add Path::dir_entries()

src/lib/include/jes/Path.h

@@ -3,6 +3,7 @@
 
 #include "jes/Ref.h"
 #include <string>
+#include <vector>
 
 namespace jes
 {
@@ -15,6 +16,7 @@ namespace jes
         Path join(const Path & other);
         const std::string & to_s() { return m_path; }
         bool exists();
+        std::vector<std::string> dir_entries();
     protected:
         void clean();
         std::string m_path;

src/lib/src/Path.cc

@@ -2,6 +2,7 @@
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <unistd.h>
+#include <dirent.h>
 
 namespace jes
 {
@@ -55,6 +56,24 @@ namespace jes
         return stat(m_path.c_str(), &st) == 0;
     }
 
+    std::vector<std::string> Path::dir_entries()
+    {
+        std::vector<std::string> rv;
+        DIR * dir = opendir(m_path.c_str());
+        if (dir != NULL)
+        {
+            for (;;)
+            {
+                struct dirent * de = readdir(dir);
+                if (de == NULL)
+                    break;
+                rv.push_back(std::string(de->d_name));
+            }
+            closedir(dir);
+        }
+        return rv;
+    }
+
     void Path::clean()
     {
         for (char & c : m_path)

test/src/test_Path.cc

@@ -1,5 +1,6 @@
 #include "gtest/gtest.h"
 #include "jes/Path.h"
+#include <algorithm>
 
 using namespace jes;
 
@@ -44,3 +45,10 @@ TEST(PathTest, exists)
     EXPECT_TRUE(Path("runtime").exists());
     EXPECT_FALSE(Path("foobar").exists());
 }
+
+TEST(PathTest, dir_entries)
+{
+    auto dir_entries = Path(".").dir_entries();
+    EXPECT_TRUE(std::find(dir_entries.begin(), dir_entries.end(), "runtime") != dir_entries.end());
+    EXPECT_FALSE(std::find(dir_entries.begin(), dir_entries.end(), "foobar") != dir_entries.end());
+}