/// <summary>
/// Get the dictionary for the specified buffer
/// </summary>
/// <param name="buffer">The buffer for which to get a dictionary</param>
/// <returns>The spelling dictionary for the buffer or null if one is not provided</returns>
public SpellingDictionary GetDictionary(ITextBuffer buffer)
{
SpellingDictionary service = null;
if (buffer != null && !buffer.Properties.TryGetProperty(typeof(SpellingDictionary), out service))
{
// Get the configuration and create the dictionary based on the configuration
var config = this.GetConfiguration(buffer);
if (config != null)
{
// Create or get the existing global dictionary for the default language
var globalDictionary = GlobalDictionary.CreateGlobalDictionary(config.DefaultLanguage,
globalServiceProvider, config.AdditionalDictionaryFolders, config.RecognizedWords);
if (globalDictionary != null)
{
service = new SpellingDictionary(globalDictionary, config.IgnoredWords);
buffer.Properties[typeof(SpellingDictionary)] = service;
}
}
}
return(service);
}
//=====================================================================
/// <inheritdoc />
public ISpellingDictionary GetDictionary(ITextBuffer buffer)
{
ISpellingDictionary service = null;
if (buffer.Properties.TryGetProperty(typeof(SpellingDictionaryService), out service))
{
return(service);
}
List <ISpellingDictionary> bufferSpecificDictionaries = new List <ISpellingDictionary>();
foreach (var provider in bufferSpecificDictionaryProviders)
{
var dictionary = provider.Value.GetDictionary(buffer);
if (dictionary != null)
{
bufferSpecificDictionaries.Add(dictionary);
}
}
// Create or get the existing global dictionary for the default language
var globalDictionary = GlobalDictionary.CreateGlobalDictionary(null);
if (globalDictionary != null)
{
service = new SpellingDictionaryService(bufferSpecificDictionaries, globalDictionary);
buffer.Properties[typeof(SpellingDictionaryService)] = service;
}
return(service);
}
/// <summary>
/// Get the dictionary for the specified buffer
/// </summary>
/// <param name="buffer">The buffer for which to get a dictionary</param>
/// <returns>The spelling dictionary for the buffer or null if one is not provided</returns>
public SpellingDictionary GetDictionary(ITextBuffer buffer)
{
SpellingDictionary service = null;
if (buffer != null && !buffer.Properties.TryGetProperty(typeof(SpellingDictionary), out service))
{
// Get the configuration and create the dictionary based on the configuration
var config = this.GetConfiguration(buffer);
if (config != null)
{
// Create a dictionary for each configuration dictionary language ignoring any that are
// invalid and duplicates caused by missing languages which return the en-US dictionary.
var globalDictionaries = config.DictionaryLanguages.Select(l =>
GlobalDictionary.CreateGlobalDictionary(l, globalServiceProvider,
config.AdditionalDictionaryFolders, config.RecognizedWords)).Where(
d => d != null).Distinct().ToList();
if (globalDictionaries.Any())
{
service = new SpellingDictionary(globalDictionaries, config.IgnoredWords);
buffer.Properties[typeof(SpellingDictionary)] = service;
}
}
}
return(service);
}
//=====================================================================
/// <summary>
/// Constructor
/// </summary>
/// <param name="globalDictionary">The global dictionary</param>
/// <param name="ignoredWords">An optional enumerable list of ignored words</param>
public SpellingDictionary(GlobalDictionary globalDictionary, IEnumerable <string> ignoredWords)
{
this.globalDictionary = globalDictionary;
this.ignoredWords = (ignoredWords ?? Enumerable.Empty <string>());
// Register to receive events when the global dictionary is updated
globalDictionary.RegisterSpellingDictionaryService(this);
}
//=====================================================================
/// <summary>
/// Create a global dictionary for the specified culture
/// </summary>
/// <param name="culture">The language to use for the dictionary.</param>
/// <param name="additionalDictionaryFolders">An enumerable list of additional folders to search for
/// other dictionaries.</param>
/// <param name="recognizedWords">An optional list of recognized words that will be added to the
/// dictionary (i.e. from a code analysis dictionary).</param>
/// <returns>The global dictionary to use or null if one could not be created.</returns>
public static GlobalDictionary CreateGlobalDictionary(CultureInfo culture,
IEnumerable <string> additionalDictionaryFolders, IEnumerable <string> recognizedWords)
{
GlobalDictionary globalDictionary = null;
try
{
if (globalDictionaries == null)
{
globalDictionaries = new Dictionary <string, GlobalDictionary>();
}
if (spellEngine == null)
{
Hunspell.NativeDllPath = Path.Combine(Path.GetDirectoryName(
Assembly.GetExecutingAssembly().Location), "NHunspell");
spellEngine = new SpellEngine();
}
// The configuration editor should disallow creating a configuration without at least one
// language but if someone edits the file manually, they could remove them all. If that
// happens, just use the English-US dictionary.
