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14 <a name="package-TextUtil-"></a> 1 <span class="k">package </span><span class="i">TextUtil</span><span class="sc">;</span>
15 2 <span class="c">#</span>
16 3 <span class="c"># $RCSfile: TextUtil.pm,v $</span>
17 4 <span class="c"># $Date: 2015/03/22 20:08:26 $</span>
18 5 <span class="c"># $Revision: 1.45 $</span>
19 6 <span class="c">#</span>
20 7 <span class="c"># Author: Manish Sud &lt;msud@san.rr.com&gt;</span>
21 8 <span class="c">#</span>
22 9 <span class="c"># Copyright (C) 2015 Manish Sud. All rights reserved.</span>
23 10 <span class="c">#</span>
24 11 <span class="c"># This file is part of MayaChemTools.</span>
25 12 <span class="c">#</span>
26 13 <span class="c"># MayaChemTools is free software; you can redistribute it and/or modify it under</span>
27 14 <span class="c"># the terms of the GNU Lesser General Public License as published by the Free</span>
28 15 <span class="c"># Software Foundation; either version 3 of the License, or (at your option) any</span>
29 16 <span class="c"># later version.</span>
30 17 <span class="c">#</span>
31 18 <span class="c"># MayaChemTools is distributed in the hope that it will be useful, but without</span>
32 19 <span class="c"># any warranty; without even the implied warranty of merchantability of fitness</span>
33 20 <span class="c"># for a particular purpose. See the GNU Lesser General Public License for more</span>
34 21 <span class="c"># details.</span>
35 22 <span class="c">#</span>
36 23 <span class="c"># You should have received a copy of the GNU Lesser General Public License</span>
37 24 <span class="c"># along with MayaChemTools; if not, see &lt;http://www.gnu.org/licenses/&gt; or</span>
38 25 <span class="c"># write to the Free Software Foundation Inc., 59 Temple Place, Suite 330,</span>
39 26 <span class="c"># Boston, MA, 02111-1307, USA.</span>
40 27 <span class="c">#</span>
41 28
42 29 <span class="k">use</span> <span class="w">strict</span><span class="sc">;</span>
43 30 <span class="k">use</span> <span class="w">Exporter</span><span class="sc">;</span>
44 31
45 32 <span class="k">use</span> <span class="w">vars</span> <span class="q">qw(@ISA @EXPORT @EXPORT_OK %EXPORT_TAGS)</span><span class="sc">;</span>
46 33
47 34 <span class="i">@ISA</span> = <span class="q">qw(Exporter)</span><span class="sc">;</span>
48 35 <span class="i">@EXPORT</span> = <span class="q">qw(AddNumberSuffix ContainsWhiteSpaces GetTextLine GetTextFileDataByUniqueKey GetTextFileDataByNonUniqueKey HashCode IsEmpty IsNumberPowerOfNumber IsInteger IsPositiveInteger IsFloat IsNotEmpty IsNumerical JoinWords SplitWords QuoteAWord RemoveLeadingWhiteSpaces RemoveTrailingWhiteSpaces RemoveLeadingAndTrailingWhiteSpaces WrapText)</span><span class="sc">;</span>
49 36 <span class="i">@EXPORT_OK</span> = <span class="q">qw()</span><span class="sc">;</span>
50 37 <span class="i">%EXPORT_TAGS</span> = <span class="s">(</span><span class="w">all</span> <span class="cm">=&gt;</span> <span class="s">[</span><span class="i">@EXPORT</span><span class="cm">,</span> <span class="i">@EXPORT_OK</span><span class="s">]</span><span class="s">)</span><span class="sc">;</span>
51 38
52 39 <span class="c"># Add number suffix...</span>
53 <a name="AddNumberSuffix-"></a> 40 <span class="k">sub </span><span class="m">AddNumberSuffix</span> <span class="s">{</span>
54 41 <span class="k">my</span><span class="s">(</span><span class="i">$Value</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
55 42 <span class="k">my</span><span class="s">(</span><span class="i">$ValueWithSuffix</span><span class="cm">,</span> <span class="i">$Suffix</span><span class="s">)</span><span class="sc">;</span>
56 43
57 44 <span class="i">$ValueWithSuffix</span> = <span class="i">$Value</span><span class="sc">;</span>
58 45 <span class="k">if</span> <span class="s">(</span>!<span class="i">IsPositiveInteger</span><span class="s">(</span><span class="i">$Value</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
59 46 <span class="k">return</span> <span class="i">$ValueWithSuffix</span><span class="sc">;</span>
60 47 <span class="s">}</span>
61 48 <span class="i">$Suffix</span> = <span class="q">&quot;th&quot;</span><span class="sc">;</span>
62 49 <span class="k">if</span> <span class="s">(</span><span class="i">$Value</span> &lt; <span class="n">10</span> || <span class="i">$Value</span> &gt; <span class="n">20</span><span class="s">)</span> <span class="s">{</span>
63 50 <span class="k">my</span> <span class="i">$Remainder</span> = <span class="i">$Value</span> % <span class="n">10</span><span class="sc">;</span>
64 51 <span class="i">$Suffix</span> = <span class="s">(</span><span class="i">$Remainder</span> == <span class="n">1</span><span class="s">)</span> ? <span class="q">&quot;st&quot;</span> <span class="co">:</span> <span class="s">(</span><span class="s">(</span><span class="i">$Remainder</span> == <span class="n">2</span><span class="s">)</span> ? <span class="q">&quot;nd&quot;</span> <span class="co">:</span> <span class="s">(</span><span class="s">(</span><span class="i">$Remainder</span> == <span class="n">3</span><span class="s">)</span> ? <span class="q">&quot;rd&quot;</span> <span class="co">:</span> <span class="q">&quot;th&quot;</span><span class="s">)</span><span class="s">)</span><span class="sc">;</span>
65 52 <span class="s">}</span>
66 53 <span class="i">$ValueWithSuffix</span> = <span class="q">&quot;${ValueWithSuffix}${Suffix}&quot;</span><span class="sc">;</span>
67 54 <span class="k">return</span> <span class="i">$ValueWithSuffix</span><span class="sc">;</span>
68 55 <span class="s">}</span>
69 56
70 57 <span class="c"># Check out the string: Doen it contain any white space characters?</span>
71 <a name="ContainsWhiteSpaces-"></a> 58 <span class="k">sub </span><span class="m">ContainsWhiteSpaces</span> <span class="s">{</span>
72 59 <span class="k">my</span><span class="s">(</span><span class="i">$TheString</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
73 60 <span class="k">my</span><span class="s">(</span><span class="i">$Status</span><span class="s">)</span> = <span class="n">0</span><span class="sc">;</span>
74 61
75 62 <span class="k">if</span> <span class="s">(</span><span class="k">defined</span><span class="s">(</span><span class="i">$TheString</span><span class="s">)</span> &amp;&amp; <span class="k">length</span><span class="s">(</span><span class="i">$TheString</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
76 63 <span class="i">$Status</span> = <span class="s">(</span><span class="i">$TheString</span> =~ <span class="q">/[ \t\r\n\f]/</span> <span class="s">)</span> ? <span class="n">1</span> <span class="co">:</span> <span class="n">0</span><span class="sc">;</span>
77 64 <span class="s">}</span>
78 65 <span class="k">return</span> <span class="i">$Status</span><span class="sc">;</span>
79 66 <span class="s">}</span>
80 67
81 68 <span class="c"># Read the line, change to UNIX new line char, and chop off new line char as well...</span>
82 <a name="GetTextLine-"></a> 69 <span class="k">sub </span><span class="m">GetTextLine</span> <span class="s">{</span>
83 70 <span class="k">my</span><span class="s">(</span><span class="i">$TextFileRef</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
84 71 <span class="k">my</span><span class="s">(</span><span class="i">$Line</span><span class="s">)</span> = <span class="q">&#39;&#39;</span><span class="sc">;</span>
85 72
86 73 <span class="c"># Get the next non empty line...</span>
87 74 <span class="j">LINE:</span> <span class="k">while</span> <span class="s">(</span><span class="k">defined</span><span class="s">(</span><span class="i">$_</span> = <span class="q">&lt;$TextFileRef&gt;</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
