diff options
Diffstat (limited to 'win/CS/HandBrake.Interop/HandBrakeInterop/Helpers/InteropUtilities.cs')
| -rw-r--r-- | win/CS/HandBrake.Interop/HandBrakeInterop/Helpers/InteropUtilities.cs | 60 |
1 files changed, 47 insertions, 13 deletions
diff --git a/win/CS/HandBrake.Interop/HandBrakeInterop/Helpers/InteropUtilities.cs b/win/CS/HandBrake.Interop/HandBrakeInterop/Helpers/InteropUtilities.cs index 0019aa2d2..6399beee2 100644 --- a/win/CS/HandBrake.Interop/HandBrakeInterop/Helpers/InteropUtilities.cs +++ b/win/CS/HandBrake.Interop/HandBrakeInterop/Helpers/InteropUtilities.cs @@ -28,7 +28,7 @@ namespace HandBrake.Interop.Helpers /// <typeparam name="T">The type to convert the structure to.</typeparam>
/// <param name="structPtr">The pointer to the native structure.</param>
/// <returns>The converted structure.</returns>
- public static T ReadStructure<T>(IntPtr structPtr)
+ public static T ToStructureFromPtr<T>(IntPtr structPtr)
{
return (T)Marshal.PtrToStructure(structPtr, typeof(T));
}
@@ -38,7 +38,7 @@ namespace HandBrake.Interop.Helpers /// </summary>
/// <param name="stringPtr">The pointer to the string.</param>
/// <returns>The resulting string.</returns>
- public static string ReadUtf8Ptr(IntPtr stringPtr)
+ public static string ToStringFromUtf8Ptr(IntPtr stringPtr)
{
var data = new List<byte>();
var ptr = stringPtr;
@@ -66,7 +66,7 @@ namespace HandBrake.Interop.Helpers /// <returns>
/// The <see cref="IntPtr"/>.
/// </returns>
- public static IntPtr CreateUtf8Ptr(string str)
+ public static IntPtr ToUtf8PtrFromString(string str)
{
byte[] bytes = Encoding.UTF8.GetBytes(str);
IntPtr stringPtr = Marshal.AllocHGlobal(bytes.Length + 1);
@@ -87,7 +87,7 @@ namespace HandBrake.Interop.Helpers /// <typeparam name="T">The type of structure in the list.</typeparam>
/// <param name="listPtr">The pointer to the native list.</param>
/// <returns>The converted managed list.</returns>
- public static List<T> ToList<T>(this IntPtr listPtr)
+ public static List<T> ToListFromHandBrakeList<T>(this IntPtr listPtr)
{
List<T> returnList = new List<T>();
NativeList nativeList = new NativeList(listPtr);
@@ -95,7 +95,7 @@ namespace HandBrake.Interop.Helpers for (int i = 0; i < nativeList.Count; i++)
{
IntPtr itemPtr = nativeList[i];
- returnList.Add(ReadStructure<T>(itemPtr));
+ returnList.Add(ToStructureFromPtr<T>(itemPtr));
}
return returnList;
@@ -127,14 +127,14 @@ namespace HandBrake.Interop.Helpers /// <param name="arrayPtr">The pointer to the array.</param>
/// <param name="count">The number of items in the array.</param>
/// <returns>The converted collection.</returns>
- public static IEnumerable<T> ConvertArray<T>(IntPtr arrayPtr, int count)
+ public static List<T> ToListFromNativeArray<T>(IntPtr arrayPtr, int count)
{
IntPtr currentItem = arrayPtr;
var result = new List<T>();
for (int i = 0; i < count; i++)
{
- T nativeEncoder = ReadStructure<T>(currentItem);
+ T nativeEncoder = ToStructureFromPtr<T>(currentItem);
result.Add(nativeEncoder);
currentItem = IntPtr.Add(currentItem, Marshal.SizeOf(typeof(T)));
@@ -144,11 +144,45 @@ namespace HandBrake.Interop.Helpers }
/// <summary>
+ /// Takes an array pointer and converts it into a list of strings.
