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reference.cc
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/*
* Copyright 2011, Tim Branyen @tbranyen <tim@tabdeveloper.com>
* @author Michael Robinson @codeofinterest <mike@pagesofinterest.net>
*
* Dual licensed under the MIT and GPL licenses.
*/
#
include
<
v8.h
>
#
include
<
node.h
>
#
include
<
string
>
#
include
"
git2.h
"
#
include
"
../include/repo.h
"
#
include
"
../include/reference.h
"
#
include
"
../include/oid.h
"
#
include
"
../include/error.h
"
#
include
"
../include/functions/string.h
"
#
include
"
../include/functions/utilities.h
"
using
namespace
v8
;
using
namespace
node
;
void
GitReference::Initialize
(Handle<Object> target) {
HandleScope scope;
Local<FunctionTemplate> tpl =
FunctionTemplate::New
(New);
tpl->
InstanceTemplate
()->
SetInternalFieldCount
(
1
);
tpl->
SetClassName
(
String::NewSymbol
(
"
Reference
"
));
NODE_SET_PROTOTYPE_METHOD
(tpl,
"
oid
"
, Oid);
NODE_SET_PROTOTYPE_METHOD
(tpl,
"
lookup
"
, Lookup);
constructor_template = Persistent<Function>::
New
(tpl->
GetFunction
());
target->
Set
(
String::NewSymbol
(
"
Reference
"
), constructor_template);
}
git_reference*
GitReference::GetValue
() {
return
this
->
ref
;
}
void
GitReference::SetValue
(git_reference *ref) {
this
->
ref
= ref;
}
Handle<Value>
GitReference::New
(
const
Arguments& args) {
HandleScope scope;
GitReference *ref =
new
GitReference
();
ref->
Wrap
(args.
This
());
return
args.
This
();
}
Handle<Value>
GitReference::Oid
(
const
Arguments& args) {
HandleScope scope;
if
(args.
Length
() ==
0
|| !args[
0
]->
IsFunction
()) {
return
ThrowException
(
Exception::Error
(
String::New
(
"
Callback is required and must be a Function.
"
)));
}
OidBaton *baton =
new
OidBaton;
baton->
request
.
data
= baton;
baton->
error
=
NULL
;
baton->
rawOid
=
NULL
;
baton->
rawRef
= ObjectWrap::Unwrap<GitReference>(args.
This
())->
GetValue
();
baton->
callback
= Persistent<Function>::
New
(Local<Function>::
Cast
(args[
0
]));
uv_queue_work
(
uv_default_loop
(), &baton->
request
, OidWork, (uv_after_work_cb)OidAfterWork);
return
Undefined
();
}
void
GitReference::OidWork
(
uv_work_t
* req) {
OidBaton *baton =
static_cast
<OidBaton *>(req->
data
);
git_ref_t
referenceType =
git_reference_type
(baton->
rawRef
);
if
(referenceType ==
GIT_REF_INVALID
) {
giterr_set_str
(
GITERR_INVALID
,
"
Invalid reference type
"
);
baton->
error
=
giterr_last
();
return
;
}
if
(referenceType ==
GIT_REF_SYMBOLIC
) {
int
returnCode =
git_reference_resolve
(&baton->
rawRef
, baton->
rawRef
);
if
(returnCode !=
GIT_OK
) {
baton->
error
=
giterr_last
();
return
;
}
}
baton->
rawOid
=
git_reference_target
(baton->
rawRef
);
}
void
GitReference::OidAfterWork
(
uv_work_t
* req) {
HandleScope scope;
OidBaton *baton =
static_cast
<OidBaton *>(req->
data
);
if
(
success
(baton->
error
, baton->
callback
)) {
Handle<Object> oid = GitOid::constructor_template->
NewInstance
();
GitOid *oidInstance = ObjectWrap::Unwrap<GitOid>(oid);
oidInstance->
SetValue
(*
const_cast
<git_oid *>(baton->
rawOid
));
Handle<Value> argv[
2
] = {
Local<Value>::
New
(
Null
()),
oid
};
TryCatch try_catch;
baton->
callback
->
Call
(
Context::GetCurrent
()->
Global
(),
2
, argv);
if
(try_catch.
HasCaught
()) {
node::FatalException
(try_catch);
}
}
delete
req;
}
Handle<Value>
GitReference::Lookup
(
const
Arguments& args) {
HandleScope scope;
if
(args.
Length
() ==
0
|| !args[
0
]->
IsObject
()) {
return
ThrowException
(
Exception::Error
(
String::New
(
"
Repo is required and must be a Object.
"
)));
}
if
(args.
Length
() ==
1
|| !args[
1
]->
IsString
()) {
return
ThrowException
(
Exception::Error
(
String::New
(
"
Name is required and must be a String.
"
)));
}
if
(args.
Length
() ==
2
|| !args[
2
]->
IsFunction
()) {
return
ThrowException
(
Exception::Error
(
String::New
(
"
Callback is required and must be a Function.
"
)));
}
LookupBaton *baton =
new
LookupBaton;
baton->
request
.
data
= baton;
baton->
ref
= ObjectWrap::Unwrap<GitReference>(args.
This
());
baton->
ref
->
Ref
();
baton->
error
=
NULL
;
baton->
rawRepo
= ObjectWrap::Unwrap<GitRepo>(args[
0
]->
ToObject
())->
GetValue
();
baton->
name
=
stringArgToString
(args[
1
]->
ToString
());
baton->
callback
= Persistent<Function>::
New
(Local<Function>::
Cast
(args[
2
]));
uv_queue_work
(
uv_default_loop
(), &baton->
request
, LookupWork, (uv_after_work_cb)LookupAfterWork);
return
Undefined
();
}
void
GitReference::LookupWork
(
uv_work_t
*req) {
LookupBaton *baton =
static_cast
<LookupBaton *>(req->
data
);
baton->
rawRef
=
NULL
;
int
returnCode =
git_reference_lookup
(&baton->
rawRef
, baton->
rawRepo
, baton->
name
.
c_str
());
if
(returnCode !=
GIT_OK
) {
baton->
error
=
giterr_last
();
}
}
void
GitReference::LookupAfterWork
(
uv_work_t
*req) {
HandleScope scope;
LookupBaton *baton =
static_cast
<LookupBaton *>(req->
data
);
if
(
success
(baton->
error
, baton->
callback
)) {
baton->
ref
->
SetValue
(baton->
rawRef
);
Handle<Value> argv[
2
] = {
Local<Value>::
New
(
Null
()),
baton->
ref
->
handle_
};
TryCatch try_catch;
baton->
callback
->
Call
(
Context::GetCurrent
()->
Global
(),
2
, argv);
if
(try_catch.
HasCaught
()) {
node::FatalException
(try_catch);
}
}
baton->
ref
->
Unref
();
delete
req;
}
Persistent<Function> GitReference::constructor_template;
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