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Diffstat (limited to 'includes/normal/UtfNormalUtil.php')
| -rw-r--r-- | includes/normal/UtfNormalUtil.php | 154 |
1 files changed, 0 insertions, 154 deletions
diff --git a/includes/normal/UtfNormalUtil.php b/includes/normal/UtfNormalUtil.php deleted file mode 100644 index 6c925dfa..00000000 --- a/includes/normal/UtfNormalUtil.php +++ /dev/null @@ -1,154 +0,0 @@ -<?php -/** - * Some of these functions are adapted from places in MediaWiki. - * Should probably merge them for consistency. - * - * Copyright © 2004 Brion Vibber <brion@pobox.com> - * https://www.mediawiki.org/ - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * http://www.gnu.org/copyleft/gpl.html - * - * @file - * @ingroup UtfNormal - */ - -/** - * Return UTF-8 sequence for a given Unicode code point. - * May die if fed out of range data. - * - * @param $codepoint Integer: - * @return String - * @public - */ -function codepointToUtf8( $codepoint ) { - if ( $codepoint < 0x80 ) { - return chr( $codepoint ); - } - - if ( $codepoint < 0x800 ) { - return chr( $codepoint >> 6 & 0x3f | 0xc0 ) . - chr( $codepoint & 0x3f | 0x80 ); - } - - if ( $codepoint < 0x10000 ) { - return chr( $codepoint >> 12 & 0x0f | 0xe0 ) . - chr( $codepoint >> 6 & 0x3f | 0x80 ) . - chr( $codepoint & 0x3f | 0x80 ); - } - - if ( $codepoint < 0x110000 ) { - return chr( $codepoint >> 18 & 0x07 | 0xf0 ) . - chr( $codepoint >> 12 & 0x3f | 0x80 ) . - chr( $codepoint >> 6 & 0x3f | 0x80 ) . - chr( $codepoint & 0x3f | 0x80 ); - } - - echo "Asked for code outside of range ($codepoint)\n"; - die( -1 ); -} - -/** - * Take a series of space-separated hexadecimal numbers representing - * Unicode code points and return a UTF-8 string composed of those - * characters. Used by UTF-8 data generation and testing routines. - * - * @param $sequence String - * @return String - * @private - */ -function hexSequenceToUtf8( $sequence ) { - $utf = ''; - foreach ( explode( ' ', $sequence ) as $hex ) { - $n = hexdec( $hex ); - $utf .= codepointToUtf8( $n ); - } - - return $utf; -} - -/** - * Take a UTF-8 string and return a space-separated series of hex - * numbers representing Unicode code points. For debugging. - * - * @param string $str UTF-8 string. - * @return string - * @private - */ -function utf8ToHexSequence( $str ) { - $buf = ''; - foreach ( preg_split( '//u', $str, -1, PREG_SPLIT_NO_EMPTY ) as $cp ) { - $buf .= sprintf( '%04x ', utf8ToCodepoint( $cp ) ); - } - - return rtrim( $buf ); -} - -/** - * Determine the Unicode codepoint of a single-character UTF-8 sequence. - * Does not check for invalid input data. - * - * @param $char String - * @return Integer - * @public - */ -function utf8ToCodepoint( $char ) { - # Find the length - $z = ord( $char[0] ); - if ( $z & 0x80 ) { - $length = 0; - while ( $z & 0x80 ) { - $length++; - $z <<= 1; - } - } else { - $length = 1; - } - - if ( $length != strlen( $char ) ) { - return false; - } - - if ( $length == 1 ) { - return ord( $char ); - } - - # Mask off the length-determining bits and shift back to the original location - $z &= 0xff; - $z >>= $length; - - # Add in the free bits from subsequent bytes - for ( $i = 1; $i < $length; $i++ ) { - $z <<= 6; - $z |= ord( $char[$i] ) & 0x3f; - } - - return $z; -} - -/** - * Escape a string for inclusion in a PHP single-quoted string literal. - * - * @param string $string string to be escaped. - * @return String: escaped string. - * @public - */ -function escapeSingleString( $string ) { - return strtr( $string, - array( - '\\' => '\\\\', - '\'' => '\\\'' - ) ); -} |