public GeneratorResults GenerateCode(string rootRelativePath, Stream inputStream)
{
StreamReader sr = new StreamReader(inputStream);
var className = MainClassNamePrefix + ParserHelpers.SanitizeClassName(rootRelativePath);
var engine = new RazorTemplateEngine(_host);
return engine.GenerateCode(GenerateStreamFromString(MinifyChunk(sr.ReadToEnd())), className, DefaultNamespace, rootRelativePath);
}
public GeneratorResults Generate(Type modelType,string template)
{
//准备临时类名，读取模板文件和Razor代码生成器
string templateType = "YOYO.AspNetCore.ViewEngine.Razor.RazorViewTemplate";
string templateTypeName = modelType != null ? string.Format(templateType + @"<{0}>", modelType.FullName) : templateType;
var class_name = "c" + Guid.NewGuid().ToString("N");
var host = new RazorEngineHost(new CSharpRazorCodeLanguage(), () => new HtmlMarkupParser())
{
DefaultBaseClass = templateTypeName,
DefaultClassName = class_name,
DefaultNamespace = "YOYO.AspNetCore.ViewEngine.Razor",
GeneratedClassContext =
new GeneratedClassContext("Execute", "Write", "WriteLiteral", "WriteTo",
"WriteLiteralTo",
"RazorViewTemplate.Dynamic", new GeneratedTagHelperContext())
};
host.NamespaceImports.Add("System");
host.NamespaceImports.Add("System.Dynamic");
host.NamespaceImports.Add("System.Linq");
host.NamespaceImports.Add("System.Collections.Generic");
var engine = new RazorTemplateEngine(host);
return engine.GenerateCode(new StringReader(template)); ;
}
private static void GenerateCodeFile(string file, string @namespace, int iterations)
{
var basePath = Path.GetDirectoryName(file);
var fileName = Path.GetFileName(file);
var fileNameNoExtension = Path.GetFileNameWithoutExtension(fileName);
var codeLang = new CSharpRazorCodeLanguage();
var host = new MvcRazorHost(new DefaultChunkTreeCache(new PhysicalFileProvider(basePath)));
var engine = new RazorTemplateEngine(host);
Console.WriteLine("Press the ANY key to start.");
Console.ReadLine();
Console.WriteLine($"Starting Code Generation: {file}");
var timer = Stopwatch.StartNew();
for (var i = 0; i < iterations; i++)
{
using (var fileStream = File.OpenText(file))
{
var code = engine.GenerateCode(
input: fileStream,
className: fileNameNoExtension,
rootNamespace: Path.GetFileName(@namespace),
sourceFileName: fileName);
}
Console.WriteLine("Completed iteration: " + (i + 1));
}
Console.WriteLine($"Completed after {timer.Elapsed}");
}
/// <summary>
/// Gets an ordered <see cref="IReadOnlyList{ChunkTreeResult}"/> of parsed <see cref="ChunkTree"/>s and
/// file paths for each <c>_ViewImports</c> that is applicable to the page located at
/// <paramref name="pagePath"/>. The list is ordered so that the <see cref="ChunkTreeResult"/>'s
/// <see cref="ChunkTreeResult.ChunkTree"/> for the <c>_ViewImports</c> closest to the
/// <paramref name="pagePath"/> in the file system appears first.
/// </summary>
/// <param name="pagePath">The path of the page to locate inherited chunks for.</param>
/// <returns>A <see cref="IReadOnlyList{ChunkTreeResult}"/> of parsed <c>_ViewImports</c>
/// <see cref="ChunkTree"/>s and their file paths.</returns>
/// <remarks>
/// The resulting <see cref="IReadOnlyList{ChunkTreeResult}"/> is ordered so that the result
/// for a _ViewImport closest to the application root appears first and the _ViewImport
/// closest to the page appears last i.e.
/// [ /_ViewImport, /Views/_ViewImport, /Views/Home/_ViewImport ]
/// </remarks>
public virtual IReadOnlyList<ChunkTreeResult> GetInheritedChunkTreeResults(string pagePath)
{
if (pagePath == null)
{
throw new ArgumentNullException(nameof(pagePath));
}
var inheritedChunkTreeResults = new List<ChunkTreeResult>();
var templateEngine = new RazorTemplateEngine(_razorHost);
foreach (var viewImportsPath in ViewHierarchyUtility.GetViewImportsLocations(pagePath))
{
// viewImportsPath contains the app-relative path of the _ViewImports.
// Since the parsing of a _ViewImports would cause parent _ViewImports to be parsed
// we need to ensure the paths are app-relative to allow the GetGlobalFileLocations
// for the current _ViewImports to succeed.
var chunkTree = _chunkTreeCache.GetOrAdd(
viewImportsPath,
fileInfo => ParseViewFile(
templateEngine,
fileInfo,
viewImportsPath));
if (chunkTree != null)
{
var result = new ChunkTreeResult(chunkTree, viewImportsPath);
inheritedChunkTreeResults.Insert(0, result);
}
}
return inheritedChunkTreeResults;
}
private static ChunkTree ParseViewFile(
RazorTemplateEngine engine,
IFileInfo fileInfo,
string viewImportsPath)
{
using (var stream = fileInfo.CreateReadStream())
{
using (var streamReader = new StreamReader(stream))
{
var parseResults = engine.ParseTemplate(streamReader, viewImportsPath);
var className = ParserHelpers.SanitizeClassName(fileInfo.Name);
var language = engine.Host.CodeLanguage;
var chunkGenerator = language.CreateChunkGenerator(
className,
engine.Host.DefaultNamespace,
viewImportsPath,
engine.Host);
chunkGenerator.Visit(parseResults);
// Rewrite the location of inherited chunks so they point to the global import file.
var chunkTree = chunkGenerator.Context.ChunkTreeBuilder.Root;
foreach (var chunk in chunkTree.Children)
{
chunk.Start = new SourceLocation(
viewImportsPath,
chunk.Start.AbsoluteIndex,
chunk.Start.LineIndex,
chunk.Start.CharacterIndex);
}
return chunkTree;
}
}
}
/// <inheritdoc />
public GeneratorResults GenerateCode(string rootRelativePath, Stream inputStream)
{
var className = ParserHelpers.SanitizeClassName(rootRelativePath);
var engine = new RazorTemplateEngine(this);
return engine.GenerateCode(inputStream, className, DefaultNamespace, rootRelativePath);
}
