# Copyright (C) 2012 Patrick "P. J." McDermott
# 
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
# 
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
# 
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

.SUFFIXES:
.SUFFIXES: .txt .html

SRCS = specs/source-package-format-1.0.txt \
       specs/architecture-string.txt \
       specs/source-package-format-2.0.txt
OBJS = $(SRCS:.txt=.html)

BOOKS = spf-2.0
FORMATS = html txt

# Default format in case a book target is called without FORMAT=*
FORMAT = html

all: $(OBJS) $(BOOKS)

books: $(BOOKS)

$(OBJS):
	@printf '  RENDER %s\n' '$@'
	@title=$$(sed -n 's/^    Title: \(.*\)$$/\1/p' $*.txt | \
		head -n 1); \
		sed "s#@TITLE@#$$title#" include/header.html > $@
	@markdown $*.txt >> $@
	@cat include/footer.html >> $@

$(BOOKS):
	@printf '  RENDER %s as %s\n' '$@' '$(FORMAT)'
	@PERL5LIB=markdownbook/lib markdownbook/bin/markdownbook.pl \
		'$(FORMAT)' 'specs/$@'
	@[ '$(FORMAT)' = 'html' ] && \
		ln -sf '../../include/main.css' 'specs/$@/main.css' || true

clean:
	@for obj in $(OBJS); do \
		printf '  CLEAN %s\n' "$${obj}"; \
		rm -f $${obj}; \
	done
	@for book in $(BOOKS); do \
		printf '  CLEAN %s\n' "$${book}"; \
		rm -f "specs/$${book}/"*.html; \
		rm -f "specs/$${book}/"*.txt; \
		rm -f "specs/$${book}/"main.css; \
	done