author | fimarlaht2 <> |
Tue, 07 Sep 2010 14:11:58 +0300 | |
branch | NewGraphicsArchitecture |
changeset 170 | c794569c62b8 |
parent 0 | 5d03bc08d59c |
permissions | -rw-r--r-- |
0
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# Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies). |
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# All rights reserved. |
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# This component and the accompanying materials are made available |
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# under the terms of "Eclipse Public License v1.0" |
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# which accompanies this distribution, and is available |
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# at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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# |
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# Initial Contributors: |
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# Nokia Corporation - initial contribution. |
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# |
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# Contributors: |
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# |
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# Description: |
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# |
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|
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use strict; |
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|
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## Used as global variables, probably need to change and pass variables through as parameters. |
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my %globalValues=(); |
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##initialise filenames |
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$globalValues{'inputFile'} = 'mglyphs.txt'; |
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$globalValues{'outputFileName'} = 'mglyphs.inl'; |
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$globalValues{'htmlFileName'} = 'mglyphs.html'; |
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$globalValues{'lgtablesize'} = 9; # Default tablesize value is 512 |
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$globalValues{'tablesize'} = 1 << $globalValues{'lgtablesize'}; |
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$globalValues{'storeashex'} = 0; |
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$globalValues{'stepOffset'} = 72; |
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$globalValues{'stepShift'} = 0; |
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|
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## die if the correct number of argumements have not been entered |
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&extractFlags(\@ARGV, \%globalValues); |
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&printDebug("Remainder:$globalValues{'tablesize'}\n"); |
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&printDebug("StoreAsHex:$globalValues{'storeashex'}\n"); |
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|
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if ($globalValues{"information"}) |
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{ |
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&dieShowingUsage(); |
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} |
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|
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&printDebug("Creating HashTable....\n"); |
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my %hashTable = &createHashTable($globalValues{'inputFile'}); |
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if (!defined(%hashTable)) |
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{ |
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die("ERROR: Hash table was not created\n"); |
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} |
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if ($globalValues{"outputtohtml"}) |
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{ |
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my $htmlFileName = $globalValues{'htmlFileName'}; |
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&printDebug("Creating HTML output to file: $htmlFileName\n"); |
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&createHTMLOfMappings($htmlFileName, %hashTable); |
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} |
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my $outputFileName = $globalValues{'outputFileName'}; |
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&printDebug("Writing Hash table to file: $outputFileName\n"); |
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&writeHashTableToFile($outputFileName, %hashTable); |
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&printDebug("$outputFileName created."); |
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|
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##################### end of main section |
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sub extractFlags |
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{ |
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my $aArgumentArray=shift; |
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my $aArguments=shift; |
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my $expectedArg = 'lgtablesize'; |
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my $expectedExtension; |
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foreach my $argument (@$aArgumentArray) |
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{ |
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if ($argument =~ m!^[-/]([a-zA-Z].*)$!) |
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{ |
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my $switch = $1; |
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$expectedArg = 'lgtablesize'; |
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$expectedExtension = undef; |
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if ($switch=~/^(x|hexoutput)$/i) |
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{ |
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$$aArguments{'storeashex'}=1; |
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} |
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elsif ($switch=~/^(\?|help)$/i) |
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{ |
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$$aArguments{'information'}=1; |
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} |
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elsif ($switch=~/^(v|verbose)$/i) |
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{ |
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$$aArguments{'verbose'}=1; |
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} |
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elsif ($switch=~/^(h|outputtohtml)$/i) |
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{ |
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$$aArguments{'outputtohtml'}=1; |
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$expectedArg = 'htmlFileName'; |
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$expectedExtension = '.html'; |
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} |
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elsif ($switch=~/^(i|input)$/i) |
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{ |
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$expectedArg = 'inputFile'; |
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} |
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elsif ($switch=~/^(o|output)$/i) |
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{ |
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$expectedArg = 'outputFileName'; |
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$expectedExtension = '.inl'; |
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} |
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elsif ($switch=~/^(offset)$/i) |
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{ |
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$expectedArg = 'stepOffset'; |
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} |
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elsif ($switch=~/^(shift)$/i) |
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103 |
{ |
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104 |
$expectedArg = 'stepShift'; |
