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// Copyright 2017 - 2020 HP Development Company, L.P.
// SPDX-License-Identifier: MIT
package com.hp.jipp.encoding
import com.hp.jipp.encoding.AttributeGroup.Companion.groupOf
/**
* An [AttributeGroup] which may be altered. Insertion order is preserved.
*
* Note:
* * the addition of any [Attribute] replaces any existing one with the same [AttributeType].
* * use [drop] or [minusAssign], not [remove].
*/
@Suppress("TooManyFunctions")
open class MutableAttributeGroup @JvmOverloads constructor(
/** Tag for this group. */
override var tag: DelimiterTag,
/** Initial attributes for this group, if any. */
attributes: List> = listOf()
) : AttributeGroup, AbstractList>() {
private val map: LinkedHashMap> = linkedMapOf()
init {
putAll(attributes)
}
override val size
get() = map.size
/** Allow a DSL-like syntax where the contents of this group can be mutated. */
operator fun invoke(mutator: MutableAttributeGroup.() -> Unit) = apply {
mutator()
}
/** Put [attribute] into this group */
operator fun plusAssign(attribute: Attribute<*>) = put(attribute)
/** Put [attributes] into this group */
operator fun plusAssign(attributes: Iterable>) = putAll(attributes)
/** Return the [Attribute] at [index]. */
override fun get(index: Int): Attribute<*> = map.values.elementAt(index)
/** Return the [Attribute] having a type of [name]. */
override operator fun get(name: String) =
map[name]
/** Return the [Attribute] having [type] if any. */
@Suppress("UNCHECKED_CAST") // We know type corresponds to T because that's all we allow in.
override fun get(type: AttributeType): Attribute? =
map[type.name]?.let { type.coerce(it) }
/** Assign an attribute from its native value type. */
operator fun set(type: AttributeType, value: T) {
map[type.name] = type.of(value)
}
/** Assign an attribute with multiple values from its native value type. */
operator fun set(type: AttributeSetType, values: Iterable) {
map[type.name] = type.of(values)
}
/** Assign an attribute from its native value type. */
fun put(type: AttributeType, value: T) {
map[type.name] = type.of(value)
}
/** Assign an attribute from one or more values. */
fun put(type: AttributeSetType, values: Iterable) {
map[type.name] = type.of(values)
}
/** Assign an attribute from one or more values. */
fun put(type: AttributeSetType, value: T, vararg values: T) {
map[type.name] = type.of(listOf(value) + values)
}
/** Put [attribute] into this group. */
fun put(attribute: Attribute) {
map[attribute.name] = attribute
}
/** Put [attributes] into this group. */
fun put(vararg attributes: Attribute<*>) {
for (attribute in attributes) {
map[attribute.name] = attribute
}
}
/** Add or replace an attribute having one value to the group. */
fun put(type: NameType, value: String) {
put(type.of(value))
}
/** Add or replace an attribute to the group having one or more values. */
fun put(type: NameType.Set, value: String, vararg values: String) {
put(type.of((listOf(value) + values.toList()).map { Name(it) }))
}
/** Add or replace an attribute having one value to the group. */
fun put(type: KeywordOrNameType, value: String) {
put(type.of(value))
}
/** Add or replace an attribute to the group having one or more values. */
fun put(type: KeywordOrNameType.Set, value: String, vararg values: String) {
put(type.of((listOf(value) + values.toList()).map { KeywordOrName(it) }))
}
/** Add or replace an attribute having one value to the group. */
fun put(textType: TextType, value: String) {
put(textType.of(value))
}
/** Add or replace an attribute to the group having one or more values. */
fun put(textType: TextType.Set, value: String, vararg values: String) {
put(textType.of((listOf(value) + values.toList()).map { Text(it) }))
}
/** Put [attributes] into this group. */
fun putAll(attributes: Iterable>) {
attributes.forEach {
map[it.name] = it
}
}
@Deprecated("use put()", ReplaceWith("put(attribute)"))
fun addAll(@Suppress("UNUSED_PARAMETER") index: Int, attributes: List>) {
putAll(attributes)
}
@Deprecated("use put()", ReplaceWith("put(attribute)"))
fun add(@Suppress("UNUSED_PARAMETER") index: Int, attribute: Attribute<*>) {
put(attribute)
}
/** Add attributes to this group. */
@Deprecated("use put()", ReplaceWith("put(attributeType.of(value, values...))"))
