#! /bin/sh -e

INCDIR=/usr/include
SHRDIR=/usr/share/ustr-1.0.4
VERS=1.0
VERS_FULL=1.0.4
autoconf_64b=0
autoconf_vsnprintf=0

dbg=false
fulldbg=false
cfiles=false
defbytes=1
exact=0
usesz=0

cmdname="`basename $0`"

usage()
{
  echo " Format: $cmdname [-d][d] [-c] [-b b] [-e 1|0] [-s 1|0] gdb|all|<section> ..."
  echo "     List of options:"
  echo "         -d    = Turn debugging on, assert() trigger etc."
  echo "         -d    = Turn extra debugging on"
  echo "         -c    = Import/use .c files, instead of headers only"
  echo "         -b    = Specify default ref. bytes size: 0, 1, 2, 4 or 8"
  echo "         -e    = Exact allocations used by default"
  echo "         -s    = Sized value included by default"
  echo "     List of sections:"
  echo "         all   = All of the following"
  echo "         b     = Working with binary numbers in NBO format"
  echo "         cmp   = Comparing, strcmp() for Ustr's"
  echo "         cntl  = Control options dynamically"
  echo "         fmt   = Formatted output, sprintf() for Ustr's"
  echo "         gdb   = Copy just the .gdbinit file to the local dir"
  echo "         ins   = Inserting data"
  echo "         io    = Input Output"
  echo "         main  = The core, strcat() and delete for Ustr's"
  echo "         parse = Parsing integers, Ie. Nice versions of strtol()"
  echo "         pool  = A bundled memory pool API"
  echo "         replace = Replacing all occurances of data"
  echo "         sc    = Shortcut functions for Ustr's"
  echo "         set   = Setting data, strcpy() for Ustr's"
  echo "         split = Slit the data, strtok() / strsep() for Ustr's"
  echo "         spn   = Spanning, strspn() / strcspn() for Ustr's"
  echo "         srch  = Searching, strchr() / strstr() for Ustr's"
  echo "         sub   = Substituting data"
  echo "         utf8  = Working with UTF8"
  echo ""
  echo "     Ustr Version: $VERS_FULL"
  exit $1
}

if [ "x$1" = "x--help" ]; then
  usage 0
fi

if [ "x$1" = "x-dd" ]; then
  dbg=true
  fulldbg=true
  shift
else
if [ "x$1" = "x-d" ]; then
  dbg=true
  shift
fi

if [ "x$1" = "x-d" ]; then
  fulldbg=true
  shift
fi
fi

if [ "x$1" = "x-c" ]; then
  cfiles=true
  shift
fi

if [ "x$1" = "x-b" ]; then
  shift
  defbytes="$1"
  shift
fi

if [ "x$1" = "x-e" ]; then
  shift
  exact="$1"
  shift
fi

if [ "x$1" = "x-s" ]; then
  shift
  usesz="$1"
  shift
fi

all=false
b=false
cmp=false
cntl=false
fmt=false
ins=false
io=false
main=false
parse=false
pool=false
repl=false
sc=false
set=false
split=false
spn=false
srch=false
sub=false
utf8=false

gdb=false

for i in $@; do
  case "$i" in
    all)     all=true              ;;
    b)       b=true;     main=true ;;
    cmp)     cmp=true;   main=true ;;
    cntl)    cntl=true   main=true ;;
    fmt)     fmt=true;   main=true ;;
    gdb)     gdb=true;             ;;
    ins)     ins=true;   main=true ;;
    io)      io=true;    main=true ;;
    main)                main=true ;;
    parse)   parse=true; main=true ;;
    pool)    pool=true;  main=true ;;
    replace) repl=true;  main=true ;;
    sc)      sc=true;    main=true ;;
    set)     set=true;   main=true ;;
    split)   split=true; main=true ;;
    spn)     spn=true;   main=true ;;
    srch)    srch=true;  main=true ;;
    sub)     sub=true;   main=true ;;
    utf8)    utf8=true;  main=true ;;
    *)
      exec 1>&2
      usage 1
      ;;
  esac
done

if $all; then
  b=true
  cmp=true
  cntl=true
  fmt=true
  gdb=true
  ins=true
  io=true
  main=true
  parse=true
  pool=true
  repl=true
  sc=true
  set=true
  spn=true
  srch=true
  split=true
  sub=true
  utf8=true
else
  if $split; then
    set=true
    spn=true
    srch=true
  fi
  if $repl; then
    set=true
    spn=true
    srch=true
    sub=true
  fi
  if $sub; then
    ins=true
    srch=true
  fi
  if $sc; then
    spn=true
  fi
  if $spn; then
    srch=true
    utf8=true
  fi
  if $srch; then
    cmp=true
  fi

