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synced 2025-08-05 08:17:47 +02:00
[feature/patchwork-utf8] Normalize with intl, use patchwork/utf8 as fallback
This commit is contained in:
Nicolas Grekas
@@ -32,262 +32,11 @@ $phpbb_root_path = '../';
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$phpEx = substr(strrchr(__FILE__, '.'), 1);
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echo "Checking for required files\n";
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download('http://www.unicode.org/Public/UNIDATA/CompositionExclusions.txt');
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download('http://www.unicode.org/Public/UNIDATA/DerivedNormalizationProps.txt');
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download('http://www.unicode.org/Public/UNIDATA/UnicodeData.txt');
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echo "\n";
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require_once($phpbb_root_path . 'includes/utf/utf_normalizer.' . $phpEx);
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$file_contents = array();
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/**
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* Generate some Hangul/Jamo stuff
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*/
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echo "\nGenerating Hangul and Jamo tables\n";
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for ($i = 0; $i < UNICODE_HANGUL_LCOUNT; ++$i)
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{
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$utf_char = cp_to_utf(UNICODE_HANGUL_LBASE + $i);
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$file_contents['utf_normalizer_common']['utf_jamo_index'][$utf_char] = $i * UNICODE_HANGUL_VCOUNT * UNICODE_HANGUL_TCOUNT + UNICODE_HANGUL_SBASE;
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$file_contents['utf_normalizer_common']['utf_jamo_type'][$utf_char] = UNICODE_JAMO_L;
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}
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for ($i = 0; $i < UNICODE_HANGUL_VCOUNT; ++$i)
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{
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$utf_char = cp_to_utf(UNICODE_HANGUL_VBASE + $i);
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$file_contents['utf_normalizer_common']['utf_jamo_index'][$utf_char] = $i * UNICODE_HANGUL_TCOUNT;
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$file_contents['utf_normalizer_common']['utf_jamo_type'][$utf_char] = UNICODE_JAMO_V;
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}
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for ($i = 0; $i < UNICODE_HANGUL_TCOUNT; ++$i)
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{
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$utf_char = cp_to_utf(UNICODE_HANGUL_TBASE + $i);
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$file_contents['utf_normalizer_common']['utf_jamo_index'][$utf_char] = $i;
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$file_contents['utf_normalizer_common']['utf_jamo_type'][$utf_char] = UNICODE_JAMO_T;
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}
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/**
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* Load the CompositionExclusions table
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*/
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echo "Loading CompositionExclusion\n";
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$fp = fopen('CompositionExclusions.txt', 'rt');
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$exclude = array();
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while (!feof($fp))
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{
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$line = fgets($fp, 1024);
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if (!strpos(' 0123456789ABCDEFabcdef', $line[0]))
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{
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continue;
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}
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$cp = strtok($line, ' ');
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if ($pos = strpos($cp, '..'))
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{
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$start = hexdec(substr($cp, 0, $pos));
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$end = hexdec(substr($cp, $pos + 2));
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for ($i = $start; $i < $end; ++$i)
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{
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$exclude[$i] = 1;
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}
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}
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else
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{
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$exclude[hexdec($cp)] = 1;
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}
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}
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fclose($fp);
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/**
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* Load QuickCheck tables
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*/
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echo "Generating QuickCheck tables\n";
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$fp = fopen('DerivedNormalizationProps.txt', 'rt');
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while (!feof($fp))
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{
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$line = fgets($fp, 1024);
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if (!strpos(' 0123456789ABCDEFabcdef', $line[0]))
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{
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continue;
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}
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$p = array_map('trim', explode(';', strtok($line, '#')));
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/**
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* Capture only NFC_QC, NFKC_QC
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*/
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if (!preg_match('#^NFK?C_QC$#', $p[1]))
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{
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continue;
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}
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if ($pos = strpos($p[0], '..'))
