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using System;
using System.Collections.Generic;
using System.IO;
using System.Xml.XPath;
using Bind.GL2;
using Bind.Structures;
using Delegate=Bind
.Structures.Delegate;
using Enum=Bind
.Structures.Enum;
namespace Bind
.ES
{
class ESGenerator
: Generator
{
public ESGenerator
(string nsName,
string dirName
)
{
if (String.IsNullOrEmpty(nsName
))
throw new ArgumentNullException
("nsName");
if (dirName
== null)
dirName
= nsName
;
glTypemap
= "GL2/gl.tm";
csTypemap
= "csharp.tm";
enumSpec
= dirName
+ "/signatures.xml";
enumSpecExt
= String.Empty;
glSpec
= dirName
+ "/signatures.xml";
glSpecExt
= String.Empty;
functionOverridesFile
= dirName
+ "/overrides.xml";
importsFile
= "Core.cs";
delegatesFile
= "Delegates.cs";
enumsFile
= "Enums.cs";
wrappersFile
= "ES.cs";
Settings
.ImportsClass = "Core";
Settings
.DelegatesClass = "Delegates";
Settings
.OutputClass = "GL";
Settings
.OutputNamespace = "OpenTK.Graphics." + nsName
;
Settings
.OutputPath = Path
.Combine(Settings
.OutputPath, dirName
);
}
public override DelegateCollection ReadDelegates
(StreamReader specFile
)
{
DelegateCollection delegates
= new DelegateCollection
();
XPathDocument specs
= new XPathDocument
(specFile
);
XPathDocument overrides
= new XPathDocument
(new StreamReader
(Path
.Combine(Settings
.InputPath, functionOverridesFile
)));
foreach (XPathNavigator nav
in new XPathNavigator
[] {
specs
.CreateNavigator().SelectSingleNode("/signatures"),
overrides
.CreateNavigator().SelectSingleNode("/overrides/add") })
{
if (nav
!= null)
{
foreach (XPathNavigator node
in nav
.SelectChildren("function",
String.Empty))
{
var name
= node
.GetAttribute("name",
String.Empty);
// Check whether we are adding to an existing delegate or creating a new one.
Delegate d
= null;
if (delegates
.ContainsKey(name
))
{
d
= delegates
[name
];
}
else
{
d
= new Delegate();
d
.Name = name
;
d
.Version = node
.GetAttribute("version",
String.Empty);
d
.Category = node
.GetAttribute("category",
String.Empty);
}
foreach (XPathNavigator param
in node
.SelectChildren(XPathNodeType
.Element))
{
switch (param
.Name)
{
case "returns":
d
.ReturnType.CurrentType = param
.GetAttribute("type",
String.Empty);
break;
case "param":
Parameter p
= new Parameter
();
p
.CurrentType = param
.GetAttribute("type",
String.Empty);
p
.Name = param
.GetAttribute("name",
String.Empty);
string element_count
= param
.GetAttribute("elementcount",
String.Empty);
if (!String.IsNullOrEmpty(element_count
))
p
.ElementCount = Int32
.Parse(element_count
);
p
.Flow = Parameter
.GetFlowDirection(param
.GetAttribute("flow",
String.Empty));
d
.Parameters.Add(p
);
break;
}
}
d
.Translate(overrides
);
delegates
.Add(d
);
}
}
}
return delegates
;
}
public override Dictionary
<string,
string> ReadTypeMap
(StreamReader specFile
)
{
return base.ReadTypeMap(specFile
);
}
public override Dictionary
<string,
string> ReadCSTypeMap
(StreamReader specFile
)
{
return base.ReadCSTypeMap(specFile
);
}
public override EnumCollection ReadEnums
(StreamReader specFile
)
{
// First, read all enum definitions from spec and override file.
// Afterwards, read all token/enum overrides from overrides file.
// Every single enum is merged into
EnumCollection enums
= new EnumCollection
();
Enum all
= new Enum() { Name
= Settings
.CompleteEnumName };
XPathDocument specs
= new XPathDocument
(specFile
);
XPathDocument overrides
= new XPathDocument
(new StreamReader
(Path
.Combine(Settings
.InputPath, functionOverridesFile
)));
foreach (XPathNavigator nav
in new XPathNavigator
[] {
specs
.CreateNavigator().SelectSingleNode("/signatures"),
overrides
.CreateNavigator().SelectSingleNode("/overrides/add") })
{
if (nav
!= null)
{
foreach (XPathNavigator node
in nav
.SelectChildren("enum",
String.Empty))
{
Enum e
= new Enum()
{
Name
= node
.GetAttribute("name",
String.Empty),
Type
= node
.GetAttribute("type",
String.Empty)
};
if (String.IsNullOrEmpty(e
.Name))
throw new InvalidOperationException
(String.Format("Empty name for enum element {0}", node
.ToString()));
foreach (XPathNavigator param
in node
.SelectChildren(XPathNodeType
.Element))
{
Constant c
= new Constant
(param
.GetAttribute("name",
String.Empty), param
.GetAttribute("value",
String.Empty));
Utilities
.Merge(all, c
);
try { e
.ConstantCollection.Add(c
.Name, c
); }
catch (ArgumentException ex
) { Console
.WriteLine("[Warning] Failed to add constant {0} to enum {1}: {2}", c
.Name, e
.Name, ex
.Message); }
}
Utilities
.Merge(enums, e
);
}
}
}
Utilities
.Merge(enums, all
);
enums
.Translate(overrides
);
return enums
;
}
}
}