intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

3 files changed, 40 insertions, 0 deletions

diff --git a/library/cpp/string_utils/indent_text/indent_text.cpp b/library/cpp/string_utils/indent_text/indent_text.cpp
new file mode 100644
index 0000000000..09a4f6bca8
--- /dev/null
+++ b/library/cpp/string_utils/indent_text/indent_text.cpp
@@ -0,0 +1,25 @@
+#include "indent_text.h"
+
+#include <util/stream/str.h>
+
+TString IndentText(TStringBuf text, TStringBuf indent) {
+    if (text.empty())
+        return TString();
+
+    TStringStream ss;
+    ss.Reserve(text.size() + 20);
+
+    char pc = 0;
+    for (size_t i = 0; i < text.size(); ++i) {
+        if (i == 0 || pc == '\n')
+            ss << indent;
+
+        char c = text.at(i);
+        ss << c;
+        pc = c;
+    }
+    if (pc != '\n')
+        ss << '\n';
+
+    return ss.Str();
+}
diff --git a/library/cpp/string_utils/indent_text/indent_text.h b/library/cpp/string_utils/indent_text/indent_text.h
new file mode 100644
index 0000000000..7117d6c0ee
--- /dev/null
+++ b/library/cpp/string_utils/indent_text/indent_text.h
@@ -0,0 +1,6 @@
+#pragma once
+
+#include <util/generic/string.h>
+#include <util/generic/strbuf.h>
+
+TString IndentText(TStringBuf text, TStringBuf indent = TStringBuf("    "));
diff --git a/library/cpp/string_utils/indent_text/ya.make b/library/cpp/string_utils/indent_text/ya.make
new file mode 100644
index 0000000000..cd0ed9ec61
--- /dev/null
+++ b/library/cpp/string_utils/indent_text/ya.make
@@ -0,0 +1,9 @@
+LIBRARY()
+
+OWNER(nga)
+
+SRCS(
+    indent_text.cpp
+)
+
+END()