120 lines
2.4 KiB
C
120 lines
2.4 KiB
C
// $XConsortium: collectionIterator.cc /main/4 1996/06/11 17:28:28 cde-hal $
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#include "oliasdb/collectionIterator.h"
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#include "oliasdb/olias_consts.h"
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#include "oliasdb/node_hd.h"
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#include "oliasdb/stylesheet_hd.h"
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#include "oliasdb/graphic_hd.h"
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#include "oliasdb/locator_hd.h"
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collectionIterator::collectionIterator(info_base* base, int position) :
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f_set_ptr(base -> get_set(position)), f_base(base), f_index(-1)
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{
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if ( f_set_ptr == 0 )
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throw(stringException("can't find set"));
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}
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collectionIterator::~collectionIterator()
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{
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}
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unsigned int collectionIterator::operator++()
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{
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if ( f_index == -1 ) {
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f_index = 0;
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return 1;
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}
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if ( f_index == -2 ) {
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MESSAGE(cerr, "can't advance iterator any more");
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return 0;
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}
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if ( (*f_set_ptr) -> count() - 1 == f_index ) {
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f_index = -2;
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return 0;
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} else {
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f_index++;
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return 1;
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}
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}
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oid_t collectionIterator::get_oid(int index)
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{
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c_index_handler* x = (*f_set_ptr) -> get_index_ptr(index);
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if ( x == 0 )
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throw(stringException("bad internal index"));
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return (*x) -> first_of_invlist(f_index);
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}
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nodeCollectionIterator::nodeCollectionIterator(info_base* base) :
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collectionIterator(base, NODE_SET_POS)
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{
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}
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nodeCollectionIterator::~nodeCollectionIterator()
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{
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}
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const char* nodeCollectionIterator::get_locator()
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{
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oid_t id = get_oid(1);
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node_smart_ptr node(f_base, id);
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return node.locator();
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}
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stylesheetCollectionIterator::stylesheetCollectionIterator(info_base* base) :
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collectionIterator(base, STYLESHEET_SET_POS)
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{
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}
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stylesheetCollectionIterator::~stylesheetCollectionIterator()
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{
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}
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const char* stylesheetCollectionIterator::get_locator()
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{
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oid_t id = get_oid(1);
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stylesheet_smart_ptr ss(f_base, id);
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return ss.name();
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}
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graphicCollectionIterator::graphicCollectionIterator(info_base* base) :
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collectionIterator(base, GRAPHIC_SET_POS)
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{
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}
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graphicCollectionIterator::~graphicCollectionIterator()
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{
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}
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const char* graphicCollectionIterator::get_locator()
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{
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oid_t id = get_oid(1);
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graphic_smart_ptr gr(f_base, id);
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return gr.locator();
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}
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locatorCollectionIterator::locatorCollectionIterator(info_base* base) :
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collectionIterator(base, LOCATOR_SET_POS)
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{
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}
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locatorCollectionIterator::~locatorCollectionIterator()
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{
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}
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const char* locatorCollectionIterator::get_locator()
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{
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oid_t id = get_oid(1);
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locator_smart_ptr lc(f_base, id);
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return lc.inside_node_locator_str();
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}
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