| strings.subr (244675) | strings.subr (247280) |
|---|---|
| 1if [ ! "$_STRINGS_SUBR" ]; then _STRINGS_SUBR=1 2# | 1if [ ! "$_STRINGS_SUBR" ]; then _STRINGS_SUBR=1 2# |
| 3# Copyright (c) 2006-2012 Devin Teske | 3# Copyright (c) 2006-2013 Devin Teske |
| 4# All Rights Reserved. 5# 6# Redistribution and use in source and binary forms, with or without 7# modification, are permitted provided that the following conditions 8# are met: 9# 1. Redistributions of source code must retain the above copyright 10# notice, this list of conditions and the following disclaimer. 11# 2. Redistributions in binary form must reproduce the above copyright --- 7 unchanged lines hidden (view full) --- 19# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20# DAMAGES (INLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25# SUCH DAMAGE. 26# | 4# All Rights Reserved. 5# 6# Redistribution and use in source and binary forms, with or without 7# modification, are permitted provided that the following conditions 8# are met: 9# 1. Redistributions of source code must retain the above copyright 10# notice, this list of conditions and the following disclaimer. 11# 2. Redistributions in binary form must reproduce the above copyright --- 7 unchanged lines hidden (view full) --- 19# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20# DAMAGES (INLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25# SUCH DAMAGE. 26# |
| 27# $FreeBSD: head/usr.sbin/bsdconfig/share/strings.subr 244675 2012-12-25 10:47:45Z dteske $ | 27# $FreeBSD: head/usr.sbin/bsdconfig/share/strings.subr 247280 2013-02-25 19:55:32Z dteske $ |
| 28 29# f_substr "$string" $start [ $length ] 30# 31# Simple wrapper to awk(1)'s `substr' function. 32# 33f_substr() 34{ 35 local string="$1" start="${2:-0}" len="${3:-0}" --- 60 unchanged lines hidden (view full) --- 96 [ "$arg" = "0" ] && return $SUCCESS 97 98 # Attempt to perform arithmetic divison (an operation which will exit 99 # with error unless arg is a valid positive/negative whole integer). 100 # 101 ( : $((0/$arg)) ) > /dev/null 2>&1 102} 103 | 28 29# f_substr "$string" $start [ $length ] 30# 31# Simple wrapper to awk(1)'s `substr' function. 32# 33f_substr() 34{ 35 local string="$1" start="${2:-0}" len="${3:-0}" --- 60 unchanged lines hidden (view full) --- 96 [ "$arg" = "0" ] && return $SUCCESS 97 98 # Attempt to perform arithmetic divison (an operation which will exit 99 # with error unless arg is a valid positive/negative whole integer). 100 # 101 ( : $((0/$arg)) ) > /dev/null 2>&1 102} 103 |
| 104# f_uriencode [$text] 105# 106# Encode $text for the purpose of embedding safely into a URL. Non-alphanumeric 107# characters are converted to `%XX' sequence where XX represents the hexa- 108# decimal ordinal of the non-alphanumeric character. If $text is missing, data 109# is instead read from standard input. 110# 111f_uriencode_awk=' 112BEGIN { 113 output = "" 114 for (n = 0; n < 256; n++) pack[sprintf("%c", n)] = sprintf("%%%02x", n) 115} 116{ 117 sline = "" 118 slen = length($0) 119 for (n = 1; n <= slen; n++) { 120 char = substr($0, n, 1) 121 if ( char !~ /^[[:alnum:]_]$/ ) char = pack[char] 122 sline = sline char 123 } 124 output = output ( output ? "%0a" : "" ) sline 125} 126END { print output } 127' 128f_uriencode() 129{ 130 if [ $# -gt 0 ]; then 131 echo "$1" | awk "$f_uriencode_awk" 132 else 133 awk "$f_uriencode_awk" 134 fi 135} 136 137# f_uridecode [$text] 138# 139# Decode $text from a URI. Encoded characters are converted from their `%XX' 140# sequence into original unencoded ASCII sequences. If $text is missing, data 141# is instead read from standard input. 142# 143f_uridecode_awk=' 144BEGIN { for (n = 0; n < 256; n++) chr[n] = sprintf("%c", n) } 145{ 146 sline = "" 147 slen = length($0) 148 for (n = 1; n <= slen; n++) 149 { 150 seq = substr($0, n, 3) 151 if ( seq ~ /^%[[:xdigit:]][[:xdigit:]]$/ ) { 152 hex = substr(seq, 2, 2) 153 sline = sline chr[sprintf("%u", "0x"hex)] 154 n += 2 155 } else 156 sline = sline substr(seq, 1, 1) 157 } 158 print sline 159} 160' 161f_uridecode() 162{ 163 if [ $# -gt 0 ]; then 164 echo "$1" | awk "$f_uridecode_awk" 165 else 166 awk "$f_uridecode_awk" 167 fi 168} 169 |
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| 104f_dprintf "%s: Successfully loaded." strings.subr 105 106fi # ! $_STRINGS_SUBR | 170f_dprintf "%s: Successfully loaded." strings.subr 171 172fi # ! $_STRINGS_SUBR |