nytprof run results of /variantgraph/<ID> and /relation/<ID>/relationships
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50 <span class="siteTitle">NYTProf Performance Profile</span>
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56 <span class="siteTitle">&nbsp;</span>
57 <span class="siteSubtitle">Run on Thu May 31 16:29:39 2012<br />Reported on Thu May 31 16:38:22 2012</span>
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110</div>
111
112<div class="body_content"><br />
113<table class="file_summary"><tr><td class="h">Filename</td><td align="left"><a href="file:///Users/edenc/perl5/lib/perl5/URI/Escape.pm">/Users/edenc/perl5/lib/perl5/URI/Escape.pm</a></td></tr>
114<tr><td class="h">Statements</td><td align="left">Executed 310 statements in 808&micro;s</td></tr></table>
115
116 <table id="subs_table" border="1" cellpadding="0" class="tablesorter">
117 <caption>Subroutines</caption>
118 <thead>
119 <tr>
120 <th>Calls</th>
121 <th><span title="Number of Places sub is called from">P</span></th>
122 <th><span title="Number of Files sub is called from">F</span></th>
123 <th>Exclusive<br />Time</th>
124 <th>Inclusive<br />Time</th>
125 <th>Subroutine</th>
126 </tr>
127 </thead>
128 <tbody>
129<tr><td class="c0">10</td><td class="c1">2</td><td class="c1">2</td><td class="c0"><span title="0.0%">50&micro;s</span></td><td class="c0"><span title="0.0%">54&micro;s</span></td><td class="sub_name"><span style="display: none;">URI::Escape::::uri_unescape</span>URI::Escape::<a href="URI-Escape-pm-60-line.html#187">uri_unescape</a></span></td></tr>
130<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c0"><span title="0.0%">12&micro;s</span></td><td class="c0"><span title="0.0%">16&micro;s</span></td><td class="sub_name"><span style="display: none;">URI::Escape::::BEGIN@2</span>URI::Escape::<a href="URI-Escape-pm-60-line.html#2">BEGIN@2</a></span></td></tr>
131<tr><td class="c3">2</td><td class="c3">1</td><td class="c3">1</td><td class="c3"><span title="0.0%">6&micro;s</span></td><td class="c3"><span title="0.0%">6&micro;s</span></td><td class="sub_name"><span style="display: none;">URI::Escape::::CORE:qr</span>URI::Escape::<a href="URI-Escape-pm-60-line.html#URI__Escape__CORE_qr">CORE:qr</a>&nbsp;(opcode)</span></td></tr>
132<tr><td class="c0">10</td><td class="c3">1</td><td class="c3">1</td><td class="c3"><span title="0.0%">5&micro;s</span></td><td class="c3"><span title="0.0%">5&micro;s</span></td><td class="sub_name"><span style="display: none;">URI::Escape::::CORE:subst</span>URI::Escape::<a href="URI-Escape-pm-60-line.html#URI__Escape__CORE_subst">CORE:subst</a>&nbsp;(opcode)</span></td></tr>
133<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c3"><span title="0.0%">4&micro;s</span></td><td class="c3"><span title="0.0%">4&micro;s</span></td><td class="sub_name"><span style="display: none;">URI::Escape::::BEGIN@145</span>URI::Escape::<a href="URI-Escape-pm-60-line.html#145">BEGIN@145</a></span></td></tr>
134<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">URI::Escape::::_fail_hi</span>URI::Escape::<a href="URI-Escape-pm-60-line.html#176">_fail_hi</a></span></td></tr>
135<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">URI::Escape::::escape_char</span>URI::Escape::<a href="URI-Escape-pm-60-line.html#204">escape_char</a></span></td></tr>
136<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">URI::Escape::::uri_escape</span>URI::Escape::<a href="URI-Escape-pm-60-line.html#159">uri_escape</a></span></td></tr>
137<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">URI::Escape::::uri_escape_utf8</span>URI::Escape::<a href="URI-Escape-pm-60-line.html#181">uri_escape_utf8</a></span></td></tr>
138</tbody></table>
139 Call graph for these subroutines as a
140 <a href="http://en.wikipedia.org/wiki/Graphviz">Graphviz</a>
141 <a href="Users-edenc-perl5-lib-perl5-URI-Escape-pm.dot">dot language file</a>.
