2018-01-04 19:52:25 +01:00
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package jp.juggler.subwaytooter.util
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import android.content.Context
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2019-06-03 22:50:18 +02:00
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import android.content.SharedPreferences
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2018-01-04 19:52:25 +01:00
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import android.text.SpannableStringBuilder
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import android.text.Spanned
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2018-01-18 19:09:36 +01:00
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import android.util.SparseBooleanArray
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2019-09-14 22:09:52 +02:00
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import androidx.annotation.DrawableRes
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import jp.juggler.emoji.EmojiMap
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2018-01-04 19:52:25 +01:00
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import jp.juggler.subwaytooter.App1
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2018-01-18 19:09:36 +01:00
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import jp.juggler.subwaytooter.Pref
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2018-01-20 17:59:38 +01:00
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import jp.juggler.subwaytooter.R
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2018-03-10 17:22:13 +01:00
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import jp.juggler.subwaytooter.api.entity.CustomEmoji
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2020-09-29 19:44:56 +02:00
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import jp.juggler.subwaytooter.pref
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2018-01-04 19:52:25 +01:00
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import jp.juggler.subwaytooter.span.EmojiImageSpan
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import jp.juggler.subwaytooter.span.HighlightSpan
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import jp.juggler.subwaytooter.span.NetworkEmojiSpan
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2019-09-14 22:09:52 +02:00
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import jp.juggler.subwaytooter.span.createSpan
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2018-01-04 19:52:25 +01:00
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import jp.juggler.subwaytooter.table.HighlightWord
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2020-06-27 17:07:08 +02:00
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import jp.juggler.util.LogCategory
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2020-02-04 03:04:07 +01:00
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import jp.juggler.util.asciiPattern
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2018-12-01 00:02:18 +01:00
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import jp.juggler.util.codePointBefore
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import java.util.*
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2018-01-20 17:59:38 +01:00
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import java.util.regex.Pattern
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2021-02-19 02:18:58 +01:00
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import kotlin.math.min
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2018-01-04 19:52:25 +01:00
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object EmojiDecoder {
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2021-02-20 00:40:02 +01:00
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private val log = LogCategory("EmojiDecoder")
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private const val cpColon = ':'.toInt()
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private const val cpZwsp = '\u200B'.toInt()
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2021-02-20 12:22:22 +01:00
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var handleUnicodeEmoji = true
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2021-02-20 00:40:02 +01:00
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fun customEmojiSeparator(pref: SharedPreferences) = if (Pref.bpCustomEmojiSeparatorZwsp(pref)) {
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'\u200B'
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} else {
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' '
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}
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// タンス側が落ち着いたら [^[:almun:]_] から [:space:]に切り替える
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// private fun isHeadOrAfterWhitespace( s:CharSequence,index:Int):Boolean {
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// val cp = s.codePointBefore(index)
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// return cp == -1 || CharacterGroup.isWhitespace(cp)
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// }
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fun canStartShortCode(s: CharSequence, index: Int): Boolean {
