1 files changed, 153 insertions, 0 deletions
diff --git a/Runtime/Utilities/PathNameUtility.h b/Runtime/Utilities/PathNameUtility.h
new file mode 100644
index 0000000..0ab1c48
--- /dev/null
+++ b/Runtime/Utilities/PathNameUtility.h
@@ -0,0 +1,153 @@
+#ifndef PATHNAMEUTILITY_H
+#define PATHNAMEUTILITY_H
+
+#include <string>
+#include <vector>
+#include <functional>
+
+
+// Path names in Unity always use forward slash as a separator; and convert to other one (if needed)
+// only in low-level file functions.
+const char kPathNameSeparator = '/';
+
+// If absolutely required, this defines a platform specific path separator.
+#if UNITY_WIN || UNITY_XENON
+const char kPlatformPathNameSeparator = '\\';
+#elif UNITY_OSX || UNITY_WII || UNITY_PS3 || UNITY_IPHONE || UNITY_ANDROID || UNITY_PEPPER || UNITY_LINUX || UNITY_FLASH || UNITY_WEBGL || UNITY_BB10 || UNITY_TIZEN
+const char kPlatformPathNameSeparator = '/';
+#else
+#error "Unknown platform"
+#endif
+
+
+
+std::string AppendPathName (const std::string& pathName, const std::string& append);
+std::string AppendPathNameExtension (const std::string& pathName, const std::string& extension);
+
+std::string GetPathNameExtension (const std::string& pathName);
+const char* GetPathNameExtension (const char* path, size_t cachedStringLength);
+std::string GetLastPathNameComponent (const std::string& pathName);
+const char* GetLastPathNameComponent (const char* path, size_t length);
+
+
+// Returns true if path is a child folder of beginsWith or the path itself. Case insensitive.
+bool StartsWithPath (const std::string &path, const std::string& beginsWith);
+
+std::vector<std::string> FindSeparatedPathComponents (char const* pathName, size_t size, char separator);
+inline std::vector<std::string> FindSeparatedPathComponents (std::string const& pathName, char separator) {
+	return FindSeparatedPathComponents (pathName.c_str (), pathName.size (), separator);
+}
+
+std::string DeletePathNameExtension (const std::string& pathName);
+std::string StandardizePathName (const std::string& pathName);
+
+std::string DeleteLastPathNameComponent (const std::string& pathName);
+std::string DeleteFirstPathNameComponent (const std::string& pathName);
+
+inline std::string GetFileNameWithoutExtension(const std::string& pathName) { return DeletePathNameExtension(GetLastPathNameComponent(pathName)); }
+
+bool IsPathNameVisible (const std::string& path);
+
+
+void ConvertSeparatorsToUnity( char* pathName );
+template<typename alloc>
+void ConvertSeparatorsToUnity( std::basic_string<char, std::char_traits<char>, alloc>& pathName )
+{
+	typename std::basic_string<char, std::char_traits<char>, alloc>::iterator it = pathName.begin(), itEnd = pathName.end();
+	while( it != itEnd ) {
+		if( *it == '\\' )
+			*it = kPathNameSeparator;
+		++it;
+	}
+}
+void ConvertSeparatorsToPlatform( char* pathName );
+void ConvertSeparatorsToPlatform( std::string& pathName );
+
+int StrICmp (const char* a, const char* b);
+
+// These functions operate on platform dependent path separators
+
+std::string PlatformAppendPathName (const std::string& pathName, const std::string& append);
+std::string PlatformGetLastPathNameComponent (const std::string& pathName);
+std::string PlatformDeleteLastPathNameComponent (const std::string& pathName);
+
+std::string EncodePath(const std::string& s);
+std::string DecodePath(const std::string& s);
+
+#if UNITY_EDITOR
+bool IsValidFileNameSymbol (const char c);
+
+bool CheckValidFileName (const std::string& name);
+
+const char* GetInvalidFilenameChars ();
+
+enum FileNameValid { kFileNameValid = 0, kFileNameInvalid = 1, kFileNameNotRecommended = 2 };
+FileNameValid CheckValidFileNameDetail (const std::string& name);
+
+std::string MakeFileNameValid (const std::string& fileName);
+
+// Removes last / or \ if it exists in path
+std::string TrimSlash(const std::string& path);
+
+std::string& GetGoodPathNameForGUID (const std::string& pathname);
+std::string& GetGoodPathName (const std::string& pathname);
+
+std::string NormalizeUnicode (const std::string& utf8, bool decompose);
+
+inline bool RequiresNormalization (const char* utf8)
+{
+	const unsigned char* c = (const unsigned char*)utf8;
+	while (*c)
+	{
+		if (*c < 32 || *c > 127)
+			return true;
+		
+		c++;
+	}
+	
+	return false;
+}
+
+inline bool RequiresNormalization (const std::string& utf8)
+{
+	return RequiresNormalization (utf8.c_str());
+}
+
+// Use this functor as a comparison function when using paths as keys in std::map.
+struct PathCompareFunctor : std::binary_function<std::string, std::string, bool>
+{ 
+	bool operator() ( const std::string& path_a, const std::string& path_b ) const 
+	{
+		#if UNITY_OSX
+		bool ascii = !RequiresNormalization (path_a) && !RequiresNormalization (path_b);
+		if (ascii)
+			return StrICmp(path_a.c_str(), path_b.c_str()) < 0;
+		else
+			return StrICmp(NormalizeUnicode(path_a, true).c_str(), NormalizeUnicode(path_b, true).c_str()) < 0;		
+		#else
+		return StrICmp(path_a.c_str(), path_b.c_str()) < 0;
+		#endif
+	}
+};
+
+struct PathEqualityFunctor : std::binary_function<std::string, std::string, bool>
+{ 
+	bool operator() ( const std::string& path_a, const std::string& path_b ) const 
+	{
+#if UNITY_OSX
+		bool ascii = !RequiresNormalization (path_a) && !RequiresNormalization (path_b);
+		if (ascii)
+			return StrICmp(path_a.c_str(), path_b.c_str()) == 0;
+		else
+			return StrICmp(NormalizeUnicode(path_a, true).c_str(), NormalizeUnicode(path_b, true).c_str()) == 0;		
+#else
+		return StrICmp(path_a.c_str(), path_b.c_str()) == 0;
+#endif
+	}
+};
+
+
+#endif
+
+#endif
+