Remember types in parser

Rather than derive the types from the parser via a separate transform,
collect them when building the parser and remember them in a
`<html:dl>` which can be queried with X·Path.

This is a prerequisite to accessing this information at parse time,
but also a useful optimization in its own right.

diff --git a/GNUmakefile b/GNUmakefile
index 2de20b2115420da7666e7c7a1f6e20398138c87e..e09da91a3f71107d688e5d8280b0ba083c956ec9 100644 (file)
--- a/GNUmakefile
+++ b/GNUmakefile
@@ -236,7 +236,7 @@ endif
 
 # Get the list of supported plaintext file types from the parser.
 ifneq ($(wildcard $(BUILDDIR)/parser.xslt),)
-override plaintexttypes := $(filter-out $(XMLTYPES),$(shell $(XSLTPROC) $(call quote,$(THISDIR)/lib/parser2types.xslt) $(call quote,$(BUILDDIR)/parser.xslt)))
+override plaintexttypes := $(filter-out $(XMLTYPES),$(shell $(XMLLINT) --xpath '/*/*[@name="书社:parsers"]//*[namespace-uri()="http://www.w3.org/1999/xhtml" and local-name()="dd"]/text()' $(call quote,$(BUILDDIR)/parser.xslt)))
 endif
 
 # (callable) Get all of the files (source and includes) which have the
@@ -416,7 +416,7 @@ ifeq ($(wildcard $(BUILDDIR)/.update-types),)
 #
 # This recipe sleeps for one second to ensure that files built after
 # the restart have a more current time·stamp.
-$(THISDIR)/GNUmakefile:: $(BUILDDIR)/magic.mgc $(BUILDDIR)/parser.xslt $(THISDIR)/lib/parser2types.xslt
+$(THISDIR)/GNUmakefile:: $(BUILDDIR)/magic.mgc $(BUILDDIR)/parser.xslt
        $(silent)$(TOUCH) $(THISDIR)/GNUmakefile
        $(silent)$(RM) -f $(call quote,$(BUILDDIR)/dependencies)
        @$(PRINTF) '%b\n' '\0033[1mMagic file or parsers have updated. Restarting…\0033[22m'

diff --git a/lib/catalog2parser.xslt b/lib/catalog2parser.xslt
index f35fbc12572d8e87794c64131f13129194b7fd7f..ead56da91dab9bd2916beda213937a7100703e2c 100644 (file)
--- a/lib/catalog2parser.xslt
+++ b/lib/catalog2parser.xslt
@@ -10,14 +10,63 @@ If a copy of the M·P·L was not distributed with this file, You can obtain one
 <transform
        xmlns="http://www.w3.org/1999/XSL/Transform"
        xmlns:catalog="urn:oasis:names:tc:entity:xmlns:xml:catalog"
+       xmlns:exslstr="http://exslt.org/strings"
+       xmlns:html="http://www.w3.org/1999/xhtml"
+       xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
        xmlns:xslt="http://www.w3.org/1999/XSL/TransformAlias"
        xmlns:书社="urn:fdc:ladys.computer:20231231:Shu1She4"
-       exclude-result-prefixes="catalog"
+       exclude-result-prefixes="catalog exslstr"
        version="1.0"
 >
        <namespace-alias stylesheet-prefix="xslt" result-prefix="#default"/>
        <template match="/">
                <xslt:transform version="1.0">
+                       <xslt:variable name="书社:parsers">
+                               <html:dl>
+                                       <for-each select="//catalog:uri">
+                                               <variable name="parser" select="document(@uri, .)"/>
+                                               <html:div>
+                                                       <html:dt>
+                                                               <value-of select="@name"/>
+                                                       </html:dt>
+                                                       <choose>
+                                                               <when test="$parser/*/@书社:supported-media-types">
+                                                                       <for-each select="exslstr:tokenize($parser/*/@书社:supported-media-types)">
+                                                                               <if test="not(translate(., '0123456789abcdefghijklmnopqrstuvwxyz!#$&#x26;-^_.+/', ''))">
+                                                                                       <html:dd>
+                                                                                               <value-of select="."/>
+                                                                                       </html:dd>
+                                                                               </if>
+                                                                       </for-each>
+                                                               </when>
+                                                               <otherwise>
+                                                                       <for-each select="$parser//xsl:template[not(@name) and not(@mode)]">
+                                                                               <variable name="match" select="@match"/>
+                                                                               <for-each select="namespace::*[local-name() and string()='http://www.w3.org/1999/xhtml']">
+                                                                                       <variable name="matchstart">
+                                                                                               <value-of select="local-name()"/>
+                                                                                               <text>:</text>
+                                                                                               <text>script[@type=</text>
+                                                                                       </variable>
+                                                                                       <if test="starts-with($match, $matchstart) and substring($match, string-length($match))=']' and contains($match, '/')">
+                                                                                               <variable name="inner" select="substring-before(substring-after($match, $matchstart), ']')"/>
+                                                                                               <if test="starts-with($inner, '&#x22;') and substring($inner, string-length($inner))='&#x22;' or starts-with($inner, &#x22;'&#x22;) and substring($inner, string-length($inner))=&#x22;'&#x22;">
+                                                                                                       <variable name="type" select="substring($inner, 2, string-length($inner)-2)"/>
+                                                                                                       <if test="not(translate($type, '0123456789abcdefghijklmnopqrstuvwxyz!#$&#x26;-^_.+/', ''))">
+                                                                                                               <html:dd>
+                                                                                                                       <value-of select="$type"/>
+                                                                                                               </html:dd>
+                                                                                                       </if>
+                                                                                               </if>
+                                                                                       </if>
+                                                                               </for-each>
+                                                                       </for-each>
+                                                               </otherwise>
+                                                       </choose>
+                                               </html:div>
+                                       </for-each>
+                               </html:dl>
+                       </xslt:variable>
                        <for-each select="//catalog:uri">
                                <xslt:include href="{@uri}">
                                        <if test="contains(@name, ':')">

