# Multiple directories can be given so long as files with the same name do not exist in each.
#
# These can be inside of `SRCDIR´ directories if desired.
+#
+# This variable is also used by the two‐stage `MODE´, where it gives the include directory for the second stage.
INCLUDEDIR := $(foreach dir,$(SRCDIR),$(dir)/includes)
+# The directory which contains the data files.
+#
+# Only used in the two‐stage `MODE´, and defaults to that `MODE´ if this directory exists.
+# This directory is used as the include directory in the first stage.
+#
+# Multiple directories can be given so long as files with the same name do not exist in each.
+DATADIR :=
+
# The directory in which to generate temporary buildfiles.
#
-# This variable is also used by the archiving `MODE´.
+# This variable is also used by the archiving and two‐stage `MODE´s.
BUILDDIR := build
# The directory into which to output files on `make install´.
#
# By default, this is inferred from the variable `MAKEFILE_LIST´.
#
-# This variable is also used by the archiving `MODE´.
+# This variable is also used by the archiving and two‐stage `MODE´s.
THISDIR := $(patsubst %/,%,$(dir $(lastword $(MAKEFILE_LIST))))
# Configuration of `find´.
#
# By default, `find´ will ignore files which begin with a period and those which are likely to cause problems for `make´.
+#
+# These variables are also used by the two‐stage `MODE´.
EXTRAFINDRULES :=
EXTRAFINDINCLUDERULES :=
-FINDRULES := ! '(' '(' -name '[.-]*' -a ! -name '.' -o -name '*[][*?:|$$%\#\\; ]*' -o -name '*[)]' ')' -a -prune ')'$(if $(EXTRAFINDRULES), -a '(' $(EXTRAFINDRULES) ')',)
+FINDRULES := '!' '(' '(' -name '[.-]*' -a '!' -name '.' -o -name '*[][*?:|$$%\#\\; ]*' -o -name '*[)]' ')' -a -prune ')'$(if $(EXTRAFINDRULES), -a '(' $(EXTRAFINDRULES) ')',)
FINDINCLUDERULES := $(FINDRULES)$(if $(EXTRAFINDINCLUDERULES), -a '(' $(EXTRAFINDINCLUDERULES) ')',)
+# File extensions which indicate files in `SRCDIR´ which should be built as part of the first, rather than second, stage of the two‐stage `MODE´.
+DATAEXT := rdf
+
+# Rules for identifying files in `SRCDIR´ which should be built as part of the first, rather than second, stage of the two‐stage `MODE´.
+#
+# By default, this just constructs rules from `DATAEXT´.
+EXTRAFINDDATARULES :=
+FINDDATARULES := -name '.' $(foreach ext,$(DATAEXT), -o -name '$(subst ','"'"',[!.]*.$(ext))')$(if $(EXTRAFINDDATARULES), -a '(' $(EXTRAFINDDATARULES) ')',)
+
# The list of magic files to use when determining media types.
#
# Some are provided as part of this repository, but you can add more if you need different media type detection.
# The following modes are available :—
#
# • ‹ urn:fdc:ladys.computer:20231231:Shu1She4:mode:default ›:
-# The default mode; typical Shushe behaviours.
+# The default mode; typical ⛩📰 书社 behaviours.
#
# • ‹ urn:fdc:ladys.computer:20231231:Shu1She4:mode:archive ›:
# Generates archive files from parse results.
-MODE := urn:fdc:ladys.computer:20231231:Shu1She4:mode:default
+#
+# • ‹ urn:fdc:ladys.computer:20231231:Shu1She4:mode:_2stage ›:
+# Two‐stage build; runs ⛩📰 书社 twice.
+MODE := urn:fdc:ladys.computer:20231231:Shu1She4:mode:$(if $(DATADIR),$(shell if $(TEST) -d $(call quote,$(DATADIR)); then $(PRINTF) '%s\n' '_2stage'; else $(PRINTF) '%s\n' 'default'; fi),default)
# Set to a non·empty value to silence informative messages.
QUIET :=
# Non·empty if `help´ or `clean´, and no targets other than `help´ or `clean´, were specified as goals on the commandline.
override notbuilding := $(and $(filter help clean,$(MAKECMDGOALS)),$(call not,$(filter-out help clean,$(MAKECMDGOALS))))
-# (callable) Test to see if the prerequisites provided by the second argument matches the value in the file corresponding to the first argument in `$(BUILDDIR)/lastprereqs´.