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105 |
} |
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106 |
} |
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107 |
else |
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108 |
{ |
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109 |
if (defined $expectedExtension && $argument !~ m!\.[^/\\]*$!) |
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110 |
{ |
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|
111 |
$argument .= $expectedExtension; |
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112 |
} |
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113 |
$$aArguments{$expectedArg} = $argument; |
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114 |
$expectedArg = 'lgtablesize'; |
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115 |
} |
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116 |
} |
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117 |
$globalValues{'tablesize'} = 1 << $globalValues{'lgtablesize'}; |
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118 |
$globalValues{'stepOffset'} &= 0xFFFFFE; |
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119 |
} |
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120 |
##################### |
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121 |
sub dieShowingUsage |
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122 |
{ |
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123 |
print <<USAGE_EOF; |
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124 |
|
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125 |
Usage: |
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126 |
|
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127 |
perl -w mglyphtool.pl [-?] [<lg-table-size>] [-x] [-i <input-file-name>] |
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128 |
[-o <output-file-name>] [-h [<output-html-file-name]] |
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129 |
[-offset <value-for-offset>] [-shift <value-for-shift>] |
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130 |
|
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131 |
<lg-table-size> the default log(base 2) table size is 9. This gives a table |
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132 |
size of 512 entries (2 to the power 9). So 7 gives a size of 128, 8 gives |
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133 |
256, 9 gives 512, 10 gives 1024 and so on. |
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134 |
|
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135 |
options: -x -o -i -h |
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136 |
|
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137 |
-? Shows help |
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138 |
|
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139 |
The -x flag stores values into the .inl file in hex format: |
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140 |
hex(OriginalKeyCodeMirrorGlyphCode), |
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141 |
By default the values are stored in string hex format i.e 0x220C2209 |
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142 |
|
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143 |
The -h flag generates a html file displaying hash table information. |
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144 |
This may be followed by the filename to be output. |
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145 |
Default is 'mglyphs.html' |
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146 |
|
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147 |
The -i file specifies input file name. Default is 'mglyphs.txt'. |
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148 |
|
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149 |
The -o file specifies output file name. Default is 'mglyphs.inl'. |
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150 |
|
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151 |
-shift and -offset alter the "step" hash algorithm. |
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152 |
|
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153 |
USAGE_EOF |
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154 |
exit 0; |
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155 |
} |
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156 |
######### |
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157 |
# |
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158 |
# Writes a hash table to file. |
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|
159 |
# Current format: |
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160 |
# Hex mode: "hex number created" |
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161 |
# Hex string mode: "Original keyMapped key" |
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162 |
##################### |
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163 |
sub writeHashTableToFile |
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164 |
{ |
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165 |
&printDebug("Writing to .inl file"); |
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|
166 |
my ($aOutputFileName, %aHashTable) = @_; |
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|
167 |
open(OUTPUT_FILE, '> ' . $aOutputFileName) or die('Error: could not open $aOutputFileName to write to\n'); |
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|
168 |
## Print comments at top of .inl file |
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|
169 |
printf(OUTPUT_FILE "\/\/ mGlyphs.inl\n"); |
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|
170 |
printf(OUTPUT_FILE "\/\/\n"); |
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|
171 |
printf(OUTPUT_FILE "\/\/ Generated by mglyphtool.pl from '$globalValues{'inputFile'}'\n"); |
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|
172 |
printf(OUTPUT_FILE "\/\/\n\n"); |
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|
173 |
## Declare array and fill in values |
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|
174 |
printf(OUTPUT_FILE "const unsigned long mGlyphArray[] = {\n\t"); |
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|
175 |
for (my $counter = 0; $counter < $globalValues{'tablesize'}; $counter++) |
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|
176 |
{ |
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|
177 |
my $storeValue = "00000000"; |
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|
178 |
if (defined($aHashTable{$counter})) |
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|
179 |
{ |
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|
180 |
$storeValue = $aHashTable{$counter}; |
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181 |
} |
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|
182 |
$storeValue = ($globalValues{'storeashex'}) ? hex($storeValue) : "0x$storeValue"; |
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|
183 |
print OUTPUT_FILE $storeValue; |
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|
184 |
if (($counter+1) < $globalValues{'tablesize'}) |
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|
185 |
{ |
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|
186 |
print OUTPUT_FILE (($counter + 1) % 8 == 0? ",\n\t" : ', '); |
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|
187 |
} |
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|
188 |
} |
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|
189 |
print(OUTPUT_FILE "};\n"); |
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|
190 |
print(OUTPUT_FILE "\nconst int KLgMirrorTableSize=$globalValues{'lgtablesize'};\n"); |
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|
191 |
print(OUTPUT_FILE "const int KMirrorTableSize=$globalValues{'tablesize'};\n"); |
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|
192 |
# Inline functions |
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Revision: 201003
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|
193 |
# Get a Hash value from a given key |
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|
194 |
print(OUTPUT_FILE "\n// Returns the first index to probe for character aKey.\n"); |
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|
195 |
print(OUTPUT_FILE "inline long MirrorStart(long aKey)\n"); |
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|
196 |
print(OUTPUT_FILE "\t{ return aKey \& (KMirrorTableSize-1); }\n"); |
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|
197 |
