Introducing StringUtils - the place to be if you are a generic string routine :) No more sprintf()!

git-svn-id: http://mc-server.googlecode.com/svn/trunk@209 0a769ca7-a7f5-676a-18bf-c427514a06d6

source/StringUtils.cpp

@@ -0,0 +1,129 @@
+
+// StringUtils.cpp
+
+// Implements the various string helper functions:
+
+#include "Globals.h"
+
+
+
+
+
+AString & AppendVPrintf(AString & str, const char *format, va_list args)
+{
+	ASSERT(format != NULL);
+	
+	char buffer[2048];
+	size_t len;
+	if ((len = _vsnprintf_s(buffer, ARRAYCOUNT(buffer), _TRUNCATE, format, args)) != -1)
+	{
+		str.append(buffer, len);
+		return str;
+	}
+	len = _vscprintf(format, args);
+	if (len == -1)
+	{
+		return str;
+	}
+	std::auto_ptr<char> tmp(new char[len + 1]);
+	ASSERT(tmp.get() != NULL);  // Why not alloced? Is the length reasonable?
+	if (tmp.get() == NULL)
+	{
+		throw std::bad_alloc();
+	}
+	if ((len = vsprintf_s(tmp.get(), len + 1, format, args)) != -1)
+	{
+		str.append(tmp.get(), len);
+	}
+	ASSERT(len != -1);
+	return str;
+}
+
+
+
+
+
+AString & Printf(AString & str, const char *format, ...)
+{
+	str.clear();
+	va_list args;
+	va_start(args, format);
+	std::string &retval = AppendVPrintf(str, format, args);
+	va_end(args);
+	return retval;
+}
+
+
+
+
+
+AString & AppendPrintf(AString &str, const char *format, ...)
+{
+	va_list args;
+	va_start(args, format);
+	std::string &retval = AppendVPrintf(str, format, args);
+	va_end(args);
+	return retval;
+}
+
+
+
+
+
+AStringVector StringSplit(const AString & str, const AString & delim)
+{
+	AStringVector results;
+	size_t cutAt = 0;
+	size_t Prev = 0;
+	while ((cutAt = str.find_first_of(delim, Prev)) != str.npos)
+	{
+		if (cutAt > 0)
+		{
+			results.push_back(str.substr(0, cutAt));
+		}
+		Prev = cutAt + delim.length();
+	}
+	if (Prev < str.length())
+	{
+		results.push_back(str.substr(Prev));
+	}
+	return results;
+}
+
+
+
+
+AString & StrToUpper(AString & s)
+{
+	AString::iterator i = s.begin();
+	AString::iterator end = s.end();
+
+	while (i != end)
+	{
+		*i = (char)toupper(*i);
+		++i;
+	}
+	return s;
+}
+
+
+
+
+
+int NoCaseCompare(const AString & s1, const AString & s2)
+{
+	#ifdef _MSC_VER
+	// MSVC has stricmp that compares case-insensitive:
+	return stricmp(s1.c_str(), s2.c_str());
+	#else 
+	// Do it the hard way:
+	AString s1Copy(s1);
+	AString s2Copy(s2);
+	return StrToUpper(s1Copy).compare(StrToUpper(s2Copy));
+	#endif  // else _MSC_VER
+}
+
+
+
+
+