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Automatic route short name -> ID for single letters.
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@mmathieum
mmathieum committed Oct 29, 2024
1 parent 73f1cda commit c867ec4
Showing 1 changed file with 75 additions and 66 deletions.
141 changes: 75 additions & 66 deletions src/main/java/org/mtransit/parser/mt/data/MRouteSNToIDConverter.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -125,6 +125,9 @@ object MRouteSNToIDConverter {
return notSupportedToRouteId?.invoke(rsn)
?: throw MTLog.Fatal("Unexpected route short name '$rsn' to convert to route ID!")
}
if (rsn.length == 1 && rsn[0].isLetter()) {
endsWithLetter(rsn)?.let { return it }
}
val matcher: Matcher = RSN.matcher(rsn)
if (!matcher.find()) {
return notSupportedToRouteId?.invoke(rsn)
Expand All @@ -138,77 +141,83 @@ object MRouteSNToIDConverter {
?: throw MTLog.Fatal("Unexpected route short name digits '$digits' in short name '$rsn' to convert to route ID!")
}
var routeId: Long = digits
routeId += when (nextChars) {
"" -> endsWith(Letters.NONE_)
"A" -> endsWith(Letters.A)
"B" -> endsWith(Letters.B)
"C" -> endsWith(Letters.C)
"D" -> endsWith(Letters.D)
"E" -> endsWith(Letters.E)
"F" -> endsWith(Letters.F)
"G" -> endsWith(Letters.G)
"H" -> endsWith(Letters.H)
"I" -> endsWith(Letters.I)
"J" -> endsWith(Letters.J)
"K" -> endsWith(Letters.K)
"L" -> endsWith(Letters.L)
"M" -> endsWith(Letters.M)
"N" -> endsWith(Letters.N)
"O" -> endsWith(Letters.O)
"P" -> endsWith(Letters.P)
"Q" -> endsWith(Letters.Q)
"R" -> endsWith(Letters.R)
"S" -> endsWith(Letters.S)
"T" -> endsWith(Letters.T)
"U" -> endsWith(Letters.U)
"V" -> endsWith(Letters.V)
"W" -> endsWith(Letters.W)
"X" -> endsWith(Letters.X)
"Y" -> endsWith(Letters.Y)
"Z" -> endsWith(Letters.Z)
else -> {
nextCharsToLong?.invoke(nextChars)
?: notSupportedToRouteId?.invoke(rsn)
?: throw MTLog.Fatal("Unexpected next characters '$nextChars' in short name '$rsn'!")
}
routeId += endsWithLetter(nextChars) ?: run {
nextCharsToLong?.invoke(nextChars)
?: notSupportedToRouteId?.invoke(rsn)
?: throw MTLog.Fatal("Unexpected next characters '$nextChars' in short name '$rsn'!")
}
routeId += when (previousChars) {
"" -> startsWith(Letters.NONE_)
"A" -> startsWith(Letters.A)
"B" -> startsWith(Letters.B)
"C" -> startsWith(Letters.C)
"D" -> startsWith(Letters.D)
"E" -> startsWith(Letters.E)
"F" -> startsWith(Letters.F)
"G" -> startsWith(Letters.G)
"H" -> startsWith(Letters.H)
"I" -> startsWith(Letters.I)
"J" -> startsWith(Letters.J)
"K" -> startsWith(Letters.K)
"L" -> startsWith(Letters.L)
"M" -> startsWith(Letters.M)
"N" -> startsWith(Letters.N)
"O" -> startsWith(Letters.O)
"P" -> startsWith(Letters.P)
"Q" -> startsWith(Letters.Q)
"R" -> startsWith(Letters.R)
"S" -> startsWith(Letters.S)
"T" -> startsWith(Letters.T)
"U" -> startsWith(Letters.U)
"V" -> startsWith(Letters.V)
"W" -> startsWith(Letters.W)
"X" -> startsWith(Letters.X)
"Y" -> startsWith(Letters.Y)
"Z" -> startsWith(Letters.Z)
else -> {
previousCharsToLong?.invoke(previousChars)
?: notSupportedToRouteId?.invoke(rsn)
?: throw MTLog.Fatal("Unexpected previous characters '$previousChars' in short name '$rsn'!")
}
routeId += startsWithLetter(previousChars) ?: run {
previousCharsToLong?.invoke(previousChars)
?: notSupportedToRouteId?.invoke(rsn)
?: throw MTLog.Fatal("Unexpected previous characters '$previousChars' in short name '$rsn'!")
}
return routeId
}

@JvmStatic
fun startsWithLetter(previousChars: String): Long? = when (previousChars) {
"" -> startsWith(Letters.NONE_)
"A" -> startsWith(Letters.A)
"B" -> startsWith(Letters.B)
"C" -> startsWith(Letters.C)
"D" -> startsWith(Letters.D)
"E" -> startsWith(Letters.E)
"F" -> startsWith(Letters.F)
"G" -> startsWith(Letters.G)
"H" -> startsWith(Letters.H)
"I" -> startsWith(Letters.I)
"J" -> startsWith(Letters.J)
"K" -> startsWith(Letters.K)
"L" -> startsWith(Letters.L)
"M" -> startsWith(Letters.M)
"N" -> startsWith(Letters.N)
"O" -> startsWith(Letters.O)
"P" -> startsWith(Letters.P)
"Q" -> startsWith(Letters.Q)
"R" -> startsWith(Letters.R)
"S" -> startsWith(Letters.S)
"T" -> startsWith(Letters.T)
"U" -> startsWith(Letters.U)
"V" -> startsWith(Letters.V)
"W" -> startsWith(Letters.W)
"X" -> startsWith(Letters.X)
"Y" -> startsWith(Letters.Y)
"Z" -> startsWith(Letters.Z)
else -> null
}

@JvmStatic
fun endsWithLetter(nextChars: String) = when (nextChars) {
"" -> endsWith(Letters.NONE_)
"A" -> endsWith(Letters.A)
"B" -> endsWith(Letters.B)
"C" -> endsWith(Letters.C)
"D" -> endsWith(Letters.D)
"E" -> endsWith(Letters.E)
"F" -> endsWith(Letters.F)
"G" -> endsWith(Letters.G)
"H" -> endsWith(Letters.H)
"I" -> endsWith(Letters.I)
"J" -> endsWith(Letters.J)
"K" -> endsWith(Letters.K)
"L" -> endsWith(Letters.L)
"M" -> endsWith(Letters.M)
"N" -> endsWith(Letters.N)
"O" -> endsWith(Letters.O)
"P" -> endsWith(Letters.P)
"Q" -> endsWith(Letters.Q)
"R" -> endsWith(Letters.R)
"S" -> endsWith(Letters.S)
"T" -> endsWith(Letters.T)
"U" -> endsWith(Letters.U)
"V" -> endsWith(Letters.V)
"W" -> endsWith(Letters.W)
"X" -> endsWith(Letters.X)
"Y" -> endsWith(Letters.Y)
"Z" -> endsWith(Letters.Z)
else -> null
}

@JvmStatic
fun startsWith(digit: Long): Long {
return digit * PREVIOUS
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