init
This commit is contained in:
+242
@@ -0,0 +1,242 @@
|
||||
// Copyright 2014 beego Author. All Rights Reserved.
|
||||
//
|
||||
// Licensed under the Apache License, Version 2.0 (the "License");
|
||||
// you may not use this file except in compliance with the License.
|
||||
// You may obtain a copy of the License at
|
||||
//
|
||||
// http://www.apache.org/licenses/LICENSE-2.0
|
||||
//
|
||||
// Unless required by applicable law or agreed to in writing, software
|
||||
// distributed under the License is distributed on an "AS IS" BASIS,
|
||||
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
// See the License for the specific language governing permissions and
|
||||
// limitations under the License.
|
||||
|
||||
// Package config is used to parse config.
|
||||
// Usage:
|
||||
// import "github.com/astaxie/beego/config"
|
||||
//Examples.
|
||||
//
|
||||
// cnf, err := config.NewConfig("ini", "config.conf")
|
||||
//
|
||||
// cnf APIS:
|
||||
//
|
||||
// cnf.Set(key, val string) error
|
||||
// cnf.String(key string) string
|
||||
// cnf.Strings(key string) []string
|
||||
// cnf.Int(key string) (int, error)
|
||||
// cnf.Int64(key string) (int64, error)
|
||||
// cnf.Bool(key string) (bool, error)
|
||||
// cnf.Float(key string) (float64, error)
|
||||
// cnf.DefaultString(key string, defaultVal string) string
|
||||
// cnf.DefaultStrings(key string, defaultVal []string) []string
|
||||
// cnf.DefaultInt(key string, defaultVal int) int
|
||||
// cnf.DefaultInt64(key string, defaultVal int64) int64
|
||||
// cnf.DefaultBool(key string, defaultVal bool) bool
|
||||
// cnf.DefaultFloat(key string, defaultVal float64) float64
|
||||
// cnf.DIY(key string) (interface{}, error)
|
||||
// cnf.GetSection(section string) (map[string]string, error)
|
||||
// cnf.SaveConfigFile(filename string) error
|
||||
//More docs http://beego.me/docs/module/config.md
|
||||
package config
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"os"
|
||||
"reflect"
|
||||
"time"
|
||||
)
|
||||
|
||||
// Configer defines how to get and set value from configuration raw data.
|
||||
type Configer interface {
|
||||
Set(key, val string) error //support section::key type in given key when using ini type.
|
||||
String(key string) string //support section::key type in key string when using ini and json type; Int,Int64,Bool,Float,DIY are same.
|
||||
Strings(key string) []string //get string slice
|
||||
Int(key string) (int, error)
|
||||
Int64(key string) (int64, error)
|
||||
Bool(key string) (bool, error)
|
||||
Float(key string) (float64, error)
|
||||
DefaultString(key string, defaultVal string) string // support section::key type in key string when using ini and json type; Int,Int64,Bool,Float,DIY are same.
|
||||
DefaultStrings(key string, defaultVal []string) []string //get string slice
|
||||
DefaultInt(key string, defaultVal int) int
|
||||
DefaultInt64(key string, defaultVal int64) int64
|
||||
DefaultBool(key string, defaultVal bool) bool
|
||||
DefaultFloat(key string, defaultVal float64) float64
|
||||
DIY(key string) (interface{}, error)
|
||||
GetSection(section string) (map[string]string, error)
|
||||
SaveConfigFile(filename string) error
|
||||
}
|
||||
|
||||
// Config is the adapter interface for parsing config file to get raw data to Configer.
|
||||
type Config interface {
|
||||
Parse(key string) (Configer, error)
|
||||
ParseData(data []byte) (Configer, error)
|
||||
}
|
||||
|
||||
var adapters = make(map[string]Config)
|
||||
|
||||
// Register makes a config adapter available by the adapter name.
|
||||
// If Register is called twice with the same name or if driver is nil,
|
||||
// it panics.
|
||||
func Register(name string, adapter Config) {
|
||||
if adapter == nil {
|
||||
panic("config: Register adapter is nil")
|
||||
}
|
||||
if _, ok := adapters[name]; ok {
|
||||
panic("config: Register called twice for adapter " + name)
|
||||
}
|
||||
adapters[name] = adapter
|
||||
}
|
||||
|
||||
// NewConfig adapterName is ini/json/xml/yaml.
|
||||
// filename is the config file path.
|
||||
func NewConfig(adapterName, filename string) (Configer, error) {
|
||||
adapter, ok := adapters[adapterName]
|
||||
if !ok {
|
||||
return nil, fmt.Errorf("config: unknown adaptername %q (forgotten import?)", adapterName)
|
||||
}
|
||||
return adapter.Parse(filename)
|
||||
}
|
||||
|
||||
// NewConfigData adapterName is ini/json/xml/yaml.
|
||||
// data is the config data.
|
||||
func NewConfigData(adapterName string, data []byte) (Configer, error) {
|
||||
adapter, ok := adapters[adapterName]
|
||||
if !ok {
|
||||
return nil, fmt.Errorf("config: unknown adaptername %q (forgotten import?)", adapterName)
|
||||
}
|
||||
return adapter.ParseData(data)
|
||||
}
|
||||
|
||||
// ExpandValueEnvForMap convert all string value with environment variable.
