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package com.pitchedapps.frost.parsers
/**
* Created by Allan Wang on 2017-10-06.
*
* Interface for a given parser
* Use cases should be attached as delegates to objects that implement this interface
*/
interface FrostParser<T> {
fun parse(text: String?): T?
fun debug(text: String?): String
}
internal abstract class FrostParserBase<T> : FrostParser<T> {
override final fun parse(text: String?): T?
= if (text == null) null else parseImpl(text)
protected abstract fun parseImpl(text: String): T?
override final fun debug(text: String?): String {
val result = mutableListOf<String>()
result.add("Testing parser for ${this::class.java.simpleName}")
if (text == null) {
result.add("Input is null")
return result.joinToString("\n")
}
val output = parseImpl(text)
if (output == null) {
result.add("Output is null")
return result.joinToString("\n")
}
debugImpl(output, result)
return result.joinToString("\n")
}
protected abstract fun debugImpl(data: T, result: MutableList<String>)
}
object FrostRegex {
val epoch = Regex(":([0-9]+)")
val notifId = Regex("notif_id\":([0-9]+)")
val messageNotifId = Regex("thread_fbid_([0-9]+)")
val profilePicture = Regex("url\\(\"(.*?)\"\\)")
}
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