  # *.c requires file to compile...
  if $sc && $cfiles; then
    utf8=true
  fi
  if $sub && $cfiles; then
    fmt=true
  fi
  if $set && $cfiles; then
    fmt=true
  fi
  if $ins && $cfiles; then
    fmt=true
  fi
fi

if $gdb; then
  cp "$SHRDIR/.gdbinit" .
  if ! $main; then
    exit;
  fi
else
  if ! $main; then
    exec 1>&2
    usage 1
  fi
  cp "$SHRDIR/.gdbinit" .
fi

if $cntl && ! $cfiles; then
 cntl=false
 echo "Warn: Can't do dynamic configuration without cfiles." 1>&2
fi

# ---------------------------------------------
# Copy all the files locally...
# ---------------------------------------------
copy()
{
  name="$1"
  cp "$INCDIR/ustr-$name.h" .
  if test -f "$SHRDIR/ustr-$name-internal.h"; then
    cp "$SHRDIR/ustr-$name-internal.h" .
  fi

  if test -f "$SHRDIR/ustr-$name-code.h"; then
    cp "$SHRDIR/ustr-$name-code.h" .
  fi

  if $cfiles && test -f "$SHRDIR/ustr-$name-opt-code.c"; then
    if $dbg; then
      cp "$SHRDIR/ustr-$name-dbg-code.c" .
    else
      cp "$SHRDIR/ustr-$name-opt-code.c" .
    fi
  fi
}

if $b; then
  copy b
fi

if $cmp; then
  copy cmp
fi

if $cntl; then
  copy cntl
  cp "$SHRDIR/malloc-check.h" .
fi

# conf is generated from scratch
copy compiler

if $fmt; then
  copy fmt
fi

if $ins; then
  copy ins
fi

if $io; then
  copy io
fi

copy main

if $parse; then
  copy parse
fi

if $pool; then
  copy pool
fi

if $repl; then
  copy replace
fi

if $sc; then
  copy sc
fi

if $set; then
  copy set
fi

if $split; then
  copy split
fi

if $spn; then
  copy spn
fi

if $srch; then
  copy srch
fi

if $sub; then
  copy sub
fi

if $utf8; then
  copy utf8
fi

# ---------------------------------
# Generate a valid ustr-conf.h file
# ---------------------------------
outname=ustr-conf.h
if $dbg; then
  outname=ustr-conf-debug.h
fi

echo "/* This file is auto generated from $cmdname */" > $outname
echo >> $outname
echo >> $outname
echo '#ifndef USTR_CONF_H'   >> $outname
echo '#define USTR_CONF_H 1' >> $outname
echo >> $outname
echo >> $outname

if $cfiles; then
  # So they can still override, just change the default
  echo "/* The default is now to link against libc. */" >> $outname
  echo "#ifndef USTR_CONF_INCLUDE_CODEONLY_HEADERS"     >> $outname
  echo '#define USTR_CONF_INCLUDE_CODEONLY_HEADERS 0'   >> $outname
  echo "#endif" >> $outname
  echo >> $outname
else
  echo "/* Same default, newer position. */"            >> $outname
  echo "#ifndef USTR_CONF_INCLUDE_CODEONLY_HEADERS"     >> $outname
  echo '#define USTR_CONF_INCLUDE_CODEONLY_HEADERS 1'   >> $outname
  echo "#endif" >> $outname
  echo >> $outname
fi