print(OUTPUT_FILE "\n// Returns the offset for further probes for character aKey.\n"); |
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|
198 |
print(OUTPUT_FILE "inline long MirrorStep(long aKey)\n"); |
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Revision: 201003
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|
199 |
my $stepShift = $globalValues{'stepShift'}; |
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|
200 |
print(OUTPUT_FILE "\t{ return ("); |
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|
201 |
if ($stepShift == 0) |
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|
202 |
{ |
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|
203 |
print(OUTPUT_FILE "aKey"); |
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|
204 |
} |
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diff
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205 |
elsif (0 < $stepShift) |
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206 |
{ |
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|
207 |
print(OUTPUT_FILE "(aKey >> $stepShift)"); |
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208 |
} |
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209 |
else |
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210 |
{ |
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|
211 |
$stepShift = -$stepShift; |
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|
212 |
print(OUTPUT_FILE "(aKey << $stepShift)"); |
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213 |
} |
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|
214 |
print(OUTPUT_FILE " | 1) + $globalValues{'stepOffset'}; }\n\n"); |
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|
215 |
|
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|
216 |
close(OUTPUT_FILE); |
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|
217 |
} |
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|
218 |
##################### listing of hash indexes values for original and mirrored glyphs |
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|
219 |
sub createHTMLOfMappings |
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|
220 |
{ |
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|
221 |
my ($aOutputFileName, %aHashTable )= @_; |
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open(OUTPUT_FILE, '> ' . $aOutputFileName) or die('Error: could not open $aOutputFileName to create HTML output'); |
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|
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printf(OUTPUT_FILE "<HTML><HEAD><TITLE>MirrorGlyph Hash Output<\/TITLE><\/HEAD><BODY>"); |
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|
224 |
## print hash table details |
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225 |
printf(OUTPUT_FILE "<P>Values in hash Table - <B>(Hash Function: Key mod $globalValues{'tablesize'})<\/B><\/P><TABLE border=1>"); |
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printf(OUTPUT_FILE "<TR><TD><B>---<\/B><\/TD><TD BGCOLOR=\#8888FF><B>Character code:<\/B><\/TD><TD><B>Hash Index:<\/B><\/TD><TD BGCOLOR=\#8888FF><B>Mirror Glyph Value:<\/B><\/TD><TD><b>Search Jump Count<\/b>"); |
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|
227 |
my %keySet; |
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|
228 |
foreach my $value (values %aHashTable) |
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|
229 |
{ |
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230 |
$keySet{&getLower(hex $value)} = 1; |
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|
231 |
} |
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|
232 |
foreach my $key (32..127) |
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|
233 |
{ |
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|
234 |
$keySet{$key} = 1; |
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|
235 |
} |
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|
236 |
my @keys = sort {$a <=> $b} (keys %keySet); |
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|
237 |
foreach my $key (@keys) |
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|
238 |
{ |
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|
239 |
my $counter = 0; |
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|
240 |
my $HKey = &findHashTableIndex($key, \$counter, \%aHashTable); |
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|
241 |
my $stored = $aHashTable{$HKey}; |
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|
242 |
my $storedValue = 'no change'; |
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|
243 |
my $storedKey = $key; |
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|
244 |
if (defined $stored) |
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|
245 |
{ |
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|
246 |
$storedValue = sprintf('%02x', &getLower(hex $stored)); |
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Revision: 201003
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|
247 |
$storedKey = &getUpper(hex $stored); |
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|
248 |
} |
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|
249 |
if ($storedKey) |
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|
250 |
{ |
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Revision: 201003
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|
251 |
die('incorrect key found in hash table') unless ($storedKey == $key); |
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Revision: 201003
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|
252 |
printf(OUTPUT_FILE "<TR><TD>---<\/TD><TD BGCOLOR=\#8888FF><B>%02x<\/B><\/TD><TD>%02x<\/TD><TD BGCOLOR=\#8888FF><B>%s<\/B><\/TD><TD>%d<\/TD><\/TR>", $key, $HKey, $storedValue, $counter); |
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|
253 |
} |
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Revision: 201003
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|
254 |
} |
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Revision: 201003
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|
255 |
printf(OUTPUT_FILE "<\/TABLE>"); |
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Revision: 201003
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|
256 |
printf(OUTPUT_FILE "<\/BODY><\/HTML>"); |
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Revision: 201003
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|
257 |
close(OUTPUT_FILE); |
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Revision: 201003
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|
258 |
} |
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Revision: 201003
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|
259 |
##################### |
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Revision: 201003
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diff
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|
260 |
# Hash Table functions |
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Revision: 201003
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|
261 |
##################### |
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Revision: 201003
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diff
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|
262 |
|
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Revision: 201003
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|
263 |
##################### |
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Revision: 201003
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diff
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|
264 |
#Returns a new Hash Table |
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Revision: 201003
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|
265 |
##################### |
5d03bc08d59c
Revision: 201003
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|
266 |
sub createHashTable |
5d03bc08d59c
Revision: 201003
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|
267 |
{ |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
268 |
my $aInputFileName = shift; |
5d03bc08d59c
Revision: 201003
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diff
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|
269 |
my $lineNumber = 1; |
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Revision: 201003
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parents:
diff
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|
270 |
my %newHashTable = (); |
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Revision: 201003
