Re: [flexcoders] += operator is changing the encodings
wow gordon!
i am completly newbie on flex but understood perfectly your explanations!
this should be putted on the help of += operator :)
thank you very much dude!
[]'s
Luís Eduardo
Gordon Smith escreveu:
You're running into a difference between an XMLList (a built-in E4X
type, along with the XML type) and XMLListCollection (a Flex framework
type).
If the right-hand-side (RHS) of the E4X += operator is an XML instance
or an XMLList instance, it inserts children as you are expecting.
For example, suppose var x:XML = ab//a.
Then x.b += c/ sets x to ab/c//a. (This is the case where
RHS is an XML instance.)
And x.b += c/c// sets x to ab/c/c//a. (This is the
case where RHS is an XMLList instance.)
(Note that you can't write an XMLList literal as c/c/; it doesn't
compile. You wrap the nodes of the list between and /.)
However, if the RHS is any other type, then it calls toString() on the
RHS and inserts it as text, not as child nodes.
For eample, x.b += foo sets x to abfoo/b/a.
You can't have and in XML text, so they get converted to the XML
escape entities lt; and gt;
For example, x.b += c/ sets x to ablt;c/gt; /b/a.
Since E4X doesn't know about XMLListCollection, it treats it like any
other type and converts your XMLLC to a string and then escapes it. I
don't know of any way to directly convert an XMLListCollection to an
XMLList without looping over the items, which is similar to what
you're doing extract one XML from the XMLListCollection at a time.
- Gordon
*From:* flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED]
*On Behalf Of *Luis Eduardo
*Sent:* Wednesday, October 25, 2006 12:33 PM
*To:* flexcoders@yahoogroups.com
*Subject:* Re: [flexcoders] += operator is changing the encodings
Igor,
thx for your answer, but i think something isnt clear...
my problem is on the += operator in this line of code:
xgravar.root.request += XMLLC;
the XMLLC object is declared as:
mx:XMLListCollection id=XMLLC
collectionChange=collectionEventHandler(event)/
and have, at the time this line of code fire, the follow XML
TipoVeiculo Id=1 Nome=Moto Descricao=desc
TipoVeiculo Id=2 Nome=Carro Descricao=desc
TipoVeiculo Id=3 Nome=Caminhao Descricao=desc
TipoVeiculo Id=4 Nome=Aviao Descricao=desc
just that. (without a root node).
the root node is at xgravar.request.
but, when i do:
xgravar.root.request += XMLLC;
and after Alert.show(xgravar.toXMLString()) the code is changed to:
ds
root
request
ltTipoVeiculo Id=1 Nome=Moto Descricao=descgt
ltTipoVeiculo Id=2 Nome=Carro Descricao=descgt
ltTipoVeiculo Id=3 Nome=Caminhao Descricao=descgt
ltTipoVeiculo Id=4 Nome=Aviao Descricao=descgt
/request
/root
/ds
i have made a workaround for this with the follow code:
for each( var item : XML in XMLLC ) {
XML(xgravar.root.request).appendChild(item);
}
but i think that the += operator SHOULD do the same thing WITHOUT
changing the and simbols.
dont you agree?
best regards to you!
Luís Eduardo.
Igor Costa escreveu:
Hi Luiz
Isn't the operator that's wrong, you just missed out how to pass
String and concatening in both side of wall.
Check out this heck of how could be done.
public function myList():void
{
var myXML = new
XMLList(dsRQrootrequest//root/dsRQ);
szCommand = insert;
if( [EMAIL PROTECTED] = szCommand == true)
{
Alert.show(xgravar.toString());
}
else {
Alert.show(xgravar);
}
}
The problem is, you are trying to convert an object twice in time in
the same function, that's why the problem happens. if you put anything
in braces than you convert to string, the compiler intend to
undrestand that, ok the users now want to convert that cacharecter.
