From 828b7e61d0443832d99002fbda12a359e5f9f221 Mon Sep 17 00:00:00 2001
From: Jon Skeet <skeet@pobox.com>
Date: Wed, 17 Jun 2015 14:59:10 +0100
Subject: Use the fact that we know the tag size and bytes at codegen time to
 optimize.

---
 csharp/src/AddressBook/Addressbook.cs | 31 +++++++++++++++++++------------
 1 file changed, 19 insertions(+), 12 deletions(-)

(limited to 'csharp/src/AddressBook')

diff --git a/csharp/src/AddressBook/Addressbook.cs b/csharp/src/AddressBook/Addressbook.cs
index 4acb8cac..480fb92a 100644
--- a/csharp/src/AddressBook/Addressbook.cs
+++ b/csharp/src/AddressBook/Addressbook.cs
@@ -139,13 +139,16 @@ namespace Google.ProtocolBuffers.Examples.AddressBook {
 
     public void WriteTo(pb::CodedOutputStream output) {
       if (Name.Length != 0) {
-        output.WriteString(1, Name);
+        output.WriteRawTag(10);
+        output.WriteString(Name);
       }
       if (Id != 0) {
-        output.WriteInt32(2, Id);
+        output.WriteRawTag(16);
+        output.WriteInt32(Id);
       }
       if (Email.Length != 0) {
-        output.WriteString(3, Email);
+        output.WriteRawTag(26);
+        output.WriteString(Email);
       }
       if (phone_.Count > 0) {
         output.WriteMessageArray(4, phone_);
@@ -155,18 +158,19 @@ namespace Google.ProtocolBuffers.Examples.AddressBook {
     public int CalculateSize() {
       int size = 0;
       if (Name.Length != 0) {
-        size += pb::CodedOutputStream.ComputeStringSize(1, Name);
+        size += 1 + pb::CodedOutputStream.ComputeStringSize(Name);
       }
       if (Id != 0) {
-        size += pb::CodedOutputStream.ComputeInt32Size(2, Id);
+        size += 1 + pb::CodedOutputStream.ComputeInt32Size(Id);
       }
       if (Email.Length != 0) {
-        size += pb::CodedOutputStream.ComputeStringSize(3, Email);
+        size += 1 + pb::CodedOutputStream.ComputeStringSize(Email);
       }
       if (phone_.Count > 0) {
         foreach (global::Google.ProtocolBuffers.Examples.AddressBook.Person.Types.PhoneNumber element in phone_) {
-          size += pb::CodedOutputStream.ComputeMessageSize(4, element);
+          size += pb::CodedOutputStream.ComputeMessageSize(element);
         }
+        size += 1 * phone_.Count;
       }
       return size;
     }
@@ -286,20 +290,22 @@ namespace Google.ProtocolBuffers.Examples.AddressBook {
 
         public void WriteTo(pb::CodedOutputStream output) {
           if (Number.Length != 0) {
-            output.WriteString(1, Number);
+            output.WriteRawTag(10);
+            output.WriteString(Number);
           }
           if (Type != global::Google.ProtocolBuffers.Examples.AddressBook.Person.Types.PhoneType.HOME) {
-            output.WriteEnum(2, (int) Type);
+            output.WriteRawTag(16);
+            output.WriteEnum((int) Type);
           }
         }
 
         public int CalculateSize() {
           int size = 0;
           if (Number.Length != 0) {
-            size += pb::CodedOutputStream.ComputeStringSize(1, Number);
+            size += 1 + pb::CodedOutputStream.ComputeStringSize(Number);
           }
           if (Type != global::Google.ProtocolBuffers.Examples.AddressBook.Person.Types.PhoneType.HOME) {
-            size += pb::CodedOutputStream.ComputeEnumSize(2, (int) Type);
+            size += 1 + pb::CodedOutputStream.ComputeEnumSize((int) Type);
           }
           return size;
         }
@@ -401,8 +407,9 @@ namespace Google.ProtocolBuffers.Examples.AddressBook {
       int size = 0;
       if (person_.Count > 0) {
         foreach (global::Google.ProtocolBuffers.Examples.AddressBook.Person element in person_) {
-          size += pb::CodedOutputStream.ComputeMessageSize(1, element);
+          size += pb::CodedOutputStream.ComputeMessageSize(element);
         }
+        size += 1 * person_.Count;
       }
       return size;
     }
-- 
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