TEI2MD.xsl

<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
    xmlns:xs="http://www.w3.org/2001/XMLSchema"
    xmlns:tei="http://www.tei-c.org/ns/1.0"
    xmlns:xhtml="http://www.w3.org/1999/xhtml"
    exclude-result-prefixes="xs tei xhtml"
    version="2.0">
    
    <!-- This XSLT has been adapted from work done over time by members of the TEI-C council and community.
    Most recently it was developed specifically to transform the XML output from the Transkribus platform
    to TEI-All by members of the Leaf Editorial Academic Framework (LEAF) team for use with the LEAF-Writer text-encoding enfironment.
    The LEAF-Writer project is licensed under the GNU Affero General Public License v3.0 (https://choosealicense.com/licenses/agpl-3.0/)
    For more information about LEAF-Writer, the larger LEAF platform, go to: https://gitlab.com/calincs/cwrc/leaf-writer/leaf-writer-->
    
    <xsl:output 
        indent="no" 
        method="text"/>
    
    <xsl:strip-space elements="additional address adminInfo
        altGrp altIdentifier analytic
        app appInfo application
        arc argument attDef
        attList availability back
        biblFull biblStruct bicond
        binding bindingDesc body
        broadcast cRefPattern calendar
        calendarDesc castGroup
        castList category certainty
        char charDecl charProp
        choice cit classDecl
        classSpec classes climate
        cond constraintSpec correction
        custodialHist decoDesc
        dimensions div div1 div2
        div3 div4 div5 div6
        div7 divGen docTitle eLeaf
        eTree editionStmt
        editorialDecl elementSpec
        encodingDesc entry epigraph
        epilogue equipment event
        exemplum fDecl fLib
        facsimile figure fileDesc
        floatingText forest front
        fs fsConstraints fsDecl
        fsdDecl fvLib gap glyph
        graph graphic group
        handDesc handNotes history
        hom hyphenation iNode if
        imprint incident index
        interpGrp interpretation join
        joinGrp keywords kinesic
        langKnowledge langUsage
        layoutDesc leaf lg linkGrp
        list listBibl listChange
        listEvent listForest listNym
        listOrg listPerson listPlace
        listRef listRelation
        listTranspose listWit location
        locusGrp macroSpec metDecl
        moduleRef moduleSpec monogr
        msContents msDesc msIdentifier
        msItem msItemStruct msPart
        namespace node normalization
        notatedMusic notesStmt nym
        objectDesc org particDesc
        performance person personGrp
        physDesc place population
        postscript precision
        profileDesc projectDesc
        prologue publicationStmt
        quotation rdgGrp recordHist
        recording recordingStmt
        refsDecl relatedItem relation
        relationGrp remarks respStmt
        respons revisionDesc root
        row samplingDecl schemaSpec
        scriptDesc scriptStmt seal
        sealDesc segmentation
        seriesStmt set setting
        settingDesc sourceDesc
        sourceDoc sp spGrp space
        spanGrp specGrp specList
        state stdVals subst
        substJoin superEntry
        supportDesc surface surfaceGrp
        table tagsDecl taxonomy
        teiCorpus teiHeader terrain
        text textClass textDesc
        timeline titlePage titleStmt
        trait transpose tree
        triangle typeDesc vAlt
        vColl vDefault vLabel
        vMerge vNot vRange valItem
        valList vocal"/>
    
    <xsl:template match="tei:teiHeader">
        <xsl:value-of select="concat('# ', tei:fileDesc/tei:titleStmt/tei:title[1], '&#13;')"/>
        <xsl:if test="tei:fileDesc/tei:titleStmt/tei:author">
            <xsl:value-of select="concat('## by ', tei:fileDesc/tei:titleStmt/tei:author[1], '&#13;')"/>
        </xsl:if>
    </xsl:template>
    
    
    
<!--    <xsl:template match="text()">
        <xsl:value-of select="translate(., ' ', '')"/>
    </xsl:template>-->

    
    <xsl:template match="/">
        <xsl:apply-templates/>
    </xsl:template>
 
 <!-- == NAMED TEMPLATES == -->
    <xsl:template name="return2">
        <xsl:text>&#13;</xsl:text>
    </xsl:template>
        
    <xsl:template name="return">
        <xsl:text>&#10;</xsl:text>
    </xsl:template>

    <!-- == BASIC TEXT STRUCTURE ==    -->
    
    <!-- head element is rendered with a # for Heading 1 -->
    <xsl:template match="tei:head">
    <xsl:text>&#35; </xsl:text>
    <xsl:apply-templates/>
        <xsl:call-template name="return2"/>
    </xsl:template>
    
    <!-- p and lg elements have a double-space at their end. -->
    <xsl:template match="tei:div | tei:p">
        <xsl:call-template name="return2"/>
        <xsl:apply-templates/>
        <xsl:call-template name="return2"/> 
    </xsl:template>
    
    <xsl:template match="tei:lg">
        <xsl:call-template name="return2"/>
        <xsl:call-template name="return2"/>
        <xsl:apply-templates/>
    </xsl:template>

