command_util.sh

   1 #!/bin/bash
   2
   3
   4 dump_array_member()
   5 {
   6         echo '{'
   7         echo ".name = \"$name_txt\","
   8         if test $line_handler -eq 0; then
   9                 echo ".handler = com_$name_txt,"
  10         else
  11                 echo ".handler = NULL,"
  12                 echo ".line_handler = com_$name_txt,"
  13         fi
  14         if test -n "$perms_txt"; then
  15                 echo ".perms = $perms_txt,"
  16         fi
  17         echo ".description = \"$desc_txt\","
  18         echo ".usage = \"$usage_txt\","
  19         echo ".help = "
  20         echo "$help_txt" | sed -e 's/^/\"/g' -e 's/$/\\n\"/g'
  21         echo '},'
  22 }
  23
  24 read_header()
  25 {
  26         local key value i
  27
  28         while read key value; do
  29                 case "$key" in
  30                 ---)
  31                         break
  32                         ;;
  33                 HC:)
  34                         header_comment="$value"
  35                         ;;
  36                 CC:)
  37                         c_file_comment="$value"
  38                         ;;
  39                 FN:)
  40                         file_name="$value"
  41                         array_name=${value%command_list}cmds
  42                         ;;
  43                 AT:)
  44                         array_type="$value"
  45                         ;;
  46                 IN:)
  47                         for i in $value; do
  48                                 includes="$includes
  49 #include \"$i.h\""
  50                         done
  51                         includes="$includes
  52 #include \"$file_name.h\""
  53                         ;;
  54                 SN:)
  55                         section_name="$value"
  56                 esac
  57         done
  58         if test -z "$header_comment" -o -z "$c_file_comment" \
  59                         -o -z "$file_name"; then
  60                 echo "header error" 1&>2
  61                 exit 1
  62         fi
  63 }
  64
  65 read_one_command()
  66 {
  67         local line
  68
  69         name_txt=""
  70         desc_txt=""
  71         usage_txt=""
  72         help_txt=""
  73         perms_txt=""
  74         line_handler=0
  75         mkdir -p man/man1
  76         while read key value; do
  77                 case "$key" in
  78                 ---)
  79                         break
  80                         ;;
  81                 N:)
  82                         name_txt="$value"
  83                         ;;
  84                 P:)
  85                         perms_txt="$value"
  86                         ;;
  87                 D:)
  88                         desc_txt="$value"
  89                         ;;
  90                 L:)
  91                         line_handler=1
  92                         ;;
  93                 U:)
  94                         usage_txt="$value"
  95                         ;;
  96                 H:)
  97                         help_txt="${value}"
  98                         while read line; do
  99                                 if test "$line" = "---"; then
 100                                         break;
 101                                 fi
 102                                 line=${line#H:}
 103                                 help_txt="$help_txt
 104 ${line# }"
 105                         done
 106                         break
 107                         ;;
 108                 esac
 109         done
 110         if test -n "$name_txt" -a -n "$desc_txt" -a -n "$usage_txt" \
 111                         -a -n "$help_txt"; then
 112                 ret=1
 113                 return
 114         fi
 115         if test -z "$name_txt" -a -z "$desc_txt" -a -z "$usage_txt" \
 116                         -a -z "$help_txt"; then
 117                 ret=0
 118                 return
 119         fi
 120         ret=-1
 121         return
 122         echo "!ERROR!"
 123         echo "N: $name_txt"
 124         echo "D: $desc_txt"
 125         echo "S: $usage_txt"
 126         echo "P: $perms_txt"
 127         echo "H: $help_txt"
 128 }
 129
 130 dump_man()
 131 {
 132         echo ".SS \"$name_txt\""
 133         echo "$desc_txt"
 134         echo
 135         echo "\\fBusage: \\fP$usage_txt"
 136         echo
 137         echo "$help_txt"
 138         echo
 139         if test -n "$perms_txt"; then
 140                 echo -n "\\fBpermissions:\\fP "
 141                 if test "$perms_txt" = "0"; then
 142                         echo "(none)"
 143                 else
 144                         echo "$perms_txt"
 145                 fi
 146         fi
 147         echo
 148 }
 149
 150
 151 com_man()
 152 {
 153         echo "[$section_name]"
 154         echo
 155         while : ; do
 156                 read_one_command
 157                 if test $ret -lt 0; then
 158                         exit 1
 159                 fi
 160                 if test $ret -eq 0; then
 161                         break
 162                 fi
 163                 dump_man
 164         done
 165 }
 166
 167 com_c_file()
 168 {
 169         echo "/** \file $file_name.c $c_file_comment */"
 170         echo "$includes"
 171         echo "struct $array_type $array_name[] = {"
 172         while : ; do
 173                 read_one_command
 174                 if test $ret -lt 0; then
 175                         exit 1
 176                 fi
 177                 if test $ret -eq 0; then
 178                         break
 179                 fi
 180                 dump_array_member
 181         done
 182         echo '{.name = NULL}};'
 183 }
 184
 185 dump_proto()
 186 {
 187         echo '/**'
 188         echo " * $desc_txt"
 189         echo ' *'
 190         echo ' * \param fd the file descriptor to send output to'
 191         if test $line_handler -eq 0; then
 192                 echo ' * \param argc the number of arguments'
 193                 echo ' * \param argv the argument vector'
 194         else
 195                 echo ' * \param cmdline the full command line'
 196         fi
 197         echo ' * '
 198         echo " * usage: $usage_txt"
 199         echo ' * '
 200         echo "$help_txt" | sed -e 's/^/ * /g'
 201         echo ' */'
 202         if test $line_handler -eq 0; then
 203                 echo "int com_$name_txt(int fd, int argc, char **argv);"
 204         else
 205                 echo "int com_$name_txt(int fd, char *cmdline);"
 206         fi
 207         echo
 208 }
 209
 210 com_header()
 211 {
 212         echo "/** \file $file_name.h $header_comment */"
 213         echo
 214         echo "extern struct $array_type $array_name[];"
 215         while : ; do
 216                 read_one_command
 217                 if test $ret -lt 0; then
 218                         exit 1
 219                 fi
 220                 if test $ret -eq 0; then
 221                         break
 222                 fi
 223                 dump_proto
 224         done
 225 }
 226
 227 read_header
 228 arg="$1"
 229 shift
 230 case "$arg" in
 231         "c")
 232                 com_c_file
 233                 ;;
 234         "h")
 235                 com_header
 236                 ;;
 237         "man")
 238                 com_man $*
 239                 ;;
 240 esac