35d89bc918
git-svn-id: http://mc-server.googlecode.com/svn/trunk@212 0a769ca7-a7f5-676a-18bf-c427514a06d6
149 lines
2.8 KiB
C++
149 lines
2.8 KiB
C++
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// StringUtils.cpp
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// Implements the various string helper functions:
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#include "Globals.h"
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AString & AppendVPrintf(AString & str, const char *format, va_list args)
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{
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ASSERT(format != NULL);
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char buffer[2048];
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size_t len;
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#ifdef _MSC_VER
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// MS CRT provides secure printf that doesn't behave like in the C99 standard
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if ((len = _vsnprintf_s(buffer, ARRAYCOUNT(buffer), _TRUNCATE, format, args)) != -1)
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#else // _MSC_VER
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if ((len = vsnprintf(buffer, ARRAYCOUNT(buffer), format, args)) < ARRAYCOUNT(buffer))
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#endif // else _MSC_VER
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{
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// The result did fit into the static buffer
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str.append(buffer, len);
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return str;
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}
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// The result did not fit into the static buffer
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#ifdef _MSC_VER
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// for MS CRT, we need to calculate the result length
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len = _vscprintf(format, args);
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if (len == -1)
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{
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return str;
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}
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#endif // _MSC_VER
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// Allocate a buffer and printf into it:
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std::auto_ptr<char> tmp(new char[len + 1]);
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ASSERT(tmp.get() != NULL); // Why not alloced? Is the length reasonable?
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if (tmp.get() == NULL)
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{
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throw std::bad_alloc();
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}
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#ifdef _MSC_VER
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if ((len = vsprintf_s(tmp.get(), len + 1, format, args)) != -1)
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{
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str.append(tmp.get(), len);
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}
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ASSERT(len != -1);
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#else // _MSC_VER
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vsnprintf(tmp.get(), len + 1, format, args);
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str.append(tmp.get(), len);
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#endif // else _MSC_VER
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return str;
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}
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AString & Printf(AString & str, const char *format, ...)
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{
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str.clear();
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va_list args;
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va_start(args, format);
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std::string &retval = AppendVPrintf(str, format, args);
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va_end(args);
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return retval;
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}
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AString & AppendPrintf(AString &str, const char *format, ...)
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{
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va_list args;
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va_start(args, format);
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std::string &retval = AppendVPrintf(str, format, args);
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va_end(args);
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return retval;
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}
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AStringVector StringSplit(const AString & str, const AString & delim)
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{
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AStringVector results;
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size_t cutAt = 0;
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size_t Prev = 0;
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while ((cutAt = str.find_first_of(delim, Prev)) != str.npos)
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{
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if (cutAt > 0)
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{
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results.push_back(str.substr(Prev, cutAt - Prev));
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}
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Prev = cutAt + delim.length();
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}
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if (Prev < str.length())
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{
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results.push_back(str.substr(Prev));
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}
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return results;
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}
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AString & StrToUpper(AString & s)
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{
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AString::iterator i = s.begin();
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AString::iterator end = s.end();
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while (i != end)
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{
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*i = (char)toupper(*i);
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++i;
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}
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return s;
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}
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int NoCaseCompare(const AString & s1, const AString & s2)
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{
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#ifdef _MSC_VER
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// MSVC has stricmp that compares case-insensitive:
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return _stricmp(s1.c_str(), s2.c_str());
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#else
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// Do it the hard way:
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AString s1Copy(s1);
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AString s2Copy(s2);
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return StrToUpper(s1Copy).compare(StrToUpper(s2Copy));
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#endif // else _MSC_VER
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}
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