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from reconfigure.nodes import *
from reconfigure.parsers import BaseParser
class SquidParser (BaseParser):
"""
A parser for Squid configs
"""
def parse(self, content):
lines = filter(None, [x.strip() for x in content.splitlines()])
root = RootNode()
last_comment = None
for line in lines:
line = line.strip()
if line.startswith('#'):
c = line.strip('#').strip()
if last_comment:
last_comment += '\n' + c
else:
last_comment = c
continue
if len(line) == 0:
continue
tokens = line.split()
node = Node('line', Node('arguments'))
if last_comment:
node.comment = last_comment
last_comment = None
index = 0
for token in tokens:
if token.startswith('#'):
node.comment = ' '.join(tokens[tokens.index(token):])[1:].strip()
break
if index == 0:
node.set_property('name', token)
else:
node.get('arguments').set_property(str(index), token)
index += 1
root.append(node)
return root
def stringify(self, tree):
r = ''
for node in tree.children:
if node.comment and '\n' in node.comment:
r += ''.join('%s %s\n' % ('#', x) for x in node.comment.splitlines())
r += node.get('name').value + ' ' + ' '.join(x.value for x in node.get('arguments').children)
if node.comment and not '\n' in node.comment:
r += ' # %s' % node.comment
r += '\n'
return r
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