|
||||
func ExpandValueEnvForMap(m map[string]interface{}) map[string]interface{} {
|
||||
for k, v := range m {
|
||||
switch value := v.(type) {
|
||||
case string:
|
||||
m[k] = ExpandValueEnv(value)
|
||||
case map[string]interface{}:
|
||||
m[k] = ExpandValueEnvForMap(value)
|
||||
case map[string]string:
|
||||
for k2, v2 := range value {
|
||||
value[k2] = ExpandValueEnv(v2)
|
||||
}
|
||||
m[k] = value
|
||||
}
|
||||
}
|
||||
return m
|
||||
}
|
||||
|
||||
// ExpandValueEnv returns value of convert with environment variable.
|
||||
//
|
||||
// Return environment variable if value start with "${" and end with "}".
|
||||
// Return default value if environment variable is empty or not exist.
|
||||
//
|
||||
// It accept value formats "${env}" , "${env||}}" , "${env||defaultValue}" , "defaultvalue".
|
||||
// Examples:
|
||||
// v1 := config.ExpandValueEnv("${GOPATH}") // return the GOPATH environment variable.
|
||||
// v2 := config.ExpandValueEnv("${GOAsta||/usr/local/go}") // return the default value "/usr/local/go/".
|
||||
// v3 := config.ExpandValueEnv("Astaxie") // return the value "Astaxie".
|
||||
func ExpandValueEnv(value string) (realValue string) {
|
||||
realValue = value
|
||||
|
||||
vLen := len(value)
|
||||
// 3 = ${}
|
||||
if vLen < 3 {
|
||||
return
|
||||
}
|
||||
// Need start with "${" and end with "}", then return.
|
||||
if value[0] != '$' || value[1] != '{' || value[vLen-1] != '}' {
|
||||
return
|
||||
}
|
||||
|
||||
key := ""
|
||||
defaultV := ""
|
||||
// value start with "${"
|
||||
for i := 2; i < vLen; i++ {
|
||||
if value[i] == '|' && (i+1 < vLen && value[i+1] == '|') {
|
||||
key = value[2:i]
|
||||
defaultV = value[i+2 : vLen-1] // other string is default value.
|
||||
break
|
||||
} else if value[i] == '}' {
|
||||
key = value[2:i]
|
||||
break
|
||||
}
|
||||
}
|
||||
|
||||
realValue = os.Getenv(key)
|
||||
if realValue == "" {
|
||||
realValue = defaultV
|
||||
}
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
// ParseBool returns the boolean value represented by the string.
|
||||
//
|
||||
// It accepts 1, 1.0, t, T, TRUE, true, True, YES, yes, Yes,Y, y, ON, on, On,
|
||||
// 0, 0.0, f, F, FALSE, false, False, NO, no, No, N,n, OFF, off, Off.
|
||||
// Any other value returns an error.
|
||||
func ParseBool(val interface{}) (value bool, err error) {
|
||||
if val != nil {
|
||||
switch v := val.(type) {
|
||||
case bool:
|
||||
return v, nil
|
||||
case string:
|
||||
switch v {
|
||||
case "1", "t", "T", "true", "TRUE", "True", "YES", "yes", "Yes", "Y", "y", "ON", "on", "On":
|
||||
return true, nil
|
||||
case "0", "f", "F", "false", "FALSE", "False", "NO", "no", "No", "N", "n", "OFF", "off", "Off":
|
||||
return false, nil
|
||||
}
|
||||
case int8, int32, int64:
|
||||
strV := fmt.Sprintf("%d", v)
|
||||
if strV == "1" {
|
||||
return true, nil
|
||||
} else if strV == "0" {
|
||||
return false, nil
|
||||
}
|
||||
case float64:
|
||||
if v == 1.0 {
|
||||
return true, nil
|
||||
} else if v == 0.0 {
|
||||
return false, nil
|
||||
}
|
||||
}
|
||||
return false, fmt.Errorf("parsing %q: invalid syntax", val)
|
||||
}
|
||||
return false, fmt.Errorf("parsing <nil>: invalid syntax")
|
||||
}
|
||||
|
||||
// ToString converts values of any type to string.
|
||||
func ToString(x interface{}) string {
|
||||
switch y := x.(type) {
|
||||
|
||||
// Handle dates with special logic
|
||||
// This needs to come above the fmt.Stringer
|
||||
// test since time.Time's have a .String()
|
||||
// method
|
||||
case time.Time:
|
||||
return y.Format("A Monday")
|
||||
|
||||
// Handle type string
|
||||
case string:
|
||||
return y
|
||||
|
||||
// Handle type with .String() method
|
||||
case fmt.Stringer:
|
||||
return y.String()
|
||||
|
||||
// Handle type with .Error() method
|
||||
case error:
|
||||
return y.Error()
|
||||
|
||||
}
|
||||
|
||||
// Handle named string type
|
||||
if v := reflect.ValueOf(x); v.Kind() == reflect.String {
|
||||
return v.String()
|
||||
}
|
||||
|
||||
// Fallback to fmt package for anything else like numeric types
|
||||
return fmt.Sprint(x)
|
||||
}
|
||||
+134
@@ -0,0 +1,134 @@
|
||||
// Copyright 2014 beego Author. All Rights Reserved.
|
||||
//
|
||||
// Licensed under the Apache License, Version 2.0 (the "License");
|
||||
// you may not use this file except in compliance with the License.