Regards.
szCommand = insert;
[EMAIL PROTECTED] = szCommand;
Alert.show(XMLLC.toXMLString()); // OK here. all and
works fine
xgravar.root.request += XMLLC;
Alert.show(xgravar.toXMLString()); // ERROR here. and
converted to lt and gt
}
On 10/24/06, *Luis Eduardo* [EMAIL PROTECTED]
mailto:illogic_code%40yahoo.com.br
mailto:[EMAIL PROTECTED]
mailto:illogic_code%40yahoo.com.br wrote:
hi,
In my app, when i use the += operator, the data inside xmls turns
with
diferent encoding.
The and caracters become wierds like lt and gt respectively.
How can i fix this?
this is the code:
public function doGravar():void {
var xgravar:XMLList = new
XMLList(dsRQrootrequest//root/dsRQ);
szCommand = insert;
[EMAIL PROTECTED] = szCommand;
Alert.show(XMLLC.toXMLString()); // OK here. all and
works fine
xgravar.root.request += XMLLC;
Alert.show(xgravar.toXMLString()); // ERROR here. and
converted to lt and gt
}
where XMLLC : XMLListCollection and szCommand : String.
The first Alert will show correct data but the second will show
caracters converted.
regards
[flexcoders] += operator is changing the encodings
hi,
In my app, when i use the += operator, the data inside xmls turns with
diferent encoding.
The and caracters become wierds like lt and gt respectively.
How can i fix this?
this is the code:
public function doGravar():void {
var xgravar:XMLList = new
XMLList(dsRQrootrequest//root/dsRQ);
szCommand = insert;
[EMAIL PROTECTED] = szCommand;
Alert.show(XMLLC.toXMLString()); // OK here. all and
works fine
xgravar.root.request += XMLLC;
Alert.show(xgravar.toXMLString()); // ERROR here. and
converted to lt and gt
}
where XMLLC : XMLListCollection and szCommand : String.
The first Alert will show correct data but the second will show
caracters converted.
regards,
Luís Eduardo.
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Re: [flexcoders] += operator is changing the encodings
Hi LuizIsn't the operator that's wrong, you just missed out how to pass String and concatening in both side of wall.Check out this heck of how could be done.public function myList():void{
var myXML = new XMLList(dsRQrootrequest//root/dsRQ); szCommand = insert; if( [EMAIL PROTECTED] = szCommand == true)
{ Alert.show(xgravar.toString()); } else { Alert.show(xgravar); }}The problem is, you are trying to convert an object twice in time in the same function, that's why the problem happens. if you put anything in braces than you convert to string, the compiler intend to undrestand that, ok the users now want to convert that cacharecter.
Regards.
szCommand = insert;
[EMAIL PROTECTED] = szCommand;
Alert.show(XMLLC.toXMLString()); // OK here. all and
works fine
xgravar.root.request += XMLLC;
Alert.show(xgravar.toXMLString()); // ERROR here. and
converted to lt and gt
}On 10/24/06, Luis Eduardo [EMAIL PROTECTED] wrote:
hi,
In my app, when i use the += operator, the data inside xmls turns with
diferent encoding.
The and caracters become wierds like lt and gt respectively.
How can i fix this?
this is the code:
public function doGravar():void {
var xgravar:XMLList = new
XMLList(dsRQrootrequest//root/dsRQ);
szCommand = insert;
[EMAIL PROTECTED] = szCommand;
Alert.show(XMLLC.toXMLString()); // OK here. all and
works fine
xgravar.root.request += XMLLC;
Alert.show(xgravar.toXMLString()); // ERROR here. and
converted to lt and gt
}
where XMLLC : XMLListCollection and szCommand : String.
The first Alert will show correct data but the second will show
caracters converted.
regards,
Luís Eduardo.
___
Novidade no Yahoo! Mail: receba alertas de novas mensagens no seu celular. Registre seu aparelho agora!
http://br.mobile.yahoo.com/mailalertas/
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Re: [flexcoders] += operator is changing the encodings
Igor,
thx for your answer, but i think something isnt clear...
my problem is on the += operator in this line of code:
xgravar.root.request += XMLLC;
the XMLLC object is declared as:
mx:XMLListCollection id=XMLLC
collectionChange=collectionEventHandler(event)/
and have, at the time this line of code fire, the follow XML
TipoVeiculo Id=1 Nome=Moto Descricao=desc
TipoVeiculo Id=2 Nome=Carro Descricao=desc
TipoVeiculo Id=3 Nome=Caminhao Descricao=desc
TipoVeiculo Id=4 Nome=Aviao Descricao=desc
just that. (without a root node).
