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| author | deepakjadmin |
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| date | Wed, 20 Jan 2016 09:23:18 -0500 |
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| -1:000000000000 | 0:4816e4a8ae95 |
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| 1 <html> | |
| 2 <head> | |
| 3 <title>MayaChemTools:Code:PseudoHeap.pm</title> | |
| 4 <meta http-equiv="content-type" content="text/html;charset=utf-8"> | |
| 5 <link rel="stylesheet" type="text/css" href="../../../css/MayaChemToolsCode.css"> | |
| 6 </head> | |
| 7 <body leftmargin="20" rightmargin="20" topmargin="10" bottommargin="10"> | |
| 8 <br/> | |
| 9 <center> | |
| 10 <a href="http://www.mayachemtools.org" title="MayaChemTools Home"><img src="../../../images/MayaChemToolsLogo.gif" border="0" alt="MayaChemTools"></a> | |
| 11 </center> | |
| 12 <br/> | |
| 13 <pre> | |
| 14 <a name="package-PseudoHeap-"></a> 1 <span class="k">package </span><span class="i">PseudoHeap</span><span class="sc">;</span> | |
| 15 2 <span class="c">#</span> | |
| 16 3 <span class="c"># $RCSfile: PseudoHeap.pm,v $</span> | |
| 17 4 <span class="c"># $Date: 2015/02/28 20:47:18 $</span> | |
| 18 5 <span class="c"># $Revision: 1.10 $</span> | |
| 19 6 <span class="c">#</span> | |
| 20 7 <span class="c"># Author: Manish Sud <msud@san.rr.com></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 <http://www.gnu.org/licenses/> 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">Carp</span><span class="sc">;</span> | |
| 44 31 <span class="k">use</span> <span class="w">Exporter</span><span class="sc">;</span> | |
| 45 32 <span class="k">use</span> <span class="w">TextUtil</span> <span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 46 33 | |
| 47 34 <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> | |
| 48 35 | |
| 49 36 <span class="i">@ISA</span> = <span class="q">qw(Exporter)</span><span class="sc">;</span> | |
| 50 37 <span class="i">@EXPORT</span> = <span class="q">qw()</span><span class="sc">;</span> | |
| 51 38 <span class="i">@EXPORT_OK</span> = <span class="q">qw()</span><span class="sc">;</span> | |
| 52 39 | |
| 53 40 <span class="i">%EXPORT_TAGS</span> = <span class="s">(</span> | |
| 54 41 <span class="w">all</span> <span class="cm">=></span> <span class="s">[</span><span class="i">@EXPORT</span><span class="cm">,</span> <span class="i">@EXPORT_OK</span><span class="s">]</span> | |
| 55 42 <span class="s">)</span><span class="sc">;</span> | |
| 56 43 | |
| 57 44 <span class="c"># Setup class variables...</span> | |
| 58 45 <span class="k">my</span><span class="s">(</span><span class="i">$ClassName</span><span class="s">)</span><span class="sc">;</span> | |
| 59 46 <span class="i">_InitializeClass</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 60 47 | |
| 61 48 <span class="k">use</span> <span class="w">overload</span> <span class="q">'""'</span> <span class="cm">=></span> <span class="q">'StringifyPseudoHeap'</span><span class="sc">;</span> | |
| 62 49 | |
| 63 50 <span class="c"># PseudoHeap is designed to support tracking of a specific number of largest or smallest key/value</span> | |
| 64 51 <span class="c"># pairs with numeric or alphanumeric keys along with corresponding scalar or reference values.</span> | |
| 65 52 <span class="c">#</span> | |
| 66 53 <span class="c"># Although PseudoHeap is similar to a heap, it lacks number of key properties of a traditional heap data</span> | |
| 67 54 <span class="c"># structure: no concept of root, parent and child nodes; no ordering of keys in any particular order; no</span> | |
| 68 55 <span class="c"># specific localtion greatest or smallest key.</span> | |
| 69 56 <span class="c">#</span> | |
| 70 57 <span class="c"># The keys are simply stored in a hash with each key poining to an array containing specified values.</span> | |
| 71 58 <span class="c"># The min/max keys are updated during addition and deletion of key/value pairs; these can be retrieved</span> | |
| 72 59 <span class="c"># by accessing corresponding hash.</span> | |
| 73 60 <span class="c">#</span> | |
| 74 61 <span class="c"># Addition and deletion of key/value is also straightforward using hashes. However, min/max keys</span> | |
| 75 62 <span class="c"># need to be identified which is done using Perl sort on the keys.</span> | |
| 76 63 <span class="c">#</span> | |
| 77 64 <span class="c">#</span> | |
| 78 65 <span class="c"># Class constructor...</span> | |
| 79 66 <span class="c">#</span> | |
| 80 <a name="new-"></a> 67 <span class="k">sub </span><span class="m">new</span> <span class="s">{</span> | |
| 81 68 <span class="k">my</span><span class="s">(</span><span class="i">$Class</span><span class="cm">,</span> <span class="i">%NamesAndValues</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 82 69 | |
| 83 70 <span class="c"># Initialize object...</span> | |
| 84 71 <span class="k">my</span> <span class="i">$This</span> = <span class="s">{</span><span class="s">}</span><span class="sc">;</span> | |
| 85 72 <span class="k">bless</span> <span class="i">$This</span><span class="cm">,</span> <span class="k">ref</span><span class="s">(</span><span class="i">$Class</span><span class="s">)</span> || <span class="i">$Class</span><span class="sc">;</span> | |
| 86 73 <span class="i">$This</span><span class="i">->_InitializePseudoHeap</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 87 74 | |
| 88 75 <span class="i">$This</span><span class="i">->_InitializePseudoHeapProperties</span><span class="s">(</span><span class="i">%NamesAndValues</span><span class="s">)</span><span class="sc">;</span> | |
| 89 76 | |
| 90 77 <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | |
| 91 78 <span class="s">}</span> | |
| 92 79 | |
| 93 80 <span class="c"># Initialize object data...</span> | |
| 94 81 <span class="c">#</span> | |
| 95 <a name="_InitializePseudoHeap-"></a> 82 <span class="k">sub </span><span class="m">_InitializePseudoHeap</span> <span class="s">{</span> | |
| 96 83 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 97 84 | |
| 98 85 <span class="c"># Type of pseudo heap:</span> | |
| 99 86 <span class="c">#</span> | |
| 100 87 <span class="c"># KeepTopN - Keep track of a specified number largest of key/value pairs</span> | |
| 101 88 <span class="c"># KeepBottomN - Keep track of a specified number smallest of key/value pairs</span> | |
| 102 89 <span class="c">#</span> | |
| 103 90 <span class="i">$This</span>->{<span class="w">Type</span>} = <span class="k">undef</span><span class="sc">;</span> | |
| 104 91 | |
| 105 92 <span class="c"># Type of keys: Numeric or Alphanumeric</span> | |
| 106 93 <span class="c">#</span> | |
| 107 94 <span class="c"># The value of KeyType determines comparison function used to sort and</span> | |
| 108 95 <span class="c"># and compare keys for a specific heap type as shown below:</span> | |
| 109 96 <span class="c">#</span> | |
| 110 97 <span class="c"># Type KeyType Comp Sorting</span> | |
| 111 98 <span class="c">#</span> | |
| 112 99 <span class="c"># KeepTopN Numeric < Descending</span> | |
| 113 100 <span class="c"># KeepTopN AlphaNumeric lt Descending</span> | |
| 114 101 <span class="c"># KeepBottomN Numeric > Ascending</span> | |
