1 files changed, 65 insertions, 0 deletions
diff --git a/macro.c b/macro.c
new file mode 100644
index 0000000..14ec016
--- /dev/null
+++ b/macro.c
@@ -0,0 +1,65 @@
+#include "ted.h"
+
+static void macro_clear(Macro *macro) {
+	arr_foreach_ptr(macro->actions, Action, act) {
+		free((char *)act->argument.string);
+	}
+	arr_free(macro->actions);
+	
+	memset(macro, 0, sizeof *macro);
+}
+
+void macro_start_recording(Ted *ted, u32 index) {
+	if (index >= TED_MACRO_MAX) return;
+	if (ted->executing_macro) return;
+	if (ted->recording_macro) {
+		macro_stop_recording(ted);
+		return;
+	}
+	
+	command_execute(ted, CMD_CLEAR_SELECTION, 0);
+	
+	ted->recording_macro = &ted->macros[index];
+	macro_clear(ted->recording_macro);
+}
+
+void macro_stop_recording(Ted *ted) {
+	ted->recording_macro = NULL;
+}
+
+void macro_add(Ted *ted, Command command, CommandArgument argument) {
+	if (!ted->recording_macro) return;
+	if (command == CMD_MACRO_EXECUTE || command == CMD_MACRO_RECORD || command == CMD_MACRO_STOP)
+		return;
+	if (argument.string)
+		argument.string = str_dup(argument.string);
+	Action action = {
+		.command = command,
+		.argument = argument
+	};
+	arr_add(ted->recording_macro->actions, action);
+}
+
+void macro_execute(Ted *ted, u32 index) {
+	if (index >= TED_MACRO_MAX) return;
+	Macro *macro = &ted->macros[index];
+	if (ted->recording_macro == macro) {
+		// don't allow running a macro while it's being recorded
+		return;
+	}
+	
+	ted->executing_macro = true;
+	CommandContext context = {0};
+	context.from_macro = true;
+	arr_foreach_ptr(macro->actions, Action, act) {
+		command_execute_ex(ted, act->command, act->argument, context);
+	}
+	ted->executing_macro = false;
+}
+
+void macros_free(Ted *ted) {
+	for (int i = 0; i < TED_MACRO_MAX; ++i) {
+		Macro *macro = &ted->macros[i];
+		macro_clear(macro);
+	}
+}