88 75 <span class="c"># Change Windows and Mac new line char to UNIX...</span>
89 76 <span class="q">s/(\r\n)|(\r)/\n/g</span><span class="sc">;</span>
90 77
91 78 <span class="c"># Take out any new line char at the end by explicitly removing it instead of using</span>
92 79 <span class="c"># chomp, which might not always work correctly on files generated on a system</span>
93 80 <span class="c"># with a value of input line separator different from the current system...</span>
94 81 <span class="q">s/\n$//g</span><span class="sc">;</span>
95 82
96 83 <span class="c"># Doesn&#39;t hurt to chomp...</span>
97 84 <span class="k">chomp</span><span class="sc">;</span>
98 85
99 86 <span class="i">$Line</span> = <span class="i">$_</span><span class="sc">;</span>
100 87 <span class="k">if</span> <span class="s">(</span><span class="k">length</span> <span class="i">$Line</span><span class="s">)</span> <span class="s">{</span>
101 88 <span class="k">last</span> <span class="j">LINE</span><span class="sc">;</span>
102 89 <span class="s">}</span>
103 90 <span class="s">}</span>
104 91 <span class="k">return</span> <span class="i">$Line</span><span class="sc">;</span>
105 92 <span class="s">}</span>
106 93
107 94 <span class="c"># Load data from a CSV file into the specified hash reference using a specific</span>
108 95 <span class="c"># column for unique data key values.</span>
109 96 <span class="c">#</span>
110 97 <span class="c"># The lines starting with # are treated as comments and ignored. First line</span>
111 98 <span class="c"># not starting with # must contain column labels and the number of columns in</span>
112 99 <span class="c"># all other data rows must match the number of column labels.</span>
113 100 <span class="c">#</span>
114 101 <span class="c"># The first column is assumed to contain data key value by default; all other columns</span>
115 102 <span class="c"># contain data as indicated in their column labels.</span>
116 103 <span class="c">#</span>
117 104 <span class="c"># In order to avoid dependence of data access on the specified column labels, the</span>
118 105 <span class="c"># column data is loaded into hash with Column&lt;Num&gt; hash keys, where column number</span>
119 106 <span class="c"># start from 1. The data key column is not available as Colnum&lt;Num&gt; hash key;</span>
120 107 <span class="c">#</span>
121 108 <span class="c"># The format of the data structure loaded into a specified hash reference is:</span>
122 109 <span class="c">#</span>
123 110 <span class="c"># @{$TextDataMapRef-&gt;{DataKeys}} - Array of unique data keys</span>
124 111 <span class="c"># @{$TextDataMapRef-&gt;{ColLabels}} - Array of column labels</span>
125 112 <span class="c"># @{$TextDataMapRef-&gt;{DataColIDs}} - Array of data column IDs</span>
126 113 <span class="c"># $TextDataMapRef-&gt;{NumOfCols} - Number of columns</span>
127 114 <span class="c"># %{$TextDataMapRef-&gt;{DataKey}} - Hash keys pair: &lt;DataKey, DataKey&gt;</span>
128 115 <span class="c"># %{$TextDataMapRef-&gt;{DataCol&lt;Num&gt;}} - Hash keys pair: &lt;DataCol&lt;Num&gt;, DataKey&gt;</span>
129 116 <span class="c">#</span>
130 117 <span class="c"># Caveats:</span>
131 118 <span class="c"># . The column number start from 1.</span>
132 119 <span class="c"># . Column data for data key column column is not loaded into &lt;Column&lt;Num&gt;, DataKey&gt; hash keys pairs.</span>
133 120 <span class="c">#</span>
134 <a name="GetTextFileDataByUniqueKey-"></a> 121 <span class="k">sub </span><span class="m">GetTextFileDataByUniqueKey</span> <span class="s">{</span>
135 122 <span class="k">my</span><span class="s">(</span><span class="i">$TextDataFile</span><span class="cm">,</span> <span class="i">$TextDataMapRef</span><span class="cm">,</span> <span class="i">$DataKeyColNum</span><span class="cm">,</span> <span class="i">$InDelim</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
136 123
137 124 <span class="k">return</span> <span class="i">_GetTextFileData</span><span class="s">(</span><span class="q">&quot;UniqueKey&quot;</span><span class="cm">,</span> <span class="i">$TextDataFile</span><span class="cm">,</span> <span class="i">$TextDataMapRef</span><span class="cm">,</span> <span class="i">$DataKeyColNum</span><span class="cm">,</span> <span class="i">$InDelim</span><span class="s">)</span><span class="sc">;</span>
138 125 <span class="s">}</span>
139 126
140 127 <span class="c"># Load data from a CSV file into the specified hash reference using a specific</span>
141 128 <span class="c"># column for non-unique data key values.</span>
142 129 <span class="c">#</span>
143 130 <span class="c"># The lines starting with # are treated as comments and ignored. First line</span>
144 131 <span class="c"># not starting with # must contain column labels and the number of columns in</span>
145 132 <span class="c"># all other data rows must match the number of column labels.</span>
146 133 <span class="c">#</span>
147 134 <span class="c"># The first column is assumed to contain data key value by default; all other columns</span>
148 135 <span class="c"># contain data as indicated in their column labels.</span>
149 136 <span class="c">#</span>
150 137 <span class="c"># In order to avoid dependence of data access on the specified column labels, the</span>
151 138 <span class="c"># column data is loaded into hash with Column&lt;Num&gt; hash keys, where column number</span>
152 139 <span class="c"># start from 1. The data key column is not available as Colnum&lt;Num&gt; hash key;</span>
153 140 <span class="c">#</span>
154 141 <span class="c"># The format of the data structure loaded into a specified hash reference is:</span>
155 142 <span class="c">#</span>
156 143 <span class="c"># @{$TextDataMapRef-&gt;{DataKeys}} - Array of unique data keys</span>
157 144 <span class="c"># @{$TextDataMapRef-&gt;{ColLabels}} - Array of column labels</span>
158 145 <span class="c"># @{$TextDataMapRef-&gt;{DataColIDs}} - Array of data column IDs</span>
159 146 <span class="c"># $TextDataMapRef-&gt;{NumOfCols} - Number of columns</span>
160 147 <span class="c"># %{$TextDataMapRef-&gt;{DataKey}} - Hash keys pair: &lt;DataKey, DataKey&gt;</span>
161 148 <span class="c"># @{$TextDataMapRef-&gt;{DataCol&lt;Num&gt;}} - Hash keys pair with data as an array: &lt;DataCol&lt;Num&gt;, DataKey&gt;</span>
162 149 <span class="c">#</span>
163 150 <span class="c"># Caveats:</span>
164 151 <span class="c"># . The column number start from 1.</span>
165 152 <span class="c"># . Column data for data key column column is not loaded into &lt;Column&lt;Num&gt;, DataKey&gt; hash keys pairs.</span>
166 153 <span class="c">#</span>
167 <a name="GetTextFileDataByNonUniqueKey-"></a> 154 <span class="k">sub </span><span class="m">GetTextFileDataByNonUniqueKey</span> <span class="s">{</span>
168 155 <span class="k">my</span><span class="s">(</span><span class="i">$TextDataFile</span><span class="cm">,</span> <span class="i">$TextDataMapRef</span><span class="cm">,</span> <span class="i">$DataKeyColNum</span><span class="cm">,</span> <span class="i">$InDelim</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
169 156
170 157 <span class="k">return</span> <span class="i">_GetTextFileData</span><span class="s">(</span><span class="q">&quot;NonUniqueKey&quot;</span><span class="cm">,</span> <span class="i">$TextDataFile</span><span class="cm">,</span> <span class="i">$TextDataMapRef</span><span class="cm">,</span> <span class="i">$DataKeyColNum</span><span class="cm">,</span> <span class="i">$InDelim</span><span class="s">)</span><span class="sc">;</span>
171 158 <span class="s">}</span>
172 159
173 160 <span class="c"># Loadtext file data using unique or non-uniqye data column key...</span>
