diff options
Diffstat (limited to 'emitter.py')
| -rw-r--r-- | emitter.py | 32 |
1 files changed, 22 insertions, 10 deletions
@@ -50,7 +50,8 @@ class Emitter(object): MAX_SIMPLE_KEY_LENGTH = 128 def __init__(self, stream, canonical=None, indent=None, width=None, - allow_unicode=None, line_break=None, block_seq_indent=None): + allow_unicode=None, line_break=None, block_seq_indent=None, + top_level_colon_align=None, prefix_colon=None): # The stream should have the methods `write` and possibly `flush`. self.stream = stream @@ -93,10 +94,15 @@ class Emitter(object): # Whether the document requires an explicit document indicator self.open_ended = False + # colon handling + self.colon = u':' + self.prefixed_colon = self.colon if prefix_colon is None else prefix_colon + self.colon + # Formatting details. self.canonical = canonical self.allow_unicode = allow_unicode self.block_seq_indent = block_seq_indent if block_seq_indent else 0 + self.top_level_colon_align = top_level_colon_align self.best_indent = 2 if indent and 1 < indent < 10: self.best_indent = indent @@ -162,7 +168,7 @@ class Emitter(object): return False return (len(self.events) < count+1) - def increase_indent(self, flow=False, indentless=False): + def increase_indent(self, flow=False, sequence=None, indentless=False): self.indents.append(self.indent) if self.indent is None: if flow: @@ -311,7 +317,7 @@ class Emitter(object): def expect_flow_sequence(self): self.write_indicator(u'[', True, whitespace=True) self.flow_level += 1 - self.increase_indent(flow=True) + self.increase_indent(flow=True, sequence=True) self.state = self.expect_first_flow_sequence_item def expect_first_flow_sequence_item(self): @@ -350,7 +356,7 @@ class Emitter(object): def expect_flow_mapping(self): self.write_indicator(u'{', True, whitespace=True) self.flow_level += 1 - self.increase_indent(flow=True) + self.increase_indent(flow=True, sequence=False) self.state = self.expect_first_flow_mapping_key def expect_first_flow_mapping_key(self): @@ -400,14 +406,14 @@ class Emitter(object): self.expect_node(mapping=True) def expect_flow_mapping_simple_value(self): - self.write_indicator(u':', False) + self.write_indicator(self.prefixed_colon, False) self.states.append(self.expect_flow_mapping_key) self.expect_node(mapping=True) def expect_flow_mapping_value(self): if self.canonical or self.column > self.best_width: self.write_indent() - self.write_indicator(u':', True) + self.write_indicator(self.prefixed_colon, True) self.states.append(self.expect_flow_mapping_key) self.expect_node(mapping=True) @@ -415,7 +421,7 @@ class Emitter(object): def expect_block_sequence(self): indentless = (self.mapping_context and not self.indention) - self.increase_indent(flow=False, indentless=indentless) + self.increase_indent(flow=False, sequence=True, indentless=indentless) self.state = self.expect_first_block_sequence_item def expect_first_block_sequence_item(self): @@ -440,7 +446,7 @@ class Emitter(object): # Block mapping handlers. def expect_block_mapping(self): - self.increase_indent(flow=False) + self.increase_indent(flow=False, sequence=False) self.state = self.expect_first_block_mapping_key def expect_first_block_mapping_key(self): @@ -470,13 +476,19 @@ class Emitter(object): def expect_block_mapping_simple_value(self): if getattr(self.event, 'style', None) != '?': - self.write_indicator(u':', False) + prefix = u'' + if self.indent == 0 and self.top_level_colon_align is not None: + # write non-prefixed colon + c = u' ' * (self.top_level_colon_align - self.column) + self.colon + else: + c = self.prefixed_colon + self.write_indicator(c, False) self.states.append(self.expect_block_mapping_key) self.expect_node(mapping=True) def expect_block_mapping_value(self): self.write_indent() - self.write_indicator(u':', True, indention=True) + self.write_indicator(self.prefixed_colon, True, indention=True) self.states.append(self.expect_block_mapping_key) self.expect_node(mapping=True) |