  echo "/* We can't: if defined(__GLIBC__) && (!defined(_GNU_SOURCE) || !_GNU_SOURCE)" >> $outname
  echo " *  because by the time we've included a libc header it's too late. */ " >> $outname
  echo "#ifndef _GNU_SOURCE" >> $outname
  echo "#define _GNU_SOURCE 1" >> $outname
  echo "#endif" >> $outname
  echo >> $outname
  echo >> $outname

if $cfiles; then
  echo "#if ! USTR_CONF_INCLUDE_CODEONLY_HEADERS" >> $outname
  echo "/* If you aren't just using the headers, these should match the .c's */" >> $outname
  echo >> $outname
  echo "# define USTR_CONF_HAVE_64bit_SIZE_MAX $autoconf_64b" >> $outname
  echo "# define USTR_CONF_HAVE_RETARDED_VSNPRINTF $autoconf_vsnprintf" >> $outname
if [ -f "/usr/include/stdint.h" ]; then
  echo "# define USTR_CONF_HAVE_STDINT_H 1" >> $outname
else
  echo "# define USTR_CONF_HAVE_STDINT_H 0" >> $outname
fi

if $cntl; then
  echo "# define USTR_CONF_HAVE_DYNAMIC_CONF 1" >> $outname
else
  echo "# define USTR_CONF_HAVE_DYNAMIC_CONF 0" >> $outname
fi
  echo >> $outname
  echo "# define USTR_CONF_USE_DYNAMIC_CONF  USTR_CONF_HAVE_DYNAMIC_CONF" >> $outname


  echo >> $outname
  echo "# define USTR_CONF_REF_BYTES   $defbytes" >> $outname
  echo "# define USTR_CONF_EXACT_BYTES $exact"    >> $outname
  echo "# define USTR_CONF_USE_SIZE    $usesz"    >> $outname

  echo >> $outname
if $dbg; then
  echo '# define USTR_CONF_USE_ASSERT 1' >> $outname
else
  echo '# define USTR_CONF_USE_ASSERT 0' >> $outname
fi

if $fulldbg; then
  echo '# define USTR_CONF_USE_EOS_MARK 1' >> $outname
else
  echo '# define USTR_CONF_USE_EOS_MARK 0' >> $outname
fi

  echo >> $outname

  echo "#else" >> $outname
fi

  echo "/* Same defaults, but can be altered at will. */" >> $outname
  echo "/* Note that you really shouldn't alter the _HAVE_* ones. */" >> $outname
  echo >> $outname
  echo "# ifndef USTR_CONF_HAVE_64bit_SIZE_MAX"               >> $outname
  echo "# define USTR_CONF_HAVE_64bit_SIZE_MAX $autoconf_64b" >> $outname
  echo "# endif" >> $outname
  echo "# ifndef USTR_CONF_HAVE_RETARDED_VSNPRINTF"           >> $outname
  echo "# define USTR_CONF_HAVE_RETARDED_VSNPRINTF $autoconf_vsnprintf" >> $outname
  echo "# endif" >> $outname
  echo "# ifndef USTR_CONF_HAVE_STDINT_H" >> $outname
if [ -f "/usr/include/stdint.h" ]; then
  echo "# define USTR_CONF_HAVE_STDINT_H 1" >> $outname
else
  echo "# define USTR_CONF_HAVE_STDINT_H 0" >> $outname
fi
  echo "# endif" >> $outname
  echo "# ifndef USTR_CONF_HAVE_DYNAMIC_CONF" >> $outname
if $cntl; then
  echo "# define USTR_CONF_HAVE_DYNAMIC_CONF 1" >> $outname
else
  echo "# define USTR_CONF_HAVE_DYNAMIC_CONF 0" >> $outname
fi
  echo "# endif" >> $outname
  echo >> $outname
  echo "/* no USE_DYNAMIC_CONF ... leave as default */" >> $outname
  echo >> $outname
  echo "# ifndef USTR_CONF_REF_BYTES"           >> $outname
  echo "# define USTR_CONF_REF_BYTES $defbytes" >> $outname
  echo "# endif" >> $outname
  echo "# ifndef USTR_CONF_EXACT_BYTES"         >> $outname
  echo "# define USTR_CONF_EXACT_BYTES $exact"  >> $outname
  echo "# endif" >> $outname
  echo "# ifndef USTR_CONF_USE_SIZE"            >> $outname
  echo "# define USTR_CONF_USE_SIZE    $usesz"  >> $outname
  echo "# endif" >> $outname

