bool TextBlockUserData::findNextBlockClosingParenthesis(QTextCursor *cursor) { QTextBlock block = cursor->block(); int position = cursor->position(); int ignore = 0; while (block.isValid()) { Parentheses parenList = BaseTextDocumentLayout::parentheses(block); if (!parenList.isEmpty() && !BaseTextDocumentLayout::ifdefedOut(block)) { for (int i = 0; i < parenList.count(); ++i) { Parenthesis paren = parenList.at(i); if (paren.chr != QLatin1Char('{') && paren.chr != QLatin1Char('}') && paren.chr != QLatin1Char('+') && paren.chr != QLatin1Char('-') && paren.chr != QLatin1Char('[') && paren.chr != QLatin1Char(']')) continue; if (block == cursor->block() && (position - block.position() > paren.pos - (paren.type == Parenthesis::Opened ? 1 : 0))) continue; if (paren.type == Parenthesis::Opened) { ++ignore; } else if (ignore > 0) { --ignore; } else { cursor->setPosition(block.position() + paren.pos+1); return true; } } } block = block.next(); } return false; }
bool TextBlockUserData::findPreviousOpenParenthesis(QTextCursor *cursor, bool select, bool onlyInCurrentBlock) { QTextBlock block = cursor->block(); int position = cursor->position(); int ignore = 0; while (block.isValid()) { Parentheses parenList = BaseTextDocumentLayout::parentheses(block); if (!parenList.isEmpty() && !BaseTextDocumentLayout::ifdefedOut(block)) { for (int i = parenList.count()-1; i >= 0; --i) { Parenthesis paren = parenList.at(i); if (block == cursor->block() && (position - block.position() <= paren.pos + (paren.type == Parenthesis::Closed ? 1 : 0))) continue; if (paren.type == Parenthesis::Closed) { ++ignore; } else if (ignore > 0) { --ignore; } else { cursor->setPosition(block.position() + paren.pos, select ? QTextCursor::KeepAnchor : QTextCursor::MoveAnchor); return true; } } } if (onlyInCurrentBlock) return false; block = block.previous(); } return false; }
bool TextBlockUserData::findPreviousBlockOpenParenthesis(QTextCursor *cursor, bool checkStartPosition) { QTextBlock block = cursor->block(); int position = cursor->position(); int ignore = 0; while (block.isValid()) { Parentheses parenList = BaseTextDocumentLayout::parentheses(block); if (!parenList.isEmpty() && !BaseTextDocumentLayout::ifdefedOut(block)) { for (int i = parenList.count()-1; i >= 0; --i) { Parenthesis paren = parenList.at(i); if (paren.chr != QLatin1Char('{') && paren.chr != QLatin1Char('}') && paren.chr != QLatin1Char('+') && paren.chr != QLatin1Char('-') && paren.chr != QLatin1Char('[') && paren.chr != QLatin1Char(']')) continue; if (block == cursor->block()) { if (position - block.position() <= paren.pos + (paren.type == Parenthesis::Closed ? 1 : 0)) continue; if (checkStartPosition && paren.type == Parenthesis::Opened && paren.pos== cursor->position()) { return true; } } if (paren.type == Parenthesis::Closed) { ++ignore; } else if (ignore > 0) { --ignore; } else { cursor->setPosition(block.position() + paren.pos); return true; } } } block = block.previous(); } return false; }
void BaseTextDocumentLayout::setParentheses(const QTextBlock &block, const Parentheses &parentheses) { if (parentheses.isEmpty()) { if (TextBlockUserData *userData = testUserData(block)) userData->clearParentheses(); } else { userData(block)->setParentheses(parentheses); } }
static void countBrackets(QTextCursor cursor, int from, int end, QChar open, QChar close, int *errors, int *stillopen) { cursor.setPosition(from); QTextBlock block = cursor.block(); while (block.isValid() && block.position() < end) { Parentheses parenList = TextDocumentLayout::parentheses(block); if (!parenList.isEmpty() && !TextDocumentLayout::ifdefedOut(block)) { for (int i = 0; i < parenList.count(); ++i) { Parenthesis paren = parenList.at(i); int position = block.position() + paren.pos; if (position < from || position >= end) continue; countBracket(open, close, paren.chr, errors, stillopen); } } block = block.next(); } }