-# If not, save the new value and then add FORCE.
-# Return them regardless.
+# (callable) Tests to see if the prerequisites provided by the second argument matches the value in the file corresponding to the first argument in `$(BUILDDIR)/lastprereqs´.
+# If not, saves the new value.
+# Returns the values plus the file in `$(BUILDDIR)/lastprereqs´, which will always be newer than the target if there was a change.
#
# Calling this variable is useful when a given target should be updated whenever its list of prerequisites changes in addition to whenever there is a change to one of its prerequisites.
#
# If `$(notbuilding)´ is non·empty, this variable produces no result to avoid unnecessary work.
#
# ☡ This variable creates at least one subshell every time it is computed.
-override diffprereqs = $(if $(notbuilding),,$(if $(subst $(shell $(CAT) $(call quote,$(BUILDDIR)/lastprereqs/$1) 2>>/dev/null || :),,$2),$2 FORCE$(and $(shell $(call ensuredirectory,$(BUILDDIR)/lastprereqs) && $(PRINTF) '%s\n' $(call quote,$2) >|$(BUILDDIR)/lastprereqs/$1),),$2))
+override diffprereqs = $(if $(notbuilding),,$(and $(subst $(shell $(CAT) $(call quote,$(BUILDDIR)/lastprereqs/$1) 2>>/dev/null || :),,$2),$(shell $(call ensuredirectory,$(BUILDDIR)/lastprereqs) && $(PRINTF) '%s\n' $(call quote,$2) >|$(BUILDDIR)/lastprereqs/$1),)$2 $(BUILDDIR)/lastprereqs/$1)
# (callable) Escape special characters for use in X·M·L.
override xmlesc = $(subst >,>,$(subst <,<,$(subst &,&,$1)))
.SUFFIXES : ;
# Don’t delete these files even if Make is stopped in the process of rebuilding them.
-.PRECIOUS : GNUmakefile ;
+.PRECIOUS : $(THISDIR)/GNUmakefile ;
# Phony rules; always consider these out·of·date.
-.PHONY : FORCE all default clean gone info install list listout uninstall $(call built,$(recursivefiles)) ;
+.PHONY : FORCE all clean gone help install list listout uninstall $(call built,$(recursivefiles)) ;
ifeq ($(notbuilding),)
-# Reload this make·file if the magic file, parser, dependencies, or destinations have changed.
+# Reload this make·file if the magic file, parser, or transform have changed.
#
# If the magic file or parser changed, then another restart will be required, as the dependencies and destinations will need to be regenerated.
-$(THISDIR)/GNUmakefile : $(BUILDDIR)/magic.mgc $(BUILDDIR)/parser.xslt $(BUILDDIR)/dependencies $(BUILDDIR)/destinations
+$(THISDIR)/GNUmakefile : $(BUILDDIR)/magic.mgc $(BUILDDIR)/parser.xslt $(BUILDDIR)/transform.xslt
$(silent)$(TOUCH) $(THISDIR)/GNUmakefile
- $(if $(filter $(BUILDDIR)/magic.mgc $(BUILDDIR)/parser.xslt,$?),$(call inform,$(PRINTF) '%b\n' '\0033[1mMagic file or parsers have updated. Restarting…\0033[22m' >&2)$(newline)$(silent)$(SLEEP) 1,$(if $(typeupdates),$(silent)$(RM) $(call quote,$(BUILDDIR)/.update-types)$(newline),)$(call inform,$(PRINTF) '%b\n' '\0033[1mDependency graph and output destinations updated. Restarting…\0033[22m' >&2))
+ $(if $(filter $(BUILDDIR)/magic.mgc $(BUILDDIR)/parser.xslt,$?),$(call inform,$(PRINTF) '%b\n' '\0033[1mMagic file or parsers have updated. Restarting…\0033[22m' >&2)$(newline)$(silent)$(SLEEP) 1,$(if $(typeupdates),$(silent)$(RM) $(call quote,$(BUILDDIR)/.update-types)$(newline),)$(call inform,$(PRINTF) '%b\n' '\0033[1mDependency graph$(comma) output destinations$(comma) or transforms updated. Restarting…\0033[22m' >&2))
endif
# ─ ¶ Build Targets ───────────────────────────────────────────────────
$(silent)$(call unlesstypeswillupdate,{ $(PRINTF) '<?xml version="1.0"?><rdf:RDF xmlns:nie="http://www.semanticdesktop.org/ontologies/2007/01/19/nie#" xmlns:nfo="http://www.semanticdesktop.org/ontologies/2007/03/22/nfo#" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:书社vocab="urn:fdc:ladys.computer:20231231:Shu1She4:vocab:"><书社vocab:BuildDirectory nfo:fileUrl="%s"/>' $(call quote,$(call attresc,$(call fileuri,$(BUILDDIR)))); {$(foreach meta,$(call metadata,$(sort $(sourcefiles) $(sourceincludes))), $(CAT) $(call quote,$(meta));) } | $(SED) 's/<?xml version="1.0"?>//g'; $(PRINTF) '%s\n' '</rdf:RDF>'; } | ( $(CD) $(call quote,$(BUILDDIR)); $(XSLTPROC) --nonet --novalid --nomkdir $(call quote,$(abspath $(THISDIR)/lib/expandmetadata.xslt)) - ) | $(XMLLINT) --nonet --nsclean - >|$(call quote,$(BUILDDIR)/metadata))
