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Removed Obsolete A_Property Methods

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Changed GetDimensions to handle a stream at the end and one exit

Switched to using Action? over IDlibDotNet for Tick method

Switched to using AsReadOnly over new()

Moved Meta Base to Shared
This commit is contained in:
Mike Phares
2025-06-30 16:42:34 -07:00
parent c7ded16e50
commit 30d8a270f9
39 changed files with 903 additions and 962 deletions
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70
Metadata/Models/Stateless/Base.cs
View File

@ -1,70 +0,0 @@
using System.Globalization;
using View_by_Distance.Shared.Models;
namespace View_by_Distance.Metadata.Models.Stateless.Methods;
internal static class Base
{
internal static string? GetMaker(ExifDirectoryBase[]? exifBaseDirectories)
{
string? result = null;
if (exifBaseDirectories is not null)
{
string value;
foreach (ExifDirectoryBase exifDirectoryBase in exifBaseDirectories)
{
value = exifDirectoryBase?.Make is null ? string.Empty : exifDirectoryBase.Make.ToString().Trim();
if (string.IsNullOrEmpty(value))
result = null;
else
{
result = $"{value[0].ToString().ToUpper()}{value[1..].ToLower()}";
break;
}
}
}
return result;
}
internal static string? GetModel(ExifDirectoryBase[]? exifBaseDirectories)
{
string? result = null;
if (exifBaseDirectories is not null)
{
string value;
foreach (ExifDirectoryBase exifDirectoryBase in exifBaseDirectories)
{
value = exifDirectoryBase?.Model is null ? string.Empty : exifDirectoryBase.Model.ToString().Trim();
if (string.IsNullOrEmpty(value))
result = null;
else
{
result = value;
break;
}
}
}
return result;
}
#pragma warning restore CA1416
internal static DateTime? GetDateTime(string dateTimeFormat, string? value)
{
DateTime? result;
string alternateFormat = "ddd MMM dd HH:mm:ss yyyy";
if (value is not null && DateTime.TryParse(value, out DateTime dateTime))
result = dateTime;
else if (value is not null && value.Length == dateTimeFormat.Length && DateTime.TryParseExact(value, dateTimeFormat, CultureInfo.InvariantCulture, DateTimeStyles.None, out dateTime))
result = dateTime;
else if (value is not null && value.Length == alternateFormat.Length && DateTime.TryParseExact(value, alternateFormat, CultureInfo.InvariantCulture, DateTimeStyles.None, out dateTime))
result = dateTime;
else
result = null;
return result;
}
#pragma warning disable CA1416
}

45
Metadata/Models/Stateless/Dimensions.cs
View File

@ -8,18 +8,18 @@ internal static class Dimensions
#pragma warning disable IDE0230
private static readonly Dictionary<byte[], Func<BinaryReader, Size?>> _ImageFormatDecoders = new()
{
{ new byte[] { 0xff, 0xd8 }, DecodeJfif },
{ new byte[] { 0x42, 0x4D }, DecodeBitmap },
{ new byte[] { 0x52, 0x49, 0x46, 0x46 }, DecodeWebP },
{ new byte[] { 0x47, 0x49, 0x46, 0x38, 0x37, 0x61 }, DecodeGif },
{ new byte[] { 0x47, 0x49, 0x46, 0x38, 0x39, 0x61 }, DecodeGif },
{ new byte[] { 0x89, 0x50, 0x4E, 0x47, 0x0D, 0x0A, 0x1A, 0x0A }, DecodePng },
{ new byte[] { 0xff, 0xd8 }, DecodeJfif },
{ new byte[] { 0x52, 0x49, 0x46, 0x46 }, DecodeWebP },
};
#pragma warning restore IDE0230
private static bool StartsWith(byte[] thisBytes, byte[] thatBytes)
private static bool StartsWith(List<byte> thisBytes, byte[] thatBytes)
{
for (int i = 0; i < thatBytes.Length; i += 1)
for (int i = 0; i < thisBytes.Count && i < thatBytes.Length; i += 1)
{
if (thisBytes[i] == thatBytes[i])
continue;
@ -103,24 +103,41 @@ internal static class Dimensions
internal static Size? GetDimensions(BinaryReader binaryReader)
{
int maxMagicBytesLength = _ImageFormatDecoders.Keys.OrderByDescending(x => x.Length).First().Length;
byte[] magicBytes = new byte[maxMagicBytesLength];
for (int i = 0; i < maxMagicBytesLength; i += 1)
Size? result;
List<byte> magicBytes = [];
int[] magicBytesLengths = (from l in _ImageFormatDecoders.Keys where l.Length <= binaryReader.BaseStream.Length orderby l.Length descending select l.Length).ToArray();
if (magicBytesLengths.Length == 0)
result = null;
else
{
magicBytes[i] = binaryReader.ReadByte();
foreach (KeyValuePair<byte[], Func<BinaryReader, Size?>> kvPair in _ImageFormatDecoders)
result = null;
if (binaryReader.BaseStream.Length == binaryReader.BaseStream.Position)
_ = binaryReader.BaseStream.Seek(0, SeekOrigin.Begin);
for (int i = 0; i < magicBytesLengths[0]; i++)
{
if (StartsWith(magicBytes, kvPair.Key))
return kvPair.Value(binaryReader);
magicBytes.Add(binaryReader.ReadByte());
foreach (KeyValuePair<byte[], Func<BinaryReader, Size?>> kvPair in _ImageFormatDecoders)
{
if (StartsWith(magicBytes, kvPair.Key))
{
result = kvPair.Value(binaryReader);
break;
}
}
if (result is not null)
break;
}
}
return null;
return result;
}
internal static Size? GetDimensions(string path)
{
using BinaryReader binaryReader = new(File.OpenRead(path));
return GetDimensions(binaryReader);
Size? result;
using FileStream fileStream = File.OpenRead(path);
using BinaryReader binaryReader = new(fileStream);
result = GetDimensions(binaryReader);
return result;
}
}