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return when (val cp = s.codePointBefore(index)) {
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-1 -> true
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2018-03-22 14:49:22 +01:00
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cpColon -> false
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2019-06-03 22:50:18 +02:00
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cpZwsp -> true
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2021-02-20 00:40:02 +01:00
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// rubyの (Letter | Mark | Decimal_Number) はNG
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// ftp://unicode.org/Public/5.1.0/ucd/UCD.html#General_Category_Values
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else -> when (Character.getType(cp).toByte()) {
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// Letter
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// LCはエイリアスなので文字から得られることはないはず
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2018-03-22 14:49:22 +01:00
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Character.UPPERCASE_LETTER,
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Character.LOWERCASE_LETTER,
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Character.TITLECASE_LETTER,
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Character.MODIFIER_LETTER,
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Character.OTHER_LETTER -> false
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2021-02-20 00:40:02 +01:00
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// Mark
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2018-03-22 14:49:22 +01:00
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Character.NON_SPACING_MARK,
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Character.COMBINING_SPACING_MARK,
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Character.ENCLOSING_MARK -> false
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2021-02-20 00:40:02 +01:00
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// Decimal_Number
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2018-03-22 14:49:22 +01:00
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Character.DECIMAL_DIGIT_NUMBER -> false
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2021-02-20 00:40:02 +01:00
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else -> true
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}
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}
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// https://mastodon.juggler.jp/@tateisu/99727683089280157
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// https://github.com/tootsuite/mastodon/pull/5570 がマージされたらこっちに切り替える
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// return cp == -1 || CharacterGroup.isWhitespace(cp)
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}
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fun canStartHashtag(s: CharSequence, index: Int): Boolean {
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val cp = s.codePointBefore(index)
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// HASHTAG_RE = /(?:^|[^\/\)\w])#(#{HASHTAG_NAME_RE})/i
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return if (cp >= 0x80) {
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true
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} else when (cp.toChar()) {
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2019-09-12 19:16:07 +02:00
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'/' -> false
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')' -> false
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'_' -> false
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2021-02-20 00:40:02 +01:00
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in 'a'..'z' -> false
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in 'A'..'Z' -> false
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in '0'..'9' -> false
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else -> true
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}
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}
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private class EmojiStringBuilder(val options: DecodeOptions) {
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val sb = SpannableStringBuilder()
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var normal_char_start = -1
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private fun openNormalText() {
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if (normal_char_start == -1) {
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normal_char_start = sb.length
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}
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}
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fun closeNormalText() {
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if (normal_char_start != -1) {
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val end = sb.length
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applyHighlight(normal_char_start, end)
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normal_char_start = -1
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}
