New helper to help with quotes.
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@ -0,0 +1,51 @@
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package eu.siacs.conversations.ui.util;
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import eu.siacs.conversations.utils.UIHelper;
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public class QuoteHelper {
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public static boolean isPositionQuoteCharacter(CharSequence body, int pos){
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return body.charAt(pos) == '>';
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}
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public static boolean isPositionFollowedByQuoteChar(CharSequence body, int pos) {
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return body.length() > pos + 1 && isPositionQuoteCharacter(body, pos +1 );
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}
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// 'Prequote' means anything we require or can accept in front of a QuoteChar
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public static boolean isPositionPrecededByPrequote(CharSequence body, int pos){
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return UIHelper.isPositionPrecededByLineStart(body, pos);
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}
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public static boolean isPositionQuoteStart (CharSequence body, int pos){
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return isPositionQuoteCharacter(body, pos)
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&& isPositionPrecededByPrequote(body, pos)
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&& (UIHelper.isPositionFollowedByWhitespace(body, pos)
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|| isPositionFollowedByQuoteChar(body, pos));
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}
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public static boolean bodyContainsQuoteStart (CharSequence body){
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for (int i = 0; i < body.length(); i++){
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if (isPositionQuoteStart(body, i)){
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return true;
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}
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}
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return false;
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}
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/*public static int getQuoteColors(XmppActivity activity, boolean darkBackground, int quoteDepth){
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int[] colorsLight = R.style.ConversationsTheme_Dark;
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int[] colorsDark = Config.QUOTE_COLOR_ARRAY_DARK;
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Collections.rotate(Collections.singletonList(colorsLight), quoteDepth);
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Collections.rotate(Collections.singletonList(colorsDark), quoteDepth);
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Arrays.stream(colorsLight).toArray();
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int quoteColors = darkBackground ? ContextCompat.getColor(activity, colorsLight[quoteDepth-1])
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: ContextCompat.getColor(activity, colorsDark[quoteDepth-1]);
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Collections.rotate
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return quoteColors;
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};*/
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}
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@ -372,6 +372,34 @@ public class UIHelper {
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return input.length() > 256 ? StylingHelper.subSequence(input, 0, 256) : input;
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}
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public static boolean isPositionFollowedByWhitespace(CharSequence body, int pos){
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return Character.isWhitespace(body.charAt(pos + 1));
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}
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public static boolean isPositionPrecededByWhitespace(CharSequence body, int pos){
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return Character.isWhitespace(body.charAt(pos -1 ));
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}
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public static boolean isPositionPrecededByBodyStart(CharSequence body, int pos){
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// true if not a single linebreak before current position
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for (int i = pos - 1; i >= 0; i--){
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if (body.charAt(i) != ' '){
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return false;
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}
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}
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return true;
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}
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public static boolean isPositionPrecededByLineStart(CharSequence body, int pos){
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if (isPositionPrecededByBodyStart(body, pos)){
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return true;
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}
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if (body.charAt(pos - 1) == '\n'){
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return true;
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}
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return false;
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}
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public static boolean isPositionFollowedByQuoteableCharacter(CharSequence body, int pos) {
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return !isPositionFollowedByNumber(body, pos)
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&& !isPositionFollowedByEmoticon(body, pos)
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