Cleanup unused grpc targets

* Merge grpc (core), grpc++ and gpr libraries into contrib/libs/grpc
* Drop unused grpc_unsecure, grpc++_unsecure and grpc++_error_details
* Remove abundance of hacks from import routine

1 files changed, 149 insertions, 0 deletions

diff --git a/contrib/libs/grpc/src/compiler/ruby_generator_string-inl.h b/contrib/libs/grpc/src/compiler/ruby_generator_string-inl.h
new file mode 100644
index 00000000000..4859b756050
--- /dev/null
+++ b/contrib/libs/grpc/src/compiler/ruby_generator_string-inl.h
@@ -0,0 +1,149 @@
+/*
+ *
+ * Copyright 2015 gRPC authors.
+ *
+ * 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.
+ *
+ */
+
+#ifndef GRPC_INTERNAL_COMPILER_RUBY_GENERATOR_STRING_INL_H
+#define GRPC_INTERNAL_COMPILER_RUBY_GENERATOR_STRING_INL_H
+
+#include <algorithm>
+#include <sstream>
+#include <vector>
+
+#include "src/compiler/config.h"
+
+using std::getline;
+using std::transform;
+
+namespace grpc_ruby_generator {
+
+// Split splits a string using char into elems.
+inline std::vector<TString>& Split(const TString& s, char delim,
+                                       std::vector<TString>* elems) {
+  std::stringstream ss(s);
+  std::string item;
+  while (getline(ss, item, delim)) {
+    elems->emplace_back(item);
+  }
+  return *elems;
+}
+
+// Split splits a string using char, returning the result in a vector.
+inline std::vector<TString> Split(const TString& s, char delim) {
+  std::vector<TString> elems;
+  Split(s, delim, &elems);
+  return elems;
+}
+
+// Replace replaces from with to in s.
+inline TString Replace(TString s, const TString& from,
+                           const TString& to) {
+  size_t start_pos = s.find(from);
+  if (start_pos == TString::npos) {
+    return s;
+  }
+  s.replace(start_pos, from.length(), to);
+  return s;
+}
+
+// ReplaceAll replaces all instances of search with replace in s.
+inline TString ReplaceAll(TString s, const TString& search,
+                              const TString& replace) {
+  size_t pos = 0;
+  while ((pos = s.find(search, pos)) != TString::npos) {
+    s.replace(pos, search.length(), replace);
+    pos += replace.length();
+  }
+  return s;
+}
+
+// ReplacePrefix replaces from with to in s if search is a prefix of s.
+inline bool ReplacePrefix(TString* s, const TString& from,
+                          const TString& to) {
+  size_t start_pos = s->find(from);
+  if (start_pos == TString::npos || start_pos != 0) {
+    return false;
+  }
+  s->replace(start_pos, from.length(), to);
+  return true;
+}
+
+// Modularize converts a string into a ruby module compatible name
+inline TString Modularize(TString s) {
+  if (s.empty()) {
+    return s;
+  }
+  TString new_string = "";
+  bool was_last_underscore = false;
+  new_string.append(1, ::toupper(s[0]));
+  for (TString::size_type i = 1; i < s.size(); ++i) {
+    if (was_last_underscore && s[i] != '_') {
+      new_string.append(1, ::toupper(s[i]));
+    } else if (s[i] != '_') {
+      new_string.append(1, s[i]);
+    }
+    was_last_underscore = s[i] == '_';
+  }
+  return new_string;
+}
+
+// RubyPackage gets the ruby package in either proto or ruby_package format
+inline TString RubyPackage(const grpc::protobuf::FileDescriptor* file) {
+  TString package_name = file->package();
+  if (file->options().has_ruby_package()) {
+    package_name = file->options().ruby_package();
+
+    // If :: is in the package convert the Ruby formatted name
+    //    -> A::B::C
+    // to use the dot seperator notation
+    //    -> A.B.C
+    package_name = ReplaceAll(package_name, "::", ".");
+  }
+  return package_name;
+}
+
+// RubyTypeOf updates a proto type to the required ruby equivalent.
+inline TString RubyTypeOf(const grpc::protobuf::Descriptor* descriptor) {
+  TString proto_type = descriptor->full_name();
+  if (descriptor->file()->options().has_ruby_package()) {
+    // remove the leading package if present
+    ReplacePrefix(&proto_type, descriptor->file()->package(), "");
+    ReplacePrefix(&proto_type, ".", "");  // remove the leading . (no package)
+    proto_type = RubyPackage(descriptor->file()) + "." + proto_type;
+  }
+  TString res("." + proto_type);
+  if (res.find('.') == TString::npos) {
+    return res;
+  } else {
+    std::vector<TString> prefixes_and_type = Split(res, '.');
+    res.clear();
+    for (unsigned int i = 0; i < prefixes_and_type.size(); ++i) {
+      if (i != 0) {
+        res += "::";  // switch '.' to the ruby module delim
+      }
+      if (i < prefixes_and_type.size() - 1) {
+        res += Modularize(prefixes_and_type[i]);  // capitalize pkgs
+      } else {
+        res += prefixes_and_type[i];
+      }
+    }
+    return res;
+  }
+}
+
+}  // namespace grpc_ruby_generator
+
+#endif  // GRPC_INTERNAL_COMPILER_RUBY_GENERATOR_STRING_INL_H