Improvements to Record Jar parsing

This brings the behaviour a little closer to what is specified in
various sources and simplifies it thanks to E·X·S·L sets.

diff --git a/parsers/record-jar.xslt b/parsers/record-jar.xslt
index b58505d3600da93e842ae752f1581a4fa30f6cc2..216a2a6930595fa1df0542e9039a677444e66a98 100644 (file)
--- a/parsers/record-jar.xslt
+++ b/parsers/record-jar.xslt
@@ -1,12 +1,12 @@
 <?xml version="1.0"?>
 <!--
-SPDX-FileCopyrightText: 2024 Lady <https://www.ladys.computer/about/#lady>
+SPDX-FileCopyrightText: 2024, 2026 Lady <https://www.ladys.computer/about/#lady>
 SPDX-License-Identifier: MPL-2.0
 -->
 <!--
 ⁌ ⛩📰 书社 ∷ parsers/record-jar.xslt
 
-© 2024 Lady [@ Ladys Computer].
+© 2024, 2026 Lady [@ Ladys 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/>.
@@ -17,17 +17,18 @@ 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:exsl="http://exslt.org/common"
+       xmlns:exslset="http://exslt.org/sets"
        xmlns:exslstr="http://exslt.org/strings"
        xmlns:html="&xhtml;"
        xmlns:书社="urn:fdc:ladys.computer:20231231:Shu1She4"
-       extension-element-prefixes="exsl exslstr"
+       extension-element-prefixes="exsl exslset exslstr"
        version="1.0"
 >
        <书社:id>urn:fdc:ladys.computer:20231231:Shu1She4:record-jar.xslt</书社:id>
        <template match="html:script[@type='text/record-jar']">
-               <variable name="lines" select="exslstr:tokenize(., '&#xA;')"/>
+               <variable name="lines" select="exslstr:tokenize(., '&#xA;&#xD;')[not(normalize-space(.)='')]"/>
                <element name="div" namespace="&xhtml;">
-                       <if test="starts-with($lines[1], '%%') and substring-after($lines[1], '%%')!=''">
+                       <if test="starts-with($lines[1], '%%') and $lines[1]!='%%'">
                                <comment>
                                        <value-of select="substring-after($lines[1], '%%')"/>
                                </comment>
@@ -35,14 +36,15 @@ If a copy of the M·P·L was not distributed with this file, You can obtain one
                        <for-each select="$lines[not(position()=1) and starts-with(., '%%')]">
                                <variable name="end" select="."/>
                                <variable name="start" select="preceding-sibling::*[starts-with(., '%%')][1]"/>
-                               <variable name="fields" select="($start/following-sibling::*|$lines[not($start)])[not(preceding-sibling::*[generate-id()=generate-id($end)]) and not(starts-with(., '%%'))]"/>
+                               <variable name="fields" select="exslset:intersection(exslset:trailing($end/preceding-sibling::*, $start), $lines)"/>
                                <if test="$fields">
                                        <element name="dl" namespace="&xhtml;">
                                                <for-each select="$fields">
+                                                       <variable name="following" select="exslset:intersection($fields, following-sibling::*)"/>
                                                        <choose>
-                                                               <when test="starts-with(., ' ') and $fields[generate-id()=generate-id(current()/preceding-sibling::*[1])]"/>
+                                                               <when test="contains(' &#x9;', substring(., 1, 1)) and exslset:has-same-node($fields, preceding-sibling::*[1])"/>
                                                                <otherwise>
-                                                                       <variable name="next" select="following-sibling::*[not(starts-with(., ' '))]"/>
+                                                                       <variable name="next" select="$following[not(contains(' &#x9;', substring(., 1, 1)))][1]"/>
                                                                        <element name="div" namespace="&xhtml;">
                                                                                <element name="dt" namespace="&xhtml;">
                                                                                        <value-of select="normalize-space(substring-before(., ':'))"/>
@@ -59,17 +61,17 @@ If a copy of the M·P·L was not distributed with this file, You can obtain one
                                                                                                </choose>
                                                                                        </variable>
                                                                                        <choose>
-                                                                                               <when test="substring($firstline, string-length($firstline))='\' and following-sibling::*[position()=1 and starts-with(., ' ')]">
+                                                                                               <when test="substring($firstline, string-length($firstline))='\' and $following[position()=1 and contains(' &#x9;', substring(., 1, 1))]">
                                                                                                        <value-of select="substring($firstline, 1, string-length($firstline)-1)"/>
                                                                                                </when>
                                                                                                <otherwise>
                                                                                                        <value-of select="$firstline"/>
                                                                                                </otherwise>
                                                                                        </choose>
-                                                                                       <for-each select="following-sibling::*[starts-with(., ' ') and not(preceding-sibling::*[generate-id()=generate-id($next)])]">
+                                                                                       <for-each select="exslset:leading($following, $next)[contains(' &#x9;', substring(., 1, 1))]">
                                                                                                <variable name="nextline" select="normalize-space(.)"/>
                                                                                                <choose>
-                                                                                                       <when test="substring($nextline, string-length($nextline))='\' and following-sibling::*[position()=1 and starts-with(., ' ')]">
+                                                                                                       <when test="substring($nextline, string-length($nextline))='\' and exslset:intersection($fields, following-sibling::*)[position()=1 and contains(' &#x9;', substring(., 1, 1))]">
                                                                                                                <value-of select="substring($nextline, 1, string-length($nextline)-1)"/>
                                                                                                        </when>
                                                                                                        <otherwise>