# SPDX-License-Identifier: BSD-2-Clause
#
# $Id: rst2htm.mk,v 1.15 2024/02/17 17:26:57 sjg Exp $
#
#	@(#) Copyright (c) 2009, Simon J. Gerraty
#
#	This file is provided in the hope that it will
#	be of use.  There is absolutely NO WARRANTY.
#	Permission to copy, redistribute or otherwise
#	use this file is hereby granted provided that
#	the above copyright notice and this notice are
#	left intact.
#
#	Please send copies of changes and bug-fixes to:
#	sjg@crufty.net
#

# convert reStructuredText to HTML, using rst2html.py from
# docutils - http://docutils.sourceforge.net/

# pickup customizations
.-include <local.rst2htm.mk>

.if empty(TXTSRCS)
TXTSRCS != 'ls' -1t ${.CURDIR}/*.txt ${.CURDIR}/*.rst 2>/dev/null; echo
.endif
RSTSRCS ?= ${TXTSRCS}
HTMFILES ?= ${RSTSRCS:R:T:O:u:%=%.htm}
PDFFILES ?= ${RSTSRCS:R:T:O:u:%=%.pdf}
# can be empty, 4 or 5
HTML_VERSION ?= 
RST2HTML ?= rst2html${HTML_VERSION}.py
RST2PDF ?= rst2pdf
RST2S5 ?= rst2s5.py
# the following will run RST2S5 if the target name contains the word 'slides'
# otherwise it uses RST2HTML
RST2HTM = ${"${.TARGET:T:M*slides*}":?${RST2S5}:${RST2HTML}}
RST2HTM_SLIDES_FLAGS ?= ${RST2S5_FLAGS}
RST2HTM_DOC_FLAGS ?= ${RST2HTML_FLAGS}
RST2HTM_FLAGS ?= ${"${.TARGET:T:M*slides*}":?${RST2HTM_SLIDES_FLAGS}:${RST2HTM_DOC_FLAGS}}

RST2PDF_FLAGS ?= ${"${.TARGET:T:M*slides*}":?${RST2PDF_SLIDES_FLAGS}:${RST2PDF_DOC_FLAGS}}

RST_SUFFIXES ?= .rst .txt

CLEANFILES += ${HTMFILES} ${PDFFILES}

html:	${HTMFILES}
pdf:	${PDFFILES}

.SUFFIXES: ${RST_SUFFIXES} .htm .pdf

${RST_SUFFIXES:@s@$s.htm@}:
	${RST2HTM} ${RST2HTM_FLAGS} ${FLAGS.${.TARGET}} ${.IMPSRC} ${.TARGET}

${RST_SUFFIXES:@s@$s.pdf@}:
	${RST2PDF} ${RST2PDF_FLAGS} ${FLAGS.${.TARGET}} ${.IMPSRC} ${.TARGET}

.for s in ${RSTSRCS:O:u}
${s:R:T}.htm: $s
${s:R:T}.pdf: $s
.endfor