Opentk/Source/Bind/Structures/Enum.cs

293 lines
10 KiB
C#

#region --- License ---
/* Copyright (c) 2006, 2007 Stefanos Apostolopoulos
* See license.txt for license info
*/
#endregion
using System;
using System.Collections.Generic;
using System.Text;
using System.IO;
namespace Bind.Structures
{
#region class Enum
public class Enum
{
internal static EnumCollection GLEnums = new EnumCollection();
internal static EnumCollection AuxEnums = new EnumCollection();
static StringBuilder translator = new StringBuilder();
string _name;
static bool enumsLoaded;
#region Initialize
internal static void Initialize(string enumFile, string enumextFile, string auxFile)
{
Initialize(enumFile, enumextFile);
using (System.IO.StreamReader sr = new System.IO.StreamReader(Path.Combine(Settings.InputPath, auxFile)))
{
AuxEnums = Bind.MainClass.Generator.ReadEnums(sr);
}
}
internal static void Initialize(string enumFile, string enumextFile)
{
if (!enumsLoaded)
{
if (!String.IsNullOrEmpty(enumFile))
{
using (StreamReader sr = Utilities.OpenSpecFile(Settings.InputPath, enumFile))
{
GLEnums = Bind.MainClass.Generator.ReadEnums(sr);
}
}
if (!String.IsNullOrEmpty(enumextFile))
{
using (StreamReader sr = Utilities.OpenSpecFile(Settings.InputPath, enumextFile))
{
foreach (Bind.Structures.Enum e in Bind.MainClass.Generator.ReadEnums(sr).Values)
{
//enums.Add(e.Name, e);
Utilities.Merge(GLEnums, e);
}
}
}
enumsLoaded = true;
}
}
#endregion
#region Constructors
public Enum()
{ }
public Enum(string name)
{
Name = name;
}
#endregion
#region public string Name
public string Name
{
get { return _name; }
set { _name = value; }
}
#endregion
System.Collections.Hashtable _constant_collection = new System.Collections.Hashtable();
public System.Collections.Hashtable ConstantCollection
{
get { return _constant_collection; }
//set { _constant_collection = value; }
}
public static string TranslateName(string name)
{
translator.Remove(0, translator.Length); // Trick to avoid allocating a new StringBuilder.
// Translate the constant's name to match .Net naming conventions
if ((Settings.Compatibility & Settings.Legacy.NoAdvancedEnumProcessing) == Settings.Legacy.None)
{
bool is_after_underscore = true; // Detect if we just passed a '_' and make the next char
// uppercase.
bool is_previous_uppercase = false; // Detect if previous character was uppercase, and turn
// the current one to lowercase.
foreach (char c in name)
{
char char_to_add;
if (c != '_')
{
char_to_add = is_after_underscore ? Char.ToUpper(c) :
is_previous_uppercase ? Char.ToLower(c) : c;
is_previous_uppercase = Char.IsUpper(c);
translator.Append(char_to_add);
is_after_underscore = false;
}
else
is_after_underscore = true;
}
translator[0] = Char.ToUpper(translator[0]);
}
else
translator.Append(name);
translator.Replace("Pname", "PName");
translator.Replace("SRgb", "Srgb");
return translator.ToString();
}
public override string ToString()
{
StringBuilder sb = new StringBuilder();
sb.AppendLine("public enum " + Name);
sb.AppendLine("{");
foreach (Constant c in ConstantCollection.Values)
{
sb.Append(" ");
sb.Append(c.ToString());
if (!String.IsNullOrEmpty(c.ToString()))
sb.AppendLine(",");
}
sb.Append("}");
return sb.ToString();
}
}
#endregion
#region class EnumCollection
public class EnumCollection : Dictionary<string, Enum>
{
internal void AddRange(EnumCollection enums)
{
foreach (Enum e in enums.Values)
Utilities.Merge(this, e);
}
internal void Translate()
{
// Translate enum names.
{
List<string> keys_to_update = new List<string>();
foreach (Enum e in this.Values)
{
string name = Enum.TranslateName(e.Name);
if (name != e.Name)
{
keys_to_update.Add(e.Name);
e.Name = name;
}
}
foreach (string name in keys_to_update)
{
Enum e = this[name];
this.Remove(name);
this.Add(e.Name, e);
}
keys_to_update = null;
}
foreach (Enum e in this.Values)
{
foreach (Constant c in e.ConstantCollection.Values)
{
// There are cases when a value is an aliased constant, with no enum specified.
// (e.g. FOG_COORD_ARRAY_TYPE = GL_FOG_COORDINATE_ARRAY_TYPE)
// In this case try searching all enums for the correct constant to alias (stupid opengl specs).
if (String.IsNullOrEmpty(c.Reference) && !Char.IsDigit(c.Value[0]))
{
foreach (Enum @enum in this.Values)
{
// Skip generic GLenum
if (@enum.Name == "GLenum")
continue;
if (@enum.ConstantCollection.ContainsKey(c.Value))
{
c.Reference = @enum.Name;
break;
}
}
}
}
}
foreach (Enum e in this.Values)
foreach (Constant c in e.ConstantCollection.Values)
Constant.TranslateConstantWithReference(c, Enum.GLEnums, Enum.AuxEnums);
if (Settings.DropMultipleTokens)
{
// When there are multiple tokens with the same value but different extension
// drop the duplicates. Order of preference: core > ARB > EXT > vendor specific
foreach (Enum e in this.Values)
{
if (e.Name == "All")
continue;
foreach (Constant c in e.ConstantCollection.Values)
{
foreach (Constant c2 in e.ConstantCollection.Values)
{
if (c.Name != c2.Name && c.Value == c2.Value)
{
if (c.Name.Contains(Constant.Translate("TEXTURE_DEFORMATION_BIT_SGIX")) ||
c2.Name.Contains(Constant.Translate("TEXTURE_DEFORMATION_BIT_SGIX")))
{
}
int prefer = OrderOfPreference(Utilities.GetGL2Extension(c.Name), Utilities.GetGL2Extension(c2.Name));
if (prefer == -1)
{
c2.Name = "";
c2.Value = "";
}
else if (prefer == 1)
{
c.Name = "";
c.Value = "";
}
}
}
}
}
}
}
// Return -1 for ext1, 1 for ext2 or 0 if no preference.
int OrderOfPreference(string ext1, string ext2)
{
// If one is empty and the other note, prefer the empty one.
// (empty == core)
// Otherwise check for Arb and Ext. To reuse the logic for the
// empty check, let's try to remove first Arb, then Ext from the strings.
int ret;
ret = OrderOfPreferenceInternal(ext1, ext2);
if (ret != 0) return ret;
ext1 = ext1.Replace("Arb", ""); ext2 = ext2.Replace("Arb", "");
ret = OrderOfPreferenceInternal(ext1, ext2);
if (ret != 0) return ret;
ext1 = ext1.Replace("Ext", ""); ext2 = ext2.Replace("Ext", "");
return ret;
}
// Prefer the empty string over the non-empty.
int OrderOfPreferenceInternal(string ext1, string ext2)
{
if (String.IsNullOrEmpty(ext1) && !String.IsNullOrEmpty(ext2))
return -1;
else if (String.IsNullOrEmpty(ext2) && !String.IsNullOrEmpty(ext1))
return 1;
else
return 0;
}
new bool TryGetValue(string key, out Enum value)
{
return base.TryGetValue(key, out value);
}
}
#endregion
}