Implement resolve_path

1 files changed, 16 insertions, 2 deletions

diff --git a/kernel/src/filesystem/dentry.cpp b/kernel/src/filesystem/dentry.cpp
index e498b52..76949f2 100644
--- a/kernel/src/filesystem/dentry.cpp
+++ b/kernel/src/filesystem/dentry.cpp
@@ -6,12 +6,15 @@
 
 #include <kstd/memory>
 
+#include <algorithm>
 #include <cstdint>
+#include <string_view>
 
 namespace filesystem
 {
-  dentry::dentry(kstd::shared_ptr<dentry> const & parent, kstd::shared_ptr<inode> const & node)
-      : m_parent(parent)
+  dentry::dentry(kstd::shared_ptr<dentry> const & parent, kstd::shared_ptr<inode> const & node, std::string_view name)
+      : m_name(name)
+      , m_parent(parent)
       , m_inode(node)
   {
     if (!m_inode)
@@ -30,6 +33,17 @@ namespace filesystem
     return m_parent;
   }
 
+  auto dentry::add_child(kstd::shared_ptr<dentry> const & child) -> void
+  {
+    m_children.push_back(child);
+  }
+
+  auto dentry::find_child(std::string_view name) const -> kstd::shared_ptr<dentry>
+  {
+    auto it = std::ranges::find_if(m_children, [&](auto const & child) { return child->m_name == name; });
+    return (it != m_children.end()) ? *it : nullptr;
+  }
+
   auto dentry::set_flag(dentry_flags flag) -> void
   {
     m_flags |= static_cast<uint32_t>(flag);