#
# Makefile for Safari perllib project
# Copyright (c) 1999 by Barrie Slaymaker, rbs@telerama.com
#
# You may distribute under the terms of either the GNU General Public
# License or the Artistic License, as specified in the README file.
#
#

.SUFFIXES:


# Some redirects to make it easy to endy up in the right place in the
# tree

http_dir/index.html:
	echo "Forwarding..." |\
	saf_http_out $(EXPIRES) -h ":loc: _head/Default/" -o "$@"

http_dir/$(SAF_REV)/index.html:
	echo "Forwarding..." |\
	saf_http_out $(EXPIRES) -h ":loc: Default/" -o "$@"

#
# Multiplex directories in @INC in to a single place
#
# Use .PRECIOUS since more than one target depends on this, and it will
# speed up secondary target generation.
#
.PRECIOUS: mux/%

mux:
	flatten_perllib mux

mux/%:
	flatten_perllib mux

#
# Handle views
#
http/$(SAF_REV)/plain/%: /usr/lib/perl5/%
	saf_http_out --file-type=text "$<" -o "$@"

http/$(SAF_REV)/pretty/%: /usr/lib/perl5/%
	{ \
	export LANGCODE=`pfile --follow --fields=type "$<"` ; \
	unset GATEWAY_INTERFACE ; code2html --linknumbers $$LANGCODE "$<" | \
	saf_http_out $(EXPIRES) -o "$@" \
	} || \
	saf_http_out $(EXPIRES) "$<" -o "$@"

http/$(SAF_REV)/HTML/%: /usr/lib/perl5/%
	saf_http_out $(EXPIRES) "$<" -o "$@"


# Preferred view

# If make was invoked by cgimake or the command line, MAKELEVEL will be 0.
# in this case, we do a recursive make so that the SAF_FILTER can be altered

# In the recursive make MAKELEVEL is set to 1 by make. In this case, we
# analyze the base file and figure out what view is preferred, then
# build that view and link to it.

ifeq ($(MAKELEVEL),0)
http/$(SAF_REV)/Default/%:
	$(MAKE) -f $(SAF_CONF_DIR)/Makefile \
	--no-print-directory http/$(SAF_REV)/Default/$*
else
SAF_FILTER=plain
http/$(SAF_REV)/Default/%: http/$(SAF_REV)/$(SAF_FILTER)/%
	mkpath "$@"
	-rm -f "$@"
	ln -s "${shell pwd}/$<" "$@"
endif


http/$(SAF_REV)/Default/%: http/$(SAF_REV)/plain/%
	mkpath "$@"
	-rm -f "$@"
	ln -s "${shell pwd}/$<" "$@"

# pod2html method: incremental, but pod2html is buggy
#
#http/POD/%: /usr/lib/perl5/5.00503/%
#	mkpath "$@"
#	pod2html --htmlroot=/safari/lib/perl5/POD "--infile=$<" | \
#	dress_my_perl_lib "--path=$@" | \
#	add_headers --no-http-present --Content-type=text/html > "$@"
.PRECIOUS: \
http/$(SAF_REV)/plain/%\
http/$(SAF_REV)/pretty/%\
http/$(SAF_REV)/ChLines/%\
http/$(SAF_REV)/HTML/%\
http/$(SAF_REV)/Default/%\


# pod2html method: batch, but cleaner.
#
# Uses an intermediate directory tree to hold all the docs, then
# dresses and http-izes as needed. Note that we convert the hrefs in
# refs to .pm files to match our browsing scheme.
#
http/$(SAF_REV)/POD/%:
	mkpath "$@"
	pod2html "--infile=/usr/lib/perl5/$*" \
	"--htmlroot=/safaridev/perl/$(SAF_REV)/POD/" | \
	saf_http_out $(EXPIRES) -o "$@"

#
# Links in podtohtml output pages point to .html files, so redirect these
# to point to a .pm file... I leave it here as an example of a redirect.
# Note that we need to put some text in the body to keep cgimake from
# complaining about unmade targets...
#
#http/POD/%.html: POD/%.html
#	mkpath "$@"
#	echo "New location: $*.pm" | \
#	add_headers --no-http-present "--Location=${notdir $*.pm}" > "$@"
	
#.PHONY: POD/build
#http/POD/build:
#	rm -rf POD
#	mkpath "$@"
#	podtohtml -S -d "POD" -i "POD/index.html" mux >/tmp/perllibPODbuild 2>&1 
#	cat /tmp/perllibPODbuild | \
#	plain_html | \
#	dress_my_perl_lib "--path=$@" | \
#	add_headers --no-http-present --Content-type=text/html > "$@"

#
# Handle directory listings. Note that we need two entries for each
# view, one for the project root and one for dirs under root.
#
http_dir/$(SAF_REV)/$(SAF_FILTER)/index.html: /usr/lib/perl5
	ls_html "$<" | \
	saf_http_out --file-type=html -o "$@"

http_dir/$(SAF_REV)/$(SAF_FILTER)/%/index.html: /usr/lib/perl5/%
	ls_html "$<" | \
	saf_http_out --file-type=html -o "$@"

#
# Utility functions...
#
.PHONY: http/clean
http/clean:
	rm -rfv http     >  /tmp/perllibclean 2>&1 
	rm -rfv http_dir >> /tmp/perllibclean 2>&1 
	rm -rfv lock     >> /tmp/perllibclean 2>&1 
	rm -rfv mux      >> /tmp/perllibclean 2>&1 
	cat /tmp/perllibclean | \
	saf_http_out /tmp/perllibclean -o "$@"