summaryrefslogtreecommitdiff
path: root/mcs/class/corlib/System.Globalization/RegionInfo.cs
blob: 4f11e37791ebc93a794c7331175da8fab6ac4aa6 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
//
// System.Globalization.RegionInfo.cs
//
// Authors:
//	Atsushi Enomoto  <atsushi@ximian.com>
//   Marek Safar (marek.safar@gmail.com)
//
// Copyright (C) 2005 Novell, Inc (http://www.novell.com)
// Copyright (C) 2012 Xamarin Inc (http://www.xamarin.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
// 
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;

namespace System.Globalization
{
	[System.Runtime.InteropServices.ComVisible(true)]
	[Serializable]
	[StructLayout (LayoutKind.Sequential)]
	public partial class RegionInfo
	{
		static RegionInfo currentRegion;

		public static RegionInfo CurrentRegion {
			get {
				if (currentRegion == null) {
					CultureInfo ci = CultureInfo.CurrentCulture;
					if (ci != null)
						return currentRegion = new RegionInfo (ci);

#if MONOTOUCH
					currentRegion = CreateFromNSLocale ();
#endif
				}
				return currentRegion;
			}
		}
		
		// the following (instance) fields must be _first_ and stay synchronized
		// with the mono's MonoRegionInfo defined in mono/metadata/object-internals.h
#pragma warning disable 649
		int regionId;
		string iso2Name;
		string iso3Name;
		string win3Name;
		string englishName;
		string nativeName;
		string currencySymbol;
		string isoCurrencySymbol;
		string currencyEnglishName;
		string currencyNativeName;
#pragma warning restore 649
		
		public RegionInfo (int culture)
		{
			if (!GetByTerritory (CultureInfo.GetCultureInfo (culture)))
				throw new ArgumentException (
					String.Format ("Region ID {0} (0x{0:X4}) is not a supported region.", culture), "culture");
		}

		public RegionInfo (string name)
		{
			if (name == null)
				throw new ArgumentNullException ();

			if (construct_internal_region_from_name (name.ToUpperInvariant ())) {
				return;
			}
			if (!GetByTerritory (CultureInfo.GetCultureInfo (name)))
				throw new ArgumentException (String.Format ("Region name {0} is not supported.", name), "name");
		}

		RegionInfo (CultureInfo ci)
		{
			if (ci.LCID == CultureInfo.InvariantCultureId) {
				regionId = 244;
				iso2Name = "IV";
				iso3Name = "ivc";
				win3Name = "IVC";
				nativeName = englishName = "Invariant Country";
				currencySymbol = "\u00A4";
				isoCurrencySymbol ="XDR";
				currencyEnglishName = currencyNativeName = "International Monetary Fund";
				return;
			}

			if (ci.Territory == null)
				throw new NotImplementedException ("Neutral region info");

			construct_internal_region_from_name (ci.Territory.ToUpperInvariant ());
		}

		bool GetByTerritory (CultureInfo ci)
		{
			if (ci == null)
				throw new Exception ("INTERNAL ERROR: should not happen.");
			if (ci.IsNeutralCulture || ci.Territory == null)
				return false;

			return construct_internal_region_from_name (ci.Territory.ToUpperInvariant ());
		}

		[MethodImplAttribute (MethodImplOptions.InternalCall)]
		private extern bool construct_internal_region_from_name (string name);

		[System.Runtime.InteropServices.ComVisible(false)]
		public virtual string CurrencyEnglishName {
			get { return currencyEnglishName; }
		}

		public virtual string CurrencySymbol {
			get { return currencySymbol; }
		}

		[MonoTODO ("DisplayName currently only returns the EnglishName")]
		public virtual string DisplayName {
			get { return englishName; }
		}

		public virtual string EnglishName {
			get { return englishName; }
		}

		[System.Runtime.InteropServices.ComVisible(false)]
		public virtual int GeoId {
			get { return regionId; }
		}

		public virtual bool IsMetric {
			get {
				switch (iso2Name) {
				case "US":
				case "UK":
					return false;
				default:
					return true;
				}
			}
		}

		public virtual string ISOCurrencySymbol {
			get { return isoCurrencySymbol; }
		}

		[ComVisible(false)]
		public virtual string NativeName {
			get { return nativeName; }
		}

		[ComVisible(false)]
		public virtual string CurrencyNativeName {
			get { return currencyNativeName; }
		}

		public virtual string Name {
			get { return iso2Name; }
		}

		public virtual string ThreeLetterISORegionName {
			get { return iso3Name; }
		}

		public virtual string ThreeLetterWindowsRegionName {
			get { return win3Name; }
		}
		
		public virtual string TwoLetterISORegionName {
			get { return iso2Name; }
		}

		public override bool Equals (object value)
		{
			RegionInfo other = value as RegionInfo;
			return other != null && Name == other.Name;
		}

		public override int GetHashCode ()
		{
			return Name.GetHashCode ();
		}

		public override string ToString ()
		{
			return Name;
		}
	}
}