def parse_block(self):
node = nodes.Block(lineno=next(self.stream).lineno)
node.name = self.stream.expect('name').value
node.scoped = self.stream.skip_if('name:scoped')
# common problem people encounter when switching from django
# to jinja. we do not support hyphens in block names, so let's
# raise a nicer error message in that case.
if self.stream.current.type == 'sub':
self.fail('Block names in Jinja have to be valid Python '
'identifiers and may not contain hyphens, use an '
'underscore instead.')
node.body = self.parse_statements(('name:endblock', ),
drop_needle=True)
self.stream.skip_if('name:' + node.name)
return node
def parseExpr(self):
t = self.peek().type
if 'yield' == t:
self.advance()
block = nodes.Block()
block._yield = True
return block
elif t in ('id', 'class'):
tok = self.advance()
self.lexer.defer(self.lexer.tok('tag', 'div'))
self.lexer.defer(tok)
return self.parseExpr()
funcName = 'parse%s' % t.capitalize()
if hasattr(self, funcName): return getattr(self, funcName)()
else: raise Exception('unexpected token "%s"' % t)
def parse(self):
block = nodes.Block()
parser = None
block.line = self.line()
while 'eos' != self.peek().type:
if 'newline' == self.peek().type: self.advance()
else: block.append(self.parseExpr())
parser = self.extending
if parser:
self.context(parser)
ast = parser.parse()
self.context()
return ast
return block
def parse_block(self):
lineno = self.token_stream.expect('name:block').lineno
name = self.token_stream.expect('name').value
body = self.parse_statements(end_tokens=('name:endblock', ))
self.token_stream.skip_if('name:' + name)
return nodes.Block(name, body, lineno=lineno)
def parseBlockExpansion(self):
if ':' == self.peek().type:
self.advance()
return nodes.Block(self.parseExpr())
else:
return self.block()
def parseTag(self):
i = 2
if 'attrs' == self.lookahead(i).type: i += 1
if ':' == self.lookahead(i).type:
if 'indent' == self.lookahead(i + 1).type:
return self.parseASTFilter
name = self.advance().val
tag = nodes.Tag(name)
dot = None
tag.line = self.line()
while True:
t = self.peek().type
if t in ('id', 'class'):
tok = self.advance()
tag.setAttribute(tok.type, "'%s'" % tok.val)
continue
elif 'attrs' == t:
obj = self.advance().attrs
for n, v in obj.iteritems():
tag.setAttribute(n, v)
continue
else:
break
if '.' == self.peek().val:
dot = tag.textOnly = True
self.advance()
t = self.peek().type
if 'text' == t: tag.text = self.parseText()
elif 'code' == t: tag.code = self.parseCode()
elif ':' == t:
self.advance()
tag.block = nodes.Block()
tag.block.append(self.parseExpr())
while 'newline' == self.peek().type:
self.advance()
tag.textOnly = tag.textOnly or tag.name in textOnly
if 'script' == tag.name:
type = tag.getAttribute('type')
if not dot and type and 'text/javascript' != type.strip('"\''):
tag.textOnly = False
if 'indent' == self.peek().type:
if tag.textOnly:
self.lexer.pipeless = True
tag.block = self.parseTextBlock()
self.lexer.pipeless = False
else:
block = self.block()
if tag.block:
for node in block.nodes:
tag.block.append(node)
else:
tag.block = block
return tag
