X-Git-Url: https://git.ladys.computer/Shushe/blobdiff_plain/ec9ef029de81093ece572be3dc6a9b0b328a25da..b2cc96f23ec5a34e75775f0431236597d1db02b0:/GNUmakefile
diff --git a/GNUmakefile b/GNUmakefile
index f914825..c953ac7 100644
--- a/GNUmakefile
+++ b/GNUmakefile
@@ -3,7 +3,7 @@ SHELL = /bin/sh
# ━ § BASIC INFORMATION ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
override define makefileinfo
╭────────────────────────────╮
-╔╡ ⁌ ⛩️📰 书社 ∷ GNUmakefile ╞════════════════════════════════╗
+╔╡ ⁌ ⛩️📰 书社 ∷ GNUmakefile ╞═════════════════════════════════╗
║╰────────────────────────────╯ ║
╟┬ ¶ Prerequisites ───────────────────────────────────────────┬╢
║│ │║
@@ -16,6 +16,7 @@ override define makefileinfo
║│ │║
║│ • awk │║
║│ • cat │║
+║│ • cksum │║
║│ • cp │║
║│ • date │║
║│ • echo │║
@@ -46,13 +47,14 @@ override define makefileinfo
║╰────────────────────────────────────────────────────────────╯║
╟┬ ¶ Usage ───────────────────────────────────────────────────┬╢
║│ │║
-║│ • `make all´: Compile, but do not install, all files. │║
+║│ • `make all´ (default): Compile, but do not install, all │║
+║│ files. │║
║│ │║
║│ • `make clean´: Remove `BUILDDIR´. │║
║│ │║
║│ • `make gone´: Remove `BUILDDIR´ and installed files. │║
║│ │║
-║│ • `make help´ (default): Print this message. │║
+║│ • `make help´: Print this message. │║
║│ │║
║│ • `make install´: Compile all files and install in │║
║│ `DESTDIR´. │║
@@ -88,6 +90,7 @@ endef
# If these are not installed on your computer, or you need to use a different implementation, you can override the appropriate variable.
AWK := awk
CAT := cat
+CKSUM := cksum
CP := cp
DATE := date
ECHO := echo
@@ -165,13 +168,23 @@ TRANSFORMS := $(sort $(patsubst ./%,%,$(wildcard $(THISDIR)/transforms/*.xslt))
# List of types which should be treated as X·M·L.
XMLTYPES := application/xml text/xml
+ifdef GIT
+ifneq ($(wildcard $(THISDIR)/.git),)
+# A description of the current git revision of ⛩️📰 书社.
+THISREV := $(shell cd $(THISDIR); $(GIT) describe 2> /dev/null || $(GIT) rev-parse HEAD 2> /dev/null || true)
+endif
+
+ifneq ($(wildcard .git),)
+# A description of the current git revision of the working directory.
+SRCREV := $(shell $(GIT) describe 2> /dev/null || $(GIT) rev-parse HEAD 2> /dev/null || true)
+endif
+endif
+
# Set to a non·empty value to print all commands as they run.
VERBOSE :=
# The default target for this makefile.
-#
-# Print help and exit.
-.DEFAULT_GOAL := help
+.DEFAULT_GOAL := all
# ━ § BEGIN MAKE·FILE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
@@ -198,22 +211,40 @@ override quote = '$(subst ','"'"',$1)'
# Outputs an `@´ to silence rules, unless `VERBOSE´ is nonempty.
override silent := $(if $(VERBOSE),,@)
+# (callable) Test to see if the prerequisites provided by the second argument matches the value in the file corresponding to the first argument in `$(BUILDDIR)/lastprereqs´.
+# If not, save the new value and then add FORCE.
+# Return them regardless.
+#
+# 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.
+#
+# ☡ This variable creates at least one subshell every time it is computed.
