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Re: json object from cookie

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  • Douglas Crockford
    ... JSON ... object fine. ... An example of the use of JSON cookies can be found at http://www.JSLint.com/index.html
    Message 1 of 13 , Jan 16, 2007
    • 0 Attachment
      > I am trying to get JSON object from a JSON string in a cookie. When I
      > convert the string read from cookie, i still get a string and not a
      JSON
      > object. So i did an eval on the string again and I get the JSON
      object fine.
      > is this the right way to do this?

      An example of the use of JSON cookies can be found at
      http://www.JSLint.com/index.html
    • Crzy4c
      Why not simply use the parseJSON function? var myObject = myJSONtext.parseJSON(filter); (see : http://www.json.org/js.html for more detailed example and
      Message 2 of 13 , Jan 16, 2007
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        Why not simply use the parseJSON function?

        var myObject = myJSONtext.parseJSON(filter);

        (see : http://www.json.org/js.html for more detailed example and
        explaination)

        Mike



        On 1/16/07, Douglas Crockford <douglas@...> wrote:
        >
        > > I am trying to get JSON object from a JSON string in a cookie. When I
        > > convert the string read from cookie, i still get a string and not a
        > JSON
        > > object. So i did an eval on the string again and I get the JSON
        > object fine.
        > > is this the right way to do this?
        >
        > An example of the use of JSON cookies can be found at
        > http://www.JSLint.com/index.html <http://www.jslint.com/index.html>
        >
        >
        >


        [Non-text portions of this message have been removed]
      • Mark Ireland
        Can we see the string? ... _________________________________________________________________ Advertisement: It s simple! Sell your car for just $20 at
        Message 3 of 13 , Jan 16, 2007
        • 0 Attachment
          Can we see the string?


          >From: mark <rkmr.em@...>
          >Reply-To: json@yahoogroups.com
          >To: json@yahoogroups.com
          >Subject: Re: [json] json object from cookie
          >Date: Mon, 15 Jan 2007 21:37:34 -0800
          >
          >i did :
          >alert(typeof(json_text_string))
          >
          >
          >i got string as the type.
          >and after i did an eval again i did this again for which i got the type as
          >"object".
          >mark
          >On 1/15/07, Mark Ireland <markincuba@...> wrote:
          > >
          > >
          > > What test do you do to show that your string is not a JSON object?
          > >
          > > >From: mark <rkmr.em@... <rkmr.em%40gmail.com>>
          > > >Reply-To: json@yahoogroups.com <json%40yahoogroups.com>
          > > >To: json@yahoogroups.com <json%40yahoogroups.com>
          > > >Subject: [json] json object from cookie
          > > >Date: Mon, 15 Jan 2007 17:00:31 -0800
          > > >
          > > >I am trying to get JSON object from a JSON string in a cookie. When I
          > > >convert the string read from cookie, i still get a string and not a
          >JSON
          > > >object. So i did an eval on the string again and I get the JSON object
          > > >fine.
          > > >is this the right way to do this?
          > > >what am i doing wrong?
          > > >
          > > >thanks
          > > >mark
          > > >
          > > >
          > > >here is what i do:
          > > >var json_text=getcookie('sub_options');
          > > >var json_text_string = eval('(' + json_text + ')');
          > > >var options_list= eval('(' + json_text_string + ')');
          > > >
          > > >//to get cookie
          > > >function getcookie(cookiename) {
          > > >var cookiestring=""+document.cookie;
          > > >var index1=cookiestring.indexOf(cookiename);
          > > >if (index1==-1 || cookiename=="") return "";
          > > >var index2=cookiestring.indexOf(';',index1);
          > > >if (index2==-1) index2=cookiestring.length;
          > > >return unescape(cookiestring.substring
          > > (index1+cookiename.length+1,index2));
          > > >}
          > > >
          > > >
          > > >[Non-text portions of this message have been removed]
          > > >
          > >
          > > __________________________________________________________
          > > Advertisement: Meet Sexy Singles Today @ Lavalife - Click here
          > >
          > >
          >http://a.ninemsn.com.au/b.aspx?URL=http%3A%2F%2Flavalife9%2Eninemsn%2Ecom%2Eau%2Fclickthru%2Fclickthru%2Eact%3Fid%3Dninemsn%26context%3Dan99%26locale%3Den%5FAU%26a%3D23769&_t=754951090&_r=endtext_lavalife_dec_meet&_m=EXT
          > >
          > >
          > >
          >
          >
          >[Non-text portions of this message have been removed]
          >

          _________________________________________________________________
          Advertisement: It's simple! Sell your car for just $20 at carsales.com.au
          http://a.ninemsn.com.au/b.aspx?URL=http%3A%2F%2Fsecure%2Dau%2Eimrworldwide%2Ecom%2Fcgi%2Dbin%2Fa%2Fci%5F450304%2Fet%5F2%2Fcg%5F801577%2Fpi%5F1005244%2Fai%5F838588&_t=757768878&_r=endtext_simple&_m=EXT
        • mark
          it is a basically a list with 3 elements. first is an empty string. the next two are list with each 2 elements. this is what i got from mozilla firefox 2.0
          Message 4 of 13 , Jan 16, 2007
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            it is a basically a list with 3 elements. first is an empty string. the next
            two are list with each 2 elements.
            this is what i got from mozilla firefox 2.0 show cookies option in
            prefernces:

