1 | // Copyright (C) 2016 The Qt Company Ltd. |
2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
3 | #ifndef QV4JSONOBJECT_H |
4 | #define QV4JSONOBJECT_H |
5 | |
6 | // |
7 | // W A R N I N G |
8 | // ------------- |
9 | // |
10 | // This file is not part of the Qt API. It exists purely as an |
11 | // implementation detail. This header file may change from version to |
12 | // version without notice, or even be removed. |
13 | // |
14 | // We mean it. |
15 | // |
16 | |
17 | #include "qv4object_p.h" |
18 | #include <qjsonarray.h> |
19 | #include <qjsonobject.h> |
20 | #include <qjsonvalue.h> |
21 | #include <qjsondocument.h> |
22 | #include <qhash.h> |
23 | |
24 | QT_BEGIN_NAMESPACE |
25 | |
26 | namespace QV4 { |
27 | |
28 | namespace Heap { |
29 | |
30 | struct JsonObject : Object { |
31 | void init(); |
32 | }; |
33 | |
34 | } |
35 | |
36 | struct ObjectItem { |
37 | const QV4::Object *o; |
38 | ObjectItem(const QV4::Object *o) : o(o) {} |
39 | }; |
40 | |
41 | inline bool operator ==(const ObjectItem &a, const ObjectItem &b) |
42 | { return a.o->d() == b.o->d(); } |
43 | |
44 | inline size_t qHash(const ObjectItem &i, size_t seed = 0) |
45 | { return ::qHash(t: (void *)i.o->d(), seed); } |
46 | |
47 | struct JsonObject : Object { |
48 | Q_MANAGED_TYPE(JsonObject) |
49 | V4_OBJECT2(JsonObject, Object) |
50 | private: |
51 | |
52 | typedef QSet<ObjectItem> V4ObjectSet; |
53 | public: |
54 | |
55 | static ReturnedValue method_parse(const FunctionObject *, const Value *thisObject, const Value *argv, int argc); |
56 | static ReturnedValue method_stringify(const FunctionObject *, const Value *thisObject, const Value *argv, int argc); |
57 | |
58 | static ReturnedValue fromJsonValue(ExecutionEngine *engine, const QJsonValue &value); |
59 | static ReturnedValue fromJsonObject(ExecutionEngine *engine, const QJsonObject &object); |
60 | static ReturnedValue fromJsonArray(ExecutionEngine *engine, const QJsonArray &array); |
61 | |
62 | static inline QJsonValue toJsonValue(const QV4::Value &value) |
63 | { V4ObjectSet visitedObjects; return toJsonValue(value, visitedObjects); } |
64 | static inline QJsonObject toJsonObject(const QV4::Object *o) |
65 | { V4ObjectSet visitedObjects; return toJsonObject(o, visitedObjects); } |
66 | static inline QJsonArray toJsonArray(const QV4::ArrayObject *a) |
67 | { V4ObjectSet visitedObjects; return toJsonArray(a, visitedObjects); } |
68 | |
69 | private: |
70 | static QJsonValue toJsonValue(const QV4::Value &value, V4ObjectSet &visitedObjects); |
71 | static QJsonObject toJsonObject(const Object *o, V4ObjectSet &visitedObjects); |
72 | static QJsonArray toJsonArray(const ArrayObject *a, V4ObjectSet &visitedObjects); |
73 | |
74 | }; |
75 | |
76 | class JsonParser |
77 | { |
78 | public: |
79 | JsonParser(ExecutionEngine *engine, const QChar *json, int length); |
80 | |
81 | ReturnedValue parse(QJsonParseError *error); |
82 | |
83 | private: |
84 | inline bool eatSpace(); |
85 | inline QChar nextToken(); |
86 | |
87 | ReturnedValue parseObject(); |
88 | ReturnedValue parseArray(); |
89 | bool parseMember(Object *o); |
90 | bool parseString(QString *string); |
91 | bool parseValue(Value *val); |
92 | bool parseNumber(Value *val); |
93 | |
94 | ExecutionEngine *engine; |
95 | const QChar *head; |
96 | const QChar *json; |
97 | const QChar *end; |
98 | |
99 | int nestingLevel; |
100 | QJsonParseError::ParseError lastError; |
101 | }; |
102 | |
103 | } |
104 | |
105 | QT_END_NAMESPACE |
106 | |
107 | #endif |
108 | |
109 | |