#----------------------------------------------------------------------------
#
# PostgreSQL documentation makefile
#
# $PostgreSQL: pgsql/doc/src/sgml/Makefile,v 1.99 2007/08/31 16:41:52 momjian Exp $
#
#----------------------------------------------------------------------------

subdir = doc/src/sgml
top_builddir = ../../..
include $(top_builddir)/src/Makefile.global

.NOTPARALLEL:
.PRECIOUS: %-A4.tex-ps %-US.tex-ps %-A4.tex-pdf %-US.tex-pdf

ifndef COLLATEINDEX
COLLATEINDEX = $(DOCBOOKSTYLE)/bin/collateindex.pl
endif

ifndef JADE
JADE = jade
endif
SGMLINCLUDE = -D $(srcdir)

# If this is a vpath build, some generated SGML will be in the build
# tree, so we need to make sure we look there as well as in the
# source tree
ifeq ($(vpath_build), yes)
SGMLINCLUDE += -D .
endif

ifndef NSGMLS
NSGMLS = nsgmls
endif

ifndef SGMLSPL
SGMLSPL = sgmlspl
endif

CONVERT = convert
EPSTOPDF = epstopdf

# docbook2man generates man pages from docbook refentry source code.
D2MSCRIPT= $(D2MDIR)/docbook2man-spec.pl


GENERATED_SGML = bookindex.sgml version.sgml \
	features-supported.sgml features-unsupported.sgml

ALLSGML := $(wildcard $(srcdir)/*.sgml $(srcdir)/ref/*.sgml) $(GENERATED_SGML)

ifdef DOCBOOKSTYLE
CATALOG = -c $(DOCBOOKSTYLE)/catalog
endif

# Enable draft mode during development
ifeq ($(DRAFT), Y)
override JADEFLAGS += -V draft-mode
endif

# Enable some extra warnings
# -wfully-tagged needed to throw a warning on missing tags 
# for older tool chains, 2007-08-31
override SPFLAGS += -wall -wno-unused-param -wno-empty -wfully-tagged

##
## Man pages
##

.PHONY: html man draft clean

DEFAULTSECTION = $(sqlmansect_dummy)

fix_man_xrefs = $(PERL) -npi -e 's{\[XRef to GUC-([A-Z0-9-]*)\]}{($$l = $$1) =~ tr/A-Z-/a-z_/, $$l}ge || s{\[XRef to [A-Z0-9-]*\]}{in the documentation}g'

man: postgres.sgml $(ALLSGML)
	$(NSGMLS) $(NSGMLS_FLAGS) $< | $(SGMLSPL) $(D2MSCRIPT) --lowercase --section $(DEFAULTSECTION) --date "`date '+%Y-%m-%d'`"
# One more time, to resolve cross-references
	$(NSGMLS) $(NSGMLS_FLAGS) $< | $(SGMLSPL) $(D2MSCRIPT) --lowercase --section $(DEFAULTSECTION) --date "`date '+%Y-%m-%d'`"
	$(fix_man_xrefs) *.1 *.$(DEFAULTSECTION)
	$(mkinstalldirs) man1 man$(DEFAULTSECTION)
	mv *.1 man1/
	mv *.$(DEFAULTSECTION) man$(DEFAULTSECTION)/


##
## HTML
##

all: html

# This is run for all output formats because we need bookindex.sgml
html: postgres.sgml $(ALLSGML) stylesheet.dsl
	@rm -f *.html
	$(JADE) $(JADEFLAGS) $(SPFLAGS) $(SGMLINCLUDE) $(CATALOG) -d stylesheet.dsl -i output-html -t sgml $<
ifeq ($(vpath_build), yes)
	@cp $(srcdir)/stylesheet.css .
endif
ifneq ($(DRAFT), Y)
# If not draft, re-run the this rule until HTML.index does not change
	@cmp -s HTML.index.start HTML.index || $(MAKE) $@
endif


# The draft rule calls gmake again and sets the DRAFT variable.
# This seems to be the only way to set gmake variables in a rule.
draft:
	@$(MAKE) DRAFT="Y" html


