MARC21slimUtils.xsl

<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet version="1.0" xmlns:marc="http://www.loc.gov/MARC21/slim" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">

	<!-- 08/08/08: tmee added corrected chopPunctuation templates for 260c -->
	<!-- 08/19/04: ntra added "marc:" prefix to datafield element -->
	<!-- 12/14/07: ntra added url encoding template -->
	<!-- url encoding -->

	<xsl:variable name="ascii">
		<xsl:text> !"#$%&amp;'()*+,-./0123456789:;&lt;=&gt;?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~</xsl:text>
	</xsl:variable>

	<xsl:variable name="latin1">
		<xsl:text> ¡¢£¤¥¦§¨©ª«¬­®¯°±²³´µ¶·¸¹º»¼½¾¿ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõö÷øùúûüýþÿ</xsl:text>
	</xsl:variable>
	<!-- Characters that usually don't need to be escaped -->
	<xsl:variable name="safe">
		<xsl:text>!'()*-.0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ_abcdefghijklmnopqrstuvwxyz~</xsl:text>
	</xsl:variable>

	<xsl:variable name="hex">0123456789ABCDEF</xsl:variable>


	<xsl:template name="datafield">
		<xsl:param name="tag"/>
		<xsl:param name="ind1">
			<xsl:text> </xsl:text>
		</xsl:param>
		<xsl:param name="ind2">
			<xsl:text> </xsl:text>
		</xsl:param>
		<xsl:param name="subfields"/>
		<xsl:element name="marc:datafield">
			<xsl:attribute name="tag">
				<xsl:value-of select="$tag"/>
			</xsl:attribute>
			<xsl:attribute name="ind1">
				<xsl:value-of select="$ind1"/>
			</xsl:attribute>
			<xsl:attribute name="ind2">
				<xsl:value-of select="$ind2"/>
			</xsl:attribute>
			<xsl:copy-of select="$subfields"/>
		</xsl:element>
	</xsl:template>

	<xsl:template name="subfieldSelect">
		<xsl:param name="codes">abcdefghijklmnopqrstuvwxyz</xsl:param>
		<xsl:param name="delimeter">
			<xsl:text> </xsl:text>
		</xsl:param>
		<xsl:variable name="str">
			<xsl:for-each select="marc:subfield">
				<xsl:if test="contains($codes, @code)">
					<xsl:value-of select="text()"/>
					<xsl:value-of select="$delimeter"/>
				</xsl:if>
			</xsl:for-each>
		</xsl:variable>
		<xsl:value-of select="substring($str,1,string-length($str)-string-length($delimeter))"/>
	</xsl:template>

	<xsl:template name="buildSpaces">
		<xsl:param name="spaces"/>
		<xsl:param name="char">
			<xsl:text> </xsl:text>
		</xsl:param>
		<xsl:if test="$spaces&gt;0">
			<xsl:value-of select="$char"/>
			<xsl:call-template name="buildSpaces">
				<xsl:with-param name="spaces" select="$spaces - 1"/>
				<xsl:with-param name="char" select="$char"/>
			</xsl:call-template>
		</xsl:if>
	</xsl:template>

	<xsl:template name="chopPunctuation">
		<xsl:param name="chopString"/>
		<xsl:param name="punctuation">
			<xsl:text>.:,;/ </xsl:text>
		</xsl:param>
		<xsl:variable name="length" select="string-length($chopString)"/>
		<xsl:choose>
			<xsl:when test="$length=0"/>
			<xsl:when test="contains($punctuation, substring($chopString,$length,1))">
				<xsl:call-template name="chopPunctuation">
					<xsl:with-param name="chopString" select="substring($chopString,1,$length - 1)"/>
					<xsl:with-param name="punctuation" select="$punctuation"/>
				</xsl:call-template>
			</xsl:when>
			<xsl:when test="not($chopString)"/>
			<xsl:otherwise>
				<xsl:value-of select="$chopString"/>
			</xsl:otherwise>
		</xsl:choose>
	</xsl:template>

	<xsl:template name="chopPunctuationFront">
		<xsl:param name="chopString"/>
		<xsl:variable name="length" select="string-length($chopString)"/>
		<xsl:choose>
			<xsl:when test="$length=0"/>
			<xsl:when test="contains('.:,;/[ ', substring($chopString,1,1))">
				<xsl:call-template name="chopPunctuationFront">
					<xsl:with-param name="chopString" select="substring($chopString,2,$length - 1)"/>
				</xsl:call-template>
			</xsl:when>
			<xsl:when test="not($chopString)"/>
			<xsl:otherwise>
				<xsl:value-of select="$chopString"/>
			</xsl:otherwise>
		</xsl:choose>
	</xsl:template>

	<xsl:template name="chopPunctuationBack">
		<xsl:param name="chopString"/>
		<xsl:param name="punctuation">
			<xsl:text>.:,;/] </xsl:text>
		</xsl:param>
		<xsl:variable name="length" select="string-length($chopString)"/>
		<xsl:choose>
			<xsl:when test="$length=0"/>
			<xsl:when test="contains($punctuation, substring($chopString,$length,1))">
				<xsl:call-template name="chopPunctuation">
					<xsl:with-param name="chopString" select="substring($chopString,1,$length - 1)"/>
					<xsl:with-param name="punctuation" select="$punctuation"/>
				</xsl:call-template>
			</xsl:when>
			<xsl:when test="not($chopString)"/>
			<xsl:otherwise>
				<xsl:value-of select="$chopString"/>
			</xsl:otherwise>
		</xsl:choose>
	</xsl:template>

	<!-- nate added 12/14/2007 for lccn.loc.gov: url encode ampersand, etc. -->
	<xsl:template name="url-encode">

		<xsl:param name="str"/>

		<xsl:if test="$str">
			<xsl:variable name="first-char" select="substring($str,1,1)"/>
			<xsl:choose>
				<xsl:when test="contains($safe,$first-char)">
					<xsl:value-of select="$first-char"/>
				</xsl:when>
				<xsl:otherwise>
					<xsl:variable name="codepoint">
						<xsl:choose>
							<xsl:when test="contains($ascii,$first-char)">
								<xsl:value-of select="string-length(substring-before($ascii,$first-char)) + 32"/>
							</xsl:when>
							<xsl:when test="contains($latin1,$first-char)">
								<xsl:value-of select="string-length(substring-before($latin1,$first-char)) + 160"/>
								<!-- was 160 -->
							</xsl:when>
							<xsl:otherwise>
								<xsl:message terminate="no">Warning: string contains a character
									that is out of range! Substituting "?".</xsl:message>
								<xsl:text>63</xsl:text>
							</xsl:otherwise>
						</xsl:choose>
					</xsl:variable>
					<xsl:variable name="hex-digit1" select="substring($hex,floor($codepoint div 16) + 1,1)"/>
					<xsl:variable name="hex-digit2" select="substring($hex,$codepoint mod 16 + 1,1)"/>
					<!-- <xsl:value-of select="concat('%',$hex-digit2)"/> -->
					<xsl:value-of select="concat('%',$hex-digit1,$hex-digit2)"/>
				</xsl:otherwise>
			</xsl:choose>
			<xsl:if test="string-length($str) &gt; 1">
				<xsl:call-template name="url-encode">
					<xsl:with-param name="str" select="substring($str,2)"/>
				</xsl:call-template>
			</xsl:if>
		</xsl:if>
	</xsl:template>
</xsl:stylesheet>
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