private static void FillUnmanagedContextOptions(ref Sass_Options ctx_options, SassContextBase context)
{
SassOptions options = context.Options;
foreach (string importExtension in options.AdditionalImportExtensions)
{
Sass_Api.sass_option_push_import_extension(ctx_options, importExtension);
}
Sass_Api.sass_option_set_include_path(ctx_options, options.IncludePath);
Sass_Api.sass_option_set_indent(ctx_options, options.Indent);
Sass_Api.sass_option_set_input_path(ctx_options, context.InputPath);
Sass_Api.sass_option_set_is_indented_syntax_src(ctx_options, context.IsIndentedSyntaxSource);
Sass_Api.sass_option_set_linefeed(ctx_options, options.LineFeed);
Sass_Api.sass_option_set_omit_source_map_url(ctx_options, options.OmitSourceMapUrl);
Sass_Api.sass_option_set_output_path(ctx_options, context.OutputPath);
Sass_Api.sass_option_set_output_style(ctx_options, (Sass_Output_Style)options.OutputStyle);
Sass_Api.sass_option_set_precision(ctx_options, options.Precision);
Sass_Api.sass_option_set_source_comments(ctx_options, options.SourceComments);
Sass_Api.sass_option_set_source_map_contents(ctx_options, options.SourceMapContents);
Sass_Api.sass_option_set_source_map_embed(ctx_options, options.SourceMapEmbed);
Sass_Api.sass_option_set_source_map_file(ctx_options, context.SourceMapFile);
Sass_Api.sass_option_set_source_map_file_urls(ctx_options, options.SourceMapFileUrls);
Sass_Api.sass_option_set_source_map_root(ctx_options, options.SourceMapRoot);
}
public static void UnsetFileManager()
{
if (!Sass_Api.sass_file_manager_get_is_initialized())
{
return;
}
Sass_Api.sass_file_manager_set_is_initialized(false);
Sass_Api.sass_file_manager_set_supports_conversion_to_absolute_path(false);
Sass_Api.sass_file_manager_unset_get_current_directory_delegate();
Sass_Api.sass_file_manager_unset_file_exists_delegate();
Sass_Api.sass_file_manager_unset_is_absolute_path_delegate();
Sass_Api.sass_file_manager_unset_to_absolute_path_delegate();
Sass_Api.sass_file_manager_unset_read_file_delegate();
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
_getCurrentDirectoryDelegateUtf16 = null;
_fileExistsDelegateUtf16 = null;
_isAbsolutePathDelegateUtf16 = null;
_toAbsolutePathDelegateUtf16 = null;
_readFileDelegateUtf16 = null;
}
else
{
_getCurrentDirectoryDelegateUtf8 = null;
_fileExistsDelegateUtf8 = null;
_isAbsolutePathDelegateUtf8 = null;
_toAbsolutePathDelegateUtf8 = null;
_readFileDelegateUtf8 = null;
}
}
public static void UnsetFileManager()
{
Sass_Api.sass_file_manager_set_is_initialized(false);
Sass_Api.sass_file_manager_set_supports_conversion_to_absolute_path(false);
Sass_Api.sass_file_manager_unset_get_current_directory_delegate();
Sass_Api.sass_file_manager_unset_file_exists_delegate();
Sass_Api.sass_file_manager_unset_is_absolute_path_delegate();
Sass_Api.sass_file_manager_unset_to_absolute_path_delegate();
Sass_Api.sass_file_manager_unset_read_file_delegate();
if (Utils.IsWindows())
{
_getCurrentDirectoryDelegateUtf16 = null;
_fileExistsDelegateUtf16 = null;
_isAbsolutePathDelegateUtf16 = null;
_toAbsolutePathDelegateUtf16 = null;
_readFileDelegateUtf16 = null;
}
else
{
_getCurrentDirectoryDelegateUtf8 = null;
_fileExistsDelegateUtf8 = null;
_isAbsolutePathDelegateUtf8 = null;
_toAbsolutePathDelegateUtf8 = null;
_readFileDelegateUtf8 = null;
}
}
public static void CompileFile(SassFileContext fileContext)
{
Sass_File_Context file_ctx = Sass_Api.sass_make_file_context(fileContext.InputPath);
Sass_Options file_ctx_options = Sass_Api.sass_file_context_get_options(file_ctx);
FillUnmanagedContextOptions(ref file_ctx_options, fileContext);
try
{
// Compile Sass file by using context
int result = Sass_Api.sass_compile_file_context(file_ctx);
// Copy resulting fields from unmanaged object to managed
Sass_Context base_ctx = Sass_Api.sass_file_context_get_context(file_ctx);
if (result == 0)
{
FillManagedContextOutput(fileContext, ref base_ctx);
}
else
{
FillManagedContextError(fileContext, ref base_ctx);
}
}
finally
{
// Free resources
Sass_Api.sass_delete_file_context(file_ctx);
}
}
public static void Compile(SassDataContext dataContext)
{
Sass_Data_Context data_ctx = Sass_Api.sass_make_data_context(dataContext.SourceString);
Sass_Options data_ctx_options = Sass_Api.sass_data_context_get_options(data_ctx);
FillUnmanagedContextOptions(ref data_ctx_options, dataContext);
try
{
// Compile Sass code by using context
int result = Sass_Api.sass_compile_data_context(data_ctx);
// Copy resulting fields from unmanaged object to managed
Sass_Context base_ctx = Sass_Api.sass_data_context_get_context(data_ctx);
if (result == 0)
{
FillManagedContextOutput(dataContext, ref base_ctx);
}
else
{
FillManagedContextError(dataContext, ref base_ctx);
}
}
