6005516171

Committed 28 Aug 2023 10:17PM UTC coverage: 17.791% (-0.3%) from 18.096%

Build # 6005516171

Build Type

push

github

Committed by

neon-sunset

Commit Message

feat: add construction overloads for streams and file handles

Run Details

134 of 1066 branches covered (0.0%)

Branch coverage included in aggregate %.

97 of 97 new or added lines in 3 files covered. (100.0%)

478 of 2374 relevant lines covered (20.13%)

34680.8 hits per line

Source File
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0.0

/src/Extensions/IO/U8FileExtensions.cs

using Microsoft.Win32.SafeHandles;

namespace U8Primitives.IO;

public static class U8FileExtensions
{
    public static U8String ReadToU8String(this SafeFileHandle handle, long offset = 0)
    {
        var length = RandomAccess.GetLength(handle) - offset;
        if (length > int.MaxValue)
        {
            ThrowHelpers.ArgumentOutOfRange();
        }
        
        if (length > 0)
        {
            var buffer = new byte[(int)length];
            var bytesRead = RandomAccess.Read(handle, buffer, offset);

            U8String.Validate(buffer.SliceUnsafe(0, bytesRead));
            return new U8String(buffer, 0, bytesRead);
        }

        return default;
    }

    public static async Task<U8String> ReadToU8StringAsync(
        this SafeFileHandle handle,
        long offset = 0,
        CancellationToken ct = default)
    {
        var length = RandomAccess.GetLength(handle) - offset;
        if (length > int.MaxValue)
        {
            ThrowHelpers.ArgumentOutOfRange();
        }
        
        if (length > 0)
        {
            var buffer = new byte[(int)length];
            var bytesRead = await RandomAccess.ReadAsync(handle, buffer, offset, ct);

            U8String.Validate(buffer.SliceUnsafe(0, bytesRead));
            return new U8String(buffer, 0, bytesRead);
        }

        return default;
    }
}

1	using Microsoft.Win32.SafeHandles;
2
3	namespace U8Primitives.IO;
4
5	public static class U8FileExtensions
6	{
7	public static U8String ReadToU8String(this SafeFileHandle handle, long offset = 0)
8	{
9	var length = RandomAccess.GetLength(handle) - offset;	×
10	if (length > int.MaxValue)	×
11	{
12	ThrowHelpers.ArgumentOutOfRange();	×
13	}
14
15	if (length > 0)	×
16	{
17	var buffer = new byte[(int)length];	×
18	var bytesRead = RandomAccess.Read(handle, buffer, offset);	×
19
20	U8String.Validate(buffer.SliceUnsafe(0, bytesRead));	×
21	return new U8String(buffer, 0, bytesRead);	×
22	}
23
24	return default;	×
25	}
26
27	public static async Task<U8String> ReadToU8StringAsync(
28	this SafeFileHandle handle,
29	long offset = 0,
30	CancellationToken ct = default)
31	{
32	var length = RandomAccess.GetLength(handle) - offset;	×
33	if (length > int.MaxValue)	×
34	{
35	ThrowHelpers.ArgumentOutOfRange();	×
36	}
37
38	if (length > 0)	×
39	{
40	var buffer = new byte[(int)length];	×
41	var bytesRead = await RandomAccess.ReadAsync(handle, buffer, offset, ct);	×
42
43	U8String.Validate(buffer.SliceUnsafe(0, bytesRead));	×
44	return new U8String(buffer, 0, bytesRead);	×
45	}
46
47	return default;	×
48	}	×
49	}

neon-sunset / U8String / 6005516171

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