            "[\"\", [\"baby-boy|baby-boy_v\", \"baby-girl|baby-girl_v\"],
            [\"lion|lion_v\", \"tiger|tiger_v\"]]"

            this is the cookie i set in python backend
            >>> import cjson
            >>> cjson.encode(["",['baby-boy|baby-boy_v',
            'baby-girl|baby-girl_v'],['lion|lion_v', 'tiger|tiger_v']])
            '["", ["baby-boy|baby-boy_v", "baby-girl|baby-girl_v"], ["lion|lion_v",
            "tiger|tiger_v"]]'
            >>>


            thanks
            mark


            On 1/16/07, Mark Ireland <markincuba@...> wrote:
            >
            >
            > Can we see the string?
            >
            > >From: mark <rkmr.em@... <rkmr.em%40gmail.com>>
            > >Reply-To: json@yahoogroups.com <json%40yahoogroups.com>
            > >To: json@yahoogroups.com <json%40yahoogroups.com>
            > >Subject: Re: [json] json object from cookie
            > >Date: Mon, 15 Jan 2007 21:37:34 -0800
            > >
            > >i did :
            > >alert(typeof(json_text_string))
            > >
            > >
            > >i got string as the type.
            > >and after i did an eval again i did this again for which i got the type
            > as
            > >"object".
            > >mark
            > >On 1/15/07, Mark Ireland <markincuba@...<markincuba%40hotmail.com>>
            > wrote:
            > > >
            > > >
            > > > What test do you do to show that your string is not a JSON object?
            > > >
            > > > >From: mark <rkmr.em@... <rkmr.em%40gmail.com> <
            > rkmr.em%40gmail.com>>
            > > > >Reply-To: json@yahoogroups.com <json%40yahoogroups.com><json%40yahoogroups.com>
            > > > >To: json@yahoogroups.com <json%40yahoogroups.com><json%40yahoogroups.com>
            > > > >Subject: [json] json object from cookie
            > > > >Date: Mon, 15 Jan 2007 17:00:31 -0800
            > > > >
            > > > >I am trying to get JSON object from a JSON string in a cookie. When I
            > > > >convert the string read from cookie, i still get a string and not a
            > >JSON
            > > > >object. So i did an eval on the string again and I get the JSON
            > object
            > > > >fine.
            > > > >is this the right way to do this?
            > > > >what am i doing wrong?
            > > > >
            > > > >thanks
            > > > >mark
            > > > >
            > > > >
            > > > >here is what i do:
            > > > >var json_text=getcookie('sub_options');
            > > > >var json_text_string = eval('(' + json_text + ')');
            > > > >var options_list= eval('(' + json_text_string + ')');
            > > > >
            > > > >//to get cookie
            > > > >function getcookie(cookiename) {
            > > > >var cookiestring=""+document.cookie;
            > > > >var index1=cookiestring.indexOf(cookiename);
            > > > >if (index1==-1 || cookiename=="") return "";
            > > > >var index2=cookiestring.indexOf(';',index1);
            > > > >if (index2==-1) index2=cookiestring.length;
            > > > >return unescape(cookiestring.substring
            > > > (index1+cookiename.length+1,index2));
            > > > >}
            > > > >
            > > > >
            > > > >[Non-text portions of this message have been removed]
            > > > >
            > > >
            > > > __________________________________________________________
            > > > Advertisement: Meet Sexy Singles Today @ Lavalife - Click here
            > > >
            > > >
            > >
            > http://a.ninemsn.com.au/b.aspx?URL=http%3A%2F%2Flavalife9%2Eninemsn%2Ecom%2Eau%2Fclickthru%2Fclickthru%2Eact%3Fid%3Dninemsn%26context%3Dan99%26locale%3Den%5FAU%26a%3D23769&_t=754951090&_r=endtext_lavalife_dec_meet&_m=EXT
            > > >
            > > >
            > > >
            > >
            > >
            > >[Non-text portions of this message have been removed]
            > >
            >
            > __________________________________________________________
            > Advertisement: It's simple! Sell your car for just $20 at carsales.com.au
            >
            > http://a.ninemsn.com.au/b.aspx?URL=http%3A%2F%2Fsecure%2Dau%2Eimrworldwide%2Ecom%2Fcgi%2Dbin%2Fa%2Fci%5F450304%2Fet%5F2%2Fcg%5F801577%2Fpi%5F1005244%2Fai%5F838588&_t=757768878&_r=endtext_simple&_m=EXT
            >
            >
            >


            [Non-text portions of this message have been removed]
          • mark
            ... I can not see an example. There is just a javascript validator? mark [Non-text portions of this message have been removed]
            Message 5 of 13 , Jan 16, 2007
            • 0 Attachment
              On 1/16/07, Douglas Crockford <douglas@...> wrote:
              >
              > > I am trying to get JSON object from a JSON string in a cookie. When I
              > > convert the string read from cookie, i still get a string and not a
              > JSON
              > > object. So i did an eval on the string again and I get the JSON
              > object fine.
              > > is this the right way to do this?
              >
              > An example of the use of JSON cookies can be found at
              > http://www.JSLint.com/index.html
              >











              I can not see an example. There is just a javascript validator?
              mark


              [Non-text portions of this message have been removed]
            • Mark Ireland
              Could it be that the typeof() function just isnt that clever? { means - could be an object? anything else ie [ that is definitely not an array - could be a
              Message 6 of 13 , Jan 16, 2007
              • 0 Attachment
                Could it be that the typeof() function just isnt that clever?

