[clang-tools-extra] [clang-doc] Add --asset option to clang-doc (PR #94717)

[Paul Kirth via cfe-commits]

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@@ -131,12 +137,55 @@ std::string GetExecutablePath(const char *Argv0, void *MainAddr) {
   return llvm::sys::fs::getMainExecutable(Argv0, MainAddr);
 }
 
+void GetAssetFiles(clang::doc::ClangDocContext &CDCtx) {
+  std::error_code Code;
+  for (auto DirIt = llvm::sys::fs::directory_iterator(
+                std::string(UserAssetPath), Code),
+            dir_end = llvm::sys::fs::directory_iterator();
+       !Code && DirIt != dir_end; DirIt.increment(Code)) {
+    llvm::SmallString<128> filePath = llvm::SmallString<128>(DirIt->path());
+    if (llvm::sys::fs::is_regular_file(filePath)) {
+      if (filePath.ends_with(".css")) {
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ilovepi wrote:

Prefer `llvm::sys::path::extension` over your own function. The code listing above in `HeaderSearch.cpp` uses that, so you can follow that example.

https://github.com/llvm/llvm-project/pull/94717