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}
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private fun applyHighlight(start: Int, end: Int) {
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val list = options.highlightTrie?.matchList(sb, start, end) ?: return
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for (range in list) {
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val word = HighlightWord.load(range.word) ?: continue
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sb.setSpan(
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2019-11-15 07:13:59 +01:00
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HighlightSpan(word.color_fg, word.color_bg),
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range.start,
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range.end,
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Spanned.SPAN_EXCLUSIVE_EXCLUSIVE
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)
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2021-02-20 00:40:02 +01:00
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if (word.sound_type != HighlightWord.SOUND_TYPE_NONE) {
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if (options.highlightSound == null) options.highlightSound = word
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}
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if (word.speech != 0) {
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if (options.highlightSpeech == null) options.highlightSpeech = word
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}
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if (options.highlightAny == null) options.highlightAny = word
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}
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}
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fun addNetworkEmojiSpan(text: String, url: String) {
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closeNormalText()
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val start = sb.length
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sb.append(text)
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val end = sb.length
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sb.setSpan(
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2018-11-06 02:29:33 +01:00
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NetworkEmojiSpan(url, scale = options.enlargeCustomEmoji),
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2018-01-19 14:15:39 +01:00
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start,
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end,
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Spanned.SPAN_EXCLUSIVE_EXCLUSIVE
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)
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2021-02-20 00:40:02 +01:00
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}
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fun addImageSpan(text: String, @DrawableRes res_id: Int) {
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val context = options.context
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if (context == null) {
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openNormalText()
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sb.append(text)
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} else {
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closeNormalText()
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val start = sb.length
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sb.append(text)
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val end = sb.length
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sb.setSpan(
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EmojiImageSpan(context, res_id, scale = options.enlargeEmoji),
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2018-04-30 16:01:00 +02:00
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start,
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end,
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Spanned.SPAN_EXCLUSIVE_EXCLUSIVE
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)
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2021-02-20 00:40:02 +01:00
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}
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}
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fun addImageSpan(text: String, er: EmojiMap.EmojiResource) {
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val context = options.context
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if (context == null) {
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openNormalText()
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sb.append(text)
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} else {
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closeNormalText()
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val start = sb.length
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sb.append(text)
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val end = sb.length
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sb.setSpan(
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er.createSpan(context, scale = options.enlargeEmoji),
