77 lines
1.4 KiB
C
77 lines
1.4 KiB
C
// $XConsortium: c_api_dlp.cc /main/4 1996/06/11 17:27:07 cde-hal $
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#include "oliasdb/c_api_common.h"
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static dlp_smart_ptr*
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getDlpUsingProid(DtMmdbInfoRequest* request)
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{
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try {
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info_base* x = getBookCase(request -> bookcase_descriptor);
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if ( x == 0 ) return 0;
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oid_t * id = getPrimiaryOid(request);
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if ( id ) {
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return new dlp_smart_ptr(x, *id);
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}
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return 0;
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}
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catch (mmdbException &,e)
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{
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return 0;
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} end_try;
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return 0;
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}
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DtMmdbHandle*
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DtMmdbDlpGetPrevSectionId(DtMmdbInfoRequest* request)
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{
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try {
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dlp_smart_ptr* x = getDlpUsingProid(request);
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if ( x == 0 ) return 0;
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DtMmdbHandle *z = 0;
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if ( x -> prev_node_oid() == ground )
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z = DtMmdbGroundId;
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else
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z = newDtMmdbHandle(x -> prev_node_oid());
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delete x;
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return z;
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}
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catch (mmdbException &,e)
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{
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return 0;
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} end_try;
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return 0;
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}
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DtMmdbHandle*
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DtMmdbDlpGetNextSectionId(DtMmdbInfoRequest* request)
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{
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try {
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dlp_smart_ptr* x = getDlpUsingProid(request);
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if ( x == 0 ) return 0;
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DtMmdbHandle *z = 0;
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if ( x -> next_node_oid() == ground)
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z = DtMmdbGroundId;
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else
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z = newDtMmdbHandle(x -> next_node_oid());
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delete x;
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return z;
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}
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catch (mmdbException &,e)
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{
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return 0;
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} end_try;
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return 0;
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}
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