1 files changed, 72 insertions, 0 deletions
diff --git a/chromium/third_party/cld_3/src/src/feature_types.cc b/chromium/third_party/cld_3/src/src/feature_types.cc
new file mode 100644
index 00000000000..059a7dd6d4b
--- /dev/null
+++ b/chromium/third_party/cld_3/src/src/feature_types.cc
@@ -0,0 +1,72 @@
+/* Copyright 2016 Google Inc. All Rights Reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+==============================================================================*/
+
+#include "feature_types.h"
+
+#include <algorithm>
+#include <map>
+#include <string>
+#include <utility>
+
+#include "base.h"
+
+namespace chrome_lang_id {
+
+FeatureType::FeatureType(const string &name)
+    : name_(name),
+      base_(0),
+      is_continuous_(name.find("continuous") != string::npos) {}
+
+FeatureType::~FeatureType() {}
+
+template <class Resource>
+ResourceBasedFeatureType<Resource>::ResourceBasedFeatureType(
+    const string &name, const Resource *resource,
+    const std::map<FeatureValue, string> &values)
+    : FeatureType(name), resource_(resource), values_(values) {
+  max_value_ = resource->NumValues() - 1;
+  for (const auto &pair : values) {
+    CLD3_DCHECK(pair.first >= resource->NumValues());
+    max_value_ = pair.first > max_value_ ? pair.first : max_value_;
+  }
+}
+
+template <class Resource>
+ResourceBasedFeatureType<Resource>::ResourceBasedFeatureType(
+    const string &name, const Resource *resource)
+    : ResourceBasedFeatureType(name, resource, {}) {}
+
+EnumFeatureType::EnumFeatureType(
+    const string &name, const std::map<FeatureValue, string> &value_names)
+    : FeatureType(name), value_names_(value_names) {
+  for (const auto &pair : value_names) {
+    CLD3_DCHECK(pair.first >= 0);
+    domain_size_ = std::max(domain_size_, pair.first + 1);
+  }
+}
+
+EnumFeatureType::~EnumFeatureType() {}
+
+string EnumFeatureType::GetFeatureValueName(FeatureValue value) const {
+  auto it = value_names_.find(value);
+  if (it == value_names_.end()) {
+    return "<INVALID>";
+  }
+  return it->second;
+}
+
+FeatureValue EnumFeatureType::GetDomainSize() const { return domain_size_; }
+
+}  // namespace chrome_lang_id