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71 lines
1.2 KiB
Go
71 lines
1.2 KiB
Go
package util
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import (
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"bytes"
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goformat "go/format"
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"io/ioutil"
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"text/template"
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)
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const regularPerm = 0666
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type defaultTemplate struct {
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name string
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text string
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goFmt bool
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savePath string
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}
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func With(name string) *defaultTemplate {
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return &defaultTemplate{
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name: name,
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}
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}
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func (t *defaultTemplate) Parse(text string) *defaultTemplate {
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t.text = text
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return t
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}
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func (t *defaultTemplate) GoFmt(format bool) *defaultTemplate {
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t.goFmt = format
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return t
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}
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func (t *defaultTemplate) SaveTo(data interface{}, path string, forceUpdate bool) error {
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if FileExists(path) && !forceUpdate {
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return nil
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}
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output, err := t.Execute(data)
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if err != nil {
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return err
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}
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return ioutil.WriteFile(path, output.Bytes(), regularPerm)
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}
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func (t *defaultTemplate) Execute(data interface{}) (*bytes.Buffer, error) {
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tem, err := template.New(t.name).Parse(t.text)
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if err != nil {
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return nil, err
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}
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buf := new(bytes.Buffer)
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if err = tem.Execute(buf, data); err != nil {
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return nil, err
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}
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if !t.goFmt {
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return buf, nil
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}
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formatOutput, err := goformat.Source(buf.Bytes())
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if err != nil {
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return nil, err
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}
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buf.Reset()
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buf.Write(formatOutput)
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return buf, nil
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}
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