72 lines
3.5 KiB
Go
72 lines
3.5 KiB
Go
package parsers
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import "regexp"
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// String constants
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const (
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StartIndicatorPrefix = "ZCZC"
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EndHeaderMarker = "."
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BeginPartMarker = "BEGIN PART"
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Category = "category"
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CategoryArrival = "ARR"
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CategoryDeparture = "DEP"
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CategoryCancellation = "CNL"
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CategoryDelay = "DLA"
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CategoryFlightPlan = "FPL"
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CANCELLED = "CNL"
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AirportCode = "airport"
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Date = "date"
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Task = "task"
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Index = "idx"
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FlightNumber = "number"
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Register = "reg"
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)
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// Regular expression patterns
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const (
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AllDigitsPattern = `^(?P<dep_time>\d+)$`
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IndexPattern = `^(?P<idx>\(?L?[0-9]+\)?:?\.?)$`
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DatePattern = `^(?P<date>\d{2}\w{3})$`
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TaskPattern = `(?P<task>[A-Z]\/[A-Z])$`
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WaypointPattern = `^(SI:)?(?P<arr_time>\d{4}(\(\d{2}[A-Z]{3}\))?)?\/?(?P<airport>[A-Z]{3})\/?(?P<dep_time>\d{4}(\(\d{2}[A-Z]{3}\))?)?$`
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FlightNumberPattern = `^(?P<number>[0-9A-Z][0-9A-Z]\d{3,5}(\/\d+)*)$`
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RegisterPattern = `^(?P<reg>B\d{4})$`
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ArrPatternString = `^\((?P<category>[A-Z]{3})-(?P<number>[A-Z0-9]+)(\/?(?P<ssr>[A-Z0-9]+))?-(?P<dep>[A-Z]{4})-(?P<arr>[A-Z]{4})(?P<arr_time>\d{4})\)$`
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DepPatternString = `^\((?P<category>[A-Z]{3})-(?P<number>[A-Z0-9]+)(\/(?P<ssr>[A-Z0-9]+))?-(?P<dep>[A-Z]{4})(?P<dep_time>\d{4})-(?P<arr>[A-Z]{4})\)$`
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FplPatternString = `\((?P<category>[A-Z]{3})-(?P<number>[A-Z]+\d+)-(?P<indicator>[A-Z]{2})\n-(?P<aircraft>[A-Z]+\d+\/?[A-Z]?)\n?-(?P<surve>.*)\n?-(?P<dep>[A-Z]{4})(?P<dep_time>\d{4})\n?-(?P<speed>[A-Z]+\d+)(?P<level>[A-Z0-9]+)\s+(?P<route>(.|\n)+)\n-(?P<dest>[A-Z]{4})(?P<estt>\d{4})\s?(?P<alter>(\s[A-Z]{4})+)\n?-([A-Z]{3}\/(?:[A-Z]{4}\d{4}\s?)+)?(?P<other>(?m)[A-Z]{3}\/(.|\n)*)\)$`
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CnlPatternString = `^\((?P<category>[A-Z]{3})-(?P<number>\w+\d+)-?(?P<dep>[A-Z]{4})?-?(?<arr>[A-Z]{4})\)$`
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DlaPatternString = `^\((?P<category>[A-Z]{3})-(?P<number>\w+\d+)-?(?P<dep>[A-Z]{4})(?P<dep_time>\d{4})?-?(?<arr>[A-Z]{4})(?<arr_time>\d{4})?\)$`
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)
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// Compiled regular expressions
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var (
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AllDigitsExpression = regexp.MustCompile(AllDigitsPattern)
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IndexExpression = regexp.MustCompile(IndexPattern)
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TaskExpression = regexp.MustCompile(TaskPattern)
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DateExpression = regexp.MustCompile(DatePattern)
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WaypointExpression = regexp.MustCompile(WaypointPattern)
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FlightNumberExpression = regexp.MustCompile(FlightNumberPattern)
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RegisterExpression = regexp.MustCompile(RegisterPattern)
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ArrPatternExpression = regexp.MustCompile(ArrPatternString)
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DepPatternExpression = regexp.MustCompile(DepPatternString)
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FplPatternExpression = regexp.MustCompile(FplPatternString)
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CnlPatternExpression = regexp.MustCompile(CnlPatternString)
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DlaPatternExpression = regexp.MustCompile(DlaPatternString)
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BodyTypePattern = regexp.MustCompile(`^\(([A-Z]{3})(.*\n?)+\)$`)
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categoryRegex = regexp.MustCompile(`\((?P<category>[A-Z]+)-`)
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emptyLineRemove = regexp.MustCompile(`(?m)^\s*$`)
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bodyOnly = regexp.MustCompile(`(.|\n)?(ZCZC(.|\n)*)NNNN(.|\n)?$`)
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originator = regexp.MustCompile(`(?P<originatorDateTime>[0-9]+)\s(?P<originator>[A-Z]+)`)
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navPattern = regexp.MustCompile(`(?m)NAV\/(?P<nav>.*)$`)
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remarkPattern = regexp.MustCompile(`(?s)RMK\/(?P<remark>.*)`)
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selPattern = regexp.MustCompile(`(?m)SEL\/(?P<sel>\w+)`)
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pbnPattern = regexp.MustCompile(`(?m)PBN\/(?P<pbn>[A-Z0-9]+)`)
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eetPattern = regexp.MustCompile(`(?s)(-?EET\/(?P<eet>(?:[A-Z]{4}\d{4}\s*)+))`)
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performancePattern = regexp.MustCompile(`(?s)-?PER\/(?P<per>\w)`)
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reroutePattern = regexp.MustCompile(`(?m)RIF\/(?P<rif>.*)[A-Z]{3}\/`)
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)
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