# Generate the main transform.
+#
+# Because this depends on the metadata, it will also update the dependencies and destinations.
$(BUILDDIR)/transform.catalog : $(call diffprereqs,transforms,$(sort $(TRANSFORMS)))
$(call inform,$(PRINTF) '%s\n' 'Generating catalog of transforms…' >&2)
$(silent)$(XMLCATALOG) --create --noout $(call quote,$@)
$(silent)$(XSLTPROC) --nonet --novalid --nomkdir --nowrite --stringparam METADATA $(call quote,$(call fileuri,$(BUILDDIR))/metadata) $(call quote,$(THISDIR)/lib/catalog2transform.xslt) $(call quote,$<) >|$(call quote,$@)
# Compile the result files using the dependencies as necessary.
-$(call compiled,$(compilablefiles)) : $(BUILDDIR)/results/% : $$(call parsed,$$(call uncompiled,$$@)) $$(call parsed,$$(call dependencies,$$(call uncompiled,$$@))) $(BUILDDIR)/transform.xslt $(TRANSFORMLIBS) $(BUILDDIR)/metadata
+#
+# Altho this (obviously) depends on the main transform, it is not listed as a prerequisite (rather, the main transform is listed as a prerequisite for the make·file writ large). This is because the transform will update after every metadata change (i·e, basically constantly), but compiled files should only actually be updated in two cases :—
+#
+# • When one of the actual transforms are updated (tracked by `transform.catalog´), and
+# • When the metadata of ⹐source files they depend on⹑ change.
+#
+# This is to reduce the number of needless regenerations of files with no substantial change.
+$(call compiled,$(compilablefiles)) : $(BUILDDIR)/results/% : $$(call parsed,$$(call uncompiled,$$@)) $$(call parsed,$$(call dependencies,$$(call uncompiled,$$@))) $(BUILDDIR)/transform.catalog $(TRANSFORMLIBS) $$(call metadata,$$(call dependencies,$$(call uncompiled,$$@)))
$(call inform,$(PRINTF) '%s\n' $(call quote,Compiling </$*>…) >&2)
$(silent)$(call ensuredirectory,$(dir $@))
$(silent)$(XSLTPROC) --nonet --novalid --nomkdir --nowrite --stringparam METADATA 'metadata' --stringparam BUILDTIME $$($(DATE) -u '+%Y-%m-%dT%H:%M:%SZ') --stringparam IDENTIFIER $(call quote,$(call localuri,$(call uncompiled,$@)))$(if $(THISREV), --stringparam THISREV $(call quote,$(THISREV)),)$(if $(SRCREV), --stringparam SRCREV $(call quote,$(SRCREV)),) $(call quote,$(BUILDDIR)/transform.xslt) $(call quote,$<) >|$(call quote,$@)
# ─ ¶ Special Targets ─────────────────────────────────────────────────
+# Don’t use any implicit rules.
+.SUFFIXES : ;
+
+# Don’t delete these files even if Make is stopped in the process of rebuilding them.