+override diffprereqs = $(if $(subst $(shell $(CAT) $(call quote,$(BUILDDIR)/lastprereqs/$1) 2> /dev/null || true),,$2),$2 FORCE$(and $(shell $(call ensuredirectory,$(BUILDDIR)/lastprereqs) && $(PRINTF) '%s\n' $(call quote,$2) > $(BUILDDIR)/lastprereqs/$1),),$2)
+
# (callable) Escape special characters for use in sed regular expressions.
override sedesc = $(subst /,[/],$(subst $$,\$$,$(subst *,\*,$(subst .,\.,$(subst [,\[,$(subst ^,\^,$(subst \,\\,$1)))))))
+# The command to use for percent‐decoding.
+override perdeccmd := $(SED) 's/|/%7C/g;s/[\]/%5C/g;s/%[0-9A-Fa-f]\{2\}/|&|/g' | $(TR) '|' '\n' | $(SED) '/^%[0-9A-Fa-f]\{2\}$$/!s/%/|%25|/' | $(TR) '|' '\n' | $(AWK) '$$0!~/%/{printf "%s",$$0}/%/{d="0123456789ABCDEF";v=substr(toupper($$0),2,2);printf "\\%04o",(index(d,substr(v,1,1))-1)*16+index(d,substr(v,2,1))-1}' | $(XARGS) -0 $(PRINTF) '%b'
+
# (callable) Percent‐decode the given strings.
-override perdec = $(foreach encoded,$1,$(shell $(PRINTF) '%s\n' $(call quote,$(encoded)) | $(SED) 's/|/%7C/g;s/[\]/%5C/g;s/%[0-9A-Fa-f]\{2\}/|&|/g' | $(TR) '|' '\n' | $(SED) '/^%[0-9A-Fa-f]\{2\}$$/!s/%/|%25|/' | $(TR) '|' '\n' | $(AWK) '$$0!~/%/{printf "%s",$$0}/%/{sub("%","0x");cmd="$(XARGS) $(PRINTF) \"%04o\"";printf "%s","\\";printf "%s",$$0|cmd;close(cmd)}' | $(XARGS) -0 $(PRINTF) '%b'))
+#
+# ☡ This variable creates a subshell every time it is computed.
+override perdec = $(shell $(PRINTF) '%s\0450A' $(foreach encoded,$1,$(call quote,$(encoded))) | $(perdeccmd))
# (callable) Percent‐encode the given strings.
#
# This singly‐encodes u·r·i characters and doubly‐encodes other characters, then calls `perdec´ to decode back to a single encoding.
# The encoding assumes the input is a “u·r·i component”; e·g that the resulting string should only contain `pchar´ (but can contain any `sub-delim´).
-override perenc = $(foreach unencoded,$1,$(call perdec,$(shell $(PRINTF) '%s' $(call quote,$(unencoded)) | $(OD) -t x1 | $(SED) 's/^[0-9]*//;s/2[146-9A-Ea-e]/%&/g;s/3[0-9AaBbDd]/%&/g;s/40/%&/g;s/[46][1-9A-Fa-f]/%&/g;s/[57][0-9Aa]/%&/g;s/5[Ff]/%&/g;s/7[Ee]/%&/g;s/[ ][0-9A-Fa-f]\{2\}/%25&/g' | $(TR) -d ' \n' | $(TR) 'abcdef' 'ABCDEF')))
+#
+# It is assumed that the given strings do not contain newlines.
+#
+# ☡ This variable creates a subshell every time it is computed.
+override perenc = $(shell $(PRINTF) '%s\n' $(foreach unencoded,$1,$(call quote,$(unencoded))) | $(OD) -t x1 | $(SED) 's/^[0-9]*//;s/0[Aa]/%&/g;s/2[146-9A-Ea-e]/%&/g;s/3[0-9AaBbDd]/%&/g;s/40/%&/g;s/[46][1-9A-Fa-f]/%&/g;s/[57][0-9Aa]/%&/g;s/5[Ff]/%&/g;s/7[Ee]/%&/g;s/[ ][0-9A-Fa-f]\{2\}/%25&/g' | $(TR) -d ' \n' | $(TR) 'abcdef' 'ABCDEF' | $(perdeccmd))
# (callable) Percent‐encode each component in the given paths.
#
-# ☡ This will remove leading and trailing slashes.
