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

<!-- This file is in the public domain. -->

<!-- 8/19/04: ntra added "marc:" prefix to datafield element -->
	<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"/>
		<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="$spaces>0">
			<xsl:value-of select="$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:stylesheet>