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{
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$start = hexdec(substr($p[0], 0, $pos));
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$end = hexdec(substr($p[0], $pos + 2));
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}
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else
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{
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$start = $end = hexdec($p[0]);
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}
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if ($start >= UTF8_HANGUL_FIRST && $end <= UTF8_HANGUL_LAST)
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{
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/**
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* We do not store Hangul syllables in the array
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*/
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continue;
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}
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if ($p[2] == 'M')
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{
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$val = UNICODE_QC_MAYBE;
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}
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else
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{
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$val = UNICODE_QC_NO;
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}
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if ($p[1] == 'NFKC_QC')
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{
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$file = 'utf_nfkc_qc';
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}
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else
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{
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$file = 'utf_nfc_qc';
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}
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for ($i = $start; $i <= $end; ++$i)
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{
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/**
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* The vars have the same name as the file: $utf_nfc_qc is in utf_nfc_qc.php
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*/
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$file_contents[$file][$file][cp_to_utf($i)] = $val;
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}
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}
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fclose($fp);
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/**
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* Do mappings
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*/
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echo "Loading Unicode decomposition mappings\n";
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$fp = fopen($phpbb_root_path . 'develop/UnicodeData.txt', 'rt');
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$map = array();
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while (!feof($fp))
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{
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$p = explode(';', fgets($fp, 1024));
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$cp = hexdec($p[0]);
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if (!empty($p[3]))
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{
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/**
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* Store combining class > 0
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*/
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$file_contents['utf_normalizer_common']['utf_combining_class'][cp_to_utf($cp)] = (int) $p[3];
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}
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if (!isset($p[5]) || !preg_match_all('#[0-9A-F]+#', strip_tags($p[5]), $m))
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{
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continue;
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}
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if (strpos($p[5], '>'))
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{
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$map['NFKD'][$cp] = implode(' ', array_map('hexdec', $m[0]));
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}
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else
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{
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$map['NFD'][$cp] = $map['NFKD'][$cp] = implode(' ', array_map('hexdec', $m[0]));
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}
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}
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fclose($fp);
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/**
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* Build the canonical composition table
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*/
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echo "Generating the Canonical Composition table\n";
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foreach ($map['NFD'] as $cp => $decomp_seq)
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{
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if (!strpos($decomp_seq, ' ') || isset($exclude[$cp]))
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{
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/**
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* Singletons are excluded from canonical composition
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*/
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continue;
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}
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$utf_seq = implode('', array_map('cp_to_utf', explode(' ', $decomp_seq)));
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if (!isset($file_contents['utf_canonical_comp']['utf_canonical_comp'][$utf_seq]))
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{
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$file_contents['utf_canonical_comp']['utf_canonical_comp'][$utf_seq] = cp_to_utf($cp);
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}
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}
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/**
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* Decompose the NF[K]D mappings recursively and prepare the file contents
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*/
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echo "Generating the Canonical and Compatibility Decomposition tables\n\n";
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foreach ($map as $type => $decomp_map)
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{
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foreach ($decomp_map as $cp => $decomp_seq)
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{
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$decomp_map[$cp] = decompose($decomp_map, $decomp_seq);
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}
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unset($decomp_seq);
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if ($type == 'NFKD')
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{
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$file = 'utf_compatibility_decomp';
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$var = 'utf_compatibility_decomp';
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}
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else
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{
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$file = 'utf_canonical_decomp';
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$var = 'utf_canonical_decomp';
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}
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/**
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* Generate the corresponding file
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*/
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foreach ($decomp_map as $cp => $decomp_seq)
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{
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$file_contents[$file][$var][cp_to_utf($cp)] = implode('', array_map('cp_to_utf', explode(' ', $decomp_seq)));
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}
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}
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/**
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* Generate and/or alter the files
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*/
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foreach ($file_contents as $file => $contents)
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{
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/**
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* Generate a new file
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*/
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echo "Writing to $file.$phpEx\n";
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if (!$fp = fopen($phpbb_root_path . 'includes/utf/data/' . $file . '.' . $phpEx, 'wb'))
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{
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trigger_error('Cannot open ' . $file . ' for write');
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}
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fwrite($fp, '<?php');
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foreach ($contents as $var => $val)
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{
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fwrite($fp, "\n\$GLOBALS[" . my_var_export($var) . ']=' . my_var_export($val) . ";");
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}
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fclose($fp);
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}
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echo "\n*** UTF-8 normalization tables done\n\n";
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/**
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* Now we'll generate the files needed by the search indexer
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* Generate the files needed by the search indexer
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*/
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echo "Generating search indexer tables\n";
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@@ -424,32 +173,6 @@ die("\nAll done!\n");
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// Internal functions //
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////////////////////////////////////////////////////////////////////////////////
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/**
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* Decompose a sequence recusively
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*
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* @param array $decomp_map Decomposition mapping, passed by reference
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* @param string $decomp_seq Decomposition sequence as decimal codepoints separated with a space
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* @return string Decomposition sequence, fully decomposed
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*/
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function decompose(&$decomp_map, $decomp_seq)
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{
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$ret = array();
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foreach (explode(' ', $decomp_seq) as $cp)
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{
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if (isset($decomp_map[$cp]))
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{
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$ret[] = decompose($decomp_map, $decomp_map[$cp]);
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}
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else
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{
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$ret[] = $cp;
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}
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}
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return implode(' ', $ret);
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}
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/**
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* Return a parsable string representation of a variable
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*
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@@ -537,17 +260,6 @@ function hex_to_utf($hex)
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return cp_to_utf(hexdec($hex));
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}
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/**
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* Return a UTF string formed from a sequence of codepoints in hexadecimal
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*
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* @param string $seq Sequence of codepoints, separated with a space
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* @return string UTF-8 string
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*/
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function hexseq_to_utf($seq)
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{
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return implode('', array_map('hex_to_utf', explode(' ', $seq)));
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}
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/**
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* Convert a codepoint to a UTF-8 char
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*
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