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implab » ImplabNet
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Added XmlToJson xsl transformation....
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r264:3a6e18c432be v3
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1 using System.Xml.Serialization;
2
3 namespace Implab.Test.Model {
4
5 [XmlRoot(Namespace="urn:implab:test:model")]
6 public class Person {
7 public string FirstName { get; set; }
8
9 public string LastName { get; set; }
10
11 public int Age { get; set; }
12
13 [XmlIgnore]
14 public bool AgeSpecified { get; set; }
15
16
17 [XmlElement("Tag")]
18 public string[] Tags { get; set; }
19 }
20 } No newline at end of file
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1 using System;
2 using System.IO;
3 using System.Reflection;
4 using System.Xml;
5 using System.Xml.Xsl;
6 using Implab.Components;
7 using Implab.Formats.Json;
8
9 namespace Implab.Xml {
10 public class XmlToJson {
11 const string XmlToJsonTransformId = "Implab.Xml.json.xsl";
12
13 static LazyAndWeak<XslCompiledTransform> m_default = new LazyAndWeak<XslCompiledTransform>(CreateTransform, true);
14
15 public static XslCompiledTransform Default {
16 get { return m_default.Value; }
17 }
18
19 protected static XslCompiledTransform CreateTransform() {
20 var transform = new XslCompiledTransform();
21 using(var reader = XmlReader.Create(GetDefaultTransform())) {
22 transform.Load(reader);
23 }
24 return transform;
25 }
26
27 protected static Stream GetDefaultTransform() {
28 return Assembly.GetExecutingAssembly().GetManifestResourceStream(XmlToJsonTransformId);
29 }
30
31
32 }
33 } No newline at end of file
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1 <?xml version="1.0" encoding="UTF-8"?>
2 <xsl:stylesheet version="1.0"
3 xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
4 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
5 xmlns:exsl="http://exslt.org/common">
6 <xsl:output method="text" />
7
8 <xsl:template match="/">
9 <xsl:apply-templates mode="json-value" />
10 </xsl:template>
11
12
13 <!-- handle json-object -->
14
15 <xsl:template match="*" mode="json-object">
16 <xsl:call-template name="write-members"/>
17 </xsl:template>
18
19 <xsl:template match="*|@*" mode="json-member">
20 <xsl:param name="values" select="."/>
21 <xsl:call-template name="write-string">
22 <xsl:with-param name="text"><xsl:apply-templates select="." mode="json-member-name"/></xsl:with-param>
23 </xsl:call-template>
24 <xsl:text> : </xsl:text>
25 <xsl:apply-templates select="." mode="json-member-value">
26 <xsl:with-param name="values" select="$values"/>
27 </xsl:apply-templates>
28 </xsl:template>
29
30 <xsl:template match="*" mode="json-member-name">
31 <xsl:value-of select="local-name(.)"/>
32 </xsl:template>
33
34 <xsl:template match="@*" mode="json-member-name">
35 <xsl:value-of select="concat('_',local-name(.))"/>
36 </xsl:template>
37
38 <xsl:template match="*|@*" mode="json-member-value">
39 <xsl:param name="values" select="."/>
40 <xsl:choose>
41 <xsl:when test="count($values) > 1">
42 <xsl:call-template name="write-array">
43 <xsl:with-param name="values" select="$values"/>
44 </xsl:call-template>
45 </xsl:when>
46 <xsl:otherwise>
47 <xsl:apply-templates select="$values" mode="json-value"/>
48 </xsl:otherwise>
49 </xsl:choose>
50 </xsl:template>
51
52 <xsl:template match="*|@*" mode="json-array-item">
53 <xsl:apply-templates select="." mode="json-value"/>
54 <xsl:if test="position() != last()">
55 <xsl:text>, </xsl:text>
56 </xsl:if>
57 </xsl:template>
58
59 <!-- handle json-value -->
60
61 <xsl:template match="text()[. = 'true'] | @*[. = 'true']" mode="json-value">
62 <xsl:text>true</xsl:text>
63 </xsl:template>
64
65 <xsl:template match="text()[. = 'false'] | @*[. = 'false']"
66 mode="json-value">
67 <xsl:text>false</xsl:text>
68 </xsl:template>
69
70 <xsl:template match="text()[string(number(.)) != 'NaN'] | @*[string(number(.)) != 'NaN']"
71 mode="json-value">
72 <xsl:value-of select="number(.)" />
73 </xsl:template>
74
75 <xsl:template match="text()|@*" mode="json-value">
76 <xsl:call-template name="write-string">
77 <xsl:with-param name="text" select="."/>
78 </xsl:call-template>
79 </xsl:template>
80
81 <xsl:template match="*[boolean(* | @*) or not(text())]" mode="json-value">
82 <xsl:call-template name="write-object"/>
83 </xsl:template>
84
85 <xsl:template match="*[@xsi:nil = 'true']" mode="json-value">
86 <xsl:text>null</xsl:text>
87 </xsl:template>
88
89 <!-- template traits -->
90
91 <xsl:template name="write-value">
92 <xsl:param name="value" select="."/>
93 <xsl:apply-templates select="$value" mode="json-value"/>
94 </xsl:template>
95
96 <xsl:template name="write-member">
97 <xsl:param name="name"/>
98 <xsl:param name="value"/>
99 <xsl:call-template name="write-string">
100 <xsl:with-param name="text" select="$name"/>
101 </xsl:call-template>
102 <xsl:text> : </xsl:text>
103 <xsl:apply-templates select="$value" mode="json-value"/>
104 </xsl:template>
105
106 <xsl:template name="write-member-string">
107 <xsl:param name="name"/>
108 <xsl:param name="value"/>
109 <xsl:call-template name="write-string">
110 <xsl:with-param name="text" select="$name"/>
111 </xsl:call-template>
112 <xsl:text> : </xsl:text>
113 <xsl:call-template name="write-string">
114 <xsl:with-param name="text" select="$value"/>
115 </xsl:call-template>
116 </xsl:template>
117
118 <xsl:template name="write-member-array">
119 <xsl:param name="name"/>
120 <xsl:param name="values"/>
121 <xsl:call-template name="write-string">
122 <xsl:with-param name="text" select="$name"/>
123 </xsl:call-template>
124 <xsl:text> : </xsl:text>
125 <xsl:call-template name="write-array">
126 <xsl:with-param name="values" select="$values"/>
127 </xsl:call-template>
128 </xsl:template>
129
130 <xsl:template name="write-separator">
131 <xsl:text>, </xsl:text>
132 </xsl:template>
133
134 <!-- specialized template traits -->
135
136 <xsl:template name="write-string">
137 <xsl:param name="text"/>
138 <xsl:text>&quot;</xsl:text>
139 <xsl:call-template name="escape-bs-string">
140 <xsl:with-param name="s" select="$text"/>
141 </xsl:call-template>
142 <xsl:text>&quot;</xsl:text>
143 </xsl:template>
144
145 <xsl:template name="write-object">
146 <xsl:param name="value" select="."/>
147 <xsl:text>{ </xsl:text>
148 <xsl:apply-templates select="$value" mode="json-object"/>
149 <xsl:text> }</xsl:text>
150 </xsl:template>
151
152 <xsl:template name="write-array">
153 <xsl:param name="values"/>
154
155 <xsl:text>[ </xsl:text>
156 <xsl:apply-templates select="$values" mode="json-array-item"/>
157 <xsl:text> ]</xsl:text>
158 </xsl:template>
159
160 <xsl:template name="write-members">
161 <xsl:param name="members" select="*"/>
162
163 <xsl:for-each select="$members">
164 <xsl:variable name="current" select="."/>
165 <xsl:variable name="values" select="$members[local-name(.) = local-name($current)]"/>
