public static FilePathCombiner GenerateAccessorFilePath(DbContextAccessorBase accessor,
string extension, string basePath = null, Type designTimeType = null)
{
accessor.NotNull(nameof(accessor));
extension.NotEmpty(nameof(extension));
var filePath = new FilePathCombiner(GetAccessorFileName(), basePath);
filePath.CreateDirectory();
return(filePath);
// GetAccessorFileName
string GetAccessorFileName()
{
var connector = DataSettings.Preference.AccessorIsolateableStringConnector;
var builder = new StringBuilder();
AppendAccessorIsolateableString(accessor, builder, connector, designTimeType);
builder.Append(extension);
return(builder.ToString());
}
}
public CaptchaService(DrawingBuilderDependency dependency, ILoggerFactory loggerFactory)
: base(dependency?.Options, loggerFactory)
{
Dependency = dependency;
_fontFilePath = Options.Captcha.Font.FilePath
.ChangeBasePathIfEmpty(dependency.ResourceDirectory);
}
public SecurityTokenKeyRing(IMemoryCache memoryCache,
IClockService clock, CoreBuilderDependency dependency)
{
_memoryCache = memoryCache.NotNull(nameof(memoryCache));
_clock = clock.NotNull(nameof(clock));
_keysFilePath = CoreSettings.Preference.SecurityTokenKeyRingFilePath
.ChangeBasePathIfEmpty(dependency?.TokensDirectory);
}
public WatermarkService(DrawingBuilderDependency dependency, ILoggerFactory loggerFactory)
: base(dependency?.Options, loggerFactory)
{
Dependency = dependency;
_watermarkImagePath = Options.Watermark.ImagePath
.ChangeBasePathIfEmpty(dependency.ResourceDirectory);
_fontFilePath = Options.Watermark.Font.FilePath
.ChangeBasePathIfEmpty(dependency.ResourceDirectory);
}
/// <summary>
/// 生成访问器（持久化）键名（借助访问器文件路径组合器支持访问器、设计时、连接字符串、租户隔离）。
/// </summary>
/// <param name="invokeTypeName">给定的调用类型名称。</param>
/// <param name="accessorFilePath">给定的访问器（持久化）文件路径组合器。</param>
/// <returns>返回字符串。</returns>
public static string GenerateAccessorKey(string invokeTypeName,
FilePathCombiner accessorFilePath)
{
invokeTypeName.NotNull(nameof(invokeTypeName));
accessorFilePath.NotNull(nameof(accessorFilePath));
var sb = new StringBuilder();
sb.Append(invokeTypeName);
sb.Append(';');
// 访问器文件路径组合器已作有效隔离
sb.Append(accessorFilePath);
return(sb.ToString());
}
public static FilePathCombiner CompileInFile(FilePathCombiner assemblyPath, IEnumerable <MetadataReference> references,
params string[] sourceCodes)
{
assemblyPath.NotNull(nameof(assemblyPath));
var syntaxTrees = sourceCodes.Select(s => SyntaxFactory.ParseSyntaxTree(s));
var compileOptions = new CSharpCompilationOptions(OutputKind.DynamicallyLinkedLibrary);
var compilation = CSharpCompilation.Create(assemblyPath.FileName, syntaxTrees, references, compileOptions);
using (var stream = File.OpenWrite(assemblyPath))
{
var result = compilation.Emit(stream);
if (!result.Success)
{
throw new InvalidOperationException($"Build failed. Diagnostics: {string.Join(Environment.NewLine, result.Diagnostics)}");
}
}
return(assemblyPath);
}
/// <summary>
/// 生成访问器（持久化）键名（借助访问器文件路径组合器支持访问器、设计时、连接字符串、租户隔离）。
/// </summary>
/// <param name="invokeType">给定的调用类型。</param>
/// <param name="accessorFilePath">给定的访问器（持久化）文件路径组合器。</param>
/// <returns>返回字符串。</returns>
public static string GenerateAccessorKey(Type invokeType,
FilePathCombiner accessorFilePath)
=> GenerateAccessorKey(invokeType.GetDisplayName(true), accessorFilePath);
private static string GetCacheKey(FilePathCombiner filePath) => DbContextAccessorHelper.GenerateAccessorKey(nameof(MigrationCommandExecutionValidator), filePath);
/// <summary>
/// 从文件中反编译为程序集。
/// </summary>
/// <param name="assemblyPath">给定的 <see cref="FilePathCombiner"/>。</param>
/// <returns>返回 <see cref="Assembly"/>。</returns>
public static Assembly DecompileFromFile(FilePathCombiner assemblyPath)
{
var buffer = File.ReadAllBytes(assemblyPath);
return(Assembly.Load(buffer));
}
public static FilePathCombiner CompileInFile(DbContextAccessorBase accessor,
IModel model, DataBuilderOptions options, FilePathCombiner filePath)
{
accessor.NotNull(nameof(accessor));
model.NotNull(nameof(model));
var accessorType = accessor.GetType();
var typeName = GenerateTypeName(accessorType);
var generator = accessor.GetService <IMigrationsCodeGenerator>();
var sourceCode = generator.GenerateSnapshot(typeName.Namespace, accessorType,
typeName.Name, model);
var references = GetMetadataReferences(options, accessorType);
return(CSharpCompiler.CompileInFile(filePath, references, sourceCode));
}
