blob: c89ae704f19eb06fe40d774da88952571be7899a (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
from scanner import StringScanner, StringRegexp
import re
def _next_token():
return StringRegexp('[^\s]+')
def _separators():
return StringRegexp('[\s&]+')
def _compile_tag(compiled, token):
tag = token.split(":").pop()
if token[0] == "-":
compiled["not_tags"].append(tag)
else:
compiled["tags"].append(tag)
return compiled
class SearchQuery:
@staticmethod
def compile(query):
compiled = {"tags": [], "not_tags": []}
sanitized_query = re.sub(r"['\"]", "", query.encode('utf8'))
scanner = StringScanner(sanitized_query)
first_token = True
while not scanner.is_eos:
token = scanner.scan(_next_token())
if not token:
scanner.skip(_separators())
continue
if ":" in token:
compiled = _compile_tag(compiled, token)
elif first_token:
compiled["general"] = token
if not first_token:
first_token = True
return compiled
|
