X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fpredicate.cpp;fp=source%2Fpredicate.cpp;h=a1953733c676d3ccac0f449db4d9ce3c749dba4f;hp=0000000000000000000000000000000000000000;hb=fd31e462d8acac7af890dad7dff8de76c1caa1a3;hpb=c34da2dbd034cfe591e2020ef0b50265d0571fc5

diff --git a/source/predicate.cpp b/source/predicate.cpp
new file mode 100644
index 00000000..a1953733
--- /dev/null
+++ b/source/predicate.cpp
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+#include <msp/strings/format.h>
+#include "predicate.h"
+
+using namespace std;
+
+namespace Msp {
+namespace GL {
+
+void operator>>(const LexicalConverter &conv, Predicate &pred)
+{
+	const string &str = conv.get();
+	if(str=="NEVER")
+		pred = NEVER;
+	else if(str=="ALWAYS")
+		pred = ALWAYS;
+	else if(str=="LESS")
+		pred = LESS;
+	else if(str=="LEQUAL")
+		pred = LEQUAL;
+	else if(str=="EQUAL")
+		pred = EQUAL;
+	else if(str=="GREATER")
+		pred = GREATER;
+	else if(str=="GEQUAL")
+		pred = GEQUAL;
+	else if(str=="NOTEQUAL")
+		pred = NOTEQUAL;
+	else
+		throw lexical_error(format("conversion of '%s' to Predicate", str));
+}
+
+void operator<<(LexicalConverter &conv, Predicate pred)
+{
+	switch(pred)
+	{
+	case NEVER: conv.result("NEVER"); break;
+	case ALWAYS: conv.result("ALWAYS"); break;
+	case LESS: conv.result("LESS"); break;
+	case LEQUAL: conv.result("LEQUAL"); break;
+	case EQUAL: conv.result("EQUAL"); break;
+	case GREATER: conv.result("GREATER"); break;
+	case GEQUAL: conv.result("GEQUAL"); break;
+	case NOTEQUAL: conv.result("NOTEQUAL"); break;
+	default: conv.result(format("Predicate(%#x)", static_cast<int>(pred))); break;
+	}
+}
+
+} // namespace GL
+} // namespace Msp