diff --git a/lib/parser2types.xslt b/lib/parser2types.xslt
deleted file mode 100644 (file)
index 1dfa90c..0000000
--- a/lib/parser2types.xslt
+++ /dev/null
@@ -1,56 +0,0 @@
-<?xml version="1.0"?>
-<!--
-⁌ ⛩️📰 书社 ∷ lib/parser2types.xslt
-
-© 2023–2024 Lady [@ Lady’s Computer]
-
-This Source Code Form is subject to the terms of the Mozilla Public License, v 2.0.
-If a copy of the M·P·L was not distributed with this file, You can obtain one at <https://mozilla.org/MPL/2.0/>.
--->
-<transform
-       xmlns="http://www.w3.org/1999/XSL/Transform"
-       xmlns:catalog="urn:oasis:names:tc:entity:xmlns:xml:catalog"
-       xmlns:exslstr="http://exslt.org/strings"
-       xmlns:xslt="http://www.w3.org/1999/XSL/Transform"
-       xmlns:书社="urn:fdc:ladys.computer:20231231:Shu1She4"
-       version="1.0"
->
-       <template match="/">
-               <for-each select="//xslt:include">
-                       <variable name="included" select="document(@href, .)"/>
-                       <choose>
-                               <when test="$included/*/@书社:supported-media-types">
-                                       <for-each select="exslstr:tokenize($included/*/@书社:supported-media-types)">
-                                               <if test="not(translate(., '0123456789abcdefghijklmnopqrstuvwxyz!#$&#x26;-^_.+/', ''))">
-                                                       <value-of select="."/>
-                                                       <text>&#xA;</text>
-                                               </if>
-                                       </for-each>
-                               </when>
-                               <otherwise>
-                                       <for-each select="$included//xslt:template[not(@name) and not(@mode)]">
-                                               <variable name="match" select="@match"/>
-                                               <for-each select="namespace::*[local-name() and string()='http://www.w3.org/1999/xhtml']">
-                                                       <variable name="matchstart">
-                                                               <value-of select="local-name()"/>
-                                                               <text>:</text>
-                                                               <text>script[@type=</text>
-                                                       </variable>
-                                                       <if test="starts-with($match, $matchstart) and substring($match, string-length($match))=']' and contains($match, '/')">
-                                                               <variable name="inner" select="substring-before(substring-after($match, $matchstart), ']')"/>
-                                                               <if test="starts-with($inner, '&#x22;') and substring($inner, string-length($inner))='&#x22;' or starts-with($inner, &#x22;'&#x22;) and substring($inner, string-length($inner))=&#x22;'&#x22;">
-                                                                       <variable name="type" select="substring($inner, 2, string-length($inner)-2)"/>
-                                                                       <if test="not(translate($type, '0123456789abcdefghijklmnopqrstuvwxyz!#$&#x26;-^_.+/', ''))">
-                                                                               <value-of select="$type"/>
-                                                                               <text>&#xA;</text>
-                                                                       </if>
-                                                               </if>
-                                                       </if>
-                                               </for-each>
-                                       </for-each>
-                               </otherwise>
-                       </choose>
-               </for-each>
-       </template>
-       <output method="text" encoding="UTF-8"/>
-</transform>