Do proper version string comparison and fix string alignment code in PromptDlg to eliminate QT warning messages

6 files changed, 103 insertions, 10 deletions

diff --git a/noncore/settings/packagemanager/ChangeLog b/noncore/settings/packagemanager/ChangeLog
index 6ad724f..d53a2b3 100644
--- a/noncore/settings/packagemanager/ChangeLog
+++ b/noncore/settings/packagemanager/ChangeLog
@@ -1,7 +1,10 @@
 2004-02-13 Dan Williams <drw@handhelds.org>
 
+    * Released version 0.3.0
     * Fix handling of filtering options in View menu
+    * Do proper version string comparison
+    * Fix string alignment code in PromptDlg to eliminate QT warning messages
 
 2004-02-12 Dan Williams <drw@handhelds.org>
 
     * Package information dialog implemented
diff --git a/noncore/settings/packagemanager/oipkg.cpp b/noncore/settings/packagemanager/oipkg.cpp
index eb07a61..086e91b 100644
--- a/noncore/settings/packagemanager/oipkg.cpp
+++ b/noncore/settings/packagemanager/oipkg.cpp
@@ -30,9 +30,8 @@
 */
 
 #include "oipkg.h"
 
-#include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 
 #include <qdir.h>
@@ -68,9 +67,8 @@ int fIpkgStatus( char */*name*/, int /*status*/, char *desc, void */*userdata*/
 
 int fIpkgFiles( char */*name*/, char *desc, char */*version*/, pkg_state_status_t /*status*/,
                 void */*userdata*/ )
 {
-printf( "*****List*****\n%s\n", desc );
     oipkg->ipkgList( desc );
     return 0;
 }
 
diff --git a/noncore/settings/packagemanager/opackagemanager.cpp b/noncore/settings/packagemanager/opackagemanager.cpp
index ad2fe02..3633e05 100644
--- a/noncore/settings/packagemanager/opackagemanager.cpp
+++ b/noncore/settings/packagemanager/opackagemanager.cpp
@@ -28,8 +28,10 @@
                              Boston, MA 02111-1307, USA.
 
 */
 
+#include <ctype.h>
+
 #include <qpe/qpeapplication.h>
 
 #include "opackagemanager.h"
 #include "oipkgconfigdlg.h"
@@ -292,17 +294,30 @@ OPackage *OPackageManager::findPackage( const QString &name )
 {
     return m_packages[ name ];
 }
 
-int OPackageManager::compareVersions( const QString &version1, const QString &version2 )
+int OPackageManager::compareVersions( const QString &ver1, const QString &ver2 )
 {
-    // TODO - do proper compare!
-    if ( version1 < version2 )
-        return -1;
-    else if ( version1 > version2 )
+    // TODO - should this be in OIpkg???
+
+    int epoch1, epoch2;
+    QString version1, revision1;
+    QString version2, revision2;
+
+    parseVersion( ver1, &epoch1, &version1, &revision1 );
+    parseVersion( ver2, &epoch2, &version2, &revision2 );
+
+    if ( epoch1 > epoch2 )
         return 1;
+    else if ( epoch1 < epoch2 )
+        return -1;
 
-    return 0;
+    int r = verrevcmp( version1.latin1(), version2.latin1() );
+    if (r)
+        return r;
+
+    r = verrevcmp( revision1.latin1(), revision2.latin1() );
+    return r;
 }
 
