Implement file reloading

When for examplue using formatters or doing vc updates, it is useful
if the file is reloaded from disk.

1 files changed, 15 insertions, 4 deletions

diff --git a/src/dged/buffers.h b/src/dged/buffers.h
index edf772c..8add8d8 100644
--- a/src/dged/buffers.h
+++ b/src/dged/buffers.h
@@ -1,17 +1,28 @@
+#include "vec.h"
+
 #include <stdint.h>
 
 struct buffer;
 
+typedef void (*buffers_hook_cb)(struct buffer *buffer, void *userdata);
+
+struct buffers_hook {
+  buffers_hook_cb callback;
+  void *userdata;
+};
+
 struct buffers {
-  // TODO: more buffers
-  struct buffer *buffers;
-  uint32_t nbuffers;
-  uint32_t capacity;
+  VEC(struct buffer) buffers;
+  VEC(struct buffers_hook) add_hooks;
 };
 
 void buffers_init(struct buffers *buffers, uint32_t initial_capacity);
 
 struct buffer *buffers_add(struct buffers *buffers, struct buffer buffer);
 struct buffer *buffers_find(struct buffers *buffers, const char *name);
+struct buffer *buffers_find_by_filename(struct buffers *buffers, const char *path);
+
+uint32_t buffers_add_add_hook(struct buffers *buffers, buffers_hook_cb callback, void *userdata);
+uint32_t buffers_add_remove_hook(struct buffers *buffers, buffers_hook_cb callback, void *userdata);
 
 void buffers_destroy(struct buffers *buffers);