C/C++ et internet

g.lebourgeois a dit:
Bonjour,
Je suis à la recherche d'une bilbiothèque C/C++ compatible UNIX/WINDOWS, permettant de "naviguer" sur internet et de recueillir des infos.

Typiquement : ouvrir une URL, y associer un flux, pouvoir lire le flux, etc...

Si vous avez des idées de biblio. capable de faire ça, cela me serait d'une grande aide !

Merci à tous...
Cliquez pour agrandir...


Essaye de voir de coté de cURL et plus precisemment LibCurl.

Cordialement
 
Il faut la recompiler sous forme de framework, avec sûrement un petit travail au niveau des includes. Mais XCode sait parfaitement travailler avec des librairies unix classiques (statiques et dynamiques). :zen:
 
Bon, j'ai tenté d'installer libcurl, mais je ne suis pas sûr que ça ait réussi... y'a t'il un moyen de le vérifier ?
Par ailleurs, dans Xcode, je fais Projetc/Edit Project et je rajoute le chemin de ma librairie dans Library Search Path et c'est censé être gagné ou il faut chercher un peu plus loin ?
 
g.lebourgeois a dit:
Merci bien.... maintenant, partie II : est ce que vous savez comment transfromer cette bibliothèque en un FRAMEWORK XCode pour pouvoir programmer tranquillement et sereinement dans mon environnement préféré ?
Cliquez pour agrandir...

Bloc de code: 
#!/bin/sh

# rtool - Mach-O library binary relocation tool.
#
# Copyright (C) 1999-2007 Plumber
# OpenSpecies, The GNU-Darwin Distribution.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
# As a special exception to the GNU General Public License, if you
# distribute this file as part of a program that contains a
# configuration script generated by Autoconf, you may include it under
# the same distribution terms that you use for the rest of that program.

##
# begin Functions
##

#
# boolean is_mach(string $file)
#
function is_mach ()
{
    if ! test "$1" = "" ;
    then
    
        if file $1 | grep "Mach-O" 1>/dev/null ; 
        then
            return 1;    
        else
            return 0;
        fi
    fi
    
    return 0;
}

#
# boolean is_link(string $link, string $file)
#
function is_link ()
{
    if ! test "$1" = "" && ! test "$2" = "" ;
    then
        grepLink=`otool -L $2 | grep $1 | cut -d" "  -f 1`
        
        if ! test "$grepLink" = "" ;
        then
            return 1;    
        else
            return 0;
        fi
    fi
        
    return 0;
}

#
# void link_transform(string $link2search, string $link2replace, string $binary)
#
function link_transform ()
{
    s="$1"
    r="$2"
    x="$3"
    
    is_mach "$x"

    if test "$(echo $?)" = "1" ;
    then
    
        is_link "$s" "$x"
        
        if test "$(echo $?)" = "1" ;
        then
            install_name_tool -change $s $r $x
        fi
    fi
}
#
# void links_exchange(list $search_links,list $replace_links , string $binary)
#
function links_exchange ()
{
        s_l="$1"
        r_l="$2"
        x="$3"

        if [ $(echo $s_l  | wc -w) = $(echo $r_l | wc -w) ] ;
        then
        
            i=1
            
            for s in $s_l;
            do
                r=$(echo $r_l | cut -d" "  -f $i );
                
                link_transform $s $r $x
                
                let i=$i+1
            done
        
        fi
}

#
# void relocate_lib(string $id, string $lib)
#
function relocate_lib ()
{
    is_mach "$2"

    if test "$(echo $?)" = "1" ;
    then
        install_name_tool -id "${1}" "${2}"
    fi
}

#
# void relocate_lib(string $framework_full_root, string $framework_name, string $library)
#
function frameworkize_lib ()
{
    relocate_lib "${1}/${2}" "${3}"
}

##
# end Functions
##

##
# begin Lambda
##

#
# lambda &getlib_name ()
#
getlib_name ()
{
    lib=$(basename $library)
    lib_name=$(echo $lib | sed "s/\.[0-9]//g" | sed "s/.dylib//g")
}

#
# lambda &getlib_version ()
#
getlib_version ()
{
    lib_version=$(echo $lib | sed "s/$lib_name\.//g" | sed "s/.dylib//g")
}

#
# lambda &getproj_name ()
#
getproj_name ()
{
    proj_name=${framework_name}.frwkproj
}

#
# lambda &lib_id ()
#
getlib_id ()
{
    lib_id=$(otool -D $library | grep $lib_name | cut -d:  -f 2)
}

##
# end Lambda
##

#
# begin getOpt
#

stderr()
{
    echo "  "
    echo " ****************** "
    echo " * $1 "
    echo " ****************** "
    echo "  "
    exit 1
}

usage()
{
    less -ce <<EOF
Usage: rtool [OPTION]...
Relocate a library as a framework bundle.

