183 lines
4.4 KiB
Bash
Executable File
183 lines
4.4 KiB
Bash
Executable File
#!/bin/bash
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# Generate papers HTML page
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#
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# Copyright (C) 2019 Mike Gerwitz
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# Papers are (at least at present) written in LaTeX, whereas articles are
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# simply posts. Both are specified in $PAPERFILE. This page generates
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# abstracts for both formats, along with links to each of their output
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# formats (one or more of PDF, DVI, HTML).
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##
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set -euo pipefail
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# Refile containing paper references and metadata.
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declare -r PAPERFILE=${PAPERFILE:-src/papers.rec}
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# List ids of all papers in $PAPERFILE.
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paper-list()
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{
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recsel -CP id "$PAPERFILE"
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}
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# Retrieve field FIELD from paper ID in $PAPERFILE.
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paper-field()
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{
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local -r id=${1?Missing paper id}
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local -r field=${2?Missing paper field}
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recsel -P "$field" -e "id = '$id'" "$PAPERFILE"
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}
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# Read field FIELD from post metadata recfile FILE.
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post-field()
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{
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local -r ref=${1?Missing post name}
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local -r field=${2?Missing field name}
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recsel -P "$field" "post/$ref.meta"
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}
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# Generate abstract for article or paper ID. Delegates to one of
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# {post,latex}-abstract based on its type.
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abstract()
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{
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local -r id=${1?Missing paper id}
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local type ref
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type=$( paper-field "$id" type )
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ref=$( paper-field "$id" ref )
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case "$type" in
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post|latex)
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"$type-abstract" "$id" "$ref";;
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*)
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echo "Unknown paper type for id \`$id" >&2
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return 1
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esac
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}
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# Generate abstract for post REF.
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post-abstract()
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{
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local -r ref=${2?Missing post ref}
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local id title date abstract slug
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id=$( post-field "$ref" id )
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title=$( post-field "$ref" subject )
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date=$( post-field "$ref" date )
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abstract=$( post-field "$ref" abstract )
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slug=$( post-field "$ref" slug )
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cat <<EOF
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<article class="abstract paper">
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<h2 class="title" id="$id"><a href="/$slug">$title</a></h2>
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<ul class="links">
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<li class="title">Formats:</li>
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<li><a href="/$slug">View HTML</a></li>
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</ul>
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$abstract
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<p class="date">Posted on $date.</p>
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</article>
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EOF
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}
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# Extract title from LaTeX document. Note that this performs no actual
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# processing on that title, so this will need to be e.g. run through Pandoc
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# in the future if titles contain something that should be parsed (like
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# dashes).
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latex-title()
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{
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head -n1 | sed '1s/^% //;1a\\'
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}
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# Produce text of LaTeX abstract (from its abstract.tex).
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#
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# Two minor transformations are made: Footnotes are removed by exploiting
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# Pandoc's behavior of ignoring unknown/unsupported commands, since that
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# doesn't look very good in the abstract output. Emdashes have whitespace
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# on either side removed to translate to my modern convention (this can be
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# removed when old papers are updated).
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latex-abstract-text()
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{
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sed 's/\\footnote/\\void/;
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s/ \+--- \+/---/g' \
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| pandoc -flatex -thtml
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}
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# Generate abstract for LaTeX document (from abstract.tex) ID located at
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# path REF. REF is expected to contain `abstract.tex' and `REF.tex', along
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# with the built `REF.pdf'.
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latex-abstract()
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{
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local -r id=${1?Missing paper id}
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local -r ref=${2?Missing paper ref}
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local -r abstract_tex="$ref/abstract.tex"
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local -r main="$ref/${ref##*/}.tex"
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local -r sans=${main%/*.tex}
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local title abstract pubdate
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title=$( latex-title < "$main" )
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abstract=$( latex-abstract-text < "$abstract_tex" )
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pubdate=$( paper-field "$id" pubdate )
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cat <<EOF
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<article class="abstract paper">
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<h2 class="title" id="$id"><a href="/$sans.pdf">$title</a></h2>
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<ul class="links">
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<li class="title">Formats:</li>
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<li><a href="/$sans.pdf">View PDF</a></li>
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</ul>
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$abstract
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<p class="date">Published on $pubdate.</p>
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</article>
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EOF
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}
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# Generate papers page.
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main()
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{
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src/mkheader papers Papers
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local papers
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papers=$( recsel -P id src/papers.rec )
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echo '<h1>Papers / Articles</h1>'
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paper-list | while read id; do abstract "$id"; done
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cat src/footer.tpl.htm
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}
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main "$@"
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