                '{' means - could be an object?

                anything else ie '[' that is definitely not an array - could be a string?


                >From: mark <rkmr.em@...>
                >Reply-To: json@yahoogroups.com
                >To: json@yahoogroups.com
                >Subject: Re: [json] json object from cookie
                >Date: Tue, 16 Jan 2007 17:18:28 -0800
                >
                >it is a basically a list with 3 elements. first is an empty string. the
                >next
                >two are list with each 2 elements.
                >this is what i got from mozilla firefox 2.0 show cookies option in
                >prefernces:
                >
                >"[\"\", [\"baby-boy|baby-boy_v\", \"baby-girl|baby-girl_v\"],
                >[\"lion|lion_v\", \"tiger|tiger_v\"]]"
                >
                >this is the cookie i set in python backend
                > >>> import cjson
                > >>> cjson.encode(["",['baby-boy|baby-boy_v',
                >'baby-girl|baby-girl_v'],['lion|lion_v', 'tiger|tiger_v']])
                >'["", ["baby-boy|baby-boy_v", "baby-girl|baby-girl_v"], ["lion|lion_v",
                >"tiger|tiger_v"]]'
                > >>>
                >
                >
                >thanks
                >mark
                >
                >
                >On 1/16/07, Mark Ireland <markincuba@...> wrote:
                > >
                > >
                > > Can we see the string?
                > >
                > > >From: mark <rkmr.em@... <rkmr.em%40gmail.com>>
                > > >Reply-To: json@yahoogroups.com <json%40yahoogroups.com>
                > > >To: json@yahoogroups.com <json%40yahoogroups.com>
                > > >Subject: Re: [json] json object from cookie
                > > >Date: Mon, 15 Jan 2007 21:37:34 -0800
                > > >
                > > >i did :
                > > >alert(typeof(json_text_string))
                > > >
                > > >
                > > >i got string as the type.
                > > >and after i did an eval again i did this again for which i got the type
                > > as
                > > >"object".
                > > >mark
                > > >On 1/15/07, Mark Ireland
                ><markincuba@...<markincuba%40hotmail.com>>
                > > wrote:
                > > > >
                > > > >
                > > > > What test do you do to show that your string is not a JSON object?
                > > > >
                > > > > >From: mark <rkmr.em@... <rkmr.em%40gmail.com> <
                > > rkmr.em%40gmail.com>>
                > > > > >Reply-To: json@yahoogroups.com
                ><json%40yahoogroups.com><json%40yahoogroups.com>
                > > > > >To: json@yahoogroups.com
                ><json%40yahoogroups.com><json%40yahoogroups.com>
                > > > > >Subject: [json] json object from cookie
                > > > > >Date: Mon, 15 Jan 2007 17:00:31 -0800
                > > > > >
                > > > > >I am trying to get JSON object from a JSON string in a cookie. When
                >I
                > > > > >convert the string read from cookie, i still get a string and not a
                > > >JSON
                > > > > >object. So i did an eval on the string again and I get the JSON
                > > object
                > > > > >fine.
                > > > > >is this the right way to do this?
                > > > > >what am i doing wrong?
                > > > > >
                > > > > >thanks
                > > > > >mark
                > > > > >
                > > > > >
                > > > > >here is what i do:
                > > > > >var json_text=getcookie('sub_options');
                > > > > >var json_text_string = eval('(' + json_text + ')');
                > > > > >var options_list= eval('(' + json_text_string + ')');
                > > > > >
                > > > > >//to get cookie
                > > > > >function getcookie(cookiename) {
                > > > > >var cookiestring=""+document.cookie;
                > > > > >var index1=cookiestring.indexOf(cookiename);
                > > > > >if (index1==-1 || cookiename=="") return "";
                > > > > >var index2=cookiestring.indexOf(';',index1);
                > > > > >if (index2==-1) index2=cookiestring.length;
                > > > > >return unescape(cookiestring.substring
                > > > > (index1+cookiename.length+1,index2));
                > > > > >}
                > > > > >
                > > > > >
                > > > > >[Non-text portions of this message have been removed]
                > > > > >
                > > > >
                > > > > __________________________________________________________
                > > > > Advertisement: Meet Sexy Singles Today @ Lavalife - Click here
                > > > >
                > > > >
                > > >
                > >
                >http://a.ninemsn.com.au/b.aspx?URL=http%3A%2F%2Flavalife9%2Eninemsn%2Ecom%2Eau%2Fclickthru%2Fclickthru%2Eact%3Fid%3Dninemsn%26context%3Dan99%26locale%3Den%5FAU%26a%3D23769&_t=754951090&_r=endtext_lavalife_dec_meet&_m=EXT
                > > > >
                > > > >
                > > > >
                > > >
                > > >
                > > >[Non-text portions of this message have been removed]
                > > >
                > >
                > > __________________________________________________________
                > > Advertisement: It's simple! Sell your car for just $20 at
                >carsales.com.au
                > >
                > >
                >http://a.ninemsn.com.au/b.aspx?URL=http%3A%2F%2Fsecure%2Dau%2Eimrworldwide%2Ecom%2Fcgi%2Dbin%2Fa%2Fci%5F450304%2Fet%5F2%2Fcg%5F801577%2Fpi%5F1005244%2Fai%5F838588&_t=757768878&_r=endtext_simple&_m=EXT
                > >
                > >
                > >
                >
                >
                >[Non-text portions of this message have been removed]
                >