-override pathenc = $(foreach path,$1,$(subst $(space),/,$(call perenc,$(subst /, ,$(path)))))
+# ☡ This variable creates a subshell every time it is computed.
+override pathenc = $(subst %2F,/,$(call perenc,$1))
# (overridable) Collect all of the applicable includes from the includes directory.
sourceincludes := $(shell $(FIND) $(foreach dir,$(INCLUDEDIR),$(call quote,$(dir))) '(' $(FINDRULES) ')' -a -type f)
@@ -221,18 +252,6 @@ sourceincludes := $(shell $(FIND) $(foreach dir,$(INCLUDEDIR),$(call quote,$(dir
# (overridable) Collect all of the applicable source files from the source directory, removing any which are also includes.
sourcefiles := $(filter-out $(sourceincludes),$(shell $(FIND) $(foreach dir,$(SRCDIR),$(call quote,$(dir))) '(' $(FINDRULES) ')' -a -type f))
-ifdef GIT
-ifneq ($(wildcard $(THISDIR)/.git),)
-# (overridable) The name of the current revision of ⛩️📰 书社, or its hash if the current revision is not a tag.
-thisrev = $(shell cd $(THISDIR); $(GIT) describe 2> /dev/null || $(GIT) rev-parse HEAD 2> /dev/null || true)
-endif
-
-ifneq ($(wildcard .git),)
-# (overridable) The name of the current revision of the working directory, or its hash if the current revision is not a tag.
-srcrev = $(shell $(GIT) describe 2> /dev/null || $(GIT) rev-parse HEAD 2> /dev/null || true)
-endif
-endif
-
# Figure out the file type of each source file and source include.
ifneq ($(wildcard $(BUILDDIR)/magic.mgc),)
override types := $(shell $(SED) 's/^ *//;s/ *$$//;s/ {2,}/ /g' <<< $(call quote,$(sourcefiles) $(sourceincludes)) | $(TR) ' ' '\n' | $(FILE) -m $(call quote,$(BUILDDIR)/magic.mgc) --mime-type --separator '|' --files-from - | $(SED) 's/| */|/g')
@@ -254,9 +273,6 @@ override assetfiles := $(filter-out $(xmlfiles) $(plaintextfiles),$(sourcefiles)
# (callable) Get the types of the given files.
override typeoffile = $(patsubst $(foreach file,$1,$(file)|%),%,$(filter $(foreach file,$1,$(file)|%),$(types)))
-# (callable) Get the identifier for the given parser or transform.
-override id = $(or $(shell $(XMLLINT) --xpath '/*/*[local-name()="id" and namespace-uri()="urn:fdc:ladys.computer:20231231:Shu1She4"]/text()[1]' $1 2> /dev/null),about:shushe?$(or $2,unknown)=$(call pathenc,$(basename $(notdir $1))))
-
# Pair each source magic file with its location in the build directory.
override magicpair := $(foreach magicfile,$(MAGIC),$(magicfile)|$(BUILDDIR)/magic/$(notdir $(magicfile)))
@@ -273,6 +289,8 @@ override sourcepath = $(firstword $(foreach directory,$(SRCDIR),$(if $(filter $(
override includepath = $(firstword $(foreach directory,$(INCLUDEDIR),$(if $(filter $(directory)/%,$1),$(patsubst $(directory)/%,%,$1),)))
# (callable) Get base64 data u·r·i’s for the given files.
+#
+# ☡ This variable creates a subshell every time it is computed.
override datauri = $(foreach file,$1,data:$(call typeoffile,$(file));base64,$(shell $(UUENCODE) -m -r $(call quote,$(file)) _ | tr -d ' \n'))
# Pair each source file and include with its local u·r·i.
@@ -299,6 +317,12 @@ override parsed = $(foreach file,$1,$(patsubst $(file)|%,%,$(filter $(file)|%,$(
# (callable) Get the source files for the given parsed file.
override unparsed = $(foreach file,$1,$(patsubst %|$(file),%,$(filter %|$(file),$(sourceparsedpair))))
+# Pair each parser, transform, or parsed file with its file u·r·i.