+.PRECIOUS : $(THISDIR)/GNUmakefile ;
+
# Reload this make·file if the archive components have changed.
$(THISDIR)/GNUmakefile : $(BUILDDIR)/index
$(silent)$(TOUCH) $(THISDIR)/GNUmakefile
# Use the extractor transform to extract the archive source file out into its components.
#
# This target sleeps for 1 second to ensure the resulting index will always be newer than this make·file.
+#
+# If the archive is empty, the index will not be written by `xsltproc´ and will need to be manually created.
$(BUILDDIR)/index : $(BUILDDIR)/extractor.xslt $(SRC)
$(call inform,$(PRINTF) '%s\n' $(call quote,Extracting components for </$(NAME)>…) >&2)
$(silent)$(SLEEP) 1
$(silent)$(XSLTPROC) --nonet --novalid -o $(call quote,$@) --writesubtree $(call quote,$(dir $@)) $(call quote,$<) $(call quote,$(SRC))
+ $(silent)if $(TEST) ! -e $(call quote,$@); then $(TOUCH) $(call quote,$@); fi
# All archive components are extracted alongside the index.
$(foreach file,$(archivefiles),$(BUILDDIR)/extracted/$(file)) : $(BUILDDIR)/index ;
$(call inform,$(PRINTF) '%s\n' $(call quote,Archiving </$(NAME)>…) >&2)
$(silent)$(call ensuredirectory,$(dir $@))
$(silent)$(RM) -f -R $(call quote,$@)
- $(silent)$(CD) $(call quote,$(BUILDDIR)/files); if $(call xpath,/*/@*[local-name()="expanded" and namespace-uri()="urn:fdc:ladys.computer:20231231:Shu1She4"],$(abspath $<)); then $(MKDIR) -p $(call quote,$(abspath $@)); $(PRINTF) '%s\n' $(foreach file,$(archivefiles),$(call quote,$(file))) | $(PAX) -r -w $(call quote,$(abspath $@)); else $(PRINTF) '%s\n' $(foreach file,$(archivefiles),$(call quote,$(file))) | $(PAX) -w -x ustar >|$(call quote,$(abspath $@)); fi
+ $(silent)$(call ensuredirectory,$(BUILDDIR)/files)
+ $(silent)$(CD) $(call quote,$(BUILDDIR)/files); if $(call xpath,/*/@*[local-name()="expanded" and namespace-uri()="urn:fdc:ladys.computer:20231231:Shu1She4"],$(abspath $<)); then $(MKDIR) -p $(call quote,$(abspath $@)); $(PRINTF) '$(if $(archivefiles),%s\n,)' $(foreach file,$(archivefiles),$(call quote,$(file))) | $(PAX) -r -w $(call quote,$(abspath $@)); else $(PRINTF) '$(if $(archivefiles),%s\n,)' $(foreach file,$(archivefiles),$(call quote,$(file))) | $(PAX) -w -x ustar >|$(call quote,$(abspath $@)); fi
+
+# ━ § BEGIN TWO‐STEP MAKE·FILE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
+
+else ifeq ($(MODE),urn:fdc:ladys.computer:20231231:Shu1She4:mode:_2stage)
+
+# ─ ¶ Non‐Recipe Variable Definitions ─────────────────────────────────
+
+override makefile := $(abspath $(THISDIR)/GNUmakefile)
+
+# (overridable) Options to use when calling ⛩📰 书社 the first time.
+shushedataopts := INCLUDEDIR=$(call quote,$(DATADIR)) BUILDDIR=$(call quote,$(BUILDDIR)/data) FINDRULES=$(subst $$,$$$$,$(call quote,$(FINDRULES) -a '(' $(FINDDATARULES) ')')) FINDINCLUDERULES=$(subst $$,$$$$,$(call quote,$(FINDINCLUDERULES))) MODE='urn:fdc:ladys.computer:20231231:Shu1She4:mode:default'
+
+# (overridable) Options to use when calling ⛩📰 书社 the second time.
+shushesiteopts := INCLUDEDIR=$(call quote,$(INCLUDEDIR) $(BUILDDIR)/data/public) BUILDDIR=$(call quote,$(BUILDDIR)/site) FINDRULES=$(subst $$,$$$$,$(call quote,$(FINDRULES) -a '!' '(' $(FINDDATARULES) ')')) FINDINCLUDERULES=$(subst $$,$$$$,$(call quote,$(FINDINCLUDERULES))) MODE='urn:fdc:ladys.computer:20231231:Shu1She4:mode:default'
+
+# ─ ¶ Recipe Variable Definitions ─────────────────────────────────────
+
+# ─ ¶ Phony Targets ───────────────────────────────────────────────────
+
+# Compile all files, or error if any are recursive.