the root node is at xgravar.request.
but, when i do:
xgravar.root.request += XMLLC;
and after Alert.show(xgravar.toXMLString()) the code is changed to:
ds
root
request
ltTipoVeiculo Id=1 Nome=Moto Descricao=descgt
ltTipoVeiculo Id=2 Nome=Carro Descricao=descgt
ltTipoVeiculo Id=3 Nome=Caminhao Descricao=descgt
ltTipoVeiculo Id=4 Nome=Aviao Descricao=descgt
/request
/root
/ds
i have made a workaround for this with the follow code:
for each( var item : XML in XMLLC ) {
XML(xgravar.root.request).appendChild(item);
}
but i think that the += operator SHOULD do the same thing WITHOUT
changing the and simbols.
dont you agree?
best regards to you!
Luís Eduardo.
Igor Costa escreveu:
Hi Luiz
Isn't the operator that's wrong, you just missed out how to pass
String and concatening in both side of wall.
Check out this heck of how could be done.
public function myList():void
{
var myXML = new
XMLList(dsRQrootrequest//root/dsRQ);
szCommand = insert;
if( [EMAIL PROTECTED] = szCommand == true)
{
Alert.show(xgravar.toString());
}
else {
Alert.show(xgravar);
}
}
The problem is, you are trying to convert an object twice in time in
the same function, that's why the problem happens. if you put anything
in braces than you convert to string, the compiler intend to
undrestand that, ok the users now want to convert that cacharecter.
Regards.
szCommand = insert;
[EMAIL PROTECTED] = szCommand;
Alert.show(XMLLC.toXMLString()); // OK here. all and
works fine
xgravar.root.request += XMLLC;
Alert.show(xgravar.toXMLString()); // ERROR here. and
converted to lt and gt
}
On 10/24/06, *Luis Eduardo* [EMAIL PROTECTED]
mailto:[EMAIL PROTECTED] wrote:
hi,
In my app, when i use the += operator, the data inside xmls turns
with
diferent encoding.
The and caracters become wierds like lt and gt respectively.
How can i fix this?
this is the code:
public function doGravar():void {
var xgravar:XMLList = new
XMLList(dsRQrootrequest//root/dsRQ);
szCommand = insert;
[EMAIL PROTECTED] = szCommand;
Alert.show(XMLLC.toXMLString()); // OK here. all and
works fine
xgravar.root.request += XMLLC;
Alert.show(xgravar.toXMLString()); // ERROR here. and
converted to lt and gt
}
where XMLLC : XMLListCollection and szCommand : String.
The first Alert will show correct data but the second will show
caracters converted.
regards,
Luís Eduardo.
___
Novidade no Yahoo! Mail: receba alertas de novas mensagens no seu
celular. Registre seu aparelho agora!
http://br.mobile.yahoo.com/mailalertas/
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RE: [flexcoders] += operator is changing the encodings
You're running into a difference between an XMLList (a
built-in E4X type, along with the XML type) and XMLListCollection (a Flex
framework type).
If the right-hand-side (RHS) of the E4X += operator is an
XML instance or an XMLList instance, it inserts children as you are expecting.
For example, suppose var x:XML = ab//a.
Then x.b += c/ sets x to ab/c//a.
(This is the case where RHS is an XML instance.)
And x.b += c/c// sets x to
ab/c/c//a. (This is the case where RHS
is an XMLList instance.)
(Note that you can't write an XMLList literal as
c/c/; it doesn't compile. You wrap the nodes of the list
between and /.)
However, if the RHS is any other type, then it calls
toString() on the RHS and inserts it as text, not as child nodes.
For eample, x.b += foo sets x to
abfoo/b/a.
You can't have and in XML text, so they get
converted to the XML escape entities lt; and gt;
For example, x.b += c/ sets x to ablt;c/gt;
/b/a.
