403 lines
14 KiB
C#
403 lines
14 KiB
C#
#region License
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//
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// The Open Toolkit Library License
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//
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// Copyright (c) 2006 - 2011 the Open Toolkit library.
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//
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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 to
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// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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// the Software, and to permit persons to whom the Software is furnished to do
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// so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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// OTHER DEALINGS IN THE SOFTWARE.
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//
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#endregion
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using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.IO;
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using System.Linq;
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using System.Text;
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using Bind.Structures;
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namespace Bind
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{
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using Delegate = Bind.Structures.Delegate;
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using Enum = Bind.Structures.Enum;
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using Type = Bind.Structures.Type;
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sealed class JavaSpecWriter : ISpecWriter
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{
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readonly char[] numbers = "0123456789".ToCharArray();
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const string DigitPrefix = "T"; // Prefix for identifiers that start with a digit
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const string OutputFileHeader = "GL.java";
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BindStreamWriter sw_h = new BindStreamWriter(Path.GetTempFileName());
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IBind Generator { get; set; }
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Settings Settings { get { return Generator.Settings; } }
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#region WriteBindings
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public void WriteBindings(IBind generator)
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{
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Generator = generator;
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WriteBindings(generator.Delegates, generator.Wrappers, generator.Enums);
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}
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void WriteBindings(DelegateCollection delegates, FunctionCollection wrappers, EnumCollection enums)
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{
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Console.WriteLine("Writing bindings to {0}", Settings.OutputPath);
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if (!Directory.Exists(Settings.OutputPath))
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Directory.CreateDirectory(Settings.OutputPath);
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// Hack: Fix 3dfx extension category so it doesn't start with a digit
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if (wrappers.ContainsKey("3dfx"))
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{
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var three_dee_fx = wrappers["3dfx"];
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wrappers.Remove("3dfx");
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wrappers.Add(DigitPrefix + "3dfx", three_dee_fx);
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}
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using (var sw = sw_h)
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{
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WriteLicense(sw);
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sw.WriteLine("package {0}.{1};", Settings.OutputNamespace, Settings.GLClass);
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sw.WriteLine();
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sw.WriteLine("import java.nio.*;");
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sw.WriteLine();
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WriteDefinitions(sw, enums, wrappers, Generator.CSTypes);
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sw.Flush();
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sw.Close();
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}
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string output_header = Path.Combine(Settings.OutputPath, OutputFileHeader);
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Move(sw_h.File, output_header);
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}
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void Move(string file, string dest)
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{
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if (File.Exists(dest))
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File.Delete(dest);
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File.Move(file, dest);
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}
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#endregion
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#region WriteDefinitions
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void WriteDefinitions(BindStreamWriter sw,
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EnumCollection enums, FunctionCollection wrappers,
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IDictionary<string, string> CSTypes)
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{
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sw.WriteLine("public class {0}", Settings.GLClass);
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sw.WriteLine("{");
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sw.Indent();
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foreach (string extension in wrappers.Keys)
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{
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if (extension != "Core")
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{
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sw.WriteLine("public static class {0}", extension);
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sw.WriteLine("{");
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sw.Indent();
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}
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// Write wrappers
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foreach (var f in wrappers[extension])
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{
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WriteWrapper(f, sw);
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}
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if (extension != "Core")
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{
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sw.Unindent();
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sw.WriteLine("}");
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}
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}
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WriteEnums(sw, enums);
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sw.Unindent();
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sw.WriteLine("}");
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}
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#endregion
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#region WriteEnums
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public void WriteEnums(BindStreamWriter sw, EnumCollection enums)
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{
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foreach (Enum @enum in enums.Values)
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{
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sw.WriteLine("public enum {0}", @enum.Name);
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sw.WriteLine("{");
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sw.Indent();
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int count = @enum.ConstantCollection.Values.Count;
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if (count == 0)
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{
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// Java enums must have at least one value.
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sw.WriteLine("None;");
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}
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else
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{
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foreach (var c in @enum.ConstantCollection.Values)
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{
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sw.WriteLine(String.Format("{0}({1}{2}){3}",
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c.Name,
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!String.IsNullOrEmpty(c.Reference) ? (c.Reference + Settings.NamespaceSeparator) : "",
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!String.IsNullOrEmpty(c.Reference) ? c.Value : c.Value.ToLower(),
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--count == 0 ? ";" : ","));
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}
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sw.WriteLine();
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sw.WriteLine("{0} mValue;", @enum.Type);
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sw.WriteLine("{0}({1} value) {{ mValue = value; }}", @enum.Name, @enum.Type);
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}
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sw.Unindent();
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sw.WriteLine("}");
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sw.WriteLine();
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}
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}
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#endregion
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#region WriteWrappers
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static void WriteWrapper(Function f, BindStreamWriter sw)
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{
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var valid = true;
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var generic_parameters = GenerateGenericTypeString(f);
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var parameters = GenerateParameterString(f, out valid);
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var ret_parameter = GenerateReturnParameterString(f);
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if (!valid)
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return;
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if (!String.IsNullOrEmpty(generic_parameters))
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sw.WriteLine("public static <{0}> {1} {2}({3})", generic_parameters,
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ret_parameter, f.TrimmedName, parameters);
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else
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sw.WriteLine("public static {0} {1}({2})", ret_parameter, f.TrimmedName,
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parameters);
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sw.WriteLine("{");
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sw.Indent();
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WriteMethodBody(sw, f);
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sw.Unindent();
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sw.WriteLine("}");
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}
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static void WriteMethodBody(BindStreamWriter sw, Function f)
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{
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//var callstring = f.Parameters.CallString();
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//if (f.ReturnType != null && !f.ReturnType.ToString().ToLower().Contains("void"))
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// sw.WriteLine("return GLES20.{0}{1};", f.WrappedDelegate.Name, callstring);
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//else
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// sw.WriteLine("GLES20.{0}{1};", f.WrappedDelegate.Name, callstring);
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}
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static string GenerateParameterString(Function f, out bool valid)
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{
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if (f == null)
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throw new ArgumentNullException("f");
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valid = true;
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var sb = new StringBuilder();
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if (f.Parameters.Count > 0)
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{
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foreach (var p in f.Parameters)
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{
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if (p.Reference)
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{
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// Use a boxed type instead of primitives (i.e. "Byte" rather than "byte"), since
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// the former are reference types. We don't need to do anything for regular reference
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// types.
