1 files changed, 142 insertions, 0 deletions
diff --git a/cshared/tree_cshared.go b/cshared/tree_cshared.go
new file mode 100644
index 0000000..0d4191c
--- /dev/null
+++ b/cshared/tree_cshared.go
@@ -0,0 +1,142 @@
+// +build ignore
+package main
+
+import (
+	"C"
+
+	"gopkg.in/src-d/go-git.v3"
+	"gopkg.in/src-d/go-git.v3/core"
+)
+
+//export c_Tree_get_Entries_len
+func c_Tree_get_Entries_len(t uint64) int {
+	obj, ok := GetObject(Handle(t))
+	if !ok {
+		return 0
+	}
+	tree := obj.(*git.Tree)
+	return len(tree.Entries)
+}
+
+//export c_Tree_get_Entries_item
+func c_Tree_get_Entries_item(t uint64, index int) (*C.char, uint32, *C.char) {
+	obj, ok := GetObject(Handle(t))
+	if !ok {
+		return nil, 0, nil
+	}
+	tree := obj.(*git.Tree)
+	item := tree.Entries[index]
+	return C.CString(item.Name), uint32(item.Mode), CBytes(item.Hash[:])
+}
+
+//export c_Tree_get_Hash
+func c_Tree_get_Hash(t uint64) *C.char {
+	obj, ok := GetObject(Handle(t))
+	if !ok {
+		return nil
+	}
+	tree := obj.(*git.Tree)
+	return CBytes(tree.Hash[:])
+}
+
+func c_Tree_File(t uint64, path string) (uint64, int, *C.char) {
+	obj, ok := GetObject(Handle(t))
+	if !ok {
+		return IH, ErrorCodeNotFound, C.CString(MessageNotFound)
+	}
+	tree := obj.(*git.Tree)
+	file, err := tree.File(CopyString(path))
+	if err != nil {
+		return IH, ErrorCodeInternal, C.CString(err.Error())
+	}
+	return uint64(RegisterObject(file)), ErrorCodeSuccess, nil
+}
+
+//export c_Tree_Type
+func c_Tree_Type(t uint64) int8 {
+	obj, ok := GetObject(Handle(t))
+	if !ok {
+		return -1
+	}
+	tree := obj.(*git.Tree)
+	return int8(tree.Type())
+}
+
+//export c_Tree_Files
+func c_Tree_Files(t uint64) uint64 {
+	obj, ok := GetObject(Handle(t))
+	if !ok {
+		return IH
+	}
+	tree := obj.(*git.Tree)
+	iter := tree.Files()
+	return uint64(RegisterObject(iter))
+}
+
+//export c_Tree_Decode
+func c_Tree_Decode(o uint64) (uint64, int, *C.char) {
+	obj, ok := GetObject(Handle(o))
+	if !ok {
+		return IH, ErrorCodeNotFound, C.CString(MessageNotFound)
+	}
+	cobj := obj.(*core.Object)
+	tree := git.Tree{}
+	err := tree.Decode(*cobj)
+	if err != nil {
+		return IH, ErrorCodeInternal, C.CString(err.Error())
+	}
+	return uint64(RegisterObject(&tree)), ErrorCodeSuccess, nil
+}
+
+//export c_NewTreeWalker
+func c_NewTreeWalker(r uint64, t uint64) uint64 {
+	obj, ok := GetObject(Handle(r))
+	if !ok {
+		return IH
+	}
+	repo := obj.(*git.Repository)
+	obj, ok = GetObject(Handle(t))
+	if !ok {
+		return IH
+	}
+	tree := obj.(*git.Tree)
+	walker := git.NewTreeWalker(repo, tree)
+	return uint64(RegisterObject(walker))
+}
+
+//export c_TreeWalker_Next
+func c_TreeWalker_Next(tw uint64) (*C.char, *C.char, uint32, *C.char,
+                                   uint64, int, *C.char) {
+	obj, ok := GetObject(Handle(tw))
+	if !ok {
+		return nil, nil, 0, nil, IH, ErrorCodeNotFound, C.CString(MessageNotFound)
+	}
+	walker := obj.(*git.TreeWalker)
+	name, entry, object, err := walker.Next()
+	if err != nil {
+		return nil, nil, 0, nil, IH, ErrorCodeInternal, C.CString(err.Error())
+	}
+	return C.CString(name), C.CString(entry.Name), uint32(entry.Mode),
+	       CBytes(entry.Hash[:]), uint64(RegisterObject(&object)),
+	       ErrorCodeSuccess, nil
+}
+
+//export c_TreeWalker_Tree
+func c_TreeWalker_Tree(tw uint64) uint64 {
+	obj, ok := GetObject(Handle(tw))
+	if !ok {
+		return IH
+	}
+	walker := obj.(*git.TreeWalker)
+	return uint64(RegisterObject(walker.Tree()))
+}
+
+//export c_TreeWalker_Close
+func c_TreeWalker_Close(tw uint64) {
+	obj, ok := GetObject(Handle(tw))
+	if !ok {
+		return
+	}
+	walker := obj.(*git.TreeWalker)
+	walker.Close()
+}
+\ No newline at end of file