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Add defaultValue argument to Rules::getInteger

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The defaultValue can be used for callers who do not want 0 to be
returned when conversion fails since strtoimax returns 0 when the
conversion fails.
This commit is contained in:
Jelle van der Waa 2016-09-05 22:06:00 +02:00 • committed by Paul Beckingham
parent 6557814909
commit c33a3a9d9a
2 changed files with 9 additions and 5 deletions
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12
src/Rules.cpp
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@ -149,13 +149,17 @@ std::string Rules::get (const std::string& key) const
}
////////////////////////////////////////////////////////////////////////////////
int Rules::getInteger (const std::string& key) const
int Rules::getInteger (const std::string& key, int defaultValue) const
{
auto found = _settings.find (key);
if (found != _settings.end ())
return strtoimax (found->second.c_str (), nullptr, 10);
if (found != _settings.end ()) {
int tmp = strtoimax (found->second.c_str (), nullptr, 10);
// If conversion has performed, return the conversion.
if (tmp != 0)
return tmp;
}
return 0;
return defaultValue;
}
////////////////////////////////////////////////////////////////////////////////

2
src/Rules.h
View file

@ -41,7 +41,7 @@ public:
bool has (const std::string&) const;
std::string get (const std::string&) const;
int getInteger (const std::string&) const;
int getInteger (const std::string&, int defaultValue = 0) const;
double getReal (const std::string&) const;
bool getBoolean (const std::string&) const;