- made getValue methods protected, so that they won't be invoked outside
the class - renamed UNKNOWN to UNSPECIED and setUnknownValue to setUnspecifiedValue - added access-mode attributes - added methods for setting and querying access-mode attributes
This commit is contained in:
curt
@@ -32,9 +32,9 @@ SG_USING_STD(ostream);
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#undef ALIAS
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#endif
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#ifdef UNKNOWN
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#pragma warn A sloppy coder has defined UNKNOWN as a macro!
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#undef UNKNOWN
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#ifdef UNSPECIFIED
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#pragma warn A sloppy coder has defined UNSPECIFIED as a macro!
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#undef UNSPECIFIED
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#endif
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#ifdef BOOL
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@@ -473,78 +473,579 @@ private:
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/**
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* A cooked value.
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*
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* This is the value that property-list clients see. It is a
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* persistent layer over the possibly-changing raw value; once a
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* client gets an SGValue from the property manager, the pointer
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* will be good for the life of the property manager itself, no
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* matter how often the pointer is tied or untied.
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* A node in a property tree.
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*/
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class SGValue
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class SGPropertyNode
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{
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public:
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/**
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* Property value types.
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*/
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enum Type {
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NONE,
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ALIAS,
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BOOL,
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INT,
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LONG,
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FLOAT,
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DOUBLE,
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STRING,
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UNKNOWN
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UNSPECIFIED
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};
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SGValue ();
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SGValue (const SGValue &value);
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~SGValue ();
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/**
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* Access mode attributes.
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*
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* <p>The ARCHIVE attribute is strictly advisory, and controls
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* whether the property should normally be saved and restored.</p>
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*/
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enum Attribute {
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READ = 1,
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WRITE = 2,
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ARCHIVE = 4
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};
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/**
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* Default constructor.
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*/
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SGPropertyNode ();
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/**
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* Copy constructor.
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*/
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SGPropertyNode (const SGPropertyNode &node);
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/**
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* Destructor.
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*/
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virtual ~SGPropertyNode ();
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//
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// Basic properties.
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//
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/**
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* Test whether this node contains a primitive leaf value.
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*/
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bool hasValue () const { return (_type != NONE); }
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/**
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* Get the node's simple (XML) name.
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*/
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const string &getName () const { return _name; }
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/**
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* Get the node's integer index.
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*/
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const int getIndex () const { return _index; }
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/**
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* Get a non-const pointer to the node's parent.
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*/
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SGPropertyNode * getParent () { return _parent; }
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/**
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* Get a const pointer to the node's parent.
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*/
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const SGPropertyNode * getParent () const { return _parent; }
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//
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// Children.
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//
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/**
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* Get the number of child nodes.
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*/
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const int nChildren () const { return _children.size(); }
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/**
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* Get a child node by position (*NOT* index).
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*/
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SGPropertyNode * getChild (int position);
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/**
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* Get a const child node by position (*NOT* index).
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*/
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const SGPropertyNode * getChild (int position) const;
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/**
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* Get a child node by name and index.
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*/
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SGPropertyNode * getChild (const string &name, int index = 0,
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bool create = false);
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/**
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* Get a const child node by name and index.
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*/
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const SGPropertyNode * getChild (const string &name, int index = 0) const;
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/**
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* Get a vector of all children with the specified name.
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*/
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vector<SGPropertyNode *> getChildren (const string &name);
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/**
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* Get a vector all all children (const) with the specified name.
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*/
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vector<const SGPropertyNode *> getChildren (const string &name) const;
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//
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// Alias support.
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//
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/**
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* Alias this node's leaf value to another's.
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*/
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bool alias (SGPropertyNode * target);
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/**
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* Alias this node's leaf value to another's by relative path.
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*/
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bool alias (const string &path);
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/**
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* Remove any alias for this node.
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*/
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bool unalias ();
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/**
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* Test whether the node's leaf value is aliased to another's.
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*/
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bool isAlias () const { return (_type == ALIAS); }
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/**
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* Get a non-const pointer to the current alias target, if any.
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*/
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SGPropertyNode * getAliasTarget ();
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/**
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* Get a const pointer to the current alias target, if any.
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*/
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const SGPropertyNode * getAliasTarget () const;
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//
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// Path information.
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//
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/**
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* Get the path to this node from the root.
