From abece517b09d8492197182584e1f0ea6570efe7a Mon Sep 17 00:00:00 2001
From: ifcquery <fbnge4@gmail.com>
Date: Sun, 16 Jul 2023 17:23:26 +0200
Subject: [PATCH] fix bug in bufferedGetStepLine

---
 IfcPlusPlus/src/ifcpp/geometry/CSG_Adapter.h |  7 +++++--
 IfcPlusPlus/src/ifcpp/reader/ReaderUtil.cpp  | 14 +++++++++-----
 2 files changed, 14 insertions(+), 7 deletions(-)

diff --git a/IfcPlusPlus/src/ifcpp/geometry/CSG_Adapter.h b/IfcPlusPlus/src/ifcpp/geometry/CSG_Adapter.h
index 3cc40bb5f..1c2e203d8 100644
--- a/IfcPlusPlus/src/ifcpp/geometry/CSG_Adapter.h
+++ b/IfcPlusPlus/src/ifcpp/geometry/CSG_Adapter.h
@@ -191,9 +191,12 @@ namespace CSG_Adapter
 			}
 
 			bool dump_result_mesh = false;
-			//if (csg_compute_count == 24  || tag == 1311603)
+			if ( tag == 1311603)
+			{
+				dump_result_mesh = true;
+			}
+			if (csg_compute_count == 24 )
 			{
-				//GeomDebugDump::dumpOperands(op1, op2, result, tag, op1_dumped, op2_dumped, dumpColorSettings, paramsScaled);
 				dump_result_mesh = true;
 			}
 
diff --git a/IfcPlusPlus/src/ifcpp/reader/ReaderUtil.cpp b/IfcPlusPlus/src/ifcpp/reader/ReaderUtil.cpp
index 14896a7b6..d1bcb391e 100644
--- a/IfcPlusPlus/src/ifcpp/reader/ReaderUtil.cpp
+++ b/IfcPlusPlus/src/ifcpp/reader/ReaderUtil.cpp
@@ -174,14 +174,19 @@ std::istream& bufferedGetStepLine(std::istream& inputStream, std::string& lineOu
 	std::streambuf* sb = inputStream.rdbuf();
 	bool inString = false;
 
+#ifdef _DEBUG
+	std::string string40;
+#endif	
+
 	// std::getline does not work with all line endings, reads complete file instead.
 	// Handle \n (unix), \r\n (windows), \r (mac) line endings here
 	while(true)
 	{
-		int c = sb->sbumpc();
+		int c = sb->sbumpc();  // sbumpc: character at the current position and advances the current position to the next character
 #ifdef _DEBUG
 		std::string charAsString;
 		charAsString += ((char)c);
+		string40 += charAsString;
 #endif
 		switch (c)
 		{
@@ -200,12 +205,11 @@ std::istream& bufferedGetStepLine(std::istream& inputStream, std::string& lineOu
 			continue;
 		}
 		case '\'':
-			if( sb->sgetc() != '/' )  // sgetc: character at the current position
-			{
-				inString = !inString;
-			}
+		{
+			inString = !inString;
 			lineOut += (char)c;
 			continue;
+		}
 		case '/':
 			if( !inString )
 			{