protected boolean isTemplateLine(Line line) { ProcessedRichString string = line.getRichString(); if (string.getLines().size() == 1) { return false; } boolean firstOrLast = string.getLines().get(0) == line; if (!firstOrLast) { if (string.getLines().get(string.getLines().size() - 1) == line) { if (!(line.getParts().get(line.getParts().size() - 1) instanceof LineBreak)) firstOrLast = true; } } boolean onlyLiterals = true; for (LinePart part : line.getParts()) { if (part instanceof PrintedExpression) return false; if (part instanceof Literal) { Literal literal = (Literal) part; if (literal instanceof LineBreak) { if (firstOrLast) return onlyLiterals; return !onlyLiterals; } if (!(new TextLine( literal.getLiteral().getValue(), literal.getOffset(), literal.getLength(), 0) .containsOnlyWhitespace())) return false; } else if (firstOrLast) { return false; } else { onlyLiterals = false; } } if (firstOrLast) return onlyLiterals; return !onlyLiterals; }
@Override public Boolean caseLiteral(Literal object) { if (announced == null || announced != object.getLiteral()) { acceptor.announceNextLiteral(object.getLiteral()); announced = object.getLiteral(); } Line line = object.getLine(); TextLine textLine = new TextLine( Strings.emptyIfNull(object.getLiteral().getValue()), object.getOffset(), object.getLength(), 0); CharSequence ws = textLine.getLeadingWhiteSpace(); ProcessedRichString string = line.getRichString(); boolean firstOrLast = string.getLines().get(0) == line || string.getLines().get(string.getLines().size() - 1) == line; if (isTemplateLine(line)) { if (line.getParts().get(0) == object) { if (!firstOrLast) { boolean followedByOpening = false; if (line.getParts().size() >= 2) { LinePart next = line.getParts().get(1); if (next instanceof ForLoopStart || next instanceof IfConditionStart) { followedByOpening = true; } } if (!followedByOpening) { pushSemanticIndentation(indentationHandler.getTotalIndentation()); } else { pushSemanticIndentation(ws); } } } announceTemplateText(textLine, object.getLiteral()); } else { if (skipCount <= 1) { firstOrLast = false; if (skipCount == 0 && line.getParts().get(0) == object) { if (textLine.length() == ws.length()) { for (int i = 1; i < line.getParts().size(); i++) { if (line.getParts().get(i) instanceof Literal && !(line.getParts().get(i) instanceof LineBreak)) { Literal nextLiteralInSameLine = (Literal) line.getParts().get(i); TextLine nextLiteralLine = new TextLine( nextLiteralInSameLine.getLiteral().getValue(), nextLiteralInSameLine.getOffset(), nextLiteralInSameLine.getLength(), 0); CharSequence nextLeading = nextLiteralLine.getLeadingWhiteSpace(); if (nextLeading.length() > 0) { ws = ws.toString() + nextLeading; } skipCount++; if (nextLeading.length() != nextLiteralLine.length()) { break; } } else { break; } } if (skipCount != 0) { pushSemanticIndentation(ws); } else { pushSemanticIndentation(ws); announceIndentation(); announceSemanticText( textLine.subSequence(ws.length(), textLine.length()), object.getLiteral()); } } else { pushSemanticIndentation(ws); announceIndentation(); announceSemanticText( textLine.subSequence(ws.length(), textLine.length()), object.getLiteral()); } } else { if (skipCount == 1) { skipCount--; announceIndentation(); announceSemanticText( textLine.subSequence(ws.length(), textLine.length()), object.getLiteral()); } else { announceSemanticText(textLine, object.getLiteral()); } } } else { skipCount--; } } if (!firstOrLast && line.getParts().get(line.getParts().size() - 1) == object) { popIndentation(); } computeNextPart(object); return Boolean.TRUE; }