Re: [xml] Making Sure Output is XML safe

["Elvis Stansvik" <elvstone gmail com>]

I forgot the footnote:

[1] http://xmlsoft.org/html/libxml-entities.html#xmlEncodeEntitiesReentrant

Elvis

2008/11/14 Elvis Stansvik <elvstone gmail com>:
> Hi Danie,
>
> 2008/11/5 Danie van der Walt <dvdwalt foneworx co za>:
>> HI Guys
>>
>> I hope you can help me.
>> I'm currently using libxml to parse incomming xml, but simply using printf
>> to generate my reply xml.
>>
>> I have one variable that may contain characters that are not xml
>> safe/friendly like '<' as an example.
>> Is there anyway that I can parse some text to a function and get a xml
>> "safe/friendly" output that I can use
>> in my app.
>
> Use xmlEncodeEntitiesReentrant() [1] to encode entities in a string. Like this:
>
> #include <stdio.h>
>
> #include <libxml/parser.h>
> #include <libxml/entities.h>
>
> int main (int argc, char *argv[])
> {
>    LIBXML_TEST_VERSION
>
>    const xmlChar *str = "string with < and > in it";
>    const xmlChar *xml = "<foo />";
>
>    xmlDoc *doc = xmlReadMemory(xml, 8, "xml", "UTF-8", 0);
>    xmlChar *safe_str = xmlEncodeEntitiesReentrant(doc, str);
>
>    printf("%s\n", safe_str);
>
>    xmlFree(safe_str);
>    xmlFreeDoc(doc);
>    xmlCleanupParser();
>
>    return(0);
> }
>
> Note that you need to pass it your document pointer as argument too,
> so that it will know about all entities and not just &lt;, &gt; et.c.
>
> Regards,
> Elvis
>
>>
>> Regards
>> Danie
>>
>>
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>>
>