Re: [boost] [Boost Review] Property Tree Library

From: Jeff Flinn (TriumphSprint2000_at_[hidden])
Date: 2006-04-24 09:08:31

Thorsten Ottosen wrote:
> Matias Capeletto wrote:
>
>> If we get the path into ptree we can overload other operator to
>> support this type of path (we can not overload operator[]... because
>> of precedence
>> issues :( someone nows a way we can still use it?, the sintaxis will
>> be very nice. As i see it, the only the choosen operator must have
>> the same priority, see the examples, so we have only have * and % ).
>>
>> Something like this may work...
>>
>> ptree data;
>> ptree::path p;
>>
>> data.put( p / "debug" / "info" / "testfail" , "somefile.hpp" );
>> data.put( p / "debug" / "info" / "testfail" , "otherfile.hpp" );
>> data.put( p / "debug" / "info" / "testfail" , "wer.hpp" );
>>
>> data.set( p / "debug" / "info" / "testfail" %2 , "file.hpp" ); // we
>> use set!
>
> some simple function would allow you to write
>
> data.set( p / "debug" / "info" / "testfail" / at(2) , "file.hpp" );
>
> or we might say
>
> data.set( (p / "debug" / "info" / "testfail")[2] , "file.hpp" );
>
> or perhaps
>
> data.set( p / "debug" / "info" / "testfail[2]" , "file.hpp" );

Exactly! There are many solutions that provide the generality/flexibility 
while providing ease of use. The library could also provide a function(s) 
that take a delimited string and return a valid path to encompass the 
original usage presented by Marcin.

Jeff Flinn