+override fileuripairs := $(join $(patsubst %,%|,$(PARSERS) $(TRANSFORMS) $(call parsed,$(sourcefiles) $(sourceincludes))),$(call pathenc,$(foreach uriable,$(PARSERS) $(TRANSFORMS) $(call parsed,$(sourcefiles) $(sourceincludes)),file://$(abspath $(uriable)))))
+
+# (callable) Get the file u·r·is for the given parsers, transforms, or parsed files.
+override fileuri = $(foreach file,$1,$(patsubst $(file)|%,%,$(filter $(file)|%,$(fileuripairs))))
+
ifneq ($(wildcard $(BUILDDIR)/dependencies),)
# Pair each file with a list of dependencies for it.
override dependenciesforfile := $(foreach file,$(filter-out $(assetfiles),$(sourcefiles) $(sourceincludes)),$(file)|$(subst $(space),|,$(shell $(CAT) $(call quote,$(BUILDDIR)/dependencies) | $(SED) $(call quote,/^$(call sedesc,$(call localuri,$(file)))$$/$(comma)/^[^ ]/!d;/^ /!d;s/^ //))))
@@ -356,14 +380,20 @@ endif
# (callable) Check to see if the given directory exists and create it if not.
override ensuredirectory = if $(TEST) ! -d $(call quote,$1); then $(MKDIR) -p $(call quote,$1); fi
+# (callable) Get the identifier for the given parser or transform.
+override id = $(XMLLINT) --xpath '/*/*[local-name()="id" and namespace-uri()="urn:fdc:ladys.computer:20231231:Shu1She4"]/text()[1]' $(call quote,$1) 2> /dev/null || $(PRINTF) '%s\n' $(call quote,about:shushe?$(or $2,unknown)=$(call pathenc,$(basename $(notdir $1))))
+
# (callable) Sanitize and wrap the provided plaintext file in X·M·L, printing to `stdout´.
override wrapplaintext = $(PRINTF) '%s\n' "$$($(PRINTF) '%b' '\n')"
-# ─ ¶ Phony Targets ───────────────────────────────────────────────────
+# (callable) Check if the provided X·M·L file is X·M·L 1.1, and if so, coerce to X·M·L 1.0 as best as possible, printing the result (or the original file contents) to `stdout´.
+#
+# The X·M·L declaration will be dropped and character escapes for C0 control codes will be replaced with a literal `U+0091 PRIVATE USE ONE´, which is invalid in X·M·L 1.1, but valid X·M·L 1.0 (making the replacement obvious).
+#
+# This isn’t a perfect substitution (it makes some assumptions about the format of the underlying X·M·L), but it should be workable for most sensible, welformed files.
+override serializexml = $(SED) "$$($(PRINTF) '%b' '/]*?>//\n s/&\0043x0*[1-8BCEFbcef];/\0302\0221/g\n s/&\0043x0*1[0-9A-Fa-f];/\0302\0221/g\n s/&\00430*[1-8];/\0302\0221/g\n s/&\00430*1[124-9];/\0302\0221/g\n s/&\00430*2[0-9];/\0302\0221/g\n s/&\00430*3[01];/\0302\0221/g\n}')" < $(call quote,$1) | $(SED) "$$(PRINTF '%b' ':a\n/^\\n*$$/{ $$d\n N\n ba\n}')"
-# Provide help.
-help :
- @$(PRINTF) '%b' '$(subst $(newline),\n,$(makefileinfo))'
+# ─ ¶ Phony Targets ───────────────────────────────────────────────────
# Compile all files, or error if any are recursive.
all : $(call compiled,$(recursivefiles) $(compilablefiles)) ;
@@ -375,6 +405,10 @@ clean :
# Destroy build directory and installed files.
gone : clean uninstall ;
+# Provide help.
