aboutsummaryrefslogtreecommitdiff
path: root/commands.go
blob: 023a112ab2c95b52a5526702bf5c7c677dbcc63d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
package main

import (
	"fmt"
	"os"
	"os/exec"
	"strings"
)

type CommandFunc func(args string)

var poecmds map[string]CommandFunc

func InitCommands() {
	poecmds = map[string]CommandFunc{
		"Exit":   CmdExit,
		"New":    CmdNew,
		"Del":    CmdDel,
		"Edit":   CmdEdit,
		"Newcol": CmdNewcol,
	}
}

func RunCommand(input string) {
	if input == "" {
		return
	}

	input = strings.Trim(input, "\t\n ")

	// check poe default commands
	cmd := strings.Split(string(input), " ")
	if fn, ok := poecmds[cmd[0]]; ok {
		fn(strings.TrimPrefix(input, cmd[0]))
		return
	}

	// Edit shortcuts for external commands and piping
	switch input[0] {
	case '!':
		fallthrough
	case '<':
		fallthrough
	case '>':
		fallthrough
	case '|':
		CmdEdit(input)
	}
}

func CmdExit(args string) {
	ok := true
	for _, win := range AllWindows() {
		if !win.CanClose() {
			ok = false
		}
	}
	if ok {
		quit <- true
	}
}

func CmdNewcol(args string) {
	screen.Clear()
	screen.Sync()
	workspace.AddCol()
	CmdNew("")
}

func CmdNew(args string) {
	screen.Clear()
	win := NewWindow(FnEmptyWin)
	workspace.LastCol().AddWindow(win)
}

func CmdOpen(fn string) {
	screen.Clear()
	var win *Window
	win = FindWindow(fn)
	if win == nil { // only load windows that do no already exists
		win := NewWindow(fn)
		workspace.LastCol().AddWindow(win)
		win.LoadBuffer()
	}
}

func CmdDel(args string) {
	CurWin.Close()
}

func CmdEdit(args string) {
	if len(args) < 2 {
		return
	}

	switch args[0] {
	case 'f':
		var names []string
		for _, win := range AllWindows() {
			names = append(names, fmt.Sprintf("  %3s %s", win.Flags(), win.Name()))
		}
		printMsg("buffers:\n%s\n", strings.Join(names, "\n"))
	case '!':
		os.Chdir(CurWin.Dir())
		cmd := strings.Split(string(args[1:]), " ")
		path, err := exec.LookPath(cmd[0])
		if err != nil { // path not found, break with silence
			//printMsg("path not found: %s\n", cmd[0])
			break
		}
		out, err := exec.Command(path, cmd[1:]...).Output()
		if err != nil {
			printMsg("error: %s\n", err)
			break
		}
		// if command produced output, print it
		outstr := string(out)
		if outstr != "" {
			printMsg("%s\n", outstr)
		}
	default:
		printMsg("?\n")
	}
}