Adding upstream version 1.19.8.upstream/1.19.8upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 226 insertions, 0 deletions

diff --git a/dselect/pkgsublist.cc b/dselect/pkgsublist.cc
new file mode 100644
index 0000000..d25334f
--- /dev/null
+++ b/dselect/pkgsublist.cc
@@ -0,0 +1,226 @@
+/*
+ * 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;
+}