Converts some XML elements from Helix to Yum format. Would do it nicer

in a more oo way.

diff --git a/devel/devel.etoulas/helix.xml b/devel/devel.etoulas/helix.xml
index e4666d4..3e6136b 100644 (file)
--- a/devel/devel.etoulas/helix.xml
+++ b/devel/devel.etoulas/helix.xml
@@ -36,7 +36,7 @@
       <filename>foo.bar</filename>
       <filesize>123</filesize>
       <installedsize>234</installedsize>
-      <md5sum>0f55f36a3240858038a281911605024e</md5sum>
+      <md5sum>820f1595e3ee235d10c76bdc322dedc9ef4efaca</md5sum>
       <importance>suggested</importance>
       <description>Yggdrasil Linux</description>
     </update>
@@ -62,7 +62,7 @@
       <filename>foo.bar</filename>
       <filesize>123</filesize>
       <installedsize>234</installedsize>
-      <md5sum>0f55f36a3240858038a281911605024e</md5sum>
+      <md5sum>19bec77adb2239f7119a8344b370b5394f0a612b</md5sum>
       <importance>suggested</importance>
       <description>Yggdrasil Linux</description>
     </update>
@@ -91,7 +91,7 @@
       <filename>foo.bar</filename>
       <filesize>123</filesize>
       <installedsize>234</installedsize>
-      <md5sum>0f55f36a3240858038a281911605024e</md5sum>
+      <md5sum>06cd8090cd152b040d60d1273cba96a17d6a9ecc</md5sum>
       <importance>suggested</importance>
       <description>Yggdrasil Linux</description>
     </update>
@@ -114,7 +114,7 @@
       <filename>foo.bar</filename>
       <filesize>123</filesize>
       <installedsize>234</installedsize>
-      <md5sum>0f55f36a3240858038a281911605024e</md5sum>
+      <md5sum>4068e284e3ef4f7722c221c2c205e822ab0e4d5a</md5sum>
       <importance>suggested</importance>
       <description>Yggdrasil Linux</description>
     </update>
@@ -138,7 +138,7 @@
       <filename>foo.bar</filename>
       <filesize>123</filesize>
       <installedsize>234</installedsize>
-      <md5sum>0f55f36a3240858038a281911605024e</md5sum>
+      <md5sum>b97216c5d6cdbba41cb51036fce3030967209fea</md5sum>
       <importance>suggested</importance>
       <description>Yggdrasil Linux</description>
     </update>

diff --git a/devel/devel.etoulas/helix2yum.rb b/devel/devel.etoulas/helix2yum.rb
index ec531ac..7131090 100755 (executable)
--- a/devel/devel.etoulas/helix2yum.rb
+++ b/devel/devel.etoulas/helix2yum.rb
@@ -3,7 +3,7 @@
 require 'rexml/document'
 include REXML
 
-FILENAME = 'test.xml'
+FILENAME = 'helix.xml'
 OUTFILE = 'foobar.xml'
 
 if !File.exists?( FILENAME )
@@ -13,23 +13,78 @@ elsif !File.readable?( FILENAME )
   puts 'File not readable.'
   exit 1
 elsif File.zero?( FILENAME )
-  puts 'Nothing to do'
+  puts 'Nothing to do.'
   exit 0
 end
 
 # puts "Opening file #{FILENAME} (#{FILENAME.size} bytes)"
-printf( "Opening file %s (%d bytes)\n", FILENAME, FILENAME.size )
-file = File.open( FILENAME )
+printf( "-- Opening file %s (%d bytes) --\n", FILENAME, FILENAME.size )
+infile = File.open( FILENAME )
 
 ### use file to instanciate an XML-Object
-doc = Document.new file
+input = Document.new infile
+
+output = Document.new
+pkg_name = Array.new
+md5sum = Array.new
+epoch = Array.new
+version = Array.new
+release = Array.new
+
+
+XPath.each( input, '//name' ) { |elem| pkg_name.push elem.text }
+XPath.each( input, '//md5sum' ) { |elem| md5sum.push elem.text }
+XPath.each( input, '//epoch' ) { |elem| epoch.push elem.text }
+XPath.each( input, '//version' ) { |elem| version.push elem.text }
+XPath.each( input, '//release' ) { |elem| release.push elem.text }
+
+pkg_name.reverse!
+md5sum.reverse!
+epoch.reverse!
+version.reverse!
+release.reverse!
+
+output << XMLDecl.new
+output << Element.new( 'metadata' )
+output.root.add_attribute( 'xmlns', 'http://linux.duke.edu/metadata/common' )
+output.root.add_attribute( 'xmlns:rpm', 'http://linux.duke.edu/metadata/rpm' )
+output.root.add_attribute( 'packages', pkg_name.length )
+
+
+while !pkg_name.empty?
+  pkg = Element.new( 'package' )
+  pkg.add_attribute( 'type', 'rpm' )
+  name = Element.new( 'name' ).add_text pkg_name.pop
+  arch = Element.new( 'arch' ).add_text 'i386'
+  ver = Element.new( 'version' )
+  ver.add_attribute( 'epoch', epoch.pop )
+  ver.add_attribute( 'ver', version.pop )
+  ver.add_attribute( 'rel', release.pop )
+  csum = Element.new( 'checksum' ).add_text md5sum.pop
+  csum.add_attribute( 'pkgid', 'YES' )
+  csum.add_attribute( 'type', 'md5sum' )   # maybe it should be sha?
+
+  pkg << name
+  pkg << arch
+  pkg << ver
+  pkg << csum
+
+  output.root << pkg
+end
+
+output.write( $stdout, 0 )
+puts " "
+
+infile.close
+
+### provides
+#input.elements.each("*/*/package") { |elem| puts elem.elements["provides"] }
 
 ### Finds and returns the first node that matches the supplied xpath
 # puts XPath.first( doc, '//name' )
 
 ### Iterates over nodes that match the given path, calling the supplied block with the match.
-a = XPath.each( doc, '//name' ) { |elem| puts elem.text }
-printf( "elements matching: %d\n", a.length )
+#a = XPath.each( input, '//name' ) { |elem| puts elem.text }
 
 ### Returns an array of nodes matching a given XPath
 #a = XPath.match( doc, '//name' )
@@ -41,19 +96,18 @@ printf( "elements matching: %d\n", a.length )
 
 #===============================================================================
 
-file2 = File.new( OUTFILE, 'w+' )
-doc2 = Document.new
-
-elem = Element.new "foo"
-
-elem2 = elem.add_element "bar", { "attrib"=>"2" }
-elem2.text = "this is my text"
-
-elem2 = elem.add_element "hola"
-elem2.text = "amigo"
-
-doc2.add_element elem
-doc2.write( file2, 0 )
-
-file.close
-file2.close
+# file2 = File.new( OUTFILE, 'w+' )
+# doc2 = Document.new
+# 
+# elem = Element.new "foo"
+# 
+# elem2 = elem.add_element "bar", { "attrib"=>"2" }
+# elem2.text = "this is my text"
+# 
+# elem2 = elem.add_element "hola"
+# elem2.text = "amigo"
+# 
+# doc2.add_element elem
+# doc2.write( file2, 0 )
+# 
+# file2.close