Added version handling

4 files changed, 279 insertions, 25 deletions

diff --git a/noncore/settings/aqpkg/aqpkg.pro b/noncore/settings/aqpkg/aqpkg.pro
index b869f32..99b82a1 100644
--- a/noncore/settings/aqpkg/aqpkg.pro
+++ b/noncore/settings/aqpkg/aqpkg.pro
@@ -1,44 +1,44 @@
         TEMPLATE= app
         CONFIG  = qt warn_on debug
         HEADERS         = global.h \
                   mainwin.h \
                   datamgr.h \
                   settingsimpl.h \
                   ipkg.h \
                   networkpkgmgr.h \
                   package.h \
                   progressdlg.h \
                   installdlgimpl.h \
                   instoptionsimpl.h \
                   destination.h \
                   utils.h \
                   server.h \
                   helpwindow.h \
                   letterpushbutton.h \
                   inputdlg.h
         SOURCES         = mainwin.cpp \
                   datamgr.cpp \
                   mem.cpp \
                   settingsimpl.cpp \
                   ipkg.cpp \
                   networkpkgmgr.cpp \
                   main.cpp \
                   package.cpp \
                   progressdlg.cpp \
                   installdlgimpl.cpp \
                   instoptionsimpl.cpp \
                   destination.cpp \
                   utils.cpp \
                   server.cpp \
                   helpwindow.cpp \
                   letterpushbutton.cpp \
-                  inputdlg.cpp
+                  inputdlg.cpp \
+                  version.cpp
         INTERFACES= settings.ui \
                   install.ui \
                   instoptions.ui
         TARGET  = aqpkg
-DESTDIR=$(OPIEDIR)/bin
 INCLUDEPATH += $(OPIEDIR)/include
 DEPENDPATH  += $(OPIEDIR)/include
 LIBS        += -lqpe -lstdc++
 
diff --git a/noncore/settings/aqpkg/installdlgimpl.cpp b/noncore/settings/aqpkg/installdlgimpl.cpp
index 2ea70e0..b297437 100644
--- a/noncore/settings/aqpkg/installdlgimpl.cpp
+++ b/noncore/settings/aqpkg/installdlgimpl.cpp
@@ -47,97 +47,100 @@ InstallDlgImpl::InstallDlgImpl( vector<InstallData> &packageList, DataManager *d
     defaultDest = cfg.readEntry( "dest", "root" );
 
     // Grab flags - Turn MAKE_LINKS on by default (if no flags found)
     flags = cfg.readNumEntry( "installFlags", 0 );
 #else
         flags = 0;
 #endif
 
     // Output text is read only
     output->setReadOnly( true );
         QFont f( "helvetica" );
         f.setPointSize( 10 );
         output->setFont( f );
 
 
     // setup destination data
     int defIndex = 0;
     int i;
     for ( i = 0 , dit = dataMgr->getDestinationList().begin() ; dit != dataMgr->getDestinationList().end() ; ++dit, ++i )
     {
         destination->insertItem( dit->getDestinationName() );
         if ( dit->getDestinationName() == defaultDest )
             defIndex = i;
     }
 
     destination->setCurrentItem( defIndex );
 
         vector<InstallData>::iterator it;
         // setup package data
         QString remove = "Remove\n";
         QString install = "\nInstall\n";
         QString upgrade = "\nUpgrade\n";
         for ( it = packageList.begin() ; it != packageList.end() ; ++it )
         {
                 InstallData item = *it;
                 if ( item.option == "I" )
                 {
                         installList.push_back( item );
                         install += "   " + item.packageName + "\n";
                 }
                 else if ( item.option == "D" )
                 {
                         removeList.push_back( item );
                         remove += "   " + item.packageName + "\n";
                 }
                 else if ( item.option == "U" || item.option == "R" )
                 {
                         updateList.push_back( item );
-                        upgrade += "   " + item.packageName + "\n";
+            QString type = " (Upgrade)";
+            if ( item.option == "R" )
+                type = " (ReInstall)";
+                        upgrade += "   " + item.packageName + type + "\n";
                 }
         }
 
         output->setText( remove + install + upgrade );
 }
 
 InstallDlgImpl::InstallDlgImpl( Ipkg *ipkg, QString initialText, QWidget *parent, const char *name, bool modal, WFlags fl )
     : InstallDlg( parent, name, modal, fl )
 {
     pIpkg = ipkg;
     output->setText( initialText );
 }
 
 
 InstallDlgImpl::~InstallDlgImpl()
 {
 }
 
 bool InstallDlgImpl :: showDlg()
 {
         showMaximized();
         bool ret = exec();
 
         return ret;
 }
 
 void InstallDlgImpl :: optionsSelected()
 {
         InstallOptionsDlgImpl opt( flags, this, "Option", true );
         opt.exec();
 
