From: James Turner <zakalawe@mac.com>
Date: Sat, 30 Jul 2011 09:48:37 +0000 (+0100)
Subject: Clean header dependencies of condition.hxx - introduce a new header, propsfwd.hxx... 
X-Git-Url: https://git.mxchange.org/?a=commitdiff_plain;h=3ac5ff0cac4dfecc62e6deb440bb0aa309ff42c9;p=simgear.git

Clean header dependencies of condition.hxx - introduce a new header, propsfwd.hxx, for common case of headers that only need SGPropertyNode_ptr and SGCondition_ptr
---

diff --git a/simgear/props/CMakeLists.txt b/simgear/props/CMakeLists.txt
index f347df45..46d81b35 100644
--- a/simgear/props/CMakeLists.txt
+++ b/simgear/props/CMakeLists.txt
@@ -8,6 +8,7 @@ set(HEADERS
     propertyObject.hxx
     props.hxx
     props_io.hxx
+    propsfwd.hxx
     tiedpropertylist.hxx
     )
 
diff --git a/simgear/props/condition.hxx b/simgear/props/condition.hxx
index 719f6879..f18e4b84 100644
--- a/simgear/props/condition.hxx
+++ b/simgear/props/condition.hxx
@@ -10,11 +10,11 @@
 #ifndef __SG_CONDITION_HXX
 #define __SG_CONDITION_HXX
 
-#include <simgear/debug/logstream.hxx>
-#include <simgear/props/props.hxx>
-#include <simgear/props/props_io.hxx>
 #include <simgear/structure/SGReferenced.hxx>
-
+#include <simgear/structure/SGSharedPtr.hxx>
+
+class SGPropertyNode;
+
 ////////////////////////////////////////////////////////////////////////
 // Conditions.
 ////////////////////////////////////////////////////////////////////////
diff --git a/simgear/props/props_io.hxx b/simgear/props/props_io.hxx
index 92c3bef3..743866a1 100644
--- a/simgear/props/props_io.hxx
+++ b/simgear/props/props_io.hxx
@@ -15,11 +15,7 @@
 #include <simgear/compiler.h>
 #include <simgear/props/props.hxx>
 
-#include <stdio.h>
-
 #include <string>
-#include <vector>
-#include <map>
 #include <iosfwd>
 
 /**
diff --git a/simgear/props/propsfwd.hxx b/simgear/props/propsfwd.hxx
new file mode 100644
index 00000000..00e3697f
--- /dev/null
+++ b/simgear/props/propsfwd.hxx
@@ -0,0 +1,18 @@
+/**
+ * \file propsfwwd.hxx
+ * Forward declarations for properties (and related structures)
+ */
+ 
+#ifndef SG_PROPS_FWD_HXX
+#define SG_PROPS_FWD_HXX
+
+#include <simgear/structure/SGSharedPtr.hxx>
+
+class SGPropertyNode;
+ 
+typedef SGSharedPtr<SGPropertyNode> SGPropertyNode_ptr;
+typedef SGSharedPtr<const SGPropertyNode> SGConstPropertyNode_ptr;
+ 
+class SGCondition; 
+
+#endif // of SG_PROPS_FWD_HXX
diff --git a/simgear/sound/xmlsound.cxx b/simgear/sound/xmlsound.cxx
index 3e90752e..f3471d4e 100644
--- a/simgear/sound/xmlsound.cxx
+++ b/simgear/sound/xmlsound.cxx
@@ -30,6 +30,7 @@
 #include <string.h>
 
 #include <simgear/debug/logstream.hxx>
+#include <simgear/props/props.hxx>
 #include <simgear/props/condition.hxx>
 #include <simgear/math/SGMath.hxx>
 #include <simgear/structure/exception.hxx>
diff --git a/simgear/sound/xmlsound.hxx b/simgear/sound/xmlsound.hxx
index 0b3f132a..95582aab 100644
--- a/simgear/sound/xmlsound.hxx
+++ b/simgear/sound/xmlsound.hxx
@@ -36,7 +36,8 @@
 #include <vector>
 
 #include <simgear/compiler.h>
-#include <simgear/props/condition.hxx>
+
+#include <simgear/props/propsfwd.hxx>
 
 #include "sample_group.hxx"
 #include "sample_openal.hxx"