+help :
+ @$(PRINTF) '%b' '$(subst $(newline),\n,$(makefileinfo))'
+
# Install the compiled files into `DESTDIR´, or error if any are recursive.
install : $(call installed,$(recursivefiles) $(installablefiles)) ;
@@ -382,7 +416,7 @@ install : $(call installed,$(recursivefiles) $(installablefiles)) ;
list :
@$(PRINTF) '%b' $(call quote,$(foreach file,$(sort $(sourcefiles)) $(sort $(sourceincludes)),\0033[1m$(file)\0033[22m|$(call typeoffile,$(file))|[\0033[3m$(if $(filter $(file),$(xmlfiles)),xml,$(if $(filter $(file),$(plaintextfiles)),text,asset))$(if $(filter $(file),$(sourceincludes)),|include,)\0033[23m]$(if $(call dependencies,$(file))$(call recursives,$(file)), $(strip $(foreach recursive,$(call recursives,$(file)),\0033[93;41m•|Recursive|Dependency|\0033[39;49m|$(recursive)) $(foreach dependency,$(call dependencies,$(file)),\0033[2m•|Dependency|\0033[22m|$(dependency))))$(if $(filter $(file),$(sourcefiles)), →|<\0033[4m/$(call destination,$(file))\0033[24m>,) )) | $(TR) ' |' '\n '
-# Destroy build directory and installed files.
+# Destroy installed files.
uninstall :
$(foreach file,$(installablefiles),$(if $(wildcard $(call installed,$(file))),$(silent)$(PRINTF) '%s\n' $(call quote,Removing …)$(newline)$(silent)$(RM) -f $(call quote,$(call installed,$(file)))$(newline),))
@@ -390,6 +424,9 @@ uninstall :
$(call compiled,$(recursivefiles)) :
@$(PRINTF) '%b\n' $(call quote,\0033[93;41mError:\0033[39;49m `$(call uncompiled,$@)´ has recursive dependencies:\n$(subst |, ,$(subst $(space),$(newline),$(foreach recursive,$(call recursives,$(call uncompiled,$@)),•|$(recursive))))) && false
+# Add as a prerequisite to treat the target as tho it were phony.
+FORCE : ;
+
# ─ ¶ Special Targets ─────────────────────────────────────────────────
# Perform secondary expansion; this enables pattern rules to determine their prerequisites based on the matched pattern.
@@ -399,21 +436,27 @@ $(call compiled,$(recursivefiles)) :
.SUFFIXES : ;
# Phony rules; always consider these out·of·date.
-.PHONY : all default clean gone info install list uninstall $(call compiled,$(recursivefiles)) ;
+.PHONY : FORCE all default clean gone info install list uninstall $(call compiled,$(recursivefiles)) ;
-ifneq ($(wildcard $(BUILDDIR)/.update-types)$(wildcard $(BUILDDIR)/dependencies)$(wildcard $(BUILDDIR)/destinations),)
+ifneq ($(typeupdates)$(wildcard $(BUILDDIR)/dependencies)$(wildcard $(BUILDDIR)/destinations),)
# Reload this make·file if the dependency graph or output destinations have changed.
#
# The dependency graph and output destinations are used to set the values of variables in this make·file, so it’s important to ensure that they are actually up·to·date prior to executing any later rules.
#
# This recipe only exists after types have been updated or when the dependency graph or destinations file already exists.
+#
+# ※ There is a chance that generating the dependencies will also update the parsers.
