internal Enumerator(Utf8Span span)
{
_currentCharPair = default;
_remainingUtf8Bytes = span.Bytes;
}
internal RuneEnumerable(Utf8Span span)
{
_span = span;
}
public static bool Equals(Utf8Span left, Utf8Span right, StringComparison comparison)
{
throw new PlatformNotSupportedException();
}
internal CharEnumerable(Utf8Span span)
{
_span = span;
}
public bool Equals(Utf8Span other, StringComparison comparison) => throw new PlatformNotSupportedException();
public static bool Equals(Utf8Span left, Utf8Span right) => throw new PlatformNotSupportedException();
/// <summary>
/// Locates the last occurrence of <paramref name="separator"/> within this <see cref="Utf8Span"/> instance, creating <see cref="Utf8Span"/>
/// instances which represent the data on either side of the separator. If <paramref name="separator"/> is not found
/// within this <see cref="Utf8Span"/> instance, returns the tuple "(this, Empty)".
/// </summary>
/// <remarks>
/// The search is performed using the specified <paramref name="comparisonType"/>.
/// </remarks>
public SplitOnResult SplitOnLast(Utf8Span separator, StringComparison comparisonType)
{
return(TryFindLast(separator, comparisonType, out Range range) ? new SplitOnResult(this, range) : new SplitOnResult(this));
}
public bool Equals(Utf8Span other) => throw new PlatformNotSupportedException();
/// <summary> /// Attempts to locate the target <paramref name="value"/> within this <see cref="Utf8Span"/> instance. /// If <paramref name="value"/> is found, returns <see langword="true"/> and sets <paramref name="range"/> to /// the location where <paramref name="value"/> occurs within this <see cref="Utf8Span"/> instance. /// If <paramref name="value"/> is not found, returns <see langword="false"/> and sets <paramref name="range"/> /// to <see langword="default"/>. /// </summary> /// <remarks> /// The search is performed using the specified <paramref name="comparisonType"/>. /// </remarks> public bool TryFind(Utf8Span value, StringComparison comparisonType, out Range range) => TryFind(value, comparisonType, out range, fromBeginning: true);
/// <summary>
/// Locates the last occurrence of <paramref name="separator"/> within this <see cref="Utf8Span"/> instance, creating <see cref="Utf8Span"/>
/// instances which represent the data on either side of the separator. If <paramref name="separator"/> is not found
/// within this <see cref="Utf8Span"/> instance, returns the tuple "(this, Empty)".
/// </summary>
/// <remarks>
/// An ordinal search is performed.
/// </remarks>
public SplitOnResult SplitOnLast(Utf8Span separator)
{
return(TryFindLast(separator, out Range range) ? new SplitOnResult(this, range) : new SplitOnResult(this));
}
/// <summary>
/// Returns a value stating whether the current <see cref="Utf8Span"/> instance contains <paramref name="value"/>.
/// The specified comparison is used.
/// </summary>
public bool Contains(Utf8Span value, StringComparison comparison)
{
// TODO_UTF8STRING: Optimize me to avoid allocations.
return(this.ToString().Contains(value.ToString(), comparison));
}
/// <summary>
/// Returns a value stating whether the current <see cref="Utf8Span"/> instance contains <paramref name="value"/>.
/// An ordinal comparison is used.
/// </summary>
public bool Contains(Utf8Span value)
{
return(this.Bytes.IndexOf(value.Bytes) >= 0);
}
/// <summary>
/// Returns a value stating whether the current <see cref="Utf8Span"/> instance begins with <paramref name="value"/>.
/// An ordinal comparison is used.
/// </summary>
public bool StartsWith(Utf8Span value)
{
return(this.Bytes.StartsWith(value.Bytes));
}
/// <summary>
/// Returns a value stating whether the current <see cref="Utf8Span"/> instance ends with <paramref name="value"/>.
/// An ordinal comparison is used.
/// </summary>
public bool EndsWith(Utf8Span value)
{
return(this.Bytes.EndsWith(value.Bytes));
}
public int CompareTo(Utf8Span other, StringComparison comparison)
{
// TODO_UTF8STRING: We can avoid the virtual dispatch by moving the switch into this method.
return(Utf8StringComparer.FromComparison(comparison).Compare(this, other));
}