| 115 102 <span class="c"># KeepBottomN AlphaNumeric gt Ascending</span> | |
| 116 103 <span class="c">#</span> | |
| 117 104 <span class="i">$This</span>->{<span class="w">KeyType</span>} = <span class="k">undef</span><span class="sc">;</span> | |
| 118 105 | |
| 119 106 <span class="c"># Maximum number of largest or smallest key/value pairs to keep...</span> | |
| 120 107 <span class="c">#</span> | |
| 121 108 <span class="i">$This</span>->{<span class="w">MaxSize</span>} = <span class="n">10</span><span class="sc">;</span> | |
| 122 109 | |
| 123 110 <span class="c"># Keys and values associated with each key as an array...</span> | |
| 124 111 <span class="i">%</span>{<span class="i">$This</span>->{<span class="w">Keys</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 125 112 | |
| 126 113 <span class="c"># Min and max keys...</span> | |
| 127 114 <span class="i">$This</span>->{<span class="w">MinKey</span>} = <span class="k">undef</span><span class="sc">;</span> | |
| 128 115 <span class="i">$This</span>->{<span class="w">MaxKey</span>} = <span class="k">undef</span><span class="sc">;</span> | |
| 129 116 | |
| 130 117 <span class="c"># Number of key/valur pairs currently present...</span> | |
| 131 118 <span class="i">$This</span>->{<span class="w">CurrentSize</span>} = <span class="n">0</span><span class="sc">;</span> | |
| 132 119 | |
| 133 120 <span class="c"># Number of keys currently present where each key correspond to multiple values...</span> | |
| 134 121 <span class="i">$This</span>->{<span class="w">KeysCount</span>} = <span class="n">0</span><span class="sc">;</span> | |
| 135 122 <span class="s">}</span> | |
| 136 123 | |
| 137 124 <span class="c"># Initialize class ...</span> | |
| 138 <a name="_InitializeClass-"></a> 125 <span class="k">sub </span><span class="m">_InitializeClass</span> <span class="s">{</span> | |
| 139 126 <span class="c">#Class name...</span> | |
| 140 127 <span class="i">$ClassName</span> = <span class="w">__PACKAGE__</span><span class="sc">;</span> | |
| 141 128 | |
| 142 129 <span class="s">}</span> | |
| 143 130 | |
| 144 131 <span class="c"># Initialize object properties....</span> | |
| 145 132 <span class="c">#</span> | |
| 146 <a name="_InitializePseudoHeapProperties-"></a> 133 <span class="k">sub </span><span class="m">_InitializePseudoHeapProperties</span> <span class="s">{</span> | |
| 147 134 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">%NamesAndValues</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 148 135 <span class="k">my</span><span class="s">(</span><span class="i">$Name</span><span class="cm">,</span> <span class="i">$Value</span><span class="cm">,</span> <span class="i">$MethodName</span><span class="s">)</span><span class="sc">;</span> | |
| 149 136 | |
| 150 137 <span class="k">while</span> <span class="s">(</span><span class="s">(</span><span class="i">$Name</span><span class="cm">,</span> <span class="i">$Value</span><span class="s">)</span> = <span class="k">each</span> <span class="i">%NamesAndValues</span><span class="s">)</span> <span class="s">{</span> | |
| 151 138 <span class="i">$MethodName</span> = <span class="q">"Set${Name}"</span><span class="sc">;</span> | |
| 152 139 <span class="i">$This</span><span class="i">->$MethodName</span><span class="s">(</span><span class="i">$Value</span><span class="s">)</span><span class="sc">;</span> | |
| 153 140 <span class="s">}</span> | |
| 154 141 | |
| 155 142 <span class="k">if</span> <span class="s">(</span>!<span class="k">exists</span> <span class="i">$NamesAndValues</span>{<span class="w">Type</span>}<span class="s">)</span> <span class="s">{</span> | |
| 156 143 <span class="w">croak</span> <span class="q">"Error: ${ClassName}->New: Object can't be instantiated without specifying Type..."</span><span class="sc">;</span> | |
| 157 144 <span class="s">}</span> | |
| 158 145 | |
| 159 146 <span class="k">if</span> <span class="s">(</span>!<span class="k">exists</span> <span class="i">$NamesAndValues</span>{<span class="w">KeyType</span>}<span class="s">)</span> <span class="s">{</span> | |
| 160 147 <span class="w">croak</span> <span class="q">"Error: ${ClassName}->New: Object can't be instantiated without specifying KeyType..."</span><span class="sc">;</span> | |
| 161 148 <span class="s">}</span> | |
| 162 149 <span class="s">}</span> | |
| 163 150 | |
| 164 151 <span class="c"># Set heap type...</span> | |
| 165 152 <span class="c">#</span> | |
| 166 <a name="SetType-"></a> 153 <span class="k">sub </span><span class="m">SetType</span> <span class="s">{</span> | |
| 167 154 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">$Type</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 168 155 | |
| 169 156 <span class="k">if</span> <span class="s">(</span><span class="k">defined</span> <span class="i">$This</span>->{<span class="w">Type</span>}<span class="s">)</span> <span class="s">{</span> | |
| 170 157 <span class="w">croak</span> <span class="q">"Error: ${ClassName}->SetType: Can't change Type..."</span><span class="sc">;</span> | |
| 171 158 <span class="s">}</span> | |
| 172 159 | |
| 173 160 <span class="k">if</span> <span class="s">(</span><span class="i">$Type</span> !~ <span class="q">/^(KeepTopN|KeepBottomN)$/i</span><span class="s">)</span> <span class="s">{</span> | |
| 174 161 <span class="w">croak</span> <span class="q">"Error: ${ClassName}->SetType: Unknown PseudoHeap type: $Type; Supported types: KeepTopN or KeepBottomN..."</span><span class="sc">;</span> | |
| 175 162 <span class="s">}</span> | |
| 176 163 <span class="i">$This</span>->{<span class="w">Type</span>} = <span class="i">$Type</span><span class="sc">;</span> | |
| 177 164 | |
| 178 165 <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | |
| 179 166 <span class="s">}</span> | |
| 180 167 | |
| 181 168 <span class="c"># Get heap type..</span> | |
| 182 169 <span class="c">#</span> | |
| 183 <a name="GetType-"></a> 170 <span class="k">sub </span><span class="m">GetType</span> <span class="s">{</span> | |
| 184 171 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 185 172 | |
| 186 173 <span class="k">return</span> <span class="k">defined</span> <span class="i">$This</span>->{<span class="w">Type</span>} ? <span class="i">$This</span>->{<span class="w">Type</span>} <span class="co">:</span> <span class="q">'None'</span><span class="sc">;</span> | |
| 187 174 <span class="s">}</span> | |
| 188 175 | |
| 189 176 <span class="c"># Set key type...</span> | |
| 190 177 <span class="c">#</span> | |
| 191 <a name="SetKeyType-"></a> 178 <span class="k">sub </span><span class="m">SetKeyType</span> <span class="s">{</span> | |
| 192 179 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">$KeyType</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 193 180 | |
| 194 181 <span class="k">if</span> <span class="s">(</span><span class="k">defined</span> <span class="i">$This</span>->{<span class="w">KeyType</span>}<span class="s">)</span> <span class="s">{</span> | |
| 195 182 <span class="w">croak</span> <span class="q">"Error: ${ClassName}->SetType: Can't change KeyType..."</span><span class="sc">;</span> | |
| 196 183 <span class="s">}</span> | |
| 197 184 | |
