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rui/strings.go

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2021-09-07 17:36:50 +03:00
package rui
import (
"embed"
"io/ioutil"
"path/filepath"
"strings"
)
var stringResources = map[string]map[string]string{}
func scanEmbedStringsDir(fs *embed.FS, dir string) {
if files, err := fs.ReadDir(dir); err == nil {
for _, file := range files {
name := file.Name()
path := dir + "/" + name
if file.IsDir() {
scanEmbedStringsDir(fs, path)
} else if strings.ToLower(filepath.Ext(name)) == ".rui" {
if data, err := fs.ReadFile(path); err == nil {
loadStringResources(string(data))
} else {
ErrorLog(err.Error())
}
}
}
}
}
func scanStringsDir(path string) {
if files, err := ioutil.ReadDir(path); err == nil {
for _, file := range files {
filename := file.Name()
if filename[0] != '.' {
newPath := path + `/` + filename
if file.IsDir() {
scanStringsDir(newPath)
} else if strings.ToLower(filepath.Ext(newPath)) == ".rui" {
if data, err := ioutil.ReadFile(newPath); err == nil {
loadStringResources(string(data))
} else {
ErrorLog(err.Error())
}
}
}
}
} else {
DebugLog(err.Error())
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}
}
func loadStringResources(text string) {
data := ParseDataText(text)
if data == nil {
return
}
parseStrings := func(obj DataObject, lang string) {
table, ok := stringResources[lang]
if !ok {
table = map[string]string{}
}
for i := 0; i < obj.PropertyCount(); i++ {
if prop := obj.Property(i); prop != nil && prop.Type() == TextNode {
table[prop.Tag()] = prop.Text()
}
}
stringResources[lang] = table
}
tag := data.Tag()
if tag == "strings" {
for i := 0; i < data.PropertyCount(); i++ {
if prop := data.Property(i); prop != nil && prop.Type() == ObjectNode {
parseStrings(prop.Object(), prop.Tag())
}
}
} else if strings.HasPrefix(tag, "strings:") {
if lang := tag[8:]; lang != "" {
parseStrings(data, lang)
}
}
}
// GetString returns the text for the language which is defined by "lang" parameter
func GetString(tag, lang string) (string, bool) {
if table, ok := stringResources[lang]; ok {
if text, ok := table[tag]; ok {
return text, true
}
DebugLogF(`There is no "%s" string resource`, tag)
}
DebugLogF(`There are no "%s" language resources`, lang)
return tag, false
}
func (session *sessionData) GetString(tag string) (string, bool) {
getString := func(tag, lang string) (string, bool) {
if table, ok := stringResources[lang]; ok {
if text, ok := table[tag]; ok {
return text, true
}
DebugLogF(`There is no "%s" string in "%s" resources`, tag, lang)
}
return tag, false
}
if session.language != "" {
if text, ok := getString(tag, session.language); ok {
return text, true
}
}
if session.languages != nil {
for _, lang := range session.languages {
if lang != session.language {
if text, ok := getString(tag, lang); ok {
return text, true
}
}
}
}
return tag, false
}