78 lines
2.6 KiB
C#
78 lines
2.6 KiB
C#
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/*
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Copyright (c) 2015 Ki
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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using System.IO;
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using System.Text;
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using System.Xml.Linq;
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namespace dnSpy.BamlDecompiler.Xaml {
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internal static class XamlUtils {
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public static string Escape(string value) {
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if (value.Length == 0)
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return value;
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if (value[0] == '{')
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return "{}" + value;
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return value;
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}
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public static string ToString(this XamlContext ctx, XElement elem, XamlType type) {
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type.ResolveNamespace(elem, ctx);
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return ctx.ToString(elem, type.ToXName(ctx));
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}
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public static string ToString(this XamlContext ctx, XElement elem, XName name) {
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var sb = new StringBuilder();
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if (name.Namespace != elem.GetDefaultNamespace() &&
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name.Namespace != elem.Name.Namespace &&
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!string.IsNullOrEmpty(name.Namespace.NamespaceName)) {
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sb.Append(elem.GetPrefixOfNamespace(name.Namespace));
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sb.Append(':');
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}
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sb.Append(name.LocalName);
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return sb.ToString();
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}
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public static double ReadXamlDouble(this BinaryReader reader, bool scaledInt = false) {
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if (!scaledInt) {
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switch (reader.ReadByte()) {
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case 1:
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return 0;
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case 2:
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return 1;
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case 3:
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return -1;
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case 4:
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break;
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case 5:
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return reader.ReadDouble();
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default:
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throw new InvalidDataException("Unknown double type.");
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}
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}
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// Dividing by 1000000.0 is important to get back the original numbers, we can't
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// multiply by the inverse of it (0.000001).
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// (11700684 * 0.000001) != (11700684 / 1000000.0) => 11.700683999999999 != 11.700684
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return reader.ReadInt32() / 1000000.0;
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}
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}
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}
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