166 <xsl:if test="generate-id($current) = generate-id($values)">
167 <xsl:if test="position()>1">
168 <xsl:call-template name="write-separator"/>
169 </xsl:if>
170 <xsl:apply-templates select="$current" mode="json-member">
171 <xsl:with-param name="values" select="$values"/>
172 </xsl:apply-templates>
173 </xsl:if>
174 </xsl:for-each>
175 </xsl:template>
176
177 <!-- escape string -->
178 <!--
179 Copyright (c) 2006,2008 Doeke Zanstra
180 All rights reserved.
181 https://github.com/doekman/xml2json-xslt/blob/master/xml2json.xslt
182 -->
183 <!-- Escape the backslash (\) before everything else. -->
184 <xsl:template name="escape-bs-string">
185 <xsl:param name="s"/>
186 <xsl:choose>
187 <xsl:when test="contains($s,'\')">
188 <xsl:call-template name="escape-quot-string">
189 <xsl:with-param name="s" select="concat(substring-before($s,'\'),'\\')"/>
190 </xsl:call-template>
191 <xsl:call-template name="escape-bs-string">
192 <xsl:with-param name="s" select="substring-after($s,'\')"/>
193 </xsl:call-template>
194 </xsl:when>
195 <xsl:otherwise>
196 <xsl:call-template name="escape-quot-string">
197 <xsl:with-param name="s" select="$s"/>
198 </xsl:call-template>
199 </xsl:otherwise>
200 </xsl:choose>
201 </xsl:template>
202
203 <!-- Escape the double quote ("). -->
204 <xsl:template name="escape-quot-string">
205 <xsl:param name="s"/>
206 <xsl:choose>
207 <xsl:when test="contains($s,'&quot;')">
208 <xsl:call-template name="encode-string">
209 <xsl:with-param name="s" select="concat(substring-before($s,'&quot;'),'\&quot;')"/>
210 </xsl:call-template>
211 <xsl:call-template name="escape-quot-string">
212 <xsl:with-param name="s" select="substring-after($s,'&quot;')"/>
213 </xsl:call-template>
214 </xsl:when>
215 <xsl:otherwise>
216 <xsl:call-template name="encode-string">
217 <xsl:with-param name="s" select="$s"/>
218 </xsl:call-template>
219 </xsl:otherwise>
220 </xsl:choose>
221 </xsl:template>
222
223 <!-- Replace tab, line feed and/or carriage return by its matching escape code. Can't escape backslash
224 or double quote here, because they don't replace characters (&#x0; becomes \t), but they prefix
225 characters (\ becomes \\). Besides, backslash should be seperate anyway, because it should be
226 processed first. This function can't do that. -->
227 <xsl:template name="encode-string">
228 <xsl:param name="s"/>
229 <xsl:choose>
230 <!-- tab -->
231 <xsl:when test="contains($s,'&#x9;')">
232 <xsl:call-template name="encode-string">
233 <xsl:with-param name="s" select="concat(substring-before($s,'&#x9;'),'\t',substring-after($s,'&#x9;'))"/>
234 </xsl:call-template>
235 </xsl:when>
236 <!-- line feed -->
237 <xsl:when test="contains($s,'&#xA;')">
238 <xsl:call-template name="encode-string">
239 <xsl:with-param name="s" select="concat(substring-before($s,'&#xA;'),'\n',substring-after($s,'&#xA;'))"/>
240 </xsl:call-template>
241 </xsl:when>
242 <!-- carriage return -->
243 <xsl:when test="contains($s,'&#xD;')">
244 <xsl:call-template name="encode-string">
245 <xsl:with-param name="s" select="concat(substring-before($s,'&#xD;'),'\r',substring-after($s,'&#xD;'))"/>
246 </xsl:call-template>
247 </xsl:when>
248 <xsl:otherwise><xsl:value-of select="$s"/></xsl:otherwise>
249 </xsl:choose>
250 </xsl:template>
251
252 </xsl:stylesheet> No newline at end of file
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@@ -0,0 +1,4
1 XML to JSON transform is taken from different project https://hg.implab.org/pub/ModelGenerator/
2 run:
3 wget https://hg.implab.org/pub/ModelGenerator/raw-file/tip/xslt/json.xsl
4 to update to the latest version No newline at end of file
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@@ -1,152 +1,191
1 1 using Xunit;
2 2 using System;
3 3 using Implab.Automaton;
4 4 using Implab.Xml;
5 5 using System.Xml;
6 6 using Implab.Formats;
7 7 using Implab.Formats.Json;
8 8 using System.IO;
9 using Implab.Test.Model;
9 10
10 11 namespace Implab.Test {
11 12 public class JsonTests {
12 13
13 14 [Fact]
14 15 public void TestScannerValidTokens() {
15 16 using (var scanner = JsonStringScanner.Create(@"9123, -123, 0, 0.1, -0.2, -0.1e3, 1.3E-3, ""some \t\n\u0020 text"", literal []{}:")) {
16 17
17 18 Tuple<JsonTokenType, object>[] expexted = {
18 19 new Tuple<JsonTokenType,object>(JsonTokenType.Number, "9123"),
19 20 new Tuple<JsonTokenType,object>(JsonTokenType.ValueSeparator, null),
20 21 new Tuple<JsonTokenType,object>(JsonTokenType.Number, "-123"),
21 22 new Tuple<JsonTokenType,object>(JsonTokenType.ValueSeparator, null),
22 23 new Tuple<JsonTokenType,object>(JsonTokenType.Number, "0"),
23 24 new Tuple<JsonTokenType,object>(JsonTokenType.ValueSeparator, null),
24 25 new Tuple<JsonTokenType,object>(JsonTokenType.Number, "0.1"),
25 26 new Tuple<JsonTokenType,object>(JsonTokenType.ValueSeparator, null),
26 27 new Tuple<JsonTokenType,object>(JsonTokenType.Number, "-0.2"),
27 28 new Tuple<JsonTokenType,object>(JsonTokenType.ValueSeparator, null),
28 29 new Tuple<JsonTokenType,object>(JsonTokenType.Number, "-0.1e3"),
29 30 new Tuple<JsonTokenType,object>(JsonTokenType.ValueSeparator, null),
30 31 new Tuple<JsonTokenType,object>(JsonTokenType.Number, "1.3E-3"),
31 32 new Tuple<JsonTokenType,object>(JsonTokenType.ValueSeparator, null),
32 33 new Tuple<JsonTokenType,object>(JsonTokenType.String, "some \t\n text"),
33 34 new Tuple<JsonTokenType,object>(JsonTokenType.ValueSeparator, null),
34 35 new Tuple<JsonTokenType,object>(JsonTokenType.Literal, "literal"),
35 36 new Tuple<JsonTokenType,object>(JsonTokenType.BeginArray, null),