| 198 185 <span class="k">if</span> <span class="s">(</span><span class="i">$KeyType</span> !~ <span class="q">/^(Numeric|Alphanumeric)$/i</span><span class="s">)</span> <span class="s">{</span> | |
| 199 186 <span class="w">croak</span> <span class="q">"Error: ${ClassName}->SetType: Unknown PseudoHeap key type: $KeyType; Supported key types: Numeric or Alphanumeric..."</span><span class="sc">;</span> | |
| 200 187 <span class="s">}</span> | |
| 201 188 <span class="i">$This</span>->{<span class="w">KeyType</span>} = <span class="i">$KeyType</span><span class="sc">;</span> | |
| 202 189 | |
| 203 190 <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | |
| 204 191 <span class="s">}</span> | |
| 205 192 | |
| 206 193 <span class="c"># Get key type..</span> | |
| 207 194 <span class="c">#</span> | |
| 208 <a name="GetKeyType-"></a> 195 <span class="k">sub </span><span class="m">GetKeyType</span> <span class="s">{</span> | |
| 209 196 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 210 197 | |
| 211 198 <span class="k">return</span> <span class="k">defined</span> <span class="i">$This</span>->{<span class="w">KeyType</span>} ? <span class="i">$This</span>->{<span class="w">KeyType</span>} <span class="co">:</span> <span class="q">'None'</span><span class="sc">;</span> | |
| 212 199 <span class="s">}</span> | |
| 213 200 | |
| 214 201 <span class="c"># Add a key/value pair...</span> | |
| 215 202 <span class="c">#</span> | |
| 216 <a name="AddKeyValuePair-"></a> 203 <span class="k">sub </span><span class="m">AddKeyValuePair</span> <span class="s">{</span> | |
| 217 204 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">$Key</span><span class="cm">,</span> <span class="i">$Value</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 218 205 | |
| 219 206 <span class="k">if</span> <span class="s">(</span>!<span class="s">(</span><span class="k">defined</span><span class="s">(</span><span class="i">$Key</span><span class="s">)</span> && <span class="k">defined</span><span class="s">(</span><span class="i">$Value</span><span class="s">)</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span> | |
| 220 207 <span class="w">carp</span> <span class="q">"Warning: ${ClassName}->AddKeyValuePair: No key added: Both key and value must be defined..."</span><span class="sc">;</span> | |
| 221 208 <span class="k">return</span> <span class="k">undef</span><span class="sc">;</span> | |
| 222 209 <span class="s">}</span> | |
| 223 210 | |
| 224 211 <span class="i">$This</span><span class="i">->_AddKeyValuePair</span><span class="s">(</span><span class="i">$Key</span><span class="cm">,</span> <span class="i">$Value</span><span class="s">)</span><span class="sc">;</span> | |
| 225 212 | |
| 226 213 <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | |
| 227 214 <span class="s">}</span> | |
| 228 215 | |
| 229 216 <span class="c"># Add multiple key/value pairs...</span> | |
| 230 217 <span class="c">#</span> | |
| 231 <a name="AddKeyValuePairs-"></a> 218 <span class="k">sub </span><span class="m">AddKeyValuePairs</span> <span class="s">{</span> | |
| 232 219 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">@KeyValuePairs</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 233 220 | |
| 234 221 <span class="k">if</span> <span class="s">(</span>!<span class="i">@KeyValuePairs</span><span class="s">)</span> <span class="s">{</span> | |
| 235 222 <span class="w">carp</span> <span class="q">"Warning: ${ClassName}->AddKeyValuePairs: No keys added: Key/Value pairs list is empty..."</span><span class="sc">;</span> | |
| 236 223 <span class="k">return</span> <span class="k">undef</span><span class="sc">;</span> | |
| 237 224 <span class="s">}</span> | |
| 238 225 <span class="k">if</span> <span class="s">(</span><span class="i">@KeyValuePairs</span> % <span class="n">2</span><span class="s">)</span> <span class="s">{</span> | |
| 239 226 <span class="w">carp</span> <span class="q">"Warning: ${ClassName}->AddKeyValuePairs: No keys pairs added: Invalid key/value pairs data: Input list must contain even number of values..."</span><span class="sc">;</span> | |
| 240 227 <span class="k">return</span> <span class="k">undef</span><span class="sc">;</span> | |
| 241 228 <span class="s">}</span> | |
| 242 229 | |
| 243 230 <span class="k">my</span><span class="s">(</span><span class="i">$Key</span><span class="cm">,</span> <span class="i">$Value</span><span class="cm">,</span> <span class="i">$Index</span><span class="s">)</span><span class="sc">;</span> | |
| 244 231 <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> < <span class="i">$#KeyValuePairs</span><span class="sc">;</span> <span class="i">$Index</span> += <span class="n">2</span><span class="s">)</span> <span class="s">{</span> | |
| 245 232 <span class="i">$Key</span> = <span class="i">$KeyValuePairs</span>[<span class="i">$Index</span>]<span class="sc">;</span> <span class="i">$Value</span> = <span class="i">$KeyValuePairs</span>[<span class="i">$Index</span> + <span class="n">1</span>]<span class="sc">;</span> | |
| 246 233 <span class="i">$This</span><span class="i">->AddKeyValuePair</span><span class="s">(</span><span class="i">$Key</span><span class="cm">,</span> <span class="i">$Value</span><span class="s">)</span><span class="sc">;</span> | |
| 247 234 <span class="s">}</span> | |
| 248 235 | |
| 249 236 <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | |
| 250 237 <span class="s">}</span> | |
| 251 238 | |
| 252 239 <span class="c"># Delete specified keys along with all associated values for each key...</span> | |
| 253 240 <span class="c">#</span> | |
| 254 <a name="DeleteKeys-"></a> 241 <span class="k">sub </span><span class="m">DeleteKeys</span> <span class="s">{</span> | |
| 255 242 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">@Keys</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 256 243 | |
| 257 244 <span class="k">if</span> <span class="s">(</span>!<span class="i">@Keys</span><span class="s">)</span> <span class="s">{</span> | |
| 258 245 <span class="w">carp</span> <span class="q">"Warning: ${ClassName}->DeleteKeys: No keys deleted: Keys list is empty..."</span><span class="sc">;</span> | |
| 259 246 <span class="k">return</span> <span class="k">undef</span><span class="sc">;</span> | |
| 260 247 <span class="s">}</span> | |
| 261 248 <span class="k">my</span><span class="s">(</span><span class="i">$Key</span><span class="s">)</span><span class="sc">;</span> | |
| 262 249 <span class="k">for</span> <span class="i">$Key</span> <span class="s">(</span><span class="i">@Keys</span><span class="s">)</span> <span class="s">{</span> | |
| 263 250 <span class="i">$This</span><span class="i">->DeleteKey</span><span class="s">(</span><span class="i">$Key</span><span class="s">)</span><span class="sc">;</span> | |
| 264 251 <span class="s">}</span> | |
| 265 252 | |
| 266 253 <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | |
| 267 254 <span class="s">}</span> | |
| 268 255 | |
| 269 256 <span class="c"># Delete a sepcified key along with all of its associated values...</span> | |
| 270 257 <span class="c">#</span> | |
| 271 <a name="DeleteKey-"></a> 258 <span class="k">sub </span><span class="m">DeleteKey</span> <span class="s">{</span> | |
| 272 259 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">$Key</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 273 260 | |
