From 03d6b46db2c016443888116bffe0109e13d052e2 Mon Sep 17 00:00:00 2001
From: Alex Zolotarev <alex@maps.me>
Date: Thu, 25 Feb 2016 17:40:15 +0300
Subject: [PATCH] Cuisines parsing and localization wrapper.

---
 indexer/cuisines.cpp | 60 ++++++++++++++++++++++++++++++++++++++++++++
 indexer/cuisines.hpp | 35 ++++++++++++++++++++++++++
 indexer/indexer.pro  |  2 ++
 3 files changed, 97 insertions(+)
 create mode 100644 indexer/cuisines.cpp
 create mode 100644 indexer/cuisines.hpp

diff --git a/indexer/cuisines.cpp b/indexer/cuisines.cpp
new file mode 100644
index 0000000000..6b62af7a18
--- /dev/null
+++ b/indexer/cuisines.cpp
@@ -0,0 +1,60 @@
+#include "indexer/cuisines.hpp"
+
+#include "base/stl_add.hpp"
+#include "base/string_utils.hpp"
+
+#include "std/utility.hpp"
+
+namespace osm
+{
+// static
+Cuisines & Cuisines::Instance()
+{
+  static Cuisines instance;
+  return instance;
+}
+
+namespace
+{
+void InitializeCuisinesForLocale(platform::TGetTextByIdPtr & ptr, string const & lang)
+{
+  if (!ptr || ptr->GetLocale() != lang)
+    ptr = GetTextByIdFactory(platform::TextSource::Cuisines, lang);
+  CHECK(ptr, ("Error loading cuisines translations for", lang, "language."));
+}
+
+string TranslateImpl(platform::TGetTextByIdPtr const & ptr, string const & key)
+{
+  ASSERT(ptr, ("ptr should be initialized before calling this function."));
+  return ptr->operator()(key);
+}
+}  // namespace
+
+void Cuisines::Parse(string const & osmRawCuisinesTagValue, vector<string> & outCuisines)
+{
+  strings::Tokenize(osmRawCuisinesTagValue, ";", MakeBackInsertFunctor(outCuisines));
+}
+
+void Cuisines::ParseAndLocalize(string const & osmRawCuisinesTagValue, vector<string> & outCuisines,
+                                string const & lang)
+{
+  Parse(osmRawCuisinesTagValue, outCuisines);
+  InitializeCuisinesForLocale(m_translations, lang);
+  for (auto & cuisine : outCuisines)
+  {
+    string tr = TranslateImpl(m_translations, cuisine);
+    if (!tr.empty())
+      cuisine = move(tr);
+  }
+}
+
+string Cuisines::Translate(string const & singleOsmCuisine, string const & lang)
+{
+  ASSERT(singleOsmCuisine.find(';') == string::npos,
+         ("Please call Parse method for raw OSM cuisine string."));
+  InitializeCuisinesForLocale(m_translations, lang);
+  return TranslateImpl(m_translations, singleOsmCuisine);
+}
+
+TAllCuisines Cuisines::AllSupportedCuisines() { return m_translations->GetAllSortedTranslations(); }
+}  // namespace osm
diff --git a/indexer/cuisines.hpp b/indexer/cuisines.hpp
new file mode 100644
index 0000000000..2d745e302c
--- /dev/null
+++ b/indexer/cuisines.hpp
@@ -0,0 +1,35 @@
+#pragma once
+
+#include "platform/get_text_by_id.hpp"
+#include "platform/preferred_languages.hpp"
+
+#include "std/string.hpp"
+#include "std/vector.hpp"
+
+namespace osm
+{
+using TAllCuisines = vector<pair<string, string>>;
+
+class Cuisines
+{
+  Cuisines() = default;
+
+public:
+  static Cuisines & Instance();
+  /// @param[out] outCuisines contains list of parsed cuisines (not localized).
+  void Parse(string const & osmRawCuisinesTagValue, vector<string> & outCuisines);
+  /// @param[in] lang should be in our twine strings.txt/cuisines.txt format.
+  /// @param[out] outCuisines contains list of parsed cuisines (localized).
+  void ParseAndLocalize(string const & osmRawCuisinesTagValue, vector<string> & outCuisines,
+                        string const & lang = languages::GetCurrentTwine());
+  /// @param[in] lang should be in our twine strings.txt/cuisines.txt format.
+  /// @returns translated cuisine.
+  string Translate(string const & singleOsmCuisine,
+                   string const & lang = languages::GetCurrentTwine());
+  /// @returns list of osm cuisines in cuisines.txt (not localized).
+  TAllCuisines AllSupportedCuisines();
+
+private:
+  platform::TGetTextByIdPtr m_translations;
+};
+}  // namespace osm
diff --git a/indexer/indexer.pro b/indexer/indexer.pro
index ee648a277d..57db8dd371 100644
--- a/indexer/indexer.pro
+++ b/indexer/indexer.pro
@@ -14,6 +14,7 @@ SOURCES += \
     categories_holder_loader.cpp \
     classificator.cpp \
     classificator_loader.cpp \
+    cuisines.cpp \
     coding_params.cpp \
     data_factory.cpp \
     data_header.cpp \
@@ -60,6 +61,7 @@ HEADERS += \
     classificator.hpp \
     classificator_loader.hpp \
     coding_params.hpp \
+    cuisines.hpp \
     data_factory.hpp \
     data_header.hpp \
     drawing_rule_def.hpp \