36 37 new Tuple<JsonTokenType,object>(JsonTokenType.EndArray, null),
37 38 new Tuple<JsonTokenType,object>(JsonTokenType.BeginObject, null),
38 39 new Tuple<JsonTokenType,object>(JsonTokenType.EndObject, null),
39 40 new Tuple<JsonTokenType,object>(JsonTokenType.NameSeparator, null)
40 41 };
41 42
42 43 string value;
43 44 JsonTokenType tokenType;
44 45 for (var i = 0; i < expexted.Length; i++) {
45 46
46 47 Assert.True(scanner.ReadToken(out value, out tokenType));
47 48 Assert.Equal(expexted[i].Item1, tokenType);
48 49 Assert.Equal(expexted[i].Item2, value);
49 50 }
50 51
51 52 Assert.False(scanner.ReadToken(out value, out tokenType));
52 53 }
53 54 }
54 55
55 56 [Fact]
56 57 public void TestScannerBadTokens() {
57 58 var bad = new[] {
58 59 " 1",
59 60 " literal",
60 61 " \"",
61 62 "\"unclosed string",
62 63 "1.bad",
63 64 "001", // should be read as three numbers
64 65 "--10",
65 66 "+10",
66 67 "1.0.0",
67 68 "1e1.0",
68 69 "l1teral0",
69 70 ".123",
70 71 "-.123"
71 72 };
72 73
73 74 foreach (var json in bad) {
74 75 using (var scanner = JsonStringScanner.Create(json)) {
75 76 try {
76 77 string value;
77 78 JsonTokenType token;
78 79 scanner.ReadToken(out value, out token);
79 80 if (!Object.Equals(value, json)) {
80 81 Console.WriteLine("'{0}' is read as {1}", json, value is String ? String.Format("'{0}'", value) : value);
81 82 continue;
82 83 }
83 84 Assert.True(false, $"Token '{json}' shouldn't pass");
84 85 } catch (ParserException e) {
85 86 Console.WriteLine(e.Message);
86 87 }
87 88 }
88 89 }
89 90 }
90 91
91 92 [Fact]
92 93 public void JsonXmlReaderSimpleTest() {
93 94 var json = "\"some text\"";
94 95 //Console.WriteLine($"JSON: {json}");
95 96 //Console.WriteLine("XML");
96 97 /*using (var xmlReader = new JsonXmlReader(new JSONParser(json), new JsonXmlReaderOptions { NamespaceUri = "JsonXmlReaderSimpleTest", RootName = "string", NodesPrefix = "json" })) {
97 98 Assert.AreEqual(xmlReader.ReadState, System.Xml.ReadState.Initial);
98 99
99 100 AssertRead(xmlReader, XmlNodeType.XmlDeclaration);
100 101 AssertRead(xmlReader, XmlNodeType.Element);
101 102 AssertRead(xmlReader, XmlNodeType.Text);
102 103 AssertRead(xmlReader, XmlNodeType.EndElement);
103 104 Assert.IsFalse(xmlReader.Read());
104 105 }*/
105 106
106 107 DumpJsonParse("\"text value\"");
107 108 DumpJsonParse("null");
108 109 DumpJsonParse("true");
109 110 DumpJsonParse("{}");
110 111 DumpJsonParse("[]");
111 112 DumpJsonParse("{\"one\":1, \"two\":2}");
112 113 DumpJsonParse("[1,\"\",2,3]");
113 114 DumpJsonParse("[{\"info\": [7,8,9]}]");
114 115 DumpJsonFlatParse("[1,2,\"\",[3,4],{\"info\": [5,6]},{\"num\": [7,8,null]}, null,[null]]");
115 116 }
116 117
118 [Fact]
119 public void XmlToJsonTransform() {
120 var person = new Person {
121 FirstName = "Charlie",
122 LastName = "Brown",
123 Age = 19,
124 AgeSpecified = true
125 };
126
127 var doc = SerializationHelpers.SerializeAsXmlDocument(person);
128
129 using (var writer = new StringWriter()) {
130 XmlToJson.Default.Transform(doc,null, writer);
131 Console.WriteLine(writer.ToString());
132 }
133 }
134
135 [Fact]
136 public void JsonSerialization() {
137 var person = new Person {
138 FirstName = "Charlie",
139 LastName = "Brown",
140 Age = 19,
141 AgeSpecified = true,
142 Tags = new [] { "brave", "stupid" }
143 };
144
145 var data = SerializationHelpers.SerializeJsonAsString(person);
146 Console.WriteLine(data);
147 var clone = SerializationHelpers.DeserializeJsonFromString<Person>(data);
148
149 Assert.Equal(person.FirstName, clone.FirstName);
150 Assert.Equal(person.LastName, clone.LastName);
151 Assert.Equal(person.Age, clone.Age);
152 Assert.Equal(person.AgeSpecified, clone.AgeSpecified);
153 Assert.Equal(person.Tags, person.Tags);
154 }
155
117 156 void AssertRead(XmlReader reader, XmlNodeType expected) {
118 157 Assert.True(reader.Read());
119 158 Console.WriteLine($"{new string(' ', reader.Depth * 2)}{reader}");
120 159 Assert.Equal(expected, reader.NodeType);
121 160 }
122 161
123 162 void DumpJsonParse(string json) {
124 163 Console.WriteLine($"JSON: {json}");
125 164 Console.WriteLine("XML");
126 165 using (var xmlWriter = XmlWriter.Create(Console.Out, new XmlWriterSettings {
127 166 Indent = true,
128 167 CloseOutput = false,
129 168 ConformanceLevel = ConformanceLevel.Document
130 169 }))
131 170 using (var xmlReader = new JsonXmlReader(JsonReader.ParseString(json), new JsonXmlReaderOptions { NamespaceUri = "JsonXmlReaderSimpleTest", NodesPrefix = "json" })) {
132 171 xmlWriter.WriteNode(xmlReader, false);
133 172 }
134 173 Console.WriteLine();
135 174 }
136 175
137 176 void DumpJsonFlatParse(string json) {
138 177 Console.WriteLine($"JSON: {json}");
139 178 Console.WriteLine("XML");
140 179 using (var xmlWriter = XmlWriter.Create(Console.Out, new XmlWriterSettings {
141 180 Indent = true,
142 181 CloseOutput = false,
143 182 ConformanceLevel = ConformanceLevel.Document
144 183 }))
145 184 using (var xmlReader = new JsonXmlReader(JsonReader.ParseString(json), new JsonXmlReaderOptions { NamespaceUri = "JsonXmlReaderSimpleTest", NodesPrefix = "", FlattenArrays = true })) {
146 185 xmlWriter.WriteNode(xmlReader, false);
147 186 }
148 187 Console.WriteLine();
149 188 }
150 189 }
151 190 }
152 191
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@@ -1,64 +1,65
1 1 using System;
2 2 using System.Threading;
3 3
4 4 namespace Implab.Components {
5 5 /// <summary>
6 6 /// Creates an instace on-demand and allows it to be garbage collected.