if (culture == null)
{
culture = new CultureInfo("en-US");
}
// If not already loaded, create the dictionary and the thread-safe spell factory instance for
// the given culture.
if (!globalDictionaries.TryGetValue(culture.Name, out globalDictionary))
{
globalDictionary = new GlobalDictionary(culture, recognizedWords);
// Initialize the dictionaries asynchronously. We don't care about the result here.
_ = Task.Run(() => globalDictionary.InitializeDictionary(additionalDictionaryFolders));
globalDictionaries.Add(culture.Name, globalDictionary);
}
else
{
// Add recognized words that are not already there
globalDictionary.AddRecognizedWords(recognizedWords);
}
}
catch (Exception ex)
{
// Ignore exceptions. Not much we can do, we just won't spell check anything in this language.
System.Diagnostics.Debug.WriteLine(ex);
}
return(globalDictionary);
}
//=====================================================================
/// <summary>
/// Constructor
/// </summary>
/// <param name="bufferSpecificDictionaries">A list of buffer-specific dictionaries</param>
/// <param name="globalDictionary">The global dictionary</param>
public SpellingDictionaryService(IList <ISpellingDictionary> bufferSpecificDictionaries,
GlobalDictionary globalDictionary)
{
this.globalDictionary = globalDictionary;
this.bufferSpecificDictionaries = bufferSpecificDictionaries;
// TODO: This never gets disconnected and would probably keep this instance alive, right? Probably
// should switch to something like RegisterSpellingDictionaryService used by global dictionary.
// Perhaps make that method part of the ISpellingDictionary interface? Need to test it once a
// buffer-specific class is actually implemented.
foreach (var dictionary in bufferSpecificDictionaries)
{
dictionary.DictionaryUpdated += this.BufferSpecificDictionaryUpdated;
}
// Register to receive events when the global dictionary is updated
globalDictionary.RegisterSpellingDictionaryService(this);
}
/// <summary>
/// Add the given word to the dictionary so that it will no longer show up as an incorrect spelling
/// </summary>
/// <param name="word">The word to add to the dictionary.</param>
/// <param name="culture">The culture of the dictionary to which the word is added or null to add it to
/// the first dictionary.</param>
/// <returns><c>true</c> if the word was successfully added to the dictionary, even if it was already in
/// the dictionary.</returns>
public bool AddWordToDictionary(string word, CultureInfo culture)
{
GlobalDictionary dictionary = null;
if (String.IsNullOrWhiteSpace(word))
{
return(false);
}
if (culture != null)
{
dictionary = this.Dictionaries.FirstOrDefault(d => d.Culture == culture);
}
if (dictionary == null)
{
dictionary = this.Dictionaries.First();
}
return(this.ShouldIgnoreWord(word) || dictionary.AddWordToDictionary(word));
}
//=====================================================================
/// <summary>
/// This is used to clear the global dictionary cache whenever a solution is closed
/// </summary>
/// <remarks>The spelling service factory also contains code to clear the dictionary cache when it
/// detects a change in solution. This package will not load unless a configuration is edited. This is
/// needed to consistently clear the cache if editing configurations in different solutions without
/// opening any spell checked files.</remarks>
private static void solutionEvents_AfterClosing()
{
WpfTextBox.WpfTextBoxSpellChecker.ClearCache();
GlobalDictionary.ClearDictionaryCache();
}
//=====================================================================
/// <summary>
/// Generate the configuration to use when spell checking the given text buffer
/// </summary>
/// <param name="buffer">The text buffer for which to generate a configuration</param>
/// <returns>The generated configuration to use</returns>
/// <remarks>The configuration is a merger of the global settings plus any solution, project, folder, and
/// file settings related to the text buffer.</remarks>
private SpellCheckerConfiguration GenerateConfiguration(ITextBuffer buffer)
{
ProjectItem projectItem, fileItem;
