/* OpenDBRead
* VOpenDBRead
* open a database for read
*
* "db" [ OUT ] - return parameter for newly opened database
*
* "path" [ IN ] - NUL terminated string in
* wd-native character set giving path to database
*/
static
rc_t KDBManagerVOpenDBReadInt ( const KDBManager *self,
const KDatabase **dbp, const KDirectory *wd,
const char *path, va_list args )
{
/* generate absolute path to db */
char dbpath [ 4096 ];
rc_t rc = KDirectoryVResolvePath ( wd, true,
dbpath, sizeof dbpath, path, args );
if ( rc == 0 )
{
KDatabase *db;
const KDirectory *dir;
/* open the directory if its a database */
rc = KDBOpenPathTypeRead ( wd, dbpath, &dir, kptDatabase, NULL );
if ( rc == 0 )
{
/* allocate a new guy */
rc = KDatabaseMake ( & db, dir, dbpath );
if ( rc == 0 )
{
db -> mgr = KDBManagerAttach ( self );
* dbp = db;
return 0;
}
KDirectoryRelease ( dir );
}
}
return rc;
}
/* OpenColumnRead
* VOpenColumnRead
* open a column for read
*
* "col" [ OUT ] - return parameter for newly opened column
*
* "path" [ IN ] - NUL terminated string in UTF-8 giving path to col
* where "." acts as a structure name separator, i.e. struct.member
*/
static
rc_t KDBManagerVOpenColumnReadInt ( const KDBManager *self,
const KColumn **colp, const KDirectory *wd, bool try_srapath,
const char *path, va_list args )
{
char colpath [ 4096 ];
rc_t rc;
size_t z;
/* rc = KDirectoryVResolvePath ( wd, 1,
colpath, sizeof colpath, path, args ); */
rc = string_vprintf( colpath, sizeof colpath, &z, path, args );
if ( rc == 0 )
{
KColumn *col;
const KDirectory *dir;
/* open table directory */
rc = KDBOpenPathTypeRead ( self, wd, colpath, &dir, kptColumn, NULL, try_srapath );
if ( rc == 0 )
{
rc = KColumnMakeRead ( & col, dir, colpath );
if ( rc == 0 )
{
col -> mgr = KDBManagerAttach ( self );
* colp = col;
return 0;
}
KDirectoryRelease ( dir );
}
}
return rc;
}
static
rc_t KDBManagerInsertDatabase ( KDBManager * self, KDatabase * db )
{
rc_t rc;
rc = KDBManagerOpenObjectAdd (self, &db->sym);
if ( rc == 0 )
db -> mgr = KDBManagerAttach ( self );
return rc;
}
/* OpenTableRead
* VOpenTableRead
* open a table for read
*
* "tbl" [ OUT ] - return parameter for newly opened table
*
* "path" [ IN ] - NUL terminated string in
* wd-native character set giving path to table
*/
static
rc_t KDBManagerVOpenTableReadInt ( const KDBManager *self,
const KTable **tblp, const KDirectory *wd, bool try_srapath,
const char *path, va_list args )
{
rc_t rc;
char tblpath [ 4096 ];
int z = ( args == NULL ) ?
snprintf ( tblpath, sizeof tblpath, "%s", path ):
vsnprintf ( tblpath, sizeof tblpath, path, args );
if ( z < 0 || ( size_t ) z >= sizeof tblpath )
rc = RC ( rcDB, rcMgr, rcOpening, rcPath, rcExcessive );
else
{
KTable *tbl;
const KDirectory *dir;
bool prerelease = false;
rc = KDBOpenPathTypeRead ( self, wd, tblpath, &dir, kptTable, NULL, try_srapath );
if ( rc != 0 )
{
prerelease = true;
rc = KDBOpenPathTypeRead ( self, wd, tblpath, &dir, kptPrereleaseTbl, NULL, try_srapath );
}
if ( rc == 0 )
{
rc = KTableMake ( & tbl, dir, tblpath );
if ( rc == 0 )
{
tbl -> mgr = KDBManagerAttach ( self );
tbl -> prerelease = prerelease;
* tblp = tbl;
return 0;
}
KDirectoryRelease ( dir );
}
}
return rc;
}
