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package main
import (
"bytes"
"encoding/xml"
"fmt"
"log"
)
type Context struct {
xml *XML
out *bytes.Buffer
}
func newContext() *Context {
return &Context{
xml: &XML{},
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)
}
}
// Translate is the big daddy of them all. It takes in an XML byte slice
// and writes Go code to the 'out' buffer.
func (c *Context) Translate(xmlBytes []byte) {
err := xml.Unmarshal(xmlBytes, c.xml)
if err != nil {
log.Fatal(err)
}
// Parse all imports
c.xml.Imports.Eval()
// Make sure all top level enumerations have expressions
// (For when there are empty items.)
c.xml.Enums.Eval()
// It's Morphin' Time!
c.xml.Morph(c)
}
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