                _________________________________________________________________
                Advertisement: Meet Sexy Singles Today @ Lavalife - Click here
                http://a.ninemsn.com.au/b.aspx?URL=http%3A%2F%2Flavalife9%2Eninemsn%2Ecom%2Eau%2Fclickthru%2Fclickthru%2Eact%3Fid%3Dninemsn%26context%3Dan99%26locale%3Den%5FAU%26a%3D23769&_t=754951090&_r=endtext_lavalife_dec_meet&_m=EXT
              • mark
                It definitely is a string, cos, when I try to access the list element [0], i just a character. mark ... [Non-text portions of this message have been removed]
                Message 7 of 13 , Jan 16, 2007
                • 0 Attachment
                  It definitely is a string, cos, when I try to access the list element [0], i
                  just a character.
                  mark
                  On 1/16/07, Mark Ireland <markincuba@...> wrote:
                  >
                  >
                  > Could it be that the typeof() function just isnt that clever?
                  >
                  > '{' means - could be an object?
                  >
                  > anything else ie '[' that is definitely not an array - could be a string?
                  >
                  > >From: mark <rkmr.em@... <rkmr.em%40gmail.com>>
                  > >Reply-To: json@yahoogroups.com <json%40yahoogroups.com>
                  > >To: json@yahoogroups.com <json%40yahoogroups.com>
                  > >Subject: Re: [json] json object from cookie
                  > >Date: Tue, 16 Jan 2007 17:18:28 -0800
                  > >
                  > >it is a basically a list with 3 elements. first is an empty string. the
                  > >next
                  > >two are list with each 2 elements.
                  > >this is what i got from mozilla firefox 2.0 show cookies option in
                  > >prefernces:
                  > >
                  > >"[\"\", [\"baby-boy|baby-boy_v\", \"baby-girl|baby-girl_v\"],
                  > >[\"lion|lion_v\", \"tiger|tiger_v\"]]"
                  > >
                  > >this is the cookie i set in python backend
                  > > >>> import cjson
                  > > >>> cjson.encode(["",['baby-boy|baby-boy_v',
                  > >'baby-girl|baby-girl_v'],['lion|lion_v', 'tiger|tiger_v']])
                  > >'["", ["baby-boy|baby-boy_v", "baby-girl|baby-girl_v"], ["lion|lion_v",
                  > >"tiger|tiger_v"]]'
                  > > >>>
                  > >
                  > >
                  > >thanks
                  > >mark
                  > >
                  > >
                  > >On 1/16/07, Mark Ireland <markincuba@...<markincuba%40hotmail.com>>
                  > wrote:
                  > > >
                  > > >
                  > > > Can we see the string?
                  > > >
                  > > > >From: mark <rkmr.em@... <rkmr.em%40gmail.com> <
                  > rkmr.em%40gmail.com>>
                  > > > >Reply-To: json@yahoogroups.com <json%40yahoogroups.com><json%40yahoogroups.com>
                  > > > >To: json@yahoogroups.com <json%40yahoogroups.com><json%40yahoogroups.com>
                  > > > >Subject: Re: [json] json object from cookie
                  > > > >Date: Mon, 15 Jan 2007 21:37:34 -0800
                  > > > >
                  > > > >i did :
                  > > > >alert(typeof(json_text_string))
                  > > > >
                  > > > >
                  > > > >i got string as the type.
                  > > > >and after i did an eval again i did this again for which i got the
                  > type
                  > > > as
                  > > > >"object".
                  > > > >mark
                  > > > >On 1/15/07, Mark Ireland
                  > ><markincuba@... <markincuba%40hotmail.com>
                  > <markincuba%40hotmail.com>>
                  > > > wrote:
                  > > > > >
                  > > > > >
                  > > > > > What test do you do to show that your string is not a JSON object?
                  > > > > >
                  > > > > > >From: mark <rkmr.em@... <rkmr.em%40gmail.com> <
                  > rkmr.em%40gmail.com> <
                  > > > rkmr.em%40gmail.com>>
                  > > > > > >Reply-To: json@yahoogroups.com <json%40yahoogroups.com>
                  > ><json%40yahoogroups.com><json%40yahoogroups.com>
                  > > > > > >To: json@yahoogroups.com <json%40yahoogroups.com>
                  > ><json%40yahoogroups.com><json%40yahoogroups.com>
                  >
                  > > > > > >Subject: [json] json object from cookie
                  > > > > > >Date: Mon, 15 Jan 2007 17:00:31 -0800
                  > > > > > >
                  > > > > > >I am trying to get JSON object from a JSON string in a cookie.
                  > When
                  > >I
                  > > > > > >convert the string read from cookie, i still get a string and not
                  > a
                  > > > >JSON
                  > > > > > >object. So i did an eval on the string again and I get the JSON
                  > > > object
                  > > > > > >fine.
                  > > > > > >is this the right way to do this?
                  > > > > > >what am i doing wrong?
                  > > > > > >
                  > > > > > >thanks
                  > > > > > >mark
                  > > > > > >
                  > > > > > >
                  > > > > > >here is what i do:
                  > > > > > >var json_text=getcookie('sub_options');
                  > > > > > >var json_text_string = eval('(' + json_text + ')');
                  > > > > > >var options_list= eval('(' + json_text_string + ')');
                  > > > > > >
                  > > > > > >//to get cookie
                  > > > > > >function getcookie(cookiename) {
                  > > > > > >var cookiestring=""+document.cookie;
                  > > > > > >var index1=cookiestring.indexOf(cookiename);
                  > > > > > >if (index1==-1 || cookiename=="") return "";
                  > > > > > >var index2=cookiestring.indexOf(';',index1);
                  > > > > > >if (index2==-1) index2=cookiestring.length;
                  > > > > > >return unescape(cookiestring.substring
                  > > > > > (index1+cookiename.length+1,index2));
                  > > > > > >}
                  > > > > > >
                  > > > > > >
                  > > > > > >[Non-text portions of this message have been removed]
                  > > > > > >
                  > > > > >
                  > > > > > __________________________________________________________
                  > > > > > Advertisement: Meet Sexy Singles Today @ Lavalife - Click here
                  > > > > >
                  > > > > >
                  > > > >
                  > > >
                  > >
                  > http://a.ninemsn.com.au/b.aspx?URL=http%3A%2F%2Flavalife9%2Eninemsn%2Ecom%2Eau%2Fclickthru%2Fclickthru%2Eact%3Fid%3Dninemsn%26context%3Dan99%26locale%3Den%5FAU%26a%3D23769&_t=754951090&_r=endtext_lavalife_dec_meet&_m=EXT
                  > > > > >
                  > > > > >
                  > > > > >
                  > > > >
                  > > > >
                  > > > >[Non-text portions of this message have been removed]
                  > > > >
                  > > >
                  > > > __________________________________________________________
                  > > > Advertisement: It's simple! Sell your car for just $20 at
                  > >carsales.com.au
                  > > >
                  > > >
                  > >
                  > http://a.ninemsn.com.au/b.aspx?URL=http%3A%2F%2Fsecure%2Dau%2Eimrworldwide%2Ecom%2Fcgi%2Dbin%2Fa%2Fci%5F450304%2Fet%5F2%2Fcg%5F801577%2Fpi%5F1005244%2Fai%5F838588&_t=757768878&_r=endtext_simple&_m=EXT
                  > > >
                  > > >
                  > > >
                  > >
                  > >
                  > >[Non-text portions of this message have been removed]
                  > >
                  >
                  > __________________________________________________________
                  > Advertisement: Meet Sexy Singles Today @ Lavalife - Click here
                  >
                  > http://a.ninemsn.com.au/b.aspx?URL=http%3A%2F%2Flavalife9%2Eninemsn%2Ecom%2Eau%2Fclickthru%2Fclickthru%2Eact%3Fid%3Dninemsn%26context%3Dan99%26locale%3Den%5FAU%26a%3D23769&_t=754951090&_r=endtext_lavalife_dec_meet&_m=EXT
                  >
                  >
                  >


