#region Header
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/**
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* JsonData.cs
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* Generic type to hold JSON data (objects, arrays, and so on). This is
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* the default type returned by JsonMapper.ToObject().
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*
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* The authors disclaim copyright to this source code. For more details, see
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* the COPYING file included with this distribution.
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**/
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#endregion
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|
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.Collections.Specialized;
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using System.IO;
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|
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namespace LitJson
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{
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public class JsonData : IJsonWrapper, IEquatable<JsonData>
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{
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#region Fields
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private IList<JsonData> inst_array;
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private bool inst_boolean;
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private double inst_double;
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private int inst_int;
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private long inst_long;
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private IDictionary<string, JsonData> inst_object;
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private string inst_string;
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private string json;
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private JsonType type;
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// Used to implement the IOrderedDictionary interface
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private IList<KeyValuePair<string, JsonData>> object_list;
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#endregion
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#region Properties
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public int Count {
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get { return EnsureCollection ().Count; }
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}
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public bool IsArray {
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get { return type == JsonType.Array; }
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}
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public bool IsBoolean {
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get { return type == JsonType.Boolean; }
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}
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public bool IsDouble {
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get { return type == JsonType.Double; }
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}
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public bool IsInt {
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get { return type == JsonType.Int; }
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}
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public bool IsLong {
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get { return type == JsonType.Long; }
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}
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public bool IsObject {
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get { return type == JsonType.Object; }
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}
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public bool IsString {
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get { return type == JsonType.String; }
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}
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public ICollection<string> Keys {
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get { EnsureDictionary (); return inst_object.Keys; }
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}
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#endregion
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#region ICollection Properties
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int ICollection.Count {
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get {
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return Count;
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}
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}
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bool ICollection.IsSynchronized {
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get {
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return EnsureCollection ().IsSynchronized;
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}
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}
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object ICollection.SyncRoot {
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get {
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return EnsureCollection ().SyncRoot;
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}
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}
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#endregion
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#region IDictionary Properties
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bool IDictionary.IsFixedSize {
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get {
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return EnsureDictionary ().IsFixedSize;
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}
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}
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bool IDictionary.IsReadOnly {
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get {
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return EnsureDictionary ().IsReadOnly;
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}
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}
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ICollection IDictionary.Keys {
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get {
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EnsureDictionary ();
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IList<string> keys = new List<string> ();
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foreach (KeyValuePair<string, JsonData> entry in
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object_list) {
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keys.Add (entry.Key);
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}
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return (ICollection) keys;
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}
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}
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ICollection IDictionary.Values {
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get {
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EnsureDictionary ();
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IList<JsonData> values = new List<JsonData> ();
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foreach (KeyValuePair<string, JsonData> entry in
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object_list) {
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values.Add (entry.Value);
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}
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return (ICollection) values;
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}
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}
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#endregion
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#region IJsonWrapper Properties
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bool IJsonWrapper.IsArray {
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get { return IsArray; }
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}
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bool IJsonWrapper.IsBoolean {
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get { return IsBoolean; }
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}
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bool IJsonWrapper.IsDouble {
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get { return IsDouble; }
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}
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bool IJsonWrapper.IsInt {
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get { return IsInt; }
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}
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bool IJsonWrapper.IsLong {
