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utf8_Error:std::runtime_error +static bool use_throw{true} and emit();

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This commit is contained in:
qPCR4vir 2016-03-18 17:03:32 +01:00
parent fd2971c87f
commit a9ef23d8d8
1 changed files with 35 additions and 3 deletions
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38
source/deploy.cpp
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@ -479,6 +479,8 @@ namespace std
}
//#endif // STD_put_time_NOT_SUPPORTED
#include <iostream>
namespace nana
{
bool is_utf8(const char* str, unsigned len)
@ -511,22 +513,52 @@ namespace nana
return true;
}
struct utf8_Error : std::runtime_error
{
static bool use_throw; ///< def { true }; use carefully - it is a global variable !! \todo initialize from a #define ?
utf8_Error(const std::string& what_arg)
:std::runtime_error{ std::string("\nRun-time utf8 Error: ") + what_arg }
{}
utf8_Error(const char * what_arg)
:utf8_Error{ std::string(what_arg) }
{}
void emit()
{
if (use_throw)
throw utf8_Error(*this);
std::cerr << what();
}
};
//bool utf8_Error::use_throw{true};
bool utf8_Error::use_throw{ false };
void throw_not_utf8(const std::string& text)
{
if (!is_utf8(text.c_str(), text.length()))
throw std::invalid_argument("The text is not encoded in UTF8");
return utf8_Error(std::string("The text is not encoded in UTF8: ") + text).emit();
//throw std::invalid_argument( std::string("The text is not encoded in UTF8: ")+text ) ;
}
void throw_not_utf8(const char* text, unsigned len)
{
if (!is_utf8(text, len))
throw std::invalid_argument("The text is not encoded in UTF8");
return utf8_Error(std::string("The text is not encoded in UTF8: ") + std::string(text, len) ).emit();
//throw std::invalid_argument("The text is not encoded in UTF8");
}
void throw_not_utf8(const char* text)
{
if (!is_utf8(text, std::strlen(text)))
throw std::invalid_argument("The text is not encoded in UTF8");
return utf8_Error(std::string("The text is not encoded in UTF8: ") + text).emit();
//throw std::invalid_argument("The text is not encoded in UTF8");
}