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localize dates according to document lang in NL, DE and EN (default) #150

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localize dates according to document lang in NL, DE and EN (default) #150

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b0c8bdc
localize dates according to document lang in NL, DE and EN (default)
gronke Jun 3, 2025
8ec5f82
comment reason in xslt/dates.xslt
gronke Jun 5, 2025
41eef1d
support English dates in UK and US (default) format
gronke Jun 5, 2025
d0b6d9d
use localized dateTime format in version history
gronke Jun 8, 2025
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141 changes: 141 additions & 0 deletions xslt/dates.xsl
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<!--
Hardcoded localization for dates in NL, DE and EN (default)
to support internationalized dates according to document $lang
-->
<xsl:stylesheet
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:xs="http://www.w3.org/2001/XMLSchema"
xmlns:fo="http://www.w3.org/1999/XSL/Format"
xmlns:dt-local="http://www.radical.sexy/schema/dt-local"
version="2.0"
exclude-result-prefixes="dt-local">

<xsl:variable name="month-de">
<m num="1" name="Januar"/>
<m num="2" name="Februar"/>
<m num="3" name="März"/>
<m num="4" name="April"/>
<m num="5" name="Mai"/>
<m num="6" name="Juni"/>
<m num="7" name="Juli"/>
<m num="8" name="August"/>
<m num="9" name="September"/>
<m num="10" name="Oktober"/>
<m num="11" name="November"/>
<m num="12" name="Dezember"/>
</xsl:variable>

<xsl:variable name="month-nl">
<m num="1" name="januari"/>
<m num="2" name="februari"/>
<m num="3" name="maart"/>
<m num="4" name="april"/>
<m num="5" name="mei"/>
<m num="6" name="juni"/>
<m num="7" name="juli"/>
<m num="8" name="augustus"/>
<m num="9" name="september"/>
<m num="10" name="oktober"/>
<m num="11" name="november"/>
<m num="12" name="december"/>
</xsl:variable>

<xsl:variable name="month-en">
<m num="1" name="January"/>
<m num="2" name="February"/>
<m num="3" name="March"/>
<m num="4" name="April"/>
<m num="5" name="May"/>
<m num="6" name="June"/>
<m num="7" name="July"/>
<m num="8" name="August"/>
<m num="9" name="September"/>
<m num="10" name="October"/>
<m num="11" name="November"/>
<m num="12" name="December"/>
</xsl:variable>

<xsl:function name="dt-local:format-date-local" as="xs:string">
<xsl:param name="d" as="xs:date"/>
<xsl:param name="lang" as="xs:string"/>

<xsl:variable name="day" select="day-from-date($d)"/>
<xsl:variable name="mon" select="month-from-date($d)"/>
<xsl:variable name="yr" select="year-from-date($d)"/>

<xsl:variable name="mname">
<xsl:choose>
<xsl:when test="$lang = 'de'">
<xsl:value-of select="$month-de/m[@num = $mon]/@name"/>
</xsl:when>
<xsl:when test="$lang = 'nl'">
<xsl:value-of select="$month-nl/m[@num = $mon]/@name"/>
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="$month-en/m[@num = $mon]/@name"/>
</xsl:otherwise>
</xsl:choose>
</xsl:variable>

<xsl:choose>
<!-- German: "D. Monat YYYY" -->
<xsl:when test="$lang = 'de'">
<xsl:sequence select="concat($day, '. ', $mname, ' ', $yr)"/>
</xsl:when>

<!-- Dutch: "D maand YYYY" -->
<xsl:when test="$lang = 'nl'">
<xsl:sequence select="concat($day, ' ', $mname, ' ', $yr)"/>
</xsl:when>

<!-- English (GB): "D Month YYYY" -->
<xsl:when test="$lang = 'en-GB'">
<xsl:sequence select="concat($day, ' ', $mname, ' ', $yr)"/>
</xsl:when>

<!-- English (US, default): "Month D, YYYY" -->
<xsl:otherwise>
<xsl:sequence select="concat($mname, ' ', $day, ', ', $yr)"/>
</xsl:otherwise>
</xsl:choose>
</xsl:function>

<xsl:function name="dt-local:format-dateTime-local" as="xs:string">
<xsl:param name="d" as="xs:dateTime"/>
<xsl:param name="lang" as="xs:string"/>

<xsl:variable name="d_date" select="xs:date($d)"/>
<xsl:variable name="d_time" select="xs:time($d)"/>

<fo:inline>
<xsl:value-of select="dt-local:format-date-local($d_date, $lang)"/>
<xsl:value-of select="$d_time"/>
</fo:inline>
</xsl:function>

