aadd first files based on caddy-filemanager

Former-commit-id: 20baeeb41a9555cefc3b31b495e24e907736c443
This commit is contained in:
Henrique Dias
2017-06-18 13:57:38 +01:00
parent f185b9893b
commit 1cea7a383d
28 changed files with 2483 additions and 1 deletions

276
frontmatter/frontmatter.go Normal file
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package frontmatter
import (
"bytes"
"encoding/json"
"errors"
"log"
"reflect"
"sort"
"strconv"
"strings"
"gopkg.in/yaml.v2"
"github.com/BurntSushi/toml"
"github.com/hacdias/filemanager/utils"
"github.com/spf13/cast"
)
const (
mainName = "#MAIN#"
objectType = "object"
arrayType = "array"
)
var mainTitle = ""
// Pretty creates a new FrontMatter object
func Pretty(content []byte) (*Content, string, error) {
data, err := Unmarshal(content)
if err != nil {
return &Content{}, "", err
}
kind := reflect.ValueOf(data).Kind()
if kind == reflect.Invalid {
return &Content{}, "", nil
}
object := new(Block)
object.Type = objectType
object.Name = mainName
if kind == reflect.Map {
object.Type = objectType
} else if kind == reflect.Slice || kind == reflect.Array {
object.Type = arrayType
}
return rawToPretty(data, object), mainTitle, nil
}
// Unmarshal returns the data of the frontmatter
func Unmarshal(content []byte) (interface{}, error) {
mark := rune(content[0])
var data interface{}
switch mark {
case '-':
// If it's YAML
if err := yaml.Unmarshal(content, &data); err != nil {
return nil, err
}
case '+':
// If it's TOML
content = bytes.Replace(content, []byte("+"), []byte(""), -1)
if _, err := toml.Decode(string(content), &data); err != nil {
return nil, err
}
case '{', '[':
// If it's JSON
if err := json.Unmarshal(content, &data); err != nil {
return nil, err
}
default:
return nil, errors.New("Invalid frontmatter type")
}
return data, nil
}
// Marshal encodes the interface in a specific format
func Marshal(data interface{}, mark rune) ([]byte, error) {
b := new(bytes.Buffer)
switch mark {
case '+':
enc := toml.NewEncoder(b)
err := enc.Encode(data)
if err != nil {
return nil, err
}
return b.Bytes(), nil
case '{':
by, err := json.MarshalIndent(data, "", " ")
if err != nil {
return nil, err
}
b.Write(by)
_, err = b.Write([]byte("\n"))
if err != nil {
return nil, err
}
return b.Bytes(), nil
case '-':
by, err := yaml.Marshal(data)
if err != nil {
return nil, err
}
b.Write(by)
_, err = b.Write([]byte("..."))
if err != nil {
return nil, err
}
return b.Bytes(), nil
default:
return nil, errors.New("Unsupported Format provided")
}
}
// Content is the block content
type Content struct {
Other interface{}
Fields []*Block
Arrays []*Block
Objects []*Block
}
// Block is a block
type Block struct {
Name string
Title string
Type string
HTMLType string
Content *Content
Parent *Block
}
func rawToPretty(config interface{}, parent *Block) *Content {
objects := []*Block{}
arrays := []*Block{}
fields := []*Block{}
cnf := map[string]interface{}{}
kind := reflect.TypeOf(config)
switch kind {
case reflect.TypeOf(map[interface{}]interface{}{}):
for key, value := range config.(map[interface{}]interface{}) {
cnf[key.(string)] = value
}
case reflect.TypeOf([]map[string]interface{}{}):
for index, value := range config.([]map[string]interface{}) {
cnf[strconv.Itoa(index)] = value
}
case reflect.TypeOf([]map[interface{}]interface{}{}):
for index, value := range config.([]map[interface{}]interface{}) {
cnf[strconv.Itoa(index)] = value
}
case reflect.TypeOf([]interface{}{}):
for index, value := range config.([]interface{}) {
cnf[strconv.Itoa(index)] = value
}
default:
cnf = config.(map[string]interface{})
}
for name, element := range cnf {
if utils.IsMap(element) {
objects = append(objects, handleObjects(element, parent, name))
} else if utils.IsSlice(element) {
arrays = append(arrays, handleArrays(element, parent, name))
} else {
if name == "title" && parent.Name == mainName {
mainTitle = element.(string)
}
fields = append(fields, handleFlatValues(element, parent, name))
}
}
sort.Sort(sortByTitle(fields))
sort.Sort(sortByTitle(arrays))
sort.Sort(sortByTitle(objects))
return &Content{
Fields: fields,
Arrays: arrays,
Objects: objects,
}
}
type sortByTitle []*Block
func (f sortByTitle) Len() int { return len(f) }
func (f sortByTitle) Swap(i, j int) { f[i], f[j] = f[j], f[i] }
func (f sortByTitle) Less(i, j int) bool {
return strings.ToLower(f[i].Name) < strings.ToLower(f[j].Name)
}
func handleObjects(content interface{}, parent *Block, name string) *Block {
c := new(Block)
c.Parent = parent
c.Type = objectType
c.Title = name
if parent.Name == mainName {
c.Name = c.Title
} else if parent.Type == arrayType {
c.Name = parent.Name + "[" + name + "]"
} else {
c.Name = parent.Name + "." + c.Title
}
c.Content = rawToPretty(content, c)
return c
}
func handleArrays(content interface{}, parent *Block, name string) *Block {
c := new(Block)
c.Parent = parent
c.Type = arrayType
c.Title = name
if parent.Name == mainName {
c.Name = name
} else {
c.Name = parent.Name + "." + name
}
c.Content = rawToPretty(content, c)
return c
}
func handleFlatValues(content interface{}, parent *Block, name string) *Block {
c := new(Block)
c.Parent = parent
switch content.(type) {
case bool:
c.Type = "boolean"
case int, float32, float64:
c.Type = "number"
default:
c.Type = "string"
}
c.Content = &Content{Other: content}
switch strings.ToLower(name) {
case "description":
c.HTMLType = "textarea"
case "date", "publishdate":
c.HTMLType = "datetime"
c.Content = &Content{Other: cast.ToTime(content)}
default:
c.HTMLType = "text"
}
if parent.Type == arrayType {
c.Name = parent.Name + "[]"
c.Title = content.(string)
} else if parent.Type == objectType {
c.Title = name
c.Name = parent.Name + "." + name
if parent.Name == mainName {
c.Name = name
}
} else {
log.Panic("Parent type not allowed in handleFlatValues.")
}
return c
}