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2019-09-14 22:09:52 +02:00
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start,
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end,
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Spanned.SPAN_EXCLUSIVE_EXCLUSIVE
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)
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2021-02-20 00:40:02 +01:00
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}
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}
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2021-02-19 02:18:58 +01:00
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2021-02-20 00:40:02 +01:00
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fun addUnicodeString(s: String) {
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2021-02-20 12:22:22 +01:00
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if(!handleUnicodeEmoji){
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openNormalText()
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sb.append(s)
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return
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}
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2021-02-20 00:40:02 +01:00
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var i = 0
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val end = s.length
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// 絵文字ではない部分をコピーする
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fun normalCopy(initialJ: Int): Boolean {
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var j = initialJ
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2021-02-20 12:22:22 +01:00
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while (j < end && !EmojiMap.isStartChar(s[j])) {
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2021-02-20 00:40:02 +01:00
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j += min(end - j, Character.charCount(s.codePointAt(j)))
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}
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if (j <= i) return false
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// https://github.com/tateisu/SubwayTooter/issues/69
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val text = s.substring(i, j).replace('\u00AD', '-')
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openNormalText()
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sb.append(text)
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i = j
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return true
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}
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while (i < end) {
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// 絵文字ではない部分をコピーする
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if (normalCopy(i) && i >= end) break
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// 絵文字コードを探索
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2021-02-20 12:22:22 +01:00
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val result = EmojiMap.utf16Trie.get(s,i,end)
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2021-02-20 00:40:02 +01:00
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if (result == null) {
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// 見つからなかったら、通常テキストを1文字以上コピーする
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normalCopy(i + min(end-i, Character.charCount(s.codePointAt(i))))
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continue
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}
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val nextChar = if (result.endPos >= end ) null else s[result.endPos].toInt()
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// 絵文字バリエーション・シーケンス(EVS)のU+FE0E(VS-15)が直後にある場合
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// その文字を絵文字化しない
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if (nextChar == 0xFE0E) {
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normalCopy(result.endPos+1)
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continue
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}
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val emoji = if (nextChar == 0xFE0F && s[result.endPos-1].toInt() != 0xFE0F) {
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// 絵文字の最後が 0xFE0F でない
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// 直後にU+0xFE0F (絵文字バリエーション・シーケンスEVSのVS-16)がある
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// 直後のそれまで含めて絵文字として表示する
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s.substring(i, result.endPos + 1)
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} else {
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s.substring(i, result.endPos)
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}
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addImageSpan(emoji, result.data)
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i += emoji.length
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}
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}
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}
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private const val codepointColon = ':'.toInt()
