From 3db5b1a40bf6b503b26827355f40033b1047a123 Mon Sep 17 00:00:00 2001
From: Robin Haberkorn <robin.haberkorn@googlemail.com>
Date: Mon, 19 Nov 2012 21:02:23 +0100
Subject: disable ^U string building characters (by default)

some method to reenable it will be developed in the future (perhaps using a separate command, or a special modifier which reverses a string commands default handling of building character)
---
 parser.cpp | 30 +++++++++++++++++-------------
 parser.h   |  5 ++++-
 qbuffers.h |  2 ++
 teco.ini   | 10 +++++-----
 4 files changed, 28 insertions(+), 19 deletions(-)

diff --git a/parser.cpp b/parser.cpp
index 4ba029b..b75e3bf 100644
--- a/parser.cpp
+++ b/parser.cpp
@@ -247,7 +247,7 @@ original:
 State *
 StateExpectString::custom(gchar chr) throw (Error)
 {
-	gchar *insert, *new_str;
+	gchar *insert;
 
 	if (chr == '\0') {
 		BEGIN_EXEC(this);
@@ -275,13 +275,15 @@ StateExpectString::custom(gchar chr) throw (Error)
 		State *next = done(string ? : "");
 		g_free(string);
 
-		undo.push_var<gchar>(escape_char);
+		undo.push_var(escape_char);
 		escape_char = '\x1B';
 
-		undo.push_var<Machine>(machine);
-		machine.state = Machine::STATE_START;
-		machine.mode = Machine::MODE_NORMAL;
-		machine.toctl = false;
+		if (string_building) {
+			undo.push_var(machine);
+			machine.state = Machine::STATE_START;
+			machine.mode = Machine::MODE_NORMAL;
+			machine.toctl = false;
+		}
 
 		return next;
 	}
@@ -291,18 +293,20 @@ StateExpectString::custom(gchar chr) throw (Error)
 	/*
 	 * String building characters
 	 */
-	undo.push_var<Machine>(machine);
-	insert = machine_input(chr);
-	if (!insert)
-		return this;
+	if (string_building) {
+		undo.push_var(machine);
+		insert = machine_input(chr);
+		if (!insert)
+			return this;
+	} else {
+		insert = g_strdup((gchar []){chr, '\0'});
+	}
 
 	/*
 	 * String accumulation
 	 */
 	undo.push_str(strings[0]);
-	new_str = g_strconcat(strings[0] ? : "", insert, NULL);
-	g_free(strings[0]);
-	strings[0] = new_str;
+	String::append(strings[0], insert);
 
 	process(strings[0], strlen(insert));
 	g_free(insert);
diff --git a/parser.h b/parser.h
index 3047c50..ba3a632 100644
--- a/parser.h
+++ b/parser.h
@@ -110,8 +110,11 @@ class StateExpectString : public State {
 			    mode(MODE_NORMAL), toctl(false) {}
 	} machine;
 
+	bool string_building;
+
 public:
-	StateExpectString() : State() {}
+	StateExpectString(bool _building = true)
+			 : State(), string_building(_building) {}
 
 private:
 	gchar *machine_input(gchar key) throw (Error);
diff --git a/qbuffers.h b/qbuffers.h
index a6d016c..ce2645c 100644
--- a/qbuffers.h
+++ b/qbuffers.h
@@ -411,6 +411,8 @@ private:
 };
 
 class StateSetQRegString : public StateExpectString {
+public:
+	StateSetQRegString() : StateExpectString(false) {}
 private:
 	State *done(const gchar *str) throw (Error);
 };
diff --git a/teco.ini b/teco.ini
index a64bf6b..e7c1a42 100755
--- a/teco.ini
+++ b/teco.ini
@@ -6,13 +6,13 @@
   Oadd,edit,close,quit
 
 !add! [f[r[0[1[2
-  f^QQ* EQf
+  EQ* HXf EQf
 
   r
     U2U1U0 (Q0*256 + Q1)*256 + Q2
 
-  ZJ -:S.^Q[cpp,c,h]"S Z-."=
-    EB^QQf
+  ZJ -:S.[cpp,c,h]"S Z-."=
+    EBQf
     3,4001ES
     0,4005ESbreak case continue default do else for goto if return switch while
     0,255,0Mr,0,2051ES
@@ -23,13 +23,13 @@
   ''
 
   ZJ -:Smakefile"S Z-."=
-    EB^QQf
+    EBQf
     11,4001ES
     0,255,0Mr,1,2051ES
     Oadd.end
   ''
 
-  EB^QQf
+  EBQf
 !add.end!
   ]2]1]0]r]f Oend
 
-- 
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