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Try to fix superscript rendering.

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This commit is contained in:
Alex Ning 2021-02-22 23:36:27 +08:00
parent 5b831aafbc
commit fea59bc66d
1 changed files with 59 additions and 1 deletions
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60
app/src/main/java/ml/docilealligator/infinityforreddit/utils/Utils.java
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@ -48,8 +48,9 @@ public class Utils {
.replaceAll("(^|^ *|\\n *)#####(?!($|\\s|#))", "$0 ")
.replaceAll("(^|^ *|\\n *)######(?!($|\\s|#))", "$0 "));
return fixSuperScript(regexed);
//Fix superscript
int startIndex = regexed.indexOf("^");
/*int startIndex = regexed.indexOf("^");
while (startIndex >= 0 && startIndex + 1 < regexed.length()) {
char currentChar = regexed.charAt(startIndex + 1);
if (currentChar == '^') {
@ -58,6 +59,11 @@ public class Utils {
} else if (currentChar == ' ' || currentChar == '\n') {
regexed.insert(startIndex + 1, '^');
startIndex = regexed.indexOf("^", startIndex + 2);
} else if (currentChar == '(') {
int closeBracketIndex = regexed.indexOf(")", startIndex + 2);
if (closeBracketIndex > 0) {
}
} else {
if (startIndex + 1 == regexed.length() - 1) {
regexed.append('^');
@ -66,6 +72,58 @@ public class Utils {
startIndex++;
}
}
return regexed.toString();*/
}
public static String fixSuperScript(StringBuilder regexed) {
int newestCaretIndex = regexed.indexOf("^");
if (newestCaretIndex >= 0) {
boolean hasBracket = false;
int caretWithLeftBracketIndex = -1;
for (int i = newestCaretIndex + 1; i < regexed.length(); i++) {
char currentChar = regexed.charAt(i);
if (currentChar == '^') {
if (!(i > 0 && regexed.charAt(i - 1) == '\\')) {
if (newestCaretIndex < 0) {
newestCaretIndex = i;
} else {
regexed.insert(i, '^');
newestCaretIndex = i + 1;
i++;
if (newestCaretIndex == regexed.length() - 1) {
regexed.deleteCharAt(regexed.length() - 1);
newestCaretIndex = -1;
break;
}
}
}
} else if (currentChar == ' ' || currentChar == '\n') {
if (newestCaretIndex >= 0) {
regexed.insert(i, '^');
newestCaretIndex = -1;
i++;
}
} else if (currentChar == '(') {
if (newestCaretIndex >= 0 && i == newestCaretIndex + 1) {
hasBracket = true;
newestCaretIndex = -1;
caretWithLeftBracketIndex = i - 1;
}
} else if (currentChar == ')') {
if (hasBracket) {
hasBracket = false;
regexed.setCharAt(i, '^');
regexed.replace(caretWithLeftBracketIndex, caretWithLeftBracketIndex + 2, "^");
caretWithLeftBracketIndex = -1;
i--;
}
}
}
if (newestCaretIndex >=0 || caretWithLeftBracketIndex >= 0) {
regexed.insert(regexed.length(), '^');
}
}
return regexed.toString();
}