string bufferFilename, filename, projectPath, projectFilename = null;
// Start with the global configuration
var config = new SpellCheckerConfiguration();
try
{
config.Load(SpellingConfigurationFile.GlobalConfigurationFilename);
var dte2 = (globalServiceProvider == null) ? null :
globalServiceProvider.GetService(typeof(SDTE)) as DTE2;
if (dte2 != null && dte2.Solution != null && !String.IsNullOrWhiteSpace(dte2.Solution.FullName))
{
var solution = dte2.Solution;
// Clear the global dictionary cache when a change in solution is detected. This handles
// cases where only the MEF components are loaded and not the package (i.e. a configuration
// has not been edited). See VSSpellCheckerPackage.solutionEvents_AfterClosing().
if (lastSolutionName == null || !lastSolutionName.Equals(solution.FullName,
StringComparison.OrdinalIgnoreCase))
{
GlobalDictionary.ClearDictionaryCache();
lastSolutionName = solution.FullName;
}
// See if there is a solution configuration
filename = solution.FullName + ".vsspell";
projectItem = solution.FindProjectItem(filename);
if (projectItem != null)
{
config.Load(filename);
}
// Find the project item for the file we are opening
bufferFilename = buffer.GetFilename();
projectItem = (bufferFilename != null) ? solution.FindProjectItem(bufferFilename) : null;
if (projectItem != null)
{
fileItem = projectItem;
// If we have a project (we should), see if it has settings
if (projectItem.ContainingProject != null &&
!String.IsNullOrWhiteSpace(projectItem.ContainingProject.FullName))
{
projectFilename = projectItem.ContainingProject.FullName;
filename = projectFilename + ".vsspell";
projectItem = solution.FindProjectItem(filename);
if (projectItem != null)
{
config.Load(filename);
}
// Get the full path based on the project. The buffer filename will refer to the actual
// path which may be to a linked file outside the project's folder structure.
projectPath = Path.GetDirectoryName(filename);
filename = Path.GetDirectoryName((string)fileItem.Properties.Item("FullPath").Value);
// Search for folder-specific configuration files
if (filename.StartsWith(projectPath, StringComparison.OrdinalIgnoreCase))
{
// Then check subfolders. No need to check the root folder as the project
// settings cover it.
if (filename.Length > projectPath.Length)
{
foreach (string folder in filename.Substring(projectPath.Length + 1).Split('\\'))
{
projectPath = Path.Combine(projectPath, folder);
filename = Path.Combine(projectPath, folder + ".vsspell");
projectItem = solution.FindProjectItem(filename);
if (projectItem != null)
{
config.Load(filename);
}
}
}
}
// If the item looks like a dependent file item, look for a settings file related to
// the parent file item.
if (fileItem.Collection != null && fileItem.Collection.Parent != null)
{
projectItem = fileItem.Collection.Parent as ProjectItem;
if (projectItem != null && projectItem.Kind == EnvDTE.Constants.vsProjectItemKindPhysicalFile)
{
filename = (string)projectItem.Properties.Item("FullPath").Value + ".vsspell";
projectItem = solution.FindProjectItem(filename);
if (projectItem != null)
{
config.Load(filename);
}
}
}
// And finally, look for file-specific settings for the item itself
filename = (string)fileItem.Properties.Item("FullPath").Value + ".vsspell";
projectItem = solution.FindProjectItem(filename);
if (projectItem != null)
{
config.Load(filename);
}
}
else
if (projectItem.Kind == EnvDTE.Constants.vsProjectItemKindSolutionItems)
{
// Looks like a solution item, see if a related setting file exists
filename = bufferFilename + ".vsspell";
projectItem = solution.FindProjectItem(filename);
if (projectItem != null)
{
config.Load(filename);
}
}
}
// Load code analysis dictionaries if wanted
if (projectFilename != null && config.CadOptions.ImportCodeAnalysisDictionaries)
{
// I'm not sure if there's a better way to do this but it does seem to work. We need to
// find one or more arbitrary files with an item type of "CodeAnalysisDictionary". We
// do so by getting the MSBuild project from the global project collection and using its
// GetItems() method to find them.
