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39 | #ifndef QV4JSONOBJECT_H |
40 | #define QV4JSONOBJECT_H |
41 | |
42 | // |
43 | // W A R N I N G |
44 | // ------------- |
45 | // |
46 | // This file is not part of the Qt API. It exists purely as an |
47 | // implementation detail. This header file may change from version to |
48 | // version without notice, or even be removed. |
49 | // |
50 | // We mean it. |
51 | // |
52 | |
53 | #include "qv4object_p.h" |
54 | #include <qjsonarray.h> |
55 | #include <qjsonobject.h> |
56 | #include <qjsonvalue.h> |
57 | #include <qjsondocument.h> |
58 | #include <qhash.h> |
59 | |
60 | QT_BEGIN_NAMESPACE |
61 | |
62 | namespace QV4 { |
63 | |
64 | namespace Heap { |
65 | |
66 | struct JsonObject : Object { |
67 | void init(); |
68 | }; |
69 | |
70 | } |
71 | |
72 | struct ObjectItem { |
73 | const QV4::Object *o; |
74 | ObjectItem(const QV4::Object *o) : o(o) {} |
75 | }; |
76 | |
77 | inline bool operator ==(const ObjectItem &a, const ObjectItem &b) |
78 | { return a.o->d() == b.o->d(); } |
79 | |
80 | inline int qHash(const ObjectItem &i, uint seed = 0) |
81 | { return ::qHash(t: (void *)i.o->d(), seed); } |
82 | |
83 | struct JsonObject : Object { |
84 | Q_MANAGED_TYPE(JsonObject) |
85 | V4_OBJECT2(JsonObject, Object) |
86 | private: |
87 | |
88 | typedef QSet<ObjectItem> V4ObjectSet; |
89 | public: |
90 | |
91 | static ReturnedValue method_parse(const FunctionObject *, const Value *thisObject, const Value *argv, int argc); |
92 | static ReturnedValue method_stringify(const FunctionObject *, const Value *thisObject, const Value *argv, int argc); |
93 | |
94 | static ReturnedValue fromJsonValue(ExecutionEngine *engine, const QJsonValue &value); |
95 | static ReturnedValue fromJsonObject(ExecutionEngine *engine, const QJsonObject &object); |
96 | static ReturnedValue fromJsonArray(ExecutionEngine *engine, const QJsonArray &array); |
97 | |
98 | static inline QJsonValue toJsonValue(const QV4::Value &value) |
99 | { V4ObjectSet visitedObjects; return toJsonValue(value, visitedObjects); } |
100 | static inline QJsonObject toJsonObject(const QV4::Object *o) |
101 | { V4ObjectSet visitedObjects; return toJsonObject(o, visitedObjects); } |
102 | static inline QJsonArray toJsonArray(const QV4::ArrayObject *a) |
103 | { V4ObjectSet visitedObjects; return toJsonArray(a, visitedObjects); } |
104 | |
105 | private: |
106 | static QJsonValue toJsonValue(const QV4::Value &value, V4ObjectSet &visitedObjects); |
107 | static QJsonObject toJsonObject(const Object *o, V4ObjectSet &visitedObjects); |
108 | static QJsonArray toJsonArray(const ArrayObject *a, V4ObjectSet &visitedObjects); |
109 | |
110 | }; |
111 | |
112 | class JsonParser |
113 | { |
114 | public: |
115 | JsonParser(ExecutionEngine *engine, const QChar *json, int length); |
116 | |
117 | ReturnedValue parse(QJsonParseError *error); |
118 | |
119 | private: |
120 | inline bool eatSpace(); |
121 | inline QChar nextToken(); |
122 | |
123 | ReturnedValue parseObject(); |
124 | ReturnedValue parseArray(); |
125 | bool parseMember(Object *o); |
126 | bool parseString(QString *string); |
127 | bool parseValue(Value *val); |
128 | bool parseNumber(Value *val); |
129 | |
130 | ExecutionEngine *engine; |
131 | const QChar *head; |
132 | const QChar *json; |
133 | const QChar *end; |
134 | |
135 | int nestingLevel; |
136 | QJsonParseError::ParseError lastError; |
137 | }; |
138 | |
139 | } |
140 | |
141 | QT_END_NAMESPACE |
142 | |
143 | #endif |
144 | |
145 | |