Builds list of text lines by splitting text lines at wrap point This function will determine if the input text line needs to be wrapped (split) into separate lines. If so, the first wrap point will be determined and the first line appended to the output text li
(self,data_list,line_num,text)
| 1753 | return fromlines,tolines |
| 1754 | |
| 1755 | def _split_line(self,data_list,line_num,text): |
| 1756 | """Builds list of text lines by splitting text lines at wrap point |
| 1757 | |
| 1758 | This function will determine if the input text line needs to be |
| 1759 | wrapped (split) into separate lines. If so, the first wrap point |
| 1760 | will be determined and the first line appended to the output |
| 1761 | text line list. This function is used recursively to handle |
| 1762 | the second part of the split line to further split it. |
| 1763 | """ |
| 1764 | # if blank line or context separator, just add it to the output list |
| 1765 | if not line_num: |
| 1766 | data_list.append((line_num,text)) |
| 1767 | return |
| 1768 | |
| 1769 | # if line text doesn't need wrapping, just add it to the output list |
| 1770 | size = len(text) |
| 1771 | max = self._wrapcolumn |
| 1772 | if (size <= max) or ((size -(text.count('\0')*3)) <= max): |
| 1773 | data_list.append((line_num,text)) |
| 1774 | return |
| 1775 | |
| 1776 | # scan text looking for the wrap point, keeping track if the wrap |
| 1777 | # point is inside markers |
| 1778 | i = 0 |
| 1779 | n = 0 |
| 1780 | mark = '' |
| 1781 | while n < max and i < size: |
| 1782 | if text[i] == '\0': |
| 1783 | i += 1 |
| 1784 | mark = text[i] |
| 1785 | i += 1 |
| 1786 | elif text[i] == '\1': |
| 1787 | i += 1 |
| 1788 | mark = '' |
| 1789 | else: |
| 1790 | i += 1 |
| 1791 | n += 1 |
| 1792 | |
| 1793 | # wrap point is inside text, break it up into separate lines |
| 1794 | line1 = text[:i] |
| 1795 | line2 = text[i:] |
| 1796 | |
| 1797 | # if wrap point is inside markers, place end marker at end of first |
| 1798 | # line and start marker at beginning of second line because each |
| 1799 | # line will have its own table tag markup around it. |
| 1800 | if mark: |
| 1801 | line1 = line1 + '\1' |
| 1802 | line2 = '\0' + mark + line2 |
| 1803 | |
| 1804 | # tack on first line onto the output list |
| 1805 | data_list.append((line_num,line1)) |
| 1806 | |
| 1807 | # use this routine again to wrap the remaining text |
| 1808 | self._split_line(data_list,'>',line2) |
| 1809 | |
| 1810 | def _line_wrapper(self,diffs): |
| 1811 | """Returns iterator that splits (wraps) mdiff text lines""" |
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