174 161 <span class="c">#</span>
175 <a name="_GetTextFileData-"></a> 162 <span class="k">sub </span><span class="m">_GetTextFileData</span> <span class="s">{</span>
176 163 <span class="k">my</span><span class="s">(</span><span class="i">$DataKeyMode</span><span class="cm">,</span> <span class="i">$TextDataFile</span><span class="cm">,</span> <span class="i">$TextDataMapRef</span><span class="cm">,</span> <span class="i">$DataKeyColNum</span><span class="cm">,</span> <span class="i">$InDelim</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
177 164 <span class="k">my</span><span class="s">(</span><span class="i">$DataKeyColIndex</span><span class="cm">,</span> <span class="i">$LineCount</span><span class="cm">,</span> <span class="i">$IgnoredLineCount</span><span class="cm">,</span> <span class="i">$UniqueDataKeyMode</span><span class="cm">,</span> <span class="i">$DataKey</span><span class="cm">,</span> <span class="i">$Line</span><span class="cm">,</span> <span class="i">$NumOfCols</span><span class="cm">,</span> <span class="i">$ColIndex</span><span class="cm">,</span> <span class="i">$ColNum</span><span class="cm">,</span> <span class="i">$ColID</span><span class="cm">,</span> <span class="i">$ColValue</span><span class="cm">,</span> <span class="i">@LineWords</span><span class="cm">,</span> <span class="i">@ColLabels</span><span class="cm">,</span> <span class="i">@DataColIDs</span><span class="cm">,</span> <span class="i">@DataColNums</span><span class="s">)</span><span class="sc">;</span>
178 165
179 166 <span class="k">print</span> <span class="q">&quot;\nProcessing text data file $TextDataFile...\n&quot;</span><span class="sc">;</span>
180 167
181 168 <span class="i">$UniqueDataKeyMode</span> = <span class="n">0</span><span class="sc">;</span>
182 169 <span class="k">if</span> <span class="s">(</span><span class="i">$DataKeyMode</span> =~ <span class="q">/^UniqueKey$/i</span><span class="s">)</span> <span class="s">{</span>
183 170 <span class="i">$UniqueDataKeyMode</span> = <span class="n">1</span><span class="sc">;</span>
184 171 <span class="s">}</span>
185 172
186 173 <span class="c"># Setup default values...</span>
187 174 <span class="i">$DataKeyColNum</span> = <span class="k">defined</span> <span class="i">$DataKeyColNum</span> ? <span class="i">$DataKeyColNum</span> <span class="co">:</span> <span class="n">1</span><span class="sc">;</span>
188 175
189 176 <span class="k">if</span> <span class="s">(</span><span class="i">$TextDataFile</span> =~ <span class="q">/^\.tsv$/i</span><span class="s">)</span> <span class="s">{</span>
190 177 <span class="i">$InDelim</span> = <span class="q">&quot;\t&quot;</span><span class="sc">;</span>
191 178 <span class="s">}</span>
192 179 <span class="k">else</span> <span class="s">{</span>
193 180 <span class="i">$InDelim</span> = <span class="q">&quot;\,&quot;</span><span class="sc">;</span>
194 181 <span class="k">if</span> <span class="s">(</span><span class="i">$InDelim</span> =~ <span class="q">/^semicolon$/i</span><span class="s">)</span> <span class="s">{</span>
195 182 <span class="i">$InDelim</span> = <span class="q">&quot;\;&quot;</span><span class="sc">;</span>
196 183 <span class="s">}</span>
197 184 <span class="s">}</span>
198 185
199 186 <span class="s">(</span><span class="i">$LineCount</span><span class="cm">,</span> <span class="i">$IgnoredLineCount</span><span class="s">)</span> = <span class="s">(</span><span class="n">0</span><span class="s">)</span> x <span class="n">2</span><span class="sc">;</span>
200 187
201 188 <span class="k">open</span> <span class="w">TEXTDATAFILE</span><span class="cm">,</span> <span class="q">&quot;$TextDataFile&quot;</span> <span class="k">or</span> <span class="k">die</span> <span class="q">&quot;Couldn&#39;t open $TextDataFile: $! ...&quot;</span><span class="sc">;</span>
202 189
203 190 <span class="c"># Skip lines up to column labels...</span>
204 191 <span class="j">LINE:</span> <span class="k">while</span> <span class="s">(</span><span class="i">$Line</span> = <span class="i">TextUtil::GetTextLine</span><span class="s">(</span>\<span class="i">*TEXTDATAFILE</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
205 192 <span class="i">$LineCount</span>++<span class="sc">;</span>
206 193 <span class="k">if</span> <span class="s">(</span><span class="i">$Line</span> =~ <span class="q">/^#/</span><span class="s">)</span> <span class="s">{</span>
207 194 <span class="i">$IgnoredLineCount</span>++<span class="sc">;</span>
208 195 <span class="s">}</span>
209 196 <span class="k">else</span> <span class="s">{</span>
210 197 <span class="k">last</span> <span class="j">LINE</span><span class="sc">;</span>
211 198 <span class="s">}</span>
212 199 <span class="s">}</span>
213 200
214 201 <span class="c"># Initialize data map...</span>
215 202 <span class="i">%</span>{<span class="i">$TextDataMapRef</span>} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
216 203 <span class="i">@</span>{<span class="i">$TextDataMapRef</span>-&gt;{<span class="w">DataKeys</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
217 204 <span class="i">@</span>{<span class="i">$TextDataMapRef</span>-&gt;{<span class="w">ColLabels</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
218 205 <span class="i">@</span>{<span class="i">$TextDataMapRef</span>-&gt;{<span class="w">DataColIDs</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
219 206 <span class="i">$TextDataMapRef</span>-&gt;{<span class="w">NumOfCols</span>} = <span class="k">undef</span><span class="sc">;</span>
220 207
221 208 <span class="c"># Process column labels...</span>
222 209 <span class="i">@ColLabels</span>= <span class="i">quotewords</span><span class="s">(</span><span class="i">$InDelim</span><span class="cm">,</span> <span class="n">0</span><span class="cm">,</span> <span class="i">$Line</span><span class="s">)</span><span class="sc">;</span>
223 210 <span class="i">$NumOfCols</span> = <span class="i">@ColLabels</span><span class="sc">;</span>
224 211
225 212 <span class="k">if</span> <span class="s">(</span><span class="i">$DataKeyColNum</span> &lt; <span class="n">1</span> || <span class="i">$DataKeyColNum</span> &gt; <span class="i">$NumOfCols</span><span class="s">)</span> <span class="s">{</span>
226 213 <span class="k">warn</span> <span class="q">&quot;Warning: Ignoring text data file $TextDataFile: Invalid data key column number, $DataKeyColNum, specified. It must be &gt; 0 or &lt;= $NumOfCols, number of columns in the text file ...&quot;</span><span class="sc">;</span>
227 214 <span class="k">return</span><span class="sc">;</span>
228 215 <span class="s">}</span>
229 216 <span class="i">$DataKeyColIndex</span> = <span class="i">$DataKeyColNum</span> - <span class="n">1</span><span class="sc">;</span>
230 217
231 218 <span class="i">$TextDataMapRef</span>-&gt;{<span class="w">NumOfCols</span>} = <span class="i">$NumOfCols</span><span class="sc">;</span>
232 219 <span class="k">push</span> <span class="i">@</span>{<span class="i">$TextDataMapRef</span>-&gt;{<span class="w">ColLabels</span>}}<span class="cm">,</span> <span class="i">@ColLabels</span><span class="sc">;</span>
233 220
234 221 <span class="c"># Set up column data IDs for tracking the data...</span>
235 222 <span class="i">@DataColNums</span> = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
236 223 <span class="i">@DataColIDs</span> = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
237 224 <span class="j">COLNUM:</span> <span class="k">for</span> <span class="i">$ColNum</span> <span class="s">(</span><span class="n">1</span> .. <span class="i">$NumOfCols</span><span class="s">)</span> <span class="s">{</span>