|
||||
// You may obtain a copy of the License at
|
||||
//
|
||||
// http://www.apache.org/licenses/LICENSE-2.0
|
||||
//
|
||||
// Unless required by applicable law or agreed to in writing, software
|
||||
// distributed under the License is distributed on an "AS IS" BASIS,
|
||||
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
// See the License for the specific language governing permissions and
|
||||
// limitations under the License.
|
||||
|
||||
package config
|
||||
|
||||
import (
|
||||
"errors"
|
||||
"strconv"
|
||||
"strings"
|
||||
)
|
||||
|
||||
type fakeConfigContainer struct {
|
||||
data map[string]string
|
||||
}
|
||||
|
||||
func (c *fakeConfigContainer) getData(key string) string {
|
||||
return c.data[strings.ToLower(key)]
|
||||
}
|
||||
|
||||
func (c *fakeConfigContainer) Set(key, val string) error {
|
||||
c.data[strings.ToLower(key)] = val
|
||||
return nil
|
||||
}
|
||||
|
||||
func (c *fakeConfigContainer) String(key string) string {
|
||||
return c.getData(key)
|
||||
}
|
||||
|
||||
func (c *fakeConfigContainer) DefaultString(key string, defaultval string) string {
|
||||
v := c.String(key)
|
||||
if v == "" {
|
||||
return defaultval
|
||||
}
|
||||
return v
|
||||
}
|
||||
|
||||
func (c *fakeConfigContainer) Strings(key string) []string {
|
||||
v := c.String(key)
|
||||
if v == "" {
|
||||
return nil
|
||||
}
|
||||
return strings.Split(v, ";")
|
||||
}
|
||||
|
||||
func (c *fakeConfigContainer) DefaultStrings(key string, defaultval []string) []string {
|
||||
v := c.Strings(key)
|
||||
if v == nil {
|
||||
return defaultval
|
||||
}
|
||||
return v
|
||||
}
|
||||
|
||||
func (c *fakeConfigContainer) Int(key string) (int, error) {
|
||||
return strconv.Atoi(c.getData(key))
|
||||
}
|
||||
|
||||
func (c *fakeConfigContainer) DefaultInt(key string, defaultval int) int {
|
||||
v, err := c.Int(key)
|
||||
if err != nil {
|
||||
return defaultval
|
||||
}
|
||||
return v
|
||||
}
|
||||
|
||||
func (c *fakeConfigContainer) Int64(key string) (int64, error) {
|
||||
return strconv.ParseInt(c.getData(key), 10, 64)
|
||||
}
|
||||
|
||||
func (c *fakeConfigContainer) DefaultInt64(key string, defaultval int64) int64 {
|
||||
v, err := c.Int64(key)
|
||||
if err != nil {
|
||||
return defaultval
|
||||
}
|
||||
return v
|
||||
}
|
||||
|
||||
func (c *fakeConfigContainer) Bool(key string) (bool, error) {
|
||||
return ParseBool(c.getData(key))
|
||||
}
|
||||
|
||||
func (c *fakeConfigContainer) DefaultBool(key string, defaultval bool) bool {
|
||||
v, err := c.Bool(key)
|
||||
if err != nil {
|
||||
return defaultval
|
||||
}
|
||||
return v
|
||||
}
|
||||
|
||||
func (c *fakeConfigContainer) Float(key string) (float64, error) {
|
||||
return strconv.ParseFloat(c.getData(key), 64)
|
||||
}
|
||||
|
||||
func (c *fakeConfigContainer) DefaultFloat(key string, defaultval float64) float64 {
|
||||
v, err := c.Float(key)
|
||||
if err != nil {
|
||||
return defaultval
|
||||
}
|
||||
return v
|
||||
}
|
||||
|
||||
func (c *fakeConfigContainer) DIY(key string) (interface{}, error) {
|
||||
if v, ok := c.data[strings.ToLower(key)]; ok {
|
||||
return v, nil
|
||||
}
|
||||
return nil, errors.New("key not find")
|
||||
}
|
||||
|
||||
func (c *fakeConfigContainer) GetSection(section string) (map[string]string, error) {
|
||||
return nil, errors.New("not implement in the fakeConfigContainer")
|
||||
}
|
||||
|
||||
func (c *fakeConfigContainer) SaveConfigFile(filename string) error {
|
||||
return errors.New("not implement in the fakeConfigContainer")
|
||||
}
|
||||
|
||||
var _ Configer = new(fakeConfigContainer)
|
||||
|
||||
// NewFakeConfig return a fake Configer
|
||||
func NewFakeConfig() Configer {
|
||||
return &fakeConfigContainer{
|
||||
data: make(map[string]string),
|
||||
}
|
||||
}
|
||||
+504
@@ -0,0 +1,504 @@
|
||||
// Copyright 2014 beego Author. All Rights Reserved.
|
||||
//
|
||||
// Licensed under the Apache License, Version 2.0 (the "License");
|
||||
// you may not use this file except in compliance with the License.
|
||||
// You may obtain a copy of the License at
|
||||
//
|
||||
// http://www.apache.org/licenses/LICENSE-2.0
|
||||
//
|
||||
// Unless required by applicable law or agreed to in writing, software
|
||||
// distributed under the License is distributed on an "AS IS" BASIS,
|
||||
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
// See the License for the specific language governing permissions and
|
||||
// limitations under the License.
