Merge #6247 'api: nvim_get_mode()'

1 files changed, 49 insertions, 0 deletions

diff --git a/src/nvim/state.c b/src/nvim/state.c
index 210708c3f4..be6aa21664 100644
--- a/src/nvim/state.c
+++ b/src/nvim/state.c
@@ -98,3 +98,52 @@ int get_real_state(void)
   return State;
 }
 
+/// @returns[allocated] mode string
+char *get_mode(void)
+{
+  char *buf = xcalloc(3, sizeof(char));
+
+  if (VIsual_active) {
+    if (VIsual_select) {
+      buf[0] = (char)(VIsual_mode + 's' - 'v');
+    } else {
+      buf[0] = (char)VIsual_mode;
+    }
+  } else if (State == HITRETURN || State == ASKMORE || State == SETWSIZE
+             || State == CONFIRM) {
+    buf[0] = 'r';
+    if (State == ASKMORE) {
+      buf[1] = 'm';
+    } else if (State == CONFIRM) {
+      buf[1] = '?';
+    }
+  } else if (State == EXTERNCMD) {
+    buf[0] = '!';
+  } else if (State & INSERT) {
+    if (State & VREPLACE_FLAG) {
+      buf[0] = 'R';
+      buf[1] = 'v';
+    } else if (State & REPLACE_FLAG) {
+      buf[0] = 'R';
+    } else {
+      buf[0] = 'i';
+    }
+  } else if (State & CMDLINE) {
+    buf[0] = 'c';
+    if (exmode_active) {
+      buf[1] = 'v';
+    }
+  } else if (exmode_active) {
+    buf[0] = 'c';
+    buf[1] = 'e';
+  } else if (State & TERM_FOCUS) {
+    buf[0] = 't';
+  } else {
+    buf[0] = 'n';
+    if (finish_op) {
+      buf[1] = 'o';
+    }
+  }
+
+  return buf;
+}