+all : data
+ @$(MAKE) -f $(call quote,$(makefile)) $(shushesiteopts)
+
+# Destroy buildfiles.
+clean :
+ $(if $(BUILDDIR),$(silent)$(RM) -f -R $(call quote,$(BUILDDIR)/),)
+
+# Build the data and remove outdated data files.
+data : $(BUILDDIR)/data.out
+ $(silent)$(FIND) $(call quote,$(BUILDDIR)/data/public) '!' -exec $(GREP) -F -q -x '{}' $(call quote,$<) ';' -a '(' -type d -o -print ')' | $(xargsmultiquote) | $(XARGS) -E '' $(RM)
+
+# Destroy build directory and installed files.
+gone : clean uninstall ;
+
+# Install the compiled files into `DESTDIR´.
+install : all
+ @$(MAKE) -f $(call quote,$(makefile)) $@ $(shushedataopts)
+ @$(MAKE) -f $(call quote,$(makefile)) $@ $(shushesiteopts)
+
+# List all source files and includes and their computed types.
+list : data
+ @$(PRINTF) '%b' $(call quote,\0033[1;7m||Stage|1:||\0033[22;27m\0033[4m||||||||||||||||||||\0033[24m ) | $(TR) ' |' '\n '
+ @$(MAKE) -f $(call quote,$(makefile)) $@ $(shushedataopts)
+ @$(PRINTF) '%b' $(call quote, \0033[1;7m||Stage|2:||\0033[22;27m\0033[4m||||||||||||||||||||\0033[24m ) | $(TR) ' |' '\n '
+ @$(MAKE) -f $(call quote,$(makefile)) $@ $(shushesiteopts)
+listout : data
+ @{ $(MAKE) -f $(call quote,$(makefile)) $@ $(shushedataopts); $(MAKE) -f $(call quote,$(makefile)) $@ $(shushesiteopts); } | $(SED) '$$!s/$$/ /' | $(TR) -d '\n'
+list1 listout1 : %1 :
+ @$(MAKE) -f $(call quote,$(makefile)) $* $(shushedataopts)
+list2 listout2 : %2 : data
+ @$(MAKE) -f $(call quote,$(makefile)) $* $(shushesiteopts)
+
+# Destroy installed files.
+uninstall :
+ @$(MAKE) -f $(call quote,$(makefile)) $@ $(shushesiteopts)
+
+# Add as a prerequisite to treat the target as tho it were phony.
+FORCE : ;
+
+# ─ ¶ Special Targets ─────────────────────────────────────────────────
+
+# Don’t use any implicit rules.
+.SUFFIXES : ;
+
+# Phony rules; always consider these out·of·date.
+.PHONY : FORCE all data clean gone install list listout uninstall ;
+
+# ─ ¶ Build Targets ───────────────────────────────────────────────────
+
+$(BUILDDIR)/data.out : FORCE
+ @$(MAKE) -f $(call quote,$(makefile)) $(shushedataopts)
+ @$(MAKE) -s -f $(call quote,$(makefile)) listout QUIET=1 $(shushedataopts) | $(TR) ' ' '\n' | $(xargsmultiquote) | $(XARGS) -E '' $(PRINTF) $(call quote,$(BUILDDIR)/data/public/%s\n) >$(call quote,$(BUILDDIR)/data.out)
+
+$(BUILDDIR)/data/% : FORCE
+ @$(MAKE) -f $(call quote,$(makefile)) $@ $(shushedataopts)
+
+$(BUILDDIR)/site/% : data
+ @$(MAKE) -f $(call quote,$(makefile)) $@ $(shushesiteopts)
+
+$(DESTDIR)/% : data
+ @$(MAKE) -f $(call quote,$(makefile)) $@ $(if $(shell $(GREP) -F -x $(call quote,$(BUILDDIR)/data/$*) $(BUILDDIR)/data.out),$(shushedataopts),$(shushesiteopts))
# ━ § END DEFINED MAKE·FILE MODES ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━