| 274 261 <span class="k">if</span> <span class="s">(</span>!<span class="k">defined</span> <span class="i">$Key</span> <span class="s">)</span> <span class="s">{</span> | |
| 275 262 <span class="w">carp</span> <span class="q">"Warning: ${ClassName}->DeleteKey: No key deleted: Key must be specified..."</span><span class="sc">;</span> | |
| 276 263 <span class="k">return</span> <span class="k">undef</span><span class="sc">;</span> | |
| 277 264 <span class="s">}</span> | |
| 278 265 | |
| 279 266 <span class="k">return</span> <span class="i">$This</span><span class="i">->_DeleteKey</span><span class="s">(</span><span class="i">$Key</span><span class="s">)</span><span class="sc">;</span> | |
| 280 267 <span class="s">}</span> | |
| 281 268 | |
| 282 269 <span class="c"># Delete min key along with all of its associated values...</span> | |
| 283 270 <span class="c">#</span> | |
| 284 <a name="DeleteMinKey-"></a> 271 <span class="k">sub </span><span class="m">DeleteMinKey</span> <span class="s">{</span> | |
| 285 272 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 286 273 | |
| 287 274 <span class="k">return</span> <span class="i">$This</span><span class="i">->DeleteKey</span><span class="s">(</span><span class="i">$This</span>->{<span class="w">MinKey</span>}<span class="s">)</span><span class="sc">;</span> | |
| 288 275 <span class="s">}</span> | |
| 289 276 | |
| 290 277 <span class="c"># Delete max key along with all of its associated values...</span> | |
| 291 278 <span class="c">#</span> | |
| 292 <a name="DeleteMaxKey-"></a> 279 <span class="k">sub </span><span class="m">DeleteMaxKey</span> <span class="s">{</span> | |
| 293 280 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 294 281 | |
| 295 282 <span class="k">return</span> <span class="i">$This</span><span class="i">->DeleteKey</span><span class="s">(</span><span class="i">$This</span>->{<span class="w">MaxKey</span>}<span class="s">)</span><span class="sc">;</span> | |
| 296 283 <span class="s">}</span> | |
| 297 284 | |
| 298 285 <span class="c"># Set max size...</span> | |
| 299 286 <span class="c">#</span> | |
| 300 <a name="SetMaxSize-"></a> 287 <span class="k">sub </span><span class="m">SetMaxSize</span> <span class="s">{</span> | |
| 301 288 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">$Size</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 302 289 | |
| 303 290 <span class="k">if</span> <span class="s">(</span>!<span class="i">TextUtil::IsPositiveInteger</span><span class="s">(</span><span class="i">$Size</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span> | |
| 304 291 <span class="w">croak</span> <span class="q">"Error: ${ClassName}->SetMaxSize: Max size value, $Size, is not valid: It must be a positive integer..."</span><span class="sc">;</span> | |
| 305 292 <span class="s">}</span> | |
| 306 293 | |
| 307 294 <span class="k">if</span> <span class="s">(</span><span class="k">defined</span><span class="s">(</span><span class="i">$This</span>->{<span class="w">MinKey</span>}<span class="s">)</span> || <span class="k">defined</span><span class="s">(</span><span class="i">$This</span>->{<span class="w">MaxKey</span>}<span class="s">)</span><span class="s">)</span> <span class="s">{</span> | |
| 308 295 <span class="w">croak</span> <span class="q">"Error: ${ClassName}->SetMaxSize: Can't change max size: Keys are already present..."</span><span class="sc">;</span> | |
| 309 296 <span class="s">}</span> | |
| 310 297 | |
| 311 298 <span class="i">$This</span>->{<span class="w">MaxSize</span>} = <span class="i">$Size</span><span class="sc">;</span> | |
| 312 299 | |
| 313 300 <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | |
| 314 301 <span class="s">}</span> | |
| 315 302 | |
| 316 303 <span class="c"># Get max size...</span> | |
| 317 304 <span class="c">#</span> | |
| 318 <a name="GetMaxSize-"></a> 305 <span class="k">sub </span><span class="m">GetMaxSize</span> <span class="s">{</span> | |
| 319 306 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 320 307 | |
| 321 308 <span class="k">return</span> <span class="i">$This</span>->{<span class="w">MaxMaxSize</span>}<span class="sc">;</span> | |
| 322 309 <span class="s">}</span> | |
| 323 310 | |
| 324 311 <span class="c"># Get current size...</span> | |
| 325 312 <span class="c">#</span> | |
| 326 <a name="GetCurrentSize-"></a> 313 <span class="k">sub </span><span class="m">GetCurrentSize</span> <span class="s">{</span> | |
| 327 314 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 328 315 | |
| 329 316 <span class="k">return</span> <span class="i">$This</span>->{<span class="w">CurrentSize</span>}<span class="sc">;</span> | |
| 330 317 <span class="s">}</span> | |
| 331 318 | |
| 332 319 <span class="c"># Get min key...</span> | |
| 333 320 <span class="c">#</span> | |
| 334 <a name="GetMinKey-"></a> 321 <span class="k">sub </span><span class="m">GetMinKey</span> <span class="s">{</span> | |
| 335 322 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 336 323 | |
| 337 324 <span class="k">return</span> <span class="k">defined</span> <span class="i">$This</span>->{<span class="w">MinKey</span>} ? <span class="i">$This</span>->{<span class="w">MinKey</span>} <span class="co">:</span> <span class="q">'None'</span><span class="sc">;</span> | |
| 338 325 <span class="s">}</span> | |
| 339 326 | |
| 340 327 <span class="c"># Get max key...</span> | |
| 341 328 <span class="c">#</span> | |
| 342 <a name="GetMaxKey-"></a> 329 <span class="k">sub </span><span class="m">GetMaxKey</span> <span class="s">{</span> | |
| 343 330 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 344 331 | |
| 345 332 <span class="k">return</span> <span class="k">defined</span> <span class="i">$This</span>->{<span class="w">MaxKey</span>} ? <span class="i">$This</span>->{<span class="w">MaxKey</span>} <span class="co">:</span> <span class="q">'None'</span><span class="sc">;</span> | |
| 346 333 <span class="s">}</span> | |
| 347 334 | |
| 348 335 <span class="c"># Get keys...</span> | |
| 349 336 <span class="c">#</span> | |
| 350 <a name="GetKeys-"></a> 337 <span class="k">sub </span><span class="m">GetKeys</span> <span class="s">{</span> | |
| 351 338 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 352 339 | |
| 353 340 <span class="k">return</span> <span class="k">wantarray</span> ? <span class="k">keys</span> <span class="i">%</span>{<span class="i">$This</span>->{<span class="w">Keys</span>}} <span class="co">:</span> <span class="k">scalar</span> <span class="k">keys</span> <span class="i">%</span>{<span class="i">$This</span>->{<span class="w">Keys</span>}}<span class="sc">;</span> | |
| 354 341 <span class="s">}</span> | |
| 355 342 | |
| 356 343 <span class="c"># Get sorted keys...</span> | |
| 357 344 <span class="c">#</span> | |
| 358 <a name="GetSortedKeys-"></a> 345 <span class="k">sub </span><span class="m">GetSortedKeys</span> <span class="s">{</span> | |
| 359 346 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 360 347 <span class="k">my</span><span class="s">(</span><span class="i">@SortedKeys</span><span class="s">)</span><span class="sc">;</span> | |
| 361 348 | |