142
143 <table border="1" cellpadding="0">
144 <thead>
145 <tr><th>Line</th>
146 <th><span title="Number of statements executed">State<br />ments</span></th>
147 <th><span title="Time spend executing statements on the line,
148 excluding time spent executing statements in any called subroutines">Time<br />on line</span></th>
149 <th><span title="Number of subroutines calls">Calls</span></th>
150 <th><span title="Time spent in subroutines called (inclusive)">Time<br />in subs</span></th>
151 <th class="left_indent_header">Code</th>
152 </tr>
153
154 </thead>
155 <tbody>
156 <tr><td class="h"><a name="1"></a>1</td><td></td><td></td><td></td><td></td><td class="s">package URI::Escape;</td></tr>
157<tr><td class="h"><a name="2"></a>2</td><td class="c1">2</td><td class="c0"><span title="Avg 58&micro;s">116&micro;s</span></td><td class="c3">2</td><td class="c0">19&micro;s</td><td class="s"><div class="calls"><div class="calls_in"># spent 16&micro;s (12+3) within URI::Escape::BEGIN@2 which was called:
158# once (12&micro;s+3&micro;s) by URI::BEGIN@22 at <a href="URI-Escape-pm-60-line.html#2">line 2</a></div></div>use strict;<div class="calls"><div class="calls_out"># spent 16&micro;s making 1 call to <a href="URI-Escape-pm-60-line.html#2">URI::Escape::BEGIN@2</a>
159# spent 3&micro;s making 1 call to <a href="strict-pm-3-line.html#34">strict::import</a></div></div></td></tr>
160<tr><td class="h"><a name="3"></a>3</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
161<tr><td class="h"><a name="4"></a>4</td><td></td><td></td><td></td><td></td><td class="s">=head1 NAME</td></tr>
162<tr><td class="h"><a name="5"></a>5</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
163<tr><td class="h"><a name="6"></a>6</td><td></td><td></td><td></td><td></td><td class="s">URI::Escape - Percent-encode and percent-decode unsafe characters</td></tr>
164<tr><td class="h"><a name="7"></a>7</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
165<tr><td class="h"><a name="8"></a>8</td><td></td><td></td><td></td><td></td><td class="s">=head1 SYNOPSIS</td></tr>
166<tr><td class="h"><a name="9"></a>9</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
167<tr><td class="h"><a name="10"></a>10</td><td></td><td></td><td></td><td></td><td class="s"> use URI::Escape;</td></tr>
168<tr><td class="h"><a name="11"></a>11</td><td></td><td></td><td></td><td></td><td class="s"> $safe = uri_escape(&quot;10% is enough\n&quot;);</td></tr>
169<tr><td class="h"><a name="12"></a>12</td><td></td><td></td><td></td><td></td><td class="s"> $verysafe = uri_escape(&quot;foo&quot;, &quot;\0-\377&quot;);</td></tr>
170<tr><td class="h"><a name="13"></a>13</td><td></td><td></td><td></td><td></td><td class="s"> $str = uri_unescape($safe);</td></tr>
171<tr><td class="h"><a name="14"></a>14</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
172<tr><td class="h"><a name="15"></a>15</td><td></td><td></td><td></td><td></td><td class="s">=head1 DESCRIPTION</td></tr>
173<tr><td class="h"><a name="16"></a>16</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
174<tr><td class="h"><a name="17"></a>17</td><td></td><td></td><td></td><td></td><td class="s">This module provides functions to percent-encode and percent-decode URI strings as</td></tr>
175<tr><td class="h"><a name="18"></a>18</td><td></td><td></td><td></td><td></td><td class="s">defined by RFC 3986. Percent-encoding URI's is informally called &quot;URI escaping&quot;.</td></tr>
176<tr><td class="h"><a name="19"></a>19</td><td></td><td></td><td></td><td></td><td class="s">This is the terminology used by this module, which predates the formalization of the</td></tr>
177<tr><td class="h"><a name="20"></a>20</td><td></td><td></td><td></td><td></td><td class="s">terms by the RFC by several years.</td></tr>
178<tr><td class="h"><a name="21"></a>21</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
179<tr><td class="h"><a name="22"></a>22</td><td></td><td></td><td></td><td></td><td class="s">A URI consists of a restricted set of characters. The restricted set</td></tr>
180<tr><td class="h"><a name="23"></a>23</td><td></td><td></td><td></td><td></td><td class="s">of characters consists of digits, letters, and a few graphic symbols</td></tr>
181<tr><td class="h"><a name="24"></a>24</td><td></td><td></td><td></td><td></td><td class="s">chosen from those common to most of the character encodings and input</td></tr>
182<tr><td class="h"><a name="25"></a>25</td><td></td><td></td><td></td><td></td><td class="s">facilities available to Internet users. They are made up of the</td></tr>
183<tr><td class="h"><a name="26"></a>26</td><td></td><td></td><td></td><td></td><td class="s">&quot;unreserved&quot; and &quot;reserved&quot; character sets as defined in RFC 3986.</td></tr>
