/// <summary>
/// Checks whether the file is of the desired kind for a program.
/// </summary>
/// <param name="fileKind">The kind of file to look for.</param>
/// <param name="filePath">The file to check.</param>
/// <param name="rootFile">When not null or empty, require the file name of the given file path to begin with this value.</param>
/// <returns><c>true</c> if the file is a ROM file or a support file for the given root file.</returns>
public static bool IsProgramSupportFile(this ProgramFileKind fileKind, string filePath, string rootFile)
{
// First, check if file is in the blacklist.
if (!string.IsNullOrEmpty(filePath) && _romFileBlacklist.Contains(Path.GetFileName(filePath), PathComparer.Instance))
{
return(false);
}
// Now, check if it has appropriate extension. If rootFile is not null or empty, check that FilePath has the same 'base name'.
var hasExpectedExtension = fileKind.HasCorrectExtension(filePath);
var hasCustomRomExtension = !hasExpectedExtension && fileKind.HasCustomRomExtension(filePath);
if (hasCustomRomExtension)
{
DebugOutput("We have a custom extension!");
}
// Don't care about case sensitivity of file system.
bool isProgramFile = (hasExpectedExtension || hasCustomRomExtension) && (string.IsNullOrEmpty(rootFile) || Path.GetFileName(filePath).StartsWith(Path.GetFileNameWithoutExtension(rootFile), StringComparison.InvariantCultureIgnoreCase));
if (isProgramFile)
{
// Check if file name has proper suffix. Don't care about case sensitivity of file system.
var suffix = fileKind.GetSuffix();
isProgramFile = string.IsNullOrEmpty(suffix) || Path.GetFileNameWithoutExtension(filePath).EndsWith(suffix, StringComparison.InvariantCultureIgnoreCase);
if (!isProgramFile)
{
// Check if it's in a proper directory.
var subdirectoriesForFile = fileKind.GetSubdirectories();
isProgramFile = !subdirectoriesForFile.Any() || subdirectoriesForFile.Contains(Path.GetFileName(Path.GetDirectoryName(filePath)), PathComparer.Instance);
}
}
return(isProgramFile);
}
private void UpdateProgramRom(ProgramFileKind whichFile, object data)
{
if (_programRom == null)
{
_programRom = new XmlRom();
}
var xmlRom = _programRom as XmlRom;
switch (whichFile)
{
case ProgramFileKind.Rom:
System.Diagnostics.Debug.Assert(!xmlRom.IsValid, "When is this called on a valid ROM?");
xmlRom.UpdateRomPath(data as string); // ugh... why is this here?
////if (!_supportFiles[ProgramFileKind.Rom].Contains(RomImagePath, System.StringComparer.OrdinalIgnoreCase))
////{
//// _supportFiles[ProgramFileKind.Rom].Add(RomImagePath);
////}
break;
case ProgramFileKind.CfgFile:
if (!string.IsNullOrEmpty(data as string))
{
xmlRom.UpdateConfigPath(data as string);
////if (!_supportFiles[ProgramFileKind.CfgFile].Contains(RomConfigurationFilePath, System.StringComparer.OrdinalIgnoreCase))
////{
//// _supportFiles[ProgramFileKind.CfgFile].Add(RomConfigurationFilePath);
////}
}
break;
}
}
/// <summary>
/// Checks whether the file extension is valid for the given program file kind.
/// </summary>
/// <param name="fileKind">The kind of program file for which the extension is to be validated.</param>
/// <param name="filePath">The file path to be checked.</param>
/// <returns>If the file has an extension that is valid for the given file kind, returns <c>true</c>; <c>false</c> otherwise.</returns>
public static bool HasCorrectExtension(this ProgramFileKind fileKind, string filePath)
{
var fileTypes = fileKind.FileExtensions();
var extension = GetExtension(filePath);
var hasStandardExtension = (extension != null) && fileTypes.Any(e => e.Equals(extension, System.StringComparison.OrdinalIgnoreCase));
return(hasStandardExtension);
}
/// <summary>
/// Retrieves the current validation state of the given support file.