| 362 349 <span class="i">@SortedKeys</span> = <span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 363 350 <span class="k">if</span> <span class="s">(</span><span class="i">$This</span>->{<span class="w">Type</span>} =~ <span class="q">/^KeepTopN$/i</span><span class="s">)</span> <span class="s">{</span> | |
| 364 351 <span class="i">@SortedKeys</span> = <span class="s">(</span><span class="i">$This</span>->{<span class="w">KeyType</span>} =~ <span class="q">/^Numeric$/i</span><span class="s">)</span> ? <span class="s">(</span><span class="k">sort</span> <span class="s">{</span> <span class="i">$b</span> <=> <span class="i">$a</span> <span class="s">}</span> <span class="k">keys</span> <span class="i">%</span>{<span class="i">$This</span>->{<span class="w">Keys</span>}}<span class="s">)</span> <span class="co">:</span> <span class="s">(</span><span class="k">sort</span> <span class="s">{</span> <span class="i">$b</span> <span class="k">cmp</span> <span class="i">$a</span> <span class="s">}</span> <span class="k">keys</span> <span class="i">%</span>{<span class="i">$This</span>->{<span class="w">Keys</span>}}<span class="s">)</span><span class="sc">;</span> | |
| 365 352 <span class="s">}</span> | |
| 366 353 <span class="k">elsif</span> <span class="s">(</span><span class="i">$This</span>->{<span class="w">Type</span>} =~ <span class="q">/^KeepBottomN$/i</span><span class="s">)</span> <span class="s">{</span> | |
| 367 354 <span class="i">@SortedKeys</span> = <span class="s">(</span><span class="i">$This</span>->{<span class="w">KeyType</span>} =~ <span class="q">/^Numeric$/i</span><span class="s">)</span> ? <span class="s">(</span><span class="k">sort</span> <span class="s">{</span> <span class="i">$a</span> <=> <span class="i">$b</span> <span class="s">}</span> <span class="k">keys</span> <span class="i">%</span>{<span class="i">$This</span>->{<span class="w">Keys</span>}}<span class="s">)</span> <span class="co">:</span> <span class="s">(</span><span class="k">sort</span> <span class="s">{</span> <span class="i">$a</span> <span class="k">cmp</span> <span class="i">$b</span> <span class="s">}</span> <span class="k">keys</span> <span class="i">%</span>{<span class="i">$This</span>->{<span class="w">Keys</span>}}<span class="s">)</span><span class="sc">;</span> | |
| 368 355 <span class="s">}</span> | |
| 369 356 | |
| 370 357 <span class="k">return</span> <span class="k">wantarray</span> ? <span class="i">@SortedKeys</span> <span class="co">:</span> <span class="k">scalar</span> <span class="i">@SortedKeys</span><span class="sc">;</span> | |
| 371 358 <span class="s">}</span> | |
| 372 359 | |
| 373 360 <span class="c"># Get values associated with a specified key...</span> | |
| 374 <a name="GetKeyValues-"></a> 361 <span class="k">sub </span><span class="m">GetKeyValues</span> <span class="s">{</span> | |
| 375 362 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">$Key</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 376 363 <span class="k">my</span><span class="s">(</span><span class="i">@KeyValues</span><span class="s">)</span><span class="sc">;</span> | |
| 377 364 | |
| 378 365 <span class="i">@KeyValues</span> = <span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 379 366 <span class="k">if</span> <span class="s">(</span><span class="k">defined</span><span class="s">(</span><span class="i">$Key</span><span class="s">)</span> && <span class="k">exists</span><span class="s">(</span><span class="i">$This</span>->{<span class="w">Keys</span>}{<span class="i">$Key</span>}<span class="s">)</span><span class="s">)</span> <span class="s">{</span> | |
| 380 367 <span class="i">@KeyValues</span> = <span class="i">@</span>{<span class="i">$This</span>->{<span class="w">Keys</span>}{<span class="i">$Key</span>}}<span class="sc">;</span> | |
| 381 368 <span class="s">}</span> | |
| 382 369 <span class="k">return</span> <span class="k">wantarray</span> ? <span class="i">@KeyValues</span> <span class="co">:</span> <span class="k">scalar</span> <span class="i">@KeyValues</span><span class="sc">;</span> | |
| 383 370 <span class="s">}</span> | |
| 384 371 | |
| 385 372 <span class="c"># Add key/value pair...</span> | |
| 386 373 <span class="c">#</span> | |
| 387 <a name="_AddKeyValuePair-"></a> 374 <span class="k">sub </span><span class="m">_AddKeyValuePair</span><span class="s">{</span> | |
| 388 375 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">$Key</span><span class="cm">,</span> <span class="i">$Value</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 389 376 | |
| 390 377 <span class="k">if</span> <span class="s">(</span><span class="i">$This</span>->{<span class="w">CurrentSize</span>} < <span class="i">$This</span>->{<span class="w">MaxSize</span>}<span class="s">)</span> <span class="s">{</span> | |
| 391 378 <span class="k">return</span> <span class="i">$This</span><span class="i">->_AppendKeyValuePair</span><span class="s">(</span><span class="i">$Key</span><span class="cm">,</span> <span class="i">$Value</span><span class="s">)</span><span class="sc">;</span> | |
| 392 379 <span class="s">}</span> | |
| 393 380 <span class="k">else</span> <span class="s">{</span> | |
| 394 381 <span class="k">return</span> <span class="i">$This</span><span class="i">->_InsertKeyValuePair</span><span class="s">(</span><span class="i">$Key</span><span class="cm">,</span> <span class="i">$Value</span><span class="s">)</span><span class="sc">;</span> | |
| 395 382 <span class="s">}</span> | |
| 396 383 <span class="s">}</span> | |
| 397 384 | |
| 398 385 <span class="c"># Append key/value pair...</span> | |
| 399 386 <span class="c">#</span> | |
| 400 <a name="_AppendKeyValuePair-"></a> 387 <span class="k">sub </span><span class="m">_AppendKeyValuePair</span> <span class="s">{</span> | |
| 401 388 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">$Key</span><span class="cm">,</span> <span class="i">$Value</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 402 389 | |
| 403 390 <span class="k">if</span> <span class="s">(</span>!<span class="k">exists</span> <span class="i">$This</span>->{<span class="w">Keys</span>}{<span class="i">$Key</span>}<span class="s">)</span> <span class="s">{</span> | |
| 404 391 <span class="i">@</span>{<span class="i">$This</span>->{<span class="w">Keys</span>}{<span class="i">$Key</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 405 392 <span class="i">$This</span>->{<span class="w">KeysCount</span>} += <span class="n">1</span><span class="sc">;</span> | |
| 406 393 | |
| 407 394 <span class="i">$This</span><span class="i">->_CompareAndSetMinKey</span><span class="s">(</span><span class="i">$Key</span><span class="s">)</span><span class="sc">;</span> | |
| 408 395 <span class="i">$This</span><span class="i">->_CompareAndSetMaxKey</span><span class="s">(</span><span class="i">$Key</span><span class="s">)</span><span class="sc">;</span> | |
| 409 396 <span class="s">}</span> | |
| 410 397 | |
| 411 398 <span class="k">push</span> <span class="i">@</span>{<span class="i">$This</span>->{<span class="w">Keys</span>}{<span class="i">$Key</span>}}<span class="cm">,</span> <span class="i">$Value</span><span class="sc">;</span> | |
| 412 399 <span class="i">$This</span>->{<span class="w">CurrentSize</span>} += <span class="n">1</span><span class="sc">;</span> | |
