# Data ::= "[^;\r\n"]*"
class Data(Identifier):
__default_regex__ = r'[^;\r\n"]*'
__whitespaces__ = []
def onMatch(self, context):
context.rows[-1].append(self.id)
# Row ::= Data [Separator Data]* EOL
class Row(Group):
__group__ = [Data, Group([Separator, Data], min=0, max=-1), EOL]
def onMatch(self, context):
context.rows.append([])
# CSV ::= [Row]+
class CSV(Group):
__group__ = Group([Row], max=-1)
context = Context('test.csv')
context.rows = [[]]
csv.parse(context)
print "Found rows:"
for i, row in enumerate(c.rows):
print str(i) + ": " + ''.join(str(col) + '|' for col in row)
class Data(Identifier):
__default_regex__ = r'[^;\r\n"]*'
__whitespaces__ = []
def onMatch(self, context):
context.rows[-1].append(self.id)
# Row ::= Data [Separator Data]* EOL
class Row(Group):
__group__ = [Data, Group([Separator, Data], min=0, max=-1), EOL]
def onMatch(self, context):
context.rows.append([])
# CSV ::= [Row]+
class CSV(Group):
__group__ = Group([Row], max=-1)
csv = CSV()
print "CSV:", csv
from bnf import Context
c = Context('test.csv')
c.rows = [[]]
csv.parse(c)
print "Found rows:"
for i, row in enumerate(c.rows):
print str(i) + ": " + ''.join(("%-10s" % col) for col in row)
def onMatch(self, context):
context.rows[-1].append(self.id)
# Row ::= Data [Separator Data]* EOL
class Row(Group):
__group__ = [Data, Group([Separator, Data], min=0, max=-1), EOL]
def onMatch(self, context):
context.rows.append([])
# CSV ::= [Row]+
class CSV(Group):
__group__ = Group([Row], max=-1)
csv = CSV()
print "CSV:", csv
from bnf import Context
c = Context('test.csv')
c.rows = [[]]
csv.parse(c)
print "Found rows:"
for i, row in enumerate(c.rows):
print str(i) + ": " + ''.join(("%-10s" % col) for col in row)
def __init__(self, filename):
BaseContext.__init__(self, filename)
self._scopes = {}
self._expressions = []
#!/usr/bin/env python
from bnf import Context
from bnf import Literal
# Language ::= "Hello, World!"
class Language(Literal):
__token__ = "Hello, World!"
if __name__ == '__main__':
context = Context('filename')
language = Language()
language.parse(context)
class EOL(Identifier):
__default_regex__ = r'[\r\n]+'
__whitespaces__ = []
# Data ::= "[^;\r\n"]*"
class Data(Identifier):
__default_regex__ = r'[^;\r\n"]*'
__whitespaces__ = []
def onMatch(self, context):
context.rows[-1].append(self.id)
# Row ::= Data [Separator Data]* EOL
class Row(Group):
__group__ = [Data, Group([Separator, Data], min=0, max=-1), EOL]
def onMatch(self, context):
context.rows.append([])
# CSV ::= [Row]+
class CSV(Group):
__group__ = Group([Row], max=-1)
context = Context('test.csv')
context.rows = [[]]
csv.parse(context)
print "Found rows:"
for i, row in enumerate(c.rows):
print str(i) + ": " + ''.join(str(col) +'|' for col in row)