Since E4X doesn't know about XMLListCollection, it treats it
like any other type and converts your XMLLC to a string and then escapes it. I
don't know of any way to directly convert an XMLListCollection to an XMLList
without looping over the items, which is similar to what you're doing extract
one XML from the XMLListCollection at a time.
- Gordon
From: flexcoders@yahoogroups.com [mailto:flexcoders@yahoogroups.com] On Behalf Of Luis Eduardo
Sent: Wednesday, October 25, 2006
12:33 PM
To: flexcoders@yahoogroups.com
Subject: Re: [flexcoders] +=
operator is changing the encodings
Igor,
thx for your answer, but i think something isnt clear...
my problem is on the += operator in this line of code:
xgravar.root.request += XMLLC;
the XMLLC object is declared as:
mx:XMLListCollection id=XMLLC
collectionChange=collectionEventHandler(event)/
and have, at the time this line of code fire, the follow XML
TipoVeiculo Id=1 Nome=Moto
Descricao=desc
TipoVeiculo Id=2 Nome=Carro
Descricao=desc
TipoVeiculo Id=3 Nome=Caminhao
Descricao=desc
TipoVeiculo Id=4 Nome=Aviao
Descricao=desc
just that. (without a root node).
the root node is at xgravar.request.
but, when i do:
xgravar.root.request += XMLLC;
and after Alert.show(xgravar.toXMLString()) the code is changed to:
ds
root
request
ltTipoVeiculo Id=1 Nome=Moto
Descricao=descgt
ltTipoVeiculo Id=2 Nome=Carro
Descricao=descgt
ltTipoVeiculo Id=3 Nome=Caminhao
Descricao=descgt
ltTipoVeiculo Id=4 Nome=Aviao
Descricao=descgt
/request
/root
/ds
i have made a workaround for this with the follow code:
for each( var item : XML in XMLLC ) {
XML(xgravar.root.request).appendChild(item);
}
but i think that the += operator SHOULD do the same thing WITHOUT
changing the and simbols.
dont you agree?
best regards to you!
Luís Eduardo.
Igor Costa escreveu:
Hi Luiz
Isn't the operator that's wrong, you just missed out how to pass
String and concatening in both side of wall.
Check out this heck of how could be done.
public function myList():void
{
var myXML = new
XMLList(dsRQrootrequest//root/dsRQ);
szCommand = insert;
if( xgravar.request.@command = szCommand == true)
{
Alert.show(xgravar.toString());
}
else {
Alert.show(xgravar);
}
}
The problem is, you are trying to convert an object twice in time in
the same function, that's why the problem happens. if you put anything
in braces than you convert to string, the compiler intend to
undrestand that, ok the users now want to convert that cacharecter.
Regards.
szCommand = insert;
xgravar.root.request.@command = szCommand;
Alert.show(XMLLC.toXMLString()); // OK here. all and
works fine
xgravar.root.request += XMLLC;
Alert.show(xgravar.toXMLString()); // ERROR here. and
converted to lt and gt
}
On 10/24/06, *Luis Eduardo* illogic_code@yahoo.com.br
mailto:illogic_code@yahoo.com.br
wrote:
hi,
In my app, when i use the += operator, the data inside xmls turns
with
diferent encoding.
The and caracters become wierds like lt and gt
respectively.
How can i fix this?
this is the code:
public function doGravar():void {
var xgravar:XMLList = new
XMLList(dsRQrootrequest//root/dsRQ);
szCommand = insert;
xgravar.root.request.@command = szCommand;
Alert.show(XMLLC.toXMLString()); // OK here. all and
works fine
xgravar.root.request += XMLLC;
Alert.show(xgravar.toXMLString()); // ERROR here. and
converted to lt and gt
}
where XMLLC : XMLListCollection and szCommand : String.
The first Alert will show correct data but the second will show
caracters converted.
regards,
Luís Eduardo.
___
Novidade no Yahoo! Mail: receba alertas de novas mensagens no seu
celular. Registre seu aparelho agora!
http://br.mobile.yahoo.com/mailalertas/
http://br.mobile.yahoo.com/mailalertas/
--
Igor Costa
www.igorcosta.com http://www.igorcosta.com
