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util: switch LogPrint and error to variadic templates

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Wladimir J. van der Laan 2016-05-04 14:21:04 +02:00
parent 9eaa0afa6e
commit 08d7b563e9
1 changed files with 18 additions and 25 deletions
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43
src/util.h
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@ -76,40 +76,33 @@ int LogPrintStr(const std::string &str);
#define LogPrintf(...) LogPrint(NULL, __VA_ARGS__)
/**
* When we switch to C++11, this can be switched to variadic templates instead
* of this macro-based construction (see tinyformat.h).
*/
#define MAKE_ERROR_AND_LOG_FUNC(n) \
/** Print to debug.log if -debug=category switch is given OR category is NULL. */ \
template<TINYFORMAT_ARGTYPES(n)> \
static inline int LogPrint(const char* category, const char* format, TINYFORMAT_VARARGS(n)) \
{ \
if(!LogAcceptCategory(category)) return 0; \
return LogPrintStr(tfm::format(format, TINYFORMAT_PASSARGS(n))); \
} \
/** Log error and return false */ \
template<TINYFORMAT_ARGTYPES(n)> \
static inline bool error(const char* format, TINYFORMAT_VARARGS(n)) \
{ \
LogPrintStr("ERROR: " + tfm::format(format, TINYFORMAT_PASSARGS(n)) + "\n"); \
return false; \
}
template<typename T1, typename... Args>
static inline int LogPrint(const char* category, const char* fmt, const T1& v1, const Args&... args)
{
if(!LogAcceptCategory(category)) return 0; \
return LogPrintStr(tfm::format(fmt, v1, args...));
}
TINYFORMAT_FOREACH_ARGNUM(MAKE_ERROR_AND_LOG_FUNC)
template<typename T1, typename... Args>
bool error(const char* fmt, const T1& v1, const Args&... args)
{
LogPrintStr("ERROR: " + tfm::format(fmt, v1, args...) + "\n");
return false;
}
/**
* Zero-arg versions of logging and error, these are not covered by
* TINYFORMAT_FOREACH_ARGNUM
* the variadic templates above (and don't take format arguments but
* bare strings).
*/
static inline int LogPrint(const char* category, const char* format)
static inline int LogPrint(const char* category, const char* s)
{
if(!LogAcceptCategory(category)) return 0;
return LogPrintStr(format);
return LogPrintStr(s);
}
static inline bool error(const char* format)
static inline bool error(const char* s)
{
LogPrintStr(std::string("ERROR: ") + format + "\n");
LogPrintStr(std::string("ERROR: ") + s + "\n");
return false;
}