| 413 400 | |
| 414 401 <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | |
| 415 402 <span class="s">}</span> | |
| 416 403 | |
| 417 404 <span class="c"># Insert key/value pair...</span> | |
| 418 405 <span class="c">#</span> | |
| 419 <a name="_InsertKeyValuePair-"></a> 406 <span class="k">sub </span><span class="m">_InsertKeyValuePair</span> <span class="s">{</span> | |
| 420 407 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">$Key</span><span class="cm">,</span> <span class="i">$Value</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 421 408 | |
| 422 409 <span class="c"># Is this key need to be inserted?</span> | |
| 423 410 <span class="k">if</span> <span class="s">(</span>!<span class="i">$This</span><span class="i">->_IsKeyNeedToBeInserted</span><span class="s">(</span><span class="i">$Key</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span> | |
| 424 411 <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | |
| 425 412 <span class="s">}</span> | |
| 426 413 | |
| 427 414 <span class="c"># Insert key/value pair...</span> | |
| 428 415 <span class="k">if</span> <span class="s">(</span>!<span class="k">exists</span> <span class="i">$This</span>->{<span class="w">Keys</span>}{<span class="i">$Key</span>}<span class="s">)</span> <span class="s">{</span> | |
| 429 416 <span class="i">@</span>{<span class="i">$This</span>->{<span class="w">Keys</span>}{<span class="i">$Key</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 430 417 <span class="i">$This</span>->{<span class="w">KeysCount</span>} += <span class="n">1</span><span class="sc">;</span> | |
| 431 418 <span class="s">}</span> | |
| 432 419 <span class="k">push</span> <span class="i">@</span>{<span class="i">$This</span>->{<span class="w">Keys</span>}{<span class="i">$Key</span>}}<span class="cm">,</span> <span class="i">$Value</span><span class="sc">;</span> | |
| 433 420 <span class="i">$This</span>->{<span class="w">CurrentSize</span>} += <span class="n">1</span><span class="sc">;</span> | |
| 434 421 | |
| 435 422 <span class="c"># Remove min or max key/value pair along with its update...</span> | |
| 436 423 <span class="k">my</span><span class="s">(</span><span class="i">$KeyToDetele</span><span class="s">)</span><span class="sc">;</span> | |
| 437 424 | |
| 438 425 <span class="i">$KeyToDetele</span> = <span class="s">(</span><span class="i">$This</span>->{<span class="w">Type</span>} =~ <span class="q">/^KeepTopN$/i</span><span class="s">)</span> ? <span class="i">$This</span>->{<span class="w">MinKey</span>} <span class="co">:</span> <span class="i">$This</span>->{<span class="w">MaxKey</span>}<span class="sc">;</span> | |
| 439 426 <span class="i">$This</span><span class="i">->_DeleteKeyValuePair</span><span class="s">(</span><span class="i">$KeyToDetele</span><span class="s">)</span><span class="sc">;</span> | |
| 440 427 | |
| 441 428 <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | |
| 442 429 <span class="s">}</span> | |
| 443 430 | |
| 444 431 <span class="c"># Check whether it makes sense to insert specified key...</span> | |
| 445 432 <span class="c">#</span> | |
| 446 <a name="_IsKeyNeedToBeInserted-"></a> 433 <span class="k">sub </span><span class="m">_IsKeyNeedToBeInserted</span> <span class="s">{</span> | |
| 447 434 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">$Key</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 448 435 | |
| 449 436 <span class="k">if</span> <span class="s">(</span><span class="i">$This</span>->{<span class="w">Type</span>} =~ <span class="q">/^KeepTopN$/i</span><span class="s">)</span> <span class="s">{</span> | |
| 450 437 <span class="k">if</span> <span class="s">(</span><span class="i">$This</span>->{<span class="w">KeyType</span>} =~ <span class="q">/^Numeric$/i</span><span class="s">)</span> <span class="s">{</span> | |
| 451 438 <span class="k">return</span> <span class="s">(</span><span class="i">$Key</span> < <span class="i">$This</span>->{<span class="w">MinKey</span>}<span class="s">)</span> ? <span class="n">0</span> <span class="co">:</span> <span class="s">(</span><span class="s">(</span><span class="s">(</span><span class="i">$This</span>->{<span class="w">KeysCount</span>} == <span class="n">1</span><span class="s">)</span> && <span class="s">(</span><span class="i">$This</span>->{<span class="w">MinKey</span>} == <span class="i">$Key</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> | |
| 452 439 <span class="s">}</span> | |
| 453 440 <span class="k">else</span> <span class="s">{</span> | |
| 454 441 <span class="k">return</span> <span class="s">(</span><span class="i">$Key</span> <span class="k">lt</span> <span class="i">$This</span>->{<span class="w">MinKey</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="i">$This</span>->{<span class="w">KeysCount</span>} == <span class="n">1</span><span class="s">)</span> && <span class="s">(</span><span class="i">$This</span>->{<span class="w">MinKey</span>} <span class="k">eq</span> <span class="i">$Key</span><span class="s">)</span><span class="s">)</span> ? <span class="n">0</span> <span class="co">:</span> <span class="n">1</span><span class="s">)</span><span class="sc">;</span> | |
| 455 442 <span class="s">}</span> | |
| 456 443 <span class="s">}</span> | |
| 457 444 <span class="k">elsif</span> <span class="s">(</span><span class="i">$This</span>->{<span class="w">Type</span>} =~ <span class="q">/^KeepBottomN$/i</span><span class="s">)</span> <span class="s">{</span> | |
| 458 445 <span class="k">if</span> <span class="s">(</span><span class="i">$This</span>->{<span class="w">KeyType</span>} =~ <span class="q">/^Numeric$/i</span><span class="s">)</span> <span class="s">{</span> | |
| 459 446 <span class="k">return</span> <span class="s">(</span><span class="i">$Key</span> > <span class="i">$This</span>->{<span class="w">MaxKey</span>}<span class="s">)</span> ? <span class="n">0</span> <span class="co">:</span> <span class="s">(</span><span class="s">(</span><span class="s">(</span><span class="i">$This</span>->{<span class="w">KeysCount</span>} == <span class="n">1</span><span class="s">)</span> && <span class="s">(</span><span class="i">$This</span>->{<span class="w">MaxKey</span>} == <span class="i">$Key</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> | |
| 460 447 <span class="s">}</span> | |
| 461 448 <span class="k">else</span> <span class="s">{</span> | |
| 462 449 <span class="k">return</span> <span class="s">(</span><span class="i">$Key</span> <span class="k">gt</span> <span class="i">$This</span>->{<span class="w">MaxKey</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="i">$This</span>->{<span class="w">KeysCount</span>} == <span class="n">1</span><span class="s">)</span> && <span class="s">(</span><span class="i">$This</span>->{<span class="w">MaxKey</span>} <span class="k">eq</span> <span class="i">$Key</span><span class="s">)</span><span class="s">)</span> ? <span class="n">0</span> <span class="co">:</span> <span class="n">1</span><span class="s">)</span><span class="sc">;</span> | |
| 463 450 <span class="s">}</span> | |
| 464 451 <span class="s">}</span> | |
| 465 452 | |
| 466 453 <span class="k">return</span> <span class="n">1</span><span class="sc">;</span> | |
| 467 454 <span class="s">}</span> | |