126
Metadata/Models/Stateless/Exif.cs
View File

@ -75,9 +75,11 @@ internal abstract class Exif
string? fileSource = exifDirectoryBase.GetDescription(ExifDirectoryBase.TagFileSource);
string? imageDescription = exifDirectoryBase.GetDescription(ExifDirectoryBase.TagImageDescription);
string? imageHeight = exifDirectoryBase.GetDescription(ExifDirectoryBase.TagImageHeight);
int? imageHeightValue = imageHeight is null ? null : exifDirectoryBase.GetInt32(ExifDirectoryBase.TagImageHeight);
string? imageNumber = exifDirectoryBase.GetDescription(ExifDirectoryBase.TagImageNumber);
string? imageUniqueId = exifDirectoryBase.GetDescription(ExifDirectoryBase.TagImageUniqueId);
string? imageWidth = exifDirectoryBase.GetDescription(ExifDirectoryBase.TagImageWidth);
int? imageWidthValue = imageWidth is null ? null : exifDirectoryBase.GetInt32(ExifDirectoryBase.TagImageWidth);
string? isoSpeed = exifDirectoryBase.GetDescription(ExifDirectoryBase.TagIsoSpeed);
string? lensMake = exifDirectoryBase.GetDescription(ExifDirectoryBase.TagLensMake);
string? lensModel = exifDirectoryBase.GetDescription(ExifDirectoryBase.TagLensModel);
@ -164,52 +166,54 @@ internal abstract class Exif
&& xResolution is not null
&& yResolution is null)
continue;
results.Add(new(aperture,
applicationNotes,
artist,
bitsPerSample,
bodySerialNumber,
cameraOwnerName,
compressedAverageBitsPerPixel,
compression,
copyright,
dateTime,
dateTimeDigitized,
dateTimeOriginal,
documentName,
exifVersion,
exposureTime,
fileSource,
imageDescription,
imageHeight,
imageNumber,
imageUniqueId,
imageWidth,
isoSpeed,
lensMake,
lensModel,
lensSerialNumber,
make,
makerNote,
model,
orientation,
orientationValue,
rating,
ratingPercent,
securityClassification,
shutterSpeed,
software,
timeZone,
timeZoneDigitized,
timeZoneOriginal,
userComment,
winAuthor,
winComment,
winKeywords,
winSubject,
winTitle,
xResolution,
yResolution));
results.Add(new(Aperture: aperture,
ApplicationNotes: applicationNotes,
Artist: artist,
BitsPerSample: bitsPerSample,
BodySerialNumber: bodySerialNumber,
CameraOwnerName: cameraOwnerName,
CompressedAverageBitsPerPixel: compressedAverageBitsPerPixel,
Compression: compression,
Copyright: copyright,
DateTime: dateTime,
DateTimeDigitized: dateTimeDigitized,
DateTimeOriginal: dateTimeOriginal,
DocumentName: documentName,
ExifVersion: exifVersion,
ExposureTime: exposureTime,
FileSource: fileSource,
ImageDescription: imageDescription,
ImageHeight: imageHeight,
ImageHeightValue: imageHeightValue,
ImageNumber: imageNumber,
ImageUniqueId: imageUniqueId,
ImageWidth: imageWidth,
ImageWidthValue: imageWidthValue,
IsoSpeed: isoSpeed,
LensMake: lensMake,
LensModel: lensModel,
LensSerialNumber: lensSerialNumber,
Make: make,
MakerNote: makerNote,
Model: model,
Orientation: orientation,
OrientationValue: orientationValue,
Rating: rating,
RatingPercent: ratingPercent,
SecurityClassification: securityClassification,
ShutterSpeed: shutterSpeed,
Software: software,
TimeZone: timeZone,
TimeZoneDigitized: timeZoneDigitized,
TimeZoneOriginal: timeZoneOriginal,
UserComment: userComment,
WinAuthor: winAuthor,
WinComment: winComment,
WinKeywords: winKeywords,
WinSubject: winSubject,
WinTitle: winTitle,
XResolution: xResolution,
YResolution: yResolution));
}
return results.ToArray();
}
@ -499,21 +503,21 @@ internal abstract class Exif
Shared.Models.FileMetadataDirectory[] fileMetadataDirectories = GetFileMetadataDirectories(filePath.FullName, directories);
Shared.Models.QuickTimeMovieHeaderDirectory[] quickTimeMovieHeaderDirectories = GetQuickTimeMovieHeaderDirectoryDirectories(directories);
Shared.Models.QuickTimeTrackHeaderDirectory[] quickTimeTrackHeaderDirectories = GetQuickTimeTrackHeaderDirectoryDirectories(directories);
result = new(aviDirectories,
exifBaseDirectories,
fileMetadataDirectories,
filePath,
gifHeaderDirectories,
gpsDirectories,
size?.Height,
jpegDirectories,
makernoteDirectories,
photoshopDirectories,
pngDirectories,
quickTimeMovieHeaderDirectories,
quickTimeTrackHeaderDirectories,
webPDirectories,
size?.Width);
result = new(AviDirectories: aviDirectories,
ExifBaseDirectories: exifBaseDirectories,
FileMetadataDirectories: fileMetadataDirectories,
FilePath: filePath,
GifHeaderDirectories: gifHeaderDirectories,
GpsDirectories: gpsDirectories,
Height: size?.Height ?? Shared.Models.Stateless.Methods.IMetaBase.GetHeight(exifBaseDirectories),
JpegDirectories: jpegDirectories,
MakernoteDirectories: makernoteDirectories,
PhotoshopDirectories: photoshopDirectories,
PngDirectories: pngDirectories,
QuickTimeMovieHeaderDirectories: quickTimeMovieHeaderDirectories,
QuickTimeTrackHeaderDirectories: quickTimeTrackHeaderDirectories,
WebPDirectories: webPDirectories,
Width: size?.Width ?? Shared.Models.Stateless.Methods.IMetaBase.GetWidth(exifBaseDirectories));
return result;
}

