Correctly escape Euro symbol in XML files on write (Issue #22967)
MortenMacFly
Description
Use-case: User enters something in a text-box and this content is written to an XML file using wxXmlDocument.
Issue: When the user enters the Euro symbol (€) "garbage" is written to the XML file in UTF 8 while it should be: € to avoid any encoding conflicts (it results in encoding conflicts with external XML tools with the "garbage", unfortunately).
Possible solution / enhancement
The Euro symbol should be escaped on write similar to <, >, quotes etc.
I believe this could be handled in the method OutputEscapedString in [GIT]\src\xml\xml.cpp but I don't know if this is supposed to be the right place. Or maybe you have a better solution?
Please note that reading € that is present in a XML file works properly, just not writing it back to the file.
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MortenMacFly
Answering myself: I see that this "solution" may become an issue when saving XML files as UTF-8, as this is a 16 bit notation?
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MortenMacFly
Closed #22967 as completed.
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MortenMacFly
Oh dear, this is something that is crazy... I found out that actually wxWidgets might be correct here. According to the standard, the the Euro symbol should be escaped as:
UTF-8-Encoding: 0xE2 0x82 0xAC
UTF-16-Encoding: 0x20AC
UTF-32-Encoding: 0x000020AC
My file is UTF-8 and the first one is the "garbage" I am referring to. I was wondering why it is 3 bytes and thoughts thats an error, but it seems correct. What a pity. So I have to find another way how to cope with the fact that this is mis-interpreted by several 3rd party XML tools I use. :-(
Sorry for the noise...
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