From 2ba6629c1b1610c072500c09fbf58b910c98b9ec Mon Sep 17 00:00:00 2001
From: David Renshaw <dwrenshaw@gmail.com>
Date: Sat, 17 May 2014 16:57:13 -0400
Subject: [PATCH] work on initTextPointer

---
 generator/src/main/java/org/capnproto/ListPointer.java |  7 +++++++
 .../src/main/java/org/capnproto/StructPointer.java     |  4 ++--
 generator/src/main/java/org/capnproto/Text.java        | 10 +++++++++-
 generator/src/main/java/org/capnproto/WireHelpers.java | 10 +++++++++-
 4 files changed, 27 insertions(+), 4 deletions(-)

diff --git a/generator/src/main/java/org/capnproto/ListPointer.java b/generator/src/main/java/org/capnproto/ListPointer.java
index 71fa58f..a260b57 100644
--- a/generator/src/main/java/org/capnproto/ListPointer.java
+++ b/generator/src/main/java/org/capnproto/ListPointer.java
@@ -15,7 +15,14 @@ final class ListPointer {
         return elementCount(elementSizeAndCount);
     }
 
+    public static void set(ByteBuffer buffer, int offset, byte elementSize, int elementCount) {
+        // TODO length assertion
+        buffer.putInt(8 * offset + 4,
+                      (elementCount << 3) | elementSize);
+    }
+
     public static void setInlineComposite(ByteBuffer buffer, int offset, int wordCount) {
+        // TODO length assertion
         buffer.putInt(8 * offset + 4,
                       (wordCount << 3) | FieldSize.INLINE_COMPOSITE);
     }
diff --git a/generator/src/main/java/org/capnproto/StructPointer.java b/generator/src/main/java/org/capnproto/StructPointer.java
index b904d9d..4badcce 100644
--- a/generator/src/main/java/org/capnproto/StructPointer.java
+++ b/generator/src/main/java/org/capnproto/StructPointer.java
@@ -16,7 +16,7 @@ final class StructPointer{
     }
 
     public static void setFromStructSize(ByteBuffer buffer, int offset, StructSize size) {
-//        buffer.putInt(8 * offset + 4,
-        throw new Error("unimplemented");
+        buffer.putShort(8 * offset + 4, size.data);
+        buffer.putShort(8 * offset + 6, size.pointers);
     }
 }
diff --git a/generator/src/main/java/org/capnproto/Text.java b/generator/src/main/java/org/capnproto/Text.java
index 5bad020..16be7d1 100644
--- a/generator/src/main/java/org/capnproto/Text.java
+++ b/generator/src/main/java/org/capnproto/Text.java
@@ -4,7 +4,7 @@ import java.nio.ByteBuffer;
 
 public class Text {
 
-    public static class Reader {
+    public static final class Reader {
         public final ByteBuffer buffer;
         public final int offset; // in bytes
         public final int size; // in bytes
@@ -42,4 +42,12 @@ public class Text {
 
     }
 
+    public static final class Builder {
+        public final ByteBuffer buffer;
+
+        public Builder(ByteBuffer buffer) {
+            this.buffer = buffer;
+        }
+    }
+
 }
diff --git a/generator/src/main/java/org/capnproto/WireHelpers.java b/generator/src/main/java/org/capnproto/WireHelpers.java
index 622bc95..a44c98c 100644
--- a/generator/src/main/java/org/capnproto/WireHelpers.java
+++ b/generator/src/main/java/org/capnproto/WireHelpers.java
@@ -52,8 +52,12 @@ final class WireHelpers {
         ListPointer.setInlineComposite(segment.buffer, refOffset, wordCount);
         WirePointer.setKindAndInlineCompositeListElementCount(segment.buffer, ptrOffset,
                                                               WirePointer.STRUCT, elementCount);
+        StructPointer.setFromStructSize(segment.buffer, ptrOffset, elementSize);
 
-        throw new Error("unimplemented");
+        ptrOffset += 1;
+
+        return new ListBuilder(segment, ptrOffset, elementCount, wordsPerElement * 64,
+                               elementSize.data * 64, elementSize.pointers);
     }
 
     // size is in bytes
@@ -63,8 +67,12 @@ final class WireHelpers {
         //# The byte list must include a NUL terminator.
         int byteSize = size + 1;
 
+        //# Allocate the space.
         int ptrOffset = allocate(refOffset, segment, roundBytesUpToWords(byteSize), WirePointer.LIST);
 
+        //# Initialize the pointer.
+        ListPointer.set(segment.buffer, refOffset, FieldSize.BYTE, byteSize);
+
         throw new Error("unimplemented");
     }