nerdcruft/libcruft-util
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Add simple json::object accessors

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This commit is contained in:
Danny Robson 2012-04-19 16:44:35 +10:00
parent e618fb4236
commit cd9762a94a
2 changed files with 37 additions and 2 deletions
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25
json.cpp.rl
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@ -384,6 +384,31 @@ json::object::operator[](const std::string &key) const {
}
void
json::object::clear (void)
{ m_values.clear (); }
void
json::object::erase (const std::string &key) {
auto pos = m_values.find (key);
if (pos == m_values.end ())
throw json::error ("erasing invalid key");
m_values.erase (key);
}
json::object::const_iterator
json::object::begin (void) const
{ return m_values.begin (); }
json::object::const_iterator
json::object::end (void) const
{ return m_values.end (); }
std::ostream&
json::object::write (std::ostream &os) const {
os << "{\n";

14
json.hpp
View File

@ -87,7 +87,11 @@ namespace json {
/// Represents a JSON object, and contains its children.
class object : public node {
protected:
std::map<std::string, std::unique_ptr<node>> m_values;
typedef std::map<std::string, std::unique_ptr<node>> value_store;
typedef value_store::iterator iterator;
typedef value_store::const_iterator const_iterator;
value_store m_values;
public:
object () { ; }
@ -99,9 +103,15 @@ namespace json {
virtual bool operator==(const node &rhs) const
{ return rhs == *this; }
virtual void insert (const std::string &_key, std::unique_ptr<node>&& value);
virtual void insert (const std::string &key, std::unique_ptr<node>&& value);
virtual const node& operator[](const std::string &key) const;
virtual void clear (void);
virtual void erase (const std::string &key);
virtual const_iterator begin (void) const;
virtual const_iterator end (void) const;
virtual std::ostream& write (std::ostream &os) const;
};