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| author | Eliot Horowitz <eliot@10gen.com> | 2011-12-24 15:33:26 -0500 |
|---|---|---|
| committer | Eliot Horowitz <eliot@10gen.com> | 2011-12-24 15:33:45 -0500 |
| commit | ae1ecd9c786911f9f1f0242f0f7d702b3e5dfeba (patch) | |
| tree | 92f8e1649e6f080b251ff5f1763679a72eb59b34 /src/mongo/db/pipeline/field_path.h | |
| parent | dfa4cd7e2cf109b072440155fabc08a93c8045a0 (diff) | |
| download | mongo-ae1ecd9c786911f9f1f0242f0f7d702b3e5dfeba.tar.gz | |
bulk move of code to src/ SERVER-4551
Diffstat (limited to 'src/mongo/db/pipeline/field_path.h')
| -rwxr-xr-x | src/mongo/db/pipeline/field_path.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/src/mongo/db/pipeline/field_path.h b/src/mongo/db/pipeline/field_path.h new file mode 100755 index 00000000000..810c5d0c7ea --- /dev/null +++ b/src/mongo/db/pipeline/field_path.h @@ -0,0 +1,82 @@ +/**
+ * Copyright (c) 2011 10gen Inc.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3,
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include "pch.h"
+
+namespace mongo {
+
+ class FieldPath {
+ public:
+ virtual ~FieldPath();
+
+ FieldPath(const string &fieldPath);
+ FieldPath();
+
+ /*
+ Get the number of path elements in the field path.
+
+ @returns the number of path elements
+ */
+ size_t getPathLength() const;
+
+ /*
+ Get a particular path element from the path.
+
+ @param i the index of the path element
+ @returns the path element
+ */
+ string getFieldName(size_t i) const;
+
+ /*
+ Get the full path.
+
+ @param fieldPrefix whether or not to include the field prefix
+ @returns the complete field path
+ */
+ string getPath(bool fieldPrefix) const;
+
+ /*
+ Write the full path.
+
+ @param outStream where to write the path to
+ @param fieldPrefix whether or not to include the field prefix
+ */
+ void writePath(ostream &outStream, bool fieldPrefix) const;
+
+ FieldPath &operator=(const FieldPath &rRHS);
+
+ private:
+ vector<string> vFieldName;
+ };
+}
+
+
+/* ======================= INLINED IMPLEMENTATIONS ========================== */
+
+namespace mongo {
+
+ inline size_t FieldPath::getPathLength() const {
+ return vFieldName.size();
+ }
+
+ inline string FieldPath::getFieldName(size_t i) const {
+ return vFieldName[i];
+ }
+
+}
+
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