7 7 /// </summary>
8 8 /// <remarks>
9 9 /// Usefull when dealing with memory-intensive objects which are frequently used.
10 10 /// This class is similar to <see cref="ObjectPool{T}"/> except it is a singleton.
11 /// This class can't be used to hold diposable objects.
11 12 /// </remarks>
12 13 public class LazyAndWeak<T> where T : class {
13 14
14 15 readonly Func<T> m_factory;
15 16 readonly object m_lock;
16 17 WeakReference m_reference;
17 18
18 19
19 20 public LazyAndWeak(Func<T> factory, bool useLock) {
20 21 Safe.ArgumentNotNull(factory, "factory");
21 22 m_factory = factory;
22 23 m_lock = useLock ? new object() : null;
23 24 }
24 25
25 26 public LazyAndWeak(Func<T> factory) : this(factory, false) {
26 27 }
27 28
28 29 public T Value {
29 30 get {
30 31 while (true) {
31 32 var weak = m_reference;
32 33 T value;
33 34 if (weak != null) {
34 35 value = weak.Target as T;
35 36 if (value != null)
36 37 return value;
37 38 }
38 39
39 40 if (m_lock == null) {
40 41 value = m_factory();
41 42
42 43 if (Interlocked.CompareExchange(ref m_reference, new WeakReference(value), weak) == weak)
43 44 return value;
44 45 } else {
45 46 lock (m_lock) {
46 47 // double check
47 48 weak = m_reference;
48 49 if (weak != null) {
49 50 value = weak.Target as T;
50 51 if (value != null)
51 52 return value;
52 53 }
53 54 // we are safe to write
54 55 value = m_factory();
55 56 m_reference = new WeakReference(value);
56 57 return value;
57 58 }
58 59 }
59 60 }
60 61 }
61 62 }
62 63 }
63 64 }
64 65
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@@ -1,22 +1,26
1 1 <Project Sdk="Microsoft.NET.Sdk">
2 2
3 3 <PropertyGroup>
4 4 <Authors>Sergey Smirnov</Authors>
5 5 <Title>Implab library</Title>
6 6 <Description>Provides some helper clesses like XML serialization helpers, JSON XML reader,
7 7 JSON pull-parser, ECMA-style promises, lightweight synchonization routines Signal
8 8 and SharedLock, Trace helpers on top of System.Diagnostics, ObjectPool etc.
9 9 </Description>
10 10 <Copyright>2012-2018 Sergey Smirnov</Copyright>
11 11 <Version>3.0.8</Version>
12 12 <PackageLicenseUrl>https://hg.implab.org/pub/ImplabNet/file/tip/Implab/license.txt</PackageLicenseUrl>
13 13 <PackageProjectUrl>https://implab.org</PackageProjectUrl>
14 14 <RepositoryUrl>https://hg.implab.org/pub/ImplabNet/</RepositoryUrl>
15 15 <RepositoryType>mercurial</RepositoryType>
16 16 <PackageTags>IMPLAB;Json pull-parser;Json Xml;async;diagnostics;serialization;</PackageTags>
17 17 <TargetFrameworks>netstandard2.0;net46</TargetFrameworks>
18 18 <FrameworkPathOverride Condition="'$(TargetFramework)'=='net46' and '$(OSTYPE)'=='linux'">/usr/lib/mono/4.5/</FrameworkPathOverride>
19 19 <DefineConstants Condition="'$(TargetFramework)'=='net46'">NETFX_TRACE_BUG;$(DefineConstants)</DefineConstants>
20 20 </PropertyGroup>
21 21
22 <ItemGroup>
23 <EmbeddedResource Include="Xml\json.xsl"/>
24 </ItemGroup>
25
22 26 </Project>
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@@ -1,610 +1,636
1 1 using Implab.Formats.Json;
2 2 using System;
3 3 using System.Collections.Generic;
4 4 using System.Globalization;
5 using System.IO;
5 6 using System.Linq;
6 7 using System.Xml;
7 8
8 9 namespace Implab.Xml {
9 10 public class JsonXmlReader : XmlReader {
10 11 struct JsonContext {
11 12 public string localName;
12 13 public bool skip;
13 14 }
14 15
15 16 JsonReader m_parser;
16 17 JsonXmlReaderOptions m_options;
17 18 JsonXmlReaderPosition m_position = JsonXmlReaderPosition.Initial;
18 19 XmlNameTable m_nameTable;
19 20
20 21 readonly string m_jsonRootName;
21 22 readonly string m_jsonNamespace;
22 23 readonly string m_jsonPrefix;
23 24 readonly bool m_jsonFlattenArrays;
24 25 readonly string m_jsonArrayItemName;
25 26
26 27 string m_jsonLocalName;
27 28 string m_jsonValueName;
28 29 bool m_jsonSkip; // indicates wheather to generate closing tag for objects or arrays
29 30
30 31 readonly Stack<JsonContext> m_jsonNameStack = new Stack<JsonContext>();
31 32
32 33 XmlQualifiedName m_elementQName;
33 34 string m_elementPrefix;
34 35 int m_elementDepth;
35 36 bool m_elementIsEmpty;
36 37
37 38 XmlQualifiedName m_qName;
38 39 string m_prefix;
39 40 int m_xmlDepth;
40 41
41 42 XmlSimpleAttribute[] m_attributes;
42 43 string m_value;
43 44 bool m_isEmpty;
44 45
45 46 XmlNodeType m_nodeType = XmlNodeType.None;
46 47
47 48 bool m_isAttribute; // indicates that we are reading attribute nodes
48 49 int m_currentAttribute;
49 50 bool m_currentAttributeRead;
50 51
51 52
52 53 XmlNameContext m_context;
53 54
54 55 readonly string m_xmlnsPrefix;
55 56 readonly string m_xmlnsNamespace;
56 57 readonly string m_xsiPrefix;
57 58 readonly string m_xsiNamespace;
58 59
59 60
60 61 public JsonXmlReader(JsonReader parser, JsonXmlReaderOptions options) {
61 62 Safe.ArgumentNotNull(parser, nameof(parser));
62 63 m_parser = parser;
63 64
64 65 m_options = options ?? new JsonXmlReaderOptions();
65 66
66 67 m_jsonFlattenArrays = m_options.FlattenArrays;
67 68 m_nameTable = m_options.NameTable ?? new NameTable();
68 69
69 70 m_jsonRootName = m_nameTable.Add(string.IsNullOrEmpty(m_options.RootName) ? "data" : m_options.RootName);
70 71 m_jsonArrayItemName = m_nameTable.Add(string.IsNullOrEmpty(m_options.ArrayItemName) ? "item" : m_options.ArrayItemName);
71 72 m_jsonNamespace = m_nameTable.Add(m_options.NamespaceUri ?? string.Empty);
72 73 m_jsonPrefix = m_nameTable.Add(m_options.NodesPrefix ?? string.Empty);
