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
|
# -*- shell-script -*-
# validate.sh - some input validation routines
#
# Copyright (C) 2010 Rocky Bernstein rocky@gnu.org
#
# zshdb 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 2, or (at your option) any later
# version.
#
# zshdb 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 zshdb; see the file COPYING. If not, write to the Free Software
# Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA.
# _Dbg_is_function returns 0 if $1 is a function or nonzero otherwise.
# if $2 is nonzero, system functions, i.e. those whose name starts with
# an underscore (_), are included in the search.
# _Dbg_is_alias returns 0 if $1 is an alias or nonzero otherwise.
_Dbg_is_alias() {
# setopt ksharrays # Done in _Dbg_debug_trap_handler
(( 0 == $# )) && return 1
typeset needed_alias=$1
typeset al
al=$(alias $needed_alias 2>&1)
return $?
}
_Dbg_is_function() {
# setopt ksharrays # Done in _Dbg_debug_trap_handler
(( 0 == $# )) && return 1
typeset needed_fn=$1
typeset -i include_system=${2:-0}
[[ ${needed_fn[0,0]} == '_' ]] && ((!include_system)) && {
return 1
}
typeset fn
fn=$(declare -f $needed_fn 2>&1)
[[ -n "$fn" ]]
return $?
}
# _Dbg_is_int returns 0 if $1 is an integer or nonzero otherwise.
_Dbg_is_int() {
(( 1 == $# )) || return 1
if [[ $1 == [0-9]* ]] ; then
return 0
else
return 1
fi
}
|
