From 779bb1654d20af6139f17bdaf9a38bcb75d20965 Mon Sep 17 00:00:00 2001
From: Robin Haberkorn <robin.haberkorn@googlemail.com>
Date: Thu, 8 Nov 2012 04:39:28 +0100
Subject: EX command

---
 cmdline.cpp |  8 +++++++-
 parser.cpp  | 23 +++++++++++++++++++++++
 parser.h    |  9 +++++++++
 sciteco.h   |  1 +
 4 files changed, 40 insertions(+), 1 deletion(-)

diff --git a/cmdline.cpp b/cmdline.cpp
index b9c58a0..152adc5 100644
--- a/cmdline.cpp
+++ b/cmdline.cpp
@@ -1,4 +1,5 @@
 #include <string.h>
+#include <stdlib.h>
 
 #include <glib.h>
 #include <glib/gprintf.h>
@@ -13,6 +14,8 @@ static gchar *macro_echo(const gchar *macro, const gchar *prefix = "");
 
 gchar *cmdline = NULL;
 
+bool quit_requested = false;
+
 void
 cmdline_keypress(gchar key)
 {
@@ -73,7 +76,10 @@ process_edit_cmd(gchar key)
 
 	case '\x1B':
 		if (cmdline && cmdline[cmdline_len - 1] == '\x1B') {
-			/* TODO: exit if previously requested */
+			if (quit_requested) {
+				/* FIXME */
+				exit(EXIT_SUCCESS);
+			}
 
 			undo.clear();
 			goto_table_clear();
diff --git a/parser.cpp b/parser.cpp
index df87b32..61e1398 100644
--- a/parser.cpp
+++ b/parser.cpp
@@ -169,6 +169,7 @@ StateStart::StateStart() : State()
 
 	transitions['!'] = &states.label;
 	transitions['^'] = &states.control;
+	transitions['E'] = &states.ecommand;
 	transitions['I'] = &states.insert;
 }
 
@@ -552,6 +553,28 @@ StateControl::custom(gchar chr)
 	return &states.start;
 }
 
+StateECommand::StateECommand() : State()
+{
+	transitions['\0'] = this;
+}
+
+State *
+StateECommand::custom(gchar chr)
+{
+	switch (g_ascii_toupper(chr)) {
+	case 'X':
+		BEGIN_EXEC(&states.start);
+		undo.push_var<bool>(quit_requested);
+		quit_requested = true;
+		break;
+
+	default:
+		return NULL;
+	}
+
+	return &states.start;
+}
+
 /*
  * NOTE: cannot support VideoTECO's <n>I because
  * beginning and end of strings must be determined
diff --git a/parser.h b/parser.h
index 2798469..edcece7 100644
--- a/parser.h
+++ b/parser.h
@@ -76,6 +76,14 @@ private:
 	State *custom(gchar chr);
 };
 
+class StateECommand : public State {
+public:
+	StateECommand();
+
+private:
+	State *custom(gchar chr);
+};
+
 class StateInsert : public StateExpectString {
 private:
 	void initial(void);
@@ -91,6 +99,7 @@ extern struct States {
 	StateStart	start;
 	StateLabel	label;
 	StateControl	control;
+	StateECommand	ecommand;
 	StateInsert	insert;
 } states;
 
diff --git a/sciteco.h b/sciteco.h
index 88b41cc..e35ce92 100644
--- a/sciteco.h
+++ b/sciteco.h
@@ -9,6 +9,7 @@
 #include <Scintilla.h>
 
 extern gchar *cmdline;
+extern bool quit_requested;
 
 void message_display(GtkMessageType type,
 		     const gchar *fmt, ...) G_GNUC_PRINTF(2, 3);
-- 
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