82 lines
2.2 KiB
Bash
82 lines
2.2 KiB
Bash
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#!/bin/sh
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#―――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――
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# Name: cpp_from_h.sh
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# Desc: A hackish script that will make Haiku-style CPP files from a header
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# file― in the case that you want to make the skeleton of a class'es
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# child.
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# Ended up not using it for the skeleton of ImageControlLook.cpp, but eh.
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# I've already written it, might as well commit. :P
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# Date: 2022-06
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#―――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――
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# If you have garbage in output, this is probably to blame.
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only_functions() {
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grep "$(printf '\t')" \
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| grep -v '^[*#/]' \
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| grep -v '^ ' \
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| tr '\t' ' ' \
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| tr -s ' '
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}
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collapse_functions() {
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local child="$1"
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local parent="$2"
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local OFS="$IFS"
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IFS="
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"
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local type=""
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local func=""
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local args=""
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while read line; do
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if echo "$line" | grep '(' > /dev/null; then
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printf '\n\n%s\n%s::%s(%s)\n' "$type" "$child" "$func" "$args" \
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| tr -s ' '
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printf '{\n\t'
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if echo "$type" | grep -v "void" > /dev/null; then
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printf 'return '
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fi
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printf '%s::%s(%s);\n}\n' "$parent" "$func" "$args"
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type="$(echo "$line" | sed 's%(.*%%' | awk '{$(NF--)=""; print}')"
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type="$(echo "$type" | sed 's%virtual %%')"
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func="$(echo "$line" | sed 's%(.*%%' | sed 's%.* %%')"
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args="$(echo "$line" | sed 's%.*(%%' | sed 's%);%%')"
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else
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args="$args $(echo "$line" | sed 's%);%%')"
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fi
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done
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IFS="$OFS"
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}
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fold_functions() {
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# We swap spaces and commas so that `fold` will wrap on commas
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sed 's%^ %%' \
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| sed 's% %»%g' \
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| sed 's%,% %g' \
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| fold -s --width=98 \
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| sed 's% %,%g' \
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| sed 's%»% %g' \
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| sed 's%^ %\t%' \
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| sed 's%\t %\t\t%' \
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| tr -s ' '
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}
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FILE="$1"
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CHILD="$2"
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PARENT="$3"
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if test -z "$PARENT" -o -z "$CHILD" -o -z "$FILE"; then
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echo "Usage: $(basename "$0") header_file child_classname parent_classname"
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exit 2
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fi
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cat "$FILE" \
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| only_functions \
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| collapse_functions "$CHILD" "$PARENT" \
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| fold_functions
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