| 468 455 | |
| 469 456 <span class="c"># Set min key...</span> | |
| 470 457 <span class="c">#</span> | |
| 471 <a name="_CompareAndSetMinKey-"></a> 458 <span class="k">sub </span><span class="m">_CompareAndSetMinKey</span> <span class="s">{</span> | |
| 472 459 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">$Key</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 473 460 | |
| 474 461 <span class="k">if</span> <span class="s">(</span>!<span class="k">defined</span> <span class="i">$This</span>->{<span class="w">MinKey</span>}<span class="s">)</span> <span class="s">{</span> | |
| 475 462 <span class="i">$This</span>->{<span class="w">MinKey</span>} = <span class="i">$Key</span><span class="sc">;</span> | |
| 476 463 <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | |
| 477 464 <span class="s">}</span> | |
| 478 465 | |
| 479 466 <span class="k">if</span> <span class="s">(</span><span class="i">$This</span>->{<span class="w">KeyType</span>} =~ <span class="q">/^Numeric$/i</span><span class="s">)</span> <span class="s">{</span> | |
| 480 467 <span class="k">if</span> <span class="s">(</span><span class="i">$Key</span> < <span class="i">$This</span>->{<span class="w">MinKey</span>}<span class="s">)</span> <span class="s">{</span> | |
| 481 468 <span class="i">$This</span>->{<span class="w">MinKey</span>} = <span class="i">$Key</span><span class="sc">;</span> | |
| 482 469 <span class="s">}</span> | |
| 483 470 <span class="s">}</span> | |
| 484 471 <span class="k">else</span> <span class="s">{</span> | |
| 485 472 <span class="k">if</span> <span class="s">(</span><span class="i">$Key</span> <span class="k">lt</span> <span class="i">$This</span>->{<span class="w">MinKey</span>}<span class="s">)</span> <span class="s">{</span> | |
| 486 473 <span class="i">$This</span>->{<span class="w">MinKey</span>} = <span class="i">$Key</span><span class="sc">;</span> | |
| 487 474 <span class="s">}</span> | |
| 488 475 <span class="s">}</span> | |
| 489 476 | |
| 490 477 <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | |
| 491 478 <span class="s">}</span> | |
| 492 479 | |
| 493 480 <span class="c"># Set max key...</span> | |
| 494 481 <span class="c">#</span> | |
| 495 <a name="_CompareAndSetMaxKey-"></a> 482 <span class="k">sub </span><span class="m">_CompareAndSetMaxKey</span> <span class="s">{</span> | |
| 496 483 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">$Key</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 497 484 | |
| 498 485 <span class="k">if</span> <span class="s">(</span>!<span class="k">defined</span> <span class="i">$This</span>->{<span class="w">MaxKey</span>}<span class="s">)</span> <span class="s">{</span> | |
| 499 486 <span class="i">$This</span>->{<span class="w">MaxKey</span>} = <span class="i">$Key</span><span class="sc">;</span> | |
| 500 487 <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | |
| 501 488 <span class="s">}</span> | |
| 502 489 | |
| 503 490 <span class="k">if</span> <span class="s">(</span><span class="i">$This</span>->{<span class="w">KeyType</span>} =~ <span class="q">/^Numeric$/i</span><span class="s">)</span> <span class="s">{</span> | |
| 504 491 <span class="k">if</span> <span class="s">(</span><span class="i">$Key</span> > <span class="i">$This</span>->{<span class="w">MaxKey</span>}<span class="s">)</span> <span class="s">{</span> | |
| 505 492 <span class="i">$This</span>->{<span class="w">MaxKey</span>} = <span class="i">$Key</span><span class="sc">;</span> | |
| 506 493 <span class="s">}</span> | |
| 507 494 <span class="s">}</span> | |
| 508 495 <span class="k">else</span> <span class="s">{</span> | |
| 509 496 <span class="k">if</span> <span class="s">(</span><span class="i">$Key</span> <span class="k">gt</span> <span class="i">$This</span>->{<span class="w">MaxKey</span>}<span class="s">)</span> <span class="s">{</span> | |
| 510 497 <span class="i">$This</span>->{<span class="w">MaxKey</span>} = <span class="i">$Key</span><span class="sc">;</span> | |
| 511 498 <span class="s">}</span> | |
| 512 499 <span class="s">}</span> | |
| 513 500 | |
| 514 501 <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | |
| 515 502 <span class="s">}</span> | |
| 516 503 | |
| 517 504 <span class="c"># Delete a sepcified key along with all of its values added to the list...</span> | |
| 518 505 <span class="c">#</span> | |
| 519 <a name="_DeleteKey-"></a> 506 <span class="k">sub </span><span class="m">_DeleteKey</span> <span class="s">{</span> | |
| 520 507 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">$Key</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 521 508 <span class="k">my</span><span class="s">(</span><span class="i">$NumOfValues</span><span class="s">)</span><span class="sc">;</span> | |
| 522 509 | |
| 523 510 <span class="k">if</span> <span class="s">(</span>!<span class="k">exists</span> <span class="i">$This</span>->{<span class="w">Keys</span>}{<span class="i">$Key</span>}<span class="s">)</span> <span class="s">{</span> | |
| 524 511 <span class="k">return</span> <span class="k">undef</span><span class="sc">;</span> | |
| 525 512 <span class="s">}</span> | |
| 526 513 | |
| 527 514 <span class="c"># Delete all key values...</span> | |
| 528 515 <span class="i">$NumOfValues</span> = <span class="k">scalar</span> <span class="i">@</span>{<span class="i">$This</span>->{<span class="w">Keys</span>}{<span class="i">$Key</span>}}<span class="sc">;</span> | |
| 529 516 <span class="i">@</span>{<span class="i">$This</span>->{<span class="w">Keys</span>}{<span class="i">$Key</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 530 517 <span class="i">$This</span>->{<span class="w">CurrentSize</span>} -= <span class="i">$NumOfValues</span><span class="sc">;</span> | |
| 531 518 | |
| 532 519 <span class="c"># Delete key...</span> | |
| 533 520 <span class="k">delete</span> <span class="i">$This</span>->{<span class="w">Keys</span>}{<span class="i">$Key</span>}<span class="sc">;</span> | |
| 534 521 <span class="i">$This</span>->{<span class="w">KeysCount</span>} -= <span class="n">1</span><span class="sc">;</span> | |
| 535 522 | |
| 536 523 <span class="c"># Set min and max keys...</span> | |
| 537 524 <span class="i">$This</span><span class="i">->_FindAndSetMinAndMaxKeys</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 538 525 | |
| 539 526 <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | |
| 540 527 <span class="s">}</span> | |
| 541 528 | |
| 542 529 <span class="c"># Delete a sepcified key along with its most recent value added to the list...</span> | |
| 543 530 <span class="c">#</span> | |
| 544 <a name="_DeleteKeyValuePair-"></a> 531 <span class="k">sub </span><span class="m">_DeleteKeyValuePair</span> <span class="s">{</span> | |
| 545 532 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">$Key</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 546 533 | |
| 547 534 <span class="k">if</span> <span class="s">(</span>!<span class="k">exists</span> <span class="i">$This</span>->{<span class="w">Keys</span>}{<span class="i">$Key</span>}<span class="s">)</span> <span class="s">{</span> | |
| 548 535 <span class="k">return</span> <span class="k">undef</span><span class="sc">;</span> | |
| 549 536 <span class="s">}</span> | |
