comparison mayachemtools/docs/modules/html/code/PackageInfo.html @ 0:73ae111cf86f draft

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14 <a name="package-PackageInfo-"></a> 1 <span class="k">package </span><span class="i">PackageInfo</span><span class="sc">;</span>
15 2 <span class="c">#</span>
16 3 <span class="c"># $RCSfile: PackageInfo.pm,v $</span>
17 4 <span class="c"># $Date: 2015/02/28 20:47:18 $</span>
18 5 <span class="c"># $Revision: 1.9 $</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 <span class="k">use</span> <span class="w">Carp</span><span class="sc">;</span>
45 32 <span class="k">use</span> <span class="w">Text::ParseWords</span><span class="sc">;</span>
46 33 <span class="k">use</span> <span class="w">TextUtil</span><span class="sc">;</span>
47 34 <span class="k">use</span> <span class="w">FileUtil</span><span class="sc">;</span>
48 35
49 36 <span class="k">use</span> <span class="w">vars</span> <span class="q">qw($AUTOLOAD @ISA @EXPORT @EXPORT_OK %EXPORT_TAGS)</span><span class="sc">;</span>
50 37
51 38 <span class="i">@ISA</span> = <span class="q">qw(Exporter)</span><span class="sc">;</span>
52 39 <span class="i">@EXPORT</span> = <span class="q">qw(GetPackageKeyValue SetPackageKeyValue IsPackageKeyNameAvailable)</span><span class="sc">;</span>
53 40 <span class="i">@EXPORT_OK</span> = <span class="q">qw()</span><span class="sc">;</span>
54 41 <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>
55 42
56 43 <span class="c">#</span>
57 44 <span class="c"># Load package data...</span>
58 45 <span class="c">#</span>
59 46 <span class="k">my</span><span class="s">(</span><span class="i">%PackageDataMap</span><span class="s">)</span><span class="sc">;</span>
60 47 <span class="i">_LoadPackageData</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
61 48
62 49 <span class="c"># Return value of a specific key...</span>
63 50 <span class="c">#</span>
64 <a name="GetPackageKeyValue-"></a> 51 <span class="k">sub </span><span class="m">GetPackageKeyValue</span> <span class="s">{</span>
65 52 <span class="k">my</span><span class="s">(</span><span class="i">$KeyName</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
66 53
67 54 <span class="k">return</span> <span class="k">exists</span> <span class="i">$PackageDataMap</span>{<span class="i">$KeyName</span>} ? <span class="i">$PackageDataMap</span>{<span class="i">$KeyName</span>} <span class="co">:</span> <span class="q">&#39;Not Available&#39;</span><span class="sc">;</span>
68 55 <span class="s">}</span>
69 56
70 57 <span class="c"># Set value of a specific key...</span>
71 58 <span class="c">#</span>
72 <a name="SetPackageKeyValue-"></a> 59 <span class="k">sub </span><span class="m">SetPackageKeyValue</span> <span class="s">{</span>
73 60 <span class="k">my</span><span class="s">(</span><span class="i">$KeyName</span><span class="cm">,</span> <span class="i">$KeyValue</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
74 61
75 62 <span class="i">$PackageDataMap</span>{<span class="i">$KeyName</span>} = <span class="i">$KeyValue</span><span class="sc">;</span>
76 63 <span class="s">}</span>
77 64
78 65 <span class="c"># Check availability of a package key name...</span>
79 66 <span class="c">#</span>
80 <a name="IsPackageKeyNameAvailable-"></a> 67 <span class="k">sub </span><span class="m">IsPackageKeyNameAvailable</span> <span class="s">{</span>
81 68 <span class="k">my</span><span class="s">(</span><span class="i">$KeyName</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
82 69
83 70 <span class="k">return</span> <span class="k">exists</span> <span class="i">$PackageDataMap</span>{<span class="i">$KeyName</span>} ? <span class="n">1</span> <span class="co">:</span> <span class="n">0</span><span class="sc">;</span>
84 71 <span class="s">}</span>
85 72
86 73 <span class="c"># Implements Set&lt;KeyName&gt; and Get&lt;KeyName&gt; functions...</span>
87 74 <span class="c">#</span>
88 <a name="AUTOLOAD-"></a> 75 <span class="k">sub </span><span class="m">AUTOLOAD</span> <span class="s">{</span>
89 76 <span class="k">my</span><span class="s">(</span><span class="i">$KeyValue</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
