# generic utility modules
# (c) 2001 jannet it services
# contact@jannet.de
# $Id$

IMAGES = $(patsubst %,$(IMAGEDIR)/%,$(FRONTLOGO_EPS) $(FRONTLOGO_WEB) \
	$(ICON_UP) $(ICON_PREV) $(ICON_NEXT) $(ICON_INDEX) $(ICON_CONTENTS))
LOCAL_IMPORTED_TEMPLATES = $(notdir $(IMPORTED_TEMPLATES))
FMT_OFFLINE = tex dvi ps pdf txt
FMT = $(FMT_OFFLINE) html
OUT = $(DISTDIR)/$(OUTPUT)
FMT_OUT = $(patsubst %,$(OUT).%.zip,$(FMT))
FMT_OFFLINE_OUT = $(patsubst %,$(OUT).%.zip,$(FMT_OFFLINE))
ALL = $(FMT_OUT) html_install
PRE_HTML = $(patsubst %.tmpl,%,$(wildcard *.html.tmpl))
PRE_TEX  = $(patsubst %.ger,%.tex,$(patsubst %.tmpl,%,$(wildcard *.tex.tmpl *.ger) $(LOCAL_IMPORTED_TEMPLATES)))
TEXSRC = $(wildcard *.tex $(IMAGES) $(LOCAL_SRC)) $(PRE_TEX)
DATE := $(shell date +'%b, %d, %Y')
TEX_WARN_DONT_EDIT = "\
%+---------------------------------------------------+\n\
%|            DO NOT EDIT THIS FILE!                 |\n\
%| It was automatically created during the build     |\n\
%|                   process!                        |\n\
%+---------------------------------------------------+\n"
WD = `pwd`
NEWDIRS = $(DISTDIR) $(HTMLDIR) $(DVIDIR)

define replace_macros
	@echo replacing macros in templates
	TMPIMAGEDIR="`echo $(IMAGEDIR) | sed -e 's/\//\\\\\//g;'`" ;\
	cat $< | sed -e "\
		s/__DATE__/$(DATE)/g; \
		s/__AUTHORS__/$(AUTHORS)/g; \
		s/__TITLE__/$(TITLE)/g; \
		s/__VERSION__/$(VERSION)/g; \
		s/__SUBTITLE__/$(SUBTITLE)/g; \
		s/__HEADER__/$(HEADER)/g; \
		s/__FRONTPAGE__/$(FRONTPAGE)/g; \
		s/__FRONTLOGO_EPS__/$$TMPIMAGEDIR\/$(FRONTLOGO_EPS)/g; \
		s/__FRONTLOGO_WEB__/$(FRONTLOGO_WEB)/g; \
		s/__ICON_UP__/$(ICON_UP)/g; \
		s/__ICON_INDEX__/$(ICON_INDEX)/g; \
		s/__ICON_CONTENTS__/$(ICON_CONTENTS)/g; \
		s/__ICON_PREV__/$(ICON_PREV)/g; \
		s/__ICON_NEXT__/$(ICON_NEXT)/g; \
	" >> $@
endef

define replace_umlauts
	@echo replacing german umlauts with tex-style umlauts
	@echo -e $(TEX_WARN_DONT_EDIT) > $@
	cat $< | sed -e "\
		s/ä/\"a/g; \
		s/Ä/\"A/g; \
		s/ö/\"o/g; \
		s/Ö/\"O/g; \
		s/ü/\"u/g; \
		s/Ü/\"Ü/g; \
		s/ß/\"s/g; \
	" >> $@
endef

all: dirs $(ALL)

tex: dirs $(OUT).tex.zip
dvi: dirs $(OUT).dvi.zip
ps: dirs $(OUT).ps.zip
txt: dirs $(OUT).txt.zip
html: dirs $(OUT).html.zip
pdf: dirs $(OUT).pdf.zip

%.tex: %.ger
	$(replace_umlauts)

%.tex: %.tex.tmpl
	$(replace_macros)

%.html: %.html.tmpl
	$(replace_macros)

%.tmpl:
	cp $(TEX_TMPL_DIR)/$@ .