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*/
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string getPath (bool simplify = false) const;
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/**
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* Get a pointer to the root node.
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*/
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SGPropertyNode * getRootNode ();
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/**
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* Get a const pointer to the root node.
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*/
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const SGPropertyNode * getRootNode () const;
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/**
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* Get a pointer to another node by relative path.
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*/
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SGPropertyNode * getNode (const string &relative_path, bool create = false);
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/**
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* Get a const pointer to another node by relative path.
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*/
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const SGPropertyNode * getNode (const string &relative_path) const;
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//
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// Access Mode.
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//
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/**
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* Check a single mode attribute for the property node.
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*/
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bool getAttribute (Attribute attr) const { return (_attr & attr); }
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/**
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* Set a single mode attribute for the property node.
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*/
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void setAttribute (Attribute attr, bool state) {
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(state ? _attr |= attr : _attr &= ~attr);
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}
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/**
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* Get all of the mode attributes for the property node.
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*/
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int getAttributes () const { return _attr; }
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/**
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* Set all of the mode attributes for the property node.
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*/
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void setAttributes (int attr) { _attr = attr; }
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//
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// Leaf Value (primitive).
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//
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/**
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* Get the type of leaf value, if any, for this node.
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*/
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Type getType () const;
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SGValue * getAlias ();
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const SGValue * getAlias () const;
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bool alias (SGValue * alias);
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bool unalias ();
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bool isAlias () const { return _type == ALIAS; }
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/**
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* Get a bool value for this node.
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*/
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bool getBoolValue () const;
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/**
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* Get an int value for this node.
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*/
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int getIntValue () const;
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/**
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* Get a long int value for this node.
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*/
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long getLongValue () const;
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/**
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* Get a float value for this node.
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*/
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float getFloatValue () const;
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/**
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* Get a double value for this node.
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*/
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double getDoubleValue () const;
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/**
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* Get a string value for this node.
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*/
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string getStringValue () const;
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bool setBoolValue (bool value);
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bool setIntValue (int value);
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bool setLongValue (long value);
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bool setFloatValue (float value);
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bool setDoubleValue (double value);
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bool setStringValue (string value);
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bool setUnknownValue (string value);
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/**
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* Set a bool value for this node.
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*/
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bool setBoolValue (bool value);
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/**
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* Set an int value for this node.
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*/
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bool setIntValue (int value);
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/**
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* Set a long int value for this node.
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*/
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bool setLongValue (long value);
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/**
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* Set a float value for this node.
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*/
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bool setFloatValue (float value);
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/**
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* Set a double value for this node.
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*/
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bool setDoubleValue (double value);
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/**
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* Set a string value for this node.
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*/
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bool setStringValue (string value);
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/**
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* Set a value of unspecified type for this node.
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*/
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bool setUnspecifiedValue (string value);
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//
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// Data binding.
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//
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/**
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* Test whether this node is bound to an external data source.
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*/
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bool isTied () const { return _tied; }
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/**
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* Bind this node to an external bool source.
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*/
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bool tie (const SGRawValue<bool> &rawValue, bool useDefault = true);
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/**
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* Bind this node to an external int source.
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*/
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bool tie (const SGRawValue<int> &rawValue, bool useDefault = true);
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/**
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* Bind this node to an external long int source.
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*/
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bool tie (const SGRawValue<long> &rawValue, bool useDefault = true);
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/**
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* Bind this node to an external float source.
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*/
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bool tie (const SGRawValue<float> &rawValue, bool useDefault = true);
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/**
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* Bind this node to an external double source.
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*/
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bool tie (const SGRawValue<double> &rawValue, bool useDefault = true);
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/**
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* Bind this node to an external string source.
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*/
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bool tie (const SGRawValue<string> &rawValue, bool useDefault = true);
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/**
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* Unbind this node from any external data source.
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*/
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bool untie ();
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//
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// Convenience methods using paths.
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// TODO: add attribute methods
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//
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/**
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* Get another node's type.
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*/
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Type getType (const string &relative_path) const;
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/**
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* Test whether another node has a leaf value.
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*/
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bool hasValue (const string &relative_path) const;
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/**
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* Get another node's value as a bool.
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*/
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bool getBoolValue (const string &relative_path,
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bool defaultValue = false) const;
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/**
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* Get another node's value as an int.