73 74 m_xmlnsPrefix = m_nameTable.Add(XmlNameContext.XmlnsPrefix);
74 75 m_xmlnsNamespace = m_nameTable.Add(XmlNameContext.XmlnsNamespace);
75 76 m_xsiPrefix = m_nameTable.Add(XmlNameContext.XsiPrefix);
76 77 m_xsiNamespace = m_nameTable.Add(XmlNameContext.XsiNamespace);
77 78
78 79 // TODO validate m_jsonRootName, m_jsonArrayItemName
79 80
80 81 m_context = new XmlNameContext(null, 0);
81 82 }
82 83
83 84 public override int AttributeCount {
84 85 get {
85 86 return m_attributes == null ? 0 : m_attributes.Length;
86 87 }
87 88 }
88 89
89 90 public override string BaseURI {
90 91 get {
91 92 return string.Empty;
92 93 }
93 94 }
94 95
95 96 public override int Depth {
96 97 get {
97 98 return m_xmlDepth;
98 99 }
99 100 }
100 101
101 102 public override bool EOF {
102 103 get {
103 104 return m_position == JsonXmlReaderPosition.Eof;
104 105 }
105 106 }
106 107
107 108 public override bool IsEmptyElement {
108 109 get { return m_isEmpty; }
109 110 }
110 111
111 112
112 113 public override string LocalName {
113 114 get {
114 115 return m_qName.Name;
115 116 }
116 117 }
117 118
118 119 public override string NamespaceURI {
119 120 get {
120 121 return m_qName.Namespace;
121 122 }
122 123 }
123 124
124 125 public override XmlNameTable NameTable {
125 126 get {
126 127 return m_nameTable;
127 128 }
128 129 }
129 130
130 131 public override XmlNodeType NodeType {
131 132 get {
132 133 return m_nodeType;
133 134 }
134 135 }
135 136
136 137 public override string Prefix {
137 138 get {
138 139 return m_prefix;
139 140 }
140 141 }
141 142
142 143 public override ReadState ReadState {
143 144 get {
144 145 switch (m_position) {
145 146 case JsonXmlReaderPosition.Initial:
146 147 return ReadState.Initial;
147 148 case JsonXmlReaderPosition.Eof:
148 149 return ReadState.EndOfFile;
149 150 case JsonXmlReaderPosition.Closed:
150 151 return ReadState.Closed;
151 152 case JsonXmlReaderPosition.Error:
152 153 return ReadState.Error;
153 154 default:
154 155 return ReadState.Interactive;
155 156 };
156 157 }
157 158 }
158 159
159 160 public override string Value {
160 161 get {
161 162 return m_value;
162 163 }
163 164 }
164 165
165 166 public override string GetAttribute(int i) {
166 167 Safe.ArgumentInRange(i >= 0 && i < AttributeCount, nameof(i));
167 168 return m_attributes[i].Value;
168 169 }
169 170
170 171 public override string GetAttribute(string name) {
171 172 if (m_attributes == null)
172 173 return null;
173 174 var qName = m_context.Resolve(name);
174 175 var attr = Array.Find(m_attributes, x => x.QName == qName);
175 176 var value = attr?.Value;
176 177 return value == string.Empty ? null : value;
177 178 }
178 179
179 180 public override string GetAttribute(string name, string namespaceURI) {
180 181 if (m_attributes == null)
181 182 return null;
182 183 var qName = new XmlQualifiedName(name, namespaceURI);
183 184 var attr = Array.Find(m_attributes, x => x.QName == qName);
184 185 var value = attr?.Value;
185 186 return value == string.Empty ? null : value;
186 187 }
187 188
188 189 public override string LookupNamespace(string prefix) {
189 190 return m_context.ResolvePrefix(prefix);
190 191 }
191 192
192 193 public override bool MoveToAttribute(string name) {
193 194 if (m_attributes == null || m_attributes.Length == 0)
194 195 return false;
195 196
196 197 var qName = m_context.Resolve(name);
197 198 var index = Array.FindIndex(m_attributes, x => x.QName == qName);
198 199 if (index >= 0) {
199 200 MoveToAttributeImpl(index);
200 201 return true;
201 202 }
202 203 return false;
203 204 }
204 205
205 206 public override bool MoveToAttribute(string name, string ns) {
206 207 if (m_attributes == null || m_attributes.Length == 0)
207 208 return false;
208 209
209 210 var qName = m_context.Resolve(name);
210 211 var index = Array.FindIndex(m_attributes, x => x.QName == qName);
211 212 if (index >= 0) {
212 213 MoveToAttributeImpl(index);
213 214 return true;
214 215 }
215 216 return false;
216 217 }
217 218
218 219 void MoveToAttributeImpl(int i) {
219 220 if (!m_isAttribute) {
220 221 m_elementQName = m_qName;
221 222 m_elementDepth = m_xmlDepth;
222 223 m_elementPrefix = m_prefix;
223 224 m_elementIsEmpty = m_isEmpty;
224 225 m_isAttribute = true;
225 226 }
226 227
227 228 var attr = m_attributes[i];
228 229
229 230
230 231 m_currentAttribute = i;
231 232 m_currentAttributeRead = false;
232 233 m_nodeType = XmlNodeType.Attribute;
233 234
234 235 m_xmlDepth = m_elementDepth + 1;
235 236 m_qName = attr.QName;
236 237 m_value = attr.Value;
237 238 m_prefix = attr.Prefix;
238 239 }
239 240
240 241 public override bool MoveToElement() {
241 242 if (m_isAttribute) {
242 243 m_value = null;
243 244 m_nodeType = XmlNodeType.Element;
244 245 m_xmlDepth = m_elementDepth;
245 246 m_prefix = m_elementPrefix;
246 247 m_qName = m_elementQName;
247 248 m_isEmpty = m_elementIsEmpty;
248 249 m_isAttribute = false;
249 250 return true;
250 251 }
251 252 return false;
252 253 }
253 254
254 255 public override bool MoveToFirstAttribute() {
255 256 if (m_attributes != null && m_attributes.Length > 0) {
256 257 MoveToAttributeImpl(0);
257 258 return true;
258 259 }
259 260 return false;
260 261 }
261 262
262 263 public override bool MoveToNextAttribute() {
263 264 if (m_isAttribute) {
264 265 var next = m_currentAttribute + 1;
265 266 if (next < AttributeCount) {
266 267 MoveToAttributeImpl(next);
