blob: 95100935ae1538adbffd665861215d3e34061109 (
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
46
47
48
49
50
51
52
53
|
root = exports ? window
RegexpCache =
cache: {}
clear: -> @cache = {}
get: (pattern) ->
if regexp = @cache[pattern]
regexp
else
@cache[pattern] =
# We use try/catch to ensure that a broken regexp doesn't wholly cripple Vimium.
try
new RegExp("^" + pattern.replace(/\*/g, ".*") + "$")
catch
/^$/ # Match the empty string.
# The Exclusions class manages the exclusion rule setting.
# An exclusion is an object with two attributes: pattern and passKeys.
# The exclusions are an array of such objects.
root.Exclusions = Exclusions =
# Make RegexpCache, which is required on the page popup, accessible via the Exclusions object.
RegexpCache: RegexpCache
rules: Settings.get("exclusionRules")
# Merge the matching rules for URL, or null. In the normal case, we use the configured @rules; hence, this
# is the default. However, when called from the page popup, we are testing what effect candidate new rules
# would have on the current tab. In this case, the candidate rules are provided by the caller.
getRule: (url, rules=@rules) ->
matches = (rule for rule in rules when rule.pattern and 0 <= url.search(RegexpCache.get(rule.pattern)))
# An absolute exclusion rule (with no passKeys) takes priority.
for rule in matches
return rule unless rule.passKeys
# Strip whitespace from all matching passKeys strings, and join them together.
passKeys = (rule.passKeys.split(/\s+/).join "" for rule in matches).join ""
if 0 < matches.length
pattern: (rule.pattern for rule in matches).join " | " # Not used; for debugging only.
passKeys: Utils.distinctCharacters passKeys
else
null
setRules: (rules) ->
# Callers map a rule to null to have it deleted, and rules without a pattern are useless.
@rules = rules.filter (rule) -> rule and rule.pattern
Settings.set("exclusionRules", @rules)
postUpdateHook: (@rules) ->
RegexpCache.clear()
# Register postUpdateHook for exclusionRules setting.
Settings.postUpdateHooks["exclusionRules"] = (value) ->
Exclusions.postUpdateHook value
|