         // set options selected from dialog
     flags = 0;
     if ( opt.forceDepends->isChecked() )
         flags |= FORCE_DEPENDS;
     if ( opt.forceReinstall->isChecked() )
         flags |= FORCE_REINSTALL;
     if ( opt.forceRemove->isChecked() )
         flags |= FORCE_REMOVE;
     if ( opt.forceOverwrite->isChecked() )
         flags |= FORCE_OVERWRITE;
 
 #ifdef QWS
     Config cfg( "aqpkg" );
     cfg.setGroup( "settings" );
     cfg.writeEntry( "installFlags", flags );
 #endif
 }
diff --git a/noncore/settings/aqpkg/networkpkgmgr.cpp b/noncore/settings/aqpkg/networkpkgmgr.cpp
index 3971aea..02e4e73 100644
--- a/noncore/settings/aqpkg/networkpkgmgr.cpp
+++ b/noncore/settings/aqpkg/networkpkgmgr.cpp
@@ -1,93 +1,95 @@
 /***************************************************************************
                           networkpkgmgr.cpp  -  description
                              -------------------
     begin                : Mon Aug 26 13:32:30 BST 2002
     copyright            : (C) 2002 by Andy Qua
     email                : andy.qua@blueyonder.co.uk
  ***************************************************************************/
 
 /***************************************************************************
  *                                                                         *
  *   This program 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.                                   *
  *                                                                         *
  ***************************************************************************/
 
 #include <fstream>
 #include <iostream>
 using namespace std;
 
 #include <unistd.h>
 #include <stdlib.h>
 #include <linux/limits.h>
 
 #ifdef QWS
 #include <qpe/qpeapplication.h>
 #include <qpe/qcopenvelope_qws.h>
 #include <qpe/config.h>
 #else
 #include <qapplication.h>
 #endif
 #include <qlabel.h>
 #include <qfile.h>
 #include <qmessagebox.h>
 
 #include "datamgr.h"
 #include "networkpkgmgr.h"
 #include "installdlgimpl.h"
 #include "ipkg.h"
 #include "inputdlg.h"
 #include "letterpushbutton.h"
 
 #include "global.h"
 
+extern int compareVersions( const char *v1, const char *v2 );
+
 NetworkPackageManager::NetworkPackageManager( DataManager *dataManager, QWidget *parent, const char *name)
   : QWidget(parent, name)
 {
     dataMgr = dataManager;
 
 #ifdef QWS
         // read download directory from config file
         Config cfg( "aqpkg" );
         cfg.setGroup( "settings" );
         currentlySelectedServer = cfg.readEntry( "selectedServer", "local" );
         showJumpTo = cfg.readBoolEntry( "showJumpTo", "true" );
 #endif
     
 
     initGui();
     setupConnections();
 
     updateData();
 //    progressDlg = 0;
 //    timerId = startTimer( 100 );
 }
 
 NetworkPackageManager::~NetworkPackageManager()
 {
 }
 
 void NetworkPackageManager :: timerEvent ( QTimerEvent * )
 {
     killTimer( timerId );
 
 //    showProgressDialog();
     // Add server names to listbox
     updateData();
 
 //    progressDlg->hide();
 }
 
 void NetworkPackageManager :: updateData()
 {
         serversList->clear();
     packagesList->clear();
 
     
     vector<Server>::iterator it;
     int activeItem = -1;
     int i;
     for ( i = 0, it = dataMgr->getServerList().begin() ; it != dataMgr->getServerList().end() ; ++it, ++i )
     {
@@ -187,97 +189,100 @@ void NetworkPackageManager :: setupConnections()
     connect( upgrade, SIGNAL( released()), this, SLOT(upgradePackages()) );
     connect( update, SIGNAL(released()), this, SLOT(updateServer()) );
 }
 
 void NetworkPackageManager :: showProgressDialog( char *initialText )
 {
     if ( !progressDlg )
         progressDlg = new ProgressDlg( this, "Progress", false );
     progressDlg->setText( initialText );
     progressDlg->show();
 }
 
 
 void NetworkPackageManager :: serverSelected( int )
 {
     packagesList->clear();
 
     // display packages
     QString serverName = serversList->currentText();
     currentlySelectedServer = serverName;
 
 #ifdef QWS
         // read download directory from config file
         Config cfg( "aqpkg" );
         cfg.setGroup( "settings" );
         cfg.writeEntry( "selectedServer", currentlySelectedServer );
 #endif
 