184<tr><td class="h"><a name="27"></a>27</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
185<tr><td class="h"><a name="28"></a>28</td><td></td><td></td><td></td><td></td><td class="s"> unreserved = ALPHA / DIGIT / &quot;-&quot; / &quot;.&quot; / &quot;_&quot; / &quot;~&quot;</td></tr>
186<tr><td class="h"><a name="29"></a>29</td><td></td><td></td><td></td><td></td><td class="s"> reserved = &quot;:&quot; / &quot;/&quot; / &quot;?&quot; / &quot;#&quot; / &quot;[&quot; / &quot;]&quot; / &quot;@&quot;</td></tr>
187<tr><td class="h"><a name="30"></a>30</td><td></td><td></td><td></td><td></td><td class="s"> &quot;!&quot; / &quot;$&quot; / &quot;&amp;&quot; / &quot;'&quot; / &quot;(&quot; / &quot;)&quot;</td></tr>
188<tr><td class="h"><a name="31"></a>31</td><td></td><td></td><td></td><td></td><td class="s"> / &quot;*&quot; / &quot;+&quot; / &quot;,&quot; / &quot;;&quot; / &quot;=&quot;</td></tr>
189<tr><td class="h"><a name="32"></a>32</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
190<tr><td class="h"><a name="33"></a>33</td><td></td><td></td><td></td><td></td><td class="s">In addition, any byte (octet) can be represented in a URI by an escape</td></tr>
191<tr><td class="h"><a name="34"></a>34</td><td></td><td></td><td></td><td></td><td class="s">sequence: a triplet consisting of the character &quot;%&quot; followed by two</td></tr>
192<tr><td class="h"><a name="35"></a>35</td><td></td><td></td><td></td><td></td><td class="s">hexadecimal digits. A byte can also be represented directly by a</td></tr>
193<tr><td class="h"><a name="36"></a>36</td><td></td><td></td><td></td><td></td><td class="s">character, using the US-ASCII character for that octet.</td></tr>
194<tr><td class="h"><a name="37"></a>37</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
195<tr><td class="h"><a name="38"></a>38</td><td></td><td></td><td></td><td></td><td class="s">Some of the characters are I&lt;reserved&gt; for use as delimiters or as</td></tr>
196<tr><td class="h"><a name="39"></a>39</td><td></td><td></td><td></td><td></td><td class="s">part of certain URI components. These must be escaped if they are to</td></tr>
197<tr><td class="h"><a name="40"></a>40</td><td></td><td></td><td></td><td></td><td class="s">be treated as ordinary data. Read RFC 3986 for further details.</td></tr>
198<tr><td class="h"><a name="41"></a>41</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
199<tr><td class="h"><a name="42"></a>42</td><td></td><td></td><td></td><td></td><td class="s">The functions provided (and exported by default) from this module are:</td></tr>
200<tr><td class="h"><a name="43"></a>43</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
201<tr><td class="h"><a name="44"></a>44</td><td></td><td></td><td></td><td></td><td class="s">=over 4</td></tr>
202<tr><td class="h"><a name="45"></a>45</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
203<tr><td class="h"><a name="46"></a>46</td><td></td><td></td><td></td><td></td><td class="s">=item uri_escape( $string )</td></tr>
204<tr><td class="h"><a name="47"></a>47</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
205<tr><td class="h"><a name="48"></a>48</td><td></td><td></td><td></td><td></td><td class="s">=item uri_escape( $string, $unsafe )</td></tr>
206<tr><td class="h"><a name="49"></a>49</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
207<tr><td class="h"><a name="50"></a>50</td><td></td><td></td><td></td><td></td><td class="s">Replaces each unsafe character in the $string with the corresponding</td></tr>
208<tr><td class="h"><a name="51"></a>51</td><td></td><td></td><td></td><td></td><td class="s">escape sequence and returns the result. The $string argument should</td></tr>
209<tr><td class="h"><a name="52"></a>52</td><td></td><td></td><td></td><td></td><td class="s">be a string of bytes. The uri_escape() function will croak if given a</td></tr>
210<tr><td class="h"><a name="53"></a>53</td><td></td><td></td><td></td><td></td><td class="s">characters with code above 255. Use uri_escape_utf8() if you know you</td></tr>
211<tr><td class="h"><a name="54"></a>54</td><td></td><td></td><td></td><td></td><td class="s">have such chars or/and want chars in the 128 .. 255 range treated as</td></tr>
212<tr><td class="h"><a name="55"></a>55</td><td></td><td></td><td></td><td></td><td class="s">UTF-8.</td></tr>
213<tr><td class="h"><a name="56"></a>56</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
214<tr><td class="h"><a name="57"></a>57</td><td></td><td></td><td></td><td></td><td class="s">The uri_escape() function takes an optional second argument that</td></tr>
215<tr><td class="h"><a name="58"></a>58</td><td></td><td></td><td></td><td></td><td class="s">overrides the set of characters that are to be escaped. The set is</td></tr>
