From 73154769b3eba60fe48a7c08882e8e64b1545e3f Mon Sep 17 00:00:00 2001
From: "Andrew Gallant (Ocelot)" <Andrew.Gallant@tufts.edu>
Date: Mon, 30 Apr 2012 16:18:17 -0400
Subject: splitting up go specific code. too much for one file IMO. more
 progress. almost done with structs.

---
 nexgb/xgbgen/go_list.go | 75 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 75 insertions(+)
 create mode 100644 nexgb/xgbgen/go_list.go

(limited to 'nexgb/xgbgen/go_list.go')

diff --git a/nexgb/xgbgen/go_list.go b/nexgb/xgbgen/go_list.go
new file mode 100644
index 0000000..03da22e
--- /dev/null
+++ b/nexgb/xgbgen/go_list.go
@@ -0,0 +1,75 @@
+package main
+
+import (
+	"fmt"
+	"log"
+)
+
+// List fields
+func (f *ListField) Define(c *Context) {
+	c.Putln("%s []%s // size: %s",
+		f.SrcName(), f.Type.SrcName(), f.Size())
+}
+
+func (f *ListField) Read(c *Context) {
+	c.Putln("")
+
+	switch t := f.Type.(type) {
+	case *Resource:
+		length := f.LengthExpr.Reduce("v.", "")
+		c.Putln("v.%s = make([]Id, %s)", f.SrcName(), length)
+		c.Putln("for i := 0; i < %s; i++ {", length)
+		ReadSimpleSingleField(c, fmt.Sprintf("v.%s[i]", f.SrcName()), t)
+		c.Putln("}")
+		c.Putln("b = pad(b)")
+	case *Base:
+		length := f.LengthExpr.Reduce("v.", "")
+		c.Putln("v.%s = make([]%s, %s)", f.SrcName(), t.SrcName(), length)
+		if t.SrcName() == "byte" {
+			c.Putln("copy(v.%s[:%s], buf[b:])", f.SrcName(), length)
+			c.Putln("b += pad(%s)", length)
+		} else {
+			c.Putln("for i := 0; i < %s; i++ {", length)
+			ReadSimpleSingleField(c, fmt.Sprintf("v.%s[i]", f.SrcName()), t)
+			c.Putln("}")
+			c.Putln("b = pad(b)")
+		}
+	case *Struct:
+		c.Putln("v.%s = make([]%s, %s)",
+			f.SrcName(), t.SrcName(), f.LengthExpr.Reduce("v.", ""))
+		c.Putln("b += Read%sList(buf[b:], v.%s)", t.SrcName(), f.SrcName())
+	default:
+		log.Fatalf("Cannot read list field '%s' with %T type.",
+			f.XmlName(), f.Type)
+	}
+}
+
+func (f *ListField) Write(c *Context) {
+	c.Putln("")
+
+	switch t := f.Type.(type) {
+	case *Resource:
+		length := f.LengthExpr.Reduce("v.", "")
+		c.Putln("for i := 0; i < %s; i++", length)
+		WriteSimpleSingleField(c, fmt.Sprintf("v.%s[i]", f.SrcName()), t)
+		c.Putln("}")
+		c.Putln("b = pad(b)")
+	case *Base:
+		length := f.LengthExpr.Reduce("v.", "")
+		if t.SrcName() == "byte" {
+			c.Putln("copy(buf[b:], v.%s[:%s])", f.SrcName(), length)
+			c.Putln("b += pad(%s)", length)
+		} else {
+			c.Putln("for i := 0; i < %s; i++ {", length)
+			WriteSimpleSingleField(c, fmt.Sprintf("v.%s[i]", f.SrcName()), t)
+			c.Putln("}")
+			c.Putln("b = pad(b)")
+		}
+	case *Struct:
+		c.Putln("b += %sListBytes(buf[b:], v.%s)", t.SrcName(), f.SrcName())
+	default:
+		log.Fatalf("Cannot read list field '%s' with %T type.",
+			f.XmlName(), f.Type)
+	}
+}
+
-- 
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