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authorMatt A. Tobin <email@mattatobin.com>2019-11-03 00:17:46 -0400
committerMatt A. Tobin <email@mattatobin.com>2019-11-03 00:17:46 -0400
commit302bf1b523012e11b60425d6eee1221ebc2724eb (patch)
treeb191a895f8716efcbe42f454f37597a545a6f421 /db/mork/src/morkRowCellCursor.cpp
parent21b3f6247403c06f85e1f45d219f87549862198f (diff)
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Issue #1258 - Part 1: Import mailnews, ldap, and mork from comm-esr52.9.1
Diffstat (limited to 'db/mork/src/morkRowCellCursor.cpp')
-rw-r--r--db/mork/src/morkRowCellCursor.cpp289
1 files changed, 289 insertions, 0 deletions
diff --git a/db/mork/src/morkRowCellCursor.cpp b/db/mork/src/morkRowCellCursor.cpp
new file mode 100644
index 000000000..d5d4a0d20
--- /dev/null
+++ b/db/mork/src/morkRowCellCursor.cpp
@@ -0,0 +1,289 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef _MDB_
+#include "mdb.h"
+#endif
+
+#ifndef _MORK_
+#include "mork.h"
+#endif
+
+#ifndef _MORKNODE_
+#include "morkNode.h"
+#endif
+
+#ifndef _MORKENV_
+#include "morkEnv.h"
+#endif
+
+#ifndef _MORKCURSOR_
+#include "morkCursor.h"
+#endif
+
+#ifndef _MORKROWCELLCURSOR_
+#include "morkRowCellCursor.h"
+#endif
+
+#ifndef _MORKSTORE_
+#include "morkStore.h"
+#endif
+
+#ifndef _MORKROWOBJECT_
+#include "morkRowObject.h"
+#endif
+
+#ifndef _MORKROW_
+#include "morkRow.h"
+#endif
+
+//3456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789
+
+// ````` ````` ````` ````` `````
+// { ===== begin morkNode interface =====
+
+/*public virtual*/ void
+morkRowCellCursor::CloseMorkNode(morkEnv* ev) // CloseRowCellCursor() only if open
+{
+ if ( this->IsOpenNode() )
+ {
+ this->MarkClosing();
+ this->CloseRowCellCursor(ev);
+ this->MarkShut();
+ }
+}
+
+/*public virtual*/
+morkRowCellCursor::~morkRowCellCursor() // CloseRowCellCursor() executed earlier
+{
+ CloseMorkNode(mMorkEnv);
+ MORK_ASSERT(this->IsShutNode());
+}
+
+/*public non-poly*/
+morkRowCellCursor::morkRowCellCursor(morkEnv* ev,
+ const morkUsage& inUsage,
+ nsIMdbHeap* ioHeap, morkRowObject* ioRowObject)
+: morkCursor(ev, inUsage, ioHeap)
+, mRowCellCursor_RowObject( 0 )
+, mRowCellCursor_Col( 0 )
+{
+ if ( ev->Good() )
+ {
+ if ( ioRowObject )
+ {
+ morkRow* row = ioRowObject->mRowObject_Row;
+ if ( row )
+ {
+ if ( row->IsRow() )
+ {
+ mCursor_Pos = -1;
+ mCursor_Seed = row->mRow_Seed;
+
+ morkRowObject::SlotStrongRowObject(ioRowObject, ev,
+ &mRowCellCursor_RowObject);
+ if ( ev->Good() )
+ mNode_Derived = morkDerived_kRowCellCursor;
+ }
+ else
+ row->NonRowTypeError(ev);
+ }
+ else
+ ioRowObject->NilRowError(ev);
+ }
+ else
+ ev->NilPointerError();
+ }
+}
+
+NS_IMPL_ISUPPORTS_INHERITED(morkRowCellCursor, morkCursor, nsIMdbRowCellCursor)
+
+/*public non-poly*/ void
+morkRowCellCursor::CloseRowCellCursor(morkEnv* ev)
+{
+ if ( this->IsNode() )
+ {
+ mCursor_Pos = -1;
+ mCursor_Seed = 0;
+ morkRowObject::SlotStrongRowObject((morkRowObject*) 0, ev,
+ &mRowCellCursor_RowObject);
+ this->CloseCursor(ev);
+ this->MarkShut();
+ }
+ else
+ this->NonNodeError(ev);
+}
+
+// } ===== end morkNode methods =====
+// ````` ````` ````` ````` `````
+
+/*static*/ void
+morkRowCellCursor::NilRowObjectError(morkEnv* ev)
+{
+ ev->NewError("nil mRowCellCursor_RowObject");
+}
+
+/*static*/ void
+morkRowCellCursor::NonRowCellCursorTypeError(morkEnv* ev)
+{
+ ev->NewError("non morkRowCellCursor");
+}
+
+
+//3456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789
+// { ----- begin attribute methods -----
+NS_IMETHODIMP
+morkRowCellCursor::SetRow(nsIMdbEnv* mev, nsIMdbRow* ioRow)
+{
+ nsresult outErr = NS_OK;
+ morkRow* row = 0;
+ morkEnv* ev = morkEnv::FromMdbEnv(mev);
+ if ( ev )
+ {
+ row = (morkRow *) ioRow;
