add docbook-xsl (dependency for asciidoc)

packages/asciidoc/build.sh

@@ -1,10 +1,11 @@
 TERMUX_PKG_HOMEPAGE=http://asciidoc.org
-TERMUX_PKG_DESCRIPTION="Text document format for writing notes, documentation, articles, books, ebooks, slideshows, web pages, man pages and blogs"
+TERMUX_PKG_DESCRIPTION="Text document format for short documents, articles, books and UNIX man pages."
 TERMUX_PKG_LICENSE="GPL-2.0"
 TERMUX_PKG_VERSION=8.6.10
 TERMUX_PKG_SRCURL=https://github.com/asciidoc/asciidoc/archive/${TERMUX_PKG_VERSION}.tar.gz
 TERMUX_PKG_SHA256=9e52f8578d891beaef25730a92a6e723596ddbd07bfe0d2a56486fcf63a0b983
-TERMUX_PKG_DEPENDS="libxslt, python2"
+TERMUX_PKG_DEPENDS="docbook-xsl, libxslt, python2"
+TERMUX_PKG_SUGGESTS="lynx, w3m"
 TERMUX_PKG_BUILD_IN_SRC=true
 
 termux_step_pre_configure() {
@@ -15,6 +16,5 @@ termux_step_pre_configure() {
 termux_step_post_make_install() {
 	make docs
 	install -Dm644 asciidocapi.py \
-                $TERMUX_PREFIX/lib/python2.7/site-packages/asciidocapi.py
-
+		$TERMUX_PREFIX/lib/python2.7/site-packages/asciidocapi.py
 }

packages/docbook-xsl/765567_non-recursive_string_subst.patch

@@ -0,0 +1,32 @@
+Description: use EXSLT "replace" function when available
+ A recursive implementation  of string.subst is problematic,
+ long strings with many matches will cause stack overflows.
+Author: Peter De Wachter <pdewacht@gmail.com>
+Bug-Debian: https://bugs.debian.org/750593
+
+--- docbook-xsl-1.78.1+dfsg.orig/docbook-xsl/lib/lib.xsl
++++ docbook-xsl-1.78.1+dfsg/docbook-xsl/lib/lib.xsl
+@@ -6,7 +6,11 @@
+ 
+      This module implements DTD-independent functions
+ 
+-     ******************************************************************** --><xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">
++     ******************************************************************** -->
++<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
++                xmlns:str="http://exslt.org/strings"
++                exclude-result-prefixes="str"
++                version="1.0">
+ 
+ <xsl:template name="dot.count">
+   <!-- Returns the number of "." characters in a string -->
+@@ -52,6 +56,9 @@
+   <xsl:param name="replacement"/>
+ 
+   <xsl:choose>
++    <xsl:when test="function-available('str:replace')">
++      <xsl:value-of select="str:replace($string, string($target), string($replacement))"/>
++    </xsl:when>
+     <xsl:when test="contains($string, $target)">
+       <xsl:variable name="rest">
+         <xsl:call-template name="string.subst">
+

