author | William Roberts <williamr@symbian.org> |
Mon, 08 Mar 2010 21:45:11 +0000 | |
branch | CompilerCompatibility |
changeset 7 | 3969f087709d |
parent 0 | 1fb32624e06b |
child 16 | 56cd22a7a1cb |
permissions | -rw-r--r-- |
0
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# |
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# Copyright (c) 1997-2000 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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use integer; |
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|
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package WRITER; |
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require Exporter; |
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@WRITER::ISA=qw(Exporter); |
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@WRITER::EXPORT=qw(write8 write16 write32 writePositiveIntegerCompacted15 writePositiveIntegerCompacted30 writeSignedIntegerCompacted29 writeString writeUids); |
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|
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sub write8 |
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{ |
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my $fileHandle=shift; |
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my $integer=shift; |
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if ($integer&0xffffff00) |
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{ |
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die("Error: the integer ".sprintf("0x%08x", $integer)." is too large to write into 8 bits\n"); |
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} |
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printf $fileHandle "%c", $integer; |
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} |
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35 |
|
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sub write16 # little-endian |
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{ |
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my $fileHandle=shift; |
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my $integer=shift; |
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if ($integer&0xffff0000) |
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{ |
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die("Error: the integer ".sprintf("0x%08x", $integer)." is too large to write into 8 bits\n"); |
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} |
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&write8($fileHandle, $integer&0x000000ff); |
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&write8($fileHandle, ($integer>>8)&0x000000ff); |
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} |
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|
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sub write32 # little-endian |
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{ |
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my $fileHandle=shift; |
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my $integer=shift; |
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&write8($fileHandle, $integer&0x000000ff); |
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&write8($fileHandle, ($integer>>8)&0x000000ff); |
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&write8($fileHandle, ($integer>>16)&0x000000ff); |
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&write8($fileHandle, ($integer>>24)&0x000000ff); |
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} |
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|
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sub writePositiveIntegerCompacted15 # big-endian |
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{ |
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my $fileHandle=shift; |
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my $integer=shift; |
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if ($integer<0) |
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{ |
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die("Error: the integer ".sprintf("0x%08x", $integer)." is negative\n"); |
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} |
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if ($integer<0x00000080) |
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{ |
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&write8($fileHandle, $integer); |
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} |
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elsif ($integer<0x00008000) |
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{ |
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&write8($fileHandle, 0x00000080|(($integer>>8)&0x0000007f)); |
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&write8($fileHandle, $integer&0x000000ff); |
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} |
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else |
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{ |
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die("Error: the integer ".sprintf("0x%08x", $integer)." is too large to write into 15 bits\n"); |
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} |
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} |
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|
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sub writePositiveIntegerCompacted30 # big-endian |
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{ |
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my $fileHandle=shift; |
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my $integer=shift; |
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if ($integer<0) |
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86 |
{ |
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die("Error: the integer ".sprintf("0x%08x", $integer)." is negative\n"); |
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88 |
} |
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if ($integer<0x00000080) |
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90 |
{ |
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&write8($fileHandle, $integer); |
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92 |
} |
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elsif ($integer<0x00004000) |
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94 |
{ |
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&write8($fileHandle, 0x00000080|(($integer>>8)&0x0000003f)); |
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&write8($fileHandle, $integer&0x000000ff); |
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97 |
} |
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elsif ($integer<0x40000000) |
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99 |
{ |
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&write8($fileHandle, 0x000000c0|(($integer>>24)&0x0000003f)); |
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&write8($fileHandle, ($integer>>16)&0x000000ff); |
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&write8($fileHandle, ($integer>>8)&0x000000ff); |
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103 |
&write8($fileHandle, $integer&0x000000ff); |
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104 |
} |
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105 |
else |
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106 |
{ |
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die("Error: the integer ".sprintf("0x%08x", $integer)." is too large to write into 30 bits\n"); |
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108 |
} |
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} |
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110 |
|
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sub writeSignedIntegerCompacted29 # big-endian |
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112 |
{ |
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my $fileHandle=shift; |
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my $integer=shift; |
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my $negativeFlag=0x00000000; |
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if ($integer<0) |
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117 |
{ |
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$negativeFlag=0x00000080; |
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if (($integer^-$integer)==0) |
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120 |
{ |
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die("Error: the integer ".sprintf("0x%08x", $integer)." is too large to write into 29 bits\n"); |
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} |
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$integer=-$integer; |
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} |
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if ($integer<0x00000040) |
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126 |
{ |
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&write8($fileHandle, $negativeFlag|$integer); |
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} |
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elsif ($integer<0x00002000) |
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130 |
{ |
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&write8($fileHandle, $negativeFlag|0x00000040|(($integer>>8)&0x0000001f)); |
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&write8($fileHandle, $integer&0x000000ff); |
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} |
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elsif ($integer<0x20000000) |
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135 |
{ |
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&write8($fileHandle, $negativeFlag|0x00000060|(($integer>>24)&0x0000001f)); |
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&write8($fileHandle, ($integer>>16)&0x000000ff); |
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&write8($fileHandle, ($integer>>8)&0x000000ff); |
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&write8($fileHandle, $integer&0x000000ff); |
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} |
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|
141 |
else |
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|
142 |
{ |
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die("Error: the integer ".sprintf("0x%08x", $integer)." is too large to write into 30 bits\n"); |
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} |
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} |
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|
146 |
|
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sub writeString |
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{ |
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my $fileHandle=shift; |
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my $string=shift; |
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my $lengthOfString=length($string); |
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my $i; |
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for ($i=0; $i<$lengthOfString; ++$i) |
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154 |
{ |
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my $byteAsNumber; |
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($byteAsNumber)=unpack("C", substr($string, $i, 1)); |
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157 |
&write8($fileHandle, $byteAsNumber); |
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|
158 |
} |
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|
159 |
} |
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|
160 |
|
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161 |
sub writeUids |
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|
162 |
{ |
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|
163 |
my $fileHandle=shift; |
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|
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my $uid1=shift; |
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|
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my $uid2=shift; |
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|
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my $uid3=shift; |
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|
167 |
use Cwd; |
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|
168 |
my $uidsin = sprintf("0x%08x 0x%08x 0x%08x ", $uid1, $uid2, $uid3); |
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|
169 |
my $uidsout = `UIDCRC.EXE $uidsin` |
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Revision: 201003
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|
170 |
or die('Error: could not run UIDCRC'); |
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Revision: 201003
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|
171 |
die ('Did not understand output of UIDCRC') |
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Revision: 201003
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|
172 |
unless $uidsout =~ /^0x([0-9a-fA-F]{8}) 0x([0-9a-fA-F]{8}) 0x([0-9a-fA-F]{8}) 0x([0-9a-fA-F]{8})[ \n\r\t]*$/s; |
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Revision: 201003
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|
173 |
my $uidCrcBinaryBuffer = pack 'V4', hex($1), hex($2), hex($3), hex($4); |
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Revision: 201003
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|
174 |
&writeString($fileHandle, $uidCrcBinaryBuffer); |
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Revision: 201003
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|
175 |
} |
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Revision: 201003
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diff
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|
176 |