                  [Non-text portions of this message have been removed]
                • Mark Ireland
                  I think in terms of associative arrays, so maybe your cookie needs a key? ... _________________________________________________________________ Advertisement:
                  Message 8 of 13 , Jan 17, 2007
                  • 0 Attachment
                    I think in terms of associative arrays, so maybe your cookie needs a key?

                    >From: mark <rkmr.em@...>
                    >Reply-To: json@yahoogroups.com
                    >To: json@yahoogroups.com
                    >Subject: Re: [json] json object from cookie
                    >Date: Tue, 16 Jan 2007 21:36:54 -0800
                    >
                    >It definitely is a string, cos, when I try to access the list element [0],
                    >i
                    >just a character.
                    >mark
                    >On 1/16/07, Mark Ireland <markincuba@...> wrote:
                    > >
                    > >
                    > > Could it be that the typeof() function just isnt that clever?
                    > >
                    > > '{' means - could be an object?
                    > >
                    > > anything else ie '[' that is definitely not an array - could be a
                    >string?
                    > >
                    > > >From: mark <rkmr.em@... <rkmr.em%40gmail.com>>
                    > > >Reply-To: json@yahoogroups.com <json%40yahoogroups.com>
                    > > >To: json@yahoogroups.com <json%40yahoogroups.com>
                    > > >Subject: Re: [json] json object from cookie
                    > > >Date: Tue, 16 Jan 2007 17:18:28 -0800
                    > > >
                    > > >it is a basically a list with 3 elements. first is an empty string. the
                    > > >next
                    > > >two are list with each 2 elements.
                    > > >this is what i got from mozilla firefox 2.0 show cookies option in
                    > > >prefernces:
                    > > >
                    > > >"[\"\", [\"baby-boy|baby-boy_v\", \"baby-girl|baby-girl_v\"],
                    > > >[\"lion|lion_v\", \"tiger|tiger_v\"]]"
                    > > >
                    > > >this is the cookie i set in python backend
                    > > > >>> import cjson
                    > > > >>> cjson.encode(["",['baby-boy|baby-boy_v',
                    > > >'baby-girl|baby-girl_v'],['lion|lion_v', 'tiger|tiger_v']])
                    > > >'["", ["baby-boy|baby-boy_v", "baby-girl|baby-girl_v"], ["lion|lion_v",
                    > > >"tiger|tiger_v"]]'
                    > > > >>>
                    > > >
                    > > >
                    > > >thanks
                    > > >mark
                    > > >
                    > > >
                    > > >On 1/16/07, Mark Ireland
                    ><markincuba@...<markincuba%40hotmail.com>>
                    > > wrote:
                    > > > >
                    > > > >
                    > > > > Can we see the string?
                    > > > >
                    > > > > >From: mark <rkmr.em@... <rkmr.em%40gmail.com> <
                    > > rkmr.em%40gmail.com>>
                    > > > > >Reply-To: json@yahoogroups.com
                    ><json%40yahoogroups.com><json%40yahoogroups.com>
                    > > > > >To: json@yahoogroups.com
                    ><json%40yahoogroups.com><json%40yahoogroups.com>
                    > > > > >Subject: Re: [json] json object from cookie
                    > > > > >Date: Mon, 15 Jan 2007 21:37:34 -0800
                    > > > > >
                    > > > > >i did :
                    > > > > >alert(typeof(json_text_string))
                    > > > > >
                    > > > > >
                    > > > > >i got string as the type.
                    > > > > >and after i did an eval again i did this again for which i got the
                    > > type
                    > > > > as
                    > > > > >"object".
                    > > > > >mark
                    > > > > >On 1/15/07, Mark Ireland
                    > > ><markincuba@... <markincuba%40hotmail.com>
                    > > <markincuba%40hotmail.com>>
                    > > > > wrote:
                    > > > > > >
                    > > > > > >
                    > > > > > > What test do you do to show that your string is not a JSON
                    >object?
                    > > > > > >
                    > > > > > > >From: mark <rkmr.em@... <rkmr.em%40gmail.com> <
                    > > rkmr.em%40gmail.com> <
                    > > > > rkmr.em%40gmail.com>>
                    > > > > > > >Reply-To: json@yahoogroups.com <json%40yahoogroups.com>