|
||||
|
||||
package config
|
||||
|
||||
import (
|
||||
"bufio"
|
||||
"bytes"
|
||||
"errors"
|
||||
"io"
|
||||
"io/ioutil"
|
||||
"os"
|
||||
"os/user"
|
||||
"path/filepath"
|
||||
"strconv"
|
||||
"strings"
|
||||
"sync"
|
||||
)
|
||||
|
||||
var (
|
||||
defaultSection = "default" // default section means if some ini items not in a section, make them in default section,
|
||||
bNumComment = []byte{'#'} // number signal
|
||||
bSemComment = []byte{';'} // semicolon signal
|
||||
bEmpty = []byte{}
|
||||
bEqual = []byte{'='} // equal signal
|
||||
bDQuote = []byte{'"'} // quote signal
|
||||
sectionStart = []byte{'['} // section start signal
|
||||
sectionEnd = []byte{']'} // section end signal
|
||||
lineBreak = "\n"
|
||||
)
|
||||
|
||||
// IniConfig implements Config to parse ini file.
|
||||
type IniConfig struct {
|
||||
}
|
||||
|
||||
// Parse creates a new Config and parses the file configuration from the named file.
|
||||
func (ini *IniConfig) Parse(name string) (Configer, error) {
|
||||
return ini.parseFile(name)
|
||||
}
|
||||
|
||||
func (ini *IniConfig) parseFile(name string) (*IniConfigContainer, error) {
|
||||
data, err := ioutil.ReadFile(name)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
return ini.parseData(filepath.Dir(name), data)
|
||||
}
|
||||
|
||||
func (ini *IniConfig) parseData(dir string, data []byte) (*IniConfigContainer, error) {
|
||||
cfg := &IniConfigContainer{
|
||||
data: make(map[string]map[string]string),
|
||||
sectionComment: make(map[string]string),
|
||||
keyComment: make(map[string]string),
|
||||
RWMutex: sync.RWMutex{},
|
||||
}
|
||||
cfg.Lock()
|
||||
defer cfg.Unlock()
|
||||
|
||||
var comment bytes.Buffer
|
||||
buf := bufio.NewReader(bytes.NewBuffer(data))
|
||||
// check the BOM
|
||||
head, err := buf.Peek(3)
|
||||
if err == nil && head[0] == 239 && head[1] == 187 && head[2] == 191 {
|
||||
for i := 1; i <= 3; i++ {
|
||||
buf.ReadByte()
|
||||
}
|
||||
}
|
||||
section := defaultSection
|
||||
tmpBuf := bytes.NewBuffer(nil)
|
||||
for {
|
||||
tmpBuf.Reset()
|
||||
|
||||
shouldBreak := false
|
||||
for {
|
||||
tmp, isPrefix, err := buf.ReadLine()
|
||||
if err == io.EOF {
|
||||
shouldBreak = true
|
||||
break
|
||||
}
|
||||
|
||||
//It might be a good idea to throw a error on all unknonw errors?
|
||||
if _, ok := err.(*os.PathError); ok {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
tmpBuf.Write(tmp)
|
||||
if isPrefix {
|
||||
continue
|
||||
}
|
||||
|
||||
if !isPrefix {
|
||||
break
|
||||
}
|
||||
}
|
||||
if shouldBreak {
|
||||
break
|
||||
}
|
||||
|
||||
line := tmpBuf.Bytes()
|
||||
line = bytes.TrimSpace(line)
|
||||
if bytes.Equal(line, bEmpty) {
|
||||
continue
|
||||
}
|
||||
var bComment []byte
|
||||
switch {
|
||||
case bytes.HasPrefix(line, bNumComment):
|
||||
bComment = bNumComment
|
||||
case bytes.HasPrefix(line, bSemComment):
|
||||
bComment = bSemComment
|
||||
}
|
||||
if bComment != nil {
|
||||
line = bytes.TrimLeft(line, string(bComment))
|
||||
// Need append to a new line if multi-line comments.