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get { return IsLong; }
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}
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bool IJsonWrapper.IsObject {
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get { return IsObject; }
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}
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bool IJsonWrapper.IsString {
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get { return IsString; }
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}
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#endregion
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#region IList Properties
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bool IList.IsFixedSize {
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get {
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return EnsureList ().IsFixedSize;
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}
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}
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bool IList.IsReadOnly {
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get {
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return EnsureList ().IsReadOnly;
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}
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}
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#endregion
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#region IDictionary Indexer
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object IDictionary.this[object key] {
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get {
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return EnsureDictionary ()[key];
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}
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set {
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if (! (key is String))
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throw new ArgumentException (
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"The key has to be a string");
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JsonData data = ToJsonData (value);
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this[(string) key] = data;
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}
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}
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#endregion
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#region IOrderedDictionary Indexer
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object IOrderedDictionary.this[int idx] {
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get {
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EnsureDictionary ();
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return object_list[idx].Value;
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}
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set {
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EnsureDictionary ();
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JsonData data = ToJsonData (value);
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KeyValuePair<string, JsonData> old_entry = object_list[idx];
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inst_object[old_entry.Key] = data;
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KeyValuePair<string, JsonData> entry =
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new KeyValuePair<string, JsonData> (old_entry.Key, data);
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object_list[idx] = entry;
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}
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}
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#endregion
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#region IList Indexer
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object IList.this[int index] {
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get {
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return EnsureList ()[index];
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}
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set {
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EnsureList ();
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JsonData data = ToJsonData (value);
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this[index] = data;
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}
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}
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#endregion
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#region Public Indexers
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public JsonData this[string prop_name] {
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get {
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EnsureDictionary ();
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return inst_object[prop_name];
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}
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set {
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EnsureDictionary ();
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KeyValuePair<string, JsonData> entry =
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new KeyValuePair<string, JsonData> (prop_name, value);
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if (inst_object.ContainsKey (prop_name)) {
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for (int i = 0; i < object_list.Count; i++) {
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if (object_list[i].Key == prop_name) {
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object_list[i] = entry;
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break;
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}
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}
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} else
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object_list.Add (entry);
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inst_object[prop_name] = value;
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json = null;
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}
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}
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public JsonData this[int index] {
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get {
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EnsureCollection ();
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if (type == JsonType.Array)
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return inst_array[index];
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return object_list[index].Value;
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}
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set {
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EnsureCollection ();
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if (type == JsonType.Array)
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inst_array[index] = value;
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else {
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KeyValuePair<string, JsonData> entry = object_list[index];
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KeyValuePair<string, JsonData> new_entry =
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new KeyValuePair<string, JsonData> (entry.Key, value);
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object_list[index] = new_entry;
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inst_object[entry.Key] = value;
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}
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json = null;
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}
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}
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#endregion
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#region Constructors
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public JsonData ()
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{
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}
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public JsonData (bool boolean)
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{
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type = JsonType.Boolean;
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inst_boolean = boolean;
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}
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public JsonData (double number)
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{
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type = JsonType.Double;
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inst_double = number;
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}
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public JsonData (int number)
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{
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type = JsonType.Int;
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inst_int = number;
