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Common/MsgHandler: Add fmt-capable variants of the alert macros

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Adds an interface that uses fmt under the hood, which is much more
flexible than printf, particularly for localization purposes, given fmt
supports positional formatters in a cross-platform manner out of the box
with no configuration necessary.
This commit is contained in:
Lioncash
2020-11-09 07:50:35 -05:00
parent a9ef7e0e43
commit 7b21f7af2e
3 changed files with 104 additions and 25 deletions
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62
Source/Core/Common/MsgHandler.cpp
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@ -52,6 +52,28 @@ std::string DefaultStringTranslator(const char* text)
MsgAlertHandler s_msg_handler = DefaultMsgHandler;
StringTranslator s_str_translator = DefaultStringTranslator;
bool s_alert_enabled = true;
const char* GetCaption(MsgType style)
{
static const std::string info_caption = s_str_translator(_trans("Information"));
static const std::string warn_caption = s_str_translator(_trans("Question"));
static const std::string ques_caption = s_str_translator(_trans("Warning"));
static const std::string crit_caption = s_str_translator(_trans("Critical"));
switch (style)
{
case MsgType::Information:
return info_caption.c_str();
case MsgType::Question:
return ques_caption.c_str();
case MsgType::Warning:
return warn_caption.c_str();
case MsgType::Critical:
return crit_caption.c_str();
default:
return "Unhandled caption";
}
}
} // Anonymous namespace
// Select which of these functions that are used for message boxes. If
@ -83,30 +105,9 @@ std::string GetStringT(const char* string)
bool MsgAlert(bool yes_no, MsgType style, const char* format, ...)
{
// Read message and write it to the log
const char* caption = "";
const char* caption = GetCaption(style);
char buffer[2048];
static const std::string info_caption = s_str_translator(_trans("Information"));
static const std::string warn_caption = s_str_translator(_trans("Question"));
static const std::string ques_caption = s_str_translator(_trans("Warning"));
static const std::string crit_caption = s_str_translator(_trans("Critical"));
switch (style)
{
case MsgType::Information:
caption = info_caption.c_str();
break;
case MsgType::Question:
caption = ques_caption.c_str();
break;
case MsgType::Warning:
caption = warn_caption.c_str();
break;
case MsgType::Critical:
caption = crit_caption.c_str();
break;
}
va_list args;
va_start(args, format);
CharArrayFromFormatV(buffer, sizeof(buffer) - 1, s_str_translator(format).c_str(), args);
@ -123,4 +124,21 @@ bool MsgAlert(bool yes_no, MsgType style, const char* format, ...)
return true;
}
bool MsgAlertFmtImpl(bool yes_no, MsgType style, fmt::string_view format,
const fmt::format_args& args)
{
const char* caption = GetCaption(style);
const auto message = fmt::vformat(format, args);
ERROR_LOG_FMT(MASTER_LOG, "{}: {}", caption, message);
// Don't ignore questions, especially AskYesNo, PanicYesNo could be ignored
if (s_msg_handler != nullptr &&
(s_alert_enabled || style == MsgType::Question || style == MsgType::Critical))
{
return s_msg_handler(caption, message.c_str(), yes_no, style);
}
return true;
}
} // namespace Common