public void testRemoveRedundantTagsFromDoc() throws BadLocationException {
m_doc.insertString(0, "Foobar", SimpleAttributeSet.EMPTY);
SimpleAttributeSet actualAttr = new SimpleAttributeSet();
actualAttr.addAttribute(StyleConstants.Bold, Boolean.TRUE);
m_doc.setCharacterAttributes(1, 2, actualAttr, true);
actualAttr = new SimpleAttributeSet();
actualAttr.addAttribute(StyleConstants.Bold, Boolean.TRUE);
m_doc.setCharacterAttributes(3, 2, actualAttr, true);
assertEquals("F<b>ooba</b>r", FormattedText.formatted(m_doc).getFormatted());
}
/**
* Searches for a quote token.
*
* @param content the content to search
* @param startOffset the start of the search
* @param endOffset the end of the search
* @return the new position
*/
protected int getQuoteToken(String content, int startOffset, int endOffset) {
String quoteDelimiter = content.substring(startOffset, startOffset + 1);
String escapeString = escapeQuote(quoteDelimiter);
int index;
int endOfQuote = startOffset;
// skip over the escape quotes in this quote
index = content.indexOf(escapeString, endOfQuote + 1);
while ((index > -1) && (index < endOffset)) {
endOfQuote = index + 1;
index = content.indexOf(escapeString, endOfQuote);
}
// now find the matching delimiter
index = content.indexOf(quoteDelimiter, endOfQuote + 1);
if ((index < 0) || (index > endOffset)) endOfQuote = endOffset;
else endOfQuote = index;
m_Self.setCharacterAttributes(startOffset, endOfQuote - startOffset + 1, DEFAULT_STRING, false);
return endOfQuote + 1;
}
/**
* Parse the line to determine the appropriate highlighting.
*
* @param content the content to parse
* @param line the line number
* @throws BadLocationException if offsets are invalid
*/
protected void applyHighlighting(String content, int line) throws BadLocationException {
int startOffset = m_RootElement.getElement(line).getStartOffset();
int endOffset = m_RootElement.getElement(line).getEndOffset() - 1;
int lineLength = endOffset - startOffset;
int contentLength = content.length();
if (endOffset >= contentLength) endOffset = contentLength - 1;
// check for multi line comments
// (always set the comment attribute for the entire line)
if (getMultiLineComment()) {
if (endingMultiLineComment(content, startOffset, endOffset)
|| isMultiLineComment()
|| startingMultiLineComment(content, startOffset, endOffset)) {
m_Self.setCharacterAttributes(
startOffset, endOffset - startOffset + 1, DEFAULT_COMMENT, false);
return;
}
}
// set normal attributes for the line
m_Self.setCharacterAttributes(startOffset, lineLength, DEFAULT_NORMAL, true);
// check for single line comment
int index = content.indexOf(getSingleLineCommentStart(), startOffset);
if ((index > -1) && (index < endOffset)) {
m_Self.setCharacterAttributes(index, endOffset - index + 1, DEFAULT_COMMENT, false);
endOffset = index - 1;
}
// check for tokens
checkForTokens(content, startOffset, endOffset);
}
/**
* Searches for a keyword token.
*
* @param content the content to search in
* @param startOffset the position to start the search fromm
* @param endOffset the position to end the search
* @return the new position
*/
protected int getOtherToken(String content, int startOffset, int endOffset) {
int endOfToken = startOffset + 1;
while (endOfToken <= endOffset) {
if (isDelimiter(content.substring(endOfToken, endOfToken + 1))) break;
endOfToken++;
}
String token = content.substring(startOffset, endOfToken);
// see if this token has a highlighting format associated with it
MutableAttributeSet attr = getKeywordFormatting(token);
if (attr != null)
m_Self.setCharacterAttributes(startOffset, endOfToken - startOffset, attr, false);
return endOfToken + 1;
}
/**
* Asserts that the style is still set correctly on a styled document after encoding the document
* into a string representation and decoding it back into a styled document again.
*/
public void assertStyleRoundtrip(Object style) throws BadLocationException {
m_doc.insertString(0, "Foobar Test", SimpleAttributeSet.EMPTY);
SimpleAttributeSet actualAttr = new SimpleAttributeSet();
actualAttr.addAttribute(style, Boolean.TRUE);
m_doc.setCharacterAttributes(2, 2, actualAttr, true);
StyledDocument doc = roundtrip(m_doc);
AttributeSet exceptedAttr = doc.getCharacterElement(2).getAttributes();
Boolean hasStyle = (Boolean) exceptedAttr.getAttribute(style);
if (hasStyle != null) {
assertTrue(hasStyle.booleanValue());
} else {
fail("Style not set");
}
}
/**
* Highlight comment lines to matching end delimiter.
*
* @param content the content to parse
* @param line the line number
*/
protected void commentLinesAfter(String content, int line) {
int offset = m_RootElement.getElement(line).getEndOffset();
// End of comment not found, nothing to do
int endDelimiter = -1;
if (getMultiLineComment()) endDelimiter = indexOf(content, getMultiLineCommentEnd(), offset);
if (endDelimiter < 0) return;
// Matching start/end of comment found, comment the lines
int startDelimiter = lastIndexOf(content, getMultiLineCommentStart(), endDelimiter);
if (startDelimiter < 0 || startDelimiter <= offset) {
m_Self.setCharacterAttributes(offset, endDelimiter - offset + 1, DEFAULT_COMMENT, false);
}
}
/**
* Highlight lines when a multi line comment is still 'open' (ie. matching end delimiter has not
* yet been encountered).
*
* @param content the content to check
* @param line the line number
* @return true if there are comment lines before
*/
protected boolean commentLinesBefore(String content, int line) {
int offset = m_RootElement.getElement(line).getStartOffset();
// Start of comment not found, nothing to do
int startDelimiter = -1;
if (getMultiLineComment())
startDelimiter = lastIndexOf(content, getMultiLineCommentStart(), offset - 2);
if (startDelimiter < 0) return false;
// Matching start/end of comment found, nothing to do
int endDelimiter = indexOf(content, getMultiLineCommentEnd(), startDelimiter);
if (endDelimiter < offset & endDelimiter != -1) return false;
// End of comment not found, highlight the lines
m_Self.setCharacterAttributes(
startDelimiter, offset - startDelimiter + 1, DEFAULT_COMMENT, false);
return true;
}
private void highlightArea(int pos, int len, String col) {
SimpleAttributeSet attrs = new SimpleAttributeSet();
StyleConstants.setForeground(attrs, getColour(col));
document.setCharacterAttributes(pos, len, attrs, true);
}
