google/material_design_icons choose helper script

.gitignore

output/

README.md

How to use

$ goapp run main.go -path ~/git/material-design-icons/ -name=ic_attach_file_black_18dp -cat editor
path:      /Users/keima/git/material-design-icons/
category:  editor
name:      ic_attach_file_black_18dp
/Users/keima/git/material-design-icons//editor/drawable-hdpi/ic_attach_file_black_18dp.png
Start: copy sequence
> Copy Success: ./output//drawable-hdpi/ic_attach_file_black_18dp.png
> Copy Success: ./output//drawable-mdpi/ic_attach_file_black_18dp.png
> Copy Success: ./output//drawable-xhdpi/ic_attach_file_black_18dp.png
> Copy Success: ./output//drawable-xxhdpi/ic_attach_file_black_18dp.png
> Copy Success: ./output//drawable-xxxhdpi/ic_attach_file_black_18dp.png
Finish: copy sequence

$ goapp run main.go -path ~/git/material-design-icons/ -name=ic_merge_type_file_black_18dp -cat editor
path:      /Users/keima/git/material-design-icons/
category:  editor
name:      ic_merge_type_file_black_18dp
/Users/keima/git/material-design-icons//editor/drawable-hdpi/ic_merge_type_file_black_18dp.png
file is not found
exit status 1

$ goapp run main.go -path ~/git/material-design-icons/ -name=ic_merge_type_black_18dp -cat editor
path:      /Users/keima/git/material-design-icons/
category:  editor
name:      ic_merge_type_black_18dp
/Users/keima/git/material-design-icons//editor/drawable-hdpi/ic_merge_type_black_18dp.png
Start: copy sequence
> Copy Success: ./output//drawable-hdpi/ic_merge_type_black_18dp.png
> Copy Success: ./output//drawable-mdpi/ic_merge_type_black_18dp.png
> Copy Success: ./output//drawable-xhdpi/ic_merge_type_black_18dp.png
> Copy Success: ./output//drawable-xxhdpi/ic_merge_type_black_18dp.png
> Copy Success: ./output//drawable-xxxhdpi/ic_merge_type_black_18dp.png
Finish: copy sequence

$ tree output/
output/
├── drawable-hdpi
│   ├── ic_attach_file_black_18dp.png
│   └── ic_merge_type_black_18dp.png
├── drawable-mdpi
│   ├── ic_attach_file_black_18dp.png
│   └── ic_merge_type_black_18dp.png
├── drawable-xhdpi
│   ├── ic_attach_file_black_18dp.png
│   └── ic_merge_type_black_18dp.png
├── drawable-xxhdpi
│   ├── ic_attach_file_black_18dp.png
│   └── ic_merge_type_black_18dp.png
└── drawable-xxxhdpi
    ├── ic_attach_file_black_18dp.png
    └── ic_merge_type_black_18dp.png

5 directories, 10 files

main.go

package main

import (
	"errors"
	"flag"
	"fmt"
	"io/ioutil"
	"os"
)

var (
	CATEGORY = []string{
		"action",
		"alert",
		"av",
		"communication",
		"content",
		"device",
		"editor",
		"file",
		"hardware",
		"image",
		"maps",
		"navigation",
		"notification",
		"social",
		"toggle",
	}
	VARIATION = []string{
		// Currently, available only Android

		// "1x_ios",
		// "1x_web",
		// "2x_ios",
		// "2x_web",
		// "3x_ios",
		"drawable-hdpi",
		"drawable-mdpi",
		"drawable-xhdpi",
		"drawable-xxhdpi",
		"drawable-xxxhdpi",
		// "svg",
	}
)

func main() {
	path := flag.String("path", "", "google/material-design-icons path")
	category := flag.String("cat", "", "category name (e.g.: content )")
	name := flag.String("name", "", "icon name (e.g.: ic_send_white_24dp )")
	flag.Parse()

	fmt.Println("path:     ", *path)
	fmt.Println("category: ", *category)
	fmt.Println("name:     ", *name)

	if *path == "" {
		fmt.Println("Path is not found!")
		os.Exit(1)
	}

	if *category == "" {
		fmt.Println("Category is not found!")
		os.Exit(1)
	}

	if *name == "" {
		fmt.Println("Name is not found!")
		os.Exit(1)
	}

	if err := existFile(*name, *category, *path); err != nil {
		fmt.Println(err.Error())
		os.Exit(1)
	}

	copyFiles(*name, *category, *path, "./output/")
	os.Exit(0)

}

func existFile(fileName string, category string, dir string) error {
	if _, err := os.Stat(dir); err != nil {
		return errors.New("dir is not found")
	}

	for index, cat := range CATEGORY {
		if category == cat {
			break
		}
		if index == len(CATEGORY)-1 {
			return errors.New("category name is invalid")
		}
	}

	// とりあえずてきとーに
	fileFullPath := dir + "/" + category + "/" + VARIATION[0] + "/" + fileName + ".png"

	fmt.Println(fileFullPath)

	if _, err := os.Stat(fileFullPath); err != nil {
		return errors.New("file is not found")
	}

	return nil
}

func copyFiles(fileName string, category string, srcDir string, dstDir string) {

	fmt.Println("Start: copy sequence")

	fileNameExt := fileName + ".png"

	for _, variation := range VARIATION {
		srcDirFullPath := srcDir + "/" + category + "/" + variation + "/"
		dstDirFullPath := dstDir + "/" + variation + "/"

		srcFullPath := srcDirFullPath + fileNameExt
		dstFullPath := dstDirFullPath + fileNameExt

		// fmt.Println("src: ", srcFullPath)
		// fmt.Println("dst: ", dstFullPath)

		if err := os.MkdirAll(dstDirFullPath, 0777); err != nil {
			panic(err)
		}

		b, err := ioutil.ReadFile(srcFullPath)
		if err != nil {
			panic(err)
		}

		err = ioutil.WriteFile(dstFullPath, b, 0644)
		if err != nil {
			panic(err)
		}

		fmt.Println("> Copy Success: " + dstFullPath)

	}

	fmt.Println("Finish: copy sequence")

}

TODO.md

• [] もっと使い勝手を良くする
• [] executableなバイナリを吐く
• [] nodeのpackage.jsonみたいな仕組みで管理できるかな？