qjsonwriter.cpp

Absolute File Name:/home/qt/qt5_coco/qt5/qtbase/src/corelib/json/qjsonwriter.cpp
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1-
2-
3-
4using namespace QJsonPrivate;-
5-
6static void objectContentToJson(const QJsonPrivate::Object *o, QByteArray &json, int indent, bool compact);-
7static void arrayContentToJson(const QJsonPrivate::Array *a, QByteArray &json, int indent, bool compact);-
8-
9static inline uchar hexdig(uint u)-
10{-
11 return
never executed: return (u < 0xa ? '0' + u : 'a' + u - 0xa);
 (u < 0xa
u < 0xaDescription
TRUEnever evaluated
FALSEnever evaluated
 ? '0' + u : 'a' + u - 0xa);
never executed: return (u < 0xa ? '0' + u : 'a' + u - 0xa);
0
12}-
13-
14static QByteArray escapedString(const QString &s)-
15{-
16 const uchar replacement = '?';-
17 QByteArray ba(s.length(), Qt::Uninitialized);-
18-
19 uchar *cursor = reinterpret_cast<uchar *>(const_cast<char *>(ba.constData()));-
20 const uchar *ba_end = cursor + ba.length();-
21 const ushort *src = reinterpret_cast<const ushort *>(s.constBegin());-
22 const ushort *const end = reinterpret_cast<const ushort *>(s.constEnd());-
23-
24 while (src != end
src != endDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
25 if (cursor >= ba_end - 6
cursor >= ba_end - 6Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
26-
27 int pos = cursor - (const uchar *)ba.constData();-
28 ba.resize(ba.size()*2);-
29 cursor = (uchar *)ba.data() + pos;-
30 ba_end = (const uchar *)ba.constData() + ba.length();-
31 }
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0
32-
33 uint u = *src++;-
34 if (u < 0x80
u < 0x80Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
35 if (u < 0x20
u < 0x20Description
TRUEnever evaluated
FALSEnever evaluated
 || u == 0x22
u == 0x22Description
TRUEnever evaluated
FALSEnever evaluated
 || u == 0x5c
u == 0x5cDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
36 *cursor++ = '\\';-
37 switch (u) {-
38 case
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 0x22:
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0
39 *cursor++ = '"';-
40 break;
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0
41 case
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 0x5c:
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0
42 *cursor++ = '\\';-
43 break;
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0
44 case
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 0x8:
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0
45 *cursor++ = 'b';-
46 break;
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0
47 case
never executed: case 0xc:
 0xc:
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0
48 *cursor++ = 'f';-
49 break;
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0
50 case
never executed: case 0xa:
 0xa:
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0
51 *cursor++ = 'n';-
52 break;
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0
53 case
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 0xd:
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0
54 *cursor++ = 'r';-
55 break;
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0
56 case
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 0x9:
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0
57 *cursor++ = 't';-
58 break;
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0
59 default
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:
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0
60 *cursor++ = 'u';-
61 *cursor++ = '0';-
62 *cursor++ = '0';-
63 *cursor++ = hexdig(u>>4);-
64 *cursor++ = hexdig(u & 0xf);-
65 }
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0
66 } else {-
67 *cursor++ = (uchar)u;-
68 }
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0
69 } else {-
70 if (QUtf8Functions::toUtf8<QUtf8BaseTraits>(u, cursor, src, end) < 0
QUtf8Functions... src, end) < 0Description
TRUEnever evaluated
FALSEnever evaluated
)		0
71 *
never executed: *cursor++ = replacement;
cursor++ = replacement;
never executed: *cursor++ = replacement;
0
72 }
never executed: end of block
0
73 }-
74-
75 ba.resize(cursor - (const uchar *)ba.constData());-
76 return
never executed: return ba;
 ba;
never executed: return ba;
0
77}-
78-
79static void valueToJson(const QJsonPrivate::Base *b, const QJsonPrivate::Value &v, QByteArray &json, int indent, bool compact)-
80{-
81 QJsonValue::Type type = (QJsonValue::Type)(uint)v.type;-
82 switch (type) {-
83 case
never executed: case QJsonValue::Bool:
 QJsonValue::Bool:
never executed: case QJsonValue::Bool:
0
84 json += v.toBoolean()
v.toBoolean()Description
TRUEnever evaluated
FALSEnever evaluated
 ? "true" : "false";		0
85 break;
never executed: break;
0
86 case
never executed: case QJsonValue::Double:
 QJsonValue::Double:
never executed: case QJsonValue::Double:
 {		0
87 const double d = v.toDouble(b);-
88 if (qIsFinite(d)
qIsFinite(d)Description
TRUEnever evaluated
FALSEnever evaluated
)		0
89 json += QByteArray::number(d, 'g', std::numeric_limits<double>::digits10 + 2);