90 77 <span class="k">my</span><span class="s">(</span><span class="i">$PackageName</span><span class="cm">,</span> <span class="i">$FunctionName</span><span class="cm">,</span> <span class="i">$KeyName</span><span class="s">)</span><span class="sc">;</span>
91 78
92 79 <span class="s">(</span><span class="i">$PackageName</span><span class="cm">,</span> <span class="i">$FunctionName</span><span class="s">)</span> = <span class="i">$AUTOLOAD</span> =~ <span class="q">/^(.*?)::(.*?)$/</span><span class="sc">;</span>
93 80
94 81 <span class="k">if</span> <span class="s">(</span>!<span class="s">(</span><span class="i">$FunctionName</span> =~ <span class="q">/^Get/</span> || <span class="i">$FunctionName</span> =~ <span class="q">/^Set/</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
95 82 <span class="w">croak</span> <span class="q">&quot;Error: Can&#39;t locate function \&quot;$FunctionName\&quot; via package \&quot;$PackageName\&quot;: This function is not automatically implemented by AUTOLOAD: Only Get&lt;KeyName&gt; and Set&lt;KeyName&gt; functions are implemented via AUTOLOAD...&quot;</span><span class="sc">;</span>
96 83 <span class="s">}</span>
97 84
98 85 <span class="s">(</span><span class="i">$KeyName</span><span class="s">)</span> = <span class="i">$FunctionName</span> =~ <span class="q">/^[SG]et(.*?)$/</span><span class="sc">;</span>
99 86
100 87 <span class="k">if</span> <span class="s">(</span><span class="i">$FunctionName</span> =~ <span class="q">/^Set/</span> &amp;&amp; !<span class="k">defined</span><span class="s">(</span><span class="i">$KeyValue</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
101 88 <span class="w">carp</span> <span class="q">&quot;Warning: ${PackageName}::${FunctionName}: Didn&#39;t set value for key $KeyName: Key value for must be specified...\n&quot;</span><span class="sc">;</span>
102 89 <span class="k">return</span> <span class="k">undef</span><span class="sc">;</span>
103 90 <span class="s">}</span>
104 91
105 92 <span class="k">if</span> <span class="s">(</span><span class="i">$FunctionName</span> =~ <span class="q">/^Get/</span><span class="s">)</span> <span class="s">{</span>
106 93 <span class="k">return</span> <span class="i">GetPackageKeyValue</span><span class="s">(</span><span class="i">$KeyName</span><span class="s">)</span><span class="sc">;</span>
107 94 <span class="s">}</span>
108 95 <span class="k">elsif</span> <span class="s">(</span><span class="i">$FunctionName</span> =~ <span class="q">/^Set/</span><span class="s">)</span> <span class="s">{</span>
109 96 <span class="k">return</span> <span class="i">SetPackageKeyValue</span><span class="s">(</span><span class="i">$KeyName</span><span class="cm">,</span> <span class="i">$KeyValue</span><span class="s">)</span><span class="sc">;</span>
110 97 <span class="s">}</span>
111 98
112 99 <span class="s">}</span>
113 100
114 101 <span class="c"># Load PackageInfo.csv files from &lt;MayaChemTools&gt;/lib directory...</span>
115 102 <span class="c">#</span>
116 <a name="_LoadPackageData-"></a> 103 <span class="k">sub </span><span class="m">_LoadPackageData</span> <span class="s">{</span>
117 104 <span class="k">my</span><span class="s">(</span><span class="i">$PackageDataFile</span><span class="cm">,</span> <span class="i">$MayaChemToolsLibDir</span><span class="cm">,</span> <span class="i">$Key</span><span class="cm">,</span> <span class="i">$Value</span><span class="cm">,</span> <span class="i">$Line</span><span class="cm">,</span> <span class="i">$InDelim</span><span class="cm">,</span> <span class="i">@LineWords</span><span class="s">)</span><span class="sc">;</span>
118 105
119 106 <span class="i">$MayaChemToolsLibDir</span> = <span class="i">GetMayaChemToolsLibDirName</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
120 107 <span class="i">$PackageDataFile</span> = <span class="q">&quot;$MayaChemToolsLibDir&quot;</span> . <span class="q">&quot;/data/PackageInfo.csv&quot;</span><span class="sc">;</span>
121 108
122 109 <span class="k">if</span> <span class="s">(</span>! <span class="k">-e</span> <span class="q">&quot;$PackageDataFile&quot;</span><span class="s">)</span> <span class="s">{</span>
