0a49353a46
The script will combine decompressor sources into a single file. The example shows this in use.
81 lines
1.7 KiB
Bash
Executable File
81 lines
1.7 KiB
Bash
Executable File
#!/bin/bash
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# Tool to bundle multiple C/C++ source files, inlining any includes.
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# Common file roots
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ROOTS="./"
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# Files previously visited
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FOUND=""
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# Prints the script usage then exits
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function usage {
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echo "Usage: $0 [-r <paths>] infile"
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echo " -r file root search paths"
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echo "Example: $0 -r \"../my/path ../my/other\" in.c > out.c"
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exit 1
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}
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# Tests if list $1 has item $2
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function list_has_item {
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local list="$1"
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local item="$2"
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if [[ $list =~ (^|[[:space:]]*)"$item"($|[[:space:]]*) ]]; then
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return 0
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fi
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return 1
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}
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# Adds the contents of $1 with any of its includes inlined
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function add_file {
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# Match the path
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local file=
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for root in $ROOTS; do
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if test -f "$root/$1"; then
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file="$root/$1"
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fi
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done
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if [ "$file" != "" ]; then
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# Read the file
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local line
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while IFS= read -r line; do
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if [[ $line =~ ^[[:space:]]*\#[[:space:]]*include[[:space:]]*\"(.*)\".* ]]; then
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# We have an include directive
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local inc=${BASH_REMATCH[1]}
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if ! `list_has_item "$FOUND" "$inc"`; then
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# And we've not previously encountered it
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FOUND="$FOUND $inc"
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echo "/**** start inlining $inc ****/"
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add_file $inc
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echo "/**** ended inlining $inc ****/"
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else
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echo "/**** skipping file: $inc ****/"
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fi
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else
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# Otherwise write the source line
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echo "$line"
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fi
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done < "$file"
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else
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echo "#error Unable to find \"$1\""
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fi
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}
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while getopts ":r:" opts; do
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case $opts in
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r)
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ROOTS="$ROOTS $OPTARG"
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;;
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*)
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usage
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;;
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esac
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done
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shift $((OPTIND-1))
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if [ "$1" != "" ]; then
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add_file $1
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else
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usage
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fi
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