Added validation step, added helper macro AI_BUILD_KEY to the material system.

git-svn-id: https://assimp.svn.sourceforge.net/svnroot/assimp/trunk@59 67173fc5-114c-0410-ac8e-9d2fd5bffc1f

code/StringComparison.h

@@ -0,0 +1,126 @@
+/*
+Open Asset Import Library (ASSIMP)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2008, ASSIMP Development Team
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms, 
+with or without modification, are permitted provided that the 
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the ASSIMP team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the ASSIMP Development Team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file Definition of platform independent string comparison functions */
+#ifndef AI_STRINGCOMPARISON_H_INC
+#define AI_STRINGCOMPARISON_H_INC
+
+
+namespace Assimp
+{
+
+// ---------------------------------------------------------------------------
+/** \brief Helper function to do platform independent string comparison.
+ *
+ *  This is required since stricmp() is not consistently available on
+ *  all platforms. Some platforms use the '_' prefix, others don't even
+ *  have such a function. Yes, this is called an ISO standard.
+ *
+ *  \param s1 First input string
+ *  \param s2 Second input string
+ */
+// ---------------------------------------------------------------------------
+inline int ASSIMP_stricmp(const char *s1, const char *s2)
+{
+#if (defined _MSC_VER)
+
+	return ::_stricmp(s1,s2);
+
+#else
+	const char *a1, *a2;
+	a1 = s1;
+	a2 = s2;
+
+	while (true)
+	{
+		char c1 = (char)::tolower(*a1); 
+		char c2 = (char)::tolower(*a2);
+		if ((0 == c1) && (0 == c2)) return 0;
+		if (c1 < c2) return-1;
+		if (c1 > c2) return 1;
+		++a1; 
+		++a2;
+	}
+#endif
+}
+
+// ---------------------------------------------------------------------------
+/** \brief Helper function to do platform independent string comparison.
+ *
+ *  This is required since strincmp() is not consistently available on
+ *  all platforms. Some platforms use the '_' prefix, others don't even
+ *  have such a function. Yes, this is called an ISO standard.
+ *
+ *  \param s1 First input string
+ *  \param s2 Second input string
+ *  \param n Macimum number of characters to compare
+ */
+// ---------------------------------------------------------------------------
+inline int ASSIMP_strincmp(const char *s1, const char *s2, unsigned int n)
+{
+#if (defined _MSC_VER)
+
+	return ::_strnicmp(s1,s2,n);
+
+#else
+	const char *a1, *a2;
+	a1 = s1;
+	a2 = s2;
+
+	unsigned int p = 0;
+
+	while (true)
+	{
+		if (p >= n)return 0;
+
+		char c1 = (char)::tolower(*a1); 
+		char c2 = (char)::tolower(*a2);
+		if ((0 == c1) && (0 == c2)) return 0;
+		if (c1 < c2) return-1;
+		if (c1 > c2) return 1;
+		++a1; 
+		++a2;
+		++p;
+	}
+#endif
+}
+};
+
+#endif // !  AI_STRINGCOMPARISON_H_INC