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<?php
$index_data = "/* This is a generated file, do not modify */\n";
$header_data = '';
$data = '';
/* Grab version info */
$version_info = file( 'version-info.txt' );
$version = trim( $version_info[1] );
$idx_entries = count( file( 'timezonedb.idx' ) ) - 5;
$index_data .= "const timelib_tzdb_index_entry timezonedb_idx_builtin[{$idx_entries}] = {\n";
$index_data .= file_get_contents( 'timezonedb.idx' );
$index_data .= "};\n";
$index = include 'timezonedb.idx.php';
$dta = file_get_contents('timezonedb.dta');
$dta_l = strlen($dta);
$legacy_dta_l = $dta_l;
$j = 0;
$ascii = '';
for ($i = 0; $i < $dta_l; $i++)
{
if ( array_key_exists( $i, $index ) )
{
/* Find marker for V2 fields */
$v2 = strpos( $dta, "TZif", $i );
/* Find end of data */
$endOfData = $i + $index[$i]['v2end'];
$legacy_dta_l -= ( $endOfData - $v2 );
if ( $i != 0 && $ascii !== '' )
{
$data .= str_repeat( ' ', 6 * ( 16 - ( $j % 16 ) ) );
$data .= " /* {$ascii} */\n";
}
$data .= "\n\n/* {$index[$i]['key']} */\n";
$j = 0; $ascii = '';
echo ".";
}
if ($j % 16 != 0) {
$data .= " ";
}
$char = ord( $dta[$i] );
$data .= sprintf( "0x%02X,", $char );
if ( isset( $argv[1] ) && $argv[1] == 'debug' )
{
$ascii .= ($char >= 32 && $char != 47 && $char < 127) ? sprintf( "%c", $char ) : '.';
}
if ( $j % 16 == 15 )
{
if ( $ascii !== '' )
{
$data .= " /* {$ascii} */\n";
}
else
{
$data .= "\n";
}
$ascii = '';
}
$j++;
if ( $i + 1 == $v2 )
{
if ( $ascii !== '' )
{
$data .= str_repeat( ' ', 6 * ( 16 - ( $j % 16 ) ) );
$data .= " /* {$ascii} */\n";
}
else if ( $j % 16 != 0 )
{
$data .= "\n";
}
$ascii = '';
$data .= "#ifdef TIMELIB_SUPPORTS_V2DATA\n";
$j = 0;
}
if ( $i + 1 == $endOfData )
{
if ( $ascii !== '' )
{
$data .= str_repeat( ' ', 6 * ( 16 - ( $j % 16 ) ) );
$data .= " /* {$ascii} */\n";
}
else if ( $j % 16 != 0 )
{
$data .= "\n";
}
$ascii = '';
$data .= "#endif\n";
$j = 0;
}
}
$data .= "};\n";
echo "\n";
$data .= "\n";
$header_data .= "#ifdef TIMELIB_SUPPORTS_V2DATA\n" .
"const unsigned char timelib_timezone_db_data_builtin[$dta_l] = {\n" .
"#else\n" .
"const unsigned char timelib_timezone_db_data_builtin[$legacy_dta_l] = {\n" .
"#endif\n";
$footer_data .= "const timelib_tzdb timezonedb_builtin = { \"{$version}\", {$idx_entries}, timezonedb_idx_builtin, timelib_timezone_db_data_builtin };\n";
file_put_contents( 'timezonedb.h', $index_data . $header_data . $data . $footer_data );
?>
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