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}
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public JsonData (long number)
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{
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type = JsonType.Long;
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inst_long = number;
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}
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public JsonData (object obj)
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{
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if (obj is Boolean) {
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type = JsonType.Boolean;
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inst_boolean = (bool) obj;
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return;
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}
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if (obj is Double) {
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type = JsonType.Double;
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inst_double = (double) obj;
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return;
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}
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if (obj is Int32) {
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type = JsonType.Int;
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inst_int = (int) obj;
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return;
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}
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if (obj is Int64) {
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type = JsonType.Long;
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inst_long = (long) obj;
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return;
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}
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if (obj is String) {
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type = JsonType.String;
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inst_string = (string) obj;
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return;
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}
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throw new ArgumentException (
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"Unable to wrap the given object with JsonData");
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}
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public JsonData (string str)
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{
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type = JsonType.String;
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inst_string = str;
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}
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#endregion
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#region Implicit Conversions
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public static implicit operator JsonData (Boolean data)
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{
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return new JsonData (data);
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}
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public static implicit operator JsonData (Double data)
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{
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return new JsonData (data);
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}
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public static implicit operator JsonData (Int32 data)
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{
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return new JsonData (data);
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}
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public static implicit operator JsonData (Int64 data)
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{
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return new JsonData (data);
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}
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public static implicit operator JsonData (String data)
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{
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return new JsonData (data);
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}
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#endregion
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#region Explicit Conversions
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public static explicit operator Boolean (JsonData data)
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{
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if (data.type != JsonType.Boolean)
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throw new InvalidCastException (
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"Instance of JsonData doesn't hold a double");
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return data.inst_boolean;
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}
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public static explicit operator Double (JsonData data)
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{
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if (data.type != JsonType.Double)
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throw new InvalidCastException (
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"Instance of JsonData doesn't hold a double");
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return data.inst_double;
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}
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public static explicit operator Int32 (JsonData data)
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{
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if (data.type != JsonType.Int)
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throw new InvalidCastException (
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"Instance of JsonData doesn't hold an int");
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return data.inst_int;
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}
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public static explicit operator Int64 (JsonData data)
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{
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if (data.type != JsonType.Long)
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throw new InvalidCastException (
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"Instance of JsonData doesn't hold an int");
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return data.inst_long;
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}
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public static explicit operator String (JsonData data)
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{
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if (data.type != JsonType.String)
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throw new InvalidCastException (
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"Instance of JsonData doesn't hold a string");
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return data.inst_string;
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}
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#endregion
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#region ICollection Methods
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void ICollection.CopyTo (Array array, int index)
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{
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EnsureCollection ().CopyTo (array, index);
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}
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#endregion
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#region IDictionary Methods
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void IDictionary.Add (object key, object value)
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{
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JsonData data = ToJsonData (value);
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EnsureDictionary ().Add (key, data);
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KeyValuePair<string, JsonData> entry =
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new KeyValuePair<string, JsonData> ((string) key, data);
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object_list.Add (entry);
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json = null;
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}
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void IDictionary.Clear ()
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{
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EnsureDictionary ().Clear ();
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object_list.Clear ();
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json = null;
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}