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// private const val codepointAtmark = '@'.toInt()
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private val shortCodeCharacterSet =
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SparseBooleanArray().apply {
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for (c in 'A'..'Z') put(c.toInt(), true)
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for (c in 'a'..'z') put(c.toInt(), true)
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for (c in '0'..'9') put(c.toInt(), true)
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for (c in "+-_@:") put(c.toInt(), true)
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for (c in ".") put(c.toInt(), true)
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}
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private interface ShortCodeSplitterCallback {
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fun onString(part: String) // shortcode以外の文字列
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fun onShortCode(
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prevCodePoint: Int,
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part: String,
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name: String
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2019-06-03 22:50:18 +02:00
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) // part : ":shortcode:", name : "shortcode"
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2021-02-20 00:40:02 +01:00
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}
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private val reUrl = """https?://[\w/:%#@${'$'}&?!()\[\]~.=+\-]+"""
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.asciiPattern()
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private fun splitShortCode(
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s: String,
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callback: ShortCodeSplitterCallback
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2018-01-04 19:52:25 +01:00
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) {
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2021-02-20 00:40:02 +01:00
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val urlList = ArrayList<IntRange>().apply {
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val m = reUrl.matcher(s)
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while (m.find()) {
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add(m.start()..m.end())
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}
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}
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val end = s.length
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var i = 0
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while (i < end) {
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// ":"以外を読み飛ばす
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// URL中のコロンも読み飛ばす
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var start = i
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|
|
|
loop@ while (i < end) {
|
|
|
|
|
val c = s.codePointAt(i)
|
|
|
|
|
if (c == codepointColon && null == urlList.find { i in it }) break@loop
|
|
|
|
|
i += Character.charCount(c)
|
|
|
|
|
}
|
|
|
|
|
if (i > start) callback.onString(s.substring(start, i))
|
|
|
|
|
|
|
|
|
|
if (i >= end) break
|
|
|
|
|
|
|
|
|
|
start = i++ // start=コロンの位置 i=その次の位置
|
|
|
|
|
|
|
|
|
|
// 閉じるコロンを探す
|
|
|
|
|
var posEndColon = -1
|
|
|
|
|
while (i < end) {
|
|
|
|
|
val cp = s.codePointAt(i)
|
|
|
|
|
if (cp == codepointColon) {
|
|
|
|
|
posEndColon = i
|
|
|
|
|
break
|
|
|
|
|
} else if (!shortCodeCharacterSet.get(cp, false))
|
|
|
|
|
break
|
|
|
|
|
|
|
|
|
|
i += Character.charCount(cp)
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// 閉じるコロンが見つからないか、shortcodeが短すぎるなら
|
|
|
|
|
// startの位置のコロンだけを処理して残りは次のループで処理する
|
|
|
|
|
if (posEndColon == -1 || posEndColon - start < 2) {
|
|
|
|
|
callback.onString(":")
|
|
|
|
|
i = start + 1
|
|
|
|
|
continue
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
val prevCodePoint = when {
|
|
|
|
|
start <= 0 -> 0x20
|
|
|
|
|
else -> s.codePointBefore(start)
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
callback.onShortCode(
|
2019-01-06 09:20:37 +01:00
|
|
|
|
prevCodePoint,
|
|
|
|
|
s.substring(start, posEndColon + 1), // ":shortcode:"
|
|
|
|
|
s.substring(start + 1, posEndColon) // "shortcode"
|
2018-01-04 19:52:25 +01:00
|
|
|
|
)
|
2021-02-20 00:40:02 +01:00
|
|
|
|
|
|
|
|
|
i = posEndColon + 1 // コロンの次の位置
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
private val reNicoru = """\Anicoru\d*\z""".asciiPattern(Pattern.CASE_INSENSITIVE)
|
|
|
|
|
private val reHohoemi = """\Ahohoemi\d*\z""".asciiPattern(Pattern.CASE_INSENSITIVE)
|
|
|
|
|
|
|
|
|
|
fun decodeEmoji(options: DecodeOptions, s: String): SpannableStringBuilder {
|
|
|
|
|
|
|
|
|
|
val builder = EmojiStringBuilder(options)
|
|
|
|
|
|
|
|
|
|
val emojiMapCustom = options.emojiMapCustom
|
|
|
|
|
val emojiMapProfile = options.emojiMapProfile
|
|
|
|
|
|
|
|
|
|
val useEmojioneShortcode = when (val context = options.context) {
|
2020-01-28 03:16:20 +01:00
|
|
|
|
null -> false
|
2021-02-20 00:40:02 +01:00
|
|
|
|
else -> Pref.bpEmojioneShortcode(context.pref())
