97 lines
3.4 KiB
Makefile
97 lines
3.4 KiB
Makefile
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# Makefile for Plato - The Stanford Encyclopedia of Philosophy, in ePub
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# Use this to build a new version of the ePub document from remote sources.
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# Document generation options.
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NAME := Stanford Encyclopedia of Philosophy
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BASE_URL := https://plato.stanford.edu
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# Build-time dependencies.
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AWK = $(call find-cmd,awk)
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GREP = $(call find-cmd,grep)
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PANDOC = $(call find-cmd,pandoc) $(if $(VERBOSE),--verbose)
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WGET = $(call find-cmd,wget) $(if $(VERBOSE),,--quiet)
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KEPUBIFY = $(call find-cmd,kepubify) $(if $(VERBOSE),--verbose)
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# Directory aliases.
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ROOTDIR := $(dir $(realpath $(firstword $(MAKEFILE_LIST))))
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BUILDDIR := $(ROOTDIR)build/
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TMPDIR := $(ROOTDIR)tmp/
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# Default Makefile options.
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VERBOSE :=
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ENABLE_KOBO :=
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## Build ePub documents via Pandoc.
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build: $(addprefix $(BUILDDIR),$(addsuffix $(if $(ENABLE_KOBO),.kepub).epub,$(basename $(notdir $(wildcard $(TMPDIR)entries/*.md)))))
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## Remove all temporary files.
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clean:
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$Q rm --recursive --force $(if $(VERBOSE),--verbose) $(TMPDIR)
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## Remove all temporary and build files.
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purge:
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$Q rm --recursive --force $(if $(VERBOSE),--verbose) $(BUILDDIR) $(TMPDIR)
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$(BUILDDIR)%.kepub.epub: $(BUILDDIR)%.epub
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$Q $(KEPUBIFY) --inplace --smarten-punctuation --output $@ $<
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$(BUILDDIR)%.epub: $(TMPDIR)entries/%.md
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$Q install -d $(@D)
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$Q cd $(TMPDIR)entries/$* && $(PANDOC) --from markdown --to epub --mathml $< > $@
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$(TMPDIR)entries/%.md: $(TMPDIR)entries/%/index.html
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$Q install -d $(@D)
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$Q $(AWK) "$$EXTRACT_ARTICLE_META" $< > $@
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$Q $(PANDOC) --from html+tex_math_single_backslash+tex_math_double_backslash --to markdown $< | $(AWK) "$$EXTRACT_ARTICLE" >> $@
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$(TMPDIR)%.html:
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$Q install -d $(@D)
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$Q $(WGET) --no-clobber --page-requisites --accept html,png,jpg,jpeg,gif,svg --no-directories --directory-prefix $(@D) $(BASE_URL)/$*.html
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$(TMPDIR)table-of-contents.md: $(TMPDIR)contents.html
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$Q install -d $(@D)
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$Q $(PANDOC) --from html --to markdown $< | $(AWK) "$$EXTRACT_TOC" > $@
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.PHONY: build clean purge
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$(TMPDIR)make.depend: $(TMPDIR)table-of-contents.md
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@printf "build: $<" > $@
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@for i in `$(GREP) -Po '\[.+?\]\(\Kentries/[^/]+' $<`; do printf " $(TMPDIR)$${i}.md"; done >> $@
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# Conditional command echo control.
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Q := $(if $(VERBOSE),,@)
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# Find and return full path to command by name, or throw error if none can be found in PATH.
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# Example use: $(call find-cmd,ls)
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find-cmd = $(or $(firstword $(wildcard $(addsuffix /$(1),$(subst :, ,$(PATH))))),$(error "Command '$(1)' not found in PATH"))
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# Awk script for extracting bare table-of-contents body from Markdown source.
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define EXTRACT_TOC
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$$0 ~ "::: {#toc-wrapper}" {s=1; next}
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$$0 ~ "Projected Table of Contents" {s=0}
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$$1 != ":::" && s == 1 {print}
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endef
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export EXTRACT_TOC
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# Awk script for extracting article metadata from HTML source.
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define EXTRACT_ARTICLE_META
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BEGIN {FS="\""; print "---"}
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$$2 == "citation_title" {printf "title: \"%s\"\n", $$4; next}
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$$2 == "citation_author" {if (c==0) {print "creator:"; c=1}; printf "- role: author\n text: \"%s\"\n", $$4; next}
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END {print "publisher: \"$(NAME)\""; print "belongs-to-collection: \"$(NAME)\""; print "---"}
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endef
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export EXTRACT_ARTICLE_META
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# Awk script for extracting bare aricle body from Markdown source.
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define EXTRACT_ARTICLE
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$$0 ~ "::: {#article-content}" {s=1; next}
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$$0 ~ "::: {#toc}" {s=0; next}
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$$0 ~ "::: {#main-text}" {s=1; next}
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$$0 ~ "::: {#academic-tools}" {s=0; next}
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$$1 != ":::" && s == 1 {print}
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endef
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export EXTRACT_ARTICLE
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# Dependency includes.
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include $(TMPDIR)make.depend
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