edit.py 文件源码

def paragraph(self):
        """Return the index within self.text of the current paragraph and of
        the current line and current character (number of characters since the
        start of the paragraph) within the paragraph

        Returns: namedtuple (para_index, line_index, char_index)

        """
        idx_para = idx_buffer = idx_line = idx_char = 0
        done = False
        for para in self.text:
            for idx_line, line in enumerate(para):
                if idx_buffer == self.buffer_idx_y:
                    done = True
                    break
                idx_buffer += 1
            if done is True:
                break
            idx_para += 1
        idx_char = sum(map(len, self.text[idx_para][:idx_line])) + \
            self.buffer_idx_x
        p = namedtuple("para", ['para_index', 'line_index', 'char_index'])
        return p(idx_para, idx_line, idx_char)