src/mk-string-arrays.awk

   1 ## Copyright (C) 1996-2015 The Squid Software Foundation and contributors
   2 ##
   3 ## Squid software is distributed under GPLv2+ license and includes
   4 ## contributions from numerous individuals and organizations.
   5 ## Please see the COPYING and CONTRIBUTORS files for details.
   6 ##
   7
   8 # tested with gawk, mawk, and nawk.
   9 # creates "enum.c" (on stdout) from "enum.h".
  10 # when invoked:  awk -f mk-string-arrays.awk enum.h
  11 #
  12 # 2006 by Christopher Kerr.
  13 #
  14 # 2009 modified by Amos Jeffries
  15 #   Adapted to convert individual enum headers
  16 #
  17
  18 BEGIN {
  19         print "/*"
  20         print " * Auto-Generated File. Changes will be destroyed."
  21         print " */"
  22         print "#include \"squid.h\""
  23         codeSkip = 1
  24         e = 0
  25         nspath = ""
  26 }
  27
  28 # when namespace is encountered store it
  29 /^namespace *[a-zA-Z]+/ {
  30         nspath = tolower($2) "/"                # nested folder
  31         namespace = $2                          # code namespace reconstruct
  32         next
  33 }
  34
  35 # Skip all lines outside of typedef {}
  36 /^typedef/              { codeSkip = 0; next }
  37 codeSkip == 1           { next }
  38
  39 /^[ \t]*[A-Z]/ {
  40         split($1, t, ",")                       # remove ,
  41         if (sbuf) Element[++e] = "SBuf(\"" t[1] "\")"
  42         else Element[++e] = "\"" t[1] "\""
  43         next
  44 }
  45
  46 /^#/ {
  47         if (codeSkip) next
  48
  49         Wrapper[++e] = $0
  50         next
  51 }
  52
  53 /^} / {
  54         split($2, t, ";")                       # remove ;
  55         type = t[1]
  56         codeSkip = 1
  57
  58         if (sbuf) print "#include \"SBuf.h\""
  59         print "#include \"" nspath type ".h\""
  60
  61         # if namesapce is not empty ??
  62         if (namespace) print "namespace " namespace
  63         if (namespace) print "{"
  64
  65         if (sbuf) print "\nconst SBuf " type "_sb[] = {"
  66         else print "\nconst char * " type "_str[] = {"
  67         for ( i = 1; i < e; ++i)
  68                 if (Wrapper[i]) print Wrapper[i]
  69                 else print "\t" Element[i] ","
  70
  71         print "\t" Element[i]
  72         print "};"
  73         if (namespace) print "}; // namespace " namespace
  74         next
  75 }