constants/regex

sh/main.sh

@@ -163,26 +163,31 @@ rwx_find_shell() {
 # │ main │ parse │
 # ╰──────┴───────╯
 
+RWX_REGEX_CONSTANT="[_A-Z][_0-9A-Z]*"
+RWX_REGEX_FUNCTION="[_A-Za-z][_0-9A-Za-z]*"
+RWX_REGEX_SET="=.*"
+RWX_REGEX_SPACES="[[:space:]]*"
+
+RWX_REGEX_BEGIN="^${RWX_REGEX_SPACES}"
+RWX_REGEX_OPEN="\
+${RWX_REGEX_SPACES}(${RWX_REGEX_SPACES})${RWX_REGEX_SPACES}{.*"
+
 rwx_parse() {
-	local ws="[[:space:]]*"
-	local start="^${ws}"
-	local constant="[_A-Z][_0-9A-Z]*"
-	local setting="=.*"
-	local func="${ws}(${ws})${ws}{.*"
-	local id="[_a-zA-Z][_a-z0-9A-Z]*"
 	local line
+	# parse constants
 	RWX_CONSTANTS=""
 	printf "%s\n" "${RWX_CODE}" |
-		grep "${start}${constant}${setting}" |
+		grep "${RWX_REGEX_BEGIN}${RWX_REGEX_CONSTANT}${RWX_REGEX_SET}" |
-		sed "s|${start}\\(${constant}\\)${setting}|\\1|" |
+		sed "s|${RWX_REGEX_BEGIN}\\(${RWX_REGEX_CONSTANT}\\)${RWX_REGEX_SET}|\\1|" |
 		while IFS= read -r line; do
 		RWX_CONSTANTS="${RWX_CONSTANTS}${line}
 "
 	done
+	# parse functions
 	RWX_FUNCTIONS=""
 	printf "%s\n" "${RWX_CODE}" |
-		grep "${start}${id}${func}" |
+		grep "${RWX_REGEX_BEGIN}${RWX_REGEX_FUNCTION}${RWX_REGEX_OPEN}" |
-		sed "s|${start}\\(${id}\\)${func}|\\1|" |
+		sed "s|${RWX_REGEX_BEGIN}\\(${RWX_REGEX_FUNCTION}\\)${RWX_REGEX_OPEN}|\\1|" |
 		while IFS= read -r line; do
 		RWX_FUNCTIONS="${RWX_FUNCTIONS}${line}
 "