ContentManager / Filesystem classes as preparation for a SimpleBlog.

Signed-off-by: Toni Uhlig <matzeton@googlemail.com>

1 files changed, 61 insertions, 0 deletions

diff --git a/src/Filesystem.cpp b/src/Filesystem.cpp
new file mode 100644
index 0000000..18b8725
--- /dev/null
+++ b/src/Filesystem.cpp
@@ -0,0 +1,61 @@
+#include "Filesystem.hpp"
+
+#include <cstring>
+#include <filesystem>
+#include <fstream>
+#include <iostream>
+
+static std::string make_path_relative(std::string &path, std::string &root) {
+  return std::filesystem::relative(path, root);
+}
+
+bool Filesystem::AddSingleFile(std::string path, std::string root) {
+  std::ifstream ifs(path, std::ios::binary | std::ios::ate);
+
+  if (!ifs) {
+    return false;
+  }
+
+  auto end = ifs.tellg();
+  if (end <= 0) {
+    return false;
+  }
+  if (!ifs.seekg(0, std::ios::beg)) {
+    return false;
+  }
+
+  auto size = std::size_t(end - ifs.tellg());
+
+  if (size == 0) {
+    return false;
+  }
+
+  struct file_data fd = {};
+  try {
+    fd.data.reserve(size);
+  } catch (const std::exception &e) {
+    return false;
+  }
+
+  if (!ifs.read((char *)fd.data.data(), fd.data.size())) {
+    return false;
+  }
+
+  std::string relpath = make_path_relative(path, root);
+  if (files.count(relpath) > 0) {
+    std::cout << "Adding file: " << path << " and overwriting " << relpath
+              << std::endl;
+  } else {
+    std::cout << "Adding file: " << path << " as " << relpath << std::endl;
+  }
+  files[relpath] = fd;
+
+  return true;
+}
+
+bool Filesystem::Scan(std::string root) {
+  for (const auto &entry : std::filesystem::directory_iterator(root)) {
+    AddSingleFile(entry.path(), root);
+  }
+  return true;
+}