+ /// </summary>
+ /// <param name="arrayPtr">A pointer to a raw list of strings.</param>
+ /// <returns>The list of strings.</returns>
+ public static List<string> ToStringListFromArrayPtr(IntPtr arrayPtr)
+ {
+ if (arrayPtr == IntPtr.Zero)
+ {
+ return null;
+ }
+
+ return ToPtrListFromPtr(arrayPtr).Select(ptr => Marshal.PtrToStringAnsi(ptr)).ToList();
+ }
+
+ /// <summary>
+ /// Finds all the pointers starting at the given location and puts them in a list. Stops when it finds zero for a pointer.
+ /// </summary>
+ /// <param name="arrayPtr">The address of the list of pointers.</param>
+ /// <returns>The list of pointers.</returns>
+ public static List<IntPtr> ToPtrListFromPtr(IntPtr arrayPtr)
+ {
+ var result = new List<IntPtr>();
+ int ptrSize = Marshal.SizeOf(typeof(IntPtr));
+ IntPtr currentPtr = Marshal.ReadIntPtr(arrayPtr);
+ for (int i = 0; currentPtr != IntPtr.Zero; i++)
+ {
+ result.Add(currentPtr);
+ currentPtr = Marshal.ReadIntPtr(arrayPtr, (i + 1) * ptrSize);
+ }
+
+ return result;
+ }
+
+ /// <summary>
/// Creates a native HandBrake list from the given managed list of pointers.
/// </summary>
/// <param name="list">The managed list to convert.</param>
/// <returns>The converted native list.</returns>
- public static NativeList CreateIntPtrList(List<IntPtr> list)
+ public static NativeList ToHandBrakeListFromPtrList(List<IntPtr> list)
{
NativeList returnList = NativeList.CreateList();
@@ -166,7 +200,7 @@ namespace HandBrake.Interop.Helpers /// <typeparam name="T">The type of structures in the list.</typeparam>
/// <param name="list">The managed list to convert.</param>
/// <returns>The converted native list.</returns>
- public static NativeList ConvertListBack<T>(List<T> list)
+ public static NativeList ToHandBrakeListFromList<T>(List<T> list)
{
NativeList returnList = NativeList.CreateList();
foreach (T item in list)
@@ -189,9 +223,9 @@ namespace HandBrake.Interop.Helpers /// <param name="iterator">The iterator to use to build the list.</param>
/// <param name="converter">The converter to convert from the struct to the object.</param>
/// <returns>The list of objects.</returns>
- public static List<T2> GetListFromIterator<T1, T2>(Func<IntPtr, IntPtr> iterator, Func<T1, T2> converter)
+ public static List<T2> ToListFromIterator<T1, T2>(Func<IntPtr, IntPtr> iterator, Func<T1, T2> converter)
{
- return ReadStructureListFromIterator<T1>(iterator).Select(converter).ToList();
+ return ToListFromIterator<T1>(iterator).Select(converter).ToList();
}
/// <summary>
@@ -200,7 +234,7 @@ namespace HandBrake.Interop.Helpers /// <typeparam name="T">The type of the struct.</typeparam>
/// <param name="iterator">The iterator to use to build the list.</param>
/// <returns>The list of structs.</returns>
- public static List<T> ReadStructureListFromIterator<T>(Func<IntPtr, IntPtr> iterator)
+ public static List<T> ToListFromIterator<T>(Func<IntPtr, IntPtr> iterator)
{
var structureList = new List<T>();
IntPtr current = IntPtr.Zero;
@@ -208,7 +242,7 @@ namespace HandBrake.Interop.Helpers current = iterator(current);
while (current != IntPtr.Zero)
{
- T encoder = ReadStructure<T>(current);
+ T encoder = ToStructureFromPtr<T>(current);
structureList.Add(encoder);
current = iterator(current);
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