var loadedProject = Microsoft.Build.Evaluation.ProjectCollection.GlobalProjectCollection.GetLoadedProjects(
projectFilename).FirstOrDefault();
if (loadedProject != null)
{
// Typically there is only one but multiple files are supported
foreach (var cad in loadedProject.GetItems("CodeAnalysisDictionary"))
{
filename = Path.Combine(Path.GetDirectoryName(projectFilename), cad.EvaluatedInclude);
if (File.Exists(filename))
{
config.ImportCodeAnalysisDictionary(filename);
}
}
}
}
if (bufferFilename != null && config.DetermineResourceFileLanguageFromName &&
Path.GetExtension(bufferFilename).Equals(".resx", StringComparison.OrdinalIgnoreCase))
{
// Localized resource files are expected to have filenames in the format
// BaseName.Language.resx (i.e. LocalizedForm.de-DE.resx).
bufferFilename = Path.GetExtension(Path.GetFileNameWithoutExtension(bufferFilename));
if (bufferFilename.Length > 1)
{
bufferFilename = bufferFilename.Substring(1);
SpellCheckerDictionary match;
if (SpellCheckerDictionary.AvailableDictionaries(
config.AdditionalDictionaryFolders).TryGetValue(bufferFilename, out match))
{
// Clear any existing dictionary languages and use just the one that matches the
// file's language.
config.DictionaryLanguages.Clear();
config.DictionaryLanguages.Add(match.Culture);
}
}
}
}
else
if (lastSolutionName != null)
{
// A solution was closed and a file has been opened outside of a solution so clear the
// cache and use the global dictionaries.
GlobalDictionary.ClearDictionaryCache();
lastSolutionName = null;
}
}
catch (Exception ex)
{
// Ignore errors, we just won't load the configurations after the point of failure
System.Diagnostics.Debug.WriteLine(ex);
}
return(config);
}
//=====================================================================
/// <summary>
/// Create a global dictionary for the specified culture
/// </summary>
/// <param name="culture">The language to use for the dictionary.</param>
/// <param name="serviceProvider">A service provider used to interact with the solution/project</param>
/// <param name="additionalDictionaryFolders">An enumerable list of additional folders to search for
/// other dictionaries.</param>
/// <param name="recognizedWords">An optional list of recognized words that will be added to the
/// dictionary (i.e. from a code analysis dictionary).</param>
/// <returns>The global dictionary to use or null if one could not be created.</returns>
public static GlobalDictionary CreateGlobalDictionary(CultureInfo culture, IServiceProvider serviceProvider,
IEnumerable <string> additionalDictionaryFolders, IEnumerable <string> recognizedWords)
{
GlobalDictionary globalDictionary = null;
string affixFile, dictionaryFile, userWordsFile;
try
{
// The configuration editor should disallow creating a configuration without at least one
// language but if someone edits the file manually, they could remove them all. If that
// happens, just use the English-US dictionary.
if (culture == null)
{
culture = new CultureInfo("en-US");
}
if (globalDictionaries == null)
{
globalDictionaries = new Dictionary <string, GlobalDictionary>();
}
// If not already loaded, create the dictionary and the thread-safe spell factory instance for
// the given culture.