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*/
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int getIntValue (const string &relative_path,
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int defaultValue = 0) const;
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/**
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* Get another node's value as a long int.
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*/
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||||
long getLongValue (const string &relative_path,
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long defaultValue = 0L) const;
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||||
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||||
/**
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* Get another node's value as a float.
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||||
*/
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float getFloatValue (const string &relative_path,
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float defaultValue = 0.0) const;
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/**
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* Get another node's value as a double.
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*/
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double getDoubleValue (const string &relative_path,
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double defaultValue = 0.0L) const;
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/**
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* Get another node's value as a string.
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*/
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string getStringValue (const string &relative_path,
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string defaultValue = "") const;
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/**
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* Set another node's value as a bool.
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*/
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bool setBoolValue (const string &relative_path, bool value);
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||||
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/**
|
||||
* Set another node's value as an int.
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*/
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bool setIntValue (const string &relative_path, int value);
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||||
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/**
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* Set another node's value as a long int.
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*/
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||||
bool setLongValue (const string &relative_path, long value);
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||||
|
||||
|
||||
/**
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* Set another node's value as a float.
|
||||
*/
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||||
bool setFloatValue (const string &relative_path, float value);
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||||
|
||||
|
||||
/**
|
||||
* Set another node's value as a double.
|
||||
*/
|
||||
bool setDoubleValue (const string &relative_path, double value);
|
||||
|
||||
|
||||
/**
|
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* Set another node's value as a string.
|
||||
*/
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||||
bool setStringValue (const string &relative_path, string value);
|
||||
|
||||
|
||||
/**
|
||||
* Set another node's value with no specified type.
|
||||
*/
|
||||
bool setUnspecifiedValue (const string &relative_path, string value);
|
||||
|
||||
|
||||
/**
|
||||
* Test whether another node is bound to an external data source.
|
||||
*/
|
||||
bool isTied (const string &relative_path) const;
|
||||
|
||||
|
||||
/**
|
||||
* Bind another node to an external bool source.
|
||||
*/
|
||||
bool tie (const string &relative_path, const SGRawValue<bool> &rawValue,
|
||||
bool useDefault = true);
|
||||
|
||||
|
||||
/**
|
||||
* Bind another node to an external int source.
|
||||
*/
|
||||
bool tie (const string &relative_path, const SGRawValue<int> &rawValue,
|
||||
bool useDefault = true);
|
||||
|
||||
|
||||
/**
|
||||
* Bind another node to an external long int source.
|
||||
*/
|
||||
bool tie (const string &relative_path, const SGRawValue<long> &rawValue,
|
||||
bool useDefault = true);
|
||||
|
||||
|
||||
/**
|
||||
* Bind another node to an external float source.
|
||||
*/
|
||||
bool tie (const string &relative_path, const SGRawValue<float> &rawValue,
|
||||
bool useDefault = true);
|
||||
|
||||
|
||||
/**
|
||||
* Bind another node to an external double source.
|
||||
*/
|
||||
bool tie (const string &relative_path, const SGRawValue<double> &rawValue,
|
||||
bool useDefault = true);
|
||||
|
||||
|
||||
/**
|
||||
* Bind another node to an external string source.
|
||||
*/
|
||||
bool tie (const string &relative_path, const SGRawValue<string> &rawValue,
|
||||
bool useDefault = true);
|
||||
|
||||
|
||||
/**
|
||||
* Unbind another node from any external data source.
|
||||
*/
|
||||
bool untie (const string &relative_path);
|
||||
|
||||
|
||||
protected:
|
||||
|
||||
|
||||
/**
|
||||
* Protected constructor for making new nodes on demand.
|
||||
*/
|
||||
SGPropertyNode (const string &name, int index, SGPropertyNode * parent);
|
||||
|
||||
|
||||
private:
|
||||
|
||||
enum {
|
||||
ALIAS = -1
|
||||
};
|
||||
|
||||
/**
|
||||
* Clear any existing value and set the type to NONE.
|
||||
*/
|
||||
void clear_value ();
|
||||
|
||||
int _type;
|
||||
string _name;
|
||||
int _index;
|
||||
SGPropertyNode * _parent;
|
||||
vector<SGPropertyNode *> _children;
|
||||
|
||||
|
||||
Type _type;
|
||||
bool _tied;
|
||||
int _attr;
|
||||
|
||||
// The right kind of pointer...
