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parlamint2conllu.xsl
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parlamint2conllu.xsl
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<?xml version='1.0' encoding='UTF-8'?>
<!-- Convert ParlaMint.ana to CoNLL-U:
- document (u), paragraph (seg) and sentence (s) IDs
- syntactic words (w/w)
- XPoS (w/@ana)
- UPoS and UD mophological features (w/@msd) and dependencies (s/linkGrp)
- SpaceAfter (w/@join)
- NER (name/@type)
-->
<xsl:stylesheet version='2.0'
xmlns:xsl = "http://www.w3.org/1999/XSL/Transform"
xmlns:tei="http://www.tei-c.org/ns/1.0"
xmlns:xs="http://www.w3.org/2001/XMLSchema"
xmlns:et="http://nl.ijs.si/et"
exclude-result-prefixes="#all">
<xsl:import href="parlamint-lib.xsl"/>
<xsl:output encoding="utf-8" method="text"/>
<xsl:key name="corresp" match="tei:*" use="substring-after(@corresp, '#')"/>
<!-- We can choose the language of the segments that we want to output -->
<xsl:param name="seg-lang"/>
<!-- Save listPrefixes to $listPrefix -->
<xsl:variable name="listPrefix" select="$rootHeader//tei:listPrefixDef"/>
<!-- Is this a multilingual CoNLL-U? -->
<!-- Variable not needed
<xsl:variable name="multiLang" as="xs:boolean">
<xsl:choose>
<xsl:when test="normalize-space($seg-lang)">
<xsl:value-of select="false()"/>
</xsl:when>
<xsl:when test="distinct-values(//tei:seg/@xml:lang)[2]">
<xsl:value-of select="true()"/>
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="false()"/>
</xsl:otherwise>
</xsl:choose>
</xsl:variable>
-->
<xsl:template match="text()"/>
<!-- A speech corresponds to a document -->
<xsl:template match="tei:u">
<xsl:variable name="segs">
<xsl:apply-templates/>
</xsl:variable>
<!-- Output only if non-empty -->
<xsl:if test="normalize-space($segs)">
<xsl:value-of select="concat('# newdoc id = ', @xml:id, ' ')"/>
<xsl:value-of select="$segs"/>
</xsl:if>
</xsl:template>
<!-- A segment corresponds to a paragraph -->
<xsl:template match="tei:seg">
<xsl:variable name="lang" select="ancestor-or-self::tei:*[@xml:lang][1]/@xml:lang"/>
<xsl:choose>
<xsl:when test="tei:s">
<xsl:if test="not(normalize-space($seg-lang)) or $lang = $seg-lang">
<xsl:value-of select="concat('# newpar id = ', @xml:id, ' ')"/>
<!--xsl:if test="$multiLang"-->
<xsl:value-of select="concat('# lang = ', $lang, ' ')"/>
<!--/xsl:if-->
<xsl:apply-templates select="tei:s"/>
</xsl:if>
</xsl:when>
<xsl:otherwise>
<xsl:message select="concat('WARN: skipping segment without sentences ', @xml:id)"/>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
<!-- And a sentence is a sentence -->
<xsl:template match="tei:s">
<xsl:value-of select="concat('# sent_id = ', @xml:id, ' ')"/>
<xsl:variable name="text">
<xsl:apply-templates mode="plain"/>
</xsl:variable>
<xsl:value-of select="concat('# text = ', normalize-space($text), ' ')"/>
<xsl:apply-templates/>
<xsl:text> </xsl:text>
</xsl:template>
<!-- Output the plain text of a sentence -->
<xsl:template mode="plain" match="text()"/>
<xsl:template mode="plain" match="tei:*">
<xsl:apply-templates mode="plain"/>
</xsl:template>
<xsl:template mode="plain" match="tei:w | tei:pc">
<xsl:value-of select="normalize-space(.)"/>
<xsl:call-template name="SpaceAfter">
