def collect(self, items, matcher: TGAbstractMatcher,
transformer: TGAbstractBaseTransformer):
results = []
for item in items:
if matcher.is_match(item):
results.append(transformer.transform(item))
return results
def react_to_first_match(self,
items,
matcher: TGAbstractMatcher,
reaction: TGAbstractReaction,
on_no_match=DO_NOTHING):
for item in items:
if matcher.is_match(item):
reaction.react_to(item)
return
on_no_match.execute()
def any_satisfy(self, items, matcher: TGAbstractMatcher):
for item in items:
if matcher.is_match(item):
return True
return False
def select(self, items, matcher: TGAbstractMatcher):
results = []
for item in items:
if matcher.is_match(item):
results.append(item)
return results
def react_to_matches(self, items, matcher: TGAbstractMatcher,
reaction: TGAbstractReaction):
for item in items:
if matcher.is_match(item):
reaction.react_to(item)
def first_match(self, items, matcher: TGAbstractMatcher, default_item):
for item in items:
if matcher.is_match(item):
return item
return default_item
def count(self, items, matcher: TGAbstractMatcher):
count = 0
for item in items:
if matcher.is_match(item):
count += 1
return count