intermediate changes

ref:cec8c3b1f4aa91c62b0f4b90b6a8c78c23b1c4f1

2 files changed, 18 insertions, 0 deletions

diff --git a/library/cpp/cgiparam/cgiparam.cpp b/library/cpp/cgiparam/cgiparam.cpp
index f3277b8e4b2..f42226e1853 100644
--- a/library/cpp/cgiparam/cgiparam.cpp
+++ b/library/cpp/cgiparam/cgiparam.cpp
@@ -46,6 +46,23 @@ bool TCgiParameters::Erase(const TStringBuf name, const TStringBuf val) {
     return found;
 }
 
+bool TCgiParameters::ErasePattern(const TStringBuf name, const TStringBuf pat) {
+    const auto pair = equal_range(name);
+
+    bool found = false;
+    for (auto it = pair.first; it != pair.second;) {
+        bool startsWith = it->second.StartsWith(pat);
+        if (startsWith) {
+            it = erase(it);
+            found = true;
+        } else {
+            ++it;
+        }
+    }
+
+    return found;
+}
+
 size_t TCgiParameters::EraseAll(const TStringBuf name) {
     size_t num = 0;
 
diff --git a/library/cpp/cgiparam/cgiparam.h b/library/cpp/cgiparam/cgiparam.h
index 87d1ab0ad45..ec0bd174647 100644
--- a/library/cpp/cgiparam/cgiparam.h
+++ b/library/cpp/cgiparam/cgiparam.h
@@ -121,6 +121,7 @@ public:
 
     bool Erase(const TStringBuf name, size_t numOfValue = 0);
     bool Erase(const TStringBuf name, const TStringBuf val);
+    bool ErasePattern(const TStringBuf name, const TStringBuf pat);
 
     inline const char* FormField(const TStringBuf name, size_t numOfValue = 0) const {
         const_iterator it = Find(name, numOfValue);