COLLATEINDEX := LC_ALL=C $(PERL) $(COLLATEINDEX) -f -g

# bookindex.sgml is required so there is a proper index for all output formats
bookindex.sgml: HTML.index
# create a dummy bookindex.html
	test -s HTML.index || $(COLLATEINDEX) -o $@ -N
# If HTML.index is valid, create a valid bookindex.sgml.
	test ! -s HTML.index || $(COLLATEINDEX) -i 'bookindex' -o $@ $<
# save copy of HTML.index for later comparison
	@cp HTML.index HTML.index.start

# HTML.index is used to create bookindex.sgml
HTML.index:
# create an empty HTML.index if it does not exist
	@$(if $(wildcard HTML.index), , touch HTML.index)

version.sgml: $(top_builddir)/src/Makefile.global
	{ \
	  echo "<!entity version \"$(VERSION)\">"; \
	  echo "<!entity majorversion \"`expr $(VERSION) : '\([0-9][0-9]*\.[0-9][0-9]*\)'`\">"; \
	} >$@

features-supported.sgml: $(top_srcdir)/src/backend/catalog/sql_feature_packages.txt $(top_srcdir)/src/backend/catalog/sql_features.txt
	$(PERL) $(srcdir)/mk_feature_tables.pl YES $^ > $@

features-unsupported.sgml: $(top_srcdir)/src/backend/catalog/sql_feature_packages.txt $(top_srcdir)/src/backend/catalog/sql_features.txt
	$(PERL) $(srcdir)/mk_feature_tables.pl NO $^ > $@


##
## Print
##


# RTF to allow minor editing for hardcopy
%.rtf: %.sgml $(ALLSGML) html
	$(JADE) $(JADEFLAGS) $(SGMLINCLUDE) $(CATALOG) -d stylesheet.dsl -t rtf -V rtf-backend -i output-print postgres.sgml

# TeX
# Regular TeX and pdfTeX have slightly differing requirements, so we
# need to distinguish the path we're taking.

JADE.tex.call = $(JADE) $(JADEFLAGS) $(SGMLINCLUDE) $(CATALOG) -d $(srcdir)/stylesheet.dsl -t tex -V tex-backend -i output-print

%-A4.tex-ps: %.sgml $(ALLSGML) html
	$(JADE.tex.call) -V texdvi-output -V '%paper-type%'=A4 -o $@ $<

%-US.tex-ps: %.sgml $(ALLSGML) html
	$(JADE.tex.call) -V texdvi-output -V '%paper-type%'=USletter -o $@ $<

%-A4.tex-pdf: %.sgml $(ALLSGML) html
	$(JADE.tex.call) -V texpdf-output -V '%paper-type%'=A4 -o $@ $<

%-US.tex-pdf: %.sgml $(ALLSGML) html
	$(JADE.tex.call) -V texpdf-output -V '%paper-type%'=USletter -o $@ $<

%.dvi: %.tex-ps
	@rm -f $*.aux $*.log
# multiple runs are necessary to create proper intra-document links
	jadetex $<
	jadetex $<
	jadetex $<

# PostScript from TeX
%.ps: %.dvi
	dvips -o $@ $<

%.pdf: %.tex-pdf
	@rm -f $*.aux $*.log $*.out
# multiple runs are necessary to create proper intra-document links
	pdfjadetex $<
	pdfjadetex $<
	pdfjadetex $<


# This generates an XML version of the flow-object tree.  It's useful
# for debugging DSSSL code, and possibly to interface to some other
# tools that can make use of this.
%.fot: %.sgml $(ALLSGML) html
	$(JADE) $(JADEFLAGS) $(SGMLINCLUDE) $(CATALOG) -d stylesheet.dsl -t fot -i output-print -o $@ $<


# Graphics

%.gif:
	cp $(srcdir)/../graphics/$@ .