216<tr><td class="h"><a name="59"></a>59</td><td></td><td></td><td></td><td></td><td class="s">specified as a string that can be used in a regular expression</td></tr>
217<tr><td class="h"><a name="60"></a>60</td><td></td><td></td><td></td><td></td><td class="s">character class (between [ ]). E.g.:</td></tr>
218<tr><td class="h"><a name="61"></a>61</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
219<tr><td class="h"><a name="62"></a>62</td><td></td><td></td><td></td><td></td><td class="s"> &quot;\x00-\x1f\x7f-\xff&quot; # all control and hi-bit characters</td></tr>
220<tr><td class="h"><a name="63"></a>63</td><td></td><td></td><td></td><td></td><td class="s"> &quot;a-z&quot; # all lower case characters</td></tr>
221<tr><td class="h"><a name="64"></a>64</td><td></td><td></td><td></td><td></td><td class="s"> &quot;^A-Za-z&quot; # everything not a letter</td></tr>
222<tr><td class="h"><a name="65"></a>65</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
223<tr><td class="h"><a name="66"></a>66</td><td></td><td></td><td></td><td></td><td class="s">The default set of characters to be escaped is all those which are</td></tr>
224<tr><td class="h"><a name="67"></a>67</td><td></td><td></td><td></td><td></td><td class="s">I&lt;not&gt; part of the C&lt;unreserved&gt; character class shown above as well</td></tr>
225<tr><td class="h"><a name="68"></a>68</td><td></td><td></td><td></td><td></td><td class="s">as the reserved characters. I.e. the default is:</td></tr>
226<tr><td class="h"><a name="69"></a>69</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
227<tr><td class="h"><a name="70"></a>70</td><td></td><td></td><td></td><td></td><td class="s"> &quot;^A-Za-z0-9\-\._~&quot;</td></tr>
228<tr><td class="h"><a name="71"></a>71</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
229<tr><td class="h"><a name="72"></a>72</td><td></td><td></td><td></td><td></td><td class="s">=item uri_escape_utf8( $string )</td></tr>
230<tr><td class="h"><a name="73"></a>73</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
231<tr><td class="h"><a name="74"></a>74</td><td></td><td></td><td></td><td></td><td class="s">=item uri_escape_utf8( $string, $unsafe )</td></tr>
232<tr><td class="h"><a name="75"></a>75</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
233<tr><td class="h"><a name="76"></a>76</td><td></td><td></td><td></td><td></td><td class="s">Works like uri_escape(), but will encode chars as UTF-8 before</td></tr>
234<tr><td class="h"><a name="77"></a>77</td><td></td><td></td><td></td><td></td><td class="s">escaping them. This makes this function able to deal with characters</td></tr>
235<tr><td class="h"><a name="78"></a>78</td><td></td><td></td><td></td><td></td><td class="s">with code above 255 in $string. Note that chars in the 128 .. 255</td></tr>
236<tr><td class="h"><a name="79"></a>79</td><td></td><td></td><td></td><td></td><td class="s">range will be escaped differently by this function compared to what</td></tr>
237<tr><td class="h"><a name="80"></a>80</td><td></td><td></td><td></td><td></td><td class="s">uri_escape() would. For chars in the 0 .. 127 range there is no</td></tr>
238<tr><td class="h"><a name="81"></a>81</td><td></td><td></td><td></td><td></td><td class="s">difference.</td></tr>
239<tr><td class="h"><a name="82"></a>82</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
240<tr><td class="h"><a name="83"></a>83</td><td></td><td></td><td></td><td></td><td class="s">Equivalent to:</td></tr>
241<tr><td class="h"><a name="84"></a>84</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
242<tr><td class="h"><a name="85"></a>85</td><td></td><td></td><td></td><td></td><td class="s"> utf8::encode($string);</td></tr>
243<tr><td class="h"><a name="86"></a>86</td><td></td><td></td><td></td><td></td><td class="s"> my $uri = uri_escape($string);</td></tr>
244<tr><td class="h"><a name="87"></a>87</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
245<tr><td class="h"><a name="88"></a>88</td><td></td><td></td><td></td><td></td><td class="s">Note: JavaScript has a function called escape() that produces the</td></tr>
246<tr><td class="h"><a name="89"></a>89</td><td></td><td></td><td></td><td></td><td class="s">sequence &quot;%uXXXX&quot; for chars in the 256 .. 65535 range. This function</td></tr>
247<tr><td class="h"><a name="90"></a>90</td><td></td><td></td><td></td><td></td><td class="s">has really nothing to do with URI escaping but some folks got confused</td></tr>
248<tr><td class="h"><a name="91"></a>91</td><td></td><td></td><td></td><td></td><td class="s">since it &quot;does the right thing&quot; in the 0 .. 255 range. Because of</td></tr>
249<tr><td class="h"><a name="92"></a>92</td><td></td><td></td><td></td><td></td><td class="s">this you sometimes see &quot;URIs&quot; with these kind of escapes. The</td></tr>