238 225 <span class="k">if</span> <span class="s">(</span><span class="i">$ColNum</span> == <span class="i">$DataKeyColNum</span><span class="s">)</span> <span class="s">{</span>
239 226 <span class="k">next</span> <span class="j">COLNUM</span><span class="sc">;</span>
240 227 <span class="s">}</span>
241 228 <span class="k">push</span> <span class="i">@DataColNums</span><span class="cm">,</span> <span class="i">$ColNum</span><span class="sc">;</span>
242 229 <span class="i">$ColID</span> = <span class="q">&quot;DataCol${ColNum}&quot;</span><span class="sc">;</span>
243 230 <span class="k">push</span> <span class="i">@DataColIDs</span><span class="cm">,</span> <span class="i">$ColID</span><span class="sc">;</span>
244 231 <span class="s">}</span>
245 232 <span class="k">push</span> <span class="i">@</span>{<span class="i">$TextDataMapRef</span>-&gt;{<span class="w">DataColIDs</span>}}<span class="cm">,</span> <span class="i">@DataColIDs</span><span class="sc">;</span>
246 233
247 234 <span class="c"># Initialize column data hash...</span>
248 235 <span class="i">%</span>{<span class="i">$TextDataMapRef</span>-&gt;{<span class="w">DataKey</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
249 236 <span class="k">for</span> <span class="i">$ColIndex</span> <span class="s">(</span><span class="n">0</span> .. <span class="i">$#DataColNums</span><span class="s">)</span> <span class="s">{</span>
250 237 <span class="i">$ColNum</span> = <span class="i">$DataColNums</span>[<span class="i">$ColIndex</span>]<span class="sc">;</span>
251 238 <span class="i">$ColID</span> = <span class="i">$DataColIDs</span>[<span class="i">$ColIndex</span>]<span class="sc">;</span>
252 239 <span class="i">%</span>{<span class="i">$TextDataMapRef</span>-&gt;{<span class="i">$ColID</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
253 240 <span class="s">}</span>
254 241
255 242 <span class="j">LINE:</span> <span class="k">while</span> <span class="s">(</span><span class="i">$Line</span> = <span class="i">TextUtil::GetTextLine</span><span class="s">(</span>\<span class="i">*TEXTDATAFILE</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
256 243 <span class="i">$LineCount</span>++<span class="sc">;</span>
257 244 <span class="k">if</span> <span class="s">(</span><span class="i">$Line</span> =~ <span class="q">/^#/</span><span class="s">)</span> <span class="s">{</span>
258 245 <span class="i">$IgnoredLineCount</span>++<span class="sc">;</span>
259 246 <span class="k">next</span> <span class="j">LINE</span><span class="sc">;</span>
260 247 <span class="s">}</span>
261 248
262 249 <span class="i">@LineWords</span> = <span class="i">quotewords</span><span class="s">(</span><span class="i">$InDelim</span><span class="cm">,</span> <span class="n">0</span><span class="cm">,</span> <span class="i">$Line</span><span class="s">)</span><span class="sc">;</span>
263 250 <span class="k">if</span> <span class="s">(</span><span class="i">@LineWords</span> != <span class="i">$NumOfCols</span><span class="s">)</span> <span class="s">{</span>
264 251 <span class="i">$IgnoredLineCount</span>++<span class="sc">;</span>
265 252 <span class="k">warn</span> <span class="q">&quot;Warning: The number of data fields, @LineWords, in $TextDataFile must be $NumOfCols.\nIgnoring line number $LineCount: $Line...\n&quot;</span><span class="sc">;</span>
266 253 <span class="k">next</span> <span class="j">LINE</span><span class="sc">;</span>
267 254 <span class="s">}</span>
268 255 <span class="i">$DataKey</span> = <span class="i">$LineWords</span>[<span class="i">$DataKeyColIndex</span>]<span class="sc">;</span>
269 256
270 257 <span class="k">if</span> <span class="s">(</span><span class="i">$UniqueDataKeyMode</span><span class="s">)</span> <span class="s">{</span>
271 258 <span class="k">if</span> <span class="s">(</span><span class="k">exists</span> <span class="i">$TextDataMapRef</span>-&gt;{<span class="w">DataKey</span>}{<span class="i">$DataKey</span>}<span class="s">)</span> <span class="s">{</span>
272 259 <span class="i">$IgnoredLineCount</span>++<span class="sc">;</span>
273 260 <span class="k">warn</span> <span class="q">&quot;Warning: The data key, $DataKey, in data column key number, $DataKeyColNum, is already present.\nIgnoring line number $LineCount: $Line...\n&quot;</span><span class="sc">;</span>
274 261 <span class="k">next</span> <span class="j">LINE</span><span class="sc">;</span>
275 262 <span class="s">}</span>
276 263 <span class="k">push</span> <span class="i">@</span>{<span class="i">$TextDataMapRef</span>-&gt;{<span class="w">DataKeys</span>}}<span class="cm">,</span> <span class="i">$DataKey</span><span class="sc">;</span>
277 264 <span class="i">$TextDataMapRef</span>-&gt;{<span class="w">DataKey</span>}{<span class="i">$DataKey</span>} = <span class="i">$DataKey</span><span class="sc">;</span>
278 265 <span class="s">}</span>
279 266 <span class="k">else</span> <span class="s">{</span>
280 267 <span class="k">if</span> <span class="s">(</span>!<span class="k">exists</span> <span class="i">$TextDataMapRef</span>-&gt;{<span class="w">DataKey</span>}{<span class="i">$DataKey</span>}<span class="s">)</span> <span class="s">{</span>
281 268 <span class="k">push</span> <span class="i">@</span>{<span class="i">$TextDataMapRef</span>-&gt;{<span class="w">DataKeys</span>}}<span class="cm">,</span> <span class="i">$DataKey</span><span class="sc">;</span>
282 269 <span class="i">$TextDataMapRef</span>-&gt;{<span class="w">DataKey</span>}{<span class="i">$DataKey</span>} = <span class="i">$DataKey</span><span class="sc">;</span>
283 270
284 271 <span class="k">for</span> <span class="i">$ColIndex</span> <span class="s">(</span><span class="n">0</span> .. <span class="i">$#DataColNums</span><span class="s">)</span> <span class="s">{</span>
285 272 <span class="i">$ColNum</span> = <span class="i">$DataColNums</span>[<span class="i">$ColIndex</span>]<span class="sc">;</span>
286 273 <span class="i">$ColID</span> = <span class="i">$DataColIDs</span>[<span class="i">$ColIndex</span>]<span class="sc">;</span>
287 274 <span class="i">@</span>{<span class="i">$TextDataMapRef</span>-&gt;{<span class="i">$ColID</span>}{<span class="i">$DataKey</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
288 275 <span class="s">}</span>
289 276 <span class="s">}</span>
290 277 <span class="s">}</span>
291 278
292 279 <span class="c"># Track column data values...</span>
293 280 <span class="k">for</span> <span class="i">$ColIndex</span> <span class="s">(</span><span class="n">0</span> .. <span class="i">$#DataColNums</span><span class="s">)</span> <span class="s">{</span>
294 281 <span class="i">$ColID</span> = <span class="i">$DataColIDs</span>[<span class="i">$ColIndex</span>]<span class="sc">;</span>
295 282
296 283 <span class="i">$ColNum</span> = <span class="i">$DataColNums</span>[<span class="i">$ColIndex</span>]<span class="sc">;</span>
297 284 <span class="i">$ColValue</span> = <span class="i">$LineWords</span>[<span class="i">$ColNum</span> - <span class="n">1</span>]<span class="sc">;</span>
298 285
299 286 <span class="k">if</span> <span class="s">(</span><span class="i">$UniqueDataKeyMode</span><span class="s">)</span> <span class="s">{</span>
300 287 <span class="i">$TextDataMapRef</span>-&gt;{<span class="i">$ColID</span>}{<span class="i">$DataKey</span>} = <span class="i">$ColValue</span><span class="sc">;</span>
301 288 <span class="s">}</span>
302 289 <span class="k">else</span> <span class="s">{</span>
303 290 <span class="k">push</span> <span class="i">@</span>{<span class="i">$TextDataMapRef</span>-&gt;{<span class="i">$ColID</span>}{<span class="i">$DataKey</span>}}<span class="cm">,</span> <span class="i">$ColValue</span><span class="sc">;</span>
304 291 <span class="s">}</span>
