49 lines
1.7 KiB
Bash
Executable file
49 lines
1.7 KiB
Bash
Executable file
#!/bin/sh
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# Compiler script for groff
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#
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# TODO:
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# Make groff auto-calculate image height (spacing below)
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# based on given width and the image's aspect ratio
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#
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# [-k (preconv)] Convert encoding to something groff understands
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# [-e (eqn)] Format equations for troff or MathML
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# [-t (tbl)] Format tables for troff
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# [-p (pic)] Compile pictures for troff or TeX
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# [-G (grap)] Typesetting graphs, usually not installed by default and not available on termux repo
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# [-j (chem)] Chemical structure diagrams, messes with spacing, crashes when using text inside eqn
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# Configuration
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BIB="$HOME/Documents/bibliography" # Bibliography file
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MAC="$HOME/.config/groff/" # Macros dir
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PRE="-ketpG" # Preprocessors
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# Takes a line with .IMG command, converts given image
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# to pdf format and inserts properly formatted .PDFPIC
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auto_pdfpic() {
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LINE="$1"
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IMAGE="$(echo "$LINE" | cut -d '"' -f 2)"
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[ "$IMAGE" != "${IMAGE%%.*}.pdf" ] && ! [ -e "${IMAGE%%.*}.pdf" ] &&
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convert -quiet "$IMAGE" "${IMAGE%%.*}.pdf"
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echo "$LINE" | sed 's|^.IMG|.PDFPIC|' | sed "s|$IMAGE|${IMAGE%%.*}.pdf|"
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}
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# If there is any .IMG command, replace with
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# auto_pdfpic output in a temp file.
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FILE="$1"
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if [ "$(grep '^.IMG\s' "$FILE")" ] ; then
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TEMP="${FILE%%.*}.tmp"
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echo $TEMP
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cp "$FILE" "$TEMP"
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while true ; do
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LINE="$(grep -m 1 '^.IMG\s' "$TEMP")"
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[ -n "$LINE" ] &&
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NEW_LINE="$(auto_pdfpic "$LINE")" &&
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sed -i "s@$LINE@$NEW_LINE@g" "$TEMP" ||
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break
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done
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FILE="$TEMP"
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fi
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# Enable custom macros | Bibliography | Generate PDF using preprocessors
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soelim -I "$MAC" "$FILE" | refer -p "$BIB" | groff -mspdf -T pdf -U "$PRE"
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rm -f "$TEMP"
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