if (!globalDictionaries.ContainsKey(culture.Name))
{
string dllPath = Path.Combine(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location),
"NHunspell");
if (spellEngine == null)
{
Hunspell.NativeDllPath = dllPath;
spellEngine = new SpellEngine();
}
// Look for all available dictionaries and get the one for the requested culture
var dictionaries = SpellCheckerDictionary.AvailableDictionaries(additionalDictionaryFolders);
SpellCheckerDictionary userDictionary;
if (dictionaries.TryGetValue(culture.Name, out userDictionary))
{
affixFile = userDictionary.AffixFilePath;
dictionaryFile = userDictionary.DictionaryFilePath;
userWordsFile = userDictionary.UserDictionaryFilePath;
}
else
{
affixFile = dictionaryFile = userWordsFile = null;
}
// If not found, default to the English dictionary supplied with the package. This can at
// least clue us in that it didn't find the language-specific dictionary when the suggestions
// are in English.
if (affixFile == null || dictionaryFile == null || !File.Exists(affixFile) ||
!File.Exists(dictionaryFile))
{
affixFile = Path.Combine(dllPath, "en_US.aff");
dictionaryFile = Path.ChangeExtension(affixFile, ".dic");
userWordsFile = Path.Combine(SpellingConfigurationFile.GlobalConfigurationFilePath,
"en-US_User.dic");
}
spellEngine.AddLanguage(new LanguageConfig
{
LanguageCode = culture.Name,
HunspellAffFile = affixFile,
HunspellDictFile = dictionaryFile
});
globalDictionaries.Add(culture.Name, new GlobalDictionary(culture, spellEngine[culture.Name],
dictionaryFile, userWordsFile, serviceProvider));
}
globalDictionary = globalDictionaries[culture.Name];
// Add recognized words that are not already there
globalDictionary.AddRecognizedWords(recognizedWords);
}
catch (Exception ex)
{
// Ignore exceptions. Not much we can do, we just won't spell check anything.
System.Diagnostics.Debug.WriteLine(ex);
}
return(globalDictionary);
}
/// <summary>
/// Generate the configuration to use when spell checking the given text buffer
/// </summary>
/// <param name="buffer">The text buffer for which to generate a configuration</param>
/// <returns>The generated configuration to use</returns>
/// <remarks>The configuration is a merger of the global settings plus any solution, project, folder, and
/// file settings related to the text buffer.</remarks>
private static SpellCheckerConfiguration GenerateConfiguration(ITextBuffer buffer)
{
Microsoft.VisualStudio.Shell.ThreadHelper.ThrowIfNotOnUIThread();
ProjectItem projectItem, fileItem;
string bufferFilename, filename, projectPath, projectFilename = null;
// Start with the global configuration
var config = new SpellCheckerConfiguration();
try
{
config.Load(SpellingConfigurationFile.GlobalConfigurationFilename);
if (Package.GetGlobalService(typeof(SDTE)) is DTE2 dte2 && dte2.Solution != null &&
!String.IsNullOrWhiteSpace(dte2.Solution.FullName))
{
var solution = dte2.Solution;
// Clear the global dictionary cache when a change in solution is detected. This handles
// cases where only the MEF components are loaded and not the package (i.e. a configuration
// has not been edited). See VSSpellCheckerPackage.solutionEvents_AfterClosing().
if (LastSolutionName == null || !LastSolutionName.Equals(solution.FullName,
StringComparison.OrdinalIgnoreCase))
{
WpfTextBox.WpfTextBoxSpellChecker.ClearCache();
GlobalDictionary.ClearDictionaryCache();
LastSolutionName = solution.FullName;
}
// See if there is a solution configuration
filename = solution.FullName + ".vsspell";
projectItem = solution.FindProjectItemForFile(filename);
if (projectItem != null)
{
config.Load(filename);
}
// Find the project item for the file we are opening
bufferFilename = buffer.GetFilename();
projectItem = solution.FindProjectItemForFile(bufferFilename);
if (projectItem != null)
{
fileItem = projectItem;
// If we have a project (we should), see if it has settings
if (projectItem.ContainingProject != null &&
!String.IsNullOrWhiteSpace(projectItem.ContainingProject.FullName))
{
projectFilename = projectItem.ContainingProject.FullName;
// Website projects are named after the folder
if (projectFilename.Length > 1 && projectFilename[projectFilename.Length - 1] == '\\')
{
filename = Path.GetFileName(projectFilename.Substring(0, projectFilename.Length - 1));
filename = projectFilename + filename + ".vsspell";
}
else
{
filename = projectFilename + ".vsspell";
}
projectItem = solution.FindProjectItemForFile(filename);
if (projectItem != null)
{
config.Load(filename);
}
// Get the full path based on the project. The buffer filename will refer to the actual
// path which may be to a linked file outside the project's folder structure.