305 292 <span class="s">}</span>
306 293
307 294 <span class="s">}</span>
308 295
309 296 <span class="k">print</span> <span class="q">&quot;\nTotal number of lines in file $TextDataFile: $LineCount\n&quot;</span><span class="sc">;</span>
310 297 <span class="k">print</span> <span class="q">&quot;Total number of lines ignored: $IgnoredLineCount\n&quot;</span><span class="sc">;</span>
311 298
312 299 <span class="k">close</span> <span class="w">TEXTDATAFILE</span><span class="sc">;</span>
313 300 <span class="s">}</span>
314 301
315 302 <span class="c"># Returns a 32 bit integer hash code using One-at-a-time algorithm By Bob Jenkins [Ref 38]. It&#39;s also implemented in</span>
316 303 <span class="c"># Perl for internal hash keys in hv.h include file.</span>
317 304 <span class="c">#</span>
318 305 <span class="c"># It&#39;s not clear how to force Perl perform unsigned integer arithmetic irrespective of the OS/Platform and</span>
319 306 <span class="c"># the value of use64bitint flag used during its compilation.</span>
320 307 <span class="c">#</span>
321 308 <span class="c"># In order to generate a consistent 32 bit has code across OS/platforms, the following methodology appear</span>
322 309 <span class="c"># to work:</span>
323 310 <span class="c">#</span>
324 311 <span class="c"># o Use MaxHashCodeMask to retrieve appropriate bits after left shifting by bit operators and additions</span>
325 312 <span class="c"># o Stay away from &quot;use integer&quot; to avoid signed integer arithmetic for bit operators</span>
326 313 <span class="c">#</span>
327 314 <span class="c">#</span>
328 315 <span class="c"># MaxHashCodeMask (2147483647) corresponds to the maximum value which can be stored in 31 bits</span>
329 316 <span class="c">#</span>
330 317 <span class="k">my</span><span class="s">(</span><span class="i">$MaxHashCodeMask</span><span class="s">)</span><span class="sc">;</span>
331 318 <span class="i">$MaxHashCodeMask</span> = <span class="n">2</span>**<span class="n">31</span> - <span class="n">1</span><span class="sc">;</span>
332 319
333 <a name="HashCode-"></a> 320 <span class="k">sub </span><span class="m">HashCode</span> <span class="s">{</span>
334 321 <span class="k">my</span><span class="s">(</span><span class="i">$String</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
335 322 <span class="k">my</span><span class="s">(</span><span class="i">$HashCode</span><span class="cm">,</span> <span class="i">$Value</span><span class="cm">,</span> <span class="i">$ShiftedHashCode</span><span class="s">)</span><span class="sc">;</span>
336 323
337 324 <span class="i">$HashCode</span> = <span class="n">0</span><span class="sc">;</span>
338 325 <span class="k">for</span> <span class="i">$Value</span> <span class="s">(</span><span class="k">unpack</span><span class="s">(</span><span class="q">&#39;C*&#39;</span><span class="cm">,</span> <span class="i">$String</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
339 326 <span class="i">$HashCode</span> += <span class="i">$Value</span><span class="sc">;</span>
340 327
341 328 <span class="i">$ShiftedHashCode</span> = <span class="i">$HashCode</span> &lt;&lt; <span class="n">10</span><span class="sc">;</span>
342 329 <span class="k">if</span> <span class="s">(</span><span class="i">$ShiftedHashCode</span> &gt; <span class="i">$MaxHashCodeMask</span><span class="s">)</span> <span class="s">{</span>
343 330 <span class="i">$ShiftedHashCode</span> = <span class="i">$ShiftedHashCode</span> &amp; <span class="i">$MaxHashCodeMask</span><span class="sc">;</span>
344 331 <span class="s">}</span>
345 332
346 333 <span class="i">$HashCode</span> += <span class="i">$ShiftedHashCode</span><span class="sc">;</span>
347 334 <span class="k">if</span> <span class="s">(</span><span class="i">$HashCode</span> &gt; <span class="i">$MaxHashCodeMask</span><span class="s">)</span> <span class="s">{</span>
348 335 <span class="i">$HashCode</span> = <span class="i">$HashCode</span> &amp; <span class="i">$MaxHashCodeMask</span><span class="sc">;</span>
349 336 <span class="s">}</span>
350 337
351 338 <span class="i">$HashCode</span> ^= <span class="s">(</span><span class="i">$HashCode</span> &gt;&gt; <span class="n">6</span><span class="s">)</span><span class="sc">;</span>
352 339 <span class="s">}</span>
353 340
354 341 <span class="i">$ShiftedHashCode</span> = <span class="i">$HashCode</span> &lt;&lt; <span class="n">3</span><span class="sc">;</span>
355 342 <span class="k">if</span> <span class="s">(</span><span class="i">$ShiftedHashCode</span> &gt; <span class="i">$MaxHashCodeMask</span><span class="s">)</span> <span class="s">{</span>
356 343 <span class="i">$ShiftedHashCode</span> = <span class="i">$ShiftedHashCode</span> &amp; <span class="i">$MaxHashCodeMask</span><span class="sc">;</span>
357 344 <span class="s">}</span>
358 345
359 346 <span class="i">$HashCode</span> += <span class="i">$ShiftedHashCode</span><span class="sc">;</span>
360 347 <span class="k">if</span> <span class="s">(</span><span class="i">$HashCode</span> &gt; <span class="i">$MaxHashCodeMask</span><span class="s">)</span> <span class="s">{</span>
361 348 <span class="i">$HashCode</span> = <span class="i">$HashCode</span> &amp; <span class="i">$MaxHashCodeMask</span><span class="sc">;</span>
362 349 <span class="s">}</span>
363 350 <span class="i">$HashCode</span> ^= <span class="s">(</span><span class="i">$HashCode</span> &gt;&gt; <span class="n">11</span><span class="s">)</span><span class="sc">;</span>
364 351
365 352 <span class="i">$ShiftedHashCode</span> = <span class="i">$HashCode</span> &lt;&lt; <span class="n">15</span><span class="sc">;</span>
366 353 <span class="k">if</span> <span class="s">(</span><span class="i">$ShiftedHashCode</span> &gt; <span class="i">$MaxHashCodeMask</span><span class="s">)</span> <span class="s">{</span>
367 354 <span class="i">$ShiftedHashCode</span> = <span class="i">$ShiftedHashCode</span> &amp; <span class="i">$MaxHashCodeMask</span><span class="sc">;</span>
368 355 <span class="s">}</span>
369 356
370 357 <span class="i">$HashCode</span> += <span class="i">$ShiftedHashCode</span><span class="sc">;</span>
371 358 <span class="k">if</span> <span class="s">(</span><span class="i">$HashCode</span> &gt; <span class="i">$MaxHashCodeMask</span><span class="s">)</span> <span class="s">{</span>
372 359 <span class="i">$HashCode</span> = <span class="i">$HashCode</span> &amp; <span class="i">$MaxHashCodeMask</span><span class="sc">;</span>
373 360 <span class="s">}</span>
374 361 <span class="k">return</span> <span class="i">$HashCode</span><span class="sc">;</span>
375 362 <span class="s">}</span>
376 363
377 364 <span class="c"># Check out the string: Is it defined and has a non zero length?</span>
378 <a name="IsEmpty-"></a> 365 <span class="k">sub </span><span class="m">IsEmpty</span> <span class="s">{</span>
379 366 <span class="k">my</span><span class="s">(</span><span class="i">$TheString</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
380 367 <span class="k">my</span><span class="s">(</span><span class="i">$Status</span><span class="s">)</span> = <span class="n">1</span><span class="sc">;</span>
381 368
382 369 <span class="i">$Status</span> = <span class="s">(</span><span class="k">defined</span><span class="s">(</span><span class="i">$TheString</span><span class="s">)</span> &amp;&amp; <span class="k">length</span><span class="s">(</span><span class="i">$TheString</span><span class="s">)</span><span class="s">)</span> ? <span class="n">0</span> <span class="co">:</span> <span class="n">1</span><span class="sc">;</span>
383 370
384 371 <span class="k">return</span> <span class="i">$Status</span><span class="sc">;</span>
385 372 <span class="s">}</span>
386 373