<xsl:with-param name="yes" select="' '"/>
</xsl:call-template>
</xsl:template>
<xsl:template match="tei:note | tei:desc">
<!-- We just ignore these (and parents of desc), is there anything else we could do? -->
</xsl:template>
<!-- Names will be stored in local column as IOB -->
<xsl:template match="tei:name">
<xsl:apply-templates/>
</xsl:template>
<!-- Word with embedded syntactic words -->
<xsl:template match="tei:w[tei:w]">
<!-- 1/ID -->
<xsl:apply-templates mode="number" select="tei:w[1]"/>
<xsl:text>-</xsl:text>
<xsl:apply-templates mode="number" select="tei:w[last()]"/>
<xsl:text>	</xsl:text>
<!-- 2/FORM -->
<xsl:value-of select="normalize-space(.)"/>
<xsl:text>	</xsl:text>
<!-- 3/LEMMA -->
<xsl:text>_	</xsl:text>
<!-- 4/CPOSTAG -->
<xsl:text>_	</xsl:text>
<!-- 5/XPOS -->
<xsl:text>_	</xsl:text>
<!-- 6/FEATS -->
<xsl:text>_	</xsl:text>
<!-- 7/HEAD -->
<xsl:text>_	</xsl:text>
<!-- 8/DEPREL -->
<xsl:text>_	</xsl:text>
<!-- 9/DEPS -->
<xsl:text>_	</xsl:text>
<!-- 10/MISC -->
<xsl:call-template name="NER"/>
<xsl:call-template name="SpaceAfter">
<xsl:with-param name="no">|SpaceAfter=No</xsl:with-param>
</xsl:call-template>
<xsl:text> </xsl:text>
<xsl:apply-templates/>
</xsl:template>
<xsl:template match="tei:w | tei:pc">
<!-- 1/ID -->
<xsl:apply-templates mode="number" select="."/>
<xsl:text>	</xsl:text>
<!-- 2/FORM -->
<xsl:choose>
<!-- If syntactic word -->
<xsl:when test="parent::tei:w">
<xsl:value-of select="@norm"/>
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="text()"/>
</xsl:otherwise>
</xsl:choose>
<xsl:text>	</xsl:text>
<!-- 3/LEMMA -->
<xsl:choose>
<xsl:when test="self::tei:pc">
<xsl:value-of select="text()"/>
</xsl:when>
<xsl:when test="not(@lemma)">
<xsl:message terminate="no" select="concat('ERROR: no lemma for token: ', text())"/>
<xsl:text></xsl:text>
</xsl:when>
<xsl:otherwise>
<xsl:if test="contains(@lemma,' ')">
<xsl:message select="concat('WARN: lemma for ', @xml:id, ' contains space: ', @lemma)"/>
</xsl:if>
<xsl:value-of select="@lemma"/>
</xsl:otherwise>
</xsl:choose>
<!-- e.g. ana="mte:Xf" msd="UPosTag=X|Foreign=Yes" -->
<xsl:text>	</xsl:text>
<!-- 4/CPOSTAG -->
<xsl:choose>
<xsl:when test="not(@msd)">
<xsl:message terminate="no" select="concat('ERROR: no UPOS (@msd) for token: ', text())"/>
<xsl:text></xsl:text>
</xsl:when>
<xsl:otherwise>
<xsl:variable name="catfeat" select="replace(@msd, '\|.+', '')"/>
<xsl:value-of select="replace($catfeat, 'UPosTag=', '')"/>
</xsl:otherwise>
</xsl:choose>
<xsl:text>	</xsl:text>
<!-- 5/XPOS -->
<xsl:choose>
<!-- If in @ana attribute, they are pointers to their definitions -->
<!-- Here we just take the value of the IDREF(s) -->
<!-- For MULTEXT-East (HR, SI) we have the tag, i.e. MSD: ana="mte:Appmpn" -->
<!-- For BE we have a list of AV pairs: ana="#pos.PD #type.d-p" -->
<xsl:when test="@ana">
<xsl:variable name="xpos">
<xsl:for-each select="tokenize(@ana, '\s+')">
<!-- Get rid of "#" reference to @xml:id or of TEI extended pointer prefix ".+?:" -->
<xsl:value-of select="replace(
replace(.,
'.+?:', ''),
'^#', '')
"/>
<xsl:text>|</xsl:text>
</xsl:for-each>
</xsl:variable>
<xsl:value-of select="replace($xpos, '\|$', '')"/>
</xsl:when>
<!-- Can also be a simple value of the @pos attribute (BG) -->
