58 lines
1.8 KiB
Kotlin
58 lines
1.8 KiB
Kotlin
/*
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* Twidere - Twitter client for Android
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*
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* Copyright (C) 2012-2017 Mariotaku Lee <mariotaku.lee@gmail.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.mariotaku.twidere.extension.atto
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import org.attoparser.dom.Document
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import org.attoparser.dom.Element
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/**
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* Created by mariotaku on 2017/4/29.
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*/
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fun Document.firstElementOrNull(match: (Element) -> Boolean): Element? {
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getChildrenOfType(Element::class.java).forEach { child ->
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val element = child.firstElementOrNull(match)
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if (element != null) return element
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}
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return null
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}
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fun Element.firstElementOrNull(match: (Element) -> Boolean): Element? {
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if (match(this)) return this
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getChildrenOfType(Element::class.java).forEach { child ->
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val element = child.firstElementOrNull(match)
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if (element != null) return element
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}
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return null
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}
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fun Element.filter(match: (Element) -> Boolean): List<Element> {
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return filterTo(ArrayList(), match)
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}
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fun <C : MutableCollection<Element>> Element.filterTo(to: C, match: (Element) -> Boolean): C {
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if (match(this)) {
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to.add(this)
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}
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getChildrenOfType(Element::class.java).forEach { child ->
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child.filterTo(to, match)
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}
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return to
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} |