plugins/console: command history (nw)

3rdparty/linenoise/linenoise.c

@@ -135,7 +135,7 @@
 #include "linenoise.h"
 #include "utf8.h"
 
-#define LINENOISE_DEFAULT_HISTORY_MAX_LEN 100
+#define LINENOISE_DEFAULT_HISTORY_MAX_LEN 200
 #define LINENOISE_MAX_LINE 4096
 
 #define ctrl(C) ((C) - '@')

3rdparty/lua-linenoise/linenoise.c

@@ -175,12 +175,26 @@ static int l_refresh(lua_State *L)
     return handle_ln_ok(L);
 }
 
+static int l_historyget(lua_State *L)
+{
+    int len, i;
+    char **history = linenoiseHistory(&len);
+    lua_newtable(L);
+    for(i = 0; i < len; i++)
+    {
+        lua_pushstring(L, history[i]);
+        lua_rawseti(L, -2, i + 1);
+    }
+    return 1;
+}
+
 luaL_Reg linenoise_funcs[] = {
     { "linenoise", l_linenoise },
     { "historyadd", l_historyadd },
     { "historysetmaxlen", l_historysetmaxlen },
     { "historysave", l_historysave },
     { "historyload", l_historyload },
+    { "historyget", l_historyget },
     { "clearscreen", l_clearscreen },
     { "setcompletion", l_setcompletion},
     { "addcompletion", l_addcompletion },

plugins/console/init.lua

@@ -18,6 +18,16 @@ function console.startplugin()
 	local matches = {}
 	local lastindex = 0
 	local consolebuf
+	_G.history = function (index)
+		local history = ln.historyget()
+		if index then
+			ln.preload(history[index])
+			return
+		end
+		for num, line in ipairs(history) do
+			print(num, line)
+		end
+	end
 	print("    _/      _/    _/_/    _/      _/  _/_/_/_/");
 	print("   _/_/  _/_/  _/    _/  _/_/  _/_/  _/       ");
 	print("  _/  _/  _/  _/_/_/_/  _/  _/  _/  _/_/_/    ");
@@ -28,7 +38,7 @@ function console.startplugin()
 	-- linenoise isn't thread safe but that means history can handled here
 	-- that also means that bad things will happen if anything outside lua tries to use it
 	-- especially the completion callback
-	ln.historysetmaxlen(10)
+	ln.historysetmaxlen(50)
 	local scr = [[
 local ln = require('linenoise')
 ln.setcompletion(function(c, str, pos)