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bool IDictionary.Contains (object key)
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{
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return EnsureDictionary ().Contains (key);
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}
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IDictionaryEnumerator IDictionary.GetEnumerator ()
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{
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return ((IOrderedDictionary) this).GetEnumerator ();
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}
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void IDictionary.Remove (object key)
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{
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EnsureDictionary ().Remove (key);
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for (int i = 0; i < object_list.Count; i++) {
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if (object_list[i].Key == (string) key) {
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object_list.RemoveAt (i);
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break;
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}
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}
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json = null;
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}
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#endregion
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#region IEnumerable Methods
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IEnumerator IEnumerable.GetEnumerator ()
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{
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return EnsureCollection ().GetEnumerator ();
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}
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#endregion
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#region IJsonWrapper Methods
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bool IJsonWrapper.GetBoolean ()
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{
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if (type != JsonType.Boolean)
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throw new InvalidOperationException (
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"JsonData instance doesn't hold a boolean");
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return inst_boolean;
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}
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double IJsonWrapper.GetDouble ()
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{
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if (type != JsonType.Double)
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throw new InvalidOperationException (
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"JsonData instance doesn't hold a double");
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return inst_double;
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}
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int IJsonWrapper.GetInt ()
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{
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if (type != JsonType.Int)
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throw new InvalidOperationException (
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"JsonData instance doesn't hold an int");
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return inst_int;
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}
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long IJsonWrapper.GetLong ()
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{
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if (type != JsonType.Long)
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throw new InvalidOperationException (
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"JsonData instance doesn't hold a long");
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return inst_long;
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}
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string IJsonWrapper.GetString ()
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{
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if (type != JsonType.String)
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throw new InvalidOperationException (
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"JsonData instance doesn't hold a string");
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return inst_string;
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}
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void IJsonWrapper.SetBoolean (bool val)
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{
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type = JsonType.Boolean;
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inst_boolean = val;
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json = null;
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}
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void IJsonWrapper.SetDouble (double val)
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{
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type = JsonType.Double;
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inst_double = val;
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json = null;
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}
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void IJsonWrapper.SetInt (int val)
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{
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type = JsonType.Int;
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inst_int = val;
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json = null;
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}
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void IJsonWrapper.SetLong (long val)
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{
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type = JsonType.Long;
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inst_long = val;
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json = null;
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}
|
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void IJsonWrapper.SetString (string val)
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{
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type = JsonType.String;
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inst_string = val;
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json = null;
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}
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string IJsonWrapper.ToJson ()
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{
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return ToJson ();
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}
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void IJsonWrapper.ToJson (JsonWriter writer)
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{
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ToJson (writer);
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}
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#endregion
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|
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#region IList Methods
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int IList.Add (object value)
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{
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return Add (value);
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}
|
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void IList.Clear ()
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{
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EnsureList ().Clear ();
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json = null;
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}
|
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bool IList.Contains (object value)
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{
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return EnsureList ().Contains (value);
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}
|
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int IList.IndexOf (object value)
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{
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return EnsureList ().IndexOf (value);
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}
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void IList.Insert (int index, object value)
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{
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EnsureList ().Insert (index, value);
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json = null;
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}
|
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void IList.Remove (object value)
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{
