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CFLAGS?=-g -O3 -Wall -Wextra -std=c99 -Isrc -Wno-missing-field-initializers -fPIC $(OPTFLAGS)
LDFLAGS?=-g -O3 -Wall -Werror
SRCDIR?=src
DATADIR?=data
BENCHINP?=README.md
PROG?=./cmark
JSMODULES=$(wildcard js/lib/*.js)
PREFIX?=/usr/local
SPEC=spec.txt
SPECVERSION=$(shell grep version: $(SPEC) | sed -e 's/version: *//')

.PHONY: all spec leakcheck clean fuzztest dingus upload jshint test testjs benchjs

all: $(SRCDIR)/case_fold_switch.inc $(PROG) libcmark.so

README.html: README.md template.html
	pandoc --template template.html -S -s -t html5 -o $@ $<

spec: test spec.html

spec.md: $(SPEC)
	perl spec2md.pl < $< > $@

spec.html: spec.md template.html
	pandoc --no-highlight --number-sections --template template.html -s --toc -S $< > $@ # | perl -pe 's/␣/<span class="space"> <\/span>/g' > $@

spec.pdf: spec.md template.tex specfilter.hs
	pandoc -s $< --template template.tex \
	   --filter ./specfilter.hs -o $@ --latex-engine=xelatex --toc \
	   --number-sections -V documentclass=report -V tocdepth=2 \
	   -V classoption=twosides

test: $(SPEC)
	perl runtests.pl $< $(PROG)

js/commonmark.js: js/lib/index.js ${JSMODULES}
	browserify --standalone commonmark $< -o $@

testjs: $(SPEC)
	node js/test.js

jshint:
	jshint ${JSMODULES}

benchjs:
	node js/bench.js ${BENCHINP}

HTML_OBJ=$(SRCDIR)/html/html.o $(SRCDIR)/html/houdini_href_e.o $(SRCDIR)/html/houdini_html_e.o $(SRCDIR)/html/houdini_html_u.o

CMARK_OBJ=$(SRCDIR)/inlines.o $(SRCDIR)/buffer.o $(SRCDIR)/blocks.o $(SRCDIR)/scanners.c $(SRCDIR)/print.o $(SRCDIR)/utf8.o $(SRCDIR)/references.o

CMARK_HDR = $(SRCDIR)/cmark.h $(SRCDIR)/buffer.h $(SRCDIR)/references.h \
           $(SRCDIR)/chunk.h $(SRCDIR)/debug.h $(SRCDIR)/utf8.h \
           $(SRCDIR)/scanners.h $(SRCDIR)/inlines.h

HTML_HDR = $(SRCDIR)/html/html_unescape.h $(SRCDIR)/html/houdini.h

$(PROG): $(SRCDIR)/html/html_unescape.h $(SRCDIR)/case_fold_switch.inc $(HTML_OBJ) $(CMARK_OBJ) $(SRCDIR)/main.c
	$(CC) $(LDFLAGS) -o $@ $(HTML_OBJ) $(CMARK_OBJ) $(SRCDIR)/main.c

$(SRCDIR)/scanners.c: $(SRCDIR)/scanners.re
	re2c --case-insensitive -bis $< > $@ || (rm $@ && false)

$(SRCDIR)/case_fold_switch.inc: $(DATADIR)/CaseFolding-3.2.0.txt
	perl mkcasefold.pl < $< > $@

$(SRCDIR)/html/html_unescape.h: $(SRCDIR)/html/html_unescape.gperf
	gperf -I -t -N find_entity -H hash_entity -K entity -C -l --null-strings -m5 $< > $@

libcmark.so: $(HTML_OBJ) $(CMARK_OBJ)
	$(CC) $(LDFLAGS) -shared -o $@ $^

install: libcmark.so $(cmark_HDR) $(HTML_HDR)
	install -d $(PREFIX)/lib $(PREFIX)/include/cmark/html
	install libcmark.so $(PREFIX)/lib/
	install $(cmark_HDR) $(PREFIX)/include/cmark/
	install $(HTML_HDR) $(PREFIX)/include/cmark/html/

dingus: js/commonmark.js
	echo "Starting dingus server at http://localhost:9000" && python -m SimpleHTTPServer 9000

leakcheck: $(PROG)
	cat leakcheck.md | valgrind --leak-check=full --dsymutil=yes $(PROG)

operf: $(PROG)
	operf $(PROG) <$(BENCHINP) >/dev/null

fuzztest:
	for i in `seq 1 10`; do \
	  time cat /dev/urandom | head -c 100000 | iconv -f latin1 -t utf-8 | $(PROG) >/dev/null; done

_site/spec.html: spec.txt
	(echo "% CommonMark Spec\n";\
	for vers in $(shell cd _site; ls -d -t 0.*) ; do \
	  echo "- [Version $$vers](/$$vers/)" ; done) | \
	pandoc --template template.html -S -s -t html5 -o $@

_site/index.html: _site/spec.html
	cp $< $@

_site/$(SPECVERSION)/index.html: spec.html
	mkdir -p _site/$(SPECVERSION)
	cp $< $@
	cd _site; git add $(SPECVERSION)/index.html; git commit -a -m "Added version $(SPECVERSION) of spec"; cd ..

update-site: spec.html js/commonmark.js _site/index.html _site/$(SPECVERSION)/index.html _site/spec.html
	cp dingus.html _site/
	cp js/commonmark.js _site/js/
	cp js/LICENSE _site/js/
	(cd _site ; git pull ; git commit -a -m "Updated site for latest spec, js" ; git push; cd ..)

clean:
	-rm -f test $(SRCDIR)/*.o $(SRCDIR)/scanners.c $(SRCDIR)/html/*.o libcmark.so
	-rm js/commonmark.js
	-rm -rf *.dSYM
	-rm -f README.html
	-rm -f spec.md fuzz.txt spec.html