  echo >> $outname
  echo "# ifndef USTR_CONF_USE_ASSERT"          >> $outname
if $dbg; then
  echo '# define USTR_CONF_USE_ASSERT 1'        >> $outname
else
  echo '# define USTR_CONF_USE_ASSERT 0'        >> $outname
fi
  echo "# endif" >> $outname

  echo "# ifndef USTR_CONF_USE_EOS_MARK"   >> $outname
if $fulldbg; then
  echo '# define USTR_CONF_USE_EOS_MARK 1' >> $outname
else
  echo '# define USTR_CONF_USE_EOS_MARK 0' >> $outname
fi
  echo "# endif" >> $outname

if $cfiles; then
  echo >> $outname
  echo "#endif" >> $outname
  echo >> $outname
fi

echo >> $outname
echo >> $outname
echo '#endif' >> $outname

# ----------------------------
# Generate a valid ustr.h file
# ----------------------------
outname=ustr.h
if $dbg; then
  outname=ustr-debug.h
fi


echo "/* This file is auto generated from $cmdname */" > $outname
echo >> $outname
echo >> $outname
echo '#ifndef USTR_H'   >> $outname
echo '#define USTR_H 1' >> $outname
echo >> $outname
echo >> $outname

if $cfiles; then
  # So they can still override, just change the default
  echo "#ifndef USTR_CONF_INCLUDE_CODEONLY_HEADERS" >> $outname
  echo '#define USTR_CONF_INCLUDE_CODEONLY_HEADERS 0' >> $outname
  echo "#endif" >> $outname
  echo >> $outname
fi

echo >> $outname

echo "#ifndef USTR_DEBUG"   >> $outname
if $dbg; then
echo "#define USTR_DEBUG 1" >> $outname
else
echo "#define USTR_DEBUG 0" >> $outname
fi
echo "#endif"               >> $outname

echo >> $outname
echo >> $outname

# Everything deps. on CONF
echo "#if USTR_DEBUG" >> $outname
echo '# include "ustr-conf-debug.h"' >> $outname
echo "#else" >> $outname
echo '# include "ustr-conf.h"' >> $outname
echo "#endif" >> $outname

echo >> $outname

# Everything deps. on MAIN
echo '#include "ustr-main.h"'   >> $outname

if $b; then
  echo '#include "ustr-b.h"' >> $outname
fi

if $cmp; then
  echo '#include "ustr-cmp.h"'  >> $outname
fi

# ustr-cntl is hacked into ustr-main.h ... for various reasons.

if $fmt; then
  echo '#include "ustr-fmt.h"'  >> $outname
fi

if $io; then
  echo '#include "ustr-io.h"' >> $outname
fi

if $ins; then # INS weak deps. on FMT
  echo '#include "ustr-ins.h"' >> $outname
fi

if $parse; then
  echo '#include "ustr-parse.h"'  >> $outname
fi

if $pool; then
  echo '#include "ustr-pool.h"'  >> $outname
fi

if $set; then # SET weak deps. on FMT
  echo '#include "ustr-set.h"'  >> $outname
fi

if $srch; then
  echo '#include "ustr-srch.h"' >> $outname
fi

if $spn; then # SPN deps. on SRCH and weak deps. on UTF8
  echo '#include "ustr-spn.h"'  >> $outname
fi

if $split; then # SPLIT hard deps. on set, spn, srch
  echo '#include "ustr-split.h"' >> $outname
fi

if $sub; then # SUB hard deps. on ins, srch, weak dep. on FMT
  echo '#include "ustr-sub.h"' >> $outname
fi

if $repl; then # REPLACE hard deps. on set, spn, srch, sub
  echo '#include "ustr-replace.h"' >> $outname
fi

if $utf8; then
  echo '#include "ustr-utf8.h"' >> $outname
fi

if $sc; then
  echo '#include "ustr-sc.h"' >> $outname
fi

echo >> $outname
echo >> $outname
echo '#endif' >> $outname
