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#ifndef __GSTRING_SMART_STRING_CLASS__
#define __GSTRING_SMART_STRING_CLASS__ 1
// This is just a streamlined version of std::string.
// It cleans itself up automatically, it can copy itself,
// test for equality, etc.
// and you can use .c_str() to get the string const, so it's
// sytactically the same (usage-wise) as std::string.
// Written by Ryan Geiss.
#include <windows.h>
class GString
{
public:
GString()
{
m_data = new wchar_t[1];
m_data[0] = 0;
m_size = 1;
}
GString(const wchar_t* src)
{
m_data = NULL;
m_size = 0;
operator=(src);
}
GString(const GString &src_string)
{
m_data = NULL;
m_size = 0;
operator=(src_string);
}
~GString()
{
delete m_data; // note: delete is safe on NULL ptrs
m_data = NULL;
m_size = 0;
}
inline GString& operator=(const wchar_t* src)
{
if (src != m_data) // don't do anything on "x = x.c_str();"
{
delete m_data; // note: delete is safe on NULL ptrs
if (src)
{
m_size = wcslen(src)+1;
m_data = new wchar_t[m_size];
memcpy(m_data, src, m_size*2);
}
else
{
m_size = 1;
m_data = new wchar_t[1];
m_data[0] = 0;
}
}
return *this;
}
inline GString& operator=(const GString &src_string)
{
if (&src_string != this) // don't do anything on "x = x;"
{
if (src_string.GetSize() != m_size) //optimization
{
delete m_data;
m_size = src_string.GetSize();
m_data = new wchar_t[m_size];
}
memcpy(m_data, src_string.c_str(), m_size*2);
}
return *this;
}
inline wchar_t operator[](int index) const
{
return m_data[index];
}
inline bool operator==(const wchar_t* comp)
{
return (wcscmp(m_data,comp) == 0);
}
inline bool operator==(const GString &comp)
{
if (m_size != comp.m_size) // shortcut
return false;
return (wcscmp(m_data,comp.c_str()) == 0); //return operator==(comp.m_data);
}
inline const wchar_t* c_str() const
{
return m_data;
}
// This is actually unsafe, but we need it for convenience, unless we really
// feel like copying all data twice. BE WARNED! When this class reallocates
// memory, all old references to _data are invalid!
//operator const char*() const { return _data; }
inline int GetSize() const //in bytes - including terminating NULL char.
{
return m_size;
}
inline int GetLength() const
{
return (m_size >= 1) ? m_size-1 : 0;
}
private:
wchar_t* m_data;
int m_size;
};
class GStringA
{
public:
GStringA()
{
m_data = new char[1];
m_data[0] = 0;
m_size = 1;
}
GStringA(const char* src)
{
m_data = NULL;
m_size = 0;
operator=(src);
}
GStringA(const GStringA &src_string)
{
m_data = NULL;
m_size = 0;
operator=(src_string);
}
~GStringA()
{
delete m_data; // note: delete is safe on NULL ptrs
m_data = NULL;
m_size = 0;
}
inline GStringA& operator=(const char* src)
{
if (src != m_data) // don't do anything on "x = x.c_str();"
{
delete m_data; // note: delete is safe on NULL ptrs
if (src)
{
m_size = strlen(src)+1;
m_data = new char[m_size];
memcpy(m_data, src, m_size);
}
else
{
m_size = 1;
m_data = new char[1];
m_data[0] = 0;
}
}
return *this;
}
inline GStringA& operator=(const GStringA &src_string)
{
if (&src_string != this) // don't do anything on "x = x;"
{
if (src_string.GetSize() != m_size) //optimization
{
delete m_data;
m_size = src_string.GetSize();
m_data = new char[m_size];
}
memcpy(m_data, src_string.c_str(), m_size);
}
return *this;
}
inline char operator[](int index) const
{
return m_data[index];
}
inline bool operator==(const char* comp)
{
return (strcmp(m_data,comp) == 0);
}
inline bool operator==(const GStringA &comp)
{
if (m_size != comp.m_size) // shortcut
return false;
return (strcmp(m_data,comp.c_str()) == 0); //return operator==(comp.m_data);
}
inline const char* c_str() const
{
return m_data;
}
// This is actually unsafe, but we need it for convenience, unless we really
// feel like copying all data twice. BE WARNED! When this class reallocates
// memory, all old references to _data are invalid!
//operator const char*() const { return _data; }
inline int GetSize() const //in bytes - including terminating NULL char.
{
return m_size;
}
inline int GetLength() const
{
return (m_size >= 1) ? m_size-1 : 0;
}
private:
char* m_data;
int m_size;
};
#endif
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