     Server *s = dataMgr->getServer( serverName );
 //    dataMgr->setActiveServer( serverName );
 
     vector<Package> &list = s->getPackageList();
     vector<Package>::iterator it;
     for ( it = list.begin() ; it != list.end() ; ++it )
     {
         QString text = "";
 
                 // If the local server, only display installed packages
                 if ( serverName == LOCAL_SERVER && !it->isInstalled() )
                         continue;
 
         text += it->getPackageName();
         if ( it->isInstalled() )
         {
             text += " (installed)";
 
             // If a different version of package is available, postfix it with an *
             if ( it->getVersion() != it->getInstalledVersion() )
-                    text += "*";
+            {
+                if ( compareVersions( it->getInstalledVersion(), it->getVersion() ) == 1 )
+                    text += "*";
+            }
         }
 
         QCheckListItem *item = new QCheckListItem( packagesList, text, QCheckListItem::CheckBox );
 
         if ( it->isInstalled() )
         {
             QString destName = "";
             if ( it->getLocalPackage() )
             {
                 if ( it->getLocalPackage()->getInstalledTo() )
                     destName = it->getLocalPackage()->getInstalledTo()->getDestinationName();
             }
             else
             {
                 if ( it->getInstalledTo() )
                     destName = it->getInstalledTo()->getDestinationName();
             }
             if ( destName != "" )
                 new QCheckListItem( item, QString( "Installed To - " ) + destName );
         }
         
         if ( !it->isPackageStoredLocally() )
             new QCheckListItem( item, QString( "Description - " ) + it->getDescription() );
         else
             new QCheckListItem( item, QString( "Filename - " ) + it->getFilename() );
         
         new QCheckListItem( item, QString( "V. Available - " ) + it->getVersion() );
         if ( it->getLocalPackage() )
         {
                         if ( it->isInstalled() )
                     new QCheckListItem( item, QString( "V. Installed - " ) + it->getInstalledVersion() );
                 }
         packagesList->insertItem( item );
     }
 
     // If the local server or the local ipkgs server disable the download button
     if ( serverName == LOCAL_SERVER )
     {
         upgrade->setEnabled( false );
         download->setText( "Download" );
         download->setEnabled( false );
     }
     else if ( serverName == LOCAL_IPKGS )
     {
         upgrade->setEnabled( false );
         download->setEnabled( true );
         download->setText( "Remove" );
     }
@@ -488,123 +493,155 @@ void NetworkPackageManager :: applyChanges()
 // decide what to do - either remove, upgrade or install
 // Current rules:
 //    If not installed - install
 //    If installed and different version available - upgrade
 //    If installed and version up to date - remove
 InstallData NetworkPackageManager :: dealWithItem( QCheckListItem *item )
 {
     QString name = item->text();
     int pos = name.find( "*" );
     name.truncate( pos );
 
     // if (there is a (installed), remove it
     pos = name.find( "(installed)" );
     if ( pos > 0 )
         name.truncate( pos - 1 );
 
     // Get package
     Server *s = dataMgr->getServer( serversList->currentText() );
     Package *p = s->getPackage( name );
 
         // If the package has a filename then it is a local file
         if ( p->isPackageStoredLocally() )
                 name = p->getFilename();
     QString option;
     QString dest = "root";
     if ( !p->isInstalled() )
     {
         InstallData item;
         item.option = "I";
         item.packageName = name;
             return item;
     }
     else
     {
         InstallData item;
         item.option = "D";
         item.packageName = p->getInstalledPackageName();
         if ( p->getInstalledTo() )
         {
             item.destination = p->getInstalledTo();
             cout << "dest - " << p->getInstalledTo()->getDestinationName() << endl;
             cout << "dest - " << p->getInstalledTo()->getDestinationPath() << endl;
         }
         else
         {
             item.destination = p->getLocalPackage()->getInstalledTo();
         }
 
