public static string GetString(UnmanagedStringGetter getter, uint defaultLenght, bool trim)
{
string managedString;
IntPtr unmanagedString;
uint exactLenght;
// First attempt
unmanagedString = Marshal.AllocHGlobal((int)defaultLenght * 2 + 2); // + 2 for terminating zero
getter(defaultLenght, out exactLenght, defaultLenght > 0 ? unmanagedString : IntPtr.Zero);
if (exactLenght > defaultLenght)
{
// Second attempt
Marshal.FreeHGlobal(unmanagedString);
unmanagedString = Marshal.AllocHGlobal((int)exactLenght * 2 + 2); // + 2 for terminating zero
getter(exactLenght, out exactLenght, unmanagedString);
}
// Return managed string and free unmanaged memory
managedString = Marshal.PtrToStringUni(unmanagedString, (int)exactLenght);
//Console.WriteLine("Marshaled string from COM: \"" + managedString + "\" lenght=" + managedString.Length + " arrayLenght=" + exactLenght);
// The API might or might not include terminating null at the end
if (trim)
{
managedString = managedString.TrimEnd('\0');
}
Marshal.FreeHGlobal(unmanagedString);
return(managedString);
}
public static unsafe string GetString(UnmanagedStringGetter getter, uint defaultBufferSize, bool trimNull)
{
string managedString;
// DebugStringValue does not like buffer size of 0
defaultBufferSize = Math.Max(defaultBufferSize, 1);
char[] buffer = new char[(int)defaultBufferSize];
fixed(char *pBuffer = buffer)
{
uint actualLength = 0;
getter(defaultBufferSize, out actualLength, new IntPtr(pBuffer));
if (actualLength > defaultBufferSize)
{
char[] buffer2 = new char[(int)actualLength];
fixed(char *pBuffer2 = buffer2)
{
getter(actualLength, out actualLength, new IntPtr(pBuffer2));
managedString = Marshal.PtrToStringUni(new IntPtr(pBuffer2), (int)actualLength);
}
}
else
{
managedString = Marshal.PtrToStringUni(new IntPtr(pBuffer), (int)actualLength);
}
}
if (trimNull)
{
managedString = managedString.TrimEnd('\0');
}
return(managedString);
}
public static string GetString(UnmanagedStringGetter getter, uint defaultLenght, bool trim)
{
string managedString;
IntPtr unmanagedString;
uint exactLenght;
// First attempt
unmanagedString = Marshal.AllocHGlobal((int)defaultLenght * 2 + 2); // + 2 for terminating zero
getter(defaultLenght, out exactLenght, defaultLenght > 0 ? unmanagedString : IntPtr.Zero);
if(exactLenght > defaultLenght) {
// Second attempt
Marshal.FreeHGlobal(unmanagedString);
unmanagedString = Marshal.AllocHGlobal((int)exactLenght * 2 + 2); // + 2 for terminating zero
getter(exactLenght, out exactLenght, unmanagedString);
}
// Return managed string and free unmanaged memory
managedString = Marshal.PtrToStringUni(unmanagedString, (int)exactLenght);
//Console.WriteLine("Marshaled string from COM: \"" + managedString + "\" lenght=" + managedString.Length + " arrayLenght=" + exactLenght);
// The API might or might not include terminating null at the end
if (trim) {
managedString = managedString.TrimEnd('\0');
}
Marshal.FreeHGlobal(unmanagedString);
return managedString;
}
public static unsafe string GetString(UnmanagedStringGetter getter, uint defaultBufferSize, bool trimNull)
{
string managedString;
// DebugStringValue does not like buffer size of 0
defaultBufferSize = Math.Max(defaultBufferSize, 1);
char[] buffer = new char[(int)defaultBufferSize];
fixed(char* pBuffer = buffer) {
uint actualLength = 0;
getter(defaultBufferSize, out actualLength, new IntPtr(pBuffer));
if(actualLength > defaultBufferSize) {
char[] buffer2 = new char[(int)actualLength];
fixed(char* pBuffer2 = buffer2) {
getter(actualLength, out actualLength, new IntPtr(pBuffer2));
managedString = Marshal.PtrToStringUni(new IntPtr(pBuffer2), (int)actualLength);
}
} else {
managedString = Marshal.PtrToStringUni(new IntPtr(pBuffer), (int)actualLength);
}
}
if (trimNull)
managedString = managedString.TrimEnd('\0');
return managedString;
}
public static unsafe string GetCorSymString(UnmanagedStringGetter getter)
{
// CorSym does not support truncated result - it thorws exception and does not set actualLength (even with preserve sig)
// ICorDebugStringValue does not support 0 as buffer size
uint actualLength;
getter(0, out actualLength, IntPtr.Zero);
char[] buffer = new char[(int)actualLength];
string managedString;
fixed(char* pBuffer = buffer) {
getter(actualLength, out actualLength, new IntPtr(pBuffer));
managedString = Marshal.PtrToStringUni(new IntPtr(pBuffer), (int)actualLength);
}
managedString = managedString.TrimEnd('\0');
return managedString;
}
public static string GetString(UnmanagedStringGetter getter, uint defaultLength, bool trim)
{
// 8M characters ought to be enough for everyone...