<xsl:function name="dt-local:format-date-local-tbd" as="xs:string">
<xsl:param name="d" as="xs:date?"/>
<xsl:param name="lang" as="xs:string"/>
<xsl:choose>
<xsl:when test="not(exists($d))">TBD</xsl:when>
<xsl:otherwise>
<xsl:variable name="_d" select="xs:date($d)"/>
<xsl:value-of select="dt-local:format-date-local($_d, $lang)"/>
</xsl:otherwise>
</xsl:choose>
</xsl:function>

<xsl:function name="dt-local:format-dateTime-local-tbd" as="xs:string">
<xsl:param name="d" as="xs:dateTime?"/>
<xsl:param name="lang" as="xs:string"/>

<xsl:choose>
<xsl:when test="not(exists($d))">TBD</xsl:when>
<xsl:otherwise>
<xsl:variable name="_d" select="xs:dateTime($d)"/>
<xsl:value-of select="dt-local:format-dateTime-local($_d, $lang)"/>
</xsl:otherwise>
</xsl:choose>
</xsl:function>

</xsl:stylesheet>
10 changes: 2 additions & 8 deletions xslt/functions_params_vars.xslt
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Expand Up @@ -2,6 +2,7 @@
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:xs="http://www.w3.org/2001/XMLSchema"
xmlns:my="http://www.radical.sexy"
xmlns:dt-local="http://www.radical.sexy/schema/dt-local"
xmlns:fo="http://www.w3.org/1999/XSL/Format"
exclude-result-prefixes="xs my" version="2.0">

Expand Down Expand Up @@ -433,14 +434,7 @@
<xsl:for-each select="//version_history/version">
<xsl:sort select="xs:dateTime(@date)" order="descending"/>
<xsl:if test="position() = 1">
<xsl:value-of
select="format-dateTime(@date, '[MNn] [D1o], [Y]', 'en', (), ())"/>
<!-- Note: this should be:
<xsl:value-of select="format-dateTime(@date, $localDateFormat, $lang, (), ())"/>
to properly be localised, but we're using Saxon HE instead of PE/EE and having localised month names
would require creating a LocalizerFactory
See http://www.saxonica.com/html/documentation/extensibility/config-extend/localizing/ for more info
sounds like I'd have to know Java for that so for now, the date isn't localised. :) -->
<xsl:value-of select="dt-local:format-dateTime-local-tbd(@date, $lang)"/>
</xsl:if>
</xsl:for-each>
</xsl:otherwise>
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2 changes: 2 additions & 0 deletions xslt/localisation.xslt
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@@ -1,8 +1,10 @@
<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:dt-local="http://www.radical.sexy/schema/dt-local"
xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:xlink="http://www.w3.org/1999/xlink"
xmlns:fo="http://www.w3.org/1999/XSL/Format" exclude-result-prefixes="xs" version="2.0">

<xsl:include href="dates.xsl"/>

<xsl:variable name="strdoc"
select="document('../source/snippets/localisationstrings.xml')/localised_strings"/>
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5 changes: 2 additions & 3 deletions xslt/meta.xslt
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@@ -1,6 +1,7 @@
<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:dt-local="http://www.radical.sexy/schema/dt-local"
xmlns:xs="http://www.w3.org/2001/XMLSchema" exclude-result-prefixes="xs my"
xmlns:fo="http://www.w3.org/1999/XSL/Format"
xmlns:my="http://www.radical.sexy"
Expand Down Expand Up @@ -317,9 +318,7 @@
</fo:table-cell>
<fo:table-cell xsl:use-attribute-sets="td">
<fo:block>
<xsl:value-of
select="format-dateTime(@date, '[MNn] [D1o], [Y]', 'en', (), ())"
/>
<xsl:value-of select="dt-local:format-dateTime-local($date, $lang)"/>
</fo:block>
</fo:table-cell>
<fo:table-cell xsl:use-attribute-sets="td">
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5 changes: 2 additions & 3 deletions xslt/placeholders.xslt
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Expand Up @@ -3,6 +3,7 @@
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:xs="http://www.w3.org/2001/XMLSchema"
xmlns:my="http://www.radical.sexy"
xmlns:dt-local="http://www.radical.sexy/schema/dt-local"
exclude-result-prefixes="xs my"
version="2.0"
>
Expand Down Expand Up @@ -937,9 +938,7 @@
self::p_draftdue or self::p_reportdue) and string($placeholderElement) castable as xs:date"
>
<!-- pretty printing for date -->
<xsl:value-of
select="format-date($placeholderElement, '[MNn] [D1], [Y]', 'en', (), ())"
/>
<xsl:value-of select="dt-local:format-date-local-tbd($placeholderElement, $lang)"/>
</xsl:when>
<xsl:when
test="(self::contract_end_date or
Expand Down