| 550 537 | |
| 551 538 <span class="c"># Delete value...</span> | |
| 552 539 <span class="k">pop</span> <span class="i">@</span>{<span class="i">$This</span>->{<span class="w">Keys</span>}{<span class="i">$Key</span>}}<span class="sc">;</span> | |
| 553 540 <span class="i">$This</span>->{<span class="w">CurrentSize</span>} -= <span class="n">1</span><span class="sc">;</span> | |
| 554 541 | |
| 555 542 <span class="c"># Delete key...</span> | |
| 556 543 <span class="k">if</span> <span class="s">(</span>!<span class="i">@</span>{<span class="i">$This</span>->{<span class="w">Keys</span>}{<span class="i">$Key</span>}}<span class="s">)</span> <span class="s">{</span> | |
| 557 544 <span class="k">delete</span> <span class="i">$This</span>->{<span class="w">Keys</span>}{<span class="i">$Key</span>}<span class="sc">;</span> | |
| 558 545 <span class="i">$This</span>->{<span class="w">KeysCount</span>} -= <span class="n">1</span><span class="sc">;</span> | |
| 559 546 <span class="s">}</span> | |
| 560 547 | |
| 561 548 <span class="c"># Set min and max keys...</span> | |
| 562 549 <span class="i">$This</span><span class="i">->_FindAndSetMinAndMaxKeys</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 563 550 | |
| 564 551 <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | |
| 565 552 <span class="s">}</span> | |
| 566 553 | |
| 567 554 <span class="c"># Set min and max key...</span> | |
| 568 555 <span class="c">#</span> | |
| 569 <a name="_FindAndSetMinAndMaxKeys-"></a> 556 <span class="k">sub </span><span class="m">_FindAndSetMinAndMaxKeys</span> <span class="s">{</span> | |
| 570 557 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 571 558 <span class="k">my</span><span class="s">(</span><span class="i">@SortedKeys</span><span class="s">)</span><span class="sc">;</span> | |
| 572 559 | |
| 573 560 <span class="i">@SortedKeys</span> = <span class="s">(</span><span class="i">$This</span>->{<span class="w">KeyType</span>} =~ <span class="q">/^Numeric$/i</span><span class="s">)</span> ? <span class="s">(</span><span class="k">sort</span> <span class="s">{</span> <span class="i">$a</span> <=> <span class="i">$b</span> <span class="s">}</span> <span class="k">keys</span> <span class="i">%</span>{<span class="i">$This</span>->{<span class="w">Keys</span>}}<span class="s">)</span> <span class="co">:</span> <span class="s">(</span><span class="k">sort</span> <span class="s">{</span> <span class="i">$a</span> <span class="k">cmp</span> <span class="i">$b</span> <span class="s">}</span> <span class="k">keys</span> <span class="i">%</span>{<span class="i">$This</span>->{<span class="w">Keys</span>}}<span class="s">)</span><span class="sc">;</span> | |
| 574 561 | |
| 575 562 <span class="k">if</span> <span class="s">(</span><span class="i">@SortedKeys</span><span class="s">)</span> <span class="s">{</span> | |
| 576 563 <span class="i">$This</span>->{<span class="w">MinKey</span>} = <span class="i">$SortedKeys</span>[<span class="n">0</span>]<span class="sc">;</span> | |
| 577 564 <span class="i">$This</span>->{<span class="w">MaxKey</span>} = <span class="i">$SortedKeys</span>[<span class="i">$#SortedKeys</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">$This</span>->{<span class="w">MinKey</span>} = <span class="k">undef</span><span class="sc">;</span> | |
| 581 568 <span class="i">$This</span>->{<span class="w">MaxKey</span>} = <span class="k">undef</span><span class="sc">;</span> | |
| 582 569 <span class="s">}</span> | |
| 583 570 | |
| 584 571 <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | |
| 585 572 <span class="s">}</span> | |
| 586 573 | |
| 587 574 <span class="c"># Return a string containing vector values...</span> | |
| 588 <a name="StringifyPseudoHeap-"></a> 575 <span class="k">sub </span><span class="m">StringifyPseudoHeap</span> <span class="s">{</span> | |
| 589 576 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 590 577 <span class="k">my</span><span class="s">(</span><span class="i">$PseudoHeapString</span><span class="cm">,</span> <span class="i">$Key</span><span class="cm">,</span> <span class="i">$Value</span><span class="cm">,</span> <span class="i">$KeyValuesString</span><span class="cm">,</span> <span class="i">@KeysAndValues</span><span class="s">)</span><span class="sc">;</span> | |
| 591 578 | |
| 592 579 <span class="i">$PseudoHeapString</span> = <span class="q">"PseudoHeap: Type: "</span> . <span class="i">$This</span><span class="i">->GetType</span><span class="s">(</span><span class="s">)</span> . <span class="q">"; KeyType: "</span> . <span class="i">$This</span><span class="i">->GetKeyType</span><span class="s">(</span><span class="s">)</span> . <span class="q">"; MaxSize: $This->{MaxSize}; CurrentSize: $This->{CurrentSize}; MinKey: "</span> . <span class="i">$This</span><span class="i">->GetMinKey</span><span class="s">(</span><span class="s">)</span> . <span class="q">"; MaxKey: "</span> . <span class="i">$This</span><span class="i">->GetMaxKey</span><span class="s">(</span><span class="s">)</span> . <span class="q">"; NumOfUniqueKeys: $This->{KeysCount}"</span><span class="sc">;</span> | |
| 593 580 | |
| 594 581 <span class="i">@KeysAndValues</span> = <span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 595 582 <span class="k">for</span> <span class="i">$Key</span> <span class="s">(</span><span class="i">$This</span><span class="i">->GetSortedKeys</span><span class="s">(</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span> | |
| 596 583 <span class="k">for</span> <span class="i">$Value</span> <span class="s">(</span><span class="i">$This</span><span class="i">->GetKeyValues</span><span class="s">(</span><span class="i">$Key</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span> | |
| 597 584 <span class="k">push</span> <span class="i">@KeysAndValues</span><span class="cm">,</span> <span class="q">"$Key - $Value"</span><span class="sc">;</span> | |
| 598 585 <span class="s">}</span> | |
| 599 586 <span class="s">}</span> | |
| 600 587 <span class="k">if</span> <span class="s">(</span><span class="i">@KeysAndValues</span><span class="s">)</span> <span class="s">{</span> | |
| 601 588 <span class="i">$KeyValuesString</span> = <span class="i">TextUtil::JoinWords</span><span class="s">(</span>\<span class="i">@KeysAndValues</span><span class="cm">,</span> <span class="q">"; "</span><span class="cm">,</span> <span class="n">0</span><span class="s">)</span><span class="sc">;</span> | |
| 602 589 <span class="s">}</span> | |
| 603 590 <span class="k">else</span> <span class="s">{</span> | |
| 604 591 <span class="i">$KeyValuesString</span> = <span class="q">"None"</span><span class="sc">;</span> | |
| 605 592 <span class="s">}</span> | |
| 606 593 | |
| 607 594 <span class="i">$PseudoHeapString</span> .= <span class="q">"; Sorted Key - Value pairs: [$KeyValuesString]"</span><span class="sc">;</span> | |
| 608 595 | |
| 609 596 <span class="k">return</span> <span class="i">$PseudoHeapString</span><span class="sc">;</span> | |
| 610 597 <span class="s">}</span> | |
| 611 598 | |
| 612 <a name="EOF-"></a></pre> | |
| 613 <p> </p> | |
| 614 <br /> | |
| 615 <center> | |
| 616 <img src="../../../images/h2o2.png"> | |
| 617 </center> | |
| 618 </body> | |
| 619 </html> |