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


ifeq ($(TEX_TMPL_DIR), "")
	TEX_TMPL_DIR = thisisnotadirectory
endif

# this is what is there already
PRE_FIG_LOCAL = $(wildcard *.fig)
PRE_TEX_LOCAL = $(wildcard *.tex)
PRE_TMPL_LOCAL = $(wildcard *.tmpl *.ger)
PRE_HTML_LOCAL = $(wildcard *.html)
PRE_FIG_REMOTE = $(foreach dir,$(TEX_TMPL_DIR),$(wildcard $(dir)/*.fig))
PRE_TEX_REMOTE = $(foreach dir,$(TEX_TMPL_DIR),$(wildcard $(dir)/*.tex))
PRE_TMPL_REMOTE = $(foreach dir,$(TEX_TMPL_DIR),$(wildcard $(dir)/*.tmpl $(dir)/*.ger)) 
PRE_HTML_REMOTE = $(foreach dir,$(TEX_TMPL_DIR),$(wildcard $(dir)/*.html))

# this is what should be there
FILES_FROM_TMPL = $(notdir $(patsubst %.ger,%.tex,$(patsubst %.tmpl,%,$(PRE_TMPL_REMOTE) $(PRE_TMPL_LOCAL))))
EPS_FROM_FIG    = $(notdir $(patsubst %.fig,%.eps,$(PRE_FIG_REMOTE) $(PRE_FIG_LOCAL)))
FILES_COPIED    = $(notdir $(wildcard $(TEX_TMPL_DIR)/*.html $(TEX_TMPL_DIR)/*.tex))
GENERATED = $(FILES_FROM_TMPL) $(EPS_FROM_FIG) $(FILES_COPIED)
GENERATED_TEX = $(filter %.tex,$(GENERATED))
GENERATED_EPS = $(filter %.eps,$(GENERATED))
GENERATED_HTML = $(filter %.html,$(GENERATED))

# all
TEX  = $(PRE_TEX_LOCAL) $(GENERATED_TEX)
EPS  = $(GENERATED_EPS)
HTML = $(PRE_HTML_LOCAL) $(GENERATED_HTML)

LATEX_INPUT = $(TEX) $(EPS)
HTML_INPUT  = $(HTML) $(IMAGES)

# this comes in handy
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"
HTML_WARN_DONT_EDIT = "\
<!--\n\
+---------------------------------------------------+\n\
|            DO NOT EDIT THIS FILE!                 |\n\
| It was automatically created during the build     |\n\
|                   process!                        |\n\
+---------------------------------------------------+\n\
-->"
WD = `pwd`

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))
#LINETMPL=$(wildcard *.linetmpl)
#TEXFROMGER=$(patsubst %.ger,%.tex,$(wildcard *.ger))
#TMPL=$(wildcard *.tmpl)
#FILEFROMTMPL = $(patsubst %.tmpl,%,$(TMPL))
#GERFROMLINETMPL=$(patsubst %.linetmpl,%,$(wildcard *.linetmpl))
#PRE_TEX  = $(patsubst %.ger,%.tex,\
#	$(patsubst %.tmpl,%,$(wildcard *.tex.tmpl *.ger.tmpl) $(LOCAL_IMPORTED_TEMPLATES)) \
#	$(GERFROMLINETMPL)) $(TEXFROMGER)
NEWDIRS = $(DISTDIR) $(HTMLDIR) $(DVIDIR)

define mangle_tmpl
	@echo $< \-\> $@
	@if [ $(suffix $@) = tex ];  then echo -e $(TEX_WARN_DONT_EDIT)  > $@; fi
	@if [ $(suffix $@) = html ]; then echo -e $(HTML_WARN_DONT_EDIT) > $@; fi
	TMPIMAGEDIR="`echo $(IMAGEDIR) | sed -e 's/\//\\\\\//g;'`" ;\
	cat $< | sed -e "\
		s/ä/\"a/g; \
		s/Ä/\"A/g; \
		s/ö/\"o/g; \
		s/Ö/\"O/g; \
		s/ü/\"u/g; \
		s/Ü/\"Ü/g; \
		s/ß/\"s/g; \
	" | sed -e "\
		s/__DATE__/$(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__/$$TMPIMAGEDIR\/$(FRONTLOGO_EPS)/g; \
		s/__FRONTLOGO_WEB__/$(FRONTLOGO_WEB)/g; \
		s/__ICON_UP__/$(ICON_UP)/g; \
		s/__ICON_INDEX__/$(ICON_INDEX)/g; \
		s/__ICON_CONTENTS__/$(ICON_CONTENTS)/g; \
		s/__ICON_PREV__/$(ICON_PREV)/g; \
		s/__ICON_NEXT__/$(ICON_NEXT)/g; \
	" | awk '                                              \
		BEGIN { FS=":" } {                             \
		if ($$0 ~ /SUBST_LINE_NUM/) {                  \
		start=$$1; patt=$$2; file=$$3;                 \
		regex=$$4; offset=$$5; rest=$$6;               \
		grepcmd="grep -n \042" regex "\042 " file;     \
		grepcmd | getline;                             \
		linenum=$$1;                                   \
		print start linenum rest                       \
		} else { print $$0 } }                         \
	' >> $@
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

# generate from remote rules
%.eps: $(TEX_TMPL_DIR)/%.fig
	fig2dev -L eps $< $@

%.html: $(TEX_TMPL_DIR)/%.html
	cp $< $@

%.tex: $(TEX_TMPL_DIR)/%.tex
	cp $< $@

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

%.tex: $(TEX_TMPL_DIR)/%.tex.tmpl
	$(mangle_tmpl)

%.html: $(TEX_TMPL_DIR)/%.html.tmpl
	$(mangle_tmpl)

# generate from local rules
%.eps: %.fig
	fig2dev -L eps $< $@

%.tex: %.ger
	$(mangle_tmpl)

%: %.tmpl
	$(mangle_tmpl)

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 $@

test:
	@echo TEX_TMPL_DIR = $(TEX_TMPL_DIR)
	@echo GENERATED = $(GENERATED)
	@echo FILES_FROM_TMPL = $(FILES_FROM_TMPL)
	@echo EPS_FROM_FIG = $(EPS_FROM_FIG)

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

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

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

$(OUT).dvi.zip: $(OUTPUT).dvi
	zip $@ $^

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

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

$(HTMLDIR): $(LATEX_INPUT) $(HTML_INPUT) tex dvi ps txt pdf 
	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/index.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 -f $< > $(OUTPUT).ps

$(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 *.rep \
		*.lol *.bak \
		$(NEWDIRS) $(OUTPUT).txt \
		$(GENERATED)