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EnsureList ().Remove (value);
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json = null;
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}
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void IList.RemoveAt (int index)
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{
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EnsureList ().RemoveAt (index);
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json = null;
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}
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#endregion
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|
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#region IOrderedDictionary Methods
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IDictionaryEnumerator IOrderedDictionary.GetEnumerator ()
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{
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EnsureDictionary ();
|
|
return new OrderedDictionaryEnumerator (
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object_list.GetEnumerator ());
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}
|
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void IOrderedDictionary.Insert (int idx, object key, object value)
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{
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string property = (string) key;
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JsonData data = ToJsonData (value);
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this[property] = data;
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KeyValuePair<string, JsonData> entry =
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new KeyValuePair<string, JsonData> (property, data);
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object_list.Insert (idx, entry);
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}
|
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void IOrderedDictionary.RemoveAt (int idx)
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{
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EnsureDictionary ();
|
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inst_object.Remove (object_list[idx].Key);
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object_list.RemoveAt (idx);
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}
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#endregion
|
|
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#region Private Methods
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private ICollection EnsureCollection ()
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{
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if (type == JsonType.Array)
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return (ICollection) inst_array;
|
|
if (type == JsonType.Object)
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return (ICollection) inst_object;
|
|
throw new InvalidOperationException (
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"The JsonData instance has to be initialized first");
|
}
|
|
private IDictionary EnsureDictionary ()
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{
|
if (type == JsonType.Object)
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return (IDictionary) inst_object;
|
|
if (type != JsonType.None)
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throw new InvalidOperationException (
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"Instance of JsonData is not a dictionary");
|
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type = JsonType.Object;
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inst_object = new Dictionary<string, JsonData> ();
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object_list = new List<KeyValuePair<string, JsonData>> ();
|
|
return (IDictionary) inst_object;
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}
|
|
private IList EnsureList ()
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{
|
if (type == JsonType.Array)
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return (IList) inst_array;
|
|
if (type != JsonType.None)
|
throw new InvalidOperationException (
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"Instance of JsonData is not a list");
|
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type = JsonType.Array;
|
inst_array = new List<JsonData> ();
|
|
return (IList) inst_array;
|
}
|
|
private JsonData ToJsonData (object obj)
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{
|
if (obj == null)
|
return null;
|
|
if (obj is JsonData)
|
return (JsonData) obj;
|
|
return new JsonData (obj);
|
}
|
|
private static void WriteJson (IJsonWrapper obj, JsonWriter writer)
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{
|
if (obj == null) {
|
writer.Write (null);
|
return;
|
}
|
|
if (obj.IsString) {
|
writer.Write (obj.GetString ());
|
return;
|
}
|
|
if (obj.IsBoolean) {
|
writer.Write (obj.GetBoolean ());
|
return;
|
}
|
|
if (obj.IsDouble) {
|
writer.Write (obj.GetDouble ());
|
return;
|
}
|
|
if (obj.IsInt) {
|
writer.Write (obj.GetInt ());
|
return;
|
}
|
|
if (obj.IsLong) {
|
writer.Write (obj.GetLong ());
|
return;
|
}
|
|
if (obj.IsArray) {
|
writer.WriteArrayStart ();
|
foreach (object elem in (IList) obj)
|
WriteJson ((JsonData) elem, writer);
|
writer.WriteArrayEnd ();
|
|
return;
|
}
|
|
if (obj.IsObject) {
|
writer.WriteObjectStart ();
|
|
foreach (DictionaryEntry entry in ((IDictionary) obj)) {
|
writer.WritePropertyName ((string) entry.Key);
|
WriteJson ((JsonData) entry.Value, writer);
|
}
|
writer.WriteObjectEnd ();
|
|
return;
|
}
|
}
|
#endregion
|
|
|
public int Add (object value)
|
{
|
JsonData data = ToJsonData (value);
|
|
json = null;
|
|
return EnsureList ().Add (data);
|
}
|
|
public void Clear ()
|
{
|
if (IsObject) {
|
((IDictionary) this).Clear ();
|
return;
|
}
|
|
if (IsArray) {
|
((IList) this).Clear ();
|
return;
|
}
|
}
|
|
public bool Equals (JsonData x)
|
{
|
if (x == null)
|
return false;
|
|
if (x.type != this.type)
|
return false;
|
|
switch (this.type) {
|
case JsonType.None:
|
return true;
|
|
case JsonType.Object:
|
return this.inst_object.Equals (x.inst_object);
|
|
case JsonType.Array:
|
return this.inst_array.Equals (x.inst_array);
|
|
case JsonType.String:
|
return this.inst_string.Equals (x.inst_string);
|
|
case JsonType.Int:
|
return this.inst_int.Equals (x.inst_int);
|
|
case JsonType.Long:
|
return this.inst_long.Equals (x.inst_long);
|
|
case JsonType.Double:
|
return this.inst_double.Equals (x.inst_double);
|
|
case JsonType.Boolean:
|
return this.inst_boolean.Equals (x.inst_boolean);
|
}
|
|
return false;
|
}
|
|
public JsonType GetJsonType ()
|
{
|
return type;
|
}
|
|
public void SetJsonType (JsonType type)
|
{
|
if (this.type == type)
|
return;
|
|
switch (type) {
|
case JsonType.None:
|
break;
|
|
case JsonType.Object:
|
inst_object = new Dictionary<string, JsonData> ();
|
object_list = new List<KeyValuePair<string, JsonData>> ();
|
break;
|
|
case JsonType.Array:
|
inst_array = new List<JsonData> ();
|
break;
|
|
case JsonType.String:
|
inst_string = default (String);
|
break;
|
|
case JsonType.Int:
|
inst_int = default (Int32);
|
break;
|
|
case JsonType.Long:
|
inst_long = default (Int64);
|
break;
|
|
case JsonType.Double:
|
inst_double = default (Double);
|
break;
|
|
case JsonType.Boolean:
|
inst_boolean = default (Boolean);
|
break;
|
}
|
|
this.type = type;
|
}
|
|
public string ToJson ()
|
{
|
if (json != null)
|
return json;
|
|
StringWriter sw = new StringWriter ();
|
JsonWriter writer = new JsonWriter (sw);
|
writer.Validate = false;
|
|
WriteJson (this, writer);
|
json = sw.ToString ();
|
|
return json;
|
}
|
|
public void ToJson (JsonWriter writer)
|
{
|
bool old_validate = writer.Validate;
|
|
writer.Validate = false;
|
|
WriteJson (this, writer);
|
|
writer.Validate = old_validate;
|
}
|
|
public override string ToString ()
|
{
|
switch (type) {
|
case JsonType.Array:
|
return "JsonData array";
|
|
case JsonType.Boolean:
|
return inst_boolean.ToString ();
|
|
case JsonType.Double:
|
return inst_double.ToString ();
|
|
case JsonType.Int:
|
return inst_int.ToString ();
|
|
case JsonType.Long:
|
return inst_long.ToString ();
|
|
case JsonType.Object:
|
return "JsonData object";
|
|
case JsonType.String:
|
return inst_string;
|
}
|
|
return "Uninitialized JsonData";
|
}
|
}
|
|
|
internal class OrderedDictionaryEnumerator : IDictionaryEnumerator
|
{
|
IEnumerator<KeyValuePair<string, JsonData>> list_enumerator;
|
|
|
public object Current {
|
get { return Entry; }
|
}
|
|
public DictionaryEntry Entry {
|
get {
|
KeyValuePair<string, JsonData> curr = list_enumerator.Current;
|
return new DictionaryEntry (curr.Key, curr.Value);
|
}
|
}
|
|
public object Key {
|
get { return list_enumerator.Current.Key; }
|
}
|
|
public object Value {
|
get { return list_enumerator.Current.Value; }
|
}
|
|
|
public OrderedDictionaryEnumerator (
|
IEnumerator<KeyValuePair<string, JsonData>> enumerator)
|
{
|
list_enumerator = enumerator;
|
}
|
|
|
public bool MoveNext ()
|
{
|
return list_enumerator.MoveNext ();
|
}
|
|
public void Reset ()
|
{
|
list_enumerator.Reset ();
|
}
|
}
|
}
|
