diff options
Diffstat (limited to 'Lib/formatter.py')
| -rw-r--r-- | Lib/formatter.py | 27 |
1 files changed, 15 insertions, 12 deletions
diff --git a/Lib/formatter.py b/Lib/formatter.py index 0266379..c192e20 100644 --- a/Lib/formatter.py +++ b/Lib/formatter.py @@ -10,7 +10,7 @@ AS_IS = None class NullFormatter: - def __init__(self): pass + def __init__(self, writer): pass def end_paragraph(self, blankline): pass def add_line_break(self): pass def add_hor_rule(self, abswidth=None, percentwidth=1.0, @@ -33,6 +33,11 @@ class NullFormatter: class AbstractFormatter: + # Space handling policy: blank spaces at the boundary between elements + # are handled by the outermost context. "Literal" data is not checked + # to determine context, so spaces in literal data are handled directly + # in all circumstances. + def __init__(self, writer): self.writer = writer # Output device self.align = None # Current alignment @@ -162,7 +167,8 @@ class AbstractFormatter: def add_literal_data(self, data): if not data: return - # Caller is expected to cause flush_softspace() if needed. + if self.softspace: + self.writer.send_flowing_data(" ") self.hard_break = data[-1:] == '\n' self.nospace = self.para_end = self.softspace = \ self.parskip = self.have_label = 0 @@ -170,8 +176,9 @@ class AbstractFormatter: def flush_softspace(self): if self.softspace: - self.hard_break = self.nospace = self.para_end = self.parskip = \ + self.hard_break = self.para_end = self.parskip = \ self.have_label = self.softspace = 0 + self.nospace = 1 self.writer.send_flowing_data(' ') def push_alignment(self, align): @@ -194,7 +201,8 @@ class AbstractFormatter: def push_font(self, (size, i, b, tt)): if self.softspace: - self.hard_break = self.nospace = self.para_end = self.softspace = 0 + self.hard_break = self.para_end = self.softspace = 0 + self.nospace = 1 self.writer.send_flowing_data(' ') if self.font_stack: csize, ci, cb, ctt = self.font_stack[-1] @@ -207,9 +215,6 @@ class AbstractFormatter: self.writer.new_font(font) def pop_font(self): - if self.softspace: - self.hard_break = self.nospace = self.para_end = self.softspace = 0 - self.writer.send_flowing_data(' ') if self.font_stack: del self.font_stack[-1] if self.font_stack: @@ -241,22 +246,20 @@ class AbstractFormatter: def push_style(self, *styles): if self.softspace: - self.hard_break = self.nospace = self.para_end = self.softspace = 0 + self.hard_break = self.para_end = self.softspace = 0 + self.nospace = 1 self.writer.send_flowing_data(' ') for style in styles: self.style_stack.append(style) self.writer.new_styles(tuple(self.style_stack)) def pop_style(self, n=1): - if self.softspace: - self.hard_break = self.nospace = self.para_end = self.softspace = 0 - self.writer.send_flowing_data(' ') del self.style_stack[-n:] self.writer.new_styles(tuple(self.style_stack)) def assert_line_data(self, flag=1): self.nospace = self.hard_break = not flag - self.para_end = self.have_label = 0 + self.para_end = self.parskip = self.have_label = 0 class NullWriter: |