1# This Source Code Form is subject to the terms of the Mozilla Public
2# License, v. 2.0. If a copy of the MPL was not distributed with this
3# file, You can obtain one at http://mozilla.org/MPL/2.0/.
4
5from __future__ import absolute_import, print_function
6
7from collections import defaultdict
8
9try:
10    import urlparse
11except ImportError:
12    import urllib.parse as urlparse
13
14from mozpack.chrome.manifest import (
15    Manifest,
16    ManifestChrome,
17    ManifestOverride,
18    ManifestResource,
19    parse_manifest,
20)
21import mozpack.path as mozpath
22
23
24class ChromeManifestHandler(object):
25    def __init__(self):
26        self.overrides = {}
27        self.chrome_mapping = defaultdict(set)
28
29    def handle_manifest_entry(self, entry):
30        format_strings = {
31            "content": "chrome://%s/content/",
32            "resource": "resource://%s/",
33            "locale": "chrome://%s/locale/",
34            "skin": "chrome://%s/skin/",
35        }
36
37        if isinstance(entry, (ManifestChrome, ManifestResource)):
38            if isinstance(entry, ManifestResource):
39                dest = entry.target
40                url = urlparse.urlparse(dest)
41                if not url.scheme:
42                    dest = mozpath.normpath(mozpath.join(entry.base, dest))
43                if url.scheme == "file":
44                    dest = mozpath.normpath(url.path)
45            else:
46                dest = mozpath.normpath(entry.path)
47
48            base_uri = format_strings[entry.type] % entry.name
49            self.chrome_mapping[base_uri].add(dest)
50        if isinstance(entry, ManifestOverride):
51            self.overrides[entry.overloaded] = entry.overload
52        if isinstance(entry, Manifest):
53            for e in parse_manifest(None, entry.path):
54                self.handle_manifest_entry(e)
55