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Added skip unknown arguments mode #38

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Added skip unknown arguments mode #38

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15 changes: 12 additions & 3 deletions src/main/kotlin/com/xenomachina/argparser/ArgParser.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -37,7 +37,8 @@ import kotlin.reflect.KProperty
*/
class ArgParser(args: Array<out String>,
mode: Mode = Mode.GNU,
helpFormatter: HelpFormatter? = DefaultHelpFormatter()) {
helpFormatter: HelpFormatter? = DefaultHelpFormatter(),
val skipUnknown: Boolean = false) {

enum class Mode {
/** For GNU-style option parsing, where options may appear after positional arguments. */
Expand Down Expand Up @@ -543,7 +544,11 @@ class ArgParser(args: Array<out String>,
}
val delegate = longOptionDelegates.get(name)
if (delegate == null) {
throw UnrecognizedOptionException(name)
if (!skipUnknown) {
throw UnrecognizedOptionException(name)
} else {
return 2 // @todo rewrite to correct count detection
}
} else {
var consumedArgs = delegate.parseOption(name, firstArg, index + 1, args)
if (firstArg != null) {
Expand All @@ -569,7 +574,11 @@ class ArgParser(args: Array<out String>,

val delegate = shortOptionDelegates.get(optKey)
if (delegate == null) {
throw UnrecognizedOptionException(optName)
if (!skipUnknown) {
throw UnrecognizedOptionException(optName)
} else {
return 2 // @todo rewrite to correct count detection
}
} else {
val firstArg = if (optIndex >= opts.length) null else opts.substring(optIndex)
val consumed = delegate.parseOption(optName, firstArg, index + 1, args)
Expand Down