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
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
|
/* -*- mode: C++; c-basic-offset: 4; indent-tabs-mode: nil; -*- */
/*
* Copyright (c) 2013 Intel Corporation
* Copyright (c) 2008-2010 litl, LLC
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#ifndef GI_FUNDAMENTAL_H_
#define GI_FUNDAMENTAL_H_
#include <girepository.h>
#include <glib-object.h>
#include "gjs/jsapi-wrapper.h"
#include "gi/wrapperutils.h"
#include "gjs/macros.h"
#include "util/log.h"
class FundamentalPrototype;
class FundamentalInstance;
/* To conserve memory, we have two different kinds of private data for JS
* wrappers for fundamental types: FundamentalInstance, and
* FundamentalPrototype. Both inherit from FundamentalBase for their common
* functionality. For more information, see the notes in wrapperutils.h.
*/
class FundamentalBase
: public GIWrapperBase<FundamentalBase, FundamentalPrototype,
FundamentalInstance> {
friend class GIWrapperBase<FundamentalBase, FundamentalPrototype,
FundamentalInstance>;
protected:
explicit FundamentalBase(FundamentalPrototype* proto = nullptr)
: GIWrapperBase(proto) {}
~FundamentalBase(void) {}
static const GjsDebugTopic debug_topic = GJS_DEBUG_GFUNDAMENTAL;
static constexpr const char* debug_tag = "fundamental";
static const struct JSClassOps class_ops;
static const struct JSClass klass;
// Helper methods
GJS_USE const char* to_string_kind(void) const { return "fundamental"; }
// Public API
public:
GJS_JSAPI_RETURN_CONVENTION
static bool to_gvalue(JSContext* cx, JS::HandleObject obj, GValue* gvalue);
};
class FundamentalPrototype
: public GIWrapperPrototype<FundamentalBase, FundamentalPrototype,
FundamentalInstance> {
friend class GIWrapperPrototype<FundamentalBase, FundamentalPrototype,
FundamentalInstance>;
friend class GIWrapperBase<FundamentalBase, FundamentalPrototype,
FundamentalInstance>;
GIObjectInfoRefFunction m_ref_function;
GIObjectInfoUnrefFunction m_unref_function;
GIObjectInfoGetValueFunction m_get_value_function;
GIObjectInfoSetValueFunction m_set_value_function;
JS::Heap<jsid> m_constructor_name;
GICallableInfo* m_constructor_info;
explicit FundamentalPrototype(GIObjectInfo* info, GType gtype);
~FundamentalPrototype(void);
GJS_JSAPI_RETURN_CONVENTION bool init(JSContext* cx);
static constexpr InfoType::Tag info_type_tag = InfoType::Object;
public:
GJS_JSAPI_RETURN_CONVENTION
static FundamentalPrototype* for_gtype(JSContext* cx, GType gtype);
// Accessors
GJS_USE
jsid constructor_name(void) const { return m_constructor_name.get(); }
GJS_USE
GICallableInfo* constructor_info(void) const { return m_constructor_info; }
void* call_ref_function(void* ptr) const { return m_ref_function(ptr); }
void call_unref_function(void* ptr) const { m_unref_function(ptr); }
GJS_USE void* call_get_value_function(const GValue* value) const {
return m_get_value_function(value);
}
void call_set_value_function(GValue* value, void* object) const {
m_set_value_function(value, object);
}
// Helper methods
private:
GJS_JSAPI_RETURN_CONVENTION
bool get_parent_proto(JSContext* cx, JS::MutableHandleObject proto) const;
GJS_USE unsigned constructor_nargs(void) const;
GJS_JSAPI_RETURN_CONVENTION
bool resolve_interface(JSContext* cx, JS::HandleObject obj, bool* resolved,
const char* name);
// JSClass operations
GJS_JSAPI_RETURN_CONVENTION
bool resolve_impl(JSContext* cx, JS::HandleObject obj, JS::HandleId id,
const char* prop_name, bool* resolved);
void trace_impl(JSTracer* trc);
// Public API
public:
GJS_JSAPI_RETURN_CONVENTION
static bool define_class(JSContext* cx, JS::HandleObject in_object,
GIObjectInfo* info,
JS::MutableHandleObject constructor);
};
class FundamentalInstance
: public GIWrapperInstance<FundamentalBase, FundamentalPrototype,
FundamentalInstance> {
friend class FundamentalBase; // for set_value()
friend class GIWrapperInstance<FundamentalBase, FundamentalPrototype,
FundamentalInstance>;
friend class GIWrapperBase<FundamentalBase, FundamentalPrototype,
FundamentalInstance>;
explicit FundamentalInstance(JSContext* cx, JS::HandleObject obj);
~FundamentalInstance(void);
// Helper methods
GJS_JSAPI_RETURN_CONVENTION
bool invoke_constructor(JSContext* cx, JS::HandleObject obj,
const JS::HandleValueArray& args,
GIArgument* rvalue);
void ref(void) { get_prototype()->call_ref_function(m_ptr); }
void unref(void) { get_prototype()->call_unref_function(m_ptr); }
void set_value(GValue* gvalue) const {
get_prototype()->call_set_value_function(gvalue, m_ptr);
}
GJS_JSAPI_RETURN_CONVENTION
bool associate_js_instance(JSContext* cx, JSObject* object,
void* gfundamental);
// JS constructor
GJS_JSAPI_RETURN_CONVENTION
bool constructor_impl(JSContext* cx, JS::HandleObject obj,
const JS::CallArgs& args);
public:
GJS_JSAPI_RETURN_CONVENTION
static JSObject* object_for_c_ptr(JSContext* cx, void* gfundamental);
GJS_JSAPI_RETURN_CONVENTION
static JSObject* object_for_gvalue(JSContext* cx, const GValue* gvalue,
GType gtype);
static void* copy_ptr(JSContext* cx, GType gtype, void* gfundamental);
};
#endif // GI_FUNDAMENTAL_H_
|