|
||||
union {
|
||||
SGValue * alias;
|
||||
SGPropertyNode * alias;
|
||||
SGRawValue<bool> * bool_val;
|
||||
SGRawValue<int> * int_val;
|
||||
SGRawValue<long> * long_val;
|
||||
@@ -553,163 +1054,6 @@ private:
|
||||
SGRawValue<string> * string_val;
|
||||
} _value;
|
||||
|
||||
};
|
||||
|
||||
|
||||
|
||||
/**
|
||||
* A node in a property tree.
|
||||
*/
|
||||
class SGPropertyNode
|
||||
{
|
||||
|
||||
public:
|
||||
|
||||
/**
|
||||
* Property value types.
|
||||
*
|
||||
* Right now, this duplicates SGValue::Type, but SGValue will be
|
||||
* disappearing soon.
|
||||
*/
|
||||
enum Type {
|
||||
BOOL,
|
||||
INT,
|
||||
LONG,
|
||||
FLOAT,
|
||||
DOUBLE,
|
||||
STRING,
|
||||
UNKNOWN
|
||||
};
|
||||
|
||||
SGPropertyNode ();
|
||||
virtual ~SGPropertyNode ();
|
||||
|
||||
// Basic properties.
|
||||
bool hasValue () const { return (_value != 0); }
|
||||
SGValue * getValue () { return _value; }
|
||||
SGValue * getValue (bool create);
|
||||
const SGValue * getValue () const { return _value; }
|
||||
const string &getName () const { return _name; }
|
||||
const int getIndex () const { return _index; }
|
||||
SGPropertyNode * getParent () { return _parent; }
|
||||
const SGPropertyNode * getParent () const { return _parent; }
|
||||
|
||||
// Alias support.
|
||||
bool alias (SGPropertyNode * target);
|
||||
bool alias (const string &path);
|
||||
bool unalias ();
|
||||
bool isAlias () const;
|
||||
SGPropertyNode * getAliasTarget ();
|
||||
const SGPropertyNode * getAliasTarget () const;
|
||||
|
||||
// Children.
|
||||
const int nChildren () const { return _children.size(); }
|
||||
SGPropertyNode * getChild (int position);
|
||||
const SGPropertyNode * getChild (int position) const;
|
||||
SGPropertyNode * getChild (const string &name, int index = 0,
|
||||
bool create = false);
|
||||
const SGPropertyNode * getChild (const string &name, int index = 0) const;
|
||||
|
||||
vector<SGPropertyNode *> getChildren (const string &name);
|
||||
vector<const SGPropertyNode *> getChildren (const string &name) const;
|
||||
|
||||
// Path information.
|
||||
string getPath (bool simplify = false) const;
|
||||
|
||||
// Relative or absolute paths.
|
||||
SGPropertyNode * getRootNode ();
|
||||
const SGPropertyNode * getRootNode () const;
|
||||
SGPropertyNode * getNode (const string &relative_path, bool create = false);
|
||||
const SGPropertyNode * getNode (const string &relative_path) const;
|
||||
|
||||
// Value-related stuff.
|
||||
Type getType () const;
|
||||
|
||||
bool getBoolValue () const;
|
||||
int getIntValue () const;
|
||||
long getLongValue () const;
|
||||
float getFloatValue () const;
|
||||
double getDoubleValue () const;
|
||||
string getStringValue () const;
|
||||
|
||||
bool setBoolValue (bool value);
|
||||
bool setIntValue (int value);
|
||||
bool setLongValue (long value);
|
||||
bool setFloatValue (float value);
|
||||
bool setDoubleValue (double value);
|
||||
bool setStringValue (string value);
|
||||
bool setUnknownValue (string value);
|
||||
|
||||
bool isTied () const;
|
||||
|
||||
bool tie (const SGRawValue<bool> &rawValue, bool useDefault = true);
|
||||
bool tie (const SGRawValue<int> &rawValue, bool useDefault = true);
|
||||
bool tie (const SGRawValue<long> &rawValue, bool useDefault = true);
|
||||
bool tie (const SGRawValue<float> &rawValue, bool useDefault = true);
|
||||
bool tie (const SGRawValue<double> &rawValue, bool useDefault = true);
|
||||
bool tie (const SGRawValue<string> &rawValue, bool useDefault = true);
|
||||
|
||||
bool untie ();
|
||||
|
||||
// Values from paths.
