mirror of
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110 lines
2.7 KiB
Go
110 lines
2.7 KiB
Go
// Beego (http://beego.me/)
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//
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// @description beego is an open-source, high-performance web framework for the Go programming language.
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//
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// @link http://github.com/astaxie/beego for the canonical source repository
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//
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// @license http://github.com/astaxie/beego/blob/master/LICENSE
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//
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// @authors astaxie
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package xml
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import (
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"errors"
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"io/ioutil"
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"os"
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"strconv"
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"strings"
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"sync"
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"github.com/astaxie/beego/config"
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"github.com/beego/x2j"
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)
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// XmlConfig is a xml config parser and implements Config interface.
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// xml configurations should be included in <config></config> tag.
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// only support key/value pair as <key>value</key> as each item.
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type XMLConfig struct{}
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// Parse returns a ConfigContainer with parsed xml config map.
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func (xc *XMLConfig) Parse(filename string) (config.ConfigContainer, error) {
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file, err := os.Open(filename)
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if err != nil {
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return nil, err
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}
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defer file.Close()
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x := &XMLConfigContainer{data: make(map[string]interface{})}
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content, err := ioutil.ReadAll(file)
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if err != nil {
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return nil, err
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}
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d, err := x2j.DocToMap(string(content))
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if err != nil {
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return nil, err
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}
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x.data = d["config"].(map[string]interface{})
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return x, nil
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}
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// A Config represents the xml configuration.
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type XMLConfigContainer struct {
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data map[string]interface{}
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sync.Mutex
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}
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// Bool returns the boolean value for a given key.
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func (c *XMLConfigContainer) Bool(key string) (bool, error) {
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return strconv.ParseBool(c.data[key].(string))
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}
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// Int returns the integer value for a given key.
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func (c *XMLConfigContainer) Int(key string) (int, error) {
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return strconv.Atoi(c.data[key].(string))
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}
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// Int64 returns the int64 value for a given key.
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func (c *XMLConfigContainer) Int64(key string) (int64, error) {
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return strconv.ParseInt(c.data[key].(string), 10, 64)
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}
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// Float returns the float value for a given key.
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func (c *XMLConfigContainer) Float(key string) (float64, error) {
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return strconv.ParseFloat(c.data[key].(string), 64)
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}
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// String returns the string value for a given key.
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func (c *XMLConfigContainer) String(key string) string {
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if v, ok := c.data[key].(string); ok {
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return v
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}
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return ""
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}
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// Strings returns the []string value for a given key.
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func (c *XMLConfigContainer) Strings(key string) []string {
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return strings.Split(c.String(key), ";")
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}
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// WriteValue writes a new value for key.
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func (c *XMLConfigContainer) Set(key, val string) error {
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c.Lock()
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defer c.Unlock()
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c.data[key] = val
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return nil
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}
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// DIY returns the raw value by a given key.
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func (c *XMLConfigContainer) DIY(key string) (v interface{}, err error) {
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if v, ok := c.data[key]; ok {
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return v, nil
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}
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return nil, errors.New("not exist key")
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}
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func init() {
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config.Register("xml", &XMLConfig{})
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}
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