finally fixing `Reader::ParseString()`

It was a copy-n-paste error for the last argument of `Key()` and `String()`...

example/capitalize/capitalize.cpp

@@ -14,7 +14,7 @@
 using namespace rapidjson;
 
 template<typename OutputHandler>
-struct CapitalizeFilter : public BaseReaderHandler<UTF8<>, OutputHandler> {
+struct CapitalizeFilter {
     CapitalizeFilter(OutputHandler& out) : out_(out), buffer_() {}
 
     bool Null() { return out_.Null(); }
@@ -31,6 +31,7 @@ struct CapitalizeFilter : public BaseReaderHandler<UTF8<>, OutputHandler> {
         return out_.String(&buffer_.front(), length, true); // true = output handler need to copy the string
     }
     bool StartObject() { return out_.StartObject(); }
+    bool Key(const char* str, SizeType length, bool copy) { return String(str, length, copy); }
     bool EndObject(SizeType memberCount) { return out_.EndObject(memberCount); }
     bool StartArray() { return out_.StartArray(); }
     bool EndArray(SizeType elementCount) { return out_.EndArray(elementCount); }

include/rapidjson/reader.h

@@ -630,20 +630,17 @@ private:
             RAPIDJSON_PARSE_ERROR_EARLY_RETURN_VOID;
             size_t length = s.PutEnd(head) - 1;
             RAPIDJSON_ASSERT(length <= 0xFFFFFFFF);
-            const typename TargetEncoding::Ch* const str = (const typename TargetEncoding::Ch*)head;
+            const typename TargetEncoding::Ch* const str = (typename TargetEncoding::Ch*)head;
             success = (isKey ? handler.Key(str, SizeType(length), false) : handler.String(str, SizeType(length), false));
         }
         else {
             StackStream stackStream(stack_);
             ParseStringToStream<parseFlags, SourceEncoding, TargetEncoding>(s, stackStream);
             RAPIDJSON_PARSE_ERROR_EARLY_RETURN_VOID;
-            success = (isKey
-                ? handler.Key(   stack_.template Pop<typename TargetEncoding::Ch>(stackStream.length_), stackStream.length_ - 1, false)
-                : handler.String(stack_.template Pop<typename TargetEncoding::Ch>(stackStream.length_), stackStream.length_ - 1, false)
-            );
+            const typename TargetEncoding::Ch* const str = stack_.template Pop<typename TargetEncoding::Ch>(stackStream.length_);
+            success = (isKey ? handler.Key(str, stackStream.length_ - 1, true) : handler.String(str, stackStream.length_ - 1, true));
         }
-
-        if(!success)
+        if (!success)
             RAPIDJSON_PARSE_ERROR(kParseErrorTermination, s.Tell());
     }