-        // Sticky option not implemented yet, but will eventually allow
-        // the user to say something like 'remove all'
-        if ( stickyOption == "" )
+        // Now see if version is newer or not
+        int val = compareVersions( p->getInstalledVersion(), p->getVersion() );
+        if ( val == -2 )
         {
-            QString msgtext;
-            msgtext.sprintf( "Do you wish to remove or reinstall\n%s?", (const char *)name );
-            switch( QMessageBox::information( this, "Remove or ReInstall",
-                                msgtext, "Remove", "ReInstall" ) )
-            {
-                case 0: // Try again or Enter
-                    item.option = "D";
-                    break;
-                case 1: // Quit or Escape
-                    item.option = "U";
-                    break;
-            }
+            // Error - should handle
+        }
+        else if ( val == -1 )
+        {
+            // Version available is older - remove only
+            item.option = "R";
         }
         else
         {
-//            item.option = stickyOption;
+            QString caption;
+            QString text;
+            QString secondButton;
+            QString secondOption;
+            if ( val == 0 )
+            {
+                // Version available is the same - option to remove or reinstall
+                caption = "Do you wish to remove or reinstall\n%s?";
+                text = "Remove or ReInstall";
+                secondButton = "ReInstall";
+                secondOption = "R";
+            }
+            else if ( val == 1 )
+            {
+                // Version available is newer - option to remove or upgrade
+                caption = "Do you wish to remove or upgrade\n%s?";
+                text = "Remove or Upgrade";
+                secondButton = "Upgrade";
+                secondOption = "U";
+            }
+
+            // Sticky option not implemented yet, but will eventually allow
+            // the user to say something like 'remove all'
+            if ( stickyOption == "" )
+            {
+                QString msgtext;
+                msgtext.sprintf( caption, (const char *)name );
+                switch( QMessageBox::information( this, text,
+                                    msgtext, "Remove", secondButton ) )
+                {
+                    case 0: // Try again or Enter
+                        item.option = "D";
+                        break;
+                    case 1: // Quit or Escape
+                        item.option = secondOption;
+                        break;
+                }
+            }
+            else
+            {
+//                item.option = stickyOption;
+            }
         }
+
         
         // Check if we are reinstalling the same version
-        if ( p->getVersion() != p->getInstalledVersion() )
+        if ( item.option != "R" )
            item.recreateLinks = true;
         else
-        {
-            if ( item.option == "U" )
-                item.option = "R";
            item.recreateLinks = false;
-        }
 
         // User hit cancel (on dlg - assume remove)
         return item;
     }
 }
 
 void NetworkPackageManager :: displayText( const QString &t )
 {
     cout << t << endl;
 }
 
 
 void NetworkPackageManager :: letterPushed( QString t )
 {
     QCheckListItem *top = (QCheckListItem *)packagesList->firstChild();
     QCheckListItem *start = (QCheckListItem *)packagesList->currentItem();
     if ( packagesList->firstChild() == 0 )
         return;
 
     QCheckListItem *item;
     if ( start == 0 )
     {
         item = (QCheckListItem *)packagesList->firstChild();
         start = top;
     }
     else
         item = (QCheckListItem *)start->nextSibling();
 
     if ( item == 0 )
         item = (QCheckListItem *)packagesList->firstChild();
     do
     {
         if ( item->text().lower().startsWith( t.lower() ) )
         {
             packagesList->setSelected( item, true );
             packagesList->ensureItemVisible( item );
             break;
                 }
 