387 374 <span class="c"># Is first specified number power of second specified number...</span>
388 <a name="IsNumberPowerOfNumber-"></a> 375 <span class="k">sub </span><span class="m">IsNumberPowerOfNumber</span> <span class="s">{</span>
389 376 <span class="k">my</span><span class="s">(</span><span class="i">$FirstNum</span><span class="cm">,</span> <span class="i">$SecondNum</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
390 377 <span class="k">my</span><span class="s">(</span><span class="i">$PowerValue</span><span class="s">)</span><span class="sc">;</span>
391 378
392 379 <span class="i">$PowerValue</span> = <span class="k">log</span><span class="s">(</span><span class="i">$FirstNum</span><span class="s">)</span>/<span class="k">log</span><span class="s">(</span><span class="i">$SecondNum</span><span class="s">)</span><span class="sc">;</span>
393 380
394 381 <span class="k">return</span> <span class="i">IsInteger</span><span class="s">(</span><span class="i">$PowerValue</span><span class="s">)</span> ? <span class="n">1</span> <span class="co">:</span> <span class="n">0</span><span class="sc">;</span>
395 382 <span class="s">}</span>
396 383
397 384 <span class="c"># Check out the string: Is it an integer?</span>
398 <a name="IsInteger-"></a> 385 <span class="k">sub </span><span class="m">IsInteger</span> <span class="s">{</span>
399 386 <span class="k">my</span><span class="s">(</span><span class="i">$TheString</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
400 387 <span class="k">my</span><span class="s">(</span><span class="i">$Status</span><span class="s">)</span> = <span class="n">0</span><span class="sc">;</span>
401 388
402 389 <span class="k">if</span> <span class="s">(</span><span class="k">defined</span><span class="s">(</span><span class="i">$TheString</span><span class="s">)</span> &amp;&amp; <span class="k">length</span><span class="s">(</span><span class="i">$TheString</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
403 390 <span class="i">$TheString</span> = <span class="i">RemoveLeadingAndTrailingWhiteSpaces</span><span class="s">(</span><span class="i">$TheString</span><span class="s">)</span><span class="sc">;</span>
404 391 <span class="i">$TheString</span> =~ <span class="q">s/^[+-]//</span><span class="sc">;</span>
405 392 <span class="i">$Status</span> = <span class="s">(</span><span class="i">$TheString</span> =~ <span class="q">/[^0-9]/</span><span class="s">)</span> ? <span class="n">0</span> <span class="co">:</span> <span class="n">1</span><span class="sc">;</span>
406 393 <span class="s">}</span>
407 394 <span class="k">return</span> <span class="i">$Status</span><span class="sc">;</span>
408 395 <span class="s">}</span>
409 396
410 397 <span class="c"># Check out the string: Is it an integer with value &gt; 0?</span>
411 <a name="IsPositiveInteger-"></a> 398 <span class="k">sub </span><span class="m">IsPositiveInteger</span> <span class="s">{</span>
412 399 <span class="k">my</span><span class="s">(</span><span class="i">$TheString</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
413 400 <span class="k">my</span><span class="s">(</span><span class="i">$Status</span><span class="s">)</span> = <span class="n">0</span><span class="sc">;</span>
414 401
415 402 <span class="i">$Status</span> = <span class="i">IsInteger</span><span class="s">(</span><span class="i">$TheString</span><span class="s">)</span> ? <span class="s">(</span><span class="i">$TheString</span> &gt; <span class="n">0</span> ? <span class="n">1</span> <span class="co">:</span> <span class="n">0</span><span class="s">)</span> <span class="co">:</span> <span class="n">0</span><span class="sc">;</span>
416 403
417 404 <span class="k">return</span> <span class="i">$Status</span><span class="sc">;</span>
418 405 <span class="s">}</span>
419 406
420 407
421 408 <span class="c"># Check out the string: Is it a float?</span>
422 <a name="IsFloat-"></a> 409 <span class="k">sub </span><span class="m">IsFloat</span> <span class="s">{</span>
423 410 <span class="k">my</span><span class="s">(</span><span class="i">$TheString</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
424 411 <span class="k">my</span><span class="s">(</span><span class="i">$Status</span><span class="s">)</span> = <span class="n">0</span><span class="sc">;</span>
425 412
426 413 <span class="k">if</span> <span class="s">(</span><span class="k">defined</span><span class="s">(</span><span class="i">$TheString</span><span class="s">)</span> &amp;&amp; <span class="k">length</span><span class="s">(</span><span class="i">$TheString</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
427 414 <span class="i">$TheString</span> = <span class="i">RemoveLeadingAndTrailingWhiteSpaces</span><span class="s">(</span><span class="i">$TheString</span><span class="s">)</span><span class="sc">;</span>
428 415 <span class="i">$TheString</span> =~ <span class="q">s/^[+-]//</span><span class="sc">;</span>
429 416 <span class="i">$Status</span> = <span class="s">(</span><span class="i">$TheString</span> =~ <span class="q">/[^0-9.eE]/</span><span class="s">)</span> ? <span class="n">0</span> <span class="co">:</span> <span class="s">(</span><span class="s">(</span><span class="s">(</span><span class="k">length</span><span class="s">(</span><span class="i">$TheString</span><span class="s">)</span> == <span class="n">1</span><span class="s">)</span> &amp;&amp; <span class="s">(</span><span class="i">$TheString</span> =~ <span class="q">/[.eE]/</span><span class="s">)</span><span class="s">)</span> ? <span class="n">0</span> <span class="co">:</span> <span class="n">1</span><span class="s">)</span><span class="sc">;</span>
430 417 <span class="s">}</span>
431 418 <span class="k">return</span> <span class="i">$Status</span><span class="sc">;</span>
432 419 <span class="s">}</span>
433 420
434 421 <span class="c"># Check out the string: Is it defined and has a non zero length?</span>
435 <a name="IsNotEmpty-"></a> 422 <span class="k">sub </span><span class="m">IsNotEmpty</span> <span class="s">{</span>
436 423 <span class="k">my</span><span class="s">(</span><span class="i">$TheString</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
437 424 <span class="k">my</span><span class="s">(</span><span class="i">$Status</span><span class="s">)</span><span class="sc">;</span>
438 425
439 426 <span class="i">$Status</span> = <span class="i">IsEmpty</span><span class="s">(</span><span class="i">$TheString</span><span class="s">)</span> ? <span class="n">0</span> <span class="co">:</span> <span class="n">1</span><span class="sc">;</span>
440 427
441 428 <span class="k">return</span> <span class="i">$Status</span><span class="sc">;</span>
442 429 <span class="s">}</span>
443 430
444 431 <span class="c"># Check out the string: Does it only contain numerical data?</span>
445 <a name="IsNumerical-"></a> 432 <span class="k">sub </span><span class="m">IsNumerical</span> <span class="s">{</span>
446 433 <span class="k">my</span><span class="s">(</span><span class="i">$TheString</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
447 434 <span class="k">my</span><span class="s">(</span><span class="i">$Status</span><span class="s">)</span> = <span class="n">0</span><span class="sc">;</span>
448 435
449 436 <span class="k">if</span> <span class="s">(</span><span class="k">defined</span><span class="s">(</span><span class="i">$TheString</span><span class="s">)</span> &amp;&amp; <span class="k">length</span><span class="s">(</span><span class="i">$TheString</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
450 437 <span class="i">$TheString</span> = <span class="i">RemoveLeadingAndTrailingWhiteSpaces</span><span class="s">(</span><span class="i">$TheString</span><span class="s">)</span><span class="sc">;</span>