%.eps: %.gif
	$(CONVERT) $< eps:$@

%.pdf: %.eps
	$(EPSTOPDF) $<


##
## Semi-automatic generation of some text files.
##

JADE.text = $(JADE) $(JADEFLAGS) $(SGMLINCLUDE) $(CATALOG) -d stylesheet.dsl -i output-text -t sgml
LYNX = lynx

INSTALL HISTORY regress_README: % : %.html
	$(PERL) -p -e 's/<H(1|2)$$/<H\1 align=center/g' $< | $(LYNX) -force_html -dump -nolist -stdin >$@

INSTALL.html: standalone-install.sgml installation.sgml version.sgml
	$(JADE.text) -V nochunks standalone-install.sgml installation.sgml >$@

# remove links to main documentation
HISTORY.html: release.sgml
	( echo '<!doctype appendix PUBLIC "-//OASIS//DTD DocBook V4.2//EN">'; \
	  cat $< ) | \
	$(PERL) -p -0 -e 's/<link\s+linkend[^>]*>//g' | \
	$(PERL) -p -e 's/<\/link>//g' >tempfile_HISTORY.sgml
	$(JADE.text) -V nochunks tempfile_HISTORY.sgml >$@
	rm tempfile_HISTORY.sgml

regress_README.html: regress.sgml
	( echo '<!doctype chapter PUBLIC "-//OASIS//DTD DocBook V4.2//EN" ['; \
	  echo '<!entity % standalone-ignore "IGNORE">'; \
	  echo '<!entity % standalone-include "INCLUDE"> ]>'; \
	  cat $< ) >tempfile_regress_README.sgml
	$(JADE.text) -V nochunks tempfile_regress_README.sgml >$@
	rm tempfile_regress_README.sgml


##
## XSLT processing
##

OSX = osx # (may be called sx or sgml2xml on some systems)
XSLTPROC = xsltproc

postgres.xml: postgres.sgml $(GENERATED_SGML)
	$(OSX) -x lower $< | \
	  sed -e 's/\[\(amp\|copy\|egrave\|gt\|lt\|mdash\|nbsp\|ouml\|pi\|quot\|uuml\) *\]/\&\1;/g' \
	      -e '1a\' -e '<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">' \
	  >$@
# ' hello Emacs

override XSLTPROCFLAGS += --stringparam pg.version '$(VERSION)'

xslthtml: stylesheet.xsl postgres.xml
	$(XSLTPROC) $(XSLTPROCFLAGS) $^

htmlhelp: stylesheet-hh.xsl postgres.xml
	$(XSLTPROC) $(XSLTPROCFLAGS) $^

%-A4.fo: stylesheet-fo.xsl %.xml
	$(XSLTPROC) $(XSLTPROCFLAGS) --stringparam paper.type A4 -o $@ $^

%-US.fo: stylesheet-fo.xsl %.xml
	$(XSLTPROC) $(XSLTPROCFLAGS) --stringparam paper.type USletter -o $@ $^


##
## Experimental Texinfo targets
##

DB2X_TEXIXML = db2x_texixml
DB2X_XSLTPROC = db2x_xsltproc
MAKEINFO = makeinfo

%.texixml: %.xml
	$(DB2X_XSLTPROC) -s texi -g output-file=$(basename $@) $< -o $@

%.texi: %.texixml
	$(DB2X_TEXIXML) --encoding=iso-8859-1//TRANSLIT $< --to-stdout >$@

%.info: %.texi
	$(MAKEINFO) --enable-encoding --no-split --no-validate $< -o $@

# Cancel built-in suffix rules, interfering with PS building
.SUFFIXES:


##
## Check
##

# Quick syntax check without style processing
check: postgres.sgml $(ALLSGML)
	$(NSGMLS) $(SPFLAGS) $(SGMLINCLUDE) -s $<


##
## Clean
##

clean distclean maintainer-clean:
# HTML
	rm -f HTML.manifest *.html *.gif
# man
	rm -rf *.1 *.$(DEFAULTSECTION) man1 man$(DEFAULTSECTION) manpage.refs manpage.links manpage.log
# print
	rm -f *.rtf *.tex-ps *.tex-pdf *.dvi *.aux *.log *.ps *.pdf *.out *.eps *.fot
# index
	rm -f HTML.index HTML.index.start $(GENERATED_SGML)
# text
	rm -f INSTALL HISTORY regress_README
# XSLT
	rm -f postgres.xml htmlhelp.hhp toc.hhc index.hhk *.fo
# Texinfo
	rm -f *.texixml *.texi *.info db2texi.refs