// (we need some limit to avoid OutOfMemoryExceptions when trying to load extremely large
// strings - see SD2-1470).
const uint MAX_LENGTH = 8 * 1024 * 1024;
string managedString;
IntPtr unmanagedString;
uint exactLength;
if (defaultLength > MAX_LENGTH)
{
defaultLength = MAX_LENGTH;
}
// First attempt
unmanagedString = Marshal.AllocHGlobal((int)defaultLength * 2 + 2); // + 2 for terminating zero
try {
getter(defaultLength, out exactLength, defaultLength > 0 ? unmanagedString : IntPtr.Zero);
exactLength = (exactLength > MAX_LENGTH) ? MAX_LENGTH : exactLength;
if (exactLength > defaultLength)
{
// Second attempt
Marshal.FreeHGlobal(unmanagedString);
// TODO: Consider removing "+ 2" for the zero
unmanagedString = Marshal.AllocHGlobal((int)exactLength * 2 + 2); // + 2 for terminating zero
uint unused;
getter(exactLength, out unused, unmanagedString);
}
// TODO: Check how the trimming and the last 0 charater works
// Return managed string and free unmanaged memory
managedString = Marshal.PtrToStringUni(unmanagedString, (int)exactLength);
//Console.WriteLine("Marshaled string from COM: \"" + managedString + "\" lenght=" + managedString.Length + " arrayLenght=" + exactLenght);
// The API might or might not include terminating null at the end
if (trim)
{
managedString = managedString.TrimEnd('\0');
}
} finally {
Marshal.FreeHGlobal(unmanagedString);
}
return(managedString);
}
public static string GetString(UnmanagedStringGetter getter, uint defaultLength, bool trim)
{
// 8M characters ought to be enough for everyone...
// (we need some limit to avoid OutOfMemoryExceptions when trying to load extremely large
// strings - see SD2-1470).
const uint MAX_LENGTH = 8 * 1024 * 1024;
string managedString;
IntPtr unmanagedString;
uint exactLength;
if (defaultLength > MAX_LENGTH)
defaultLength = MAX_LENGTH;
// First attempt
unmanagedString = Marshal.AllocHGlobal((int)defaultLength * 2 + 2); // + 2 for terminating zero
try {
getter(defaultLength, out exactLength, defaultLength > 0 ? unmanagedString : IntPtr.Zero);
exactLength = (exactLength > MAX_LENGTH) ? MAX_LENGTH : exactLength;
if(exactLength > defaultLength) {
// Second attempt
Marshal.FreeHGlobal(unmanagedString);
// TODO: Consider removing "+ 2" for the zero
unmanagedString = Marshal.AllocHGlobal((int)exactLength * 2 + 2); // + 2 for terminating zero
uint unused;
getter(exactLength, out unused, unmanagedString);
}
// TODO: Check how the trimming and the last 0 charater works
// Return managed string and free unmanaged memory
managedString = Marshal.PtrToStringUni(unmanagedString, (int)exactLength);
//Console.WriteLine("Marshaled string from COM: \"" + managedString + "\" lenght=" + managedString.Length + " arrayLenght=" + exactLenght);
// The API might or might not include terminating null at the end
if (trim) {
managedString = managedString.TrimEnd('\0');
}
} finally {
Marshal.FreeHGlobal(unmanagedString);
}
return managedString;
}
public static unsafe string GetCorSymString(UnmanagedStringGetter getter)
{
// CorSym does not support truncated result - it thorws exception and does not set actualLength (even with preserve sig)
// ICorDebugStringValue does not support 0 as buffer size
uint actualLength;
getter(0, out actualLength, IntPtr.Zero);
char[] buffer = new char[(int)actualLength];
string managedString;
fixed(char *pBuffer = buffer)
{
getter(actualLength, out actualLength, new IntPtr(pBuffer));
managedString = Marshal.PtrToStringUni(new IntPtr(pBuffer), (int)actualLength);
}
managedString = managedString.TrimEnd('\0');
return(managedString);
}
public static string GetString(UnmanagedStringGetter getter)
{
return GetString(getter, 64, true);
}
public static string GetString(UnmanagedStringGetter getter)
{
return(GetString(getter, 64, true));
}
public static string GetString(UnmanagedStringGetter getter)
{
return(GetString(getter, DefaultBufferSize, true));
}
public static string GetString(UnmanagedStringGetter getter)
{
return GetString(getter, DefaultBufferSize, true);
}