never executed: json += QByteArray::number(d, 'g', std::numeric_limits<double>::digits10 + 2);
0
90 else-
91 json += "null";
never executed: json += "null";
0
92 break;
never executed: break;
0
93 }-
94 case
never executed: case QJsonValue::String:
 QJsonValue::String:
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0
95 json += '"';-
96 json += escapedString(v.toString(b));-
97 json += '"';-
98 break;
never executed: break;
0
99 case
never executed: case QJsonValue::Array:
 QJsonValue::Array:
never executed: case QJsonValue::Array:
0
100 json += compact
compactDescription
TRUEnever evaluated
FALSEnever evaluated
 ? "[" : "[\n";		0
101 arrayContentToJson(static_cast<QJsonPrivate::Array *>(v.base(b)), json, indent + (compact ? 0 : 1), compact);-
102 json += QByteArray(4*indent, ' ');-
103 json += ']';-
104 break;
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0
105 case
never executed: case QJsonValue::Object:
 QJsonValue::Object:
never executed: case QJsonValue::Object:
0
106 json += compact
compactDescription
TRUEnever evaluated
FALSEnever evaluated
 ? "{" : "{\n";		0
107 objectContentToJson(static_cast<QJsonPrivate::Object *>(v.base(b)), json, indent + (compact ? 0 : 1), compact);-
108 json += QByteArray(4*indent, ' ');-
109 json += '}';-
110 break;
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0
111 case
never executed: case QJsonValue::Null:
 QJsonValue::Null:
never executed: case QJsonValue::Null:
0
112 default
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:
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0
113 json += "null";-
114 }
never executed: end of block
0
115}-
116-
117static void arrayContentToJson(const QJsonPrivate::Array *a, QByteArray &json, int indent, bool compact)-
118{-
119 if (!a
!aDescription
TRUEnever evaluated
FALSEnever evaluated
 || !a->length
!a->lengthDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
120 return;
never executed: return;
0
121-
122 QByteArray indentString(4*indent, ' ');-
123-
124 uint i = 0;-
125 while (1) {-
126 json += indentString;-
127 valueToJson(a, a->at(i), json, indent, compact);-
128-
129 if (++
++i == a->lengthDescription
TRUEnever evaluated
FALSEnever evaluated
i == a->length
++i == a->lengthDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
130 if (!compact
!compactDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
131 json += '\n';
never executed: json += '\n';
0
132 break;
never executed: break;
0
133 }-
134-
135 json += compact
compactDescription
TRUEnever evaluated
FALSEnever evaluated
 ? "," : ",\n";		0
136 }
never executed: end of block
0
137}
never executed: end of block
0
138-
139-
140static void objectContentToJson(const QJsonPrivate::Object *o, QByteArray &json, int indent, bool compact)-
141{-
142 if (!o
!oDescription
TRUEnever evaluated
FALSEnever evaluated
 || !o->length
!o->lengthDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
143 return;
never executed: return;
0
144-
145 QByteArray indentString(4*indent, ' ');-
146-
147 uint i = 0;-
148 while (1) {-
149 QJsonPrivate::Entry *e = o->entryAt(i);-
150 json += indentString;-
151 json += '"';-
152 json += escapedString(e->key());-
153 json += compact
compactDescription
TRUEnever evaluated
FALSEnever evaluated
 ? "\":" : "\": ";		0
154 valueToJson(o, e->value, json, indent, compact);-
155-
156 if (++
++i == o->lengthDescription
TRUEnever evaluated
FALSEnever evaluated
i == o->length
++i == o->lengthDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
157 if (!compact
!compactDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
158 json += '\n';
never executed: json += '\n';
0
159 break;
never executed: break;
0
160 }-
161-
162 json += compact
compactDescription
TRUEnever evaluated
FALSEnever evaluated
 ? "," : ",\n";		0
163 }
never executed: end of block
0
164}
never executed: end of block
0
165-
166void Writer::objectToJson(const QJsonPrivate::Object *o, QByteArray &json, int indent, bool compact)-
167{-
168 json.reserve(json.size() + (o ? (int)o->size : 16));-
169 json += compact
compactDescription
TRUEnever evaluated
FALSEnever evaluated
 ? "{" : "{\n";		0
170 objectContentToJson(o, json, indent + (compact ? 0 : 1), compact);-
171 json += QByteArray(4*indent, ' ');-
172 json += compact
compactDescription
TRUEnever evaluated
FALSEnever evaluated
 ? "}" : "}\n";		0
173}
never executed: end of block
0
174-
175void Writer::arrayToJson(const QJsonPrivate::Array *a, QByteArray &json, int indent, bool compact)-
176{-
177 json.reserve(json.size() + (a ? (int)a->size : 16));-
178 json += compact
compactDescription
TRUEnever evaluated
FALSEnever evaluated
 ? "[" : "[\n";		0
179 arrayContentToJson(a, json, indent + (compact ? 0 : 1), compact);-
180 json += QByteArray(4*indent, ' ');-
181 json += compact
compactDescription
TRUEnever evaluated
FALSEnever evaluated
 ? "]" : "]\n";		0
182}
never executed: end of block
0
183-
184-
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