gtkradiant/contrib/pk3man/pk3str.h

#ifndef __STR__
#define __STR__
//
// class Str
// loose replacement for CString from MFC
//
//#include "cmdlib.h"
//#include <glib.h>
#include <string.h>
#include <ctype.h>

#ifdef WIN32
#define strcasecmp strcmpi
#endif

//char* __StrDup(char* pStr);
//char* __StrDup(const char* pStr);

#define __StrDup strdup

#ifdef __linux__
#define strcmpi strcasecmp
#define stricmp strcasecmp
#define strnicmp strncasecmp

inline char* strlwr(char* string)
{
	char *cp;
	for (cp = string; *cp; ++cp)
	{
		if ('A' <= *cp && *cp <= 'Z')
		*cp += 'a' - 'A';
	}

	return string;
}

inline char* strupr(char* string)
{
	char *cp;
	for (cp = string; *cp; ++cp)
	{
		if ('a' <= *cp && *cp <= 'z')
		*cp += 'A' - 'a';
	}

	return string;
}
#endif

static char *g_pStrWork = NULL;

class Str
{
protected:
	bool m_bIgnoreCase;
	char *m_pStr;

public:
	Str()
	{
		m_bIgnoreCase = true;
		m_pStr = new char[1];
		m_pStr[0] = '\0';
	}

	Str(char *p)
	{
		m_bIgnoreCase = true;
		m_pStr = __StrDup(p);
	}

	Str(const char *p)
	{
		m_bIgnoreCase = true;
		m_pStr = __StrDup(p);
	}

	Str(const char c)
	{
		m_bIgnoreCase = true;
		m_pStr = new char[2];
		m_pStr[0] = c;
		m_pStr[1] = '\0';
	}

	void Deallocate()
	{
		delete []m_pStr;
		m_pStr = NULL;
	}

	void Allocate(int n)
	{
		Deallocate();
		m_pStr = new char[n];
	}

	const char* GetBuffer()
	{
		return m_pStr;
	}

	void MakeEmpty()
	{
		Deallocate();
		m_pStr = __StrDup("");
	}

	~Str()
	{
		Deallocate();
		delete []g_pStrWork;
		g_pStrWork = NULL;
	}

	void MakeLower()
	{
		if (m_pStr)
		{
			strlwr(m_pStr);
		}
	}

	void MakeUpper()
	{
		if (m_pStr)
		{
			strupr(m_pStr);
		}
	}

	void TrimRight()
	{
		char* lpsz = m_pStr;
		char* lpszLast = NULL;
		while (*lpsz != '\0')
		{
			if (isspace(*lpsz))
			{
				if (lpszLast == NULL)
					lpszLast = lpsz;
			}
			else
				lpszLast = NULL;
				lpsz++;
			}

			if (lpszLast != NULL)
			{
				// truncate at trailing space start
				*lpszLast = '\0';
			}
	}

	void TrimLeft()
	{
		// find first non-space character
		char* lpsz = m_pStr;
		while (isspace(*lpsz))
			lpsz++;

		// fix up data and length
		int nDataLength = GetLength() - (lpsz - m_pStr);
		memmove(m_pStr, lpsz, (nDataLength+1));
	}

	int Find(const char *p)
	{
		char *pf = strstr(m_pStr, p);
		return (pf) ? (pf - m_pStr) : -1;
	}

	// search starting at a given offset
	int Find(const char *p, int offset)
	{
		char *pf = strstr(m_pStr+offset, p);
		return (pf) ? (pf - m_pStr) : -1;
	}

	int Find(const char ch)
	{
		char *pf = strchr (m_pStr, ch);
		return (pf) ? (pf - m_pStr) : -1;
	}

	int ReverseFind(const char ch)
	{
		char *pf = strrchr(m_pStr, ch);
		return (pf) ? (pf - m_pStr) : -1;
	}

	int CompareNoCase (const char* str) const
	{
		return strcasecmp (m_pStr, str);
	}

	int GetLength()
	{
		return (m_pStr) ? strlen(m_pStr) : 0;
	}

	const char* Left(int n)
	{
		delete []g_pStrWork;
		if (n > 0)
		{
			g_pStrWork = new char[n+1];
			strncpy(g_pStrWork, m_pStr, n);
			g_pStrWork[n] = '\0';
		}
		else
		{
			g_pStrWork = "";
			g_pStrWork = new char[1];
			g_pStrWork[0] = '\0';
		}
		return g_pStrWork;
	}

	const char* Right(int n)
	{
		delete []g_pStrWork;
		if (n > 0)
		{
			g_pStrWork = new char[n+1];
			int nStart = GetLength() - n;
			strncpy(g_pStrWork, &m_pStr[nStart], n);
			g_pStrWork[n] = '\0';
		}
		else
		{
			g_pStrWork = new char[1];
			g_pStrWork[0] = '\0';
		}
		return g_pStrWork;
	}

	const char* Mid(int nFirst) const
	{
		return Mid(nFirst, strlen (m_pStr) - nFirst);
	}

	const char* Mid(int first, int n) const
	{
		delete []g_pStrWork;
		if (n > 0)
		{
			g_pStrWork = new char[n+1];
			strncpy(g_pStrWork, m_pStr+first, n);
			g_pStrWork[n] = '\0';
		}
		else
		{
			g_pStrWork = "";
			g_pStrWork = new char[1];
			g_pStrWork[0] = '\0';
		}
		return g_pStrWork;
	}

