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readme.go
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readme.go
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package readme_merge
import (
"fmt"
"io"
"path/filepath"
"strings"
)
var _ Merger = (*Readme)(nil)
type Readme struct {
Dir string
Name string
reader io.Reader
builder *strings.Builder
children map[string]*Readme
parent *Readme
}
func NewReadme(name string, content string) *Readme {
reader := strings.NewReader(content)
return &Readme{
Dir: filepath.Dir(name),
Name: filepath.Base(name),
reader: reader,
children: make(map[string]*Readme),
}
}
func (rm *Readme) Filepath() string {
return filepath.Join(rm.Dir, rm.Name)
}
func (rm *Readme) AddChild(m Merger) *Readme {
child := m.(*Readme)
child.parent = rm
path := filepath.Join(rm.Dir, child.Name)
rm.children[path] = child
return child
}
func (rm *Readme) Root() (root *Readme) {
root = rm
for root.parent != nil {
root = root.parent
}
return root
}
func (rm *Readme) GetChild(e string) (m Merger, err error) {
m, ok := rm.children[e]
if !ok {
err = fmt.Errorf("child '%s' not found", e)
}
return m, err
}
func (rm *Readme) MergeWithLevel(level int) (string, error) {
return Merge(rm, rm.Dir, level)
}
func (rm *Readme) Reader() (io.Reader, error) {
return rm.reader, nil
}
func (rm *Readme) CloseReader() {
rm.reader = nil
}
func (rm *Readme) Builder() *strings.Builder {
if rm.builder == nil {
rm.builder = &strings.Builder{}
}
return rm.builder
}
func (rm *Readme) Merge() (string, error) {
return rm.MergeWithLevel(0)
}