openai/openai-dotnet

Public

achandmsft-patch-2

Find a branch or tag

HTTPS

src/Utility/DataEncodingHelpers.cs

42lines · modeblame

1 year ago

`5dce104a`Jose Arriaga Maldonado1 years ago	1	`using System;`
	2	`using System.Text.RegularExpressions;`
	3
	4	`#nullable enable`
	5
	6	`namespace OpenAI;`
	7
	8	`internal static partial class DataEncodingHelpers`
	9	`{`
	10	`#if NET8_0_OR_GREATER`
	11	`[GeneratedRegex(@"^data:(?<type>.+?);base64,(?<data>.+)$")]`
	12	`private static partial Regex ParseDataUriRegex();`
	13	`#else`
	14	`private static Regex ParseDataUriRegex() => s_parseDataUriRegex;`
	15	`private static readonly Regex s_parseDataUriRegex = new(@"^data:(?<type>.+?);base64,(?<data>.+)$", RegexOptions.Compiled);`
	16	`#endif`
	17
	18	`public static bool TryParseDataUri(string dataUri, out BinaryData? bytes, out string? bytesMediaType)`
	19	`{`
	20	`Match parsedDataUri = ParseDataUriRegex().Match(dataUri);`
	21
	22	`if (!parsedDataUri.Success)`
	23	`{`
	24	`bytes = null;`
	25	`bytesMediaType = null;`
	26	`return false;`
	27	`}`
	28
	29	`string matchedBase64Data = parsedDataUri.Groups["data"].Value;`
	30	`byte[] matchedBase64RawBytes = Convert.FromBase64String(matchedBase64Data);`
	31
	32	`bytes = BinaryData.FromBytes(matchedBase64RawBytes);`
	33	`bytesMediaType = parsedDataUri.Groups["type"].Value;`
	34	`return true;`
	35	`}`
	36
	37	`public static string CreateDataUri(BinaryData bytes, string bytesMediaType)`
	38	`{`
	39	`string base64Bytes = Convert.ToBase64String(bytes.ToArray());`
	40	`return $"data:{bytesMediaType};base64,{base64Bytes}";`
	41	`}`
	42	`}`