451 438 <span class="i">$TheString</span> =~ <span class="q">s/^[+-]//</span><span class="sc">;</span>
452 439 <span class="i">$Status</span> = <span class="s">(</span><span class="i">$TheString</span> =~ <span class="q">/[^0-9.eE]/</span><span class="s">)</span> ? <span class="n">0</span> <span class="co">:</span> <span class="s">(</span><span class="s">(</span><span class="s">(</span><span class="k">length</span><span class="s">(</span><span class="i">$TheString</span><span class="s">)</span> == <span class="n">1</span><span class="s">)</span> &amp;&amp; <span class="s">(</span><span class="i">$TheString</span> =~ <span class="q">/[.eE]/</span><span class="s">)</span><span class="s">)</span> ? <span class="n">0</span> <span class="co">:</span> <span class="n">1</span><span class="s">)</span><span class="sc">;</span>
453 440 <span class="s">}</span>
454 441 <span class="k">return</span> <span class="i">$Status</span><span class="sc">;</span>
455 442 <span class="s">}</span>
456 443
457 444 <span class="c"># Join different words using delimiter and quote parameters. And return as</span>
458 445 <span class="c"># a string value.</span>
459 <a name="JoinWords-"></a> 446 <span class="k">sub </span><span class="m">JoinWords</span> <span class="s">{</span>
460 447 <span class="k">my</span><span class="s">(</span><span class="i">$Words</span><span class="cm">,</span> <span class="i">$Delim</span><span class="cm">,</span> <span class="i">$Quote</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
461 448
462 449 <span class="k">if</span> <span class="s">(</span>!<span class="i">@$Words</span><span class="s">)</span> <span class="s">{</span>
463 450 <span class="k">return</span> <span class="q">&quot;&quot;</span><span class="sc">;</span>
464 451 <span class="s">}</span>
465 452
466 453 <span class="i">$Quote</span> = <span class="i">$Quote</span> ? <span class="q">&quot;\&quot;&quot;</span> <span class="co">:</span> <span class="q">&quot;&quot;</span><span class="sc">;</span>
467 454 <span class="k">my</span><span class="s">(</span><span class="i">@NewWords</span><span class="s">)</span> = <span class="k">map</span> <span class="s">{</span> <span class="s">(</span><span class="k">defined</span><span class="s">(</span><span class="i">$_</span><span class="s">)</span> &amp;&amp; <span class="k">length</span><span class="s">(</span><span class="i">$_</span><span class="s">)</span><span class="s">)</span> ? <span class="q">&quot;${Quote}$_${Quote}&quot;</span> <span class="co">:</span> <span class="q">&quot;${Quote}${Quote}&quot;</span> <span class="s">}</span> <span class="i">@$Words</span><span class="sc">;</span>
468 455
469 456 <span class="k">return</span> <span class="k">join</span> <span class="i">$Delim</span><span class="cm">,</span> <span class="i">@NewWords</span><span class="sc">;</span>
470 457 <span class="s">}</span>
471 458
472 459 <span class="c"># Split string value containing quoted or unquoted words in to an array containing</span>
473 460 <span class="c"># unquoted words.</span>
474 461 <span class="c">#</span>
475 462 <span class="c"># This function is used to split strings generated by JoinWords.</span>
476 463 <span class="c">#</span>
477 <a name="SplitWords-"></a> 464 <span class="k">sub </span><span class="m">SplitWords</span> <span class="s">{</span>
478 465 <span class="k">my</span><span class="s">(</span><span class="i">$Line</span><span class="cm">,</span> <span class="i">$Delim</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
479 466
480 467 <span class="k">if</span> <span class="s">(</span>!<span class="i">$Line</span><span class="s">)</span> <span class="s">{</span>
481 468 <span class="k">return</span> <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
482 469 <span class="s">}</span>
483 470
484 471 <span class="c"># Is it a quoted string?</span>
485 472 <span class="k">if</span> <span class="s">(</span><span class="i">$Line</span> =~ <span class="q">/^\&quot;/</span><span class="s">)</span> <span class="s">{</span>
486 473 <span class="c"># Take out first and last quote...</span>
487 474 <span class="i">$Line</span> =~ <span class="q">s/^\&quot;//</span><span class="sc">;</span> <span class="i">$Line</span> =~ <span class="q">s/\&quot;$//</span><span class="sc">;</span>
488 475
489 476 <span class="i">$Delim</span> = <span class="q">&quot;\&quot;$Delim\&quot;&quot;</span><span class="sc">;</span>
490 477 <span class="s">}</span>
491 478 <span class="k">return</span> <span class="k">split</span> <span class="q">/$Delim/</span><span class="cm">,</span> <span class="i">$Line</span><span class="sc">;</span>
492 479 <span class="s">}</span>
493 480
494 481 <span class="c"># Based on quote parameter, figure out what to do</span>
495 <a name="QuoteAWord-"></a> 482 <span class="k">sub </span><span class="m">QuoteAWord</span> <span class="s">{</span>
496 483 <span class="k">my</span><span class="s">(</span><span class="i">$Word</span><span class="cm">,</span> <span class="i">$Quote</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
497 484 <span class="k">my</span><span class="s">(</span><span class="i">$QuotedWord</span><span class="s">)</span><span class="sc">;</span>
498 485
499 486 <span class="i">$QuotedWord</span> = <span class="q">&quot;&quot;</span><span class="sc">;</span>
500 487 <span class="k">if</span> <span class="s">(</span><span class="i">$Word</span><span class="s">)</span> <span class="s">{</span>
501 488 <span class="i">$QuotedWord</span> = <span class="i">$Word</span><span class="sc">;</span>
502 489 <span class="s">}</span>
503 490 <span class="k">if</span> <span class="s">(</span><span class="i">$Quote</span><span class="s">)</span> <span class="s">{</span>
504 491 <span class="i">$QuotedWord</span> = <span class="q">&quot;\&quot;$QuotedWord\&quot;&quot;</span><span class="sc">;</span>
505 492 <span class="s">}</span>
506 493 <span class="k">return</span> <span class="s">(</span><span class="i">$QuotedWord</span><span class="s">)</span><span class="sc">;</span>
507 494 <span class="s">}</span>
508 495
509 496 <span class="c"># Remove leading white space characters from the string...</span>
510 <a name="RemoveLeadingWhiteSpaces-"></a> 497 <span class="k">sub </span><span class="m">RemoveLeadingWhiteSpaces</span> <span class="s">{</span>
511 498 <span class="k">my</span><span class="s">(</span><span class="i">$InString</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
512 499 <span class="k">my</span><span class="s">(</span><span class="i">$OutString</span><span class="cm">,</span> <span class="i">$TrailingString</span><span class="cm">,</span> <span class="i">$LeadingWhiteSpace</span><span class="s">)</span><span class="sc">;</span>
513 500
514 501 <span class="i">$OutString</span> = <span class="i">$InString</span><span class="sc">;</span>
515 502 <span class="k">if</span> <span class="s">(</span><span class="k">length</span><span class="s">(</span><span class="i">$InString</span><span class="s">)</span> &amp;&amp; <span class="i">ContainsWhiteSpaces</span><span class="s">(</span><span class="i">$InString</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
516 503 <span class="i">$OutString</span> =~ <span class="q">s/^([ \t\r\n\f]*)(.*?)$/$2/</span><span class="sc">;</span>
517 504 <span class="s">}</span>
518 505 <span class="k">return</span> <span class="i">$OutString</span><span class="sc">;</span>
519 506 <span class="s">}</span>
520 507
521 508 <span class="c"># Remove Trailing white space characters from the string...</span>
522 <a name="RemoveTrailingWhiteSpaces-"></a> 509 <span class="k">sub </span><span class="m">RemoveTrailingWhiteSpaces</span> <span class="s">{</span>
