NekoCWD/libcamera
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cam: options: Add explicit conversion methods to OptionValue

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The OptionValue class defines operators to convert the variant to all
the supported option types. As a convenience, add explicit methods to
perform the same operations, avoiding the need to write long
static_cast<>() statements in the caller.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
This commit is contained in:
Laurent Pinchart 2019-02-01 11:26:50 +02:00
parent 86a7b45bdb
commit 3fd5ade00c
2 changed files with 21 additions and 2 deletions
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19
src/cam/options.cpp
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@ -273,6 +273,21 @@ OptionValue::OptionValue(const KeyValueParser::Options &value)
}
OptionValue::operator int() const
{
return toInteger();
}
OptionValue::operator std::string() const
{
return toString();
}
OptionValue::operator KeyValueParser::Options() const
{
return toKeyValues();
}
int OptionValue::toInteger() const
{
if (type_ != OptionInteger)
return 0;
@ -280,7 +295,7 @@ OptionValue::operator int() const
return integer_;
}
OptionValue::operator std::string() const
std::string OptionValue::toString() const
{
if (type_ != OptionString)
return std::string();
@ -288,7 +303,7 @@ OptionValue::operator std::string() const
return string_;
}
OptionValue::operator KeyValueParser::Options() const
KeyValueParser::Options OptionValue::toKeyValues() const
{
if (type_ != OptionKeyValue)
return KeyValueParser::Options();

4
src/cam/options.h
View file

@ -91,6 +91,10 @@ public:
operator std::string() const;
operator KeyValueParser::Options() const;
int toInteger() const;
std::string toString() const;
KeyValueParser::Options toKeyValues() const;
private:
OptionType type_;
int integer_;