projectPath = Path.GetDirectoryName(filename);
filename = Path.GetDirectoryName((string)fileItem.Properties.Item("FullPath").Value);
// Search for folder-specific configuration files
if (filename.StartsWith(projectPath, StringComparison.OrdinalIgnoreCase))
{
// Then check subfolders. No need to check the root folder as the project
// settings cover it.
if (filename.Length > projectPath.Length)
{
foreach (string folder in filename.Substring(projectPath.Length + 1).Split('\\'))
{
projectPath = Path.Combine(projectPath, folder);
filename = Path.Combine(projectPath, folder + ".vsspell");
projectItem = solution.FindProjectItemForFile(filename);
if (projectItem != null)
{
config.Load(filename);
}
}
}
}
// If the item looks like a dependent file item, look for a settings file related to
// the parent file item.
if (fileItem.Collection != null && fileItem.Collection.Parent != null)
{
projectItem = fileItem.Collection.Parent as ProjectItem;
if (projectItem != null && projectItem.Kind == EnvDTE.Constants.vsProjectItemKindPhysicalFile)
{
filename = (string)projectItem.Properties.Item("FullPath").Value + ".vsspell";
projectItem = solution.FindProjectItemForFile(filename);
if (projectItem != null)
{
config.Load(filename);
}
}
}
// And finally, look for file-specific settings for the item itself
filename = (string)fileItem.Properties.Item("FullPath").Value + ".vsspell";
projectItem = solution.FindProjectItemForFile(filename);
if (projectItem != null)
{
config.Load(filename);
}
}
else
if (projectItem.Kind == EnvDTE.Constants.vsProjectItemKindSolutionItems)
{
// Looks like a solution item, see if a related setting file exists
filename = bufferFilename + ".vsspell";
projectItem = solution.FindProjectItemForFile(filename);
if (projectItem != null)
{
config.Load(filename);
}
}
}
// Load code analysis dictionaries if wanted
if (projectFilename != null && config.CadOptions.ImportCodeAnalysisDictionaries)
{
// Typically there is only one but multiple files are supported
foreach (var cad in SpellCheckFileInfo.ProjectCodeAnalysisDictionaries(projectFilename))
{
if (File.Exists(cad.CanonicalName))
{
config.ImportCodeAnalysisDictionary(cad.CanonicalName);
}
}
}
if (bufferFilename != null && config.DetermineResourceFileLanguageFromName &&
Path.GetExtension(bufferFilename).Equals(".resx", StringComparison.OrdinalIgnoreCase))
{
// Localized resource files are expected to have filenames in the format
// BaseName.Language.resx (i.e. LocalizedForm.de-DE.resx).
bufferFilename = Path.GetExtension(Path.GetFileNameWithoutExtension(bufferFilename));
if (bufferFilename.Length > 1)
{
bufferFilename = bufferFilename.Substring(1);
if (SpellCheckerDictionary.AvailableDictionaries(
config.AdditionalDictionaryFolders).TryGetValue(bufferFilename,
out SpellCheckerDictionary match))
{
// Clear any existing dictionary languages and use just the one that matches the
// file's language.
config.DictionaryLanguages.Clear();
config.DictionaryLanguages.Add(match.Culture);
}
}
}
}
else
if (LastSolutionName != null)
{
// A solution was closed and a file has been opened outside of a solution so clear the
// cache and use the global dictionaries.
