Completion: dedicated completion header and basic filename completion

1 files changed, 34 insertions, 0 deletions

diff --git a/src/completion.cc b/src/completion.cc
new file mode 100644
index 00000000..a1eed12a
--- /dev/null
+++ b/src/completion.cc
@@ -0,0 +1,34 @@
+#include "completion.hh"
+
+#include "utils.hh"
+
+#include <dirent.h>
+
+namespace Kakoune
+{
+
+CandidateList complete_filename(const std::string& prefix)
+{
+    size_t dir_end = prefix.find_last_of('/');
+    std::string dirname = "./";
+    std::string fileprefix = prefix;
+
+    if (dir_end != std::string::npos)
+    {
+        dirname = prefix.substr(0, dir_end + 1);
+        fileprefix = prefix.substr(dir_end + 1, std::string::npos);
+    }
+
+    auto dir = auto_raii(opendir(dirname.c_str()), closedir);
+
+    CandidateList result;
+    while (dirent* entry = readdir(dir))
+    {
+        std::string filename = entry->d_name;
+        if (filename.substr(0, fileprefix.length()) == fileprefix)
+            result.push_back(filename);
+    }
+    return result;
+}
+
+}