                    > > ><json%40yahoogroups.com><json%40yahoogroups.com>
                    > > > > > > >To: json@yahoogroups.com <json%40yahoogroups.com>
                    > > ><json%40yahoogroups.com><json%40yahoogroups.com>
                    > >
                    > > > > > > >Subject: [json] json object from cookie
                    > > > > > > >Date: Mon, 15 Jan 2007 17:00:31 -0800
                    > > > > > > >
                    > > > > > > >I am trying to get JSON object from a JSON string in a cookie.
                    > > When
                    > > >I
                    > > > > > > >convert the string read from cookie, i still get a string and
                    >not
                    > > a
                    > > > > >JSON
                    > > > > > > >object. So i did an eval on the string again and I get the JSON
                    > > > > object
                    > > > > > > >fine.
                    > > > > > > >is this the right way to do this?
                    > > > > > > >what am i doing wrong?
                    > > > > > > >
                    > > > > > > >thanks
                    > > > > > > >mark
                    > > > > > > >
                    > > > > > > >
                    > > > > > > >here is what i do:
                    > > > > > > >var json_text=getcookie('sub_options');
                    > > > > > > >var json_text_string = eval('(' + json_text + ')');
                    > > > > > > >var options_list= eval('(' + json_text_string + ')');
                    > > > > > > >
                    > > > > > > >//to get cookie
                    > > > > > > >function getcookie(cookiename) {
                    > > > > > > >var cookiestring=""+document.cookie;
                    > > > > > > >var index1=cookiestring.indexOf(cookiename);
                    > > > > > > >if (index1==-1 || cookiename=="") return "";
                    > > > > > > >var index2=cookiestring.indexOf(';',index1);
                    > > > > > > >if (index2==-1) index2=cookiestring.length;
                    > > > > > > >return unescape(cookiestring.substring
                    > > > > > > (index1+cookiename.length+1,index2));
                    > > > > > > >}
                    > > > > > > >
                    > > > > > > >
                    > > > > > > >[Non-text portions of this message have been removed]
                    > > > > > > >
                    > > > > > >
                    > > > > > > __________________________________________________________
                    > > > > > > Advertisement: Meet Sexy Singles Today @ Lavalife - Click here
                    > > > > > >
                    > > > > > >
                    > > > > >
                    > > > >
                    > > >
                    > >
                    >http://a.ninemsn.com.au/b.aspx?URL=http%3A%2F%2Flavalife9%2Eninemsn%2Ecom%2Eau%2Fclickthru%2Fclickthru%2Eact%3Fid%3Dninemsn%26context%3Dan99%26locale%3Den%5FAU%26a%3D23769&_t=754951090&_r=endtext_lavalife_dec_meet&_m=EXT
                    > > > > > >
                    > > > > > >
                    > > > > > >
                    > > > > >
                    > > > > >
                    > > > > >[Non-text portions of this message have been removed]
                    > > > > >
                    > > > >
                    > > > > __________________________________________________________
                    > > > > Advertisement: It's simple! Sell your car for just $20 at
                    > > >carsales.com.au
                    > > > >
                    > > > >
                    > > >
                    > >
                    >http://a.ninemsn.com.au/b.aspx?URL=http%3A%2F%2Fsecure%2Dau%2Eimrworldwide%2Ecom%2Fcgi%2Dbin%2Fa%2Fci%5F450304%2Fet%5F2%2Fcg%5F801577%2Fpi%5F1005244%2Fai%5F838588&_t=757768878&_r=endtext_simple&_m=EXT
                    > > > >
                    > > > >
                    > > > >
                    > > >
                    > > >
                    > > >[Non-text portions of this message have been removed]
                    > > >
                    > >
                    > > __________________________________________________________
                    > > Advertisement: Meet Sexy Singles Today @ Lavalife - Click here
                    > >
                    > >
                    >http://a.ninemsn.com.au/b.aspx?URL=http%3A%2F%2Flavalife9%2Eninemsn%2Ecom%2Eau%2Fclickthru%2Fclickthru%2Eact%3Fid%3Dninemsn%26context%3Dan99%26locale%3Den%5FAU%26a%3D23769&_t=754951090&_r=endtext_lavalife_dec_meet&_m=EXT
                    > >
                    > >
                    > >
                    >
                    >
                    >[Non-text portions of this message have been removed]
                    >

