p-sim-ecu.doip-sim-ecu-dsl.0.9.5.source-code.ResponseExtensions.kt Maven / Gradle / Ivy

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This is a kotlin based domain specific language (dsl), to quickly and intuitively write custom DoIP ECU simulations.

There is a newer version: 0.15.1

enum class SequenceMode {
    STOP_AT_END,
    WRAP_AROUND
}

/**
 * Returns the given responses, advancing by one after each request, either wrapping around to the beginning,
 * or repeating the last one
 */
@Suppress("UNUSED_VALUE")
fun RequestResponseData.sequence(vararg responses: String,
    mode: SequenceMode = SequenceMode.STOP_AT_END,
    startIndex: Int = 0
) {
    var sequenceIndex by caller.storedProperty { startIndex }
    respond(responses[sequenceIndex])
    sequenceIndex += 1
    when (mode) {
        SequenceMode.STOP_AT_END -> if (sequenceIndex >= responses.size) sequenceIndex = responses.size - 1
        SequenceMode.WRAP_AROUND -> sequenceIndex %= responses.size
    }
}

/**
 * Returns the given responses, advancing by one after each request, starting at the beginning when the end is reached
 */
fun RequestResponseData.sequenceWrapAround(vararg responses: String) =
    sequence(*responses, mode = SequenceMode.WRAP_AROUND)

/**
 * Returns the given responses, advancing by one after each request, repeating the last one when the end is reached
 */
fun RequestResponseData.sequenceStopAtEnd(vararg responses: String) =
    sequence(*responses, mode = SequenceMode.STOP_AT_END)