|
||||
if comment.Len() > 0 {
|
||||
comment.WriteByte('\n')
|
||||
}
|
||||
comment.Write(line)
|
||||
continue
|
||||
}
|
||||
|
||||
if bytes.HasPrefix(line, sectionStart) && bytes.HasSuffix(line, sectionEnd) {
|
||||
section = strings.ToLower(string(line[1 : len(line)-1])) // section name case insensitive
|
||||
if comment.Len() > 0 {
|
||||
cfg.sectionComment[section] = comment.String()
|
||||
comment.Reset()
|
||||
}
|
||||
if _, ok := cfg.data[section]; !ok {
|
||||
cfg.data[section] = make(map[string]string)
|
||||
}
|
||||
continue
|
||||
}
|
||||
|
||||
if _, ok := cfg.data[section]; !ok {
|
||||
cfg.data[section] = make(map[string]string)
|
||||
}
|
||||
keyValue := bytes.SplitN(line, bEqual, 2)
|
||||
|
||||
key := string(bytes.TrimSpace(keyValue[0])) // key name case insensitive
|
||||
key = strings.ToLower(key)
|
||||
|
||||
// handle include "other.conf"
|
||||
if len(keyValue) == 1 && strings.HasPrefix(key, "include") {
|
||||
|
||||
includefiles := strings.Fields(key)
|
||||
if includefiles[0] == "include" && len(includefiles) == 2 {
|
||||
|
||||
otherfile := strings.Trim(includefiles[1], "\"")
|
||||
if !filepath.IsAbs(otherfile) {
|
||||
otherfile = filepath.Join(dir, otherfile)
|
||||
}
|
||||
|
||||
i, err := ini.parseFile(otherfile)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
for sec, dt := range i.data {
|
||||
if _, ok := cfg.data[sec]; !ok {
|
||||
cfg.data[sec] = make(map[string]string)
|
||||
}
|
||||
for k, v := range dt {
|
||||
cfg.data[sec][k] = v
|
||||
}
|
||||
}
|
||||
|
||||
for sec, comm := range i.sectionComment {
|
||||
cfg.sectionComment[sec] = comm
|
||||
}
|
||||
|
||||
for k, comm := range i.keyComment {
|
||||
cfg.keyComment[k] = comm
|
||||
}
|
||||
|
||||
continue
|
||||
}
|
||||
}
|
||||
|
||||
if len(keyValue) != 2 {
|
||||
return nil, errors.New("read the content error: \"" + string(line) + "\", should key = val")
|
||||
}
|
||||
val := bytes.TrimSpace(keyValue[1])
|
||||
if bytes.HasPrefix(val, bDQuote) {
|
||||
val = bytes.Trim(val, `"`)
|
||||
}
|
||||
|
||||
cfg.data[section][key] = ExpandValueEnv(string(val))
|
||||
if comment.Len() > 0 {
|
||||
cfg.keyComment[section+"."+key] = comment.String()
|
||||
comment.Reset()
|
||||
}
|
||||
|
||||
}
|
||||
return cfg, nil
|
||||
}
|
||||
|
||||
// ParseData parse ini the data
|
||||
// When include other.conf,other.conf is either absolute directory
|
||||
// or under beego in default temporary directory(/tmp/beego[-username]).
|
||||
func (ini *IniConfig) ParseData(data []byte) (Configer, error) {
|
||||
dir := "beego"
|
||||
currentUser, err := user.Current()
|
||||
if err == nil {
|
||||
dir = "beego-" + currentUser.Username
|
||||
}
|
||||
dir = filepath.Join(os.TempDir(), dir)
|
||||
if err = os.MkdirAll(dir, os.ModePerm); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
return ini.parseData(dir, data)
|
||||
}
|
||||
|
||||
// IniConfigContainer A Config represents the ini configuration.
|
||||
// When set and get value, support key as section:name type.
|
||||
type IniConfigContainer struct {
|
||||
data map[string]map[string]string // section=> key:val
|
||||
sectionComment map[string]string // section : comment
|
||||
keyComment map[string]string // id: []{comment, key...}; id 1 is for main comment.
|
||||
sync.RWMutex
|
||||
}
|
||||
|
||||
// Bool returns the boolean value for a given key.
|
||||
func (c *IniConfigContainer) Bool(key string) (bool, error) {
|
||||
return ParseBool(c.getdata(key))
|
||||
}
|
||||
|
||||
// DefaultBool returns the boolean value for a given key.
|
||||
// if err != nil return defaultval
|
||||
func (c *IniConfigContainer) DefaultBool(key string, defaultval bool) bool {
|
||||
v, err := c.Bool(key)
|
||||
if err != nil {
|
||||
return defaultval
|
||||
}
|
||||
return v
|
||||
}
|
||||
|
||||
// Int returns the integer value for a given key.
|
||||
func (c *IniConfigContainer) Int(key string) (int, error) {
|
||||
return strconv.Atoi(c.getdata(key))
|
||||
}
|
||||
|
||||
// DefaultInt returns the integer value for a given key.
|
||||
// if err != nil return defaultval
|
||||
func (c *IniConfigContainer) DefaultInt(key string, defaultval int) int {
|
||||
v, err := c.Int(key)
|
||||
if err != nil {
|
||||
return defaultval
|
||||
}
|
||||
return v
|
||||
}
|
||||
|
||||
// Int64 returns the int64 value for a given key.
|
||||
func (c *IniConfigContainer) Int64(key string) (int64, error) {
|
||||
return strconv.ParseInt(c.getdata(key), 10, 64)
|
||||
}
|
||||
|
||||
// DefaultInt64 returns the int64 value for a given key.
|
||||
// if err != nil return defaultval
|
||||
func (c *IniConfigContainer) DefaultInt64(key string, defaultval int64) int64 {
|
||||
v, err := c.Int64(key)
|
||||
if err != nil {
|
||||
return defaultval
|
||||
}
|
||||
return v
|
||||
}
|
||||
|
||||
// Float returns the float value for a given key.
|
||||
func (c *IniConfigContainer) Float(key string) (float64, error) {
|
||||
return strconv.ParseFloat(c.getdata(key), 64)
|
||||
}
|
||||
|
||||
// DefaultFloat returns the float64 value for a given key.
|
||||
// if err != nil return defaultval
|
||||
func (c *IniConfigContainer) DefaultFloat(key string, defaultval float64) float64 {
|
||||
v, err := c.Float(key)
|
||||
if err != nil {
|
||||
return defaultval
|
||||
}
|
||||
return v
|
||||
}
|
||||
|
||||
// String returns the string value for a given key.
|
||||
func (c *IniConfigContainer) String(key string) string {
|
||||
return c.getdata(key)
|
||||
}
|
||||
|
||||
// DefaultString returns the string value for a given key.
