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
|
// Licensed under the Apache License, Version 2.0 (the "License"); you may not
// use this file except in compliance with the License. You may obtain a copy of
// the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
var sandbox = null;
function init_sandbox() {
try {
// if possible, use evalcx (not always available)
sandbox = evalcx('');
sandbox.emit = Views.emit;
sandbox.sum = Views.sum;
sandbox.log = log;
sandbox.toJSON = Couch.toJSON;
sandbox.JSON = JSON;
sandbox.provides = Mime.provides;
sandbox.registerType = Mime.registerType;
sandbox.start = Render.start;
sandbox.send = Render.send;
sandbox.getRow = Render.getRow;
} catch (e) {
log(e.toSource());
}
};
init_sandbox();
// Commands are in the form of json arrays:
// ["commandname",..optional args...]\n
//
// Responses are json values followed by a new line ("\n")
var DDoc = (function() {
var ddoc_dispatch = {
"lists" : Render.list,
"shows" : Render.show,
"filters" : Filter.filter,
"updates" : Render.update,
"validate_doc_update" : Validate.validate
};
var ddocs = {};
return {
ddoc : function() {
var args = [];
for (var i=0; i < arguments.length; i++) {
args.push(arguments[i]);
};
var ddocId = args.shift();
if (ddocId == "new") {
// get the real ddocId.
ddocId = args.shift();
// store the ddoc, functions are lazily compiled.
ddocs[ddocId] = args.shift();
print("true");
} else {
// Couch makes sure we know this ddoc already.
var ddoc = ddocs[ddocId];
if (!ddoc) throw(["fatal", "query_protocol_error", "uncached design doc: "+ddocId]);
var funPath = args.shift();
var cmd = funPath[0];
// the first member of the fun path determines the type of operation
var funArgs = args.shift();
if (ddoc_dispatch[cmd]) {
// get the function, call the command with it
var point = ddoc;
for (var i=0; i < funPath.length; i++) {
if (i+1 == funPath.length) {
fun = point[funPath[i]]
if (typeof fun != "function") {
fun = Couch.compileFunction(fun, ddoc);
// cache the compiled fun on the ddoc
point[funPath[i]] = fun
};
} else {
point = point[funPath[i]]
}
};
// run the correct responder with the cmd body
ddoc_dispatch[cmd].apply(null, [fun, ddoc, funArgs]);
} else {
// unknown command, quit and hope the restarted version is better
throw(["fatal", "unknown_command", "unknown ddoc command '" + cmd + "'"]);
}
}
}
};
})();
var Loop = function() {
var line, cmd, cmdkey, dispatch = {
"ddoc" : DDoc.ddoc,
// "view" : Views.handler,
"reset" : State.reset,
"add_fun" : State.addFun,
"map_doc" : Views.mapDoc,
"reduce" : Views.reduce,
"rereduce" : Views.rereduce
};
function handleError(e) {
var type = e[0];
if (type == "fatal") {
e[0] = "error"; // we tell the client it was a fatal error by dying
respond(e);
quit(-1);
} else if (type == "error") {
respond(e);
} else if (e.error && e.reason) {
// compatibility with old error format
respond(["error", e.error, e.reason]);
} else {
respond(["error","unnamed_error",e.toSource()]);
}
};
while (line = readline()) {
cmd = eval('('+line+')');
State.line_length = line.length;
try {
cmdkey = cmd.shift();
if (dispatch[cmdkey]) {
// run the correct responder with the cmd body
dispatch[cmdkey].apply(null, cmd);
} else {
// unknown command, quit and hope the restarted version is better
throw(["fatal", "unknown_command", "unknown command '" + cmdkey + "'"]);
}
} catch(e) {
handleError(e);
}
};
};
Loop();
|