finally
{
// Free resources
Sass_Api.sass_delete_data_context(data_ctx);
}
}
private static void FillManagedContextOutput(SassContextBase context, ref Sass_Context ctx)
{
context.OutputString = Sass_Api.sass_context_get_output_string(ctx);
context.SourceMapString = Sass_Api.sass_context_get_source_map_string(ctx);
context.IncludedFiles = MarshallingHelpers.PtrToStringArray(
Sass_Api.sass_context_get_included_files(ctx),
Sass_Api.sass_context_get_included_files_size(ctx)
);
}
private static unsafe IntPtr CharsToPtr(Encoding encoding, char *chars, int count)
{
int bufferLength = encoding.GetByteCount(chars, count);
IntPtr ptr = Sass_Api.sass_alloc_memory(bufferLength + 1);
var pBuffer = (byte *)ptr;
encoding.GetBytes(chars, count, pBuffer, bufferLength);
pBuffer[bufferLength] = 0;
return(ptr);
}
private static void FillManagedContextError(SassContextBase context, ref Sass_Context ctx)
{
var error = new SassErrorInfo
{
Status = Sass_Api.sass_context_get_error_status(ctx),
Text = Sass_Api.sass_context_get_error_text(ctx),
Message = Sass_Api.sass_context_get_error_message(ctx),
File = Sass_Api.sass_context_get_error_file(ctx),
Line = Sass_Api.sass_context_get_error_line(ctx),
Column = Sass_Api.sass_context_get_error_column(ctx),
Source = Sass_Api.sass_context_get_error_src(ctx)
};
context.Error = error;
}
public static void CompileFile(SassFileContext fileContext)
{
Sass_File_Context file_ctx = Sass_Api.sass_make_file_context(fileContext.InputPath);
Sass_Options file_ctx_options = Sass_Api.sass_file_context_get_options(file_ctx);
FillUnmanagedContextOptions(ref file_ctx_options, fileContext);
try
{
// Compile Sass-file by using context
int result = Sass_Api.sass_compile_file_context(file_ctx);
// Copy resulting fields from unmanaged object to managed
Sass_Context base_ctx = Sass_Api.sass_file_context_get_context(file_ctx);
if (result == 0)
{
FillManagedContextOutput(fileContext, ref base_ctx);
}
else
{
FillManagedContextError(fileContext, ref base_ctx);
}
}
catch (TargetInvocationException e)
{
Exception innerException = e.InnerException;
if (innerException != null)
{
#if NET45 || NETSTANDARD
ExceptionDispatchInfo.Capture(innerException).Throw();
#elif NET40
innerException.PreserveStackTrace();
throw innerException;
#else
#error No implementation for this target
#endif
}
throw;
}
finally
{
// Free resources
Sass_Api.sass_delete_file_context(file_ctx);
}
}
public static void SetFileManager(IFileManager fileManager)
{
if (fileManager != null)
{
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
_getCurrentDirectoryDelegateUtf16 = fileManager.GetCurrentDirectory;
_fileExistsDelegateUtf16 = fileManager.FileExists;
_isAbsolutePathDelegateUtf16 = fileManager.IsAbsolutePath;
_toAbsolutePathDelegateUtf16 = fileManager.ToAbsolutePath;
_readFileDelegateUtf16 = fileManager.ReadFile;
Sass_Api.sass_file_manager_set_get_current_directory_delegate_utf16(_getCurrentDirectoryDelegateUtf16);
Sass_Api.sass_file_manager_set_file_exists_delegate_utf16(_fileExistsDelegateUtf16);
Sass_Api.sass_file_manager_set_is_absolute_path_delegate_utf16(_isAbsolutePathDelegateUtf16);
Sass_Api.sass_file_manager_set_to_absolute_path_delegate_utf16(_toAbsolutePathDelegateUtf16);
Sass_Api.sass_file_manager_set_read_file_delegate_utf16(_readFileDelegateUtf16);
}
else
{
_getCurrentDirectoryDelegateUtf8 = fileManager.GetCurrentDirectory;
_fileExistsDelegateUtf8 = fileManager.FileExists;
_isAbsolutePathDelegateUtf8 = fileManager.IsAbsolutePath;
_toAbsolutePathDelegateUtf8 = fileManager.ToAbsolutePath;
_readFileDelegateUtf8 = fileManager.ReadFile;
Sass_Api.sass_file_manager_set_get_current_directory_delegate_utf8(_getCurrentDirectoryDelegateUtf8);
Sass_Api.sass_file_manager_set_file_exists_delegate_utf8(_fileExistsDelegateUtf8);
Sass_Api.sass_file_manager_set_is_absolute_path_delegate_utf8(_isAbsolutePathDelegateUtf8);
Sass_Api.sass_file_manager_set_to_absolute_path_delegate_utf8(_toAbsolutePathDelegateUtf8);
Sass_Api.sass_file_manager_set_read_file_delegate_utf8(_readFileDelegateUtf8);
}
Sass_Api.sass_file_manager_set_supports_conversion_to_absolute_path(
fileManager.SupportsConversionToAbsolutePath);
Sass_Api.sass_file_manager_set_is_initialized(true);
}
else
{
UnsetFileManager();
}
}
public static string GetLanguageVersion()
{
return(Sass_Api.libsass_language_version());
}
public static string GetVersion()
{
return(Sass_Api.libsass_version());
}
private static void FillManagedContextOutput(SassContextBase context, ref Sass_Context ctx)
{
context.OutputString = Sass_Api.sass_context_get_output_string(ctx);
context.SourceMapString = Sass_Api.sass_context_get_source_map_string(ctx);
context.IncludedFiles = Sass_Api.sass_context_get_included_files(ctx);
}