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flexmark-java extension for superscript
package com.vladsch.flexmark.ext.superscript.internal;
import com.vladsch.flexmark.ext.superscript.Superscript;
import com.vladsch.flexmark.parser.InlineParser;
import com.vladsch.flexmark.parser.core.delimiter.Delimiter;
import com.vladsch.flexmark.parser.delimiter.DelimiterProcessor;
import com.vladsch.flexmark.parser.delimiter.DelimiterRun;
import com.vladsch.flexmark.util.ast.Node;
import com.vladsch.flexmark.util.sequence.BasedSequence;
public class SuperscriptDelimiterProcessor implements DelimiterProcessor {
@Override
public char getOpeningCharacter() {
return '^';
}
@Override
public char getClosingCharacter() {
return '^';
}
@Override
public int getMinLength() {
return 1;
}
@Override
public boolean canBeOpener(String before, String after, boolean leftFlanking, boolean rightFlanking, boolean beforeIsPunctuation, boolean afterIsPunctuation, boolean beforeIsWhitespace, boolean afterIsWhiteSpace) {
return true;//leftFlanking;
}
@Override
public boolean canBeCloser(String before, String after, boolean leftFlanking, boolean rightFlanking, boolean beforeIsPunctuation, boolean afterIsPunctuation, boolean beforeIsWhitespace, boolean afterIsWhiteSpace) {
return true;//rightFlanking;
}
@Override
public boolean skipNonOpenerCloser() {
return false;
}
@Override
public int getDelimiterUse(DelimiterRun opener, DelimiterRun closer) {
if (opener.length() >= 1 && closer.length() >= 1) {
return 1;
} else {
return 0;
}
}
@Override
public Node unmatchedDelimiterNode(InlineParser inlineParser, DelimiterRun delimiter) {
return null;
}
@Override
public void process(Delimiter opener, Delimiter closer, int delimitersUsed) {
// Normal case, wrap nodes between delimiters in strikethrough.
Superscript superscript = new Superscript(opener.getTailChars(delimitersUsed), BasedSequence.NULL, closer.getLeadChars(delimitersUsed));
opener.moveNodesBetweenDelimitersTo(superscript, closer);
}
}
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