/// </summary>
/// <param name="whichFile">Which support file to get a validation state for.</param>
/// <returns>The validation state of the file.</returns>
public ProgramSupportFileState GetSupportFileState(ProgramFileKind whichFile)
{
var state = ProgramSupportFileState.None;
if (!_supportFileStates.TryGetValue(whichFile, out state))
{
state = ProgramSupportFileState.None;
}
return(state);
}
/// <summary>
/// Removes the custom extension.
/// </summary>
/// <param name="fileKind">The file kind for which to remove a custom extension.</param>
/// <param name="extension">The custom file extension to no longer associate with the given file kind.</param>
public static void RemoveCustomExtension(this ProgramFileKind fileKind, string extension)
{
if ((fileKind == ProgramFileKind.Rom) && !string.IsNullOrEmpty(extension))
{
lock (CustomRomExtensions.Value)
{
CustomRomExtensions.Value.Remove(extension);
}
}
}
/// <summary>
/// Determines if the given file has a custom ROM extension.
/// </summary>
/// <returns><c>true</c> if the file has a custom rom extension; otherwise, <c>false</c>.</returns>
/// <param name="fileKind">File kind.</param>
/// <param name="filePath">File path.</param>
public static bool HasCustomRomExtension(this ProgramFileKind fileKind, string filePath)
{
var hasCustomRomExtension = false;
if (filePath != null)
{
if (fileKind == ProgramFileKind.Rom)
{
var extension = GetExtension(filePath);
if (extension == null)
{
extension = string.Empty;
}
lock (CustomRomExtensions.Value)
{
hasCustomRomExtension = CustomRomExtensions.Value.Any(e => e.Equals(extension, System.StringComparison.OrdinalIgnoreCase));
}
}
}
return(hasCustomRomExtension);
}
private string SetDefaultSupportFilePath(ProgramFileKind whichFile, string filePath)
{
string previousValue = null;
var files = _supportFiles[whichFile];
bool anyFiles = files.Any();
if (anyFiles)
{
previousValue = files[0];
}
if (string.IsNullOrEmpty(filePath))
{
if (anyFiles)
{
// When the default support file path is set to null, it is removed.
// TODO: Should we be setting the path to <null>? The way this works, if
// we have more entries, then the second in the list will become the new
// default, which is not intuitive.
files.RemoveAt(0);
}
}
else
{
var existingMatch = files.FirstOrDefault(f => System.StringComparer.OrdinalIgnoreCase.Compare(f, filePath) == 0);
if (existingMatch != null)
{
files.Remove(existingMatch);
files.Insert(0, filePath);
}
else if (anyFiles)
{
files[0] = filePath;
}
else
{
files.Insert(0, filePath);
}
}
return(previousValue);
}
/// <summary>
/// Shows a dialog to select a support file for the program.
/// </summary>
/// <param name="program">The program for which a support file is being selected.</param>
/// <param name="kind">The kind of support file to browse for.</param>
/// <returns>The selected support file.</returns>
internal static string BrowseForSupportFile(ProgramViewModel program, ProgramFileKind kind)
{
string filter = null;
string prompt = null;
switch (kind)
{
case ProgramFileKind.ManualText:
filter = RomListViewModel.SelectManualFilter;
prompt = string.Format(System.Globalization.CultureInfo.CurrentCulture, RomListViewModel.SelectManualPromptFormat, program.ProgramDescription.Name);
break;
case ProgramFileKind.SaveData:
filter = RomListViewModel.SelectJlpSaveDataFilter;
prompt = string.Format(System.Globalization.CultureInfo.CurrentCulture, RomListViewModel.SelectJlpSavePromptFormat, program.ProgramDescription.Name);
break;
default:
ErrorReporting.ReportNotImplementedError("ProgramViewModel.BrowseForSupportFile");
break;
}
string supportFilePath = null;
