MetadataStringComparer.cs

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namespace System.Reflection.Metadata;
 
public readonly struct MetadataStringComparer
{
    private readonly MetadataReader _reader;
 
    internal MetadataStringComparer(MetadataReader reader)
    {
        _reader = reader;
    }
 
    public bool Equals(StringHandle handle, string value)
    {
        return Equals(handle, value, ignoreCase: false);
    }
 
    public bool Equals(StringHandle handle, string value, bool ignoreCase)
    {
        if (value == null)
        {
            Throw.ValueArgumentNull();
        }
        return _reader.StringHeap.Equals(handle, value, _reader.UTF8Decoder, ignoreCase);
    }
 
    public bool Equals(NamespaceDefinitionHandle handle, string value)
    {
        return Equals(handle, value, ignoreCase: false);
    }
 
    public bool Equals(NamespaceDefinitionHandle handle, string value, bool ignoreCase)
    {
        if (value == null)
        {
            Throw.ValueArgumentNull();
        }
        if (handle.HasFullName)
        {
            return _reader.StringHeap.Equals(handle.GetFullName(), value, _reader.UTF8Decoder, ignoreCase);
        }
        return value == _reader.NamespaceCache.GetFullName(handle);
    }
 
    public bool Equals(DocumentNameBlobHandle handle, string value)
    {
        return Equals(handle, value, ignoreCase: false);
    }
 
    public bool Equals(DocumentNameBlobHandle handle, string value, bool ignoreCase)
    {
        if (value == null)
        {
            Throw.ValueArgumentNull();
        }
        return _reader.BlobHeap.DocumentNameEquals(handle, value, ignoreCase);
    }
 
    public bool StartsWith(StringHandle handle, string value)
    {
        return StartsWith(handle, value, ignoreCase: false);
    }
 
    public bool StartsWith(StringHandle handle, string value, bool ignoreCase)
    {
        if (value == null)
        {
            Throw.ValueArgumentNull();
        }
        return _reader.StringHeap.StartsWith(handle, value, _reader.UTF8Decoder, ignoreCase);
    }
}