250<tr><td class="h"><a name="93"></a>93</td><td></td><td></td><td></td><td></td><td class="s">JavaScript encodeURIComponent() function is similar to uri_escape_utf8().</td></tr>
251<tr><td class="h"><a name="94"></a>94</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
252<tr><td class="h"><a name="95"></a>95</td><td></td><td></td><td></td><td></td><td class="s">=item uri_unescape($string,...)</td></tr>
253<tr><td class="h"><a name="96"></a>96</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
254<tr><td class="h"><a name="97"></a>97</td><td></td><td></td><td></td><td></td><td class="s">Returns a string with each %XX sequence replaced with the actual byte</td></tr>
255<tr><td class="h"><a name="98"></a>98</td><td></td><td></td><td></td><td></td><td class="s">(octet).</td></tr>
256<tr><td class="h"><a name="99"></a>99</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
257<tr><td class="h"><a name="100"></a>100</td><td></td><td></td><td></td><td></td><td class="s">This does the same as:</td></tr>
258<tr><td class="h"><a name="101"></a>101</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
259<tr><td class="h"><a name="102"></a>102</td><td></td><td></td><td></td><td></td><td class="s"> $string =~ s/%([0-9A-Fa-f]{2})/chr(hex($1))/eg;</td></tr>
260<tr><td class="h"><a name="103"></a>103</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
261<tr><td class="h"><a name="104"></a>104</td><td></td><td></td><td></td><td></td><td class="s">but does not modify the string in-place as this RE would. Using the</td></tr>
262<tr><td class="h"><a name="105"></a>105</td><td></td><td></td><td></td><td></td><td class="s">uri_unescape() function instead of the RE might make the code look</td></tr>
263<tr><td class="h"><a name="106"></a>106</td><td></td><td></td><td></td><td></td><td class="s">cleaner and is a few characters less to type.</td></tr>
264<tr><td class="h"><a name="107"></a>107</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
265<tr><td class="h"><a name="108"></a>108</td><td></td><td></td><td></td><td></td><td class="s">In a simple benchmark test I did,</td></tr>
266<tr><td class="h"><a name="109"></a>109</td><td></td><td></td><td></td><td></td><td class="s">calling the function (instead of the inline RE above) if a few chars</td></tr>
267<tr><td class="h"><a name="110"></a>110</td><td></td><td></td><td></td><td></td><td class="s">were unescaped was something like 40% slower, and something like 700% slower if none were. If</td></tr>
268<tr><td class="h"><a name="111"></a>111</td><td></td><td></td><td></td><td></td><td class="s">you are going to unescape a lot of times it might be a good idea to</td></tr>
269<tr><td class="h"><a name="112"></a>112</td><td></td><td></td><td></td><td></td><td class="s">inline the RE.</td></tr>
270<tr><td class="h"><a name="113"></a>113</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
271<tr><td class="h"><a name="114"></a>114</td><td></td><td></td><td></td><td></td><td class="s">If the uri_unescape() function is passed multiple strings, then each</td></tr>
272<tr><td class="h"><a name="115"></a>115</td><td></td><td></td><td></td><td></td><td class="s">one is returned unescaped.</td></tr>
273<tr><td class="h"><a name="116"></a>116</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
274<tr><td class="h"><a name="117"></a>117</td><td></td><td></td><td></td><td></td><td class="s">=back</td></tr>
275<tr><td class="h"><a name="118"></a>118</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
276<tr><td class="h"><a name="119"></a>119</td><td></td><td></td><td></td><td></td><td class="s">The module can also export the C&lt;%escapes&gt; hash, which contains the</td></tr>
277<tr><td class="h"><a name="120"></a>120</td><td></td><td></td><td></td><td></td><td class="s">mapping from all 256 bytes to the corresponding escape codes. Lookup</td></tr>
278<tr><td class="h"><a name="121"></a>121</td><td></td><td></td><td></td><td></td><td class="s">in this hash is faster than evaluating C&lt;sprintf(&quot;%%%02X&quot;, ord($byte))&gt;</td></tr>
279<tr><td class="h"><a name="122"></a>122</td><td></td><td></td><td></td><td></td><td class="s">each time.</td></tr>
280<tr><td class="h"><a name="123"></a>123</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
281<tr><td class="h"><a name="124"></a>124</td><td></td><td></td><td></td><td></td><td class="s">=head1 SEE ALSO</td></tr>
282<tr><td class="h"><a name="125"></a>125</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
283<tr><td class="h"><a name="126"></a>126</td><td></td><td></td><td></td><td></td><td class="s">L&lt;URI&gt;</td></tr>
284<tr><td class="h"><a name="127"></a>127</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