var fileBrowser = FileDialogHelpers.Create();
fileBrowser.IsFolderBrowser = false;
fileBrowser.AddFilter(filter, kind.FileExtensions());
fileBrowser.AddFilter(FileDialogHelpers.AllFilesFilter, new string[] { ".*" });
fileBrowser.Title = prompt;
fileBrowser.EnsureFileExists = true;
fileBrowser.EnsurePathExists = true;
fileBrowser.Multiselect = false;
var result = fileBrowser.ShowDialog();
if (result == FileBrowserDialogResult.Ok)
{
supportFilePath = fileBrowser.FileNames.First();
}
return(supportFilePath);
}
private ProgramSupportFileState GetSupportFileState(ProgramFileKind kind)
{
var state = ProgramSupportFileState.None;
switch (LtoFlashViewModel.SyncMode)
{
case MenuLayoutSynchronizationMode.None:
break;
case MenuLayoutSynchronizationMode.RomList:
if (ProgramDescription != null)
{
state = ProgramDescription.Files.GetSupportFileState(kind);
}
break;
case MenuLayoutSynchronizationMode.ToLtoFlash:
case MenuLayoutSynchronizationMode.FromLtoFlash:
state = State;
break;
}
return(state);
}
public void ProgramFileKind_HasCorrectExtensionForUnsupportedFileKind_ThrowsKeyNotFoundException(ProgramFileKind fileKind)
{
Assert.Throws <KeyNotFoundException>(() => fileKind.HasCorrectExtension(@"I:\ntellivision\Rules.forever"));
}
public void ProgramFileKind_HasCorrectExtension_ReturnsCorrectFileExtensions(ProgramFileKind fileKind, string filePath, bool expectedHasCorrectExtension)
{
Assert.Equal(expectedHasCorrectExtension, fileKind.HasCorrectExtension(filePath));
}
public void ProgramFileKind_FileExtensionForUnsupportedFileKind_ThrowsKeyNotFoundException(ProgramFileKind fileKind)
{
Assert.Throws <KeyNotFoundException>(() => fileKind.FileExtension());
}
public void ProgramFileKind_FileExtension_ReturnsCorrectFileExtension(ProgramFileKind fileKind, string expectedFileExtension)
{
Assert.Equal(expectedFileExtension, fileKind.FileExtension());
}
public void ProgramFileKind_FileExtensions_ReturnsCorrectFileExtensions(ProgramFileKind fileKind, IEnumerable <string> expectedFileExtensions)
{
AssertCollectionsAreEquivalent(expectedFileExtensions, fileKind.FileExtensions());
}
public void ProgramFileKind_GetSubdirectoriesForUnsupportedFileKind_ThrowsKeyNotFoundException(ProgramFileKind fileKind)
{
Assert.Throws <KeyNotFoundException>(() => fileKind.GetSubdirectories());
}
/// <summary>
/// Get the suffix to append to a file name for a particular <see cref="ProgramFileKind"/>, such as a manual or overlay.
/// </summary>
/// <param name="fileKind">The kind of program file for which a suffix is desired.</param>
/// <returns>The suffix to use. May be empty.</returns>
/// <exception cref="KeyNotFoundException">Thrown if <paramref name="fileKind"/> does not support a suffix.</exception>
public static string GetSuffix(this ProgramFileKind fileKind)
{
return(FileSuffixForFileKind.Value[fileKind]);
}
public void ProgramFileKind_GetSuffix_ReturnsCorrectSuffix(ProgramFileKind fileKind, string expectedSuffix)
{
Assert.Equal(expectedSuffix, fileKind.GetSuffix());
}
/// <summary>
/// Checks whether a file path is a program ROM file.
/// </summary>
/// <param name="fileKind">The kind of program file to check.</param>
/// <param name="filePath">The file path to inspect to determine if it is of the indicated program file kind.</param>
/// <returns><c>true</c> if the given file is of the given type.</returns>
public static bool IsProgramFile(this ProgramFileKind fileKind, string filePath)
{
var isProgram = fileKind.IsProgramSupportFile(filePath, null);
return(isProgram);
}
/// <summary>
/// Unconditionally adds a support file to the support files associated with a program.
