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/*
* dselect - Debian package maintenance user interface
* pkgsublist.cc - status modification and recursive package list handling
*
* Copyright © 1995 Ian Jackson <ijackson@chiark.greenend.org.uk>
* Copyright © 2007-2014 Guillem Jover <guillem@debian.org>
*
* This is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include <config.h>
#include <compat.h>
#include <string.h>
#include <stdio.h>
#include <dpkg/i18n.h>
#include <dpkg/dpkg.h>
#include <dpkg/dpkg-db.h>
#include "dselect.h"
#include "bindings.h"
void packagelist::add(pkginfo *pkg) {
debug(dbg_general, "packagelist[%p]::add(pkginfo %s)",
this, pkg_name(pkg, pnaw_always));
if (!recursive || // never add things to top level
!pkg->clientdata || // don't add pure virtual packages
pkg->clientdata->uprec) // don't add ones already in the recursive list
return;
debug(dbg_general, "packagelist[%p]::add(pkginfo %s) adding",
this, pkg_name(pkg, pnaw_always));
perpackagestate *state= &datatable[nitems];
state->pkg= pkg;
state->direct= state->original= pkg->clientdata->selected;
state->suggested= state->selected= pkg->clientdata->selected;
state->spriority= sp_inherit; state->dpriority= dp_none;
state->uprec= pkg->clientdata;
state->relations.init();
pkg->clientdata= state;
table[nitems]= state;
nitems++;
}
void
packagelist::add(pkginfo *pkg, pkgwant nw)
{
debug(dbg_general, "packagelist[%p]::add(pkginfo %s, %s)",
this, pkg_name(pkg, pnaw_always), wantstrings[nw]);
add(pkg); if (!pkg->clientdata) return;
pkg->clientdata->direct= nw;
selpriority np;
np= would_like_to_install(nw,pkg) ? sp_selecting : sp_deselecting;
if (pkg->clientdata->spriority > np) return;
debug(dbg_general, "packagelist[%p]::add(pkginfo %s, %s) setting",
this, pkg_name(pkg, pnaw_always), wantstrings[nw]);
pkg->clientdata->suggested= pkg->clientdata->selected= nw;
pkg->clientdata->spriority= np;
}
void packagelist::add(pkginfo *pkg, const char *extrainfo, showpriority showimp) {
debug(dbg_general, "packagelist[%p]::add(pkginfo %s, ..., showpriority %d)",
this, pkg_name(pkg, pnaw_always), showimp);
add(pkg); if (!pkg->clientdata) return;
if (pkg->clientdata->dpriority < showimp) pkg->clientdata->dpriority= showimp;
pkg->clientdata->relations(extrainfo);
}
bool
packagelist::alreadydone(doneent **done, void *check)
{
doneent *search = *done;
while (search && search->dep != check)
search = search->next;
if (search)
return true;
debug(dbg_general, "packagelist[%p]::alreadydone(%p, %p) new",
this, done, check);
search= new doneent;
search->next= *done;
search->dep= check;
*done= search;
return false;
}
void packagelist::addunavailable(deppossi *possi) {
debug(dbg_general, "packagelist[%p]::addunavail(%p)", this, possi);
if (!recursive) return;
if (alreadydone(&unavdone,possi)) return;
if (possi->up->up->clientdata == nullptr)
internerr("deppossi from package %s has nullptr clientdata",
pkg_name(possi->up->up, pnaw_always));
if (possi->up->up->clientdata->uprec == nullptr)
internerr("deppossi from package %s has nullptr clientdata's uprec",
pkg_name(possi->up->up, pnaw_always));
varbuf& vb= possi->up->up->clientdata->relations;
vb(possi->ed->name);
vb(_(" does not appear to be available\n"));
}
bool
packagelist::add(dependency *depends, showpriority displayimportance)
{
debug(dbg_general, "packagelist[%p]::add(dependency[%p])", this, depends);
if (alreadydone(&depsdone, depends))
return false;
const char *comma= "";
varbuf depinfo;
depinfo(depends->up->set->name);
depinfo(' ');
depinfo(gettext(relatestrings[depends->type]));
depinfo(' ');
deppossi *possi;
for (possi=depends->list;
possi;
possi=possi->next, comma=(possi && possi->next ? ", " : _(" or "))) {
depinfo(comma);
depinfo(possi->ed->name);
if (possi->verrel != DPKG_RELATION_NONE) {
switch (possi->verrel) {
case DPKG_RELATION_LE:
depinfo(" (<= ");
break;
case DPKG_RELATION_GE:
depinfo(" (>= ");
break;
case DPKG_RELATION_LT:
depinfo(" (<< ");
break;
case DPKG_RELATION_GT:
depinfo(" (>> ");
break;
case DPKG_RELATION_EQ:
depinfo(" (= ");
break;
default:
internerr("unknown dpkg_relation %d", possi->verrel);
}
depinfo(versiondescribe(&possi->version, vdew_nonambig));
depinfo(")");
}
}
depinfo('\n');
add(depends->up, depinfo.string(), displayimportance);
for (possi=depends->list; possi; possi=possi->next) {
add(&possi->ed->pkg, depinfo.string(), displayimportance);
if (depends->type != dep_provides) {
/* Providers are not relevant if we are looking at a provider
* relationship already. */
deppossi *provider;
for (provider = possi->ed->depended.available;
provider;
provider = provider->rev_next) {
if (provider->up->type != dep_provides) continue;
add(provider->up->up, depinfo.string(), displayimportance);
add(provider->up,displayimportance);
}
}
}
return true;
}
void repeatedlydisplay(packagelist *sub,
showpriority initial,
packagelist *unredisplay) {
pkginfo **newl;
keybindings *kb;
debug(dbg_general, "repeatedlydisplay(packagelist[%p])", sub);
if (sub->resolvesuggest() != 0 && sub->deletelessimp_anyleft(initial)) {
debug(dbg_general, "repeatedlydisplay(packagelist[%p]) once", sub);
if (unredisplay) unredisplay->enddisplay();
for (;;) {
/* Reset manual_install flag now that resolvesuggest() has seen it. */
manual_install = false;
newl= sub->display();
if (!newl) break;
debug(dbg_general, "repeatedlydisplay(packagelist[%p]) newl", sub);
kb= sub->bindings; delete sub;
sub= new packagelist(kb,newl);
if (sub->resolvesuggest() <= 1) break;
if (!sub->deletelessimp_anyleft(dp_must)) break;
debug(dbg_general, "repeatedlydisplay(packagelist[%p]) again", sub);
}
if (unredisplay) unredisplay->startdisplay();
}
debug(dbg_general, "repeatedlydisplay(packagelist[%p]) done", sub);
delete sub;
}
int packagelist::deletelessimp_anyleft(showpriority than) {
debug(dbg_general, "packagelist[%p]::dli_al(%d): nitems=%d",
this, than, nitems);
int insat, runthr;
for (runthr=0, insat=0;
runthr < nitems;
runthr++) {
if (table[runthr]->dpriority < than) {
table[runthr]->free(recursive);
} else {
if (insat != runthr) table[insat]= table[runthr];
insat++;
}
}
nitems= insat;
debug(dbg_general, "packagelist[%p]::dli_al(%d) done; nitems=%d",
this, than, nitems);
return nitems;
}
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