 bool OPackageManager::configureDlg( bool installOptions )
 {
@@ -320,4 +335,78 @@ bool OPackageManager::executeCommand( OPackage::Command command, QStringList *pa
                                       const char *slotOutput, bool rawOutput )
 {
     return m_ipkg.executeCommand( command, packages, destination, receiver, slotOutput, rawOutput );
 }
+
+void OPackageManager::parseVersion( const QString &verstr, int *epoch, QString *version,
+                                    QString *revision )
+{
+    *epoch = 0;
+    *revision = QString::null;
+
+    // Version string is in the format "ee:vv-rv", where ee=epoch, vv=version, rv=revision
+
+    // Get epoch
+    int colonpos = verstr.find( ':' );
+    if ( colonpos > -1 )
+    {
+        *epoch = verstr.left( colonpos ).toInt();
+    }
+
+    // Get version and revision
+    int hyphenpos = verstr.find( '-', colonpos + 1 );
+    int verlen = verstr.length();
+    if ( hyphenpos > -1 )
+    {
+        *version = verstr.mid( colonpos + 1, hyphenpos - colonpos - 1 );
+        *revision = verstr.right( verlen - hyphenpos - 1 );
+    }
+    else
+    {
+       *version = verstr.right( verlen - colonpos );
+    }
+}
+
+/*
+ * libdpkg - Debian packaging suite library routines
+ * vercmp.c - comparison of version numbers
+ *
+ * Copyright (C) 1995 Ian Jackson <iwj10@cus.cam.ac.uk>
+ */
+int OPackageManager::verrevcmp( const char *val, const char *ref )
+{
+     int vc, rc;
+     long vl, rl;
+     const char *vp, *rp;
+     const char *vsep, *rsep;
+
+     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;
+
+      vc = *val;
+      rc = *ref;
+      vsep = strchr(".-", vc);
+      rsep = strchr(".-", rc);
+      if (vsep && !rsep) return -1;
+      if (!vsep && rsep) return +1;
+
+      if (!*val && !*ref) return 0;
+      if (!*val) return -1;
+      if (!*ref) return +1;
+     }
+}
diff --git a/noncore/settings/packagemanager/opackagemanager.h b/noncore/settings/packagemanager/opackagemanager.h
index 871af0c..b710a51 100644
--- a/noncore/settings/packagemanager/opackagemanager.h
+++ b/noncore/settings/packagemanager/opackagemanager.h
@@ -79,8 +79,11 @@ private:
     OIpkg           m_ipkg;       // OIpkg object to retrieve package/configuration information
     QDict<OPackage> m_packages;   // Global list of available packages
     QStringList     m_categories; // List of all categories
 
+    void parseVersion( const QString &verstr, int *epoch, QString *version, QString *revision );
+    int verrevcmp( const char *val, const char *ref );
+
 signals:
     void initStatus( int numSteps );
     void statusText( const QString &status );
     void statusBar( int currStep );
diff --git a/noncore/settings/packagemanager/opie-packagemanager.control b/noncore/settings/packagemanager/opie-packagemanager.control
index 095e3be..5a3908e 100644
--- a/noncore/settings/packagemanager/opie-packagemanager.control
+++ b/noncore/settings/packagemanager/opie-packagemanager.control
@@ -6,5 +6,5 @@ Depends: task-opie-minimal
 Replaces: packagemanager
 Architecture: arm
 Maintainer: Dan Williams (drw@handhelds.org)
 Description: Opie package management client
-Version: 0.2.0
+Version: 0.3.0
diff --git a/noncore/settings/packagemanager/promptdlg.cpp b/noncore/settings/packagemanager/promptdlg.cpp
index 128e88e..4e82ba9 100644
--- a/noncore/settings/packagemanager/promptdlg.cpp
+++ b/noncore/settings/packagemanager/promptdlg.cpp
@@ -44,9 +44,9 @@ PromptDlg::PromptDlg( const QString &caption, const QString &text, const QString
     setCaption( caption );
 
     QGridLayout *layout = new QGridLayout( this, 2, 2, 4, 2 );
     QLabel *label = new QLabel( text, this );
-    label->setAlignment( AlignCenter | AlignTop | WordBreak );
+    label->setAlignment( AlignCenter | WordBreak );
     layout->addMultiCellWidget( label, 0, 0, 0, 1 );
 
     QPushButton *btn = new QPushButton( btn1, this );
     layout->addWidget( btn, 1, 0 );