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<?php
// Project: Web Reference Database (refbase) <http://www.refbase.net>
// Copyright: Matthias Steffens <mailto:refbase@extracts.de> and the file's
// original author(s).
//
// This code is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY. Please see the GNU General Public
// License for more details.
//
// File: ./includes/transtab_unicode_refbase.inc.php
// Repository: $HeadURL$
// Author(s): Matthias Steffens <mailto:refbase@extracts.de>
//
// Created: 11-Jun-08, 13:00
// Modified: $Date: 2008-06-19 17:56:34 +0000 (Thu, 19 Jun 2008) $
// $Author$
// $Revision: 1146 $
// Search & replace patterns and functions for conversion from Unicode entities to refbase markup.
// Search & replace patterns must be specified as perl-style regular expression and search patterns must include the leading & trailing slashes.
$transtab_unicode_refbase = array(
'/‰|‰/' => "[permil]", // ‰: <U2030> (per mille sign); ‰: ?
'/∞/' => "[infinity]", // <U221E> (infinity)
'/α/' => "[alpha]",
'/β/' => "[beta]",
'/γ/' => "[gamma]",
'/δ/' => "[delta]",
'/ε/' => "[epsilon]",
'/ζ/' => "[zeta]",
'/η/' => "[eta]",
'/θ/' => "[theta]",
'/ι/' => "[iota]",
'/κ/' => "[kappa]",
'/λ/' => "[lambda]",
'/μ/' => "[mu]",
'/ν/' => "[nu]",
'/ξ/' => "[xi]",
'/ο/' => "[omicron]",
'/π/' => "[pi]",
'/ρ/' => "[rho]",
'/ς/' => "[sigmaf]",
'/σ/' => "[sigma]",
'/τ/' => "[tau]",
'/υ/' => "[upsilon]",
'/φ/' => "[phi]",
'/χ/' => "[chi]",
'/ψ/' => "[psi]",
'/ω/' => "[omega]",
'/Α/' => "[Alpha]",
'/Β/' => "[Beta]",
'/Γ/' => "[Gamma]",
'/Δ/' => "[Delta]",
'/Ε/' => "[Epsilon]",
'/Ζ/' => "[Zeta]",
'/Η/' => "[Eta]",
'/Θ/' => "[Theta]",
'/Ι/' => "[Iota]",
'/Κ/' => "[Kappa]",
'/Λ/' => "[Lambda]",
'/Μ/' => "[Mu]",
'/Ν/' => "[Nu]",
'/Ξ/' => "[Xi]",
'/Ο/' => "[Omicron]",
'/Π/' => "[Pi]",
'/Ρ/' => "[Rho]",
'/Σ/' => "[Sigma]",
'/Τ/' => "[Tau]",
'/Υ/' => "[Upsilon]",
'/Φ/' => "[Phi]",
'/Χ/' => "[Chi]",
'/Ψ/' => "[Psi]",
'/Ω/' => "[Omega]",
"/((?: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
"/((?: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
// Note that, when matching superscript or subscript Unicode characters, we cannot use the double-byte characters within character classes
// (like [¹²³⁴⁵⁶⁷⁸⁹⁰⁺⁻⁼⁽⁾ⁿ] or ([₁₂₃₄₅₆₇₈₉₀₊₋₌₍₎]) since this may cause the single-byte parts of these characters to be matched and replaced as well!
);
$unicodeSuperScriptSearchReplaceActionsArray = array(
'/¹/' => "1", // <U00B9> (superscript one)
'/²/' => "2", // <U00B2> (superscript two)
'/³/' => "3", // <U00B3> (superscript three)
'/⁴/' => "4", // <U2074> (superscript four)
'/⁵/' => "5", // <U2075> (superscript five)
'/⁶/' => "6", // <U2076> (superscript six)
'/⁷/' => "7", // <U2077> (superscript seven)
'/⁸/' => "8", // <U2078> (superscript eight)
'/⁹/' => "9", // <U2079> (superscript nine)
'/⁰/' => "0", // <U2070> (superscript zero)
'/⁺/' => "+", // <U207A> (superscript plus sign)
'/⁻/' => "-", // <U207B> (superscript minus)
'/⁼/' => "=", // <U207C> (superscript equals sign)
'/⁽/' => "(", // <U207D> (superscript left parenthesis)
'/⁾/' => ")", // <U207E> (superscript right parenthesis)
'/ⁿ/' => "n", // <U207F> (superscript latin small letter n)
);
$unicodeSubScriptSearchReplaceActionsArray = array(
'/₁/' => "1", // <U2081> (subscript one)
'/₂/' => "2", // <U2082> (subscript two)
'/₃/' => "3", // <U2083> (subscript three)
'/₄/' => "4", // <U2084> (subscript four)
'/₅/' => "5", // <U2085> (subscript five)
'/₆/' => "6", // <U2086> (subscript six)
'/₇/' => "7", // <U2087> (subscript seven)
'/₈/' => "8", // <U2088> (subscript eight)
'/₉/' => "9", // <U2089> (subscript nine)
'/₀/' => "0", // <U2080> (subscript zero)
'/₊/' => "+", // <U208A> (subscript plus sign)
'/₋/' => "-", // <U208B> (subscript minus)
'/₌/' => "=", // <U208C> (subscript equals sign)
'/₍/' => "(", // <U208D> (subscript left parenthesis)
'/₎/' => ")", // <U208E> (subscript right parenthesis)
);
// --------------------------------------------------------------------
// Converts Unicode superscript entities to appropriate refbase superscript markup:
function unicodeSuperScriptToRefbase($sourceString)
{
global $unicodeSuperScriptSearchReplaceActionsArray;
$sourceString = searchReplaceText($unicodeSuperScriptSearchReplaceActionsArray, $sourceString, true); // function 'searchReplaceText()' is defined in 'include.inc.php'
return "[super:" . $sourceString . "]";
}
// --------------------------------------------------------------------
// Converts Unicode subscript entities to appropriate refbase subscript markup:
function unicodeSubScriptToRefbase($sourceString)
{
global $unicodeSubScriptSearchReplaceActionsArray;
$sourceString = searchReplaceText($unicodeSubScriptSearchReplaceActionsArray, $sourceString, true); // function 'searchReplaceText()' is defined in 'include.inc.php'
return "[sub:" . $sourceString . "]";
}
?>