--- /dev/null
+/**
+ * Copyright (c) 2017 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+/**
+ * Internal states of EscapeSequenceParser.
+ */
+export const enum ParserState {
+ GROUND = 0,
+ ESCAPE = 1,
+ ESCAPE_INTERMEDIATE = 2,
+ CSI_ENTRY = 3,
+ CSI_PARAM = 4,
+ CSI_INTERMEDIATE = 5,
+ CSI_IGNORE = 6,
+ SOS_PM_APC_STRING = 7,
+ OSC_STRING = 8,
+ DCS_ENTRY = 9,
+ DCS_PARAM = 10,
+ DCS_IGNORE = 11,
+ DCS_INTERMEDIATE = 12,
+ DCS_PASSTHROUGH = 13
+}
+
+/**
+* Internal actions of EscapeSequenceParser.
+*/
+export const enum ParserAction {
+ IGNORE = 0,
+ ERROR = 1,
+ PRINT = 2,
+ EXECUTE = 3,
+ OSC_START = 4,
+ OSC_PUT = 5,
+ OSC_END = 6,
+ CSI_DISPATCH = 7,
+ PARAM = 8,
+ COLLECT = 9,
+ ESC_DISPATCH = 10,
+ CLEAR = 11,
+ DCS_HOOK = 12,
+ DCS_PUT = 13,
+ DCS_UNHOOK = 14
+}
+
+/**
+ * Internal states of OscParser.
+ */
+export const enum OscState {
+ START = 0,
+ ID = 1,
+ PAYLOAD = 2,
+ ABORT = 3
+}
+
+// payload limit for OSC and DCS
+export const PAYLOAD_LIMIT = 10000000;