fun add(attribute: Attribute<*>) {
put(attribute)
}
/** Add attributes to this group. */
@Deprecated("use put()", ReplaceWith("put(attributeType.of(value, values...))"))
fun add(vararg attributes: Attribute<*>) {
putAll(attributes.toList())
}
/** Add attributes to this group. */
@Deprecated("use putAll()", ReplaceWith("putAll(attributes)"))
fun addAll(attributes: Iterable>) {
putAll(attributes)
}
/** Add a list of attributes to append or replace in the current context. */
@Deprecated("use putAll()", ReplaceWith("putAll(toAdd)"))
fun attr(toAdd: List>) {
putAll(toAdd)
}
/** Add one or more attributes to be appended or replaced in the current context. */
@Deprecated("use put()", ReplaceWith("put(attribute)"))
fun attr(vararg attribute: Attribute<*>) {
putAll(attribute.toList())
}
/** Add or replace an attribute having one value to the group. */
@Deprecated("use put()", ReplaceWith("put(attributeType, value)"))
fun attr(attributeType: AttributeType, value: T) {
put(attributeType.of(value))
}
/** Add or replace an attribute having one or more values to the group. */
@Deprecated("use put()", ReplaceWith("put(attributeType, value, values)"))
fun attr(attributeType: AttributeSetType, value: T, vararg values: T) {
put(attributeType.of(listOf(value) + values.toList()))
}
/** Add or replace an attribute having one value to the group. */
@Deprecated("use put()", ReplaceWith("put(attributeType, value)"))
fun attr(nameType: NameType, value: String) {
put(nameType.of(value))
}
/** Add or replace an attribute to the group having one or more values. */
@Deprecated("use put()", ReplaceWith("put(attributeType, value, values)"))
fun attr(nameType: NameType.Set, value: String, vararg values: String) {
put(nameType.of((listOf(value) + values.toList()).map { Name(it) }))
}
/** Add or replace an attribute having one value to the group. */
@Deprecated("use put()", ReplaceWith("put(attributeType, value)"))
fun attr(textType: TextType, value: String) {
put(textType.of(value))
}
/** Add or replace an attribute to the group having one or more values. */
@Deprecated("use put()", ReplaceWith("put(attributeType, value, values)"))
fun attr(textType: TextType.Set, value: String, vararg values: String) {
put(textType.of((listOf(value) + values.toList()).map { Text(it) }))
}
/** Remove an attribute of the specified [type], returning the removed attribute, if any. */
@Suppress("UNCHECKED_CAST") // We know type corresponds to T because that's all we allow in.
fun drop(type: AttributeType): Attribute? =
map.remove(type.name) as Attribute?
/** Remove [attribute], returning true if it was removed. */
@Suppress("UNCHECKED_CAST") // We know type corresponds to T because that's all we allow in.
fun drop(attribute: Attribute<*>): Boolean =
map.remove(attribute.name) != null
operator fun minusAssign(type: AttributeType) {
map.remove(type.name)
}
operator fun minusAssign(attribute: Attribute<*>) {
map.remove(attribute.name)
}
/** Return a copy of this object as a non-mutable [AttributeGroup]. */
fun toGroup(): AttributeGroup = groupOf(tag, toList())
override fun equals(other: Any?) =
when {
other === this -> true
other is AttributeGroup -> other.tag == tag && map.values.stringinate() == other.stringinate()
other is List<*> -> map.values.stringinate() == other.stringinate()
else -> false
}
override fun hashCode(): Int {
// Note: tag is not included because we might need to hash this with other List objects
return map.values.stringinate().hashCode()
}
override fun toString(): String {
return "MutableAttributeGroup($tag, ${map.values})"
}
}
