mirror of
https://github.com/cgrates/cgrates.git
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107 lines
3.0 KiB
Go
107 lines
3.0 KiB
Go
/*
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Rating system designed to be used in VoIP Carriers World
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Copyright (C) 2013 ITsysCOM
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>
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*/
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package console
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import (
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"bytes"
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"fmt"
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"regexp"
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"strings"
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"github.com/cgrates/cgrates/utils"
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)
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var (
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commands = make(map[string]Commander)
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lineR = regexp.MustCompile(`(\w+)\s*=\s*(.+?)(?:\s+|$)`)
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jsonR = regexp.MustCompile(`"(\w+)":(.+?)[,|}]`)
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)
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// Console Command interface
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type Commander interface {
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FromArgs(args string, verbose bool) error // Load data from os arguments or flag.Args()
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Usage() string // usage message
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RpcMethod() string // Method which should be called remotely
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RpcParams() interface{} // Parameters to send out on rpc
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RpcResult() interface{} // Only requirement is to have a String method to print on console
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ClientArgs() []string // for autocompletion
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Name() string
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}
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func GetCommands() map[string]Commander {
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return commands
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}
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func getAvailabelCommandsErr() error {
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var keys []string
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for key, _ := range commands {
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keys = append(keys, key)
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}
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return fmt.Errorf("\n\tAvailable commands <%s>\n", strings.Join(keys, "|"))
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}
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// Process args and return right command Value or error
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func GetCommandValue(command string, verbose bool) (Commander, error) {
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if len(command) == 0 {
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return nil, getAvailabelCommandsErr()
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}
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firstSpace := strings.Index(command, " ")
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var cmdName string
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var cmdArgs string
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if firstSpace <= 0 {
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cmdName = command[:len(command)]
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cmdArgs = ""
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} else {
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cmdName = command[:firstSpace]
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cmdArgs = command[firstSpace+1:]
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}
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cmdVal, exists := commands[cmdName]
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if !exists {
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return nil, getAvailabelCommandsErr()
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}
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if err := cmdVal.FromArgs(cmdArgs, verbose); err != nil {
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return nil, err
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}
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return cmdVal, nil
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}
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func ToJSON(line string) (jsn []byte) {
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jsn = append(jsn, '{')
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for _, group := range lineR.FindAllStringSubmatch(line, -1) {
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if len(group) == 3 {
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jsn = append(jsn, []byte(fmt.Sprintf("\"%s\":%s,", group[1], group[2]))...)
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}
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}
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jsn = bytes.TrimRight(jsn, ",")
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jsn = append(jsn, '}')
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return
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}
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func FromJSON(jsn []byte, interestingFields []string) (line string) {
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for _, group := range jsonR.FindAllSubmatch(jsn, -1) {
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if len(group) == 3 {
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if utils.IsSliceMember(interestingFields, string(group[1])) {
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line += fmt.Sprintf("%s=%s ", group[1], group[2])
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}
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}
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}
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return strings.TrimSpace(line)
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}
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