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// Hack: we do this by upper-casing the first letter of the type. This should work for
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// all primitive types, but won't work for enums and other reference types. In these
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// cases, we'll just ignore the reference overload.
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if (Char.IsLower(p.CurrentType[0]))
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{
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// Hack: Int -> Integer and Bool -> Boolean
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if (p.CurrentType == "int")
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sb.Append("Integer");
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else if (p.CurrentType == "bool")
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sb.Append("Boolean");
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else
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sb.Append(Char.ToUpper(p.CurrentType[0]) + p.CurrentType.Substring(1));
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}
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else
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{
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valid = false;
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return String.Empty;
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}
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}
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else if (p.Array > 0)
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{
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// Generic arrays are handled in the IntPtr case below.
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if (p.Generic)
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{
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valid = false;
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return String.Empty;
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}
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sb.Append(p.CurrentType);
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for (int i = 0; i < p.Array; i++)
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sb.Append("[]");
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}
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else if (p.Pointer > 0)
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{
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// Java does not support pointers
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// Todo: maybe use one of the java.nio.* pointer classes?
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valid = false;
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return String.Empty;
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}
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else if (p.CurrentType == "IntPtr")
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{
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sb.Append("Buffer");
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}
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else
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{
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sb.Append(p.CurrentType);
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}
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sb.Append(" ");
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sb.Append(p.Name);
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sb.Append(", ");
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}
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if (f.Parameters.Count > 0)
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sb.Remove(sb.Length - 2, 2);
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}
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return sb.ToString();
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}
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static string GenerateGenericTypeString(Function f)
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{
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var parameters = f.Parameters.Where(p => p.Generic);
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if (parameters.Count() > 0)
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{
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var sb = new StringBuilder();
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foreach (var p in f.Parameters.Where(p => p.Generic))
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{
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sb.Append(p.CurrentType);
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sb.Append(", ");
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}
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if (parameters.Count() > 0)
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sb.Remove(sb.Length - 2, 2);
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return sb.ToString();
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}
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return String.Empty;
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}
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private static string GenerateReturnParameterString(Function f)
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{
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if (f.ReturnType.CurrentType == "IntPtr")
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return "Buffer";
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else
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return f.ReturnType.CurrentType;
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}
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DocProcessor processor_;
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DocProcessor Processor
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{
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get
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{
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if (processor_ == null)
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processor_ = new DocProcessor(Path.Combine(Settings.DocPath, Settings.DocFile));
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return processor_;
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}
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}
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Dictionary<string, string> docfiles;
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void WriteDocumentation(BindStreamWriter sw, Function f)
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{
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if (docfiles == null)
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{
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docfiles = new Dictionary<string, string>();
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foreach (string file in Directory.GetFiles(Settings.DocPath))
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{
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docfiles.Add(Path.GetFileName(file), file);
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}
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}
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string docfile = null;
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try
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{
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docfile = Settings.FunctionPrefix + f.WrappedDelegate.Name + ".xml";
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if (!docfiles.ContainsKey(docfile))
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docfile = Settings.FunctionPrefix + f.TrimmedName + ".xml";
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if (!docfiles.ContainsKey(docfile))
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docfile = Settings.FunctionPrefix + f.TrimmedName.TrimEnd(numbers) + ".xml";
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string doc = null;
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if (docfiles.ContainsKey(docfile))
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{
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doc = Processor.ProcessFile(docfiles[docfile]);
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}
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if (doc == null)
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{
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doc = "/// <summary></summary>";
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}
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int summary_start = doc.IndexOf("<summary>") + "<summary>".Length;
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string warning = "[deprecated: v{0}]";
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string category = "[requires: {0}]";
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if (f.Deprecated)
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{
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warning = String.Format(warning, f.DeprecatedVersion);
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doc = doc.Insert(summary_start, warning);
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}
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if (f.Extension != "Core" && !String.IsNullOrEmpty(f.Category))
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{
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category = String.Format(category, f.Category);
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doc = doc.Insert(summary_start, category);
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}
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else if (!String.IsNullOrEmpty(f.Version))
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{
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if (f.Category.StartsWith("VERSION"))
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category = String.Format(category, "v" + f.Version);
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else
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category = String.Format(category, "v" + f.Version + " and " + f.Category);
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doc = doc.Insert(summary_start, category);
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}
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sw.WriteLine(doc);
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}
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catch (Exception e)
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{
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Console.WriteLine("[Warning] Error processing file {0}: {1}", docfile, e.ToString());
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}
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}
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#endregion
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#region WriteLicense
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public void WriteLicense(BindStreamWriter sw)
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{
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sw.WriteLine(File.ReadAllText(Path.Combine(Settings.InputPath, Settings.LicenseFile)));
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sw.WriteLine();
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}
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#endregion
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}
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}
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