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-rw-r--r--dselect/pkgsublist.cc227
1 files changed, 227 insertions, 0 deletions
diff --git a/dselect/pkgsublist.cc b/dselect/pkgsublist.cc
new file mode 100644
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--- /dev/null
+++ b/dselect/pkgsublist.cc
@@ -0,0 +1,227 @@
+/*
+ * 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));
+
+ // cppcheck-suppress[constVariable]: false positive, operator() modifies it.
+ 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;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-18 04:35:39 +0000