123 110 <span class="w">croak</span> <span class="q">&quot;Error: MayaChemTools package file, $PackageDataFile, is missing: Possible installation problems...&quot;</span><span class="sc">;</span>
124 111 <span class="s">}</span>
125 112
126 113 <span class="c">#</span>
127 114 <span class="c"># Format:</span>
128 115 <span class="c">#</span>
129 116 <span class="c"># &quot;Key&quot;,&quot;Value&quot;</span>
130 117 <span class="c"># &quot;PackageName&quot;,&quot;MayaChemTools&quot;</span>
131 118 <span class="c"># ... ...</span>
132 119 <span class="c">#</span>
133 120
134 121 <span class="i">%PackageDataMap</span> = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
135 122 <span class="i">$InDelim</span> = <span class="q">&quot;\,&quot;</span><span class="sc">;</span>
136 123
137 124 <span class="k">open</span> <span class="w">PACKAGEDATAFILE</span><span class="cm">,</span> <span class="q">&quot;$PackageDataFile&quot;</span> <span class="k">or</span> <span class="w">croak</span> <span class="q">&quot;Couldn&#39;t open $PackageDataFile: $! ...&quot;</span><span class="sc">;</span>
138 125
139 126 <span class="c"># Skip lines up to column labels...</span>
140 127 <span class="j">LINE:</span> <span class="k">while</span> <span class="s">(</span><span class="i">$Line</span> = <span class="i">GetTextLine</span><span class="s">(</span>\<span class="i">*PACKAGEDATAFILE</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
141 128 <span class="k">if</span> <span class="s">(</span><span class="i">$Line</span> !~ <span class="q">/^#/</span><span class="s">)</span> <span class="s">{</span>
142 129 <span class="k">last</span> <span class="j">LINE</span><span class="sc">;</span>
143 130 <span class="s">}</span>
144 131 <span class="s">}</span>
145 132
146 133 <span class="c"># Process key/value pairs...</span>
147 134 <span class="j">LINE:</span> <span class="k">while</span> <span class="s">(</span><span class="i">$Line</span> = <span class="i">GetTextLine</span><span class="s">(</span>\<span class="i">*PACKAGEDATAFILE</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
148 135 <span class="k">if</span> <span class="s">(</span><span class="i">$Line</span> =~ <span class="q">/^#/</span><span class="s">)</span> <span class="s">{</span>
149 136 <span class="k">next</span> <span class="j">LINE</span><span class="sc">;</span>
150 137 <span class="s">}</span>
151 138 <span class="i">@LineWords</span> = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
152 139 <span class="i">@LineWords</span> = <span class="i">quotewords</span><span class="s">(</span><span class="i">$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>
153 140 <span class="k">if</span> <span class="s">(</span><span class="i">@LineWords</span> != <span class="n">2</span><span class="s">)</span> <span class="s">{</span>
154 141 <span class="w">croak</span> <span class="q">&quot;Error: The number of data fields, @LineWords, in $PackageDataFile must be 2.\nLine: $Line...&quot;</span><span class="sc">;</span>
155 142 <span class="s">}</span>
156 143 <span class="s">(</span><span class="i">$Key</span><span class="cm">,</span> <span class="i">$Value</span><span class="s">)</span> = <span class="i">@LineWords</span><span class="sc">;</span>
157 144
158 145 <span class="k">if</span> <span class="s">(</span><span class="k">exists</span> <span class="i">$PackageDataMap</span>{<span class="i">$Key</span>}<span class="s">)</span> <span class="s">{</span>
159 146 <span class="w">carp</span> <span class="q">&quot;Warning: Multiple entries for key, $Key, in $PackageDataFile. Ignoring current line.\nLine: $Line...&quot;</span><span class="sc">;</span>
160 147 <span class="k">next</span> <span class="j">LINE</span><span class="sc">;</span>
161 148 <span class="s">}</span>
162 149
163 150 <span class="i">$PackageDataMap</span>{<span class="i">$Key</span>} = <span class="i">$Value</span><span class="sc">;</span>
164 151 <span class="s">}</span>
165 152 <span class="k">close</span> <span class="w">PACKAGEDATAFILE</span><span class="sc">;</span>
166 153 <span class="s">}</span>
167 154
168 <a name="EOF-"></a></pre>
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