1 files changed, 54 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
+}