<#/*THIS IS A T4 FILE - see t4_text_templating.md for what it is and how to run codegen*/#>
<#@ template debug="True" #>
<#@ output extension=".gen.cs" encoding="utf-8" #>
<#@ assembly name="System.Core" #>
<#@ import namespace="System.Linq" #>
//------------------------------------------------------------------------------
//
// This code was generated by a tool.
//
// TextTransform Samples/Packages/com.unity.collections/Unity.Collections/FixedStringFormatMethods.tt
//
// Changes to this file may cause incorrect behavior and will be lost if
// the code is regenerated.
//
//------------------------------------------------------------------------------
using System;
using Unity.Collections.LowLevel.Unsafe;
namespace Unity.Collections
{
///
/// Provides extension methods for FixedString*N*Bytes.
///
public unsafe static partial class FixedStringMethods
{
<#
for (var ARGS = 1; ARGS <= 10; ++ARGS)
{
var TYPES = String.Join(", ", Enumerable.Range(0, ARGS).Select(n => $"T{n}"));
var PARAMS = String.Join(", ", Enumerable.Range(0, ARGS).Select(n => $"in T{n} arg{n}"));
var ARGNAMES = String.Join(", ", Enumerable.Range(0, ARGS).Select(n => $"arg{n}"));
var TxDOCS = String.Join("\r\n /// ", Enumerable.Range(0, ARGS).Select(n => $"The type of value to interpolate into the format string."));
var ARGxDOCS = String.Join("\r\n /// ", Enumerable.Range(0, ARGS).Select(n => $"A FixedString*N*Bytes to interpolate into the format string."));
var BCOMPAT = String.Join(", ", Enumerable.Range(0, ARGS).Select(n => $"typeof(FixedString128Bytes /*T{n}*/)"));
#>
///
/// Interpolates strings into a format string and appends the result to this string.
///
///
/// Similar to `StringBuilder.AppendFormat` but with significant limitations:
/// - Only supports FixedString*N*Bytes arguments. To use other string types, convert them to FixedString*N*Bytes first.
/// - Only supports numeric format placeholders of the form `{0}` .. `{N}`.
/// - No format modifiers (*e.g.* `{0:x}`) are supported.
///
/// The overloads of this method take up to ten strings to interpolate into the format string.
///
/// A FixedString*N*Bytes type.
/// A FixedString*N*Bytes type.
/// <#=TxDOCS#>
/// The string to append to.d
/// A string to be interpolated and appended.
/// <#=ARGxDOCS#>
[BurstCompatible(GenericTypeArguments = new[] { typeof(FixedString128Bytes /*T*/), typeof(FixedString128Bytes /*U*/), <#=BCOMPAT#> })]
public static unsafe void AppendFormat>(ref this T dest, in U format, <#=PARAMS#>)
where T : struct, INativeList, IUTF8Bytes
where U : struct, INativeList, IUTF8Bytes
<#
for (var a = 0; a < ARGS; ++a)
WriteLine(" where T{0} : struct, INativeList, IUTF8Bytes", a);
#>
{
ref var formatRef = ref UnsafeUtilityExtensions.AsRef(in format);
int formatLength = formatRef.Length;
byte* formatBytes = formatRef.GetUnsafePtr();
for (var i = 0; i < formatLength; ++i)
{
if (formatBytes[i] == (byte)'{')
{
if (formatLength - i >= 3 && formatBytes[i + 1] != (byte)'{')
{
var index = formatBytes[i + 1] - (byte)'0';
switch (index)
{
<#
for(var a = 0; a < ARGS; ++a)
{
WriteLine($" case {a}: dest.Append(in arg{a}); i+=2; break;");
}
#>
default:
dest.AppendRawByte(formatBytes[i]);
break;
}
}
}
else
dest.AppendRawByte(formatBytes[i]);
}
}
<#
}
#>
}
}