blob: c9ba83769c0092400b6c7e618bd727f4b4bbed85 [file] [log] [blame]
/*
* Copyright 2018-present Open Networking Foundation
* 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 util
import (
"fmt"
"os"
)
/*
ProcessTable parses table structure and executes functions
*/
func ProcessTable(functionTable map[string]func(bool), inputPrompt string) {
keys := []string{}
for k := range functionTable {
keys = append(keys, k)
}
var b = make([]byte, 1)
input := ""
fmt.Print(inputPrompt)
for {
os.Stdin.Read(b)
char := string(b)
if char == "\t" || char == "\n" || char == "?" {
fmt.Println("")
ret, prompt := Test(input, keys)
if len(ret) == 1 {
input = ret[0]
if input == "exit" {
return
}
if char == "\n" {
Route(input, functionTable, true)
} else {
Route(input, functionTable, false)
}
input = ""
fmt.Print(inputPrompt)
} else if len(ret) == 0 {
input = ""
fmt.Println("\nInvalid Input ")
fmt.Print(inputPrompt)
} else if len(ret) == 0 {
} else {
fmt.Println(ret)
input = prompt
fmt.Print(inputPrompt)
fmt.Print(prompt)
}
} else if char == " " {
_, ok := functionTable[input]
if ok {
Route(input, functionTable, false)
fmt.Print(inputPrompt)
input = ""
} else {
ret, prompt := Test(input, keys)
if len(ret) == 1 {
input = ret[0]
Route(input, functionTable, false)
input = ""
fmt.Print(inputPrompt)
} else if len(ret) == 0 {
input = ""
fmt.Println("\nInvalid Input ")
fmt.Print(inputPrompt)
} else {
fmt.Println(ret)
input = prompt
fmt.Print(inputPrompt + input)
}
}
} else if b[0] == 127 || char == "\b" {
sz := len(input)
if sz > 0 {
fmt.Print("\b \b")
input = input[:sz-1]
}
} else {
fmt.Print(char)
input += char
}
}
}