                    _________________________________________________________________
                    Advertisement: Fresh jobs daily. Stop waiting for the newspaper. Search now!
                    www.seek.com.au
                    http://a.ninemsn.com.au/b.aspx?URL=http%3A%2F%2Fninemsn%2Eseek%2Ecom%2Eau&_t=757263760&_r=Hotmail_EndText_Dec06&_m=EXT
                  • mark
                    what do you mean by that? i set it with a key and retrieve it with the same key. ... [Non-text portions of this message have been removed]
                    Message 9 of 13 , Jan 17, 2007
                    • 0 Attachment
                      what do you mean by that?
                      i set it with a key and retrieve it with the same key.


                      On 1/17/07, Mark Ireland <markincuba@...> wrote:
                      >
                      >
                      > I think in terms of associative arrays, so maybe your cookie needs a key?
                      >
                      > >From: mark <rkmr.em@...>
                      > >Reply-To: json@yahoogroups.com
                      > >To: json@yahoogroups.com
                      > >Subject: Re: [json] json object from cookie
                      > >Date: Tue, 16 Jan 2007 21:36:54 -0800
                      > >
                      > >It definitely is a string, cos, when I try to access the list element
                      > [0],
                      > >i
                      > >just a character.
                      > >mark
                      > >On 1/16/07, Mark Ireland <markincuba@...> wrote:
                      > > >
                      > > >
                      > > > Could it be that the typeof() function just isnt that clever?
                      > > >
                      > > > '{' means - could be an object?
                      > > >
                      > > > anything else ie '[' that is definitely not an array - could be a
                      > >string?
                      > > >
                      > > > >From: mark <rkmr.em@... <rkmr.em%40gmail.com>>
                      > > > >Reply-To: json@yahoogroups.com <json%40yahoogroups.com>
                      > > > >To: json@yahoogroups.com <json%40yahoogroups.com>
                      > > > >Subject: Re: [json] json object from cookie
                      > > > >Date: Tue, 16 Jan 2007 17:18:28 -0800
                      > > > >
                      > > > >it is a basically a list with 3 elements. first is an empty string.
                      > the
                      > > > >next
                      > > > >two are list with each 2 elements.
                      > > > >this is what i got from mozilla firefox 2.0 show cookies option in
                      > > > >prefernces:
                      > > > >
                      > > > >"[\"\", [\"baby-boy|baby-boy_v\", \"baby-girl|baby-girl_v\"],
                      > > > >[\"lion|lion_v\", \"tiger|tiger_v\"]]"
                      > > > >
                      > > > >this is the cookie i set in python backend
                      > > > > >>> import cjson
                      > > > > >>> cjson.encode(["",['baby-boy|baby-boy_v',
                      > > > >'baby-girl|baby-girl_v'],['lion|lion_v', 'tiger|tiger_v']])
                      > > > >'["", ["baby-boy|baby-boy_v", "baby-girl|baby-girl_v"],
                      > ["lion|lion_v",
                      > > > >"tiger|tiger_v"]]'
                      > > > > >>>
                      > > > >
                      > > > >
                      > > > >thanks
                      > > > >mark
                      > > > >
                      > > > >
                      > > > >On 1/16/07, Mark Ireland
                      > ><markincuba@...<markincuba%40hotmail.com>>
                      > > > wrote:
                      > > > > >
                      > > > > >
                      > > > > > Can we see the string?
                      > > > > >
                      > > > > > >From: mark <rkmr.em@... <rkmr.em%40gmail.com> <
                      > > > rkmr.em%40gmail.com>>
                      > > > > > >Reply-To: json@yahoogroups.com
                      > ><json%40yahoogroups.com><json%40yahoogroups.com>
                      > > > > > >To: json@yahoogroups.com
                      > ><json%40yahoogroups.com><json%40yahoogroups.com>
                      > > > > > >Subject: Re: [json] json object from cookie
                      > > > > > >Date: Mon, 15 Jan 2007 21:37:34 -0800
                      > > > > > >
                      > > > > > >i did :
                      > > > > > >alert(typeof(json_text_string))
                      > > > > > >
                      > > > > > >
                      > > > > > >i got string as the type.
                      > > > > > >and after i did an eval again i did this again for which i got
                      > the
                      > > > type
                      > > > > > as
                      > > > > > >"object".
                      > > > > > >mark
                      > > > > > >On 1/15/07, Mark Ireland
                      > > > ><markincuba@... <markincuba%40hotmail.com>
                      > > > <markincuba%40hotmail.com>>
                      > > > > > wrote:
                      > > > > > > >
                      > > > > > > >
                      > > > > > > > What test do you do to show that your string is not a JSON
                      > >object?
                      > > > > > > >
                      > > > > > > > >From: mark <rkmr.em@... <rkmr.em%40gmail.com> <
                      > > > rkmr.em%40gmail.com> <
                      > > > > > rkmr.em%40gmail.com>>
                      > > > > > > > >Reply-To: json@yahoogroups.com <json%40yahoogroups.com>
                      > > > ><json%40yahoogroups.com><json%40yahoogroups.com>
