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Native XML in string parameters   Message List  
Reply | Forward Message #6816 of 6840 |
Re: [xml-rpc] Native XML in string parameters


On 2 Jun 2009, at 15:24, kereszt_hu wrote:

> After digging up the posts I decided to ask..
>
> According to XML-RPC spec, parameter value of <string> cannot
> contain < or &. This means, sending XML as a parameter should be
> escaped. Even though, it is going to be part of another XML. Am I
> right?

Yes, implementations generally use &lt; and &amp;
>
>
> Is there any way to keep XML in parameters un-encoded.. and so human
> readable? eg. <xml> value "type"?

Yes, the text can be enclosed in a CDATA section:

<![CDATA[ some text with < and & ]]>

I'd be slightly nervous about using CDATA sections as some
implementations of XML-RPC have used very simple code to parse the XML
and may not be able to understand the construct.

>
>
> Maybe, I've gone too far. Please, clarify me either how to pass XML
> as a parameter value or XML-RPC is not for this use and I must crack
> down to simpler parameters or encoded (xml or base64) values.

What XML-RPC implementation are you using? I would expect the
implementation to accept and correctly substitute the < and &
characters in string parameters.


John Wilson




[Non-text portions of this message have been removed]




Tue Jun 2, 2009 2:48 pm

tug123uk
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Message #6816 of 6840 |
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After digging up the posts I decided to ask.. According to XML-RPC spec, parameter value of <string> cannot contain < or &. This means, sending XML as a...
kereszt_hu
Offline Send Email
Jun 2, 2009
2:30 pm

... There is no way, to send unescaped xml, sorry. It is not the fault of xmlrpc, it is the fault of the xml spec _ you cannot ever use a "<" char inside a...
Gaetano Giunta
gaetanogiunt...
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Jun 2, 2009
2:47 pm

... Yes, implementations generally use &lt; and &amp; ... Yes, the text can be enclosed in a CDATA section: <![CDATA[ some text with < and & ]]> I'd be...
John Wilson
tug123uk
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Jun 2, 2009
2:49 pm

... Actually, CDATA were my next tip. Your post explained to me that XML-RPC uses just the <string>'s node value and not everything below it. In the later...
kereszt_hu
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Jun 3, 2009
10:19 pm

... I'm not sure I understand what you are saying. Let me try to clarify what the spec says: A <string> can only contain text (in XML terms CDATA). It may not ...
John Wilson
tug123uk
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Jun 4, 2009
6:17 am

... You might want to look up the relax-ng spec for xmlrpc if you want to add more formalism / automation to the protocol. Unfortunately using xsd to exactly...
gaetanogiunta2000
gaetanogiunt...
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Jun 4, 2009
8:02 am

... The safest approach is to taken encoded XML and base-64 encode it as a binary payload. This way you don't have to know or are about the encoding of the...
Fred Drake
pythondocs
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Jun 2, 2009
2:51 pm
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