On Mon, Feb 15, 2016 at 11:54:39AM +0100, Bert Huijben wrote:
> > -----Original Message-----
> > From: James McCoy [mailto:vega.ja...@gmail.com] On Behalf Of James
> > McCoy
> > Sent: zondag 14 februari 2016 19:20
> > To: Daniel Shahaf <d...@daniel.shahaf.name>
> > Cc: dev@subversion.apache.org
> > Subject: Re: SVN::Client::log() first argument Re: svn commit: r1729519 -
> > /subversion/trunk/tools/client-side/svn-graph.pl
> >
> > On Sun, Feb 14, 2016 at 02:34:42PM +0000, Daniel Shahaf wrote:
> > > james...@apache.org wrote on Wed, Feb 10, 2016 at 03:22:36 -0000:
> > > > # Retrieve the requested history.
> > > > - $ra->get_log([''], $startrev, $youngest, 0, 1, 0,
> > > > \&process_revision);
> > > > + $client->log($repos_url, $startrev, $youngest, 1, 0,
> > \&process_revision);
> > >
> > > Why does this work? Both svn_client.h and SVN::Client(3) state the
> > > first argument is "targets", plural.
> >
> > SVN::Client(3) describes targets as
> >
> > $targets
> > This argument can either be a single $target (as defined
> > above) or a reference to an array of them.
>
> Do you have any pointers to see how this is implemented?
subversion/bindings/swig/include/svn_containers.swg defines a typemap
for "const apr_array_header_t *" parameters:
%typemap(in) const apr_array_header_t *STRINGLIST {
$1 = svn_swig_pl_strings_to_array($input,
_global_pool);
}
%typemap(in) const apr_array_header_t *STRINGLIST_MAY_BE_NULL {
$1 = SvOK($input) ? svn_swig_pl_strings_to_array(
$input, _global_pool) : NULL;
}
svn_swig_pl_strings_to_array (via svn_swig_pl_to_array), in
subversion/bindings/swig/perl/libsvn_swig_perl/swigutil_pl.c, handles
ensuring an apr_array_header_t is passed in to Subversion's APIs.
static apr_array_header_t *svn_swig_pl_to_array(SV *source,
pl_element_converter_t cv,
void *ctx, apr_pool_t *pool)
{
...
} else if (SvOK(source)) {
targlen = 1;
temp = apr_array_make(pool, targlen, sizeof(const char *));
temp->nelts = targlen;
APR_ARRAY_IDX(temp, 0, const char *) = cv(source, ctx, pool);
} else {
Cheers,
--
James
GPG Key: 4096R/331BA3DB 2011-12-05 James McCoy <james...@jamessan.com>
