Ejemplos de numeric_regex en C++ (Cpp)

Ejemplo n.º 1

void code_editor_widget::select_token(const std::string& row, int& begin_row, int& end_row, int& begin_col, int& end_col)
{
	std::pair<int,int> key(begin_row, begin_col);
	if(bracket_match_.count(key)) {
		begin_row = bracket_match_.find(key)->second.front().first;
		begin_col = bracket_match_.find(key)->second.front().second;
		end_row = bracket_match_.find(key)->second.back().first;
		end_col = bracket_match_.find(key)->second.back().second+1;
		return;
	}

	text_editor_widget::select_token(row, begin_row, end_row, begin_col, end_col);

	std::string token(row.begin() + begin_col, row.begin() + end_col);
	
	boost::regex numeric_regex("-?\\d+(\\.\\d+)?", boost::regex::perl);
	std::cerr << "token: (" << token << ")\n";
	if(boost::regex_match(token.c_str(), numeric_regex)) {

		const decimal current_value(decimal::from_string(token));
		if(current_value <= 10000000 && current_value >= -10000000) {
			slider_.reset(new slider(200, boost::bind(&code_editor_widget::on_slider_move, this, _1)));
			slider_decimal_ = std::count(token.begin(), token.end(), '.') ? true : false;
			slider_magnitude_ = (abs(current_value.as_int())+1) * 5;
	
			const decimal slider_value = (current_value - decimal::from_int(-slider_magnitude_)) / decimal::from_int(slider_magnitude_*2);
			slider_->set_position(slider_value.as_float());

			std::pair<int,int> pos = char_position_on_screen(begin_row, (begin_col+end_col)/2);

			row_slider_ = begin_row;
			begin_col_slider_ = begin_col;
			end_col_slider_ = end_col;

			int x = pos.second - slider_->width()/2;
			int y = pos.first + 20 - slider_->height();
			if(x < 10) {
				x = 10;
			}

			if(x > width() - slider_->width()) {
				x = width() - slider_->width();
			}

			if(y < 20) {
				y += 60;
			}

			if(y > height() - slider_->height()) {
				y = height() - slider_->height();
			}
	
			slider_->set_loc(x, y);
		}
	}
}

Ejemplo n.º 2

Archivo: code_editor_widget.cpp Proyecto: AsKorysti/anura

void code_editor_widget::select_token(const std::string& row, int& begin_row, int& end_row, int& begin_col, int& end_col)
{
	std::pair<int,int> key(begin_row, begin_col);
	if(bracket_match_.count(key)) {
		begin_row = bracket_match_.find(key)->second.front().first;
		begin_col = bracket_match_.find(key)->second.front().second;
		end_row = bracket_match_.find(key)->second.back().first;
		end_col = bracket_match_.find(key)->second.back().second+1;
		return;
	}

	text_editor_widget::select_token(row, begin_row, end_row, begin_col, end_col);

	std::string token(row.begin() + begin_col, row.begin() + end_col);
	
	boost::regex numeric_regex("-?\\d+(\\.\\d+)?", boost::regex::perl);
	std::cerr << "token: (" << token << ")\n";
	if(boost::regex_match(token.c_str(), numeric_regex)) {

		const decimal current_value(decimal::from_string(token));
		if(current_value <= 10000000 && current_value >= -10000000) {
			slider_.reset(new slider(200, boost::bind(&code_editor_widget::on_slider_move, this, _1)));
			slider_decimal_ = std::count(token.begin(), token.end(), '.') ? true : false;
			slider_magnitude_ = (abs(current_value.as_int())+1) * 5;
	
			const decimal slider_value = (current_value - decimal::from_int(-slider_magnitude_)) / decimal::from_int(slider_magnitude_*2);
			slider_->set_position(slider_value.as_float());

			slider_range_.clear();
			slider_labels_.clear();
			if(current_value > 0) {
				slider_range_.push_back(slider_range(0.0, 0.1, -current_value*5, -current_value));
				slider_range_.push_back(slider_range(0.1, 0.2, -current_value, decimal(0)));
				slider_range_.push_back(slider_range(0.2, 0.3, decimal(0), current_value));
				slider_range_.push_back(slider_range(0.3, 0.5, decimal(0), current_value));
				slider_range_.push_back(slider_range(0.5, 0.7, current_value, 2*current_value));
				slider_range_.push_back(slider_range(0.7, 0.9, 2*current_value, 5*current_value));
				slider_range_.push_back(slider_range(0.9, 1.0, 5*current_value, 10*current_value));
				slider_range_.push_back(slider_range(1.0, 2.0, 10*current_value, 20*current_value));
				slider_->set_position(0.5);
			} else {
				slider_range_.push_back(slider_range(0.0, 0.5, current_value*2, decimal(0)));
				slider_range_.push_back(slider_range(0.5, 1.0, decimal(0), -current_value*2));
				slider_range_.push_back(slider_range(1.0, 2.0, -current_value*2, -current_value*4));
				slider_->set_position(0.25);
			}

			std::pair<int,int> pos = char_position_on_screen(begin_row, (begin_col+end_col)/2);

			row_slider_ = begin_row;
			begin_col_slider_ = begin_col;
			end_col_slider_ = end_col;

			int x = pos.second - slider_->width()/2;
			int y = pos.first + 20 - slider_->height();
			if(x < 10) {
				x = 10;
			}

			if(x > width() - slider_->width()) {
				x = width() - slider_->width();
			}

			if(y < 20) {
				y += 60;
			}

			if(y > height() - slider_->height()) {
				y = height() - slider_->height();
			}
	
			slider_->set_loc(x, y);

			foreach(slider_range& r, slider_range_) {
				slider_labels_.push_back(widget_ptr(new gui::label(formatter() << r.target_begin, 10)));
				slider_labels_.back()->set_loc(x + slider_->width()*r.begin - slider_labels_.back()->width()/2, y);
			}
		}