+ morkStore* store = row->GetRowSpaceStore(ev);
+ if ( store )
+ {
+ morkRowObject* rowObj = row->AcquireRowObject(ev, store);
+ if ( rowObj )
+ {
+ morkRowObject::SlotStrongRowObject((morkRowObject*) 0, ev,
+ &mRowCellCursor_RowObject);
+
+ mRowCellCursor_RowObject = rowObj; // take this strong ref
+ mCursor_Seed = row->mRow_Seed;
+
+ row->GetCell(ev, mRowCellCursor_Col, &mCursor_Pos);
+ }
+ }
+ outErr = ev->AsErr();
+ }
+ return outErr;
+}
+
+NS_IMETHODIMP
+morkRowCellCursor::GetRow(nsIMdbEnv* mev, nsIMdbRow** acqRow)
+{
+ nsresult outErr = NS_OK;
+ nsIMdbRow* outRow = 0;
+ morkEnv* ev = morkEnv::FromMdbEnv(mev);
+ if ( ev )
+ {
+ morkRowObject* rowObj = mRowCellCursor_RowObject;
+ if ( rowObj )
+ outRow = rowObj->AcquireRowHandle(ev);
+
+ outErr = ev->AsErr();
+ }
+ if ( acqRow )
+ *acqRow = outRow;
+ return outErr;
+}
+// } ----- end attribute methods -----
+
+// { ----- begin cell creation methods -----
+NS_IMETHODIMP
+morkRowCellCursor::MakeCell( // get cell at current pos in the row
+ nsIMdbEnv* mev, // context
+ mdb_column* outColumn, // column for this particular cell
+ mdb_pos* outPos, // position of cell in row sequence
+ nsIMdbCell** acqCell)
+{
+ nsresult outErr = NS_OK;
+ nsIMdbCell* outCell = 0;
+ mdb_pos pos = 0;
+ mdb_column col = 0;
+ morkRow* row = 0;
+ morkEnv* ev = morkEnv::FromMdbEnv(mev);
+ if ( ev )
+ {
+ pos = mCursor_Pos;
+ morkCell* cell = row->CellAt(ev, pos);
+ if ( cell )
+ {
+ col = cell->GetColumn();
+ outCell = row->AcquireCellHandle(ev, cell, col, pos);
+ }
+ outErr = ev->AsErr();
+ }
+ if ( acqCell )
+ *acqCell = outCell;
+ if ( outPos )
+ *outPos = pos;
+ if ( outColumn )
+ *outColumn = col;
+
+ return outErr;
+}
+// } ----- end cell creation methods -----
+
+// { ----- begin cell seeking methods -----
+NS_IMETHODIMP
+morkRowCellCursor::SeekCell( // same as SetRow() followed by MakeCell()
+ nsIMdbEnv* mev, // context
+ mdb_pos inPos, // position of cell in row sequence
+ mdb_column* outColumn, // column for this particular cell
+ nsIMdbCell** acqCell)
+{
+ NS_ASSERTION(false, "not implemented");
+ return NS_ERROR_NOT_IMPLEMENTED;
+}
+// } ----- end cell seeking methods -----
+
+// { ----- begin cell iteration methods -----
+NS_IMETHODIMP
+morkRowCellCursor::NextCell( // get next cell in the row
+ nsIMdbEnv* mev, // context
+ nsIMdbCell** acqCell, // changes to the next cell in the iteration
+ mdb_column* outColumn, // column for this particular cell
+ mdb_pos* outPos)
+{
+ morkEnv* ev = morkEnv::FromMdbEnv(mev);
+ mdb_column col = 0;
+ mdb_pos pos = mRowCellCursor_Col;
+ if ( pos < 0 )
+ pos = 0;
+ else
+ ++pos;
+
+ morkCell* cell = mRowCellCursor_RowObject->mRowObject_Row->CellAt(ev, pos);
+ if ( cell )
+ {
+ col = cell->GetColumn();
+ *acqCell = mRowCellCursor_RowObject->mRowObject_Row->AcquireCellHandle(ev, cell, col, pos);
+ }
+ else
+ {
+ *acqCell = nullptr;
+ pos = -1;
+ }
+ if ( outPos )
+ *outPos = pos;
+ if ( outColumn )
+ *outColumn = col;
+
+ mRowCellCursor_Col = pos;
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+morkRowCellCursor::PickNextCell( // get next cell in row within filter set
+ nsIMdbEnv* mev, // context
+ nsIMdbCell* ioCell, // changes to the next cell in the iteration
+ const mdbColumnSet* inFilterSet, // col set of actual caller interest
+ mdb_column* outColumn, // column for this particular cell
+ mdb_pos* outPos)
+// Note that inFilterSet should not have too many (many more than 10?)
+// cols, since this might imply a potential excessive consumption of time
+// over many cursor calls when looking for column and filter intersection.
+{
+ NS_ASSERTION(false, "not implemented");
+ return NS_ERROR_NOT_IMPLEMENTED;
+}
+
+// } ----- end cell iteration methods -----
+
+// } ===== end nsIMdbRowCellCursor methods =====
+