WpfTextBox.WpfTextBoxSpellChecker.ClearCache();
GlobalDictionary.ClearDictionaryCache();
LastSolutionName = null;
}
}
//=====================================================================
/// <summary>
/// Create a global dictionary for the specified culture
/// </summary>
/// <param name="culture">The language to use for the dictionary</param>
/// <returns>The spell factory to use or null if one could not be created</returns>
public static GlobalDictionary CreateGlobalDictionary(CultureInfo culture)
{
GlobalDictionary globalDictionary = null;
string affixFile, dictionaryFile;
try
{
if (globalDictionaries == null)
{
globalDictionaries = new Dictionary <string, GlobalDictionary>();
}
// If no culture is specified, use the default culture
if (culture == null)
{
culture = SpellCheckerConfiguration.DefaultLanguage;
}
// If not already loaded, create the dictionary and the thread-safe spell factory instance for
// the given culture.
if (!globalDictionaries.ContainsKey(culture.Name))
{
string dllPath = Path.Combine(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location),
"NHunspell");
if (spellEngine == null)
{
Hunspell.NativeDllPath = dllPath;
spellEngine = new SpellEngine();
}
// Look in the configuration folder first for user-supplied dictionaries
affixFile = Path.Combine(SpellCheckerConfiguration.ConfigurationFilePath,
culture.Name + ".aff");
dictionaryFile = Path.ChangeExtension(affixFile, ".dic");
// Dictionary file names may use a dash or an underscore as the separator. Try both ways
// in case they aren't named consistently which does happen.
if (!File.Exists(affixFile))
{
affixFile = Path.Combine(SpellCheckerConfiguration.ConfigurationFilePath,
culture.Name.Replace('-', '_') + ".aff");
}
if (!File.Exists(dictionaryFile))
{
dictionaryFile = Path.Combine(SpellCheckerConfiguration.ConfigurationFilePath,
culture.Name.Replace('-', '_') + ".dic");
}
// If not found, default to the English dictionary supplied with the package. This can at
// least clue us in that it didn't find the language-specific dictionary when the suggestions
// are in English.
if (!File.Exists(affixFile) || !File.Exists(dictionaryFile))
{
affixFile = Path.Combine(dllPath, "en_US.aff");
dictionaryFile = Path.ChangeExtension(affixFile, ".dic");
}
spellEngine.AddLanguage(new LanguageConfig
{
LanguageCode = culture.Name,
HunspellAffFile = affixFile,
HunspellDictFile = dictionaryFile
});
globalDictionaries.Add(culture.Name, new GlobalDictionary(culture, spellEngine[culture.Name]));
}
globalDictionary = globalDictionaries[culture.Name];
}
catch (Exception ex)
{
// Ignore exceptions. Not much we can do, we'll just not spell check anything.
System.Diagnostics.Debug.WriteLine(ex);
}
return(globalDictionary);
}
//=====================================================================
/// <summary>
/// This is used to clear the global dictionary cache whenever a solution is closed
/// </summary>
/// <remarks>The spelling service factory also contains code to clear the dictionary cache when it
/// detects a change in solution. This package will not load unless a configuration is edited. This is
/// needed to consistently clear the cache if editing configurations in different solutions without
/// opening any spell checked files.</remarks>
void solutionEvents_AfterClosing()
{
GlobalDictionary.ClearDictionaryCache();
}
//=====================================================================
/// <summary>
/// Generate the configuration to use when spell checking the given text buffer
/// </summary>
/// <param name="buffer">The text buffer for which to generate a configuration</param>
/// <returns>The generated configuration to use</returns>
/// <remarks>The configuration is a merger of the global settings plus any solution, project, folder, and
/// file settings related to the text buffer.</remarks>
private SpellCheckerConfiguration GenerateConfiguration(ITextBuffer buffer)
{
ProjectItem projectItem, fileItem;
string bufferFilename, filename, projectPath;
// Start with the global configuration
var config = new SpellCheckerConfiguration();
