structr/exporter.go at develop · dameleon/structr · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
package main

import (
	"bytes"
	"io/ioutil"
	"os"
	"path/filepath"
)

type Exporter interface {
	Export(node StructureNode) error
}

func NewExporter(b Bedrock) Exporter {
	if b.OutputsFiles() {
		return &fileExporter{b}
	}
	return &stdoutExporter{b}
}

type stdoutExporter struct {
	bedrock Bedrock
}

func (e *stdoutExporter) Export(node StructureNode) error {
	conf := e.bedrock.Config
	generator, err := NewStructGenerator(conf.StructureTemplate, conf.ChildStructuresNesting, conf.TypeTranslateMap)
	if err != nil {
		return err
	}
	str, err := generator.Generate(node)
	if err != nil {
		return err
	}
	_, err = os.Stdout.WriteString(str)
	return err
}

type fileExporter struct {
	bedrock Bedrock
}

func (e *fileExporter) Export(node StructureNode) error {
	conf := e.bedrock.Config
	generator, err := NewStructGenerator(conf.StructureTemplate, conf.ChildStructuresNesting, conf.TypeTranslateMap)
	if err != nil {
		return err
	}
	str, err := generator.Generate(node)
	if err != nil {
		return err
	}
	if err := os.MkdirAll(e.bedrock.OutputDirPath, os.ModePerm); err != nil {
		return err
	}
	filename, err := e.getFileName(node)
	if err != nil {
		return err
	}
	return ioutil.WriteFile(filepath.Join(e.bedrock.OutputDirPath, filename), []byte(str), os.ModePerm)
}

func (e *fileExporter) getFileName(node StructureNode) (string, error) {
	tmpl, err := NewTemplate(node.Name).Parse(e.bedrock.Config.OutputFilename)
	if err != nil {
		return "", err
	}
	var buf bytes.Buffer
	if err := tmpl.Execute(&buf, node); err != nil {
		return "", err
	}
	return buf.String(), nil
}