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Added support for default (and user defined) functions
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,50 @@ | ||
| package got | ||
|
|
||
| import ( | ||
| "io/ioutil" | ||
| "os" | ||
| "path/filepath" | ||
| "strings" | ||
| ) | ||
|
|
||
| // locate templates in possibly nested subfolders | ||
| func findTemplatesRecursively(path string, extension string) (paths []string, err error) { | ||
| err = filepath.Walk(path, func(path string, info os.FileInfo, err error) error { | ||
| if err == nil { | ||
| if strings.Contains(path, extension) { | ||
| paths = append(paths, path) | ||
| } | ||
| } | ||
| return err | ||
| }) | ||
| return | ||
| } | ||
|
|
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| // Handles reading templates files in the given directory + ending path | ||
| func loadTemplateFiles(dir, path, extension string) (templates map[string][]byte, err error) { | ||
| var files []string | ||
| files, err = findTemplatesRecursively(filepath.Join(dir, path), extension) | ||
| if err != nil { | ||
| return | ||
| } | ||
|
|
||
| templates = make(map[string][]byte) | ||
|
|
||
| for _, path = range files { | ||
| var b []byte | ||
| b, err = ioutil.ReadFile(path) | ||
| if err != nil { | ||
| return | ||
| } | ||
|
|
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| // Convert "templates/layouts/base.html" to "layouts/base" | ||
| // For subfolders the extra folder name is included: | ||
| // "templates/includes/sidebar/ad1.html" to "includes/sidebar/ad1" | ||
| name := strings.TrimPrefix(filepath.Clean(path), filepath.Clean(dir)+"/") | ||
| name = strings.TrimSuffix(name, filepath.Ext(name)) | ||
|
|
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| templates[name] = b | ||
| } | ||
|
|
||
| return | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,90 @@ | ||
| package got | ||
|
|
||
| import ( | ||
| "crypto/md5" | ||
| "crypto/sha1" | ||
| "crypto/sha256" | ||
| "encoding/base32" | ||
| "encoding/base64" | ||
| "encoding/hex" | ||
| "encoding/json" | ||
| "fmt" | ||
| "html/template" | ||
| "strings" | ||
| "time" | ||
| ) | ||
|
|
||
| // Functions I've found to be required in most every web-site template engine | ||
| // Many borrowed from https://github.com/Masterminds/sprig | ||
|
|
||
| // DefaultFunctions for templates | ||
| var DefaultFunctions = template.FuncMap{ | ||
| "title": strings.Title, | ||
| "upper": strings.ToUpper, | ||
| "lower": strings.ToLower, | ||
| "trim": strings.TrimSpace, | ||
| // Display singluar or plural based on count | ||
| "plural": func(one, many string, count int) string { | ||
| if count == 1 { | ||
| return one | ||
| } | ||
| return many | ||
| }, | ||
| // Current Date (Local server time) | ||
| "date": func() string { | ||
| return time.Now().Format("2006-01-02") | ||
| }, | ||
| // Current Unix timestamp | ||
| "unixtimestamp": func() string { | ||
| return fmt.Sprintf("%d", time.Now().Unix()) | ||
| }, | ||
| // json encodes an item into a JSON string | ||
| "json": func(v interface{}) string { | ||
| output, _ := json.Marshal(v) | ||
| return string(output) | ||
| }, | ||
| // Allow unsafe injection into HTML | ||
| "noescape": func(a ...interface{}) template.HTML { | ||
| return template.HTML(fmt.Sprint(a...)) | ||
| }, | ||
| // Allow unsafe URL injections into HTML | ||
| "noescapeurl": func(u string) template.URL { | ||
| return template.URL(u) | ||
| }, | ||
| // Modern Hash | ||
| "sha256": func(input string) string { | ||
| hash := sha256.Sum256([]byte(input)) | ||
| return hex.EncodeToString(hash[:]) | ||
| }, | ||
| // Legacy | ||
| "sha1": func(input string) string { | ||
| hash := sha1.Sum([]byte(input)) | ||
| return hex.EncodeToString(hash[:]) | ||
| }, | ||
| // Gravatar | ||
| "md5": func(input string) string { | ||
| hash := md5.Sum([]byte(input)) | ||
| return hex.EncodeToString(hash[:]) | ||
| }, | ||
| // Popular encodings | ||
| "base64encode": func(v string) string { | ||
| return base64.StdEncoding.EncodeToString([]byte(v)) | ||
| }, | ||
| "base64decode": func(v string) string { | ||
| data, err := base64.StdEncoding.DecodeString(v) | ||
| if err != nil { | ||
| return err.Error() | ||
| } | ||
| return string(data) | ||
| }, | ||
| "base32encode": func(v string) string { | ||
| return base32.StdEncoding.EncodeToString([]byte(v)) | ||
| }, | ||
| "base32decode": func(v string) string { | ||
| data, err := base32.StdEncoding.DecodeString(v) | ||
| if err != nil { | ||
| return err.Error() | ||
| } | ||
| return string(data) | ||
| }, | ||
| } |
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