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Convert some text functions to not use ref

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I dont think they will work. need testing
This commit is contained in:
Ben Parsons
2021-12-05 02:48:57 +11:00
parent 2d5c14ae2c
commit 3e592c15b1
1 changed files with 75 additions and 7 deletions
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82
Raylib-cs/Raylib.cs
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@@ -1,7 +1,10 @@
using System;
using System.Buffers;
using System.Numerics;
using System.Runtime.InteropServices;
using System.Security;
using System.Text;
using System.Text.Unicode;
using System.Xml;
namespace Raylib_cs
@@ -1617,34 +1620,99 @@ namespace Raylib_cs
/// <summary>Append text at specific position and move cursor!</summary>
[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
public static extern void TextAppend(ref char text, string append, ref int position);
public static extern void TextAppend(byte* text, byte* append, int* position);
public static void TextAppend(Utf8String text, Utf8String append, int position)
{
fixed (byte* p1 = text)
{
fixed (byte* p2 = append)
{
TextAppend(p1,p2, &position);
}
}
}
/// <summary>Get Pascal case notation version of provided string</summary>
[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
public static extern string TextToPascal(string text);
public static extern byte* TextToPascal(byte* text);
public static Utf8String TextToPascal(Utf8String text)
{
fixed (byte* p1 = text)
{
return Utf8String.FromPtr(TextToPascal(p1));
}
}
/// <summary>Get integer value from text (negative values not supported)</summary>
[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
public static extern int TextToInteger(string text);
public static extern int TextToInteger(byte* text);
public static int TextToInteger(Utf8String text)
{
fixed (byte* p1 = text)
{
return TextToInteger(p1);
}
}
/// <summary>Encode text codepoint into utf8 text (memory must be freed!)</summary>
[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
public static extern string TextToUtf8(string text, int length);
public static extern string TextToUtf8(byte* text, int length);
public static string TextToUtf8(Utf8String text, int length)
{
fixed (byte* p1 = text)
{
return TextToUtf8(p1, length);
}
}
// UTF8 text strings management functions
/// <summary>Get all codepoints in a string, codepoints count returned by parameters</summary>
[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
public static extern int* GetCodepoints(string text, ref int count);
public static extern int* LoadCodepoints(byte* text, int* count);
public static ReadOnlySpan<int> LoadCodepoints(Utf8String text, int count)
{
fixed (byte* p1 = text)
{
var points = LoadCodepoints(p1, &count);
return new ReadOnlySpan<int>(points, count);
}
}
/// <summary>Get total number of characters (codepoints) in a UTF8 encoded string</summary>
[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
public static extern int GetCodepointsCount(string text);
public static extern int GetCodepointsCount(byte* text);
public static int GetCodepointsCount(Utf8String text)
{
fixed (byte* p1 = text)
{
return GetCodepointsCount(p1);
}
}
/// <summary>Returns next codepoint in a UTF8 encoded string; 0x3f('?') is returned on failure</summary>
[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
public static extern int GetNextCodepoint(string text, ref int bytesProcessed);
public static extern int GetCodepoint(byte* text, int* bytesProcessed);
/// <summary>Returns next codepoint in a UTF8 encoded string; 0x3f('?') is returned on failure</summary>
/// <returns>single codepoint / "char"</returns>
public static Utf8String GetCodepoint(Utf8String text, int bytesProcessed)
{
fixed (byte* p1 = text)
{
// this probably wont work
var point = GetCodepoint(p1, &bytesProcessed);
var c = (byte*)&point;
return Utf8String.FromPtr(c);
}
}
/// <summary>Encode codepoint into utf8 text (char array length returned as parameter)</summary>
[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]