267 268 return true;
268 269 }
269 270 return false;
270 271 } else {
271 272 return MoveToFirstAttribute();
272 273 }
273 274
274 275 }
275 276
276 277 public override bool ReadAttributeValue() {
277 278 if (!m_isAttribute || m_currentAttributeRead)
278 279 return false;
279 280
280 281 ValueNode(m_attributes[m_currentAttribute].Value);
281 282 m_currentAttributeRead = true;
282 283 return true;
283 284 }
284 285
285 286 public override void ResolveEntity() {
286 287 /* do nothing */
287 288 }
288 289
289 290 /// <summary>
290 291 /// Determines do we need to increase depth after the current node
291 292 /// </summary>
292 293 /// <returns></returns>
293 294 public bool IsSibling() {
294 295 switch (m_nodeType) {
295 296 case XmlNodeType.None: // start document
296 297 case XmlNodeType.Attribute: // after attribute only it's content can be iterated with ReadAttributeValue method
297 298 return false;
298 299 case XmlNodeType.Element:
299 300 // if the elemnt is empty the next element will be it's sibling
300 301 return m_isEmpty;
301 302 default:
302 303 return true;
303 304 }
304 305 }
305 306
306 307 void ValueNode(string value) {
307 308 if (!IsSibling()) // the node is nested
308 309 m_xmlDepth++;
309 310
310 311 m_qName = XmlQualifiedName.Empty;
311 312 m_nodeType = XmlNodeType.Text;
312 313 m_prefix = string.Empty;
313 314 m_value = value;
314 315 m_isEmpty = false;
315 316 m_attributes = null;
316 317 }
317 318
318 319 void ElementNode(string name, string ns, XmlSimpleAttribute[] attrs, bool empty) {
319 320 if (!IsSibling()) // the node is nested
320 321 m_xmlDepth++;
321 322
322 323 var context = m_context;
323 324 List<XmlSimpleAttribute> definedAttrs = null;
324 325
325 326 // define new namespaces
326 327 if (attrs != null) {
327 328 foreach (var attr in attrs) {
328 329 if (attr.QName.Name == "xmlns") {
329 330 if (context == m_context)
330 331 context = new XmlNameContext(m_context, m_xmlDepth);
331 332 context.DefinePrefix(attr.Value, string.Empty);
332 333 } else if (attr.Prefix == m_xmlnsPrefix) {
333 334 if (context == m_context)
334 335 context = new XmlNameContext(m_context, m_xmlDepth);
335 336 context.DefinePrefix(attr.Value, attr.QName.Name);
336 337 } else {
337 338 string attrPrefix;
338 339 if (string.IsNullOrEmpty(attr.QName.Namespace))
339 340 continue;
340 341
341 342 // auto-define prefixes
342 343 if (!context.LookupNamespacePrefix(attr.QName.Namespace, out attrPrefix) || string.IsNullOrEmpty(attrPrefix)) {
343 344 // new namespace prefix added
344 345 attrPrefix = context.CreateNamespacePrefix(attr.QName.Namespace);
345 346 attr.Prefix = attrPrefix;
346 347
347 348 if (definedAttrs == null)
348 349 definedAttrs = new List<XmlSimpleAttribute>();
349 350
350 351 definedAttrs.Add(new XmlSimpleAttribute(attrPrefix, m_xmlnsNamespace, m_xmlnsPrefix, attr.QName.Namespace));
351 352 }
352 353 }
353 354 }
354 355 }
355 356
356 357 string p;
357 358 // auto-define prefixes
358 359 if (!context.LookupNamespacePrefix(ns, out p)) {
359 360 if (context == m_context)
360 361 context = new XmlNameContext(m_context, m_xmlDepth);
361 362 p = context.CreateNamespacePrefix(ns);
362 363 if (definedAttrs == null)
363 364 definedAttrs = new List<XmlSimpleAttribute>();
364 365
365 366 definedAttrs.Add(new XmlSimpleAttribute(p, m_xmlnsNamespace, m_xmlnsPrefix, ns));
366 367 }
367 368
368 369 if (definedAttrs != null) {
369 370 if (attrs != null)
370 371 definedAttrs.AddRange(attrs);
371 372 attrs = definedAttrs.ToArray();
372 373 }
373 374
374 375 if (!empty)
375 376 m_context = context;
376 377
377 378 m_nodeType = XmlNodeType.Element;
378 379 m_qName = new XmlQualifiedName(name, ns);
379 380 m_prefix = p;
380 381 m_value = null;
381 382 m_isEmpty = empty;
382 383 m_attributes = attrs;
383 384 }
384 385
385 386 void EndElementNode(string name, string ns) {
386 387 if (IsSibling()) {
387 388 // closing the element which has children
388 389 m_xmlDepth--;
389 390 }
390 391
391 392 string p;
392 393 if (!m_context.LookupNamespacePrefix(ns, out p))
393 394 throw new Exception($"Failed to lookup namespace '{ns}'");
394 395
395 396 if (m_context.Depth == m_xmlDepth)
396 397 m_context = m_context.ParentContext;
397 398
398 399 m_nodeType = XmlNodeType.EndElement;
399 400 m_prefix = p;
400 401 m_qName = new XmlQualifiedName(name, ns);
401 402 m_value = null;
402 403 m_attributes = null;
403 404 m_isEmpty = false;
404 405 }
405 406
406 407 void XmlDeclaration() {
407 408 if (!IsSibling()) // the node is nested
408 409 m_xmlDepth++;
409 410 m_nodeType = XmlNodeType.XmlDeclaration;
410 411 m_qName = new XmlQualifiedName("xml");
411 412 m_value = "version='1.0'";
412 413 m_prefix = string.Empty;
413 414 m_attributes = null;
414 415 m_isEmpty = false;
415 416 }
416 417
417 418 public override bool Read() {
418 419 try {
419 420 string elementName;
420 421 XmlSimpleAttribute[] elementAttrs = null;
421 422 MoveToElement();
422 423
423 424 switch (m_position) {
424 425 case JsonXmlReaderPosition.Initial:
425 426 m_jsonLocalName = m_jsonRootName;
426 427 m_jsonSkip = false;
427 428 XmlDeclaration();
428 429 m_position = JsonXmlReaderPosition.Declaration;
429 430 return true;
430 431 case JsonXmlReaderPosition.Declaration:
431 432 elementAttrs = new[] {
432 433 new XmlSimpleAttribute(m_xsiPrefix, m_xmlnsNamespace, m_xmlnsPrefix, m_xsiNamespace),
433 434 string.IsNullOrEmpty(m_jsonPrefix) ?
