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#if !defined(HISTORYSTATS_GUARD__FORMAT_H)
#define HISTORYSTATS_GUARD__FORMAT_H
/*
* ext::basic_format and helper routines
*/
namespace ext
{
template<typename T_>
class basic_format
{
public:
typedef typename T_ char_type;
typedef typename std::basic_string<T_> str_type;
typedef typename ext::basic_strfunc<T_> _Func;
private:
str_type m_Str;
char_type m_Sep;
size_t m_NextPos;
public:
explicit basic_format(const str_type& str, char_type sep = '|')
: m_Str(str), m_Sep(sep), m_NextPos(0)
{
}
const str_type& str() const
{
return m_Str;
}
basic_format& operator %(const char_type* szValue)
{
size_t pos = m_Str.find(m_Sep, m_NextPos);
if (pos != str_type::npos)
{
size_t len = _Func::len(szValue);
m_Str.replace(pos, 1, szValue, len);
m_NextPos = pos + len;
}
return *this;
}
basic_format& operator %(const str_type& strValue)
{
return (*this % strValue.c_str());
}
basic_format& operator %(int nValue)
{
std::basic_ostringstream<char_type> oss;
oss << nValue;
return (*this % oss.str().c_str());
}
};
template<typename T_>
inline const std::basic_string<T_>& str(const basic_format<T_>& format)
{
return format.str();
}
};
template<typename T_>
inline std::basic_ostream<T_>& operator <<(std::basic_ostream<T_>& os, const ext::basic_format<T_>& format)
{
os << format.str();
return os;
}
/*
* ext::basic_kformat and helper routines
*/
namespace ext
{
template<typename T_>
class basic_kformat
{
public:
typedef typename T_ char_type;
typedef typename std::basic_string<T_> str_type;
typedef typename ext::basic_strfunc<T_> _Func;
private:
str_type m_Str;
str_type m_Mask;
str_type m_CurKey;
public:
explicit basic_kformat(const str_type& str)
: m_Str(str), m_Mask(str.length(), '_')
{
}
const str_type& str() const
{
return m_Str;
}
basic_kformat& operator %(const char_type* szKey)
{
m_CurKey = szKey;
return *this;
}
basic_kformat& operator *(const char_type* szValue)
{
if (!m_CurKey.empty())
{
size_t pos = 0;
size_t key_len = m_CurKey.length();
size_t value_len = _Func::len(szValue);
while ((pos = m_Str.find(m_CurKey, pos)) != ext::string::npos)
{
if (m_Mask.substr(pos, key_len).find('X') == ext::string::npos)
{
// replace since we didn't replace here before
m_Str.replace(pos, key_len, szValue, value_len);
m_Mask.replace(pos, key_len, value_len, 'X');
pos += value_len;
}
else
{
// skip since we already replaced in this area
pos += key_len;
}
}
}
return *this;
}
basic_kformat& operator *(const str_type& strValue)
{
return (*this * strValue.c_str());
}
basic_kformat& operator *(int nValue)
{
std::basic_ostringstream<char_type> oss;
oss << nValue;
return (*this * oss.str().c_str());
}
};
template<typename T_>
inline const std::basic_string<T_>& str(const basic_kformat<T_>& format)
{
return format.str();
}
}
template<typename T_>
inline std::basic_ostream<T_>& operator <<(std::basic_ostream<T_>& os, const ext::basic_kformat<T_>& format)
{
os << format.str();
return os;
}
#endif // HISTORYSTATS_GUARD__FORMAT_H
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