/// <summary>
/// Appends a substring of the specified string pointer to the <see cref="StringBuilder"/>.
/// </summary>
/// <param name="sb">The <see cref="StringBuilder"/> to which to append the value.</param>
/// <param name="ptr">A pointer to the unmanaged string that contains the substring to append.</param>
/// <param name="offset">The offset into the string at which the substring begins.</param>
/// <param name="length">The length of the substring.</param>
public static void AppendStringPtr(this StringBuilder sb, StringPtr8 ptr, Int32 offset, Int32 length)
{
Contract.Require(sb, "sb");
if (ptr == StringPtr8.Zero)
return;
for (int i = offset; i < offset + length; i++)
{
sb.Append(ptr[i]);
}
}
public void StringPtr8_HandlesNullTerminatedString()
{
unsafe
{
var data = new byte[] { (byte)'H', (byte)'e', (byte)'l', (byte)'l', (byte)'o', 0 };
fixed(byte *pdata = data)
{
var ptr = new StringPtr8((IntPtr)pdata);
TheResultingString(ptr.ToString())
.ShouldBe("Hello");
}
}
}
public void StringPtr8_HandlesNullTerminatedString()
{
unsafe
{
var data = new byte[] { (byte)'H', (byte)'e', (byte)'l', (byte)'l', (byte)'o', 0 };
fixed (byte* pdata = data)
{
var ptr = new StringPtr8((IntPtr)pdata);
TheResultingString(ptr.ToString())
.ShouldBe("Hello");
}
}
}
/// <summary>
/// Appends the specified string pointer to the <see cref="StringBuilder"/>.
/// </summary>
/// <param name="sb">The <see cref="StringBuilder"/> to which to append the value.</param>
/// <param name="ptr">A pointer to the unmanaged string to append.</param>
public static void AppendStringPtr(this StringBuilder sb, StringPtr8 ptr)
{
AppendStringPtr(sb, ptr, 0, ptr.Length);
}
