add a cmake option to switch between std and boost filesystem

examples/book_server/main.cc

@@ -1,14 +1,11 @@
 #include <iostream>
 
-#include "boost/filesystem/operations.hpp"
-
+#include "webcc/fs.h"
 #include "webcc/logger.h"
 #include "webcc/server.h"
 
 #include "views.h"
 
-namespace bfs = boost::filesystem;
-
 int main(int argc, char* argv[]) {
   if (argc < 3) {
     std::cout << "usage: book_server <port> <upload_dir>" << std::endl;
@@ -21,16 +18,16 @@ int main(int argc, char* argv[]) {
 
   std::uint16_t port = static_cast<std::uint16_t>(std::atoi(argv[1]));
 
-  bfs::path upload_dir = argv[2];
-  if (!bfs::is_directory(upload_dir) || !bfs::exists(upload_dir)) {
+  webcc::fs::path upload_dir = argv[2];
+  if (!webcc::fs::is_directory(upload_dir) || !webcc::fs::exists(upload_dir)) {
     std::cerr << "Invalid upload dir!" << std::endl;
     return 1;
   }
 
   // Add a sub-dir for book photos.
-  bfs::path photo_dir = upload_dir / "books";
-  if (!bfs::exists(photo_dir)) {
-    bfs::create_directory(photo_dir);
+  webcc::fs::path photo_dir = upload_dir / "books";
+  if (!webcc::fs::exists(photo_dir)) {
+    webcc::fs::create_directory(photo_dir);
   }
 
   std::cout << "Book photos will be saved to: " << photo_dir << std::endl;

examples/book_server/views.cc

@@ -1,7 +1,5 @@
 #include "views.h"
 
-#include "boost/filesystem/operations.hpp"
-
 #include "json/json.h"
 
 #include "webcc/response_builder.h"
@@ -10,8 +8,6 @@
 #include "book_db.h"
 #include "book_json.h"
 
-namespace bfs = boost::filesystem;
-
 // -----------------------------------------------------------------------------
 
 static BookDB g_book_db;
@@ -57,7 +53,7 @@ webcc::ResponsePtr BookListView::Post(webcc::RequestPtr request) {
 
 // -----------------------------------------------------------------------------
 
-BookDetailView::BookDetailView(bfs::path photo_dir)
+BookDetailView::BookDetailView(webcc::fs::path photo_dir)
     : photo_dir_(std::move(photo_dir)) {
 }
 
@@ -125,8 +121,8 @@ webcc::ResponsePtr BookDetailView::Delete(webcc::RequestPtr request) {
 
   // Delete the photo from file system.
   if (!photo_name.empty()) {
-    boost::system::error_code ec;
-    bfs::remove(photo_dir_ / photo_name, ec);
+    webcc::fs::error_code ec;
+    webcc::fs::remove(photo_dir_ / photo_name, ec);
   }
 
   return webcc::ResponseBuilder{}.OK()();
@@ -134,7 +130,7 @@ webcc::ResponsePtr BookDetailView::Delete(webcc::RequestPtr request) {
 
 // -----------------------------------------------------------------------------
 
-BookPhotoView::BookPhotoView(bfs::path photo_dir)
+BookPhotoView::BookPhotoView(webcc::fs::path photo_dir)
     : photo_dir_(std::move(photo_dir)) {
 }
 
@@ -164,8 +160,8 @@ webcc::ResponsePtr BookPhotoView::Get(webcc::RequestPtr request) {
     return webcc::ResponseBuilder{}.NotFound()();
   }
 
-  bfs::path photo_path = photo_dir_ / book.photo;
-  if (!bfs::exists(photo_path)) {
+  webcc::fs::path photo_path = photo_dir_ / book.photo;
+  if (!webcc::fs::exists(photo_path)) {
     return webcc::ResponseBuilder{}.NotFound()();
   }
 
@@ -219,8 +215,8 @@ webcc::ResponsePtr BookPhotoView::Delete(webcc::RequestPtr request) {
   }
 
   // Error handling is simplified.
-  boost::system::error_code ec;
-  bfs::remove(photo_dir_ / book.photo, ec);
+  webcc::fs::error_code ec;
+  webcc::fs::remove(photo_dir_ / book.photo, ec);
 
   return webcc::ResponseBuilder{}.OK()();
 }

examples/book_server/views.h

@@ -1,8 +1,7 @@
 #ifndef VIEWS_H_
 #define VIEWS_H_
 
-#include "boost/filesystem/path.hpp"
-
+#include "webcc/fs.h"
 #include "webcc/view.h"
 
 // -----------------------------------------------------------------------------
@@ -25,7 +24,7 @@ private:
 // URL: /books/{id}
 class BookDetailView : public webcc::View {
 public:
-  explicit BookDetailView(boost::filesystem::path photo_dir);
+  explicit BookDetailView(webcc::fs::path photo_dir);
 
   webcc::ResponsePtr Handle(webcc::RequestPtr request) override;
 
@@ -40,7 +39,7 @@ private:
   webcc::ResponsePtr Delete(webcc::RequestPtr request);
 
 private:
-  boost::filesystem::path photo_dir_;
+  webcc::fs::path photo_dir_;
 };
 
 // -----------------------------------------------------------------------------
@@ -48,7 +47,7 @@ private:
 // URL: /books/{id}/photo
 class BookPhotoView : public webcc::View {
 public:
-  explicit BookPhotoView(boost::filesystem::path photo_dir);
+  explicit BookPhotoView(webcc::fs::path photo_dir);
 
   webcc::ResponsePtr Handle(webcc::RequestPtr request) override;
 
@@ -68,7 +67,7 @@ private:
   webcc::ResponsePtr Delete(webcc::RequestPtr request);
 
 private:
-  boost::filesystem::path photo_dir_;
+  webcc::fs::path photo_dir_;
 };
 
 #endif  // VIEWS_H_