    
    <!-- lb elements are treated as br elements in HTML -->     
    <xsl:template match="tei:lb">
        <xsl:call-template name="return"/>
        <xsl:apply-templates/> 
        <xsl:call-template name="return"/>
    </xsl:template>
    
    <xsl:template match="tei:l">
        <xsl:call-template name="return"/>
        <xsl:apply-templates/> 
        <xsl:text>  </xsl:text>
    </xsl:template>
    
    <!-- hide page but shows the page number -->
    <xsl:template match="tei:pb[@n]">
        <xsl:call-template name="return2"/>  
        <xsl:value-of select="concat(' [', @n, '] ')"/>
        <xsl:call-template name="return2"/>    
    </xsl:template>
    
<xsl:template match="tei:byline">
    <xsl:text>*</xsl:text>
    <xsl:apply-templates/>
    <xsl:text>*</xsl:text>
    <xsl:call-template name="return2"/>
</xsl:template>

    <!-- == LISTS AND ITEMS == -->   
    <!-- List elements are treated as ul(unordered list) elements in HTML / can be changed to ol (ordered list) here  -->
    <xsl:template match="tei:list">
        <xsl:apply-templates select="tei:item"/>
    </xsl:template>
    
    <!-- Item elements are treated as li (list item) elements in HTML -->
    <xsl:template match="tei:div/tei:list/tei:item">
        - <xsl:apply-templates/>
        <xsl:text>&#10;</xsl:text>
    </xsl:template>
    
    <!-- text that is rendered as underlined is rendered as underlined -->
    <xsl:template match="tei:hi[@rend='underline']">
        <xsl:text>_</xsl:text><xsl:apply-templates/><xsl:text>_</xsl:text>
    </xsl:template>
    
    <!-- text that is rendered as italicized in encoded source is rendered in italics -->
    <xsl:template match="tei:emph">
        <xsl:text>**</xsl:text>
        <xsl:apply-templates/>
        <xsl:text>**</xsl:text>
    </xsl:template>
        
    
    <!-- notes (regardless of type) have 'Note:' placed in front of them and are rendered in italics to distinguish them from surrounding text -->
    <xsl:template match="tei:note">
        <xsl:text> *Note: </xsl:text>
        <xsl:apply-templates/>
        <xsl:text>* </xsl:text>
    </xsl:template>
        
    <!-- == PEOPLE, PLACES, THINGS == -->

   <!-- Trying to figure out how to create weblink in Markdown using the TEI structure --> 
   <xsl:template match="tei:persName['@ref'] | tei:placeName['@ref'] | tei:orgName['@ref'] | tei:title['@ref']">

        <xsl:choose>
            <xsl:when test="@ref">
                <xsl:text>[</xsl:text>
                <xsl:apply-templates/>
                <xsl:text>]</xsl:text>
                <xsl:text>(</xsl:text>
                <xsl:apply-templates select="@ref"/>
                <xsl:text>) </xsl:text>
            </xsl:when>
            <xsl:otherwise>
                <xsl:apply-templates/>
            </xsl:otherwise>
        </xsl:choose>

    </xsl:template>

    <xsl:template match="tei:ref[@target]">
        <xsl:text>[</xsl:text><xsl:apply-templates/><xsl:text>]</xsl:text>
        <xsl:value-of select="concat( '(', @target,  ')' )"/>
    </xsl:template>
    
    <!-- match tei:graphic with a url, grab a description, create markdown -->
    <xsl:template match="tei:graphic[starts-with(@url, 'http')]">
        <xsl:variable name="description">
            <xsl:choose>
                <xsl:when test="tei:desc"><xsl:value-of select="tei:desc"/></xsl:when>
                <xsl:when test="parent::tei:figure/tei:figDesc[1]"><xsl:value-of select="parent::tei:figure/tei:figDesc[1]"/></xsl:when>
                <xsl:when test="parent::tei:figure/tei:head[1]"><xsl:value-of select="parent::tei:figure/tei:head[1]"/></xsl:when>
                <xsl:otherwise>Image</xsl:otherwise>
            </xsl:choose>
        </xsl:variable>
        <xsl:value-of select="concat( '&#xA;![', $description, '](', @url, ')' )"/>
    </xsl:template>
    <!-- Don't put out figure descriptions used above -->
    <xsl:template match="tei:figure/tei:figDesc | tei:figure/tei:head"/>

<!-- What does this do?
    <xsl:template match="node()">
        <xsl:copy>
            <xsl:apply-templates select="@*|node()"/>
        </xsl:copy>
    </xsl:template> -->
    
    <!--    <!-\- lg (line group) elements are treated as p elements in HTML  -\->
    <xsl:template match="tei:lg">
        <xsl:apply-templates/>
        <xsl:text>&#10;</xsl:text>
    </xsl:template>
    
    <!-\- l (line) elements are treated as br elements in HTML-\->
    <xsl:template match="tei:l">
        <xsl:value-of select="normalize-space()"/>
        <xsl:text>&#10;</xsl:text>
    </xsl:template>-->
    
    
</xsl:stylesheet>