/
package.go
55 lines (47 loc) · 1.21 KB
/
package.go
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// Utility methods for managing and writing generated code
package generator
import (
"fmt"
gofmt "go/format"
"io/ioutil"
"path/filepath"
"sort"
)
// Package represents the output package
type Package struct {
name string
header string
files map[string]string
}
func NewPackage(name, header string) *Package {
return &Package{name: name, header: header, files: make(map[string]string)}
}
func (p *Package) WriteFiles(targetDir string) error {
for name, body := range p.files {
targetFile := filepath.Join(targetDir, name)
fileContent, err := gofmt.Source([]byte(fmt.Sprintf("%v\npackage %v\n%v", p.header, p.name, body)))
if err != nil {
return fmt.Errorf("Error writing file %v - %v", targetFile, err)
}
err = ioutil.WriteFile(targetFile, []byte(fileContent), 0640)
if err != nil {
return fmt.Errorf("Error writing file %v - %v", targetFile, err)
}
}
return nil
}
func (p *Package) Files() []string {
files := make([]string, 0)
for file, _ := range p.files {
files = append(files, file)
}
sort.Strings(files)
return files
}
func (p *Package) HasFile(name string) bool {
_, ok := p.files[name]
return ok
}
func (p *Package) AddFile(name string, body string) {
p.files[name] = body
}