intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 45 insertions, 0 deletions

diff --git a/library/cpp/deprecated/split/delim_string_iter.cpp b/library/cpp/deprecated/split/delim_string_iter.cpp
new file mode 100644
index 0000000000..af418c5bfb
--- /dev/null
+++ b/library/cpp/deprecated/split/delim_string_iter.cpp
@@ -0,0 +1,45 @@
+#include "delim_string_iter.h"
+
+//
+// TKeyValueDelimStringIter
+//
+
+void TKeyValueDelimStringIter::ReadKeyAndValue() {
+    TStringBuf currentToken(*DelimIter);
+
+    size_t pos = currentToken.find('=');
+    if (pos == TString::npos) {
+        ChunkValue.Clear();
+        ChunkKey = currentToken;
+    } else {
+        ChunkKey = currentToken.SubStr(0, pos);
+        ChunkValue = currentToken.SubStr(pos + 1);
+    }
+}
+
+TKeyValueDelimStringIter::TKeyValueDelimStringIter(const TStringBuf str, const TStringBuf delim)
+    : DelimIter(str, delim)
+{
+    if (DelimIter.Valid())
+        ReadKeyAndValue();
+}
+
+bool TKeyValueDelimStringIter::Valid() const {
+    return DelimIter.Valid();
+}
+
+TKeyValueDelimStringIter& TKeyValueDelimStringIter::operator++() {
+    ++DelimIter;
+    if (DelimIter.Valid())
+        ReadKeyAndValue();
+
+    return *this;
+}
+
+const TStringBuf& TKeyValueDelimStringIter::Key() const {
+    return ChunkKey;
+}
+
+const TStringBuf& TKeyValueDelimStringIter::Value() const {
+    return ChunkValue;
+}