diff options
Diffstat (limited to 'misc/ninja.py')
| -rw-r--r-- | misc/ninja.py | 26 |
1 files changed, 21 insertions, 5 deletions
diff --git a/misc/ninja.py b/misc/ninja.py index 38b13c9..2c9d818 100644 --- a/misc/ninja.py +++ b/misc/ninja.py @@ -55,12 +55,28 @@ class Writer(object): return outputs def _line(self, text, indent=0): + """Write 'text' word-wrapped at self.width characters.""" + leading_space = ' ' * indent while len(text) > self.width: - space = text.rfind(' ', 0, self.width - 4) - assert space != -1 # TODO: handle if no space found. - self.output.write(text[0:space] + ' $\n') - text = ' ' * (indent+2) + text[space:].lstrip() - self.output.write(text + '\n') + # The text is too wide; wrap if possible. + + # Find the rightmost space that would obey our width constraint. + available_space = self.width - len(leading_space) - len(' $') + space = text.rfind(' ', 0, available_space) + if space < 0: + # No such space; just use the first space we can find. + space = text.find(' ', available_space) + if space < 0: + # Give up on breaking. + break + + self.output.write(leading_space + text[0:space] + ' $\n') + text = text[space+1:] + + # Subsequent lines are continuations, so indent them. + leading_space = ' ' * (indent+2) + + self.output.write(leading_space + text + '\n') def _as_list(self, input): if input is None: |