Automatic using ::rtl::OUString etc.

[Norbert Thiebaud]

On Tue, Sep 18, 2012 at 3:38 AM, Stephan Bergmann <sbergman at redhat.com> wrote:
> It turns out that one drawback of this is with header files that are careful
> to only declare the incomplete type via
>
>   namespace rtl { class OUString; }
>
> (instead of including rtl/ustring.hxx) if that is all they need.  They would
> either need to continue using "rtl::OUString" (instead of just "OUString"),
> or need to duplicate the using declaration (which could be considered
> breaking of encapsulation), or include rtl/ustring.hxx instead.


here is (see bottom of the message) a list of cxx file that do
_not_include ustring.hxx (linux build... so there may be a handfull of
platform specific others)
excluding sal and autodoc, that is 236 files... out of 8013 files...
so 97% of the cxx file of the project already include ustring.hxx (and
therefore due to the inclusion chaine also include at a minimum:
 * sal/types.h
 *  sal/config.h
 *  sal/macros.h
 *  sal/detail/log.h
 *  sal/log.hxx
 * rtl/ustring.h
 *  osl/interlck.h
 *  rtl/string.h
 *   rtl/textcvt.h
 *    rtl/textenc.h
 * rtl/string.hxx
 *  osl/diagnose.h
 *  rtl/memory.h
 *  rtl/stringutils.hxx

so... out of the 163 header  ( git grep -l "namespace rtl *{ *class
OU" | grep -v OUStringBuffer | wc -l )  that use that namespace rtl {
class OUString; } construct... most of the time they are trying to
avoid a #include that happen anyway.

Norbert





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