Options:
    --framework_root    framework root (@executable_path/../Frameworks)
    --framework_name    framework name mynameLib
    --framework_version    framework version
    --library    library /some/where/libmyname.dylib
    --rlinks_binaries (optional) exchange shared libraries linked
    --rlinks_framework (optional) exchange shared libraries linked
    --headers (optional list) "/some/where/header_1.h some/where/header_2.h"
    --builddir        build
    --binaries (optional list) "/some/where/bin_1 some/where/bin_2"
    --manuals (optional list) "/some/where/manual_1.1 some/where/manual_2.3"
    --version        displays version

Default:
rtool \\
    --framework_root=/library/Frameworks \\
    --framework_name=mynameLib \\
    --framework_version=A \\
    --library=/some/where/libmyname.dylib \\
    --builddir=/some/where/build

Examples:    
    
    #search list :
    \$search=/usr/lib/libMy.dylib \\
    /usr/lib/libOther.dylib

    #replace list :
    \$replace=@executable_path/../Frameworks/My.framework/Versions/A/My \\
    @executable_path/../Frameworks/Other.framework/Versions/A/Other
    
    --rlinks_framework="[\$search]:[\$replace]"
    
    \$x=$\{framework_name}.framework/Version/$\{framework_version}/$\{framework_name}
    
    for count \$search ;
    do
        \$s=\$search[i]
        \$r=\$replace[i]
        
        install_name_tool -change \$s \$r \$x
    done
    
    --rlinks_binaries="[\$search]:[\$replace]" 
    
    for count binaries
    
        \$x=\$binaries[i]
        
        for count \$search ;
        do
            \$s=\$search[i]
            \$r=\$replace[i]
            
            install_name_tool -change \$s \$r \$x
        done
    done
    
EOF
    exit 1
}

if test $# -eq 0 ; then
  usage 1 1>&2
fi

while test $# -gt 0 ; do
    case "$1" in
        -*=*)
        optarg=`echo "$1" | sed 's/[-_a-zA-Z0-9]*=//'`
    ;;
    *)
    optarg=
    ;;
    esac
    
    case $1 in
    --framework_root=*)
        
        if ! test "$optarg" = "" ;
        then
            framework_root=$optarg
            framework_root_set=yes
        fi
    ;;
    --framework_name=*)
        
        if ! test "$optarg" = "" ;
        then
            framework_name=$optarg
            framework_name_set=yes
        fi
    ;;
    --framework_version=*)
    
        if ! test "$optarg" = "" ;
        then
            framework_version=$optarg
            framework_version_set=yes
        fi
    ;;
    --library=*)
        
        if ! test "$optarg" = "" ;
        then
            library=$optarg
            library_set=yes
        fi
    ;;
    --rlinks_framework=*)
        
        if ! test "$optarg" = "" ;
        then
            rlinks_framework=$optarg
            rlinks_framework_set=yes
        fi
    ;;
    --rlinks_binaries=*)
        
        if ! test "$optarg" = "" ;
        then
            rlinks_binaries=$optarg
            rlinks_binaries_set=yes
        fi
    ;;
    --builddir=*)
    
        if ! test "$optarg" = "" ;
        then
            builddir=$optarg
            builddir_set=yes
        fi
    ;;
    --binaries=*)
    
        if ! test "$optarg" = "" ;
        then
            binaries=$optarg
            binaries_set=yes
        fi
    ;;
    --headers=*)
        
        if ! test "$optarg" = "" ;
        then
            headers=$optarg
            headers_set=yes
        fi
    ;;
    --manuals=*)
        
        if ! test "$optarg" = "" ;
        then
            manuals=$optarg
            manuals_set=yes
        fi
    ;;
    --version)
        echo 1.0.0
        exit 0
    ;;
    --help)
        usage 1 1>&2
    ;;
    *)
        stderr "Arguments error : rtool --help"
    ;;
    esac
    shift
done
#
# end getOpt
#

#
# begin testOpt
#
if test "$framework_root_set" = "yes" \
&& test "$framework_name_set" = "yes" \
&& test "$library_set" = "yes" \
&& test "$builddir_set" = "yes" ; then
    
    if ! test -f $library ;
    then
        stderr "Not found : --library=${library}"
    fi
    
    getlib_name 1 1>&2
    getlib_version 1 1>&2
    getproj_name 1 1>&2
    getlib_id 1 1>&2
    
    if ! test "$framework_version_set" = "yes" ; then
        framework_version=${lib_version}
    fi
    
    
    framework_bundle=${framework_name}.framework/Versions/${framework_version}
    framework_full_root=${framework_root}/${framework_bundle}
    
    rm -Rf ${builddir}/$proj_name
    
    framework_resources=${builddir}/$proj_name/${framework_bundle}/Resources
        
    mkdir -p ${framework_resources}
    
    framework_framework=${builddir}/$proj_name/${framework_bundle}
        
    mkdir -p ${framework_framework} 
    
    cp -f $library ${framework_framework}/${framework_name}
    chmod -f 755 ${framework_framework}/${framework_name}
    
