71 lines
2.4 KiB
Kotlin
71 lines
2.4 KiB
Kotlin
/* Copyright 2022 Tusky Contributors
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*
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* This file is a part of Tusky.
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*
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* This program is free software; you can redistribute it and/or modify it under the terms of the
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* GNU General Public License as published by the Free Software Foundation; either version 3 of the
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* License, or (at your option) any later version.
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*
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* Tusky is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
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* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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* 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 along with Tusky; if not,
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* see <http://www.gnu.org/licenses>. */
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@file:JvmName("StatusParsingHelper")
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package com.keylesspalace.tusky.util
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import android.text.SpannableStringBuilder
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import android.text.Spanned
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import androidx.core.text.parseAsHtml
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import org.jsoup.Jsoup.parse
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/**
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* parse a String containing html from the Mastodon api to Spanned
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*/
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fun String.parseAsMastodonHtml(): Spanned {
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return this.replace("<br> ", "<br> ")
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.replace("<br /> ", "<br /> ")
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.replace("<br/> ", "<br/> ")
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.replace(" ", " ")
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.let { parse(it) }
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.apply {
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select(".quote-inline").forEach { it.remove() }
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}
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.html()
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.parseAsHtml()
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/* Html.fromHtml returns trailing whitespace if the html ends in a </p> tag, which
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* most status contents do, so it should be trimmed. */
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.trimTrailingWhitespace()
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}
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fun replaceCrashingCharacters(content: Spanned): Spanned {
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return replaceCrashingCharacters(content as CharSequence) as Spanned
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}
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fun replaceCrashingCharacters(content: CharSequence): CharSequence? {
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var replacing = false
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var builder: SpannableStringBuilder? = null
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val length = content.length
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for (index in 0 until length) {
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val character = content[index]
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// If there are more than one or two, switch to a map
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if (character == SOFT_HYPHEN) {
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if (!replacing) {
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replacing = true
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builder = SpannableStringBuilder(content, 0, index)
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}
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builder!!.append(ASCII_HYPHEN)
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} else if (replacing) {
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builder!!.append(character)
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}
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}
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return if (replacing) builder else content
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}
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private const val SOFT_HYPHEN = '\u00ad'
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private const val ASCII_HYPHEN = '-'
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