intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

6 files changed, 96 insertions, 0 deletions

diff --git a/library/cpp/logger/init_context/README.md b/library/cpp/logger/init_context/README.md
new file mode 100644
index 00000000000..93564e48906
--- /dev/null
+++ b/library/cpp/logger/init_context/README.md
@@ -0,0 +1,5 @@
+Эта библиотека содержит две раплизации InitContext для TLogBackendCreator.
+
+TLogBackendCreatorInitContextYConf работает с YandexConfig (library/cpp/yconf).
+
+TLogBackendCreatorInitContextConfig работает с NConfig::TConfig (library/cpp/config).
diff --git a/library/cpp/logger/init_context/config.cpp b/library/cpp/logger/init_context/config.cpp
new file mode 100644
index 00000000000..30efa13333d
--- /dev/null
+++ b/library/cpp/logger/init_context/config.cpp
@@ -0,0 +1,26 @@
+#include "config.h"
+
+TLogBackendCreatorInitContextConfig::TLogBackendCreatorInitContextConfig(const NConfig::TConfig& config)
+    : Config(config)
+{}
+
+bool TLogBackendCreatorInitContextConfig::GetValue(TStringBuf name, TString& var) const {
+    if (Config.Has(name)) {
+        var = Config[name].Get<TString>();
+        return true;
+    }
+    return false;
+}
+
+TVector<THolder<ILogBackendCreator::IInitContext>> TLogBackendCreatorInitContextConfig::GetChildren(TStringBuf name) const {
+    TVector<THolder<IInitContext>> result;
+    const NConfig::TConfig& child = Config[name];
+    if (child.IsA<NConfig::TArray>()) {
+        for (const auto& i: child.Get<NConfig::TArray>()) {
+            result.emplace_back(MakeHolder<TLogBackendCreatorInitContextConfig>(i));
+        }
+    } else if (!child.IsNull()) {
+        result.emplace_back(MakeHolder<TLogBackendCreatorInitContextConfig>(child));
+    }
+    return result;
+}
diff --git a/library/cpp/logger/init_context/config.h b/library/cpp/logger/init_context/config.h
new file mode 100644
index 00000000000..8227d13176c
--- /dev/null
+++ b/library/cpp/logger/init_context/config.h
@@ -0,0 +1,14 @@
+#pragma once
+
+#include <library/cpp/logger/backend_creator.h>
+#include <library/cpp/config/config.h>
+
+class TLogBackendCreatorInitContextConfig : public ILogBackendCreator::IInitContext {
+public:
+    TLogBackendCreatorInitContextConfig(const NConfig::TConfig& config);
+    virtual bool GetValue(TStringBuf name, TString& var) const override;
+    virtual TVector<THolder<IInitContext>> GetChildren(TStringBuf name) const override;
+
+private:
+    const NConfig::TConfig& Config;
+};
diff --git a/library/cpp/logger/init_context/ya.make b/library/cpp/logger/init_context/ya.make
new file mode 100644
index 00000000000..9572a34c60f
--- /dev/null
+++ b/library/cpp/logger/init_context/ya.make
@@ -0,0 +1,20 @@
+OWNER(
+    pg
+    mvel
+    g:util
+    g:base
+)
+
+LIBRARY()
+
+PEERDIR(
+    library/cpp/logger
+    library/cpp/config
+    library/cpp/yconf
+)
+SRCS(
+    config.cpp
+    yconf.cpp
+)
+
+END()
diff --git a/library/cpp/logger/init_context/yconf.cpp b/library/cpp/logger/init_context/yconf.cpp
new file mode 100644
index 00000000000..c7da1d607cb
--- /dev/null
+++ b/library/cpp/logger/init_context/yconf.cpp
@@ -0,0 +1,18 @@
+#include "yconf.h"
+
+TLogBackendCreatorInitContextYConf::TLogBackendCreatorInitContextYConf(const TYandexConfig::Section& section)
+    : Section(section)
+{}
+
+bool TLogBackendCreatorInitContextYConf::GetValue(TStringBuf name, TString& var) const {
+    return Section.GetDirectives().GetValue(name, var);
+}
+
+TVector<THolder<ILogBackendCreator::IInitContext>> TLogBackendCreatorInitContextYConf::GetChildren(TStringBuf name) const {
+    TVector<THolder<IInitContext>> result;
+    auto children = Section.GetAllChildren();
+    for (auto range = children.equal_range(TCiString(name)); range.first != range.second; ++range.first) {
+        result.emplace_back(MakeHolder<TLogBackendCreatorInitContextYConf>(*range.first->second));
+    }
+    return result;
+}
diff --git a/library/cpp/logger/init_context/yconf.h b/library/cpp/logger/init_context/yconf.h
new file mode 100644
index 00000000000..b1867d271d9
--- /dev/null
+++ b/library/cpp/logger/init_context/yconf.h
@@ -0,0 +1,13 @@
+#pragma once
+
+#include <library/cpp/logger/backend_creator.h>
+#include <library/cpp/yconf/conf.h>
+
+class TLogBackendCreatorInitContextYConf: public ILogBackendCreator::IInitContext {
+public:
+    TLogBackendCreatorInitContextYConf(const TYandexConfig::Section& section);
+    virtual bool GetValue(TStringBuf name, TString& var) const override;
+    virtual TVector<THolder<IInitContext>> GetChildren(TStringBuf name) const override;
+private:
+    const TYandexConfig::Section& Section;
+};