67 lines
932 B
Bash
67 lines
932 B
Bash
get_cmd() {
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if (( $# )); then
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IFS= read -ep "$(build_prompt)" "$1"
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fi
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}
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parse_cmd() {
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local cmd=( ) arg
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declare -n cmd_sent=$1
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declare -n serialized=$2
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route_cmd "$3"
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serialized=*${#cmd[@]}$'\r\n'
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for arg in "${cmd[@]}"; do
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serialized+=$arg
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done
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}
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route_cmd() {
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case $1 in
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[[:space:]]*)
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parse_ws "$1"
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;;
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"")
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return 0
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;;
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*)
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parse_word "$1"
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esac
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}
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parse_ws() {
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local line=$1
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while (( ${#line} )) && [[ $line = [[:space:]]* ]]; do
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line=${line:1}
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done
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route_cmd "$line"
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}
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parse_word() {
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local arg line=$1
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while (( ${#line} )); do
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local next=${line:0:1}
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if [[ $next != [[:space:]] ]]; then
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arg+=$next
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line=${line:1}
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else
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break
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fi
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done
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if ! (( ${#cmd[@]} )); then
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cmd_sent=${arg^^}
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cmd+=( "\$${#arg}"$'\r\n'"$cmd_sent"$'\r\n' )
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else
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cmd+=( "\$${#arg}"$'\r\n'"$arg"$'\r\n' )
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fi
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route_cmd "$line"
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}
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