285<tr><td class="h"><a name="128"></a>128</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
286<tr><td class="h"><a name="129"></a>129</td><td></td><td></td><td></td><td></td><td class="s">=head1 COPYRIGHT</td></tr>
287<tr><td class="h"><a name="130"></a>130</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
288<tr><td class="h"><a name="131"></a>131</td><td></td><td></td><td></td><td></td><td class="s">Copyright 1995-2004 Gisle Aas.</td></tr>
289<tr><td class="h"><a name="132"></a>132</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
290<tr><td class="h"><a name="133"></a>133</td><td></td><td></td><td></td><td></td><td class="s">This program is free software; you can redistribute it and/or modify</td></tr>
291<tr><td class="h"><a name="134"></a>134</td><td></td><td></td><td></td><td></td><td class="s">it under the same terms as Perl itself.</td></tr>
292<tr><td class="h"><a name="135"></a>135</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
293<tr><td class="h"><a name="136"></a>136</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
294<tr><td class="h"><a name="137"></a>137</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
295<tr><td class="h"><a name="138"></a>138</td><td class="c3">1</td><td class="c3"><span title="Avg 400ns">400ns</span></td><td></td><td></td><td class="s">require Exporter;</td></tr>
296<tr><td class="h"><a name="139"></a>139</td><td class="c3">1</td><td class="c3"><span title="Avg 5&micro;s">5&micro;s</span></td><td></td><td></td><td class="s">our @ISA = qw(Exporter);</td></tr>
297<tr><td class="h"><a name="140"></a>140</td><td class="c3">1</td><td class="c3"><span title="Avg 100ns">100ns</span></td><td></td><td></td><td class="s">our %escapes;</td></tr>
298<tr><td class="h"><a name="141"></a>141</td><td class="c3">1</td><td class="c3"><span title="Avg 900ns">900ns</span></td><td></td><td></td><td class="s">our @EXPORT = qw(uri_escape uri_unescape uri_escape_utf8);</td></tr>
299<tr><td class="h"><a name="142"></a>142</td><td class="c3">1</td><td class="c3"><span title="Avg 400ns">400ns</span></td><td></td><td></td><td class="s">our @EXPORT_OK = qw(%escapes);</td></tr>
300<tr><td class="h"><a name="143"></a>143</td><td class="c3">1</td><td class="c3"><span title="Avg 200ns">200ns</span></td><td></td><td></td><td class="s">our $VERSION = &quot;3.31&quot;;</td></tr>
301<tr><td class="h"><a name="144"></a>144</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
302<tr><td class="h"><a name="145"></a>145</td><td class="c1">2</td><td class="c0"><span title="Avg 190&micro;s">380&micro;s</span></td><td class="c3">1</td><td class="c3">4&micro;s</td><td class="s"><div class="calls"><div class="calls_in"># spent 4&micro;s within URI::Escape::BEGIN@145 which was called:
303# once (4&micro;s+0s) by URI::BEGIN@22 at <a href="URI-Escape-pm-60-line.html#145">line 145</a></div></div>use Carp ();<div class="calls"><div class="calls_out"># spent 4&micro;s making 1 call to <a href="URI-Escape-pm-60-line.html#145">URI::Escape::BEGIN@145</a></div></div></td></tr>
304<tr><td class="h"><a name="146"></a>146</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
305<tr><td class="h"><a name="147"></a>147</td><td></td><td></td><td></td><td></td><td class="s"># Build a char-&gt;hex map</td></tr>
306<tr><td class="h"><a name="148"></a>148</td><td class="c3">1</td><td class="c3"><span title="Avg 2&micro;s">2&micro;s</span></td><td></td><td></td><td class="s">for (0..255) {</td></tr>
307<tr><td class="h"><a name="149"></a>149</td><td class="c0">256</td><td class="c0"><span title="Avg 851ns">218&micro;s</span></td><td></td><td></td><td class="s"> $escapes{chr($_)} = sprintf(&quot;%%%02X&quot;, $_);</td></tr>
308<tr><td class="h"><a name="150"></a>150</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
309<tr><td class="h"><a name="151"></a>151</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
310<tr><td class="h"><a name="152"></a>152</td><td class="c3">1</td><td class="c3"><span title="Avg 200ns">200ns</span></td><td></td><td></td><td class="s">my %subst; # compiled patterns</td></tr>
311<tr><td class="h"><a name="153"></a>153</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
312<tr><td class="h"><a name="154"></a>154</td><td class="c3">1</td><td class="c0"><span title="Avg 14&micro;s">14&micro;s</span></td><td class="c3">2</td><td class="c3">6&micro;s</td><td class="s">my %Unsafe = (<div class="calls"><div class="calls_out"># spent 6&micro;s making 2 calls to <a href="URI-Escape-pm-60-line.html#URI__Escape__CORE_qr">URI::Escape::CORE:qr</a>, avg 3&micro;s/call</div></div></td></tr>
313<tr><td class="h"><a name="155"></a>155</td><td></td><td></td><td></td><td></td><td class="s"> RFC2732 =&gt; qr/[^A-Za-z0-9\-_.!~*'()]/,</td></tr>
