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Helper classes to used CType functions as predicate in algorithms.

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This commit is contained in:
Sandu Liviu Catalin 2016-03-29 05:39:17 +03:00
parent 7dffcd0f6e
commit eed7b70374
2 changed files with 67 additions and 1 deletions
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2
source/Base/Shared.cpp
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@ -33,7 +33,7 @@ namespace SqMod {
static const SQChar EMPTY_STR_CHAR = 0;
const SQChar * g_EmptyStr = &EMPTY_STR_CHAR;
// --------------------------------------------------------------------------------------------
// ------------------------------------------------------------------------------------------------
PluginFuncs* _Func = NULL;
PluginCallbacks* _Clbk = NULL;
PluginInfo* _Info = NULL;

66
source/Base/Shared.hpp
View File

@ -403,6 +403,72 @@ bool cLogSWrn(bool cond, CCStr fmt, ...);
bool cLogSErr(bool cond, CCStr fmt, ...);
bool cLogSFtl(bool cond, CCStr fmt, ...);
/* ------------------------------------------------------------------------------------------------
* Helper class allows the use of functions with ctype style as predicate for algorithms.
*/
struct IsCType
{
// ------------------------------------------------------------------------------------------------
typedef int (*CTypeFn)(int); // The signature of a ctype function.
private:
// ------------------------------------------------------------------------------------------------
CTypeFn m_Fn; // Pointer to the actual function that does the comparison.
public:
/* ------------------------------------------------------------------------------------------------
* Base constructor.
*/
IsCType(CTypeFn fn)
: m_Fn(fn)
{
/* ... */
}
/* ------------------------------------------------------------------------------------------------
* Function call operator.
*/
template < typename T > bool operator () (T c)
{
return (m_Fn(static_cast< int >(c)) != 0);
}
};
/* ------------------------------------------------------------------------------------------------
* Helper class allows the use of functions with ctype style as predicate for algorithms.
*/
struct IsNotCType
{
// ------------------------------------------------------------------------------------------------
typedef int (*CTypeFn)(int); // The signature of a ctype function.
private:
// ------------------------------------------------------------------------------------------------
CTypeFn m_Fn; // Pointer to the actual function that does the comparison.
public:
/* ------------------------------------------------------------------------------------------------
* Base constructor.
*/
IsNotCType(CTypeFn fn)
: m_Fn(fn)
{
/* ... */
}
/* ------------------------------------------------------------------------------------------------
* Function call operator.
*/
template < typename T > bool operator () (T c)
{
return (m_Fn(static_cast< int >(c)) == 0);
}
};
} // Namespace:: SqMod
#endif // _BASE_SHARED_HPP_