523 510 <span class="k">my</span><span class="s">(</span><span class="i">$InString</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
524 511 <span class="k">my</span><span class="s">(</span><span class="i">$OutString</span><span class="cm">,</span> <span class="i">$LeadingString</span><span class="cm">,</span> <span class="i">$TrailingWhiteSpace</span><span class="s">)</span><span class="sc">;</span>
525 512
526 513 <span class="i">$OutString</span> = <span class="i">$InString</span><span class="sc">;</span>
527 514 <span class="k">if</span> <span class="s">(</span><span class="k">length</span><span class="s">(</span><span class="i">$InString</span><span class="s">)</span> &amp;&amp; <span class="i">ContainsWhiteSpaces</span><span class="s">(</span><span class="i">$InString</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
528 515 <span class="i">$OutString</span> =~ <span class="q">s/^(.*?)([ \t\r\n\f]*)$/$1/</span><span class="sc">;</span>
529 516 <span class="s">}</span>
530 517 <span class="k">return</span> <span class="i">$OutString</span><span class="sc">;</span>
531 518 <span class="s">}</span>
532 519
533 520 <span class="c"># Remove both leading and trailing white space characters from the string...</span>
534 <a name="RemoveLeadingAndTrailingWhiteSpaces-"></a> 521 <span class="k">sub </span><span class="m">RemoveLeadingAndTrailingWhiteSpaces</span> <span class="s">{</span>
535 522 <span class="k">my</span><span class="s">(</span><span class="i">$InString</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
536 523 <span class="k">my</span><span class="s">(</span><span class="i">$OutString</span><span class="s">)</span><span class="sc">;</span>
537 524
538 525 <span class="i">$OutString</span> = <span class="i">$InString</span><span class="sc">;</span>
539 526 <span class="k">if</span> <span class="s">(</span><span class="k">length</span><span class="s">(</span><span class="i">$InString</span><span class="s">)</span> &amp;&amp; <span class="i">ContainsWhiteSpaces</span><span class="s">(</span><span class="i">$InString</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
540 527 <span class="i">$OutString</span> =~ <span class="q">s/^([ \t\r\n\f]*)(.*?)([ \t\r\n\f]*)$/$2/</span><span class="sc">;</span>
541 528 <span class="s">}</span>
542 529 <span class="k">return</span> <span class="i">$OutString</span><span class="sc">;</span>
543 530 <span class="s">}</span>
544 531
545 532 <span class="c"># Wrap text string...</span>
546 <a name="WrapText-"></a> 533 <span class="k">sub </span><span class="m">WrapText</span> <span class="s">{</span>
547 534 <span class="k">my</span><span class="s">(</span><span class="i">$InString</span><span class="cm">,</span> <span class="i">$WrapLength</span><span class="cm">,</span> <span class="i">$WrapDelimiter</span><span class="s">)</span><span class="sc">;</span>
548 535 <span class="k">my</span><span class="s">(</span><span class="i">$OutString</span><span class="s">)</span><span class="sc">;</span>
549 536
550 537 <span class="i">$WrapLength</span> = <span class="n">40</span><span class="sc">;</span>
551 538 <span class="i">$WrapDelimiter</span> = <span class="q">&quot;\n&quot;</span><span class="sc">;</span>
552 539 <span class="k">if</span> <span class="s">(</span><span class="i">@_</span> == <span class="n">3</span><span class="s">)</span> <span class="s">{</span>
553 540 <span class="s">(</span><span class="i">$InString</span><span class="cm">,</span> <span class="i">$WrapLength</span><span class="cm">,</span> <span class="i">$WrapDelimiter</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
554 541 <span class="s">}</span>
555 542 <span class="k">elsif</span> <span class="s">(</span><span class="i">@_</span> == <span class="n">2</span><span class="s">)</span> <span class="s">{</span>
556 543 <span class="s">(</span><span class="i">$InString</span><span class="cm">,</span> <span class="i">$WrapLength</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
557 544 <span class="s">}</span>
558 545 <span class="k">else</span> <span class="s">{</span>
559 546 <span class="s">(</span><span class="i">$InString</span><span class="cm">,</span> <span class="i">$WrapLength</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
560 547 <span class="s">}</span>
561 548 <span class="i">$OutString</span> = <span class="i">$InString</span><span class="sc">;</span>
562 549 <span class="k">if</span> <span class="s">(</span><span class="i">$InString</span> &amp;&amp; <span class="s">(</span><span class="k">length</span><span class="s">(</span><span class="i">$InString</span><span class="s">)</span> &gt; <span class="i">$WrapLength</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
563 550 <span class="i">$OutString</span> = <span class="q">&quot;&quot;</span><span class="sc">;</span>
564 551 <span class="k">my</span><span class="s">(</span><span class="i">$Index</span><span class="cm">,</span> <span class="i">$Length</span><span class="cm">,</span> <span class="i">$FirstPiece</span><span class="cm">,</span> <span class="i">$StringPiece</span><span class="s">)</span><span class="sc">;</span>
565 552 <span class="i">$Index</span> = <span class="n">0</span><span class="sc">;</span> <span class="i">$Length</span> = <span class="k">length</span><span class="s">(</span><span class="i">$InString</span><span class="s">)</span><span class="sc">;</span>
566 553 <span class="i">$FirstPiece</span> = <span class="n">1</span><span class="sc">;</span>
567 554 <span class="k">for</span> <span class="s">(</span><span class="i">$Index</span> = <span class="n">0</span><span class="sc">;</span> <span class="i">$Index</span> &lt; <span class="i">$Length</span><span class="sc">;</span> <span class="i">$Index</span> += <span class="i">$WrapLength</span><span class="s">)</span> <span class="s">{</span>
568 555 <span class="k">if</span> <span class="s">(</span><span class="s">(</span><span class="i">$Index</span> + <span class="i">$WrapLength</span><span class="s">)</span> &lt; <span class="i">$Length</span><span class="s">)</span> <span class="s">{</span>
569 556 <span class="i">$StringPiece</span> = <span class="k">substr</span><span class="s">(</span><span class="i">$InString</span><span class="cm">,</span> <span class="i">$Index</span><span class="cm">,</span> <span class="i">$WrapLength</span><span class="s">)</span><span class="sc">;</span>
570 557 <span class="s">}</span>
571 558 <span class="k">else</span> <span class="s">{</span>
572 559 <span class="c"># Last piece of the string...</span>
573 560 <span class="i">$StringPiece</span> = <span class="k">substr</span><span class="s">(</span><span class="i">$InString</span><span class="cm">,</span> <span class="i">$Index</span><span class="cm">,</span> <span class="i">$WrapLength</span><span class="s">)</span><span class="sc">;</span>
574 561 <span class="s">}</span>
575 562 <span class="k">if</span> <span class="s">(</span><span class="i">$FirstPiece</span><span class="s">)</span> <span class="s">{</span>
576 563 <span class="i">$FirstPiece</span> = <span class="n">0</span><span class="sc">;</span>
577 564 <span class="i">$OutString</span> = <span class="i">$StringPiece</span><span class="sc">;</span>
578 565 <span class="s">}</span>
579 566 <span class="k">else</span> <span class="s">{</span>
580 567 <span class="i">$OutString</span> .= <span class="q">&quot;${WrapDelimiter}${StringPiece}&quot;</span><span class="sc">;</span>
581 568 <span class="s">}</span>
582 569 <span class="s">}</span>
583 570 <span class="s">}</span>
584 571 <span class="k">return</span> <span class="i">$OutString</span><span class="sc">;</span>
585 572 <span class="s">}</span>
586 573
587 <a name="EOF-"></a></pre>
588 <p>&nbsp;</p>
589 <br />
590 <center>
591 <img src="../../../images/h2o2.png">
592 </center>
593 </body>
594 </html>