/// </summary>
/// <param name="whichFile">Which support file to add.</param>
/// <param name="filePath">Absolute path of the support file being added.</param>
public void AddSupportFile(ProgramFileKind whichFile, string filePath)
{
_supportFiles[whichFile].Add(filePath);
}
/// <summary>
/// Gets the default file extension for a program file kind.
/// </summary>
/// <param name="fileKind">The kind of program file for which an extension is desired.</param>
/// <returns>The file extension.</returns>
/// <exception cref="KeyNotFoundException">Thrown if <paramref name="fileKind"/> is not supported.</exception>
public static string FileExtension(this ProgramFileKind fileKind)
{
return(fileKind.FileExtensions().First());
}
/// <summary>
/// Get the file extension for a program file.
/// </summary>
/// <param name="fileKind">The kind of program file for which an extension is desired.</param>
/// <returns>The file extensions. May be empty.</returns>
/// <exception cref="KeyNotFoundException">Thrown if <paramref name="fileKind"/> is not supported.</exception>
public static IEnumerable <string> FileExtensions(this ProgramFileKind fileKind)
{
return(FileExtensionsForFileKind.Value[fileKind]);
}
/// <summary>
/// Get the subdirectories into which to store a support file for a particular <see cref="ProgramFileKind"/>, such as a manual or overlay.
/// </summary>
/// <param name="fileKind">The kind of program file for which a subdirectory is desired.</param>
/// <returns>The subdirectories that may be used. File kinds that refer to known ROM types, or are unrecognized, will return an empty enumerable.</returns>
/// <exception cref="KeyNotFoundException">Thrown if <paramref name="fileKind"/> is not valid.</exception>
public static IEnumerable <string> GetSubdirectories(this ProgramFileKind fileKind)
{
return(FileSubdirectoriesForFileKind.Value[fileKind]);
}
public void ProgramFileKind_HasCustomRomExtensionForNullPath_ReturnsFalse(ProgramFileKind fileKind)
{
Assert.False(fileKind.HasCustomRomExtension(null));
}
public void ProgramFileKind_GetSubdirectories_ReturnsCorrectSubdirectories(ProgramFileKind fileKind, IEnumerable <string> expectedSubdirecories)
{
AssertCollectionsAreEquivalent(expectedSubdirecories, fileKind.GetSubdirectories());
}
public void ProgramFileKind_HasCustomRomExtensionForEmptyPath_ReturnsFalseExceptForRomKind(ProgramFileKind fileKind)
{
var expectedResult = fileKind == ProgramFileKind.Rom;
Assert.Equal(expectedResult, fileKind.HasCustomRomExtension(string.Empty));
}
/// <summary>
/// Updates the validation state of the given support file.
/// </summary>
/// <param name="whichFile">Which file to validate.</param>
/// <param name="crc">If non-zero, the CRC of the program ROM to compare against if validating the ROM file.</param>
/// <param name="programDescription">The program description being validated (if applicable).</param>
/// <param name="peripherals">The peripherals attached to the system, used for compatibility checks.</param>
/// <param name="connectedPeripheralsHistory">The peripherals that have been attached to the system over time.</param>
/// <param name="reportIfModified">If <c>true</c>, check if the file has been modified, not just whether it exists.</param>
/// <returns>The updated state of the file.</returns>
public ProgramSupportFileState ValidateSupportFile(ProgramFileKind whichFile, uint crc, IProgramDescription programDescription, IEnumerable <IPeripheral> peripherals, IEnumerable <IPeripheral> connectedPeripheralsHistory, bool reportIfModified)
{
var validationState = ProgramSupportFileState.None;
switch (whichFile)
{
case ProgramFileKind.Rom:
var isValid = Rom.Validate();
if (!string.IsNullOrEmpty(RomImagePath))
{
var previousValidationState = ProgramSupportFileState.None;
_supportFileStates.TryGetValue(whichFile, out previousValidationState);
if (!StreamUtilities.FileExists(RomImagePath))
{
validationState = ProgramSupportFileState.Missing;
if (AlternateRomImagePaths.Any(p => StreamUtilities.FileExists(p)))
{
validationState = ProgramSupportFileState.MissingWithAlternateFound;
}
}
else if (reportIfModified)
{
isValid = _programRom.IsValid;
if (crc != 0)
{
// In some cases, the CRC provided is actually Rom.Crc, so if they match, recompute the CRC.
