Refactor json utilities
parent
166c5be5d6
commit
08fe54c36d
GPG Key ID:
676DEE768C17A9D7
@ -0,0 +1,25 @@
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package org.koitharu.kotatsu.parsers.util.json
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import org.json.JSONArray
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internal class JSONArrayTypedIterator<T : Any>(
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private val array: JSONArray,
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private val typeClass: Class<T>,
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startIndex: Int,
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) : ListIterator<T> {
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private val total = array.length()
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private var index = startIndex
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override fun hasNext() = index < total
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override fun next(): T = typeClass.cast(array[index++])
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override fun hasPrevious(): Boolean = index > 0
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override fun nextIndex(): Int = index + 1
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override fun previous(): T = typeClass.cast(array[index--])
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override fun previousIndex(): Int = index - 1
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}
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package org.koitharu.kotatsu.parsers.util.json
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import org.json.JSONArray
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internal class JSONArrayTypedListWrapper<T : Any>(
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private val jsonArray: JSONArray,
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private val typeClass: Class<T>,
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) : List<T> {
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override fun contains(element: T): Boolean = indexOf(element) != -1
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override fun containsAll(elements: Collection<T>): Boolean = elements.all { contains(it) }
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override fun get(index: Int): T = typeClass.cast(jsonArray[index])
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override fun indexOf(element: T): Int {
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repeat(jsonArray.length()) { i ->
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if (jsonArray[i] == element) {
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return i
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}
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}
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return -1
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}
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override fun isEmpty(): Boolean = jsonArray.length() == 0
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override fun iterator(): Iterator<T> = listIterator(0)
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override fun lastIndexOf(element: T): Int {
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val total = jsonArray.length()
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repeat(total) { i ->
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if (jsonArray[total - i - 1] == element) {
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return i
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}
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}
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return -1
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}
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override fun listIterator(): ListIterator<T> = listIterator(0)
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override fun listIterator(index: Int): ListIterator<T> = JSONArrayTypedIterator(jsonArray, typeClass, index)
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override fun subList(fromIndex: Int, toIndex: Int): List<T> {
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val result = ArrayList<T>(toIndex - fromIndex + 1)
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for (i in fromIndex..toIndex) {
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result.add(get(i))
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}
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return result
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}
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override val size: Int
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get() = jsonArray.length()
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}
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@ -1,14 +0,0 @@
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package org.koitharu.kotatsu.parsers.util.json
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import org.json.JSONArray
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import org.json.JSONObject
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class JSONIterator(private val array: JSONArray) : Iterator<JSONObject> {
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private val total = array.length()
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private var index = 0
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override fun hasNext() = index < total
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override fun next(): JSONObject = array.getJSONObject(index++)
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}
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@ -0,0 +1,24 @@
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package org.koitharu.kotatsu.parsers.util.json
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import org.json.JSONObject
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internal class JSONObjectTypedIterableWrapper<T : Any>(
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private val json: JSONObject,
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private val typeClass: Class<T>,
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) : Iterable<Map.Entry<String, T>> {
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override fun iterator(): Iterator<Map.Entry<String, T>> = IteratorImpl()
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private inner class IteratorImpl : Iterator<Map.Entry<String, T>> {
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private val keyIterator = json.keys().iterator()
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override fun hasNext(): Boolean = keyIterator.hasNext()
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override fun next(): Map.Entry<String, T> = keyIterator.next().let { key ->
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JSONEntry(key, typeClass.cast(json.get(key)))
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}
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}
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private class JSONEntry<T : Any>(override val key: String, override val value: T) : Map.Entry<String, T>
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}
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package org.koitharu.kotatsu.parsers.util.json
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import org.json.JSONArray
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class JSONStringIterator(private val array: JSONArray) : Iterator<String> {
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private val total = array.length()
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private var index = 0
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override fun hasNext() = index < total
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override fun next(): String = array.getString(index++)
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}
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@ -1,18 +0,0 @@
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package org.koitharu.kotatsu.parsers.util.json
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import org.json.JSONArray
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class JSONTypedIterator<T>(
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private val array: JSONArray,
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private val cls: Class<T>,
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) : Iterator<T> {
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private val total = array.length()
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private var index = 0
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override fun hasNext() = index < total
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override fun next(): T {
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return cls.cast(array.get(index++))
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}
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}
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@ -1,17 +0,0 @@
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package org.koitharu.kotatsu.parsers.util.json
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import org.json.JSONObject
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class JSONValuesIterator(
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private val jo: JSONObject,
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) : Iterator<Any> {
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private val keyIterator = jo.keys()
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override fun hasNext(): Boolean = keyIterator.hasNext()
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override fun next(): Any {
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val key = keyIterator.next()
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return jo.get(key)
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}
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}
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