    frameworkize_lib "${framework_full_root}" "${framework_name}" "${builddir}/${proj_name}/${framework_bundle}/${framework_name}"
    
    if test "$rlinks_framework_set" = "yes" ;
    then
        
        s=$(echo $rlinks_framework | cut -d:  -f 1 | sed "s/\[//g" | sed "s/\]//g")
        r=$(echo $rlinks_framework | cut -d:  -f 2 | sed "s/\[//g" | sed "s/\]//g")
        
        links_exchange "$s" "$r" "${builddir}/${proj_name}/${framework_bundle}/${framework_name}"
    fi
    #dev hack
    if test "$build_local_support" = "yes" ;
    then
    
        #( cd ${framework_framework} \
        #&& ln -s ${framework_name} ${lib_name}.dylib \
        #&& ln -s ${framework_name} ${lib_name}.dylib.${lib_version} \
        #&& ln -s ${framework_name} ${lib_name}.${lib_version}.dylib )
        
        symlinks=$(ls $(dirname $library) | grep ${lib_name}\.*dylib)
        
        #prefix=$(dirname $lib_id | sed "s/\/lib//g") 
        #mkdir -p ${builddir}/$proj_name${prefix}/{bin,include,lib,share} ;
        
        for symlink in $symlinks; do
            
            ( cd ${framework_resources} && ln -fs ../${framework_name} $(basename $symlink) )
            
        done
        
        if test -f $(dirname $library)/${lib_name}.la;
        then
            cp -f $(dirname $library)/${lib_name}.la ${framework_resources}
        fi
        
        if test "$headers_set" = "yes" ;
        then
            ( cd ${framework_resources} && ln -fs ../Headers include )
        fi
        
        if test "$binaries_set" = "yes" ;
        then
            ( cd ${framework_resources} && ln -fs Utilities bin )
        fi
        
        ( cd ${framework_resources} && ln -fs . lib )
    fi
    
    if test "$binaries_set" = "yes" ;
    then
        
        framework_utilities=${framework_resources}/Utilities
        
        mkdir -p ${framework_utilities} 
        
        for bin in $binaries; do
            cp $bin ${framework_utilities}/$(basename $bin)
            chmod -f 755 ${framework_utilities}/$(basename $bin)
            
            link_transform "${lib_id}" "${framework_full_root}/${framework_name}" "${framework_utilities}/$(basename $bin)"
            
            if test "$rlinks_binaries_set" = "yes" ;
            then
                
                s=$(echo $rlinks_binaries | cut -d:  -f 1 | sed "s/\[//g" | sed "s/\]//g")
                r=$(echo $rlinks_binaries | cut -d:  -f 2 | sed "s/\[//g" | sed "s/\]//g")
                
                links_exchange "$s" "$r" "${framework_utilities}/$(basename $bin)"
            fi
        done
    fi
    
    if test "$headers_set" = "yes" ;
    then
    
        framework_headers=${builddir}/$proj_name/${framework_bundle}/Headers
        
        mkdir -p ${framework_headers} 
        
        for header in $headers; do
            
            cp -PR $header ${framework_headers}/$(basename $header)
            
            if test -d ${framework_headers}/$(basename $header) ;
            then
                mkdir -p ${framework_headers}/$(basename $header)
                chmod -f 755 ${framework_headers}/$(basename $header)
            else
                chmod -f 644 ${framework_headers}/$(basename $header)
            fi
        done
    fi
    
    if test "$manuals_set" = "yes" ;
    then
    
        framework_documentation=${framework_resources}/Documentation
        
        mkdir -p ${framework_documentation} 
        rm -Rf ${framework_documentation}/*
        
        for manual in $manuals; do
            
            if test -x /usr/X11R6/bin/rman ;
            then
                /usr/X11R6/bin/rman -f HTML $manual > ${framework_documentation}/$(basename $manual).html 2>/dev/null;
    
            elif test -x rman ;
            then
                rman -f HTML $manual > ${framework_documentation}/$(basename $manual).html  2>/dev/null;
                
            else
                cp $manual ${framework_documentation}/$(basename $manual);
            fi
        done
        
        chmod -f 644 `find ${framework_documentation} -type file`
    fi
    
    ###
     
    tolinks=$(ls ${framework_framework})
    
    for tolink in $tolinks; do
        
        if test -d ${framework_framework}/$tolink || test "$tolink" = "$framework_name";
        then
            (  cd ${builddir}/$proj_name/${framework_name}.framework && ln -s Versions/${framework_version}/$(basename $tolink) )
        fi
    done
     
     (  cd ${builddir}/$proj_name/${framework_name}.framework/Versions && ln -s ${framework_version} Current )
    
    ###
else

    stderr "Arguments error : rtool --help"

fi
#
# end testOpt
#
 

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