From 3cba2422951e64c6b2cffc4fbbcad12dd714b1b8 Mon Sep 17 00:00:00 2001
From: aothms <t.krijnen@gmail.com>
Date: Fri, 14 Aug 2015 22:11:32 +0200
Subject: [PATCH] When built without ICU filter characters outside of unencoded
 range

---
 src/ifcparse/IfcCharacterDecoder.cpp | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/src/ifcparse/IfcCharacterDecoder.cpp b/src/ifcparse/IfcCharacterDecoder.cpp
index c33a6f9b0c..c3eeb186d7 100644
--- a/src/ifcparse/IfcCharacterDecoder.cpp
+++ b/src/ifcparse/IfcCharacterDecoder.cpp
@@ -352,8 +352,15 @@ IfcCharacterEncoder::operator std::string() {
 #else
 	for (std::string::const_iterator i = str.begin(); i != str.end(); ++i) {
 		char ch = *i;
-		if ( ch == '\\' || ch == '\'' ) oss.put(ch);
-		oss.put(ch);
+		const bool within_spf_range = ch >= 0x20 && ch <= 0x7e;
+		if (within_spf_range) {
+			if ( ch == '\\' || ch == '\'' ) {
+				oss.put(ch);
+			}		
+			oss.put(ch);
+		} else {
+			oss.put('_');
+		}
 	}
 #endif
 	oss.put('\'');