434 435 new XmlSimpleAttribute(m_xmlnsPrefix, string.Empty, string.Empty, m_jsonNamespace) :
435 436 new XmlSimpleAttribute(m_jsonPrefix, m_xmlnsNamespace, m_xmlnsPrefix, m_jsonNamespace)
436 437 };
437 438 break;
438 439 case JsonXmlReaderPosition.ValueElement:
439 440 if (!m_isEmpty) {
440 441 if (m_parser.ElementValue != null && !m_parser.ElementValue.Equals(string.Empty))
441 442 ValueNode(m_parser.ElementValue);
442 443 else
443 444 goto case JsonXmlReaderPosition.ValueContent;
444 445 m_position = JsonXmlReaderPosition.ValueContent;
445 446 return true;
446 447 } else {
447 448 m_position = JsonXmlReaderPosition.ValueEndElement;
448 449 break;
449 450 }
450 451 case JsonXmlReaderPosition.ValueContent:
451 452 EndElementNode(m_jsonValueName, m_jsonNamespace);
452 453 m_position = JsonXmlReaderPosition.ValueEndElement;
453 454 return true;
454 455 case JsonXmlReaderPosition.Eof:
455 456 case JsonXmlReaderPosition.Closed:
456 457 case JsonXmlReaderPosition.Error:
457 458 return false;
458 459 }
459 460
460 461 while (m_parser.Read()) {
461 462 var jsonName = m_nameTable.Add(m_parser.ElementName);
462 463
463 464 switch (m_parser.ElementType) {
464 465 case JsonElementType.BeginObject:
465 466 if (!EnterJsonObject(jsonName, out elementName))
466 467 continue;
467 468
468 469 m_position = JsonXmlReaderPosition.BeginObject;
469 470 ElementNode(elementName, m_jsonNamespace, elementAttrs, false);
470 471 break;
471 472 case JsonElementType.EndObject:
472 473 if (!LeaveJsonScope(out elementName))
473 474 continue;
474 475
475 476 m_position = JsonXmlReaderPosition.EndObject;
476 477 EndElementNode(elementName, m_jsonNamespace);
477 478 break;
478 479 case JsonElementType.BeginArray:
479 480 if (!EnterJsonArray(jsonName, out elementName))
480 481 continue;
481 482
482 483 m_position = JsonXmlReaderPosition.BeginArray;
483 484 ElementNode(elementName, m_jsonNamespace, elementAttrs, false);
484 485 break;
485 486 case JsonElementType.EndArray:
486 487 if (!LeaveJsonScope(out elementName))
487 488 continue;
488 489
489 490 m_position = JsonXmlReaderPosition.EndArray;
490 491 EndElementNode(elementName, m_jsonNamespace);
491 492 break;
492 493 case JsonElementType.Value:
493 494 if (!VisitJsonValue(jsonName, out m_jsonValueName))
494 495 continue;
495 496
496 497 m_position = JsonXmlReaderPosition.ValueElement;
497 498 if (m_parser.ElementValue == null)
498 499 // generate empty element with xsi:nil="true" attribute
499 500 ElementNode(
500 501 m_jsonValueName,
501 502 m_jsonNamespace,
502 503 new[] {
503 504 new XmlSimpleAttribute("nil", m_xsiNamespace, m_xsiPrefix, "true")
504 505 },
505 506 true
506 507 );
507 508 else
508 509 ElementNode(m_jsonValueName, m_jsonNamespace, elementAttrs, m_parser.ElementValue.Equals(string.Empty));
509 510 break;
510 511 default:
511 512 throw new Exception($"Unexpected JSON element {m_parser.ElementType}: {m_parser.ElementName}");
512 513 }
513 514 return true;
514 515 }
515 516
516 517 m_position = JsonXmlReaderPosition.Eof;
517 518 return false;
518 519 } catch {
519 520 m_position = JsonXmlReaderPosition.Error;
520 521 throw;
521 522 }
522 523 }
523 524
524 525 void SaveJsonName() {
525 526 m_jsonNameStack.Push(new JsonContext {
526 527 skip = m_jsonSkip,
527 528 localName = m_jsonLocalName
528 529 });
529 530
530 531 }
531 532
532 533 bool EnterJsonObject(string name, out string elementName) {
533 534 SaveJsonName();
534 535 m_jsonSkip = false;
535 536
536 537 if (string.IsNullOrEmpty(name)) {
537 538 if (m_jsonNameStack.Count != 1 && !m_jsonFlattenArrays)
538 539 m_jsonLocalName = m_jsonArrayItemName;
539 540 } else {
540 541 m_jsonLocalName = name;
541 542 }
542 543
543 544 elementName = m_jsonLocalName;
544 545 return true;
545 546 }
546 547
547 548 /// <summary>
548 549 /// Called when JSON parser visits BeginArray ('[') element.
