initial commit, 4.5 stable

thirdparty/jolt_physics/Jolt/Core/StringTools.cpp

@@ -0,0 +1,101 @@
+// Jolt Physics Library (https://github.com/jrouwe/JoltPhysics)
+// SPDX-FileCopyrightText: 2021 Jorrit Rouwe
+// SPDX-License-Identifier: MIT
+
+#include <Jolt/Jolt.h>
+
+#include <Jolt/Core/StringTools.h>
+
+JPH_SUPPRESS_WARNINGS_STD_BEGIN
+#include <cstdarg>
+JPH_SUPPRESS_WARNINGS_STD_END
+
+JPH_NAMESPACE_BEGIN
+
+String StringFormat(const char *inFMT, ...)
+{
+	char buffer[1024];
+
+	// Format the string
+	va_list list;
+	va_start(list, inFMT);
+	vsnprintf(buffer, sizeof(buffer), inFMT, list);
+	va_end(list);
+
+	return String(buffer);
+}
+
+void StringReplace(String &ioString, const string_view &inSearch, const string_view &inReplace)
+{
+	size_t index = 0;
+	for (;;)
+	{
+		 index = ioString.find(inSearch, index);
+		 if (index == String::npos)
+			 break;
+
+		 ioString.replace(index, inSearch.size(), inReplace);
+
+		 index += inReplace.size();
+	}
+}
+
+void StringToVector(const string_view &inString, Array<String> &outVector, const string_view &inDelimiter, bool inClearVector)
+{
+	JPH_ASSERT(inDelimiter.size() > 0);
+
+	// Ensure vector empty
+	if (inClearVector)
+		outVector.clear();
+
+	// No string? no elements
+	if (inString.empty())
+		return;
+
+	// Start with initial string
+	String s(inString);
+
+	// Add to vector while we have a delimiter
+	size_t i;
+	while (!s.empty() && (i = s.find(inDelimiter)) != String::npos)
+	{
+		outVector.push_back(s.substr(0, i));
+		s.erase(0, i + inDelimiter.length());
+	}
+
+	// Add final element
+	outVector.push_back(s);
+}
+
+void VectorToString(const Array<String> &inVector, String &outString, const string_view &inDelimiter)
+{
+	// Ensure string empty
+	outString.clear();
+
+	for (const String &s : inVector)
+	{
+		// Add delimiter if not first element
+		if (!outString.empty())
+			outString.append(inDelimiter);
+
+		// Add element
+		outString.append(s);
+	}
+}
+
+String ToLower(const string_view &inString)
+{
+	String out;
+	out.reserve(inString.length());
+	for (char c : inString)
+		out.push_back((char)tolower(c));
+	return out;
+}
+
+const char *NibbleToBinary(uint32 inNibble)
+{
+	static const char *nibbles[] = { "0000", "0001", "0010", "0011", "0100", "0101", "0110", "0111", "1000", "1001", "1010", "1011", "1100", "1101", "1110", "1111" };
+	return nibbles[inNibble & 0xf];
+}
+
+JPH_NAMESPACE_END