cfgtest.done:
	test -n "$(OUTPUT)" # OUTPUT
	test -n "$(DISTDIR)" # DISTDIR
	test -n "$(HTMLDIR)" # HTMLDIR
	test -n "$(TARGET_HOST)" # TARGET_HOST
	test -n "$(TARGET_DIR)" # TARGET_DIR
	test -n "$(TARGET_DIR_MODE)" # TARGET_DIR_MODE
	test -n "$(TARGET_FILE_MODE)" # TARGET_FILE_MODE
	test -n "$(TARGET_USER)" # TARGET_USER
	test -n "$(MAIN)" # MAIN
	test -n "$(FRONTPAGE)" # FRONTPAGE
	test -n "$(IMAGES)" # IMAGES
	test -n "$(AUTHORS)" # AUTHORS
	test -n "$(TITLE)" # TITLE
	test -n "$(SUBTITLE)" # SUBTITLE
	test -d "$(IMAGEDIR)" # IMAGEDIR
	@for IMG in $(IMAGES); do if [ ! -f $$IMG ]; then echo "$$IMG is missing"; exit 1; fi; done
	test -n "$(VERSION)" # VERSION
	touch $@

cfgtest: cfgtest.done

#%.clean:
#	rm -rf $(OUT).%.zip

dirs.done:
	mkdir -p $(NEWDIRS)
	touch dirs.done

dirs: dirs.done
 
arch:
	test $(shell uname -s) = Linux

xdvi: $(TEXSRC)
	@echo "-- running latex just once ..."
	latex $(MAIN).tex
	xdvi $(MAIN).dvi

$(OUT).tex.zip: cfgtest $(TEXSRC)
	@echo "-- creating zipfile with tex source files"
	zip $@ $(TEXSRC) 2>/dev/null

$(OUTPUT).dvi: $(TEXSRC)
	@echo "-- creating dvi file"
	echo $(TEXSRC)
	latex $(MAIN).tex; latex $(MAIN).tex; latex $(MAIN).tex;			
	cp $(MAIN).dvi $@

$(OUT).dvi.zip: $(OUTPUT).dvi $(wildcard *.eps)
	zip $@ $^

$(OUTPUT).txt: $(OUTPUT).dvi
	@echo "-- creating plain ascii file"
	dvi2tty $< -w100 -o $@

$(OUT).txt.zip: $(OUTPUT).txt
	zip $@ $<

$(HTMLDIR): $(TEXSRC) $(FMT_OFFLINE_OUT) $(PRE_HTML)
	test $(MAIN) != index
	rm -rf $@
	mkdir -p $@
	latex2html -split 4 -show_section_numbers  -dir $(HTMLDIR) $(MAIN).tex
	for OLD in $(HTMLDIR)/*.html; do \
		sed "s/file:\/usr\/lib\/latex2html\/icons\///g; s/$(MAIN).html/node1.html/g;" $$OLD>$$OLD.new; \
		mv $$OLD.new $$OLD; \
	done
	rm $(HTMLDIR)/$(MAIN).html
	cp -r $(DISTDIR) $@/download
	cat index_head.html > $(HTMLDIR)/index.html
	for FILE in $(wildcard $(DISTDIR)/*); do SIZE=`ls -lk $$FILE | awk '{print $$5}'`;\
		echo \<CENTER\>\<A HREF="download/`basename $$FILE`"\>`basename $$FILE`\
			\(size = $$SIZE Bytes\)\</A\>\</CENTER\> >> $(HTMLDIR)/index.html ;\
		echo >> $(HTMLDIR)/index.html ;\
	done
	cat index_tail.html >> $(HTMLDIR)/index.html
	cp $(IMAGES) $(HTMLDIR)
	touch $@

$(OUT).html.zip: $(HTMLDIR)
	@echo "-- creating zipfile with html source files"
	zip -r $@ $(HTMLDIR)

$(OUTPUT).ps: $(OUTPUT).dvi
	@echo "-- creating postscript file"
	dvips $<

$(OUT).ps.zip: $(OUTPUT).ps
	zip $@ $<

$(OUTPUT).pdf: $(OUTPUT).ps
	@echo "-- creating pdf file"
	ps2pdf $<

$(OUT).pdf.zip: $(OUTPUT).pdf
	zip $@ $<

html_install: $(HTMLDIR)
	@echo "-- installing html to $(TARGET_HOST):$(TARGET_DIR) as user $(TARGET_USER)"
	ssh -l $(TARGET_USER) $(TARGET_HOST) -C "\
	mkdir -p $(TARGET_DIR); chmod $(TARGET_DIR_MODE) $(TARGET_DIR)"
	/usr/bin/rsync -az --delete -v --links -e /usr/bin/ssh $(HTMLDIR)/* $(TARGET_USER)@$(TARGET_HOST):$(TARGET_DIR)
	ssh -l $(TARGET_USER) $(TARGET_HOST) -C "\
	cd $(TARGET_DIR); find . -type d | xargs chmod $(TARGET_DIR_MODE); find . -type f | xargs chmod $(TARGET_FILE_MODE)"

clean:
	@echo "-- cleaning up ..."
	rm -rf *.aux *.toc *.dvi *.pdf *.ps *~ *.log *.done \
		$(NEWDIRS) $(PRE_TEX) $(PRE_HTML) $(OUTPUT).txt \
		$(LOCAL_IMPORTED_TEMPLATES)