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148 lines
7.0 KiB
148 lines
7.0 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_unicode_refbase.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: 11-Jun-08, 13:00
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// Modified: $Date: 2008-06-19 17:56:34 +0000 (Thu, 19 Jun 2008) $
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// $Author$
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// $Revision: 1146 $
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// Search & replace patterns and functions for conversion from Unicode entities to refbase markup.
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// Search & replace patterns must be specified as perl-style regular expression and search patterns must include the leading & trailing slashes.
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$transtab_unicode_refbase = array(
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'/‰|/' => "[permil]", // ‰: <U2030> (per mille sign); : ?
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'/∞/' => "[infinity]", // <U221E> (infinity)
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'/α/' => "[alpha]",
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'/β/' => "[beta]",
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'/γ/' => "[gamma]",
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'/δ/' => "[delta]",
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'/ε/' => "[epsilon]",
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'/ζ/' => "[zeta]",
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'/η/' => "[eta]",
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'/θ/' => "[theta]",
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'/ι/' => "[iota]",
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'/κ/' => "[kappa]",
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'/λ/' => "[lambda]",
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'/μ/' => "[mu]",
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'/ν/' => "[nu]",
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'/ξ/' => "[xi]",
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'/ο/' => "[omicron]",
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'/π/' => "[pi]",
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'/ρ/' => "[rho]",
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'/ς/' => "[sigmaf]",
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'/σ/' => "[sigma]",
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'/τ/' => "[tau]",
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'/υ/' => "[upsilon]",
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'/φ/' => "[phi]",
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'/χ/' => "[chi]",
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'/ψ/' => "[psi]",
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'/ω/' => "[omega]",
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'/Α/' => "[Alpha]",
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'/Β/' => "[Beta]",
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'/Γ/' => "[Gamma]",
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'/Δ/' => "[Delta]",
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'/Ε/' => "[Epsilon]",
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'/Ζ/' => "[Zeta]",
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'/Η/' => "[Eta]",
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'/Θ/' => "[Theta]",
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'/Ι/' => "[Iota]",
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'/Κ/' => "[Kappa]",
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'/Λ/' => "[Lambda]",
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'/Μ/' => "[Mu]",
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'/Ν/' => "[Nu]",
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'/Ξ/' => "[Xi]",
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'/Ο/' => "[Omicron]",
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'/Π/' => "[Pi]",
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'/Ρ/' => "[Rho]",
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'/Σ/' => "[Sigma]",
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'/Τ/' => "[Tau]",
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'/Υ/' => "[Upsilon]",
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'/Φ/' => "[Phi]",
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'/Χ/' => "[Chi]",
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'/Ψ/' => "[Psi]",
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'/Ω/' => "[Omega]",
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"/((?:¹|²|³|⁴|⁵|⁶|⁷|⁸|⁹|⁰|⁺|⁻|⁼|⁽|⁾|ⁿ)+)/ie" => "unicodeSuperScriptToRefbase('\\1')", // function 'unicodeSuperScriptToRefbase()' will convert Unicode superscript entities to appropriate refbase superscript markup
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"/((?:₁|₂|₃|₄|₅|₆|₇|₈|₉|₀|₊|₋|₌|₍|₎)+)/ie" => "unicodeSubScriptToRefbase('\\1')", // function 'unicodeSubScriptToRefbase()' will convert Unicode subscript entities to appropriate refbase subscript markup
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// Note that, when matching superscript or subscript Unicode characters, we cannot use the double-byte characters within character classes
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// (like [¹²³⁴⁵⁶⁷⁸⁹⁰⁺⁻⁼⁽⁾ⁿ] or ([₁₂₃₄₅₆₇₈₉₀₊₋₌₍₎]) since this may cause the single-byte parts of these characters to be matched and replaced as well!
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);
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$unicodeSuperScriptSearchReplaceActionsArray = array(
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'/¹/' => "1", // <U00B9> (superscript one)
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'/²/' => "2", // <U00B2> (superscript two)
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'/³/' => "3", // <U00B3> (superscript three)
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'/⁴/' => "4", // <U2074> (superscript four)
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'/⁵/' => "5", // <U2075> (superscript five)
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'/⁶/' => "6", // <U2076> (superscript six)
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'/⁷/' => "7", // <U2077> (superscript seven)
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'/⁸/' => "8", // <U2078> (superscript eight)
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'/⁹/' => "9", // <U2079> (superscript nine)
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'/⁰/' => "0", // <U2070> (superscript zero)
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'/⁺/' => "+", // <U207A> (superscript plus sign)
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'/⁻/' => "-", // <U207B> (superscript minus)
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'/⁼/' => "=", // <U207C> (superscript equals sign)
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'/⁽/' => "(", // <U207D> (superscript left parenthesis)
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'/⁾/' => ")", // <U207E> (superscript right parenthesis)
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'/ⁿ/' => "n", // <U207F> (superscript latin small letter n)
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);
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$unicodeSubScriptSearchReplaceActionsArray = array(
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'/₁/' => "1", // <U2081> (subscript one)
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'/₂/' => "2", // <U2082> (subscript two)
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'/₃/' => "3", // <U2083> (subscript three)
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'/₄/' => "4", // <U2084> (subscript four)
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'/₅/' => "5", // <U2085> (subscript five)
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'/₆/' => "6", // <U2086> (subscript six)
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'/₇/' => "7", // <U2087> (subscript seven)
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'/₈/' => "8", // <U2088> (subscript eight)
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'/₉/' => "9", // <U2089> (subscript nine)
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'/₀/' => "0", // <U2080> (subscript zero)
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'/₊/' => "+", // <U208A> (subscript plus sign)
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'/₋/' => "-", // <U208B> (subscript minus)
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'/₌/' => "=", // <U208C> (subscript equals sign)
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'/₍/' => "(", // <U208D> (subscript left parenthesis)
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'/₎/' => ")", // <U208E> (subscript right parenthesis)
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);
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// --------------------------------------------------------------------
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// Converts Unicode superscript entities to appropriate refbase superscript markup:
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function unicodeSuperScriptToRefbase($sourceString)
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{
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global $unicodeSuperScriptSearchReplaceActionsArray;
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$sourceString = searchReplaceText($unicodeSuperScriptSearchReplaceActionsArray, $sourceString, true); // function 'searchReplaceText()' is defined in 'include.inc.php'
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return "[super:" . $sourceString . "]";
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}
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// --------------------------------------------------------------------
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// Converts Unicode subscript entities to appropriate refbase subscript markup:
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function unicodeSubScriptToRefbase($sourceString)
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{
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global $unicodeSubScriptSearchReplaceActionsArray;
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$sourceString = searchReplaceText($unicodeSubScriptSearchReplaceActionsArray, $sourceString, true); // function 'searchReplaceText()' is defined in 'include.inc.php'
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return "[sub:" . $sourceString . "]";
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}
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?>
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