                      > > > > > > > >To: json@yahoogroups.com <json%40yahoogroups.com>
                      > > > ><json%40yahoogroups.com><json%40yahoogroups.com>
                      > > >
                      > > > > > > > >Subject: [json] json object from cookie
                      > > > > > > > >Date: Mon, 15 Jan 2007 17:00:31 -0800
                      > > > > > > > >
                      > > > > > > > >I am trying to get JSON object from a JSON string in a
                      > cookie.
                      > > > When
                      > > > >I
                      > > > > > > > >convert the string read from cookie, i still get a string and
                      > >not
                      > > > a
                      > > > > > >JSON
                      > > > > > > > >object. So i did an eval on the string again and I get the
                      > JSON
                      > > > > > object
                      > > > > > > > >fine.
                      > > > > > > > >is this the right way to do this?
                      > > > > > > > >what am i doing wrong?
                      > > > > > > > >
                      > > > > > > > >thanks
                      > > > > > > > >mark
                      > > > > > > > >
                      > > > > > > > >
                      > > > > > > > >here is what i do:
                      > > > > > > > >var json_text=getcookie('sub_options');
                      > > > > > > > >var json_text_string = eval('(' + json_text + ')');
                      > > > > > > > >var options_list= eval('(' + json_text_string + ')');
                      > > > > > > > >
                      > > > > > > > >//to get cookie
                      > > > > > > > >function getcookie(cookiename) {
                      > > > > > > > >var cookiestring=""+document.cookie;
                      > > > > > > > >var index1=cookiestring.indexOf(cookiename);
                      > > > > > > > >if (index1==-1 || cookiename=="") return "";
                      > > > > > > > >var index2=cookiestring.indexOf(';',index1);
                      > > > > > > > >if (index2==-1) index2=cookiestring.length;
                      > > > > > > > >return unescape(cookiestring.substring
                      > > > > > > > (index1+cookiename.length+1,index2));
                      > > > > > > > >}
                      > > > > > > > >
                      > > > > > > > >
                      > > > > > > > >[Non-text portions of this message have been removed]
                      > > > > > > > >
                      > > > > > > >
                      > > > > > > > __________________________________________________________
                      > > > > > > > Advertisement: Meet Sexy Singles Today @ Lavalife - Click here
                      > > > > > > >
                      > > > > > > >
                      > > > > > >
                      > > > > >
                      > > > >
                      > > >
                      > >
                      > http://a.ninemsn.com.au/b.aspx?URL=http%3A%2F%2Flavalife9%2Eninemsn%2Ecom%2Eau%2Fclickthru%2Fclickthru%2Eact%3Fid%3Dninemsn%26context%3Dan99%26locale%3Den%5FAU%26a%3D23769&_t=754951090&_r=endtext_lavalife_dec_meet&_m=EXT
                      > > > > > > >
                      > > > > > > >
                      > > > > > > >
                      > > > > > >
                      > > > > > >
                      > > > > > >[Non-text portions of this message have been removed]
                      > > > > > >
                      > > > > >
                      > > > > > __________________________________________________________
                      > > > > > Advertisement: It's simple! Sell your car for just $20 at
                      > > > >carsales.com.au
                      > > > > >
                      > > > > >
                      > > > >
                      > > >
                      > >
                      > http://a.ninemsn.com.au/b.aspx?URL=http%3A%2F%2Fsecure%2Dau%2Eimrworldwide%2Ecom%2Fcgi%2Dbin%2Fa%2Fci%5F450304%2Fet%5F2%2Fcg%5F801577%2Fpi%5F1005244%2Fai%5F838588&_t=757768878&_r=endtext_simple&_m=EXT
                      > > > > >
                      > > > > >
                      > > > > >
                      > > > >
                      > > > >
                      > > > >[Non-text portions of this message have been removed]
                      > > > >
                      > > >
                      > > > __________________________________________________________
                      > > > Advertisement: Meet Sexy Singles Today @ Lavalife - Click here
                      > > >
                      > > >
                      > >
                      > http://a.ninemsn.com.au/b.aspx?URL=http%3A%2F%2Flavalife9%2Eninemsn%2Ecom%2Eau%2Fclickthru%2Fclickthru%2Eact%3Fid%3Dninemsn%26context%3Dan99%26locale%3Den%5FAU%26a%3D23769&_t=754951090&_r=endtext_lavalife_dec_meet&_m=EXT
                      > > >
                      > > >
                      > > >
                      > >
                      > >
                      > >[Non-text portions of this message have been removed]
                      > >
                      >
                      > _________________________________________________________________
                      > Advertisement: Fresh jobs daily. Stop waiting for the newspaper. Search
                      > now!
                      > www.seek.com.au
                      >
                      > http://a.ninemsn.com.au/b.aspx?URL=http%3A%2F%2Fninemsn%2Eseek%2Ecom%2Eau&_t=757263760&_r=Hotmail_EndText_Dec06&_m=EXT
                      >
                      >
                      >
                      >
                      > Yahoo! Groups Links
                      >
                      >
                      >
                      >


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