xar unarchiver (.xar, .pkg, .xip)
fix TOC parsing and remove SliceIO
+7
-23
+7
-23
czar.cr
+7
-23
czar.cr
···
36
36
BZIP2
37
37
end
38
38
39
-
class SliceIO < IO
40
-
def initialize(@slice : Bytes)
41
-
end
42
-
43
-
def read(slice : Bytes)
44
-
slice.size.times { |i| slice[i] = @slice[i] }
45
-
@slice += slice.size
46
-
slice.size
47
-
end
48
-
49
-
def write(slice : Bytes)
50
-
slice.size.times { |i| @slice[i] = slice[i] }
51
-
@slice += slice.size
52
-
nil
53
-
end
54
-
55
-
def to_slice
56
-
@slice
57
-
end
58
-
end
59
-
60
39
class XARHeader < BinaryParser
61
40
endian :big
62
41
string :magic, {count: 4}
···
181
160
zfile.read toc_data
182
161
end
183
162
184
-
xar_xml = XML.parse SliceIO.new toc_data
185
-
toc = xml_select(xml_select(xar_xml, "xar").first, "toc").first
163
+
xar_xml = XML.parse String.new(toc_data)
164
+
xar_obj = xml_select(xar_xml, "xar")
165
+
perror "empty xar object" if xar_obj.empty?
166
+
167
+
tocs = xml_select(xar_obj.first, "toc")
168
+
perror "empty TOC" if tocs.empty?
169
+
toc = tocs.first
186
170
187
171
puts "reading TOC"
188
172
xar = XAR.new