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95 lines
3.9 KiB
95 lines
3.9 KiB
<?php
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// Project: Web Reference Database (refbase) <http://www.refbase.net>
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// Copyright: Matthias Steffens <mailto:refbase@extracts.de> and the file's
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// original author(s).
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//
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// This code is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY. Please see the GNU General Public
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// License for more details.
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//
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// File: ./includes/transtab_latin1_charset.inc.php
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// Repository: $HeadURL$
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// Author(s): Matthias Steffens <mailto:refbase@extracts.de>
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//
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// Created: 24-Jul-08, 17:45
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// Modified: $Date: 2008-08-19 20:05:53 +0000 (Tue, 19 Aug 2008) $
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// $Author$
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// $Revision: 1206 $
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// Search & replace patterns and variables for matching (and conversion of) ISO-8859-1 character case & classes.
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// Search & replace patterns must be specified as perl-style regular expression and search patterns must include the
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// leading & trailing slashes.
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// NOTE: Quote from <http://www.onphp5.com/article/22> ("i18n with PHP5: Pitfalls"):
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// "PCRE and other regular expression extensions are not locale-aware. This most notably influences the \w class
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// that is unable to work for Cyrillic letters. There could be a workaround for this if some preprocessor for the
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// regex string could replace \w and friends with character range prior to calling PCRE functions."
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// The 'start_session()' function in file 'include.inc.php' should establish an appropriate locale via function
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// 'setSystemLocale()' so that e.g. '[[:upper:]]' would also match 'Ø' etc. However, since locale support depends
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// on the individual server & system, we keep the workaround which literally specifies higher ASCII chars of the
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// latin1 character set below. (in order to have this work, the character encoding of 'search.php' must be set to
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// 'Western (Iso Latin 1)' aka 'ISO-8859-1'!)
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// higher ASCII chars upper case = "ÄÅÁÀÂÃÇÉÈÊËÑÖØÓÒÔÕÜÚÙÛÍÌÎÏÆ"
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// higher ASCII chars lower case = "äåáàâãçéèêëñöøóòôõüúùûíìîïæÿß"
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// The variables '$alnum', '$alpha', '$cntrl', '$dash', '$digit', '$graph', '$lower', '$print', '$punct', '$space',
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// '$upper', '$word' must be used within a perl-style regex character class.
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// Matches ISO-8859-1 letters & digits:
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$alnum = "[:alnum:]ÄÅÁÀÂÃÇÉÈÊËÑÖØÓÒÔÕÜÚÙÛÍÌÎÏÆäåáàâãçéèêëñöøóòôõüúùûíìîïæÿß";
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// Matches ISO-8859-1 letters:
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$alpha = "[:alpha:]ÄÅÁÀÂÃÇÉÈÊËÑÖØÓÒÔÕÜÚÙÛÍÌÎÏÆäåáàâãçéèêëñöøóòôõüúùûíìîïæÿß";
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// Matches ISO-8859-1 control characters:
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$cntrl = "[:cntrl:]";
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// Matches ISO-8859-1 dashes & hyphens:
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$dash = "-–";
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// Matches ISO-8859-1 digits:
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$digit = "[:digit:]";
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// Matches ISO-8859-1 printing characters (excluding space):
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$graph = "[:graph:]ÄÅÁÀÂÃÇÉÈÊËÑÖØÓÒÔÕÜÚÙÛÍÌÎÏÆäåáàâãçéèêëñöøóòôõüúùûíìîïæÿß";
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// Matches ISO-8859-1 lower case letters:
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$lower = "[:lower:]äåáàâãçéèêëñöøóòôõüúùûíìîïæÿß";
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// Matches ISO-8859-1 printing characters (including space):
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$print = "[:print:]ÄÅÁÀÂÃÇÉÈÊËÑÖØÓÒÔÕÜÚÙÛÍÌÎÏÆäåáàâãçéèêëñöøóòôõüúùûíìîïæÿß";
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// Matches ISO-8859-1 punctuation:
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$punct = "[:punct:]";
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// Matches ISO-8859-1 whitespace (separating characters with no visual representation):
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$space = "[:space:]";
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// Matches ISO-8859-1 upper case letters:
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$upper = "[:upper:]ÄÅÁÀÂÃÇÉÈÊËÑÖØÓÒÔÕÜÚÙÛÍÌÎÏÆ";
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// Matches ISO-8859-1 "word" characters:
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$word = "_[:alnum:]ÄÅÁÀÂÃÇÉÈÊËÑÖØÓÒÔÕÜÚÙÛÍÌÎÏÆäåáàâãçéèêëñöøóòôõüúùûíìîïæÿß";
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// Defines the PCRE pattern modifier(s) to be used in conjunction with the above variables:
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// More info: <http://www.php.net/manual/en/reference.pcre.pattern.modifiers.php>
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$patternModifiers = "";
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// Converts ISO-8859-1 upper case letters to their corresponding lower case letter:
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// TODO!
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$transtab_upper_lower = array(
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);
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// Converts ISO-8859-1 lower case letters to their corresponding upper case letter:
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// TODO!
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$transtab_lower_upper = array(
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);
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?>
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