New helper to help with quotes.

This commit is contained in:
Millesimus 2021-08-20 21:51:51 +02:00 committed by Daniel Gultsch
parent 309082a9b3
commit 65a72827bc
2 changed files with 79 additions and 0 deletions

View File

@ -0,0 +1,51 @@
package eu.siacs.conversations.ui.util;
import eu.siacs.conversations.utils.UIHelper;
public class QuoteHelper {
public static boolean isPositionQuoteCharacter(CharSequence body, int pos){
return body.charAt(pos) == '>';
}
public static boolean isPositionFollowedByQuoteChar(CharSequence body, int pos) {
return body.length() > pos + 1 && isPositionQuoteCharacter(body, pos +1 );
}
// 'Prequote' means anything we require or can accept in front of a QuoteChar
public static boolean isPositionPrecededByPrequote(CharSequence body, int pos){
return UIHelper.isPositionPrecededByLineStart(body, pos);
}
public static boolean isPositionQuoteStart (CharSequence body, int pos){
return isPositionQuoteCharacter(body, pos)
&& isPositionPrecededByPrequote(body, pos)
&& (UIHelper.isPositionFollowedByWhitespace(body, pos)
|| isPositionFollowedByQuoteChar(body, pos));
}
public static boolean bodyContainsQuoteStart (CharSequence body){
for (int i = 0; i < body.length(); i++){
if (isPositionQuoteStart(body, i)){
return true;
}
}
return false;
}
/*public static int getQuoteColors(XmppActivity activity, boolean darkBackground, int quoteDepth){
int[] colorsLight = R.style.ConversationsTheme_Dark;
int[] colorsDark = Config.QUOTE_COLOR_ARRAY_DARK;
Collections.rotate(Collections.singletonList(colorsLight), quoteDepth);
Collections.rotate(Collections.singletonList(colorsDark), quoteDepth);
Arrays.stream(colorsLight).toArray();
int quoteColors = darkBackground ? ContextCompat.getColor(activity, colorsLight[quoteDepth-1])
: ContextCompat.getColor(activity, colorsDark[quoteDepth-1]);
Collections.rotate
return quoteColors;
};*/
}

View File

@ -372,6 +372,34 @@ public class UIHelper {
return input.length() > 256 ? StylingHelper.subSequence(input, 0, 256) : input; return input.length() > 256 ? StylingHelper.subSequence(input, 0, 256) : input;
} }
public static boolean isPositionFollowedByWhitespace(CharSequence body, int pos){
return Character.isWhitespace(body.charAt(pos + 1));
}
public static boolean isPositionPrecededByWhitespace(CharSequence body, int pos){
return Character.isWhitespace(body.charAt(pos -1 ));
}
public static boolean isPositionPrecededByBodyStart(CharSequence body, int pos){
// true if not a single linebreak before current position
for (int i = pos - 1; i >= 0; i--){
if (body.charAt(i) != ' '){
return false;
}
}
return true;
}
public static boolean isPositionPrecededByLineStart(CharSequence body, int pos){
if (isPositionPrecededByBodyStart(body, pos)){
return true;
}
if (body.charAt(pos - 1) == '\n'){
return true;
}
return false;
}
public static boolean isPositionFollowedByQuoteableCharacter(CharSequence body, int pos) { public static boolean isPositionFollowedByQuoteableCharacter(CharSequence body, int pos) {
return !isPositionFollowedByNumber(body, pos) return !isPositionFollowedByNumber(body, pos)
&& !isPositionFollowedByEmoticon(body, pos) && !isPositionFollowedByEmoticon(body, pos)