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diff
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|
271 |
open(INPUT_FILE, '< ' . $aInputFileName) or die('ERROR: Could not open $aInputFileName to read from'); |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
272 |
while (my $line=<INPUT_FILE>) |
5d03bc08d59c
Revision: 201003
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|
273 |
{ |
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Revision: 201003
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parents:
diff
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|
274 |
if ($line=~/^(.*);\s(.*\w)\s\W.*$/) ## Grab Original glyph value and mirrored glyph value |
5d03bc08d59c
Revision: 201003
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|
275 |
{ |
5d03bc08d59c
Revision: 201003
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parents:
diff
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|
276 |
&updateHashTable($1, $2, \%newHashTable); |
5d03bc08d59c
Revision: 201003
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parents:
diff
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|
277 |
} |
5d03bc08d59c
Revision: 201003
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parents:
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|
278 |
$lineNumber++; |
5d03bc08d59c
Revision: 201003
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diff
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|
279 |
} |
5d03bc08d59c
Revision: 201003
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parents:
diff
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|
280 |
close(INPUT_FILE); |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
281 |
return %newHashTable; |
5d03bc08d59c
Revision: 201003
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diff
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|
282 |
} |
5d03bc08d59c
Revision: 201003
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diff
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|
283 |
##################### |
5d03bc08d59c
Revision: 201003
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diff
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|
284 |
# |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
285 |
# Retrieves a HashKey which is not currently being used in a given HashTable |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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|
286 |
# |
5d03bc08d59c
Revision: 201003
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|
287 |
##################### |
5d03bc08d59c
Revision: 201003
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diff
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|
288 |
sub findHashTableIndex |
5d03bc08d59c
Revision: 201003
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parents:
diff
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|
289 |
{ |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
290 |
my ($aHashKey, $aCounter, $aHashTable) = @_; |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
291 |
my $current = &hashFunction($aHashKey); |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
292 |
my $step = &hashStepFunction($aHashKey); |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
293 |
my $tableSize = $globalValues{'tablesize'}; |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
294 |
while (defined($$aHashTable{$current}) && &getUpper(hex($$aHashTable{$current})) != $aHashKey) |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
295 |
{ |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
296 |
++$$aCounter; |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
297 |
$current += $step; |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
298 |
$current &= $tableSize - 1; |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
299 |
} |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
300 |
if (2 < $$aCounter) |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
301 |
{ |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
302 |
printf STDERR ("WARNING: Jumped $$aCounter times, inefficient hash for %02x ($current, $step)\n", $aHashKey); |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
303 |
} |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
304 |
return $current; |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
305 |
} |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
306 |
|
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##################### |
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sub updateHashTable |
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{ |
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my ($aKey, $aValueToStore, $aHashTable) = @_; |
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my $counter = 0; |
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my $key = hex($aKey); |
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my $hashKey = &findHashTableIndex($key, \$counter, $aHashTable); |
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$$aHashTable{$hashKey} = "$aKey$aValueToStore"; |
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return $hashKey; |
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} |
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##################### |
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# Returns a hash key for a given key |
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# Currently using a simple hash function |
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##################### |
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sub hashFunction |
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{ |
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my $aKey = shift; |
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return $aKey & ($globalValues{'tablesize'}-1); |
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} |
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|
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# Returns second hash value: used for the step size |
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sub hashStepFunction |
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{ |
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my $aKey = shift; |
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my $stepShift = $globalValues{'stepShift'}; |
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if ($stepShift < 0) |
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{ |
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$aKey <<= -$stepShift; |
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} |
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elsif (0 < $stepShift) |
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{ |
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$aKey >>= $stepShift; |
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} |
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return ($aKey | 1) + $globalValues{'stepOffset'}; |
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} |
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|
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##################### |
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# Utility functions |
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##################### |
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sub getLower |
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{ |
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my $aValue = shift; |
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return $aValue & hex("0000FFFF"); |
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} |
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sub getUpper |
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{ |
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my $aValue = shift; |
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return ($aValue & hex("FFFF0000")) >> 16; |
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} |
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sub printDebug |
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{ |
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my $string = shift; |
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if ($globalValues{'verbose'}) |
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{ |
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print $string; |
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} |
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} |
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364 |