iterator for XML trees More...

#include <xmlstorage.h>

Collaboration diagram for XMLStorage::const_XMLPos:

Public Member Functions
	const_XMLPos (const XMLNode *root)

	const_XMLPos (const const_XMLPos &other)

	const_XMLPos (const XMLPos &other)

const XMLNode &	cur () const
	access to current node More...

	operator const XMLNode * () const
	automatic access to current node More...

const XMLNode *	operator-> () const

const XMLNode &	operator* () const

XS_String	get (const XS_String &attr_name) const
	attribute access More...

template<typename T >
XS_String	get (const T &attr_name) const
	index operator attribute access More...

XS_String	operator[] (const XS_String &attr_name) const

bool	back ()
	go back to previous position More...

bool	go_down ()
	go down to first child More...

bool	go_down (const XS_String &child_name, int n=0)
	search for child and go down More...

bool	iterate (const XS_String &child_name, size_t &cnt)
	iterate to the next matching child More...

bool	go (const XPath &xpath)
	move to the position defined by xpath in XML tree More...

const XS_String &	str () const

Protected Member Functions
void	go_to (const XMLNode *child)
	go to specified node More...

Protected Attributes
const XMLNode *	_root

const XMLNode *	_cur

std::stack< const XMLNode * >	_stack

Detailed Description

iterator for XML trees

Definition at line 1795 of file xmlstorage.h.

Constructor & Destructor Documentation

XMLStorage::const_XMLPos::const_XMLPos ( const XMLNode * root )

inline

Definition at line 1797 of file xmlstorage.h.

      :  _root(root),
         _cur(root)
     {
     }

XMLStorage::const_XMLPos::const_XMLPos ( const const_XMLPos & other )

inline

Definition at line 1803 of file xmlstorage.h.

      :  _root(other._root),
         _cur(other._cur)
     {   // don't copy _stack
     }

XMLStorage::const_XMLPos::const_XMLPos ( const XMLPos & other )

inline

Definition at line 1809 of file xmlstorage.h.

      :  _root(other._root),
         _cur(other._cur)
     {   // don't copy _stack
     }

Member Function Documentation

bool XMLStorage::const_XMLPos::back ( )

inline

go back to previous position

Definition at line 1839 of file xmlstorage.h.

     {
         if (!_stack.empty()) {
             _cur = _stack.top();
             _stack.pop();
             return true;
         } else
             return false;
     }

const XMLNode& XMLStorage::const_XMLPos::cur ( ) const

inline

access to current node

Definition at line 1816 of file xmlstorage.h.

     {
         return *_cur;
     }

XS_String XMLStorage::const_XMLPos::get ( const XS_String & attr_name ) const

inline

attribute access

Definition at line 1829 of file xmlstorage.h.

Referenced by XMLStorage::read_option().

     {
         return _cur->get(attr_name);
     }

template<typename T >

XS_String XMLStorage::const_XMLPos::get ( const T & attr_name ) const

inline

index operator attribute access

Definition at line 1835 of file xmlstorage.h.

1835 {return _cur->get(attr_name);}

XMLStorage::const_XMLPos::_cur

const XMLNode * _cur

Definition: xmlstorage.h:1907

XMLStorage::XMLNode::get

XS_String get(const T &attr_name, LPCXSSTR def=XS_EMPTY_STR) const

read only access to an attribute

Definition: xmlstorage.h:1095

bool XMLStorage::const_XMLPos::go ( const XPath & xpath )

move to the position defined by xpath in XML tree

Definition at line 128 of file xmlstorage.cpp.

 {
     const XMLNode* node = xpath._absolute? _root: _cur;
 
     node = node->find_relative(xpath);
 
     if (node) {
         go_to(node);
         return true;
     } else
         return false;
 }

bool XMLStorage::const_XMLPos::go_down ( )

inline

go down to first child

Definition at line 1850 of file xmlstorage.h.

     {
         const XMLNode* node = _cur->get_first_child();
 
         if (node) {
             go_to(node);
             return true;
         } else
             return false;
     }

bool XMLStorage::const_XMLPos::go_down	(	const XS_String &	child_name,
		int	n = `0`
	)

inline

search for child and go down

Definition at line 1862 of file xmlstorage.h.

     {
         const XMLNode* node = XPathElement(child_name, n).const_find(_cur);
 
         if (node) {
             go_to(node);
             return true;
         } else
             return false;
     }

void XMLStorage::const_XMLPos::go_to ( const XMLNode * child )

inlineprotected

go to specified node

Definition at line 1911 of file xmlstorage.h.

Referenced by go(), go_down(), and iterate().

     {
         _stack.push(_cur);
         _cur = child;
     }

bool XMLStorage::const_XMLPos::iterate	(	const XS_String &	child_name,
		size_t &	cnt
	)

inline

iterate to the next matching child

Definition at line 1874 of file xmlstorage.h.

     {
         const XMLNode* node = XPathElement(child_name, cnt).const_find(_cur);
 
         if (node) {
             go_to(node);
             ++cnt;
             return true;
         } else
             return false;
     }