         item = (QCheckListItem *)item->nextSibling();
         if ( !item )
             item = (QCheckListItem *)packagesList->firstChild();        
     } while ( item != start);
 }
diff --git a/noncore/settings/aqpkg/version.cpp b/noncore/settings/aqpkg/version.cpp
new file mode 100644
index 0000000..e836da1
--- a/dev/null
+++ b/noncore/settings/aqpkg/version.cpp
@@ -0,0 +1,214 @@
+/*
+ * libdpkg - Debian packaging suite library routines
+ * vercmp.c - comparison of version numbers
+ *
+ * Copyright (C) 1995 Ian Jackson <iwj10@cus.cam.ac.uk>
+ *
+ * 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,
+ * 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 dpkg; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <string.h>
+
+# define _(Text) Text
+
+class versionrevision
+{
+public:
+    versionrevision()
+    {
+        version = 0;
+    }
+
+    ~versionrevision()
+    {
+        if ( version )
+            delete version;
+    }
+
+    void setVersion( const char *str )
+    {
+        version = new char[(strlen(str)+1)];
+        strcpy( version, str );
+    }
+    
+  unsigned long epoch;
+  char *version;
+  const char *revision;
+  const char *familiar_revision;
+};  
+
+static int verrevcmp(const char *val, const char *ref) 
+{
+  int vc, rc;
+  long vl, rl;
+  const char *vp, *rp;
+
+  if (!val) val= "";
+  if (!ref) ref= "";
+  for (;;) {
+    vp= val;  while (*vp && !isdigit(*vp)) vp++;
+    rp= ref;  while (*rp && !isdigit(*rp)) rp++;
+    for (;;) {
+      vc= val == vp ? 0 : *val++;
+      rc= ref == rp ? 0 : *ref++;
+      if (!rc && !vc) break;
+      if (vc && !isalpha(vc)) vc += 256; /* assumes ASCII character set */
+      if (rc && !isalpha(rc)) rc += 256;
+      if (vc != rc) return vc - rc;
+    }
+    val= vp;
+    ref= rp;
+    vl=0;  if (isdigit(*vp)) vl= strtol(val,(char**)&val,10);
+    rl=0;  if (isdigit(*rp)) rl= strtol(ref,(char**)&ref,10);
+    if (vl != rl) return vl - rl;
+    if (!*val && !*ref) return 0;
+    if (!*val) return -1;
+    if (!*ref) return +1;
+  }
+}
+
+int versioncompare(const struct versionrevision *version,
+                   const struct versionrevision *refversion) 
+{
+  int r;
+
+  if (version->epoch > refversion->epoch) return 1;
+  if (version->epoch < refversion->epoch) return -1;
+  r= verrevcmp(version->version,refversion->version);  if (r) return r;
+  r= verrevcmp(version->revision,refversion->revision); if (r) return r;
+  return verrevcmp(version->familiar_revision,refversion->familiar_revision);
+}
+
+int versionsatisfied3(const struct versionrevision *it,
+                      const struct versionrevision *ref,
+                      const char *op) 
+{
+  int r;
+  r= versioncompare(it,ref);
+  if (strcmp(op, "<=") == 0 || strcmp(op, "<") == 0)
+    return r <= 0;
+  if (strcmp(op, ">=") == 0 || strcmp(op, ">") == 0)
+    return r >= 0;
+  if (strcmp(op, "<<") == 0)
+    return r < 0;
+  if (strcmp(op, ">>") == 0)
+    return r > 0;
+  if (strcmp(op, "=") == 0)
+    return r == 0;
+  fprintf(stderr, "unknown operator: %s", op);
+
+  exit(1);
+}
+
+const char *parseversion(struct versionrevision *rversion, const char *string) 
+{
+  char *hyphen, *colon, *eepochcolon;
+  unsigned long epoch;
+
+  if (!*string) return _("version string is empty");
+  
+  colon= strchr(string,':');
+  if (colon) {
+    epoch= strtoul(string,&eepochcolon,10);
+    if (colon != eepochcolon) return _("epoch in version is not number");
+    if (!*++colon) return _("nothing after colon in version number");
+    string= colon;
+    rversion->epoch= epoch;
+  } else {
+    rversion->epoch= 0;
+  }
+
+  rversion->revision = "";
+  rversion->familiar_revision = "";
+
+  rversion->setVersion( string );
+  hyphen= strrchr(rversion->version,'-');
+  if (hyphen) {
+    *hyphen++= 0;
+    if (strncmp("fam", hyphen, 3) == 0) {
+      rversion->familiar_revision=hyphen+3;
+      hyphen= strrchr(rversion->version,'-');
+      if (hyphen) {
+        *hyphen++= 0;
+        rversion->revision = hyphen;
+      }
+    } else {
+      rversion->revision = hyphen;
+    }
+  }
+/*
+  fprintf(stderr,"Parsed version: %lu, %s, %s, %s\n",
+          rversion->epoch,
+          rversion->version,
+          rversion->revision,
+          rversion->familiar_revision);
+*/  
+  return 0;
+}
+
+int compareVersions( const char *v1, const char *v2 )
+{
+  const char *err;
+  versionrevision ver, ref;
+
+  err = parseversion(&ref, v1);
+  if (err) {
+    fprintf(stderr, "Invalid version `%s': %s\n", v2, err);
+    return -2;
+  }
+
+  err = parseversion(&ver, v2);
+  if (err) {
+    fprintf(stderr, "Invalid version `%s': %s\n", v1, err);
+    return -2;
+  }
+
+  if ( versionsatisfied3( &ver, &ref, "=" ) )
+    return 0;
+  else if ( versionsatisfied3( &ver, &ref, "<" ) )
+    return -1;
+  else
+    return 1;
+}
+
+/*
+int main(int argc, char *argv[]) 
+{
+  const char *err;
+  versionrevision ver, ref;
+
+  if (argc < 4) {
+    fprintf(stderr, "usage: %s: version op refversion\n", argv[0]);
+    return 2;
+  }
+
+  err = parseversion(&ver, argv[1]);
+  if (err) {
+    fprintf(stderr, "Invalid version `%s': %s\n", argv[1], err);
+    return 2;
+  }
+    
+  err = parseversion(&ref, argv[3]);
+  if (err) {
+    fprintf(stderr, "Invalid version `%s': %s\n", argv[3], err);
+    return 2;
+  }
+
+  printf( "Result: %d\n", versionsatisfied3(&ver, &ref, argv[2]) );
+}
+
+*/