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#!/bin/bash

# Runs doxygen and massages the output files.

# Copyright (C) 2001, 2002, 2003, 2004 Free Software Foundation, Inc.

#

# Synopsis:  run_doxygen --mode=[user|maint|man] --host_alias= \

#                        v3srcdir  v3builddir

#

# Originally hacked together by Phil Edwards 

# We can check now that the version of doxygen is >= this variable.

DOXYVER=1.3.9

find_doxygen() {

    local -r v_required=`echo $DOXYVER |  \

                awk -F. '{if(NF<3)$3=0;print ($1*100+$2)*100+$3}'`

    local testing_version doxygen maybedoxy v_found

    # thank you goat book

    set `IFS=:; X="$PATH:/usr/local/bin:/bin:/usr/bin"; echo $X`

    for dir

    do

      # AC_EXEEXT could come in useful here

      maybedoxy="$dir/doxygen"

      test -f "$maybedoxy" && testing_version=`$maybedoxy --version`

      if test -n "$testing_version"; then

       v_found=`echo $testing_version |  \

                awk -F. '{if(NF<3)$3=0;print ($1*100+$2)*100+$3}'`

       if test $v_found -ge $v_required; then

         doxygen="$maybedoxy"

         break

       fi

      fi

    done

    if test -z "$doxygen"; then

        echo run_doxygen error:  Could not find Doxygen $DOXYVER in path. 1>&2

        print_usage

    fi

    # We need to use other tools from the same package/version.

    echo :: Using Doxygen tools from ${dir}.

    PATH=$dir:$PATH

    hash -r

}

print_usage() {

    cat 1>&2 <

Usage:  run_doxygen --mode=MODE --host_alias=BUILD_ALIAS []

      MODE is one of:

          user           Generate user-level HTML library documentation.

          maint          Generate maintainers' HTML documentation (lots more;

                             exposes non-public members, etc).

          man            Generate user-level man pages.

      BUILD_ALIAS is the GCC build alias set at configure time.

      more options when i think of them

Note:  Requires Doxygen ${DOXYVER} or later; get it at

       ftp://ftp.stack.nl/pub/users/dimitri/doxygen-${DOXYVER}.src.tar.gz

EOF

    exit 1

}

parse_options() {

  for o

  do

    # Blatantly ripped from autoconf, er, I mean, "gratefully standing

    # on the shoulders of those giants who have gone before us."

    case "$o" in

      -*=*) arg=`echo "$o" | sed 's/[-_a-zA-Z0-9]*=//'` ;;

      *) arg= ;;

    esac

    case "$o" in

      --mode=*)

        mode=$arg ;;

      --host_alias=*)

        host_alias=$arg ;;

      --mode | --host_alias | --help | -h)

        print_usage ;;

      *)

        # this turned out to be a mess, maybe change to --srcdir=, etc

        if test $srcdir = unset; then

          srcdir=$o

        elif test $outdir = unset; then

          builddir=${o}

          outdir=${o}/docs/doxygen

        else

          echo run_doxygen error:  Too many arguments 1>&2

          exit 1

        fi

        ;;

      esac

  done

}

# script begins here

mode=unset

host_alias=unset

srcdir=unset

outdir=unset

do_html=false

do_man=false

enabled_sections=

generate_tagfile=

DATEtext=`date '+%Y-%m-%d'`

# Show how this script is called.

echo run_doxygen $*

parse_options $*

find_doxygen

if test $srcdir = unset || test $outdir = unset || test $mode = unset || test $host_alias = unset; then

    # this could be better

    echo run_doxygen error:  You have not given enough information...! 1>&2

    print_usage

fi

case x"$mode" in

    xuser)

      do_html=true

      LEVELtext='User'

      generate_tagfile="$outdir/html_$mode/libstdc++.tag"

      ;;

    xmaint)

      do_html=true

      enabled_sections=maint

      LEVELtext='Maintainer'

      generate_tagfile="$outdir/html_$mode/libstdc++.tag"

      ;;

    xman)

      do_man=true

      ;;

    *)

      echo run_doxygen error:  $mode is an invalid mode 1>&2

      exit 1 ;;

esac

#rm -rf $outdir

mkdir -p $outdir

chmod u+w $outdir

# work around a stupid doxygen bug

if $do_man; then

    mkdir -p $outdir/man/man3/ext

    chmod -R u+w $outdir/man/man3/ext

fi

(

  set -e

  cd $builddir

  sed -e "s=@outdir@=${outdir}=g" \

      -e "s=@srcdir@=${srcdir}=g" \

      -e "s=@host_alias@=${host_alias}=g" \

      -e "s=@html_output_dir@=html_${mode}=" \

      -e "s=@enabled_sections@=${enabled_sections}=" \

      -e "s=@do_html@=${do_html}=" \

      -e "s=@do_man@=${do_man}=" \

      -e "s=@generate_tagfile@=${generate_tagfile}=" \

      ${srcdir}/docs/doxygen/user.cfg.in > ${outdir}/${mode}.cfg

  echo :: NOTE that this may take some time...

  echo doxygen ${outdir}/${mode}.cfg

  doxygen ${outdir}/${mode}.cfg

  echo :: Finished, exit code was $?

)

ret=$?

test $ret -ne 0 && exit $ret

if $do_html; then

  cd ${outdir}/html_${mode}

  #doxytag -t libstdc++.tag . > /dev/null 2>&1

  sed -e '//d' libstdc++.tag > TEMP

  mv TEMP libstdc++.tag

  sed -e "s=@LEVEL@=${LEVELtext}=" \

      -e "s=@DATE@=${DATEtext}=" \

      ${srcdir}/docs/doxygen/mainpage.html > index.html

  # The following bit of line noise changes annoying

  #   std::foo < typename _Ugly1, typename _Ugly2, .... _DefaultUgly17 >

  # to user-friendly

  #   std::foo

  # in the major "Compound List" page.

  sed -e 's=\(::[[:alnum:]_]*\)< .* >=\1=' annotated.html > annstrip.html

  mv annstrip.html annotated.html

  # Work around a bug in doxygen 1.3.

  for f in class*html struct*html; do

      sed '1,10s!^