kiln/main.go

package main

import (
	"flag"
	"fmt"
	"log"
)

func main() {
	var (
		task   string
		config string
	)

	flag.StringVar(&task, "t", "all", "the task to run")
	flag.StringVar(&config, "c", "config.toml", "the configuration file to use")
	flag.Parse()

	// Load config
	cfg, err := LoadConfig(config)
	if err != nil {
		log.Fatal(err)
	}
	if err := cfg.LoadTemplates("templates"); err != nil {
		log.Fatal(err)
	}

	if err := run(cfg, task); err != nil {
		log.Fatal(err)
	}
}

func run(cfg *Config, taskName string) error {
	switch taskName {
	case "all":
		return runAll(cfg)
	default:
		task, ok := cfg.Tasks[taskName]
		if !ok {
			return fmt.Errorf("run task %q: no such task", taskName)
		}
		return runTask(cfg, task)
	}
}

func runAll(cfg *Config) error {
	for _, task := range cfg.Tasks {
		err := runTask(cfg, task)
		if err != nil {
			return err
		}
	}
	return nil
}

func runTask(cfg *Config, task *Task) error {
	// Load content
	dir := NewDir("")
	dir.inputExt = task.Input
	dir.outputExt = task.Output
	dir.templateExt = task.Template
	if err := dir.read("content", ""); err != nil {
		return err
	}
	dir.sort()
	// Manipulate content
	if err := dir.manipulate(cfg); err != nil {
		return err
	}
	// Write content
	if err := dir.write(task.Destination, task); err != nil {
		return err
	}
	return nil
}