xmlconfig.go

package gamesys

import (
	"encoding/xml"
	"fmt"
	"io/ioutil"
	"os"
)

// Configuration setting collection
type Configuration struct {
	XMLName xml.Name `xml:"configuration"`
	System  System   `xml:"system"`
	Default Default  `xml:"default"`
}

// System configuration setting.
type System struct {
	XMLName   xml.Name  `xml:"system"`
	Window    Window    `xml:"window"`
	Scripting Scripting `xml:"scripting"`
	Directory Directory `xml:"directory"`
}

// Window is the options for starting pixel window.
type Window struct {
	XMLName xml.Name `xml:"window"`
	Width   float64  `xml:"width,attr"`
	Height  float64  `xml:"height,attr"`
	Title   string   `xml:"title,attr"`
}

// Scripting sets customizable script options.
type Scripting struct {
	XMLName   xml.Name `xml:"scripting"`
	Dir       string   `xml:"dir,attr"`
	Extension string   `xml:"extension,attr"`
}

// Directory will set default directories not set elsewhere
type Directory struct {
	XMLName    xml.Name `xml:"directory"`
	Characters string   `xml:"characters,attr"`
}

// Default object values when not provided.
type Default struct {
	XMLName    xml.Name   `xml:"default"`
	Scene      Scene      `xml:"scene"`
	Actor      Actor      `xml:"actor"`
	MessageBox MessageBox `xml:"messagebox"`
}

// LoadConfiguration loads a configuration from the provided XML file.
func LoadConfiguration(file string) (*Configuration, error) {
	// New empty configuration
	newconfig := &Configuration{}

	// Open our file, ensuring it closes later.
	xmlFile, err := os.Open(file)
	if err != nil {
		fmt.Println(err)
		return newconfig, err
	}
	defer xmlFile.Close()

	// read our opened xmlFile as a byte array.
	byteValue, _ := ioutil.ReadAll(xmlFile)

	// Process XML file in the simplest way possible.
	err = xml.Unmarshal(byteValue, &newconfig)

	return newconfig, err
}