diff options
| -rw-r--r-- | bos-args.sh | 54 | ||||
| -rw-r--r-- | t/args.t | 35 | ||||
| -rw-r--r-- | t/testlib.sh | 1 |
3 files changed, 90 insertions, 0 deletions
diff --git a/bos-args.sh b/bos-args.sh new file mode 100644 index 0000000..e0f0729 --- /dev/null +++ b/bos-args.sh @@ -0,0 +1,54 @@ +#!bash + +function bos-args/build-parser-code-into() { + local -n parser_result_var="$1"; shift + + local -A argvar argtype assignment + while [[ "${#@}" -gt 0 ]]; do + case "$1" in + -scalar|-array|-assoc) + argtype["$2"]="${1#-}"; + argvar["$2"]="$3"; + shift 3 + ;; + -assignment-*) + assignment["${1#-assignment-}"]="$2"; + shift 2 + ;; + *) + >&2 echo "bad argument <$1>"; + return 1 + ;; + esac + done + + parser_result_var="while [[ \"\${#@}\" -gt 0 ]]; do +case \"\$1\" in +" + + local argassign + for argname in "${!argvar[@]}"; do + argassign="${assignment["${argtype["$argname"]}"]}" + argassign="${argassign//\$\{name\}/${argvar["$argname"]}}" + + if [[ "${argtype["$argname"]}" == scalar || "${argtype["$argname"]}" == array ]]; then + argassign="${argassign//\$\{value/\$\{2}" + + parser_result_var+="-${argname}) $argassign; shift 2 ;; +" + elif [[ "${argtype["$argname"]}" == assoc ]]; then + argassign="${argassign//\$\{key/\$\{2}" + argassign="${argassign//\$\{value/\$\{3}" + + parser_result_var+="-${argname}) $argassign; shift 3 ;; +" + fi + done + + parser_result_var+="*) shift ;; +esac +done +" + + return 0 +} diff --git a/t/args.t b/t/args.t new file mode 100644 index 0000000..686adc6 --- /dev/null +++ b/t/args.t @@ -0,0 +1,35 @@ +#!/bin/bash + +. t/testlib.sh + +declare first_parser + +set +x + +bos-args/build-parser-code-into first_parser \ + -scalar one scalar_var \ + -array two array_var \ + -assoc three assoc_var \ + -assignment-scalar '${name}="${value}"' \ + -assignment-array '${name}+=( "${value}" )' \ + -assignment-assoc '${name}+=( ["${key}"]="${value}" )' + +should-succeed "should build parser" + +diag "$first_parser" + +declare -a array_var +declare -A assoc_var + +eval "function first-parser() { $first_parser }" +first-parser -two a -three x y -two b -one foo -three w z -unused + +is "$scalar_var" 'foo' 'scalar should be set' + +is "${array_var[0]}" 'a' 'array should get first value' +is "${array_var[1]}" 'b' 'array should get second value' + +is "${assoc_var[x]}" 'y' 'assoc should get first value' +is "${assoc_var[w]}" 'z' 'assoc should get second value' + +done-testing diff --git a/t/testlib.sh b/t/testlib.sh index edbd973..d506257 100644 --- a/t/testlib.sh +++ b/t/testlib.sh @@ -2,6 +2,7 @@ PS4='[${#FUNCNAME[*]}] ${BASH_SOURCE[0]}:${LINENO} (${FUNCNAME[0]}) +' +. bos-args.sh . bos-dispatch.sh . bos-namespaces.sh . bos-object-id.sh |