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cdesktop/cde/programs/dtdocbook/infolib/BookCaseDB.C
2022-01-26 19:50:11 +08:00

104 lines
3.0 KiB
C

/*
* CDE - Common Desktop Environment
*
* Copyright (c) 1993-2012, The Open Group. All rights reserved.
*
* These libraries and programs are free software; you can
* redistribute them and/or modify them under the terms of the GNU
* Lesser General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* These libraries and programs are distributed in the hope that
* they will be useful, but WITHOUT ANY WARRANTY; without even the
* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with these libraries and programs; if not, write
* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
* Floor, Boston, MA 02110-1301 USA
*/
/* $XConsortium: BookCaseDB.C /main/4 1996/10/26 18:17:13 cde-hal $ */
#include "BookCaseDB.h"
#include <assert.h>
/*--------------------------------------------------------------------
*
* The BookCase is represented as a database (a directory) containing
* several tables (files).
*
* As the tables are shared by many tasks within the bookcase task,
* they are accessed through the bookcase, and created here...
*
*--------------------------------------------------------------------*/
/* This will be placed in a global .h file eventually */
#define LINK_CODE 1333
BookCaseDB::BookCaseDB(const char *dir)
: DB(dir)
{
for(int i = 0; i < TableQty; i++){
f_tables[i] = NULL;
}
}
//--------------------------------------------------------------------
struct Schema{
int id;
const char *name;
int code;
int cols;
};
#define ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0]))
//--------------------------------------------------------------------
DBTable*
BookCaseDB::table(int tid, int a)
{
static Schema schema[] = {
{ BookMeta, "BookMeta", DOC_CODE, 6 },
{ NodeMeta, "NodeMeta", NODE_CODE, 8 },
{ NodeSGML, "NodeSGML", SGML_CONTENT_CODE, 3 },
{ Link, "Link", LINK_CODE, 3 },
{ Locator, "Locator", LOCATOR_CODE, 5 },
{ TOCTree, "ContentsTree", TOC_CODE, 5 },
{ TOCPath, "ContentsPath", DLP_CODE, 4 },
{ Graphics, "Graphics", GRAPHIC_CODE, 7 },
{ StyleSheet, "StyleSheet", NODE_CODE, 3 },
{ XRef, "XRef", XREF_CODE, 4 },
};
assert(tid >= 0 && tid < TableQty);
assert(schema[tid].id == tid); /* just be sure the code doesn't get out
* of sync.
*/
if(!f_tables[tid]){
f_tables[tid] = DB::table(schema[tid].name,
schema[tid].code,
schema[tid].cols,
a);
}
return f_tables[tid];
}
BookCaseDB::~BookCaseDB()
{
for( int i = 0; i < TableQty; i++ ) {
if ( f_tables[i] ) {
delete f_tables[i]; f_tables[i] = 0;
}
}
}