var cfgCrc = 0u;
isValid = (Rom.Crc == crc) && (crc == GetRefreshedCrcForRom(RomImagePath, RomConfigurationFilePath, out cfgCrc) && (Rom.CfgCrc == cfgCrc));
}
validationState = isValid ? ProgramSupportFileState.PresentAndUnchanged : ProgramSupportFileState.PresentButModified;
}
switch (validationState)
{
case ProgramSupportFileState.PresentAndUnchanged:
case ProgramSupportFileState.None:
// Treat a ROM file's missing or modified state as higher priority to report than peripheral-related information.
// This bit of code is entirely LTO Flash!-specific in its assumptions. If there should ever be other
// peripheral-specific needs to address here, a larger architectural change may be necessary. While the
// language of the states here is neutral, the basis of this check is not.
var rom = programDescription == null ? Rom : programDescription.Rom;
var requiresPeripheral = rom.IsLtoFlashOnlyRom();
if (requiresPeripheral)
{
var isUniversallyCompatible = rom.GetTargetDeviceUniqueId() == LuigiScrambleKeyBlock.AnyLTOFlashId;
var matchesPeripheralInDeviceHistory = isUniversallyCompatible || ((connectedPeripheralsHistory != null) && (connectedPeripheralsHistory.FirstOrDefault(p => p.IsRomCompatible(programDescription)) != null));
var canRunOnConnected = isUniversallyCompatible || ((peripherals != null) && (peripherals.FirstOrDefault(p => p.IsRomCompatible(programDescription)) != null));
if (peripherals == null)
{
// If previous validation state was due to peripheral, retain it, since we don't
// have any peripherals to check against.
if (validationState != previousValidationState)
{
switch (previousValidationState)
{
case ProgramSupportFileState.RequiredPeripheralAvailable:
case ProgramSupportFileState.RequiredPeripheralIncompatible:
case ProgramSupportFileState.RequiredPeripheralNotAttached:
case ProgramSupportFileState.RequiredPeripheralUnknown:
validationState = previousValidationState;
break;
case ProgramSupportFileState.None:
validationState = matchesPeripheralInDeviceHistory ? ProgramSupportFileState.RequiredPeripheralNotAttached : ProgramSupportFileState.RequiredPeripheralUnknown;
break;
default:
// TODO: Decide if the following is a bug:
// 0: Presume a scrambled (unique) LUIGI, no device or device history provided (null)
// 1. Initially ROM's file is missing, but its alternate is found - this caches the 'MissingButAlternateFound' state
// 2. Update ROM to use alternate path as primary path
// 3. Re-validate
// At this point, the "Present and unmodified" state is used -- despite the ROM requiring
// a specific device.
// Why is this considered correct at this time?
// a) When no devices or device history are give (nulls), it's impossible to know. So just use the simple state of he file.
// b) It MAY be a bug that, if we pass in EMPTY peripheral / history lists that we should consider something different... but
// then again, should we report 'unknown peripheral' at that time? Or would reporting 'not attached' be better?
// What about 'universally' scrambled ROMs? Using 'not attached' may be more accurate then as well...
// The case of scrambled ROMs likely needs more careful consideration generally...
break;
}
}
}
else
{
if (peripherals.Any())
{
if (canRunOnConnected)
{
validationState = ProgramSupportFileState.RequiredPeripheralAvailable;
}
else
{
validationState = ProgramSupportFileState.RequiredPeripheralIncompatible;
}
}
else
{
validationState = matchesPeripheralInDeviceHistory ? ProgramSupportFileState.RequiredPeripheralNotAttached : ProgramSupportFileState.RequiredPeripheralUnknown;
}
}
}
break;
default:
break;
}
}
break;
default:
// TODO: Implement remaining validation code.
break;
}
_supportFileStates[whichFile] = validationState;
return(validationState);
}
