refactor parser packages

2025-12-24 17:23:41 +08:00
parent dbde6524b3
commit b82b707a25
14 changed files with 227 additions and 176 deletions
@@ -0,0 +1,38 @@
+package schedule
+
+import "regexp"
+
+// String constants
+const (
+	AirportCode  = "airport"
+	Date         = "date"
+	Task         = "task"
+	Index        = "idx"
+	FlightNumber = "number"
+	Register     = "reg"
+	ArrivalTime  = "arr_time"
+	DepartureTime = "dep_time"
+)
+
+// Regular expression patterns
+const (
+	AllDigitsPattern    = `^(?P<dep_time>\d+)$`
+	IndexPattern        = `^(?P<idx>\(?L?[0-9]+\)?:?\.?)$`
+	DatePattern         = `^(?P<date>\d{2}\w{3})$`
+	TaskPattern         = `(?P<task>[A-Z]\/[A-Z])$`
+	WaypointPattern     = `^(SI:)?(?P<arr_time>\d{4}(\(\d{2}[A-Z]{3}\))?)?\/?(?P<airport>[A-Z]{3})\/?(?P<dep_time>\d{4}(\(\d{2}[A-Z]{3}\))?)?$`
+	FlightNumberPattern = `^(?P<number>[0-9A-Z][0-9A-Z]\d{3,5}(\/\d+)*)$`
+	RegisterPattern     = `^(?P<reg>B\d{4})$`
+)
+
+// Compiled regular expressions
+var (
+	AllDigitsExpression    = regexp.MustCompile(AllDigitsPattern)
+	IndexExpression        = regexp.MustCompile(IndexPattern)
+	TaskExpression         = regexp.MustCompile(TaskPattern)
+	DateExpression         = regexp.MustCompile(DatePattern)
+	WaypointExpression     = regexp.MustCompile(WaypointPattern)
+	FlightNumberExpression = regexp.MustCompile(FlightNumberPattern)
+	RegisterExpression     = regexp.MustCompile(RegisterPattern)
+	cancelledPattern       = regexp.MustCompile(`\bCNL\b`)
+)