packages/docbook-xsl/build.sh

@@ -0,0 +1,92 @@
+TERMUX_PKG_HOMEPAGE=https://docbook.org/
+TERMUX_PKG_DESCRIPTION="XML stylesheets for Docbook-xml transformations"
+TERMUX_PKG_LICENSE="MIT"
+TERMUX_PKG_VERSION=1.79.2
+TERMUX_PKG_DEPENDS="docbook-xml, libxml2-utils, libxslt"
+TERMUX_PKG_PLATFORM_INDEPENDENT=true
+TERMUX_PKG_BUILD_IN_SRC=true
+
+termux_step_extract_package() {
+	mkdir -p $TERMUX_PKG_SRCDIR
+
+	cd $TERMUX_PKG_SRCDIR
+
+	termux_download "https://github.com/docbook/xslt10-stylesheets/releases/download/release%2F${TERMUX_PKG_VERSION}/docbook-xsl-$TERMUX_PKG_VERSION.tar.gz" \
+		$TERMUX_PKG_CACHEDIR/docbook-xsl-$TERMUX_PKG_VERSION.tar.gz \
+		966188d7c05fc76eaca115a55893e643dd01a3486f6368733c9ad974fcee7a26
+
+	tar xf $TERMUX_PKG_CACHEDIR/docbook-xsl-$TERMUX_PKG_VERSION.tar.gz
+
+	termux_download "https://github.com/docbook/xslt10-stylesheets/releases/download/release%2F${TERMUX_PKG_VERSION}/docbook-xsl-nons-$TERMUX_PKG_VERSION.tar.gz" \
+		$TERMUX_PKG_CACHEDIR/docbook-xsl-nons-$TERMUX_PKG_VERSION.tar.gz \
+		f89425b44e48aad24319a2f0d38e0cb6059fdc7dbaf31787c8346c748175ca8e
+
+	tar xf $TERMUX_PKG_CACHEDIR/docbook-xsl-nons-$TERMUX_PKG_VERSION.tar.gz
+}
+
+termux_step_patch_package() {
+	cd $TERMUX_PKG_SRCDIR/docbook-xsl-$TERMUX_PKG_VERSION
+	patch -Np2 -i $TERMUX_PKG_BUILDER_DIR/765567_non-recursive_string_subst.patch
+
+	cd $TERMUX_PKG_SRCDIR/docbook-xsl-nons-$TERMUX_PKG_VERSION
+	patch -Np2 -i $TERMUX_PKG_BUILDER_DIR/765567_non-recursive_string_subst.patch
+}
+
+termux_step_make_install() {
+	local pkgroot ns dir
+
+	for ns in -nons ''; do
+		pkgroot="$TERMUX_PREFIX/share/xml/docbook/xsl-stylesheets-${TERMUX_PKG_VERSION}${ns}"
+		dir=docbook-xsl${ns}-${TERMUX_PKG_VERSION}
+
+		install -Dt "$pkgroot" -m600 $dir/VERSION{,.xsl}
+
+		(
+			shopt -s nullglob  # ignore missing files
+			for fn in assembly common eclipse epub epub3 fo highlighting html \
+				htmlhelp javahelp lib manpages params profiling roundtrip template \
+				website xhtml xhtml-1_1 xhtml5
+			do
+				install -Dt "${pkgroot}/${fn}" -m600 ${dir}/${fn}/*.{xml,xsl,dtd,ent}
+			done
+		)
+	done
+}
+
+termux_step_create_debscripts() {
+	cat <<- EOF > ./postinst
+	#!$TERMUX_PREFIX/bin/sh
+	if [ "\$1" = "configure" ]; then
+		if [ ! -e "$TERMUX_PREFIX/etc/xml/catalog" ]; then
+			xmlcatalog --noout --create "$TERMUX_PREFIX/etc/xml/catalog"
+		else
+			xmlcatalog --noout --del "$TERMUX_PREFIX/share/xml/docbook/xsl-stylesheets-$TERMUX_PKG_VERSION" \
+				"$TERMUX_PREFIX/etc/xml/catalog"
+		fi
+
+		for ver in $TERMUX_PKG_VERSION current; do
+			for x in rewriteSystem rewriteURI; do
+				xmlcatalog --noout --add \$x http://cdn.docbook.org/release/xsl/\$ver \
+					"$TERMUX_PREFIX/share/xml/docbook/xsl-stylesheets-$TERMUX_PKG_VERSION" \
+					"$TERMUX_PREFIX/etc/xml/catalog"
+
+				xmlcatalog --noout --add \$x http://docbook.sourceforge.net/release/xsl-ns/\$ver \
+					"$TERMUX_PREFIX/share/xml/docbook/xsl-stylesheets-$TERMUX_PKG_VERSION" \
+					"$TERMUX_PREFIX/etc/xml/catalog"
+
+				xmlcatalog --noout --add \$x http://docbook.sourceforge.net/release/xsl/\$ver \
+					"$TERMUX_PREFIX/share/xml/docbook/xsl-stylesheets-${TERMUX_PKG_VERSION}-nons" \
+					"$TERMUX_PREFIX/etc/xml/catalog"
+			done
+		done
+	fi
+	EOF
+
+	cat <<- EOF > ./prerm
+	#!$TERMUX_PREFIX/bin/sh
+	if [ "\$1" = "remove" ]; then
+		xmlcatalog --noout --del "$TERMUX_PREFIX/share/xml/docbook/xsl-stylesheets-$TERMUX_PKG_VERSION" \
+			"$TERMUX_PREFIX/etc/xml/catalog"
+	fi
+	EOF
+}