20
Metadata/Models/Stateless/Methods/IMetadata.cs
View File

@ -19,16 +19,6 @@ public interface IMetadata
static ExifDirectory GetExifDirectory(FilePath filePath) =>
Exif.GetExifDirectory(filePath);
string? TestStatic_GetMaker(ExifDirectory? exifDirectory) =>
GetMaker(exifDirectory);
static string? GetMaker(ExifDirectory? exifDirectory) =>
Base.GetMaker(exifDirectory?.ExifBaseDirectories);
string? TestStatic_GetModel(ExifDirectory? exifDirectory) =>
GetModel(exifDirectory);
static string? GetModel(ExifDirectory? exifDirectory) =>
Base.GetModel(exifDirectory?.ExifBaseDirectories);
string? TestStatic_GetOutputResolution(ExifDirectory? exifDirectory) =>
GetOutputResolution(exifDirectory);
static string? GetOutputResolution(ExifDirectory? exifDirectory) =>
@ -64,14 +54,4 @@ public interface IMetadata
// static Dictionary<string, MetadataExtractorDirectory> GetMetadataCollection(FileInfo fileInfo, List<Tuple<string, DateTime>> subFileTuples, List<string> parseExceptions) =>
// Metadata.GetMetadataCollection(fileInfo, subFileTuples, parseExceptions);
string TestStatic_DateTimeFormat() =>
DateTimeFormat();
static string DateTimeFormat() =>
"yyyy:MM:dd HH:mm:ss";
DateTime? TestStatic_GetDateTime(string dateTimeFormat, string? value) =>
GetDateTime(dateTimeFormat, value);
static DateTime? GetDateTime(string dateTimeFormat, string? value) =>
Base.GetDateTime(dateTimeFormat, value);
}