-name">until_match</pan><span class="method-args">(re) { |line| ... }</span> <span class="method-click-advice">click to toggle source</pan> </div> <div class="method-description"> <div class="method-source-code" id="until_match-source"> <pre><span class="ruby-comment"># File lib/lineinput.rb, line 118</span>
<span class=“ruby-keyword”>def</span> <span class=“ruby-identifier”>until_match</span>(<span class=“ruby-identifier”>re</span>)
<span class="ruby-keyword">while</span> <span class="ruby-identifier">line</span> = <span class="ruby-identifier">gets</span>() <span class="ruby-keyword">if</span> <span class="ruby-identifier">re</span> <span class="ruby-operator">=~</span> <span class="ruby-identifier">line</span> <span class="ruby-identifier">ungets</span> <span class="ruby-identifier">line</span> <span class="ruby-keyword">return</span> <span class="ruby-keyword">end</span> <span class="ruby-keyword">yield</span> <span class="ruby-identifier">line</span> <span class="ruby-keyword">end</span> <span class="ruby-keyword">nil</span>
<span class=“ruby-keyword”>end</span></pre>
</div><!-- until_match-source --> </div> </div><!-- until_match-method --> <div id="method-i-until_terminator" class="method-detail "> <div class="method-heading"> <span class="method-name">until_terminator</pan><span class="method-args">(re) { |line| ... }</span> <span class="method-click-advice">click to toggle source</pan> </div> <div class="method-description"> <div class="method-source-code" id="until_terminator-source"> <pre><span class="ruby-comment"># File lib/lineinput.rb, line 139</span>
<span class=“ruby-keyword”>def</span> <span class=“ruby-identifier”>until_terminator</span>(<span class=“ruby-identifier”>re</span>)
<span class="ruby-keyword">while</span> <span class="ruby-identifier">line</span> = <span class="ruby-identifier">gets</span>() <span class="ruby-keyword">return</span> <span class="ruby-keyword">if</span> <span class="ruby-identifier">re</span> <span class="ruby-operator">=~</span> <span class="ruby-identifier">line</span> <span class="ruby-comment"># discard terminal line</span> <span class="ruby-keyword">yield</span> <span class="ruby-identifier">line</span> <span class="ruby-keyword">end</span> <span class="ruby-keyword">nil</span>
<span class=“ruby-keyword”>end</span></pre>
</div><!-- until_terminator-source --> </div> </div><!-- until_terminator-method --> <div id="method-i-while_match" class="method-detail "> <div class="method-heading"> <span class="method-name">while_match</pan><span class="method-args">(re) { |line| ... }</span> <span class="method-click-advice">click to toggle source</pan> </div> <div class="method-description"> <div class="method-source-code" id="while_match-source"> <pre><span class="ruby-comment"># File lib/lineinput.rb, line 97</span>
<span class=“ruby-keyword”>def</span> <span class=“ruby-identifier”>while_match</span>(<span class=“ruby-identifier”>re</span>)
<span class="ruby-keyword">while</span> <span class="ruby-identifier">line</span> = <span class="ruby-identifier">gets</span>() <span class="ruby-keyword">unless</span> <span class="ruby-identifier">re</span> <span class="ruby-operator">=~</span> <span class="ruby-identifier">line</span> <span class="ruby-identifier">ungets</span> <span class="ruby-identifier">line</span> <span class="ruby-keyword">return</span> <span class="ruby-keyword">end</span> <span class="ruby-keyword">yield</span> <span class="ruby-identifier">line</span> <span class="ruby-keyword">end</span> <span class="ruby-keyword">nil</span>
<span class=“ruby-keyword”>end</span></pre>
</div><!-- while_match-source --> </div> </div><!-- while_match-method --> </section><!-- public-instance-method-details --> </section><!-- 5Buntitled-5D -->
</div><!– documentation –>
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