|
||||
// if err != nil return defaultval
|
||||
func (c *IniConfigContainer) DefaultString(key string, defaultval string) string {
|
||||
v := c.String(key)
|
||||
if v == "" {
|
||||
return defaultval
|
||||
}
|
||||
return v
|
||||
}
|
||||
|
||||
// Strings returns the []string value for a given key.
|
||||
// Return nil if config value does not exist or is empty.
|
||||
func (c *IniConfigContainer) Strings(key string) []string {
|
||||
v := c.String(key)
|
||||
if v == "" {
|
||||
return nil
|
||||
}
|
||||
return strings.Split(v, ";")
|
||||
}
|
||||
|
||||
// DefaultStrings returns the []string value for a given key.
|
||||
// if err != nil return defaultval
|
||||
func (c *IniConfigContainer) DefaultStrings(key string, defaultval []string) []string {
|
||||
v := c.Strings(key)
|
||||
if v == nil {
|
||||
return defaultval
|
||||
}
|
||||
return v
|
||||
}
|
||||
|
||||
// GetSection returns map for the given section
|
||||
func (c *IniConfigContainer) GetSection(section string) (map[string]string, error) {
|
||||
if v, ok := c.data[section]; ok {
|
||||
return v, nil
|
||||
}
|
||||
return nil, errors.New("not exist section")
|
||||
}
|
||||
|
||||
// SaveConfigFile save the config into file.
|
||||
//
|
||||
// BUG(env): The environment variable config item will be saved with real value in SaveConfigFile Function.
|
||||
func (c *IniConfigContainer) SaveConfigFile(filename string) (err error) {
|
||||
// Write configuration file by filename.
|
||||
f, err := os.Create(filename)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
defer f.Close()
|
||||
|
||||
// Get section or key comments. Fixed #1607
|
||||
getCommentStr := func(section, key string) string {
|
||||
var (
|
||||
comment string
|
||||
ok bool
|
||||
)
|
||||
if len(key) == 0 {
|
||||
comment, ok = c.sectionComment[section]
|
||||
} else {
|
||||
comment, ok = c.keyComment[section+"."+key]
|
||||
}
|
||||
|
||||
if ok {
|
||||
// Empty comment
|
||||
if len(comment) == 0 || len(strings.TrimSpace(comment)) == 0 {
|
||||
return string(bNumComment)
|
||||
}
|
||||
prefix := string(bNumComment)
|
||||
// Add the line head character "#"
|
||||
return prefix + strings.Replace(comment, lineBreak, lineBreak+prefix, -1)
|
||||
}
|
||||
return ""
|
||||
}
|
||||
|
||||
buf := bytes.NewBuffer(nil)
|
||||
// Save default section at first place
|
||||
if dt, ok := c.data[defaultSection]; ok {
|
||||
for key, val := range dt {
|
||||
if key != " " {
|
||||
// Write key comments.
|
||||
if v := getCommentStr(defaultSection, key); len(v) > 0 {
|
||||
if _, err = buf.WriteString(v + lineBreak); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
|
||||
// Write key and value.
|
||||
if _, err = buf.WriteString(key + string(bEqual) + val + lineBreak); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Put a line between sections.
|
||||
if _, err = buf.WriteString(lineBreak); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
// Save named sections
|
||||
for section, dt := range c.data {
|
||||
if section != defaultSection {
|
||||
// Write section comments.
|
||||
if v := getCommentStr(section, ""); len(v) > 0 {
|
||||
if _, err = buf.WriteString(v + lineBreak); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
|
||||
// Write section name.
|
||||
if _, err = buf.WriteString(string(sectionStart) + section + string(sectionEnd) + lineBreak); err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
for key, val := range dt {
|
||||
if key != " " {
|
||||
// Write key comments.
|
||||
if v := getCommentStr(section, key); len(v) > 0 {
|
||||
if _, err = buf.WriteString(v + lineBreak); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
|
||||
// Write key and value.
|
||||
if _, err = buf.WriteString(key + string(bEqual) + val + lineBreak); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Put a line between sections.
|
||||
if _, err = buf.WriteString(lineBreak); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
}
|
||||
_, err = buf.WriteTo(f)
|
||||
return err
|
||||
}
|
||||
|
||||
// Set writes a new value for key.
|
||||
// if write to one section, the key need be "section::key".
|
||||
// if the section is not existed, it panics.
|
||||
func (c *IniConfigContainer) Set(key, value string) error {
|
||||
c.Lock()
|
||||
defer c.Unlock()
|
||||
if len(key) == 0 {
|
||||
return errors.New("key is empty")
|
||||
}
|
||||
|
||||
var (
|
||||
section, k string
|
||||
sectionKey = strings.Split(strings.ToLower(key), "::")
|
||||
)
|
||||
|
||||
if len(sectionKey) >= 2 {
|
||||
section = sectionKey[0]
|
||||
k = sectionKey[1]
|
||||
} else {
|
||||
section = defaultSection
|
||||
k = sectionKey[0]
|
||||
}
|
||||
|
||||
if _, ok := c.data[section]; !ok {
|
||||
c.data[section] = make(map[string]string)
|
||||
}
|
||||
c.data[section][k] = value
|
||||
return nil
|
||||
}
|
||||
|
||||
// DIY returns the raw value by a given key.
