Revert "SERVER-52538 Merge Collation and CollationSpec classes"

This reverts commit 780295a9322938abbb1c5f9abbb2b22a4f707357.

1 files changed, 110 insertions, 0 deletions

diff --git a/src/mongo/db/query/collation/collation_spec.cpp b/src/mongo/db/query/collation/collation_spec.cpp
new file mode 100644
index 00000000000..ce0a99db9c9
--- /dev/null
+++ b/src/mongo/db/query/collation/collation_spec.cpp
@@ -0,0 +1,110 @@
+/**
+ *    Copyright (C) 2018-present MongoDB, Inc.
+ *
+ *    This program is free software: you can redistribute it and/or modify
+ *    it under the terms of the Server Side Public License, version 1,
+ *    as published by MongoDB, Inc.
+ *
+ *    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
+ *    Server Side Public License for more details.
+ *
+ *    You should have received a copy of the Server Side Public License
+ *    along with this program. If not, see
+ *    <http://www.mongodb.com/licensing/server-side-public-license>.
+ *
+ *    As a special exception, the copyright holders give permission to link the
+ *    code of portions of this program with the OpenSSL library under certain
+ *    conditions as described in each individual source file and distribute
+ *    linked combinations including the program with the OpenSSL library. You
+ *    must comply with the Server Side Public License in all respects for
+ *    all of the code used other than as permitted herein. If you modify file(s)
+ *    with this exception, you may extend this exception to your version of the
+ *    file(s), but you are not obligated to do so. If you do not wish to do so,
+ *    delete this exception statement from your version. If you delete this
+ *    exception statement from all source files in the program, then also delete
+ *    it in the license file.
+ */
+
+#include "mongo/platform/basic.h"
+
+#include "mongo/db/query/collation/collation_spec.h"
+
+#include "mongo/bson/bsonobjbuilder.h"
+#include "mongo/util/assert_util.h"
+
+namespace mongo {
+
+const char* CollationSpec::kLocaleField = "locale";
+const char* CollationSpec::kCaseLevelField = "caseLevel";
+const char* CollationSpec::kCaseFirstField = "caseFirst";
+const char* CollationSpec::kStrengthField = "strength";
+const char* CollationSpec::kNumericOrderingField = "numericOrdering";
+const char* CollationSpec::kAlternateField = "alternate";
+const char* CollationSpec::kMaxVariableField = "maxVariable";
+const char* CollationSpec::kNormalizationField = "normalization";
+const char* CollationSpec::kBackwardsField = "backwards";
+const char* CollationSpec::kVersionField = "version";
+const char* CollationSpec::kSimpleBinaryComparison = "simple";
+const char* CollationSpec::kCaseFirstUpper = "upper";
+const char* CollationSpec::kCaseFirstLower = "lower";
+const char* CollationSpec::kCaseFirstOff = "off";
+const char* CollationSpec::kAlternateNonIgnorable = "non-ignorable";
+const char* CollationSpec::kAlternateShifted = "shifted";
+const char* CollationSpec::kMaxVariablePunct = "punct";
+const char* CollationSpec::kMaxVariableSpace = "space";
+const BSONObj CollationSpec::kSimpleSpec =
+    BSON(CollationSpec::kLocaleField << CollationSpec::kSimpleBinaryComparison);
+
+BSONObj CollationSpec::toBSON() const {
+    BSONObjBuilder builder;
+    builder.append(CollationSpec::kLocaleField, localeID);
+    builder.append(CollationSpec::kCaseLevelField, caseLevel);
+
+    switch (caseFirst) {
+        case CollationSpec::CaseFirstType::kUpper:
+            builder.append(CollationSpec::kCaseFirstField, CollationSpec::kCaseFirstUpper);
+            break;
+        case CollationSpec::CaseFirstType::kLower:
+            builder.append(CollationSpec::kCaseFirstField, CollationSpec::kCaseFirstLower);
+            break;
+        case CollationSpec::CaseFirstType::kOff:
+            builder.append(CollationSpec::kCaseFirstField, CollationSpec::kCaseFirstOff);
+            break;
+        default:
+            MONGO_UNREACHABLE;
+    }
+
+    builder.append(CollationSpec::kStrengthField, static_cast<int>(strength));
+    builder.append(CollationSpec::kNumericOrderingField, numericOrdering);
+
+    switch (alternate) {
+        case CollationSpec::AlternateType::kNonIgnorable:
+            builder.append(CollationSpec::kAlternateField, CollationSpec::kAlternateNonIgnorable);
+            break;
+        case CollationSpec::AlternateType::kShifted:
+            builder.append(CollationSpec::kAlternateField, CollationSpec::kAlternateShifted);
+            break;
+        default:
+            MONGO_UNREACHABLE;
+    }
+
+    switch (maxVariable) {
+        case CollationSpec::MaxVariableType::kPunct:
+            builder.append(CollationSpec::kMaxVariableField, CollationSpec::kMaxVariablePunct);
+            break;
+        case CollationSpec::MaxVariableType::kSpace:
+            builder.append(CollationSpec::kMaxVariableField, CollationSpec::kMaxVariableSpace);
+            break;
+        default:
+            MONGO_UNREACHABLE;
+    }
+
+    builder.append(CollationSpec::kNormalizationField, normalization);
+    builder.append(CollationSpec::kBackwardsField, backwards);
+    builder.append(CollationSpec::kVersionField, version);
+    return builder.obj();
+}
+
+}  // namespace mongo