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
|
// Copyright 2014 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
#ifndef FPDFSDK_JAVASCRIPT_JS_DEFINE_H_
#define FPDFSDK_JAVASCRIPT_JS_DEFINE_H_
#include <vector>
#include "fpdfsdk/javascript/JS_Object.h"
#include "fpdfsdk/javascript/JS_Value.h"
#include "fpdfsdk/javascript/resource.h"
#include "fxjs/fxjs_v8.h"
// All JS classes have a name, an object defintion ID, and the ability to
// register themselves with FXJS_V8. We never make a BASE class on its own
// because it can't really do anything.
// Rich JS classes provide constants, methods, properties, and the ability
// to construct native object state.
struct JSConstSpec {
enum Type { Number = 0, String = 1 };
const char* pName;
Type eType;
double number;
const char* pStr;
};
struct JSPropertySpec {
const char* pName;
v8::AccessorGetterCallback pPropGet;
v8::AccessorSetterCallback pPropPut;
};
struct JSMethodSpec {
const char* pName;
v8::FunctionCallback pMethodCall;
};
template <class C, CJS_Return (C::*M)(CJS_Runtime*)>
void JSPropGetter(const char* prop_name_string,
const char* class_name_string,
v8::Local<v8::String> property,
const v8::PropertyCallbackInfo<v8::Value>& info) {
CJS_Runtime* pRuntime =
CJS_Runtime::CurrentRuntimeFromIsolate(info.GetIsolate());
if (!pRuntime)
return;
CJS_Object* pJSObj =
static_cast<CJS_Object*>(pRuntime->GetObjectPrivate(info.Holder()));
if (!pJSObj)
return;
C* pObj = reinterpret_cast<C*>(pJSObj->GetEmbedObject());
CJS_Return result = (pObj->*M)(pRuntime);
if (result.HasError()) {
pRuntime->Error(JSFormatErrorString(class_name_string, prop_name_string,
result.Error()));
return;
}
if (result.HasReturn())
info.GetReturnValue().Set(result.Return());
}
template <class C, CJS_Return (C::*M)(CJS_Runtime*, v8::Local<v8::Value>)>
void JSPropSetter(const char* prop_name_string,
const char* class_name_string,
v8::Local<v8::String> property,
v8::Local<v8::Value> value,
const v8::PropertyCallbackInfo<void>& info) {
CJS_Runtime* pRuntime =
CJS_Runtime::CurrentRuntimeFromIsolate(info.GetIsolate());
if (!pRuntime)
return;
CJS_Object* pJSObj =
static_cast<CJS_Object*>(pRuntime->GetObjectPrivate(info.Holder()));
if (!pJSObj)
return;
C* pObj = reinterpret_cast<C*>(pJSObj->GetEmbedObject());
CJS_Return result = (pObj->*M)(pRuntime, value);
if (result.HasError()) {
pRuntime->Error(JSFormatErrorString(class_name_string, prop_name_string,
result.Error()));
}
}
template <class C,
CJS_Return (C::*M)(CJS_Runtime*,
const std::vector<v8::Local<v8::Value>>&)>
void JSMethod(const char* method_name_string,
const char* class_name_string,
const v8::FunctionCallbackInfo<v8::Value>& info) {
CJS_Runtime* pRuntime =
CJS_Runtime::CurrentRuntimeFromIsolate(info.GetIsolate());
if (!pRuntime)
return;
CJS_Object* pJSObj =
static_cast<CJS_Object*>(pRuntime->GetObjectPrivate(info.Holder()));
if (!pJSObj)
return;
std::vector<v8::Local<v8::Value>> parameters;
for (unsigned int i = 0; i < (unsigned int)info.Length(); i++)
parameters.push_back(info[i]);
C* pObj = reinterpret_cast<C*>(pJSObj->GetEmbedObject());
CJS_Return result = (pObj->*M)(pRuntime, parameters);
if (result.HasError()) {
pRuntime->Error(JSFormatErrorString(class_name_string, method_name_string,
result.Error()));
return;
}
if (result.HasReturn())
info.GetReturnValue().Set(result.Return());
}
#define JS_STATIC_PROP(err_name, prop_name, class_name) \
static void get_##prop_name##_static( \
v8::Local<v8::String> property, \
const v8::PropertyCallbackInfo<v8::Value>& info) { \
JSPropGetter<class_name, &class_name::get_##prop_name>( \
#err_name, #class_name, property, info); \
} \
static void set_##prop_name##_static( \
v8::Local<v8::String> property, v8::Local<v8::Value> value, \
const v8::PropertyCallbackInfo<void>& info) { \
JSPropSetter<class_name, &class_name::set_##prop_name>( \
#err_name, #class_name, property, value, info); \
}
#define JS_STATIC_METHOD(method_name, class_name) \
static void method_name##_static( \
const v8::FunctionCallbackInfo<v8::Value>& info) { \
JSMethod<class_name, &class_name::method_name>(#method_name, #class_name, \
info); \
}
#endif // FPDFSDK_JAVASCRIPT_JS_DEFINE_H_
|
