public fun formData()

in ktor-client/ktor-client-core/common/src/io/ktor/client/request/forms/formDsl.kt [25:59]

32 lines of code
2 McCabe index (conditional complexity)


public fun formData(vararg values: FormPart<*>): List<PartData> {
    val result = mutableListOf<PartData>()

    values.forEach { (key, value, headers) ->
        val partHeaders = HeadersBuilder().apply {
            append(HttpHeaders.ContentDisposition, "form-data; name=$key")
            appendAll(headers)
        }
        val part = when (value) {
            is String -> PartData.FormItem(value, {}, partHeaders.build())
            is Number -> PartData.FormItem(value.toString(), {}, partHeaders.build())
            is ByteArray -> {
                partHeaders.append(HttpHeaders.ContentLength, value.size.toString())
                PartData.BinaryItem({ ByteReadPacket(value) }, {}, partHeaders.build())
            }
            is ByteReadPacket -> {
                partHeaders.append(HttpHeaders.ContentLength, value.remaining.toString())
                PartData.BinaryItem({ value.copy() }, { value.close() }, partHeaders.build())
            }
            is InputProvider -> {
                val size = value.size
                if (size != null) {
                    partHeaders.append(HttpHeaders.ContentLength, size.toString())
                }
                PartData.BinaryItem(value.block, {}, partHeaders.build())
            }
            is Input -> error("Can't use [Input] as part of form: $value. Consider using [InputProvider] instead.")
            else -> error("Unknown form content type: $value")
        }

        result += part
    }

    return result
}