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// file : odb/profile.cxx
// copyright : Copyright (c) 2009-2013 Code Synthesis Tools CC
// license : GNU GPL v3; see accompanying LICENSE file
#include <unistd.h> // stat
#include <sys/types.h> // stat
#include <sys/stat.h> // stat
#include <iostream>
#include <odb/profile.hxx>
using namespace std;
static bool
exist (profile_data::path const& p)
{
struct stat info;
// Just check that the file exist without checking for permissions, etc.
//
return stat (p.string ().c_str (), &info) == 0 && S_ISREG (info.st_mode);
}
string
profile_search (char const* prof, void* arg)
{
typedef profile_data::path path;
typedef profile_data::paths paths;
profile_data* pd (static_cast<profile_data*> (arg));
paths const& ps (pd->search_paths);
path p (prof), odb ("odb"), r;
p.normalize (); // Convert '/' to the canonical path separator form.
path p_db (p);
p_db += "-";
p_db += pd->db.string ();
p += ".options";
p_db += ".options";
paths::const_iterator i (ps.begin ()), end (ps.end ());
for (; i != end; ++i)
{
// First check for the database-specific version in the search directory
// itself and then try the odb/ subdirectory.
//
if (exist (r = *i / p_db))
break;
if (exist (r = *i / odb / p_db))
break;
// Then try the same with the database-independent version.
//
if (exist (r = *i / p))
break;
if (exist (r = *i / odb / p))
break;
}
if (i == end)
{
// Ignore the case where we didn't find the profile and this is the
// common database.
//
if (pd->db == database::common)
return string ();
cerr << pd->name << ": error: unable to locate options file for profile '"
<< prof << "'" << endl;
throw profile_failure ();
}
if (pd->loaded.find (r) != pd->loaded.end ())
return string ();
pd->loaded.insert (r);
return r.string ();
}
string
profile_search_ignore (char const*, void*)
{
return string ();
}
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