549 550 /// </summary>
550 551 /// <param name="name">Optional property name if the array is the member of an object</param>
551 552 /// <returns>true if element should be emited, false otherwise</returns>
552 553 bool EnterJsonArray(string name, out string elementName) {
553 554 SaveJsonName();
554 555
555 556 if (string.IsNullOrEmpty(name)) {
556 557 // m_jsonNameStack.Count == 1 means the root node
557 558 if (m_jsonNameStack.Count != 1 && !m_jsonFlattenArrays)
558 559 m_jsonLocalName = m_jsonArrayItemName;
559 560
560 561 m_jsonSkip = false; // we should not flatten arrays inside arrays or in the document root
561 562 } else {
562 563 m_jsonLocalName = name;
563 564 m_jsonSkip = m_jsonFlattenArrays;
564 565 }
565 566 elementName = m_jsonLocalName;
566 567
567 568 return !m_jsonSkip;
568 569 }
569 570
570 571 bool VisitJsonValue(string name, out string elementName) {
571 572 if (string.IsNullOrEmpty(name)) {
572 573 // m_jsonNameStack.Count == 0 means that JSON document consists from simple value
573 574 elementName = (m_jsonNameStack.Count == 0 || m_jsonFlattenArrays) ? m_jsonLocalName : m_jsonArrayItemName;
574 575 } else {
575 576 elementName = name;
576 577 }
577 578 return true;
578 579 }
579 580
580 581 bool LeaveJsonScope(out string elementName) {
581 582 elementName = m_jsonLocalName;
582 583 var skip = m_jsonSkip;
583 584
584 585 var prev = m_jsonNameStack.Pop();
585 586 m_jsonLocalName = prev.localName;
586 587 m_jsonSkip = prev.skip;
587 588
588 589 return !skip;
589 590 }
590 591
592 protected override void Dispose(bool disposing) {
593 if (disposing)
594 Safe.Dispose(m_parser);
595 base.Dispose(true);
596 }
597
591 598 public override string ToString() {
592 599 switch (NodeType) {
593 600 case XmlNodeType.Element:
594 601 return $"<{Name} {string.Join(" ", (m_attributes ?? new XmlSimpleAttribute[0]).Select(x => $"{x.Prefix}{(string.IsNullOrEmpty(x.Prefix) ? "" : ":")}{x.QName.Name}='{x.Value}'"))} {(IsEmptyElement ? "/" : "")}>";
595 602 case XmlNodeType.Attribute:
596 603 return $"@{Name}";
597 604 case XmlNodeType.Text:
598 605 return $"{Value}";
599 606 case XmlNodeType.CDATA:
600 607 return $"<![CDATA[{Value}]]>";
601 608 case XmlNodeType.EntityReference:
602 609 return $"&{Name};";
603 610 case XmlNodeType.EndElement:
604 611 return $"</{Name}>";
605 612 default:
606 613 return $".{NodeType} {Name} {Value}";
607 614 }
608 615 }
616
617 #region static methods
618
619 public static JsonXmlReader CreateJsonXmlReader(TextReader textReader, JsonXmlReaderOptions options = null) {
620 var jsonReader = JsonReader.Create(textReader);
621 return new JsonXmlReader(jsonReader, options);
622 }
623
624 public static JsonXmlReader CreateJsonXmlReader(Stream stream, JsonXmlReaderOptions options = null) {
625 var jsonReader = JsonReader.Create(stream);
626 return new JsonXmlReader(jsonReader, options);
627 }
628
629 public static JsonXmlReader CreateJsonXmlReader(string file, JsonXmlReaderOptions options = null) {
630 var jsonReader = JsonReader.Create(file);
631 return new JsonXmlReader(jsonReader, options);
632 }
633
634 #endregion
609 635 }
610 636 }
Show file before | Show file after | Hide comments
@@ -1,65 +1,96
1 1 using System;
2 2 using System.Collections.Generic;
3 3 using System.IO;
4 4 using System.Linq;
5 using System.Reflection;
5 6 using System.Text;
6 7 using System.Threading.Tasks;
7 8 using System.Xml;
8 9 using System.Xml.Linq;
10 using System.Xml.Serialization;
9 11
10 12 namespace Implab.Xml {
11 13 public static class SerializationHelpers {
12 14 public static string SerializeAsString<T>(T obj) {
13 15 return SerializersPool<T>.Instance.SerializeAsString(obj);
14 16 }
15 17
16 18 public static void Serialize<T>(XmlWriter writer, T obj) {
17 19 SerializersPool<T>.Instance.Serialize(writer, obj);
18 20 }
19 21
20 22 public static XmlDocument SerializeAsXmlDocument<T>(T obj) {
21 23 var doc = new XmlDocument();
22 24 using (var writer = doc.CreateNavigator().AppendChild()) {
23 25 SerializersPool<T>.Instance.Serialize(writer, obj);
24 26 }
25 27 return doc;
26 28 }
27 29
28 30 public static XDocument SerializeAsXDocument<T>(T obj) {
29 31 var doc = new XDocument();
30 32 using (var writer = doc.CreateWriter()) {
31 33 SerializersPool<T>.Instance.Serialize(writer, obj);
32 34 }
33 35 return doc;
34 36 }
35 37
36 38 public static void SerializeToFile<T>(string file, T obj) {
37 39 using (var writer = File.CreateText(file))
38 40 SerializersPool<T>.Instance.Serialize(writer, obj);
39 41 }
40 42
41 43 public static void SerializeToElementChild<T>(XmlElement element, T obj) {
42 44 using(var writer = element.CreateNavigator().AppendChild())
43 45 SerializersPool<T>.Instance.Serialize(writer, obj);
44 46 }
45 47
46 48 public static T Deserialize<T>(XmlReader reader) {
47 49 return SerializersPool<T>.Instance.Deserialize(reader);
48 50 }
49 51
50 52 public static T DeserializeFromFile<T>(string file) {
51 53 using(var reader = XmlReader.Create(File.OpenText(file)))
52 54 return Deserialize<T>(reader);
53 55 }
54 56
55 57 public static T DeserializeFromString<T>(string data) {
56 58 return SerializersPool<T>.Instance.DeserializeFromString(data);
57 59 }
58 60
59 61 public static T DeserializeFromXmlNode<T>(XmlNode node) {
60 62 Safe.ArgumentNotNull(node, nameof(node));
61 63 using (var reader = node.CreateNavigator().ReadSubtree())
62 64 return SerializersPool<T>.Instance.Deserialize(reader);
63 65 }
66
67 public static T DeserializeJson<T>(TextReader textReader) {
68 var options = new JsonXmlReaderOptions {
69 NamespaceUri = typeof(T).GetCustomAttribute<XmlRootAttribute>()?.Namespace,
70 RootName = typeof(T).Name,
71 FlattenArrays = true
72 };
73
74 using(var reader = JsonXmlReader.CreateJsonXmlReader(textReader, options))
75 return Deserialize<T>(reader);
76 }
77
78 public static T DeserializeJsonFromString<T>(string data) {
79 using(var reader = new StringReader(data)) {
80 return DeserializeJson<T>(reader);
81 }
82 }
83
84 public static void SerializeJson<T>(TextWriter writer, T obj) {
85 var doc = SerializeAsXmlDocument(obj);
86 XmlToJson.Default.Transform(doc, null, writer);
87 }
88
89 public static string SerializeJsonAsString<T>(T obj) {
90 using(var writer = new StringWriter()) {
91 SerializeJson(writer, obj);
92 return writer.ToString();
93 }
94 }
64 95 }
65 96 }
General Comments 3
Under Review
sergey
author
Comment #7
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Auto status change to "Under Review"

Approved
sergey
author
Comment #8
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ok, latest stable version should be in default

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