#ifdef __G_LIB_H__
	void Format(const char* fmt, ...)
	{
		va_list args;
		char *buffer;

		va_start (args, fmt);
		buffer = g_strdup_vprintf (fmt, args);
		va_end (args);

		delete[] m_pStr;
		m_pStr = __StrDup(buffer);
		g_free (buffer);
	}
#else
	void Format(const char* fmt, ...)
	{
		va_list args;
		m_pStr = new char[1024];

		va_start (args, fmt);
		vsprintf (m_pStr, fmt, args);
		va_end (args);
	}
#endif

	void SetAt(int n, char ch)
	{
		if (n >= 0 && n < GetLength ())
			m_pStr[n] = ch;
	}

	// NOTE: unlike CString, this looses the pointer
	void ReleaseBuffer(int n = -1)
	{
		if (n == -1)
		n = GetLength ();

		char* tmp = m_pStr;
		tmp[n] = '\0';
		m_pStr = __StrDup(tmp);
		delete []tmp;
	}

	char* GetBufferSetLength(int n)
	{
		if (n < 0)
			n = 0;

		char *p = new char[n+1];
		strncpy (p, m_pStr, n);
		p[n] = '\0';
		delete []m_pStr;
		m_pStr = p;
		return m_pStr;
	}

	//  char& operator *() { return *m_pStr; }
	//  char& operator *() const { return *const_cast<Str*>(this)->m_pStr; }
	operator void*() { return m_pStr; }
	operator char*() { return m_pStr; }
	operator const char*(){ return reinterpret_cast<const char*>(m_pStr); }
	operator unsigned char*() { return reinterpret_cast<unsigned char*>(m_pStr); }
	operator const unsigned char*() { return reinterpret_cast<const unsigned char*>(m_pStr); }
	Str& operator =(const Str& rhs)
	{
		if (&rhs != this)
		{
			delete[] m_pStr;
			m_pStr = __StrDup(rhs.m_pStr);
		}
		return *this;
	}

	Str& operator =(const char* pStr)
	{
		if (m_pStr != pStr)
		{
			delete[] m_pStr;
			m_pStr = __StrDup(pStr);
		}
		return *this;
	}

	Str& operator +=(const char ch)
	{
		int len = GetLength ();
		char *p = new char[len + 1 + 1];

		if (m_pStr)
		{
			strcpy(p, m_pStr);
			delete[] m_pStr;
		}

		m_pStr = p;
		m_pStr[len] = ch;
		m_pStr[len+1] = '\0';

		return *this;
	}

	Str& operator +=(const char *pStr)
	{
		if (pStr)
		{
			if (m_pStr)
			{
				char *p = new char[strlen(m_pStr) + strlen(pStr) + 1];
				strcpy(p, m_pStr);
				strcat(p, pStr);
				delete[] m_pStr;
				m_pStr = p;
			}
			else
			{
				m_pStr = __StrDup(pStr);
			}
		}
		return *this;
	}

	bool operator ==(const Str& rhs) const { return (m_bIgnoreCase) ? stricmp(m_pStr, rhs.m_pStr) == 0 : strcmp(m_pStr, rhs.m_pStr) == 0; }
	bool operator ==(char* pStr) const { return (m_bIgnoreCase) ? stricmp(m_pStr, pStr) == 0 : strcmp(m_pStr, pStr) == 0; }
	bool operator ==(const char* pStr) const { return (m_bIgnoreCase) ? stricmp(m_pStr, pStr) == 0 : strcmp(m_pStr, pStr) == 0; }
	bool operator !=(Str& rhs) const { return (m_bIgnoreCase) ? stricmp(m_pStr, rhs.m_pStr) != 0 : strcmp(m_pStr, rhs.m_pStr) != 0; }
	bool operator !=(char* pStr) const { return (m_bIgnoreCase) ? stricmp(m_pStr, pStr) != 0 : strcmp(m_pStr, pStr) != 0; }
	bool operator !=(const char* pStr) const { return (m_bIgnoreCase) ? stricmp(m_pStr, pStr) != 0 : strcmp(m_pStr, pStr) != 0; }
	char& operator [](int nIndex) { return m_pStr[nIndex]; }
	char& operator [](int nIndex) const { return m_pStr[nIndex]; }
	const char GetAt (int nIndex) { return m_pStr[nIndex]; }
};

#endif