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
splitShortCode(s, callback = object : ShortCodeSplitterCallback {
|
|
|
|
|
override fun onString(part: String) {
|
2018-01-18 19:09:36 +01:00
|
|
|
|
builder.addUnicodeString(part)
|
2018-01-04 19:52:25 +01:00
|
|
|
|
}
|
2021-02-20 00:40:02 +01:00
|
|
|
|
|
|
|
|
|
override fun onShortCode(prevCodePoint: Int, part: String, name: String) {
|
2018-03-10 17:22:13 +01:00
|
|
|
|
// フレニコのプロフ絵文字
|
2021-02-20 00:40:02 +01:00
|
|
|
|
if (emojiMapProfile != null && name.length >= 2 && name[0] == '@') {
|
2018-03-10 17:22:13 +01:00
|
|
|
|
val emojiProfile = emojiMapProfile[name] ?: emojiMapProfile[name.substring(1)]
|
2021-02-20 00:40:02 +01:00
|
|
|
|
if (emojiProfile != null) {
|
2018-03-10 17:22:13 +01:00
|
|
|
|
val url = emojiProfile.url
|
2021-02-20 00:40:02 +01:00
|
|
|
|
if (url.isNotEmpty()) {
|
2018-03-10 17:22:13 +01:00
|
|
|
|
builder.addNetworkEmojiSpan(part, url)
|
|
|
|
|
return
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
2021-02-20 00:40:02 +01:00
|
|
|
|
|
2018-01-18 19:09:36 +01:00
|
|
|
|
// カスタム絵文字
|
|
|
|
|
val emojiCustom = emojiMapCustom?.get(name)
|
2021-02-20 00:40:02 +01:00
|
|
|
|
if (emojiCustom != null) {
|
2018-01-18 19:09:36 +01:00
|
|
|
|
val url = when {
|
|
|
|
|
Pref.bpDisableEmojiAnimation(App1.pref) && emojiCustom.static_url?.isNotEmpty() == true -> emojiCustom.static_url
|
|
|
|
|
else -> emojiCustom.url
|
2018-01-04 19:52:25 +01:00
|
|
|
|
}
|
2018-01-18 19:09:36 +01:00
|
|
|
|
builder.addNetworkEmojiSpan(part, url)
|
2018-01-04 19:52:25 +01:00
|
|
|
|
return
|
|
|
|
|
}
|
2021-02-20 00:40:02 +01:00
|
|
|
|
|
2018-03-10 17:22:13 +01:00
|
|
|
|
// 通常の絵文字
|
2021-02-20 00:40:02 +01:00
|
|
|
|
if (useEmojioneShortcode) {
|
2020-01-28 03:16:20 +01:00
|
|
|
|
val info =
|
2021-02-20 12:22:22 +01:00
|
|
|
|
EmojiMap.shortNameToEmojiInfo[name.toLowerCase(Locale.JAPAN).replace('-', '_')]
|
2021-02-20 00:40:02 +01:00
|
|
|
|
if (info != null) {
|
2020-01-28 03:16:20 +01:00
|
|
|
|
builder.addImageSpan(part, info.er)
|
|
|
|
|
return
|
|
|
|
|
}
|
2018-01-04 19:52:25 +01:00
|
|
|
|
}
|
2021-02-20 00:40:02 +01:00
|
|
|
|
|
2018-01-20 17:59:38 +01:00
|
|
|
|
when {
|
2018-01-21 17:47:13 +01:00
|
|
|
|
reHohoemi.matcher(name).find() -> builder.addImageSpan(
|
|
|
|
|
part,
|
|
|
|
|
R.drawable.emoji_hohoemi
|
|
|
|
|
)
|
|
|
|
|
reNicoru.matcher(name).find() -> builder.addImageSpan(
|
|
|
|
|
part,
|
|
|
|
|
R.drawable.emoji_nicoru
|
|
|
|
|
)
|
2018-01-20 17:59:38 +01:00
|
|
|
|
else -> builder.addUnicodeString(part)
|
|
|
|
|
}
|
2021-02-20 00:40:02 +01:00
|
|
|
|
|
2018-01-04 19:52:25 +01:00
|
|
|
|
}
|
|
|
|
|
})
|
2021-02-20 00:40:02 +01:00
|
|
|
|
|
|
|
|
|
builder.closeNormalText()
|
|
|
|
|
|
|
|
|
|
return builder.sb
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// 投稿などの際、表示は不要だがショートコード=>Unicodeの解決を行いたい場合がある
|
|
|
|
|
// カスタム絵文字の変換も行わない
|
|
|
|
|
fun decodeShortCode(
|
|
|
|
|
s: String,
|
|
|
|
|
emojiMapCustom: HashMap<String, CustomEmoji>? = null
|
|
|
|
|
): String {
|
|
|
|
|
|
|
|
|
|
val sb = StringBuilder()
|
|
|
|
|
|
|
|
|
|
splitShortCode(s, callback = object : ShortCodeSplitterCallback {
|
|
|
|
|
override fun onString(part: String) {
|
2018-01-04 19:52:25 +01:00
|
|
|
|
sb.append(part)
|
|
|
|
|
}
|
2021-02-20 00:40:02 +01:00
|
|
|
|
|
|
|
|
|
override fun onShortCode(prevCodePoint: Int, part: String, name: String) {
|
|
|
|
|
|
2018-03-10 17:22:13 +01:00
|
|
|
|
// カスタム絵文字にマッチするなら変換しない
|
|
|
|
|
val emojiCustom = emojiMapCustom?.get(name)
|
2021-02-20 00:40:02 +01:00
|
|
|
|
if (emojiCustom != null) {
|
2018-03-10 17:22:13 +01:00
|
|
|
|
sb.append(part)
|
|
|
|
|
return
|
|
|
|
|
}
|
2021-02-20 00:40:02 +01:00
|
|
|
|
|
2018-03-10 17:22:13 +01:00
|
|
|
|
// カスタム絵文字ではなく通常の絵文字のショートコードなら絵文字に変換する
|
2019-12-19 10:18:09 +01:00
|
|
|
|
val info =
|
2021-02-20 12:22:22 +01:00
|
|
|
|
EmojiMap.shortNameToEmojiInfo[name.toLowerCase(Locale.JAPAN).replace('-', '_')]
|
2018-01-04 19:52:25 +01:00
|
|
|
|
sb.append(info?.unified ?: part)
|
|
|
|
|
}
|
|
|
|
|
})
|
2021-02-20 00:40:02 +01:00
|
|
|
|
|
|
|
|
|
return sb.toString()
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// 入力補完用。絵文字ショートコード一覧を部分一致で絞り込む
|
|
|
|
|
internal fun searchShortCode(
|
|
|
|
|
context: Context,
|
|
|
|
|
prefix: String,
|
|
|
|
|
limit: Int
|
|
|
|
|
): ArrayList<CharSequence> {
|
|
|
|
|
val dst = ArrayList<CharSequence>()
|
2021-02-20 12:22:22 +01:00
|
|
|
|
for (shortCode in EmojiMap.shortNameList) {
|
2021-02-20 00:40:02 +01:00
|
|
|
|
if (dst.size >= limit) break
|
|
|
|
|
if (!shortCode.contains(prefix)) continue
|
|
|
|
|
|
2021-02-20 12:22:22 +01:00
|
|
|
|
val info = EmojiMap.shortNameToEmojiInfo[shortCode] ?: continue
|
2021-02-20 00:40:02 +01:00
|
|
|
|
|
|
|
|
|
val sb = SpannableStringBuilder()
|
|
|
|
|
val start = 0
|
|
|
|
|
sb.append(' ')
|
|
|
|
|
val end = sb.length
|
|
|
|
|
|
|
|
|
|
sb.setSpan(
|
2019-09-14 22:09:52 +02:00
|
|
|
|
info.er.createSpan(context),
|
2018-01-18 19:09:36 +01:00
|
|
|
|
start,
|
|
|
|
|
end,
|
|
|
|
|
Spanned.SPAN_EXCLUSIVE_EXCLUSIVE
|
|
|
|
|
)
|
2021-02-20 00:40:02 +01:00
|
|
|
|
|
|
|
|
|
sb.append(' ')
|
|
|
|
|
.append(':')
|
|
|
|
|
.append(shortCode)
|
|
|
|
|
.append(':')
|
|
|
|
|
|
|
|
|
|
dst.add(sb)
|
|
|
|
|
}
|
|
|
|
|
return dst
|
|
|
|
|
}
|
2018-01-04 19:52:25 +01:00
|
|
|
|
}
|