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Rewrite the OPML generator in XQuery

This commit is contained in:
~lucidiot 2023-10-13 10:17:31 +02:00
parent 79daa5d690
commit c3ae653194
3 changed files with 40 additions and 78 deletions
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8
Makefile
View File

@ -1,11 +1,11 @@
.PHONY: all
all: css/sprites.css opml/feeds.opml opml/nhc.opml
opml/feeds.opml: feed.xml xsl/opml.xsl
xsltproc --stringparam current-date "$(shell date -R)" -o $@ xsl/opml.xsl feed.xml
opml/feeds.opml: feed.xml xquery/feeds_opml.xqy
xidel --silent feed.xml --extract-kind=xquery3 --extract-file=xquery/feeds_opml.xqy --output-format=xml > $@
chmod a+r $@
opml/nhc.opml: bin/build_nhc_opml
opml/nhc.opml: bin/build_nhc_opml xquery/nhc_opml.xqy
bin/build_nhc_opml > $@
chmod a+r $@
@ -15,6 +15,6 @@ img/sprites.png: $(sprites)
convert $(sprites) +append $@
chmod a+r $@
css/sprites.css: img/sprites.png
css/sprites.css: img/sprites.png xquery/build_sprites_css.xqy
xidel --silent --extract-kind=xquery3 --extract-file=xquery/build_sprites_css.xqy > $@
chmod a+r $@

36
xquery/feeds_opml.xqy Normal file
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@ -0,0 +1,36 @@
xquery version "3.0" encoding "utf-8";
<opml version="2.0">
<head>
<title>RSRSSS curated feeds</title>
<dateModified>{format-dateTime(adjust-dateTime-to-timezone(current-dateTime(), xs:dayTimeDuration("PT0S")), "[FNn,*-3], [D01] [MNn,*-3] [Y0001] [H01]:[m01]:[s01] GMT")}</dateModified>
<ownerName>lucidiot</ownerName>
<ownerEmail>lucidiot@envs.net</ownerEmail>
<ownerId>https://tilde.town/~lucidiot/contact.html</ownerId>
<docs>http://dev.opml.org/spec2.html</docs>
</head>
<body>
{
for $item in /rss/channel/item[category[@domain='https://envs.net/~lucidiot/rsrsss/' and (text()='Feed' or text()='OPML')] and link]
return element outline {
attribute type {
if (exists($item/category[@domain='https://envs.net/~lucidiot/rsrsss/' and (text()='OPML')]))
then 'include'
else 'rss'
},
attribute text {$item/title},
attribute title {$item/title},
attribute xmlUrl {$item/link},
if (exists($item/description)) then attribute description {normalize-space($item/description)} else (),
if (exists($item/pubDate)) then attribute created {$item/pubDate} else (),
let $categories := string-join(
$item/category[@domain='https://envs.net/~lucidiot/rsrsss/' and (text()!='OPML' and text()!='Feed')]/text()
! concat('/', .),
','
)
return if (string-length($categories) > 0)
then attribute category {$categories}
else ()
}
}
</body>
</opml>

74
xsl/opml.xsl
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@ -1,74 +0,0 @@
<?xml version="1.0"?>
<xsl:stylesheet
version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:output method="xml" indent="yes" />
<xsl:param name="current-date" />
<xsl:template match="channel">
<opml version="2.0">
<head>
<title>RSRSSS curated feeds</title>
<xsl:if test="$current-date">
<dateModified>
<xsl:value-of select="$current-date" />
</dateModified>
</xsl:if>
<ownerName>lucidiot</ownerName>
<ownerEmail>lucidiot@envs.net</ownerEmail>
<ownerId>https://tilde.town/~lucidiot/contact.html</ownerId>
<docs>http://dev.opml.org/spec2.html</docs>
</head>
<body>
<xsl:apply-templates select="item[category[@domain='https://envs.net/~lucidiot/rsrsss/' and (text()='Feed' or text()='OPML')] and link]" />
</body>
</opml>
</xsl:template>
<xsl:template match="item[category[@domain='https://envs.net/~lucidiot/rsrsss/' and (text()='Feed' or text()='OPML')] and link]">
<xsl:element name="outline">
<xsl:attribute name="type">
<xsl:choose>
<xsl:when test="category[@domain='https://envs.net/~lucidiot/rsrsss/' and text()='OPML']">
<xsl:text>include</xsl:text>
</xsl:when>
<xsl:otherwise>
<xsl:text>rss</xsl:text>
</xsl:otherwise>
</xsl:choose>
</xsl:attribute>
<xsl:attribute name="text">
<xsl:value-of select="title" />
</xsl:attribute>
<xsl:attribute name="title">
<xsl:value-of select="title" />
</xsl:attribute>
<xsl:attribute name="xmlUrl">
<xsl:value-of select="link" />
</xsl:attribute>
<xsl:if test="description">
<xsl:attribute name="description">
<xsl:value-of select="normalize-space(description)" />
</xsl:attribute>
</xsl:if>
<xsl:if test="pubDate">
<xsl:attribute name="created">
<xsl:value-of select="pubDate" />
</xsl:attribute>
</xsl:if>
<xsl:if test="category[@domain='https://envs.net/~lucidiot/rsrsss/' and text()!='Feed' and text()!='OPML']">
<xsl:attribute name="category">
<xsl:for-each select="category[@domain='https://envs.net/~lucidiot/rsrsss/' and text()!='Feed' and text()!='OPML']">
<xsl:text>/</xsl:text>
<xsl:value-of select="." />
<xsl:if test="position() != last()">,</xsl:if>
</xsl:for-each>
</xsl:attribute>
</xsl:if>
</xsl:element>
</xsl:template>
</xsl:stylesheet>