blob: f7c4bcfb64c0c6e06c6047d9b769fcf5b162ae01 (
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
125
126
127
128
129
130
131
132
133
134
|
# pro-archman
# src/control.sh
# Functions for parsing control files.
#
# Copyright (C) 2012, 2013 Patrick McDermott
#
# This file is part of the ProteanOS Archive Manager.
#
# The ProteanOS Archive Manager 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.
#
# The ProteanOS Archive Manager 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 the ProteanOS Archive Manager. If not, see
# <http://www.gnu.org/licenses/>.
control_file=
control_line_nr=
parse_control()
{
control_file="${1}"
local field_cb="${2}"
local req_fields="${3}"
local opt_fields="${4}"
shift 4
local all_fields=
local got_fields=
local line=
local name=
local value=
control_line_nr=0
req_fields="$(printf '%s\n' ${req_fields})"
opt_fields="$(printf '%s\n' ${opt_fields})"
all_fields="${LF}${req_fields}${LF}${opt_fields}${LF}"
got_fields="${LF}"
while IFS='' read -r line; do
control_line_nr=$((${control_line_nr} + 1))
if [ "x$(echo ${line})" = 'x' ]; then
parse_control_error 'control_empty_line'
elif [ "x${line#\#}" != "x${line}" ]; then
# Comment.
:
elif [ "x${line# }" = "x${line}" ]; then
# "Name: Value" line.
if [ "x${name}" != 'x' ]; then
if ! "${field_cb}" "${name}" "${value}"; then
return 0
fi
fi
name="${line%%:*}"
value="${line#*:}"
value="${value# }"
if [ "x${name}" = 'x' -o "x${name}" = "x${line}" ]; then
parse_control_error 'control_bad_nv'
continue
fi
if [ "x${req_fields}" != 'x' ]; then
if [ "x${all_fields%${LF}${name}${LF}*}" = \
"x${all_fields}" ]; then
# Unknown field.
parse_control_error \
'control_unknown_field' \
"${name}"
else
# Remove field from list of required
# fields.
req_fields="$(printf '%s' \
"${req_fields}" | \
grep -Fv "${name}")"
fi
fi
if [ "x${got_fields%${LF}${name}${LF}*}" != \
"x${got_fields}" ]; then
# Duplicate field.
parse_control_error 'control_duplicate_field' \
"${name}"
else
got_fields="${got_fields}${name}${LF}"
fi
else
# Continuation line.
if [ "x${name}" = 'x' ]; then
# Expecting a "Name: Value" line.
parse_control_error 'control_found_continuation'
continue
fi
value="${value}${LF}${line# }"
fi
done <<-EOF
$(cat "${control_file}")
EOF
if [ "x${name}" != 'x' ]; then
if ! "${field_cb}" "${name}" "${value}"; then
return 0
fi
fi
if [ "x${req_fields}" != 'x' ]; then
req_fields="$(printf "%s$(get_msg 'list_item_separator')" \
${req_fields})"
parse_control_error 'control_missing_fields' "${req_fields}"
fi
return 0
}
parse_control_error()
{
local msgid="${1}"
shift 1
local file_info=
if [ ${control_line_nr} -eq 0 ]; then
file_info="$(printf '%20s:' "${control_file}")"
else
file_info="$(printf '%20s(l%d):' "${control_file}" \
"${control_line_nr}")"
fi
warn "${file_info} $(get_msg "${msgid}")" "${@}"
return 0
}
|