<xsl:when test="@pos">
<xsl:value-of select="@pos"/>
</xsl:when>
<xsl:when test="contains(@msd, 'XPosTag=')">
<xsl:value-of select="replace(@msd, '.*XPosTag=([^|]+).*', '$1')"/>
</xsl:when>
<xsl:otherwise>_</xsl:otherwise>
</xsl:choose>
<xsl:text>	</xsl:text>
<!-- 6/FEATS -->
<!-- First, get rid of UPosTag and possible XPosTag in UD features -->
<xsl:variable name="feats" select="replace(
replace(@msd, 'UPosTag=[^|]+\|?', ''),
'\|?XPosTag=[^|]+', '')"/>
<xsl:choose>
<xsl:when test="normalize-space($feats)">
<!-- In TEI ":" in extended relations is changed to "_" so it doesn't clash with
extended pointer prefixes -->
<!-- Here we change it back: -->
<xsl:value-of select="et:sort_feats(replace($feats, '_', ':'))"/>
</xsl:when>
<xsl:otherwise>_</xsl:otherwise>
</xsl:choose>
<xsl:text>	</xsl:text>
<!-- 7/HEAD -->
<xsl:variable name="Syntax"
select="ancestor::tei:s/tei:linkGrp[@type='UD-SYN']"/>
<xsl:choose>
<xsl:when test="$Syntax//tei:link">
<xsl:call-template name="head">
<xsl:with-param name="links" select="$Syntax"/>
</xsl:call-template>
</xsl:when>
<xsl:otherwise>
<xsl:text>0</xsl:text>
</xsl:otherwise>
</xsl:choose>
<xsl:text>	</xsl:text>
<!-- 8/DEPREL -->
<xsl:choose>
<xsl:when test="$Syntax//tei:link">
<xsl:call-template name="rel">
<xsl:with-param name="links" select="$Syntax"/>
</xsl:call-template>
</xsl:when>
<xsl:otherwise>
<xsl:text>_</xsl:text>
</xsl:otherwise>
</xsl:choose>
<xsl:text>	</xsl:text>
<!-- 9/DEPS -->
<xsl:text>_</xsl:text>
<xsl:text>	</xsl:text>
<!-- 10/MISC -->
<xsl:choose>
<!-- Do not put MISC features on sytactic words -->
<xsl:when test="parent::tei:w">
<xsl:text>_</xsl:text>
</xsl:when>
<xsl:otherwise>
<xsl:call-template name="NER"/>
<xsl:call-template name="SpaceAfter">
<xsl:with-param name="no">|SpaceAfter=No</xsl:with-param>
</xsl:call-template>
</xsl:otherwise>
</xsl:choose>
<xsl:text> </xsl:text>
</xsl:template>
<!-- Return the number of the head token -->
<xsl:template name="head">
<xsl:param name="links"/>
<xsl:param name="id" select="@xml:id"/>
<!-- We need to take only the first link, in case of errros in linkGrp (two links with same token in FI) -->
<xsl:variable name="link" select="$links//tei:link[matches(@target,concat(' #', $id, '$'))][1]"/>
<xsl:variable name="head_id" select="substring-before($link/@target, ' ')"/>
<xsl:choose>
<xsl:when test="key('idr', $head_id)/local-name() = 's'">0</xsl:when>
<xsl:when test="key('idr', $head_id)[local-name() = 'pc' or local-name() = 'w']">
<xsl:apply-templates mode="number" select="key('idr', $head_id)"/>
</xsl:when>
<xsl:otherwise>
<xsl:message select="concat('ERROR: syntactic head ', $head_id, ' not found for token ', $id)"/>
<xsl:text>0</xsl:text>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
<!-- Return the number of the token in sentence -->
<xsl:template mode="number" match="tei:w | tei:pc">
<xsl:variable name="all">
<xsl:number count="tei:w | tei:pc" level="any" from="tei:s"/>
</xsl:variable>
<xsl:variable name="ignore">
<xsl:number count="tei:w[tei:w]" level="any" from="tei:s"/>
</xsl:variable>
<xsl:choose>
<xsl:when test="normalize-space($ignore)">
<xsl:value-of select="($all - $ignore)"/>