|
||||
Type getType (const string &relative_path) const;
|
||||
|
||||
bool getBoolValue (const string &relative_path,
|
||||
bool defaultValue = false) const;
|
||||
int getIntValue (const string &relative_path,
|
||||
int defaultValue = 0) const;
|
||||
long getLongValue (const string &relative_path,
|
||||
long defaultValue = 0L) const;
|
||||
float getFloatValue (const string &relative_path,
|
||||
float defaultValue = 0.0) const;
|
||||
double getDoubleValue (const string &relative_path,
|
||||
double defaultValue = 0.0L) const;
|
||||
string getStringValue (const string &relative_path,
|
||||
string defaultValue = "") const;
|
||||
|
||||
bool setBoolValue (const string &relative_path, bool value);
|
||||
bool setIntValue (const string &relative_path, int value);
|
||||
bool setLongValue (const string &relative_path, long value);
|
||||
bool setFloatValue (const string &relative_path, float value);
|
||||
bool setDoubleValue (const string &relative_path, double value);
|
||||
bool setStringValue (const string &relative_path, string value);
|
||||
bool setUnknownValue (const string &relative_path, string value);
|
||||
|
||||
bool isTied (const string &relative_path) const;
|
||||
|
||||
bool tie (const string &relative_path, const SGRawValue<bool> &rawValue,
|
||||
bool useDefault = true);
|
||||
bool tie (const string &relative_path, const SGRawValue<int> &rawValue,
|
||||
bool useDefault = true);
|
||||
bool tie (const string &relative_path, const SGRawValue<long> &rawValue,
|
||||
bool useDefault = true);
|
||||
bool tie (const string &relative_path, const SGRawValue<float> &rawValue,
|
||||
bool useDefault = true);
|
||||
bool tie (const string &relative_path, const SGRawValue<double> &rawValue,
|
||||
bool useDefault = true);
|
||||
bool tie (const string &relative_path, const SGRawValue<string> &rawValue,
|
||||
bool useDefault = true);
|
||||
|
||||
bool untie (const string &relative_path);
|
||||
|
||||
protected:
|
||||
|
||||
SGPropertyNode (const string &name, int index, SGPropertyNode * parent);
|
||||
|
||||
private:
|
||||
|
||||
bool hasValue (const string &relative_path) const;
|
||||
SGValue * getValue (const string &relative_path, bool create = false);
|
||||
const SGValue * getValue (const string &relative_path) const;
|
||||
|
||||
SGPropertyNode (const SGPropertyNode &node) {}
|
||||
|
||||
SGValue * _value;
|
||||
string _name;
|
||||
int _index;
|
||||
SGPropertyNode * _parent;
|
||||
vector<SGPropertyNode *> _children;
|
||||
mutable SGPropertyNode * _target;
|
||||
|
||||
};
|
||||
|
||||
@@ -719,11 +1063,35 @@ private:
|
||||
// I/O functions.
|
||||
////////////////////////////////////////////////////////////////////////
|
||||
|
||||
|
||||
/**
|
||||
* Read properties from an XML input stream.
|
||||
*/
|
||||
bool readProperties (istream &input, SGPropertyNode * start_node,
|
||||
const string &base = "");
|
||||
|
||||
|
||||
/**
|
||||
* Read properties from an XML file.
|
||||
*/
|
||||
bool readProperties (const string &file, SGPropertyNode * start_node);
|
||||
|
||||
|
||||
/**
|
||||
* Write properties to an XML output stream.
|
||||
*/
|
||||
bool writeProperties (ostream &output, const SGPropertyNode * start_node);
|
||||
|
||||
|
||||
/**
|
||||
* Write properties to an XML file.
|
||||
*/
|
||||
bool writeProperties (const string &file, const SGPropertyNode * start_node);
|
||||
|
||||
|
||||
/**
|
||||
* Copy properties from one node to another.
|
||||
*/
|
||||
bool copyProperties (const SGPropertyNode *in, SGPropertyNode *out);
|
||||
|
||||
|
||||
|
||||
Reference in New Issue
Block a user