58
frontmatter/runes.go Normal file
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package frontmatter
import (
"bytes"
"errors"
"strings"
)
// HasRune checks if the file has the frontmatter rune
func HasRune(file []byte) bool {
return strings.HasPrefix(string(file), "---") ||
strings.HasPrefix(string(file), "+++") ||
strings.HasPrefix(string(file), "{")
}
// AppendRune appends the frontmatter rune to a file
func AppendRune(frontmatter []byte, mark rune) []byte {
frontmatter = bytes.TrimSpace(frontmatter)
switch mark {
case '-':
return []byte("---\n" + string(frontmatter) + "\n---")
case '+':
return []byte("+++\n" + string(frontmatter) + "\n+++")
case '{':
return []byte("{\n" + string(frontmatter) + "\n}")
}
return frontmatter
}
// RuneToStringFormat converts the rune to a string with the format
func RuneToStringFormat(mark rune) (string, error) {
switch mark {
case '-':
return "yaml", nil
case '+':
return "toml", nil
case '{', '}':
return "json", nil
default:
return "", errors.New("Unsupported format type")
}
}
// StringFormatToRune converts the format name to its rune
func StringFormatToRune(format string) (rune, error) {
switch format {
case "yaml":
return '-', nil
case "toml":
return '+', nil
case "json":
return '{', nil
default:
return '0', errors.New("Unsupported format type")
}
}

131
frontmatter/runes_test.go Normal file
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package frontmatter
import "testing"
type hasRuneTest struct {
File []byte
Return bool
}
var testHasRune = []hasRuneTest{
hasRuneTest{
File: []byte(`---
Lorem ipsum dolor sit amet, consectetur adipiscing elit.
Sed auctor libero eget ante fermentum commodo.
---`),
Return: true,
},
hasRuneTest{
File: []byte(`+++
Lorem ipsum dolor sit amet, consectetur adipiscing elit.
Sed auctor libero eget ante fermentum commodo.
+++`),
Return: true,
},
hasRuneTest{
File: []byte(`{
"json": "Lorem ipsum dolor sit amet"
}`),
Return: true,
},
hasRuneTest{
File: []byte(`+`),
Return: false,
},
hasRuneTest{
File: []byte(`++`),
Return: false,
},
hasRuneTest{
File: []byte(`-`),
Return: false,
},
hasRuneTest{
File: []byte(`--`),
Return: false,
},
hasRuneTest{
File: []byte(`Lorem ipsum`),
Return: false,
},
}
func TestHasRune(t *testing.T) {
for _, test := range testHasRune {
if HasRune(test.File) != test.Return {
t.Error("Incorrect value on HasRune")
}
}
}
type appendRuneTest struct {
Before []byte
After []byte
Mark rune
}
var testAppendRuneTest = []appendRuneTest{}
func TestAppendRune(t *testing.T) {
for i, test := range testAppendRuneTest {
if !compareByte(AppendRune(test.Before, test.Mark), test.After) {
t.Errorf("Incorrect value on AppendRune of Test %d", i)
}
}
}
func compareByte(a, b []byte) bool {
if a == nil && b == nil {
return true
}
if a == nil || b == nil {
return false
}
if len(a) != len(b) {
return false
}
for i := range a {
if a[i] != b[i] {
return false
}
}
return true
}
var testRuneToStringFormat = map[rune]string{
'-': "yaml",
'+': "toml",
'{': "json",
'}': "json",
'1': "",
'a': "",
}
func TestRuneToStringFormat(t *testing.T) {
for mark, format := range testRuneToStringFormat {
val, _ := RuneToStringFormat(mark)
if val != format {
t.Errorf("Incorrect value on RuneToStringFormat of %v; want: %s; got: %s", mark, format, val)
}
}
}
var testStringFormatToRune = map[string]rune{
"yaml": '-',
"toml": '+',
"json": '{',
"lorem": '0',
}
func TestStringFormatToRune(t *testing.T) {
for format, mark := range testStringFormatToRune {
val, _ := StringFormatToRune(format)
if val != mark {
t.Errorf("Incorrect value on StringFormatToRune of %s; want: %v; got: %v", format, mark, val)
}
}
}