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Annotation of mandoc/strings.sh, Revision 1.3

1.1       kristaps    1: #! /bin/sh
1.3     ! kristaps    2: # $Id: strings.sh,v 1.2 2009/03/06 14:24:49 kristaps Exp $
1.1       kristaps    3:
                      4: # strings.sh [-o output] name input
                      5: #
                      6: # Generate the file of strings.  This will contain the following
                      7: # function:
                      8: #
                      9: # const char *
                     10: # mdoc_a2NAME(const char *);
                     11: #
                     12: # The input file must be tab-delimited as follows:
                     13: #
                     14: # attnam0              A longer description
                     15: # attnam1              Another longer description
                     16:
                     17: input=
                     18: output=
                     19: args=`getopt o: $*`
                     20:
                     21: if [ $? -ne 0 ]; then
                     22:        echo "usage: $0 [-o output] name input" 1>&2
                     23:        exit 1
                     24: fi
                     25:
                     26: set -- $args
                     27:
                     28: while [ $# -ge 0 ]
                     29: do
                     30:        case "$1" in
                     31:        -o)
                     32:                output="$2" ; shift; shift ;;
                     33:        --)
                     34:                shift ; break ;;
                     35:        esac
                     36: done
                     37:
                     38: name=$1
                     39:
                     40: if [ -z "$name" ]; then
                     41:        echo "usage: $0 [-o output] name input" 1>&2
                     42:        exit 1
                     43: fi
                     44:
                     45: input=$2
                     46:
                     47: if [ "$output" ]; then
1.3     ! kristaps   48:        exec >$output
1.1       kristaps   49: fi
                     50:
                     51: if [ "$input" ]; then
1.3     ! kristaps   52:        exec <$input
1.1       kristaps   53: fi
                     54:
                     55: cat <<!
                     56: /*
                     57:  * DO NOT EDIT!  Automatically generated by $0.
                     58:  */
                     59: #include <stdlib.h>
                     60:
                     61: #include "private.h"
                     62:
                     63: const char *
                     64: mdoc_a2${name}(const char *p)
                     65: {
                     66:
                     67: !
                     68:
                     69: while read in ; do
1.3     ! kristaps   70:        if [ -z "$in" ]; then
        !            71:                continue
        !            72:        fi
        !            73:        if [ "#" = `echo "$in" | cut -c1` ]; then
        !            74:                continue
        !            75:        fi
1.1       kristaps   76:        key=`printf "%s\n" "$in" | cut -f 1`
                     77:        val=`printf "%s\n" "$in" | cut -f 2- | sed 's!^[        ]*!!'`
                     78:        cat <<!
                     79:        if (xstrcmp(p, "$key"))
                     80:                return("$val");
                     81: !
                     82: done
                     83:
                     84: cat <<!
                     85:
                     86:        /* No keys found. */
                     87:        return(NULL);
                     88: }
                     89: !