try
{
config.Load(SpellingConfigurationFile.GlobalConfigurationFilename);
var dte2 = (globalServiceProvider == null) ? null :
globalServiceProvider.GetService(typeof(SDTE)) as DTE2;
if (dte2 != null && dte2.Solution != null && !String.IsNullOrWhiteSpace(dte2.Solution.FullName))
{
var solution = dte2.Solution;
// Clear the global dictionary cache when a change in solution is detected
if (lastSolutionName == null || !lastSolutionName.Equals(solution.FullName,
StringComparison.OrdinalIgnoreCase))
{
GlobalDictionary.ClearDictionaryCache();
lastSolutionName = solution.FullName;
}
// See if there is a solution configuration
filename = solution.FullName + ".vsspell";
projectItem = solution.FindProjectItem(filename);
if (projectItem != null)
{
config.Load(filename);
}
// Find the project item for the file we are opening
bufferFilename = buffer.GetFilename();
projectItem = (bufferFilename != null) ? solution.FindProjectItem(bufferFilename) : null;
if (projectItem != null)
{
fileItem = projectItem;
// If we have a project (we should), see if it has settings
if (projectItem.ContainingProject != null &&
!String.IsNullOrWhiteSpace(projectItem.ContainingProject.FullName))
{
filename = projectItem.ContainingProject.FullName + ".vsspell";
projectItem = solution.FindProjectItem(filename);
if (projectItem != null)
{
config.Load(filename);
}
// Get the full path based on the project. The buffer filename will refer to the actual
// path which may be to a linked file outside the project's folder structure.
projectPath = Path.GetDirectoryName(filename);
filename = Path.GetDirectoryName((string)fileItem.Properties.Item("FullPath").Value);
// Search for folder-specific configuration files
if (filename.StartsWith(projectPath, StringComparison.OrdinalIgnoreCase))
{
// Then check subfolders. No need to check the root folder as the project
// settings cover it.
if (filename.Length > projectPath.Length)
{
foreach (string folder in filename.Substring(projectPath.Length + 1).Split('\\'))
{
projectPath = Path.Combine(projectPath, folder);
filename = Path.Combine(projectPath, folder + ".vsspell");
projectItem = solution.FindProjectItem(filename);
if (projectItem != null)
{
config.Load(filename);
}
}
}
}
// If the item looks like a dependent file item, look for a settings file related to
// the parent file item.
if (fileItem.Collection != null && fileItem.Collection.Parent != null)
{
projectItem = fileItem.Collection.Parent as ProjectItem;
if (projectItem != null && projectItem.Kind == EnvDTE.Constants.vsProjectItemKindPhysicalFile)
{
filename = (string)projectItem.Properties.Item("FullPath").Value + ".vsspell";
projectItem = solution.FindProjectItem(filename);
if (projectItem != null)
{
config.Load(filename);
}
}
}
// And finally, look for file-specific settings for the item itself
filename = (string)fileItem.Properties.Item("FullPath").Value + ".vsspell";
projectItem = solution.FindProjectItem(filename);
if (projectItem != null)
{
config.Load(filename);
}
}
}
if (bufferFilename != null && config.DetermineResourceFileLanguageFromName &&
Path.GetExtension(bufferFilename).Equals(".resx", StringComparison.OrdinalIgnoreCase))
{
// Localized resource files are expected to have filenames in the format
// BaseName.Language.resx (i.e. LocalizedForm.de-DE.resx).
bufferFilename = Path.GetExtension(Path.GetFileNameWithoutExtension(bufferFilename));
if (bufferFilename.Length > 1)
{
bufferFilename = bufferFilename.Substring(1);
SpellCheckerDictionary match;
if (SpellCheckerDictionary.AvailableDictionaries(
config.AdditionalDictionaryFolders).TryGetValue(bufferFilename, out match))
{
config.DefaultLanguage = match.Culture;
}
}
}
}
else
if (lastSolutionName != null)
{
// A solution was closed and a file has been opened outside of a solution so clear the
// cache and use the global dictionaries.
GlobalDictionary.ClearDictionaryCache();
lastSolutionName = null;
}
}
catch (Exception ex)
{
// Ignore errors, we just won't load the configurations after the point of failure
System.Diagnostics.Debug.WriteLine(ex);
}
return(config);
}