$(THISDIR)/GNUmakefile :: $(BUILDDIR)/dependencies $(BUILDDIR)/destinations
$(silent)$(TOUCH) $(THISDIR)/GNUmakefile
- $(silent)$(RM) -f $(BUILDDIR)/.update-types
+ifeq ($(typeupdates),)
+ @if $(TEST) ! -f $(call quote,$(BUILDDIR)/.update-types); then $(PRINTF) '%b\n' '\0033[1mDependency graph and output destinations updated. Restarting…\0033[22m'; fi
+else
+ $(silent)$(RM) $(BUILDDIR)/.update-types
@$(PRINTF) '%b\n' '\0033[1mDependency graph and output destinations updated. Restarting…\0033[22m'
endif
+endif
-ifeq ($(wildcard $(BUILDDIR)/.update-types),)
+ifeq ($(typeupdates),)
# Reload this make·file if any of the magic files or parsers have changed.
#
# These are used to classify source files, so if they have changed then the make·file must be reloaded.
@@ -429,47 +472,47 @@ endif
# ─ ¶ Build Targets ───────────────────────────────────────────────────
-# Create symbolic links from the build directory’s store of magic files
-# to their corresponding sources.
-$(call magicfile,$(MAGIC)) : $(BUILDDIR)/magic/%: $$(call magicsource,$$@)
+# Create symbolic links from the build directory’s store of magic files to their corresponding sources.
+$(call magicfile,$(MAGIC)) : $(BUILDDIR)/magic/% : $$(call magicsource,$$@)
$(silent)$(call ensuredirectory,$(dir $@))
$(silent)$(LN) -sf $(call quote,$(realpath $<)) $(call quote,$@)
# Generate the compiled magic file from its sources.
#
# It must be updated if any of the files in the magic directory change.
-# It ⁜also⁜ should be updated if any of the files in the magic directory are deleted, but this isn’t tracked presently.
-$(BUILDDIR)/magic.mgc : $(call magicfile,$(MAGIC))
+$(BUILDDIR)/magic.mgc : $(call diffprereqs,magic,$(sort $(call magicfile,$(MAGIC))))
$(foreach outdated,$(filter-out $^,$(wildcard $(BUILDDIR)/magic/*)),$(silent)$(RM) $(call quote,$(outdated))$(newline))
@$(ECHO) "Compiling new magic…"
$(silent)$(call ensuredirectory,$(dir $@))
$(silent)cd $(call quote,$(BUILDDIR)) && $(FILE) -C -m $(call quote,$(realpath $(BUILDDIR)/magic))
+ $(silent)$(TOUCH) $(call quote,$(BUILDDIR)/.update-types)
# Generate the main parser.
-$(BUILDDIR)/parser.catalog : $(PARSERS)
+$(BUILDDIR)/parser.catalog : $(call diffprereqs,parsers,$(sort $(PARSERS)))
@$(ECHO) "Generating catalog of parsers…"
$(silent)$(XMLCATALOG) --create --noout $(call quote,$@)
- $(foreach parser,$(PARSERS),$(silent)$(XMLCATALOG) --add uri $(call quote,$(call id,$(parser),parser)) $(call quote,file:///$(call pathenc,$(abspath $(parser)))) --noout $(call quote,$@)$(newline))
-$(BUILDDIR)/parser.xslt: $(BUILDDIR)/parser.catalog $(THISDIR)/lib/catalog2parser.xslt
+ $(foreach parser,$(PARSERS),$(silent)( $(call id,$(parser)) ) | $(XARGS) -I %% $(XMLCATALOG) --add uri %% $(call quote,$(call fileuri,$(parser))) --noout $(call quote,$@)$(newline))
+$(BUILDDIR)/parser.xslt : $(BUILDDIR)/parser.catalog $(THISDIR)/lib/catalog2parser.xslt
@$(ECHO) "Generating main parser…"
$(silent)$(XSLTPROC) -o $(call quote,$@) $(call quote,$(THISDIR)/lib/catalog2parser.xslt) $(call quote,$<)
+ $(silent)$(TOUCH) $(call quote,$(BUILDDIR)/.update-types)
# Parse the files.
#
# Even plain X·M·L files are parsed, because they may contain X·H·T·M·L `