|
||||
func (c *IniConfigContainer) DIY(key string) (v interface{}, err error) {
|
||||
if v, ok := c.data[strings.ToLower(key)]; ok {
|
||||
return v, nil
|
||||
}
|
||||
return v, errors.New("key not find")
|
||||
}
|
||||
|
||||
// section.key or key
|
||||
func (c *IniConfigContainer) getdata(key string) string {
|
||||
if len(key) == 0 {
|
||||
return ""
|
||||
}
|
||||
c.RLock()
|
||||
defer c.RUnlock()
|
||||
|
||||
var (
|
||||
section, k string
|
||||
sectionKey = strings.Split(strings.ToLower(key), "::")
|
||||
)
|
||||
if len(sectionKey) >= 2 {
|
||||
section = sectionKey[0]
|
||||
k = sectionKey[1]
|
||||
} else {
|
||||
section = defaultSection
|
||||
k = sectionKey[0]
|
||||
}
|
||||
if v, ok := c.data[section]; ok {
|
||||
if vv, ok := v[k]; ok {
|
||||
return vv
|
||||
}
|
||||
}
|
||||
return ""
|
||||
}
|
||||
|
||||
func init() {
|
||||
Register("ini", &IniConfig{})
|
||||
}
|
||||
+266
@@ -0,0 +1,266 @@
|
||||
// Copyright 2014 beego Author. All Rights Reserved.
|
||||
//
|
||||
// Licensed under the Apache License, Version 2.0 (the "License");
|
||||
// you may not use this file except in compliance with the License.
|
||||
// You may obtain a copy of the License at
|
||||
//
|
||||
// http://www.apache.org/licenses/LICENSE-2.0
|
||||
//
|
||||
// Unless required by applicable law or agreed to in writing, software
|
||||
// distributed under the License is distributed on an "AS IS" BASIS,
|
||||
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
// See the License for the specific language governing permissions and
|
||||
// limitations under the License.
|
||||
|
||||
package config
|
||||
|
||||
import (
|
||||
"encoding/json"
|
||||
"errors"
|
||||
"fmt"
|
||||
"io/ioutil"
|
||||
"os"
|
||||
"strings"
|
||||
"sync"
|
||||
)
|
||||
|
||||
// JSONConfig is a json config parser and implements Config interface.
|
||||
type JSONConfig struct {
|
||||
}
|
||||
|
||||
// Parse returns a ConfigContainer with parsed json config map.
|
||||
func (js *JSONConfig) Parse(filename string) (Configer, error) {
|
||||
file, err := os.Open(filename)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
defer file.Close()
|
||||
content, err := ioutil.ReadAll(file)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
return js.ParseData(content)
|
||||
}
|
||||
|
||||
// ParseData returns a ConfigContainer with json string
|
||||
func (js *JSONConfig) ParseData(data []byte) (Configer, error) {
|
||||
x := &JSONConfigContainer{
|
||||
data: make(map[string]interface{}),
|
||||
}
|
||||
err := json.Unmarshal(data, &x.data)
|
||||
if err != nil {
|
||||
var wrappingArray []interface{}
|
||||
err2 := json.Unmarshal(data, &wrappingArray)
|
||||
if err2 != nil {
|
||||
return nil, err
|
||||
}
|
||||
x.data["rootArray"] = wrappingArray
|
||||
}
|
||||
|
||||
x.data = ExpandValueEnvForMap(x.data)
|
||||
|
||||
return x, nil
|
||||
}
|
||||
|
||||
// JSONConfigContainer A Config represents the json configuration.
|
||||
// Only when get value, support key as section:name type.
|
||||
type JSONConfigContainer struct {
|
||||
data map[string]interface{}
|
||||
sync.RWMutex
|
||||
}
|
||||
|
||||
// Bool returns the boolean value for a given key.
|
||||
func (c *JSONConfigContainer) Bool(key string) (bool, error) {
|
||||
val := c.getData(key)
|
||||
if val != nil {
|
||||
return ParseBool(val)
|
||||
}
|
||||
return false, fmt.Errorf("not exist key: %q", key)
|
||||
}
|
||||
|
||||
// DefaultBool return the bool value if has no error
|
||||
// otherwise return the defaultval
|
||||
func (c *JSONConfigContainer) DefaultBool(key string, defaultval bool) bool {
|
||||
if v, err := c.Bool(key); err == nil {
|
||||
return v
|
||||
}
|
||||
return defaultval
|
||||
}
|
||||
|
||||
// Int returns the integer value for a given key.
|
||||
func (c *JSONConfigContainer) Int(key string) (int, error) {
|
||||
val := c.getData(key)
|
||||
if val != nil {
|
||||
if v, ok := val.(float64); ok {
|
||||
return int(v), nil
|
||||
}
|
||||
return 0, errors.New("not int value")
|
||||
}
|
||||
return 0, errors.New("not exist key:" + key)
|
||||
}
|
||||
|
||||
// DefaultInt returns the integer value for a given key.
|
||||
// if err != nil return defaultval
|
||||
func (c *JSONConfigContainer) DefaultInt(key string, defaultval int) int {
|
||||
if v, err := c.Int(key); err == nil {
|
||||
return v
|
||||
}
|
||||
return defaultval
|
||||
}
|
||||
|
||||
// Int64 returns the int64 value for a given key.