314<tr><td class="h"><a name="156"></a>156</td><td></td><td></td><td></td><td></td><td class="s"> RFC3986 =&gt; qr/[^A-Za-z0-9\-\._~]/,</td></tr>
315<tr><td class="h"><a name="157"></a>157</td><td></td><td></td><td></td><td></td><td class="s">);</td></tr>
316<tr><td class="h"><a name="158"></a>158</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
317<tr><td class="h"><a name="159"></a>159</td><td></td><td></td><td></td><td></td><td class="s">sub uri_escape {</td></tr>
318<tr><td class="h"><a name="160"></a>160</td><td></td><td></td><td></td><td></td><td class="s"> my($text, $patn) = @_;</td></tr>
319<tr><td class="h"><a name="161"></a>161</td><td></td><td></td><td></td><td></td><td class="s"> return undef unless defined $text;</td></tr>
320<tr><td class="h"><a name="162"></a>162</td><td></td><td></td><td></td><td></td><td class="s"> if (defined $patn){</td></tr>
321<tr><td class="h"><a name="163"></a>163</td><td></td><td></td><td></td><td></td><td class="s"> unless (exists $subst{$patn}) {</td></tr>
322<tr><td class="h"><a name="164"></a>164</td><td></td><td></td><td></td><td></td><td class="s"> # Because we can't compile the regex we fake it with a cached sub</td></tr>
323<tr><td class="h"><a name="165"></a>165</td><td></td><td></td><td></td><td></td><td class="s"> (my $tmp = $patn) =~ s,/,\\/,g;</td></tr>
324<tr><td class="h"><a name="166"></a>166</td><td></td><td></td><td></td><td></td><td class="s"> eval &quot;\$subst{\$patn} = sub {\$_[0] =~ s/([$tmp])/\$escapes{\$1} || _fail_hi(\$1)/ge; }&quot;;</td></tr>
325<tr><td class="h"><a name="167"></a>167</td><td></td><td></td><td></td><td></td><td class="s"> Carp::croak(&quot;uri_escape: $@&quot;) if $@;</td></tr>
326<tr><td class="h"><a name="168"></a>168</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
327<tr><td class="h"><a name="169"></a>169</td><td></td><td></td><td></td><td></td><td class="s"> &amp;{$subst{$patn}}($text);</td></tr>
328<tr><td class="h"><a name="170"></a>170</td><td></td><td></td><td></td><td></td><td class="s"> } else {</td></tr>
329<tr><td class="h"><a name="171"></a>171</td><td></td><td></td><td></td><td></td><td class="s"> $text =~ s/($Unsafe{RFC3986})/$escapes{$1} || _fail_hi($1)/ge;</td></tr>
330<tr><td class="h"><a name="172"></a>172</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
331<tr><td class="h"><a name="173"></a>173</td><td></td><td></td><td></td><td></td><td class="s"> $text;</td></tr>
332<tr><td class="h"><a name="174"></a>174</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
333<tr><td class="h"><a name="175"></a>175</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
334<tr><td class="h"><a name="176"></a>176</td><td></td><td></td><td></td><td></td><td class="s">sub _fail_hi {</td></tr>
335<tr><td class="h"><a name="177"></a>177</td><td></td><td></td><td></td><td></td><td class="s"> my $chr = shift;</td></tr>
336<tr><td class="h"><a name="178"></a>178</td><td></td><td></td><td></td><td></td><td class="s"> Carp::croak(sprintf &quot;Can't escape \\x{%04X}, try uri_escape_utf8() instead&quot;, ord($chr));</td></tr>
337<tr><td class="h"><a name="179"></a>179</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
338<tr><td class="h"><a name="180"></a>180</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
339<tr><td class="h"><a name="181"></a>181</td><td></td><td></td><td></td><td></td><td class="s">sub uri_escape_utf8 {</td></tr>
340<tr><td class="h"><a name="182"></a>182</td><td></td><td></td><td></td><td></td><td class="s"> my $text = shift;</td></tr>
341<tr><td class="h"><a name="183"></a>183</td><td></td><td></td><td></td><td></td><td class="s"> utf8::encode($text);</td></tr>
342<tr><td class="h"><a name="184"></a>184</td><td></td><td></td><td></td><td></td><td class="s"> return uri_escape($text, @_);</td></tr>
343<tr><td class="h"><a name="185"></a>185</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
344<tr><td class="h"><a name="186"></a>186</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
345<tr><td class="h"><a name="187"></a>187</td><td></td><td></td><td></td><td></td><td class="s"><div class="calls"><div class="calls_in"># spent 54&micro;s (50+5) within URI::Escape::uri_unescape which was called 10 times, avg 5&micro;s/call:
346# 8 times (40&micro;s+3&micro;s) by URI::_server::host at <a href="URI-_server-pm-491-line.html#93">line 93 of URI/_server.pm</a>, avg 5&micro;s/call
347# 2 times (10&micro;s+1&micro;s) by HTTP::Message::PSGI::req_to_psgi at <a href="HTTP-Message-PSGI-pm-2514-line.html#46">line 46 of HTTP/Message/PSGI.pm</a>, avg 6&micro;s/call</div></div>sub uri_unescape {</td></tr>
348<tr><td class="h"><a name="188"></a>188</td><td></td><td></td><td></td><td></td><td class="s"> # Note from RFC1630: &quot;Sequences which start with a percent sign</td></tr>
