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
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
|
var fs = require("fs"),
pth = require('path');
fs.existsSync = fs.existsSync || pth.existsSync;
module.exports = (function() {
var crcTable = [],
Constants = require('./constants'),
Errors = require('./errors'),
PATH_SEPARATOR = pth.normalize("/");
function mkdirSync(/*String*/path) {
var resolvedPath = path.split(PATH_SEPARATOR)[0];
path.split(PATH_SEPARATOR).forEach(function(name) {
if (!name || name.substr(-1,1) == ":") return;
resolvedPath += PATH_SEPARATOR + name;
var stat;
try {
stat = fs.statSync(resolvedPath);
} catch (e) {
fs.mkdirSync(resolvedPath);
}
if (stat && stat.isFile())
throw Errors.FILE_IN_THE_WAY.replace("%s", resolvedPath);
});
}
function findSync(/*String*/root, /*RegExp*/pattern, /*Boolean*/recoursive) {
if (typeof pattern === 'boolean') {
recoursive = pattern;
pattern = undefined;
}
var files = [];
fs.readdirSync(root).forEach(function(file) {
var path = pth.join(root, file);
if (fs.statSync(path).isDirectory() && recoursive)
files = files.concat(findSync(path, pattern, recoursive));
if (!pattern || pattern.test(path)) {
files.push(pth.normalize(path) + (fs.statSync(path).isDirectory() ? PATH_SEPARATOR : ""));
}
});
return files;
}
return {
makeDir : function(/*String*/path) {
mkdirSync(path);
},
crc32 : function(buf) {
var b = new Buffer(4);
if (!crcTable.length) {
for (var n = 0; n < 256; n++) {
var c = n;
for (var k = 8; --k >= 0;) //
if ((c & 1) != 0) { c = 0xedb88320 ^ (c >>> 1); } else { c = c >>> 1; }
if (c < 0) {
b.writeInt32LE(c, 0);
c = b.readUInt32LE(0);
}
crcTable[n] = c;
}
}
var crc = 0, off = 0, len = buf.length, c1 = ~crc;
while(--len >= 0) c1 = crcTable[(c1 ^ buf[off++]) & 0xff] ^ (c1 >>> 8);
crc = ~c1;
b.writeInt32LE(crc & 0xffffffff, 0);
return b.readUInt32LE(0);
},
methodToString : function(/*Number*/method) {
switch (method) {
case Constants.STORED:
return 'STORED (' + method + ')';
case Constants.DEFLATED:
return 'DEFLATED (' + method + ')';
default:
return 'UNSUPPORTED (' + method + ')'
}
},
writeFileTo : function(/*String*/path, /*Buffer*/content, /*Boolean*/overwrite, /*Number*/attr) {
if (fs.existsSync(path)) {
if (!overwrite)
return false; // cannot overwite
var stat = fs.statSync(path);
if (stat.isDirectory()) {
return false;
}
}
var folder = pth.dirname(path);
if (!fs.existsSync(folder)) {
mkdirSync(folder);
}
var fd;
try {
fd = fs.openSync(path, 'w', 438); // 0666
} catch(e) {
fs.chmodSync(path, 438);
fd = fs.openSync(path, 'w', 438);
}
if (fd) {
fs.writeSync(fd, content, 0, content.length, 0);
fs.closeSync(fd);
}
fs.chmodSync(path, attr || 438);
return true;
},
findFiles : function(/*String*/path) {
return findSync(path, true);
},
getAttributes : function(/*String*/path) {
},
setAttributes : function(/*String*/path) {
},
toBuffer : function(input) {
if (Buffer.isBuffer(input)) {
return input;
} else {
if (input.length == 0) {
return new Buffer(0)
}
return new Buffer(input, 'utf8');
}
},
Constants : Constants,
Errors : Errors
}
})();
|