|
||||
func (c *JSONConfigContainer) Int64(key string) (int64, error) {
|
||||
val := c.getData(key)
|
||||
if val != nil {
|
||||
if v, ok := val.(float64); ok {
|
||||
return int64(v), nil
|
||||
}
|
||||
return 0, errors.New("not int64 value")
|
||||
}
|
||||
return 0, errors.New("not exist key:" + key)
|
||||
}
|
||||
|
||||
// DefaultInt64 returns the int64 value for a given key.
|
||||
// if err != nil return defaultval
|
||||
func (c *JSONConfigContainer) DefaultInt64(key string, defaultval int64) int64 {
|
||||
if v, err := c.Int64(key); err == nil {
|
||||
return v
|
||||
}
|
||||
return defaultval
|
||||
}
|
||||
|
||||
// Float returns the float value for a given key.
|
||||
func (c *JSONConfigContainer) Float(key string) (float64, error) {
|
||||
val := c.getData(key)
|
||||
if val != nil {
|
||||
if v, ok := val.(float64); ok {
|
||||
return v, nil
|
||||
}
|
||||
return 0.0, errors.New("not float64 value")
|
||||
}
|
||||
return 0.0, errors.New("not exist key:" + key)
|
||||
}
|
||||
|
||||
// DefaultFloat returns the float64 value for a given key.
|
||||
// if err != nil return defaultval
|
||||
func (c *JSONConfigContainer) DefaultFloat(key string, defaultval float64) float64 {
|
||||
if v, err := c.Float(key); err == nil {
|
||||
return v
|
||||
}
|
||||
return defaultval
|
||||
}
|
||||
|
||||
// String returns the string value for a given key.
|
||||
func (c *JSONConfigContainer) String(key string) string {
|
||||
val := c.getData(key)
|
||||
if val != nil {
|
||||
if v, ok := val.(string); ok {
|
||||
return v
|
||||
}
|
||||
}
|
||||
return ""
|
||||
}
|
||||
|
||||
// DefaultString returns the string value for a given key.
|
||||
// if err != nil return defaultval
|
||||
func (c *JSONConfigContainer) DefaultString(key string, defaultval string) string {
|
||||
// TODO FIXME should not use "" to replace non existence
|
||||
if v := c.String(key); v != "" {
|
||||
return v
|
||||
}
|
||||
return defaultval
|
||||
}
|
||||
|
||||
// Strings returns the []string value for a given key.
|
||||
func (c *JSONConfigContainer) Strings(key string) []string {
|
||||
stringVal := c.String(key)
|
||||
if stringVal == "" {
|
||||
return nil
|
||||
}
|
||||
return strings.Split(c.String(key), ";")
|
||||
}
|
||||
|
||||
// DefaultStrings returns the []string value for a given key.
|
||||
// if err != nil return defaultval
|
||||
func (c *JSONConfigContainer) DefaultStrings(key string, defaultval []string) []string {
|
||||
if v := c.Strings(key); v != nil {
|
||||
return v
|
||||
}
|
||||
return defaultval
|
||||
}
|
||||
|
||||
// GetSection returns map for the given section
|
||||
func (c *JSONConfigContainer) GetSection(section string) (map[string]string, error) {
|
||||
if v, ok := c.data[section]; ok {
|
||||
return v.(map[string]string), nil
|
||||
}
|
||||
return nil, errors.New("nonexist section " + section)
|
||||
}
|
||||
|
||||
// SaveConfigFile save the config into file
|
||||
func (c *JSONConfigContainer) SaveConfigFile(filename string) (err error) {
|
||||
// Write configuration file by filename.
|
||||
f, err := os.Create(filename)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
defer f.Close()
|
||||
b, err := json.MarshalIndent(c.data, "", " ")
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
_, err = f.Write(b)
|
||||
return err
|
||||
}
|
||||
|
||||
// Set writes a new value for key.
|
||||
func (c *JSONConfigContainer) Set(key, val string) error {
|
||||
c.Lock()
|
||||
defer c.Unlock()
|
||||
c.data[key] = val
|
||||
return nil
|
||||
}
|
||||
|
||||
// DIY returns the raw value by a given key.
|
||||
func (c *JSONConfigContainer) DIY(key string) (v interface{}, err error) {
|
||||
val := c.getData(key)
|
||||
if val != nil {
|
||||
return val, nil
|
||||
}
|
||||
return nil, errors.New("not exist key")
|
||||
}
|
||||
|
||||
// section.key or key
|
||||
func (c *JSONConfigContainer) getData(key string) interface{} {
|
||||
if len(key) == 0 {
|
||||
return nil
|
||||
}
|
||||
|
||||
c.RLock()
|
||||
defer c.RUnlock()
|
||||
|
||||
sectionKeys := strings.Split(key, "::")
|
||||
if len(sectionKeys) >= 2 {
|
||||
curValue, ok := c.data[sectionKeys[0]]
|
||||
if !ok {
|
||||
return nil
|
||||
}
|
||||
for _, key := range sectionKeys[1:] {
|
||||
if v, ok := curValue.(map[string]interface{}); ok {
|
||||
if curValue, ok = v[key]; !ok {
|
||||
return nil
|
||||
}
|
||||
}
|
||||
}
|
||||
return curValue
|
||||
}
|
||||
if v, ok := c.data[key]; ok {
|
||||
return v
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func init() {
|
||||
Register("json", &JSONConfig{})
|
||||
}
|
||||
Reference in New Issue
Block a user