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add toString()

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This commit is contained in:
Aleksandar Fabijanic 2013-04-03 22:03:39 -05:00
parent 26c1131053
commit d0ff7ccf7c
1 changed files with 21 additions and 3 deletions
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24
Foundation/include/Poco/Dynamic/Var.h
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@ -510,12 +510,30 @@ public:
bool isString() const;
/// Returns true if stored value is std::string.
std::string toString() const
/// Returns the stored value as string.
{
VarHolder* pHolder = content();
if (!pHolder)
throw InvalidAccessException("Can not convert empty value.");
if (typeid(std::string) == pHolder->type())
return extract<std::string>();
else
{
std::string result;
pHolder->convert(result);
return result;
}
}
static Var parse(const std::string& val);
/// Parses the string which must be in JSON format
static std::string toString(const Var& any);
/// Converts the Var to a string in JSON format. Note that toString will return
/// a different result than any.convert<std::string>()!
static std::string toString(const Var& var);
/// Converts the Var to a string in JSON format. Note that toString(const Var&) will return
/// a different result than Var::convert<std::string>() and Var::toString()!
private:
static Var parse(const std::string& val, std::string::size_type& offset);