124 lines
4.4 KiB
PHP
124 lines
4.4 KiB
PHP
|
<?php
|
|||
|
|
|
|||
|
|
// warning: this file is encoded in UTF-8!
|
|||
|
|
|
|||
|
|
class HTML5_Data
|
|||
|
|
{
|
|||
|
|
|
|||
|
|
// at some point this should be moved to a .ser file. Another
|
|||
|
|
// possible optimization is to give UTF-8 bytes, not Unicode
|
|||
|
|
// codepoints
|
|||
|
|
// XXX: Not quite sure why it's named this; this is
|
|||
|
|
// actually the numeric entity dereference table.
|
|||
|
|
protected static $realCodepointTable = [
|
|||
|
|
0x00 => 0xFFFD, // REPLACEMENT CHARACTER
|
|||
|
|
0x0D => 0x000A, // LINE FEED (LF)
|
|||
|
|
0x80 => 0x20AC, // EURO SIGN ('€')
|
|||
|
|
0x81 => 0x0081, // <control>
|
|||
|
|
0x82 => 0x201A, // SINGLE LOW-9 QUOTATION MARK ('‚')
|
|||
|
|
0x83 => 0x0192, // LATIN SMALL LETTER F WITH HOOK ('ƒ')
|
|||
|
|
0x84 => 0x201E, // DOUBLE LOW-9 QUOTATION MARK ('„')
|
|||
|
|
0x85 => 0x2026, // HORIZONTAL ELLIPSIS ('…')
|
|||
|
|
0x86 => 0x2020, // DAGGER ('†')
|
|||
|
|
0x87 => 0x2021, // DOUBLE DAGGER ('‡')
|
|||
|
|
0x88 => 0x02C6, // MODIFIER LETTER CIRCUMFLEX ACCENT ('ˆ')
|
|||
|
|
0x89 => 0x2030, // PER MILLE SIGN ('‰')
|
|||
|
|
0x8A => 0x0160, // LATIN CAPITAL LETTER S WITH CARON ('Š')
|
|||
|
|
0x8B => 0x2039, // SINGLE LEFT-POINTING ANGLE QUOTATION MARK ('‹')
|
|||
|
|
0x8C => 0x0152, // LATIN CAPITAL LIGATURE OE ('Œ')
|
|||
|
|
0x8D => 0x008D, // <control>
|
|||
|
|
0x8E => 0x017D, // LATIN CAPITAL LETTER Z WITH CARON ('Ž')
|
|||
|
|
0x8F => 0x008F, // <control>
|
|||
|
|
0x90 => 0x0090, // <control>
|
|||
|
|
0x91 => 0x2018, // LEFT SINGLE QUOTATION MARK ('‘')
|
|||
|
|
0x92 => 0x2019, // RIGHT SINGLE QUOTATION MARK ('’')
|
|||
|
|
0x93 => 0x201C, // LEFT DOUBLE QUOTATION MARK ('“')
|
|||
|
|
0x94 => 0x201D, // RIGHT DOUBLE QUOTATION MARK ('”')
|
|||
|
|
0x95 => 0x2022, // BULLET ('•')
|
|||
|
|
0x96 => 0x2013, // EN DASH ('–')
|
|||
|
|
0x97 => 0x2014, // EM DASH ('—')
|
|||
|
|
0x98 => 0x02DC, // SMALL TILDE ('˜')
|
|||
|
|
0x99 => 0x2122, // TRADE MARK SIGN ('™')
|
|||
|
|
0x9A => 0x0161, // LATIN SMALL LETTER S WITH CARON ('š')
|
|||
|
|
0x9B => 0x203A, // SINGLE RIGHT-POINTING ANGLE QUOTATION MARK ('›')
|
|||
|
|
0x9C => 0x0153, // LATIN SMALL LIGATURE OE ('œ')
|
|||
|
|
0x9D => 0x009D, // <control>
|
|||
|
|
0x9E => 0x017E, // LATIN SMALL LETTER Z WITH CARON ('ž')
|
|||
|
|
0x9F => 0x0178, // LATIN CAPITAL LETTER Y WITH DIAERESIS ('Ÿ')
|
|||
|
|
];
|
|||
|
|
|
|||
|
|
protected static $namedCharacterReferences;
|
|||
|
|
|
|||
|
|
protected static $namedCharacterReferenceMaxLength;
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* Returns the "real" Unicode codepoint of a malformed character
|
|||
|
|
* reference.
|
|||
|
|
*/
|
|||
|
|
public static function getRealCodepoint($ref) {
|
|||
|
|
if (!isset(self::$realCodepointTable[$ref])) {
|
|||
|
|
return false;
|
|||
|
|
} else {
|
|||
|
|
return self::$realCodepointTable[$ref];
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public static function getNamedCharacterReferences() {
|
|||
|
|
if (!self::$namedCharacterReferences) {
|
|||
|
|
self::$namedCharacterReferences = unserialize(
|
|||
|
|
file_get_contents(dirname(__FILE__) . '/named-character-references.ser'));
|
|||
|
|
}
|
|||
|
|
return self::$namedCharacterReferences;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* Converts a Unicode codepoint to sequence of UTF-8 bytes.
|
|||
|
|
* @note Shamelessly stolen from HTML Purifier, which is also
|
|||
|
|
* shamelessly stolen from Feyd (which is in public domain).
|
|||
|
|
*/
|
|||
|
|
public static function utf8chr($code) {
|
|||
|
|
/* We don't care: we live dangerously
|
|||
|
|
* if($code > 0x10FFFF or $code < 0x0 or
|
|||
|
|
($code >= 0xD800 and $code <= 0xDFFF) ) {
|
|||
|
|
// bits are set outside the "valid" range as defined
|
|||
|
|
// by UNICODE 4.1.0
|
|||
|
|
return "\xEF\xBF\xBD";
|
|||
|
|
}*/
|
|||
|
|
|
|||
|
|
$y = $z = $w = 0;
|
|||
|
|
if ($code < 0x80) {
|
|||
|
|
// regular ASCII character
|
|||
|
|
$x = $code;
|
|||
|
|
} else {
|
|||
|
|
// set up bits for UTF-8
|
|||
|
|
$x = ($code & 0x3F) | 0x80;
|
|||
|
|
if ($code < 0x800) {
|
|||
|
|
$y = (($code & 0x7FF) >> 6) | 0xC0;
|
|||
|
|
} else {
|
|||
|
|
$y = (($code & 0xFC0) >> 6) | 0x80;
|
|||
|
|
if ($code < 0x10000) {
|
|||
|
|
$z = (($code >> 12) & 0x0F) | 0xE0;
|
|||
|
|
} else {
|
|||
|
|
$z = (($code >> 12) & 0x3F) | 0x80;
|
|||
|
|
$w = (($code >> 18) & 0x07) | 0xF0;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
// set up the actual character
|
|||
|
|
$ret = '';
|
|||
|
|
if ($w) {
|
|||
|
|
$ret .= chr($w);
|
|||
|
|
}
|
|||
|
|
if ($z) {
|
|||
|
|
$ret .= chr($z);
|
|||
|
|
}
|
|||
|
|
if ($y) {
|
|||
|
|
$ret .= chr($y);
|
|||
|
|
}
|
|||
|
|
$ret .= chr($x);
|
|||
|
|
|
|||
|
|
return $ret;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
}
|