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|
package main
import (
"bytes"
"encoding/xml"
"fmt"
"log"
)
type Context struct {
protocol *Protocol
out *bytes.Buffer
}
func newContext() *Context {
return &Context{
out: bytes.NewBuffer([]byte{}),
}
}
// Putln calls put and adds a new line to the end of 'format'.
func (c *Context) Putln(format string, v ...interface{}) {
c.Put(format+"\n", v...)
}
// Put is a short alias to write to 'out'.
func (c *Context) Put(format string, v ...interface{}) {
_, err := c.out.WriteString(fmt.Sprintf(format, v...))
if err != nil {
log.Fatalf("There was an error writing to context buffer: %s", err)
}
}
// Morph is the big daddy of them all. It takes in an XML byte slice,
// parse it, transforms the XML types into more usable types,
// and writes Go code to the 'out' buffer.
func (c *Context) Morph(xmlBytes []byte) {
parsedXml := &XML{}
err := xml.Unmarshal(xmlBytes, parsedXml)
if err != nil {
log.Fatal(err)
}
// Parse all imports
parsedXml.Imports.Eval()
// Translate XML types to nice types
c.protocol = parsedXml.Translate()
// Now write Go source code
for _, typ := range c.protocol.Types {
typ.Define(c)
}
}
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