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="$all"/>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
<!-- Return the name of the syntactic relation -->
<xsl:template name="rel">
<xsl:param name="links"/>
<xsl:param name="id" select="@xml:id"/>
<!-- We need to take only the first link, in case of errros in linkGrp (two links with same token in FI) -->
<xsl:variable name="link" select="$links//tei:link
[matches(@target, concat(' #', $id, '$'))][1]"/>
<!-- In TEI : was changed to _ so it doesn't clash with extended pointer prefixes -->
<!-- This is a shorthand way of doing it, should really follow the link to the category/term -->
<xsl:variable name="rel" select="replace(substring-after($link/@ana, ':'), '_', ':')"/>
<xsl:choose>
<xsl:when test="normalize-space($rel)">
<xsl:value-of select="$rel"/>
</xsl:when>
<xsl:otherwise>
<xsl:text>_</xsl:text>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
<!-- Output NER feature (for MISC column) -->
<xsl:template name="NER">
<xsl:text>NER=</xsl:text>
<xsl:choose>
<xsl:when test="ancestor::tei:name[@type]">
<xsl:variable name="ancestor" select="generate-id(ancestor::tei:name[@type][last()])"/>
<xsl:variable name="type" select="ancestor::tei:name/@type"/>
<xsl:choose>
<xsl:when test="preceding::tei:*[1]
[ancestor::tei:*[generate-id(.) = $ancestor]]
">
<xsl:value-of select="concat('I-', $type)"/>
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="concat('B-', $type)"/>
</xsl:otherwise>
</xsl:choose>
</xsl:when>
<xsl:otherwise>O</xsl:otherwise>
</xsl:choose>
</xsl:template>
<!-- Output $no if token is @join-ed to next token, $yes otherwise -->
<xsl:template name="SpaceAfter">
<xsl:param name="yes"/>
<xsl:param name="no"/>
<xsl:choose>
<xsl:when test="@join = 'right' or @join='both' or
following::tei:*[self::tei:w or self::tei:pc][1]
[@join = 'left' or @join = 'both']">
<xsl:value-of select="$no"/>
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="$yes"/>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
<xsl:function name="et:sort_feats">
<xsl:param name="feats"/>
<xsl:variable name="sorted">
<xsl:for-each select="tokenize($feats, '\|')">
<xsl:sort select="lower-case(.)" order="ascending"/>
<xsl:value-of select="."/>
<xsl:text>|</xsl:text>
</xsl:for-each>
</xsl:variable>
<xsl:value-of select="replace($sorted, '\|$', '')"/>
</xsl:function>
<xsl:function name="et:prefix-replace">
<xsl:param name="val"/>
<xsl:choose>
<xsl:when test="contains($val, ':')">
<xsl:variable name="prefix" select="substring-before($val, ':')"/>
<xsl:variable name="val-in" select="substring-after($val, ':')"/>
<xsl:variable name="match" select="$listPrefix//tei:prefixDef[@ident = $prefix]
/@matchPattern"/>
<xsl:variable name="replace" select="$listPrefix//tei:prefixDef[@ident = $prefix]
/@replacementPattern"/>
<xsl:choose>
<xsl:when test="not(normalize-space($replace))">
<xsl:message terminate="yes" select="concat('Couldnt find replacement pattern in listPrefixDef for ', $val)"/>
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="replace($val-in, $match, $replace)"/>
</xsl:otherwise>
</xsl:choose>
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="$val"/>
</xsl:otherwise>
</xsl:choose>
</xsl:function>
</xsl:stylesheet>