94 lines
2.6 KiB
Go
94 lines
2.6 KiB
Go
|
/*
|
||
|
|
* Copyright (C) 2021 Arsen Musayelyan
|
||
|
|
*
|
||
|
|
* This program is free software: you can redistribute it and/or modify
|
||
|
|
* it under the terms of the GNU General Public License as published by
|
||
|
|
* the Free Software Foundation, either version 3 of the License, or
|
||
|
|
* (at your option) any later version.
|
||
|
|
*
|
||
|
|
* This program is distributed in the hope that it will be useful,
|
||
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
* GNU General Public License for more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU General Public License
|
||
|
|
* along with this program. If not, see <https://www.gnu.org/licenses/>.
|
||
|
|
*/
|
||
|
|
|
||
|
|
package main
|
||
|
|
|
||
|
|
import (
|
||
|
|
"os"
|
||
|
|
"regexp"
|
||
|
|
"strconv"
|
||
|
|
)
|
||
|
|
|
||
|
|
// Attempt to match function in config to provided string
|
||
|
|
func getAction(c *Config, tts *string) (*Action, bool) {
|
||
|
|
// For every action in config
|
||
|
|
for _, action := range c.Actions {
|
||
|
|
// Attempt to compile configured regular expression
|
||
|
|
regex, err := regexp.Compile(action.Phrase)
|
||
|
|
if err != nil {
|
||
|
|
return nil, false
|
||
|
|
}
|
||
|
|
// Check if string matches action
|
||
|
|
matched := regex.MatchString(*tts)
|
||
|
|
if matched {
|
||
|
|
return &action, true
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return nil, false
|
||
|
|
}
|
||
|
|
|
||
|
|
// Perform action with input
|
||
|
|
func performAction(a *Action, tts *string, plugins map[string]pluginFunc) (bool, error) {
|
||
|
|
// Attempt to compile configured regular expression
|
||
|
|
regex, err := regexp.Compile(a.Phrase)
|
||
|
|
if err != nil {
|
||
|
|
return false, err
|
||
|
|
}
|
||
|
|
// Find string submatches in string using regular expression
|
||
|
|
match := regex.FindStringSubmatch(*tts)
|
||
|
|
strExpanded := false
|
||
|
|
// Expand instances of $var in action input
|
||
|
|
retCmd := os.Expand(a.Input, func(in string) string {
|
||
|
|
strExpanded = true
|
||
|
|
// Attempt to convert string to integer
|
||
|
|
inputInt, err := strconv.Atoi(in)
|
||
|
|
// If successful
|
||
|
|
if err == nil {
|
||
|
|
// If index nonexistent, return empty string
|
||
|
|
if len(match) <= inputInt {
|
||
|
|
return ""
|
||
|
|
}
|
||
|
|
// Return match at index
|
||
|
|
return match[inputInt]
|
||
|
|
}
|
||
|
|
|
||
|
|
// Get subexpression index for input string
|
||
|
|
subIndex := regex.SubexpIndex(in)
|
||
|
|
// If regex contains subexpression with specified name and match contains index
|
||
|
|
if subIndex != -1 && len(match) >= subIndex {
|
||
|
|
// Return string matched at index
|
||
|
|
return match[subIndex]
|
||
|
|
}
|
||
|
|
// If nothing worked, put variable back
|
||
|
|
return "$" + in
|
||
|
|
})
|
||
|
|
|
||
|
|
// If output remained the same and string was expanded
|
||
|
|
if a.Input == retCmd && strExpanded {
|
||
|
|
return false, nil
|
||
|
|
}
|
||
|
|
|
||
|
|
// If type of action is noop, do nothing and return
|
||
|
|
if a.Type == "noop" {
|
||
|
|
return true, nil
|
||
|
|
}
|
||
|
|
|
||
|
|
// Run plugin with input
|
||
|
|
plugins[a.Type](retCmd, a.Data)
|
||
|
|
return true, nil
|
||
|
|
}
|