349<tr><td class="h"><a name="189"></a>189</td><td></td><td></td><td></td><td></td><td class="s"> # but are not followed by two hexadecimal characters are reserved</td></tr>
350<tr><td class="h"><a name="190"></a>190</td><td></td><td></td><td></td><td></td><td class="s"> # for future extension&quot;</td></tr>
351<tr><td class="h"><a name="191"></a>191</td><td class="c0">10</td><td class="c3"><span title="Avg 460ns">5&micro;s</span></td><td></td><td></td><td class="s"> my $str = shift;</td></tr>
352<tr><td class="h"><a name="192"></a>192</td><td class="c0">10</td><td class="c3"><span title="Avg 260ns">3&micro;s</span></td><td></td><td></td><td class="s"> if (@_ &amp;&amp; wantarray) {</td></tr>
353<tr><td class="h"><a name="193"></a>193</td><td></td><td></td><td></td><td></td><td class="s"> # not executed for the common case of a single argument</td></tr>
354<tr><td class="h"><a name="194"></a>194</td><td></td><td></td><td></td><td></td><td class="s"> my @str = ($str, @_); # need to copy</td></tr>
355<tr><td class="h"><a name="195"></a>195</td><td></td><td></td><td></td><td></td><td class="s"> for (@str) {</td></tr>
356<tr><td class="h"><a name="196"></a>196</td><td></td><td></td><td></td><td></td><td class="s"> s/%([0-9A-Fa-f]{2})/chr(hex($1))/eg;</td></tr>
357<tr><td class="h"><a name="197"></a>197</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
358<tr><td class="h"><a name="198"></a>198</td><td></td><td></td><td></td><td></td><td class="s"> return @str;</td></tr>
359<tr><td class="h"><a name="199"></a>199</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
360<tr><td class="h"><a name="200"></a>200</td><td class="c0">10</td><td class="c0"><span title="Avg 2&micro;s">25&micro;s</span></td><td class="c0">10</td><td class="c3">5&micro;s</td><td class="s"> $str =~ s/%([0-9A-Fa-f]{2})/chr(hex($1))/eg if defined $str;<div class="calls"><div class="calls_out"> # spent 5&micro;s making 10 calls to <a href="URI-Escape-pm-60-line.html#URI__Escape__CORE_subst">URI::Escape::CORE:subst</a>, avg 460ns/call</div></div></td></tr>
361<tr><td class="h"><a name="201"></a>201</td><td class="c0">10</td><td class="c0"><span title="Avg 2&micro;s">24&micro;s</span></td><td></td><td></td><td class="s"> $str;</td></tr>
362<tr><td class="h"><a name="202"></a>202</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
363<tr><td class="h"><a name="203"></a>203</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
364<tr><td class="h"><a name="204"></a>204</td><td></td><td></td><td></td><td></td><td class="s">sub escape_char {</td></tr>
365<tr><td class="h"><a name="205"></a>205</td><td></td><td></td><td></td><td></td><td class="s"> return join '', @URI::Escape::escapes{$_[0] =~ /(\C)/g};</td></tr>
366<tr><td class="h"><a name="206"></a>206</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
367<tr><td class="h"><a name="207"></a>207</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
368<tr><td class="h"><a name="208"></a>208</td><td class="c3">1</td><td class="c0"><span title="Avg 15&micro;s">15&micro;s</span></td><td></td><td></td><td class="s">1;</td></tr>
369<tr><td class="s"><a name=""></a>&nbsp;</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
370<tr><td class="h"><a name="URI__Escape__CORE_qr"></a></td><td></td><td></td><td></td><td></td><td class="s"><div class="calls"><div class="calls_in"># spent 6&micro;s within URI::Escape::CORE:qr which was called 2 times, avg 3&micro;s/call:
371# 2 times (6&micro;s+0s) by URI::BEGIN@22 at <a href="URI-Escape-pm-60-line.html#154">line 154</a>, avg 3&micro;s/call</div></div>sub URI::Escape::CORE:qr; # opcode<br /> </td></tr>
372<tr><td class="h"><a name="URI__Escape__CORE_subst"></a></td><td></td><td></td><td></td><td></td><td class="s"><div class="calls"><div class="calls_in"># spent 5&micro;s within URI::Escape::CORE:subst which was called 10 times, avg 460ns/call:
373# 10 times (5&micro;s+0s) by URI::Escape::uri_unescape at <a href="URI-Escape-pm-60-line.html#200">line 200</a>, avg 460ns/call</div></div>sub URI::Escape::CORE:subst; # opcode<br /> </td></tr>
374</tbody></table></div>
375
376 <script type="text/javascript"> $(document).ready(function() {
377
378 $("#subs_table").tablesorter({
379 sortList: [[3,1]],
380 headers: {
381 3: { sorter: 'fmt_time' },
382 4: { sorter: 'fmt_time' }
383 }
384 });
385
386 } ); </script>
387
388 <div class="footer">Report produced by the
389 <a href="http://search.cpan.org/dist/Devel-NYTProf/">NYTProf 4.06</a>
390 Perl profiler, developed by
391 <a href="http://www.linkedin.com/in/timbunce">Tim Bunce</a> and
392 <a href="http://code.nytimes.com">Adam Kaplan</a>.
393 </div>
394 <br /><br /><br /><br /><br /><br /><br /><br /><br /><br />
395 </body></html>