Initial Import

git-svn-id: https://ledger-smb.svn.sourceforge.net/svnroot/ledger-smb/ledger-smb@1 4979c152-3d1c-0410-bac9-87ea11338e46

1 files changed, 149 insertions, 0 deletions

diff --git a/LedgerSMB/Num2text.pm b/LedgerSMB/Num2text.pm
new file mode 100755
index 00000000..d8ecdef3
--- /dev/null
+++ b/LedgerSMB/Num2text.pm
@@ -0,0 +1,149 @@
+#=====================================================================
+# LedgerSMB 
+# Small Medium Business Accounting software
+# 
+# See COPYRIGHT file for copyright information
+#======================================================================
+#
+# This file has NOT undergone whitespace cleanup.
+#
+#======================================================================
+#
+# this is the default code for the Check package
+#
+#=====================================================================
+
+
+sub init {
+  my $self = shift;
+
+  %{ $self->{numbername} } =
+                   (0 => 'Zero',
+                    1 => 'One',
+                    2 => 'Two',
+	            3 => 'Three',
+		    4 => 'Four',
+		    5 => 'Five',
+		    6 => 'Six',
+		    7 => 'Seven',
+		    8 => 'Eight',
+		    9 => 'Nine',
+		   10 => 'Ten',
+		   11 => 'Eleven',
+		   12 => 'Twelve',
+		   13 => 'Thirteen',
+		   14 => 'Fourteen',
+		   15 => 'Fifteen',
+		   16 => 'Sixteen',
+		   17 => 'Seventeen',
+		   18 => 'Eighteen',
+		   19 => 'Nineteen',
+		   20 => 'Twenty',
+		   30 => 'Thirty',
+		   40 => 'Forty',
+		   50 => 'Fifty',
+		   60 => 'Sixty',
+		   70 => 'Seventy',
+		   80 => 'Eighty',
+		   90 => 'Ninety',
+                10**2 => 'Hundred',
+                10**3 => 'Thousand',
+		10**6 => 'Million',
+		10**9 => 'Billion',
+	       10**12 => 'Trillion',
+		);
+
+}
+
+
+sub num2text {
+  my ($self, $amount) = @_;
+
+  return $self->{numbername}{0} unless $amount;
+
+  my @textnumber = ();
+
+  # split amount into chunks of 3
+  my @num = reverse split //, abs($amount);
+  my @numblock = ();
+  my @a;
+  my $i;
+
+  while (@num) {
+    @a = ();
+    for (1 .. 3) {
+      push @a, shift @num;
+    }
+    push @numblock, join / /, reverse @a;
+  }
+    
+  while (@numblock) {
+
+    $i = $#numblock;
+    @num = split //, $numblock[$i];
+    
+    if ($numblock[$i] == 0) {
+      pop @numblock;
+      next;
+    }
+   
+    if ($numblock[$i] > 99) {
+      # the one from hundreds
+      push @textnumber, $self->{numbername}{$num[0]};
+     
+      # add hundred designation
+      push @textnumber, $self->{numbername}{10**2};
+
+      # reduce numblock
+      $numblock[$i] -= $num[0] * 100;
+      
+    }
+    
+    $numblock[$i] *= 1;
+    
+    if ($numblock[$i] > 9) {
+      # tens
+      push @textnumber, $self->format_ten($numblock[$i]);
+    } elsif ($numblock[$i] > 0) {
+      # ones
+      push @textnumber, $self->{numbername}{$numblock[$i]};
+    }
+    
+    # add thousand, million
+    if ($i) {
+      $num = 10**($i * 3);
+      push @textnumber, $self->{numbername}{$num};
+    }
+      
+    pop @numblock;
+    
+  }
+
+  join ' ', @textnumber;
+
+}
+
+
+sub format_ten {
+  my ($self, $amount) = @_;
+  
+  my $textnumber = "";
+  my @num = split //, $amount;
+
+  if ($amount > 20) {
+    $textnumber = $self->{numbername}{$num[0]*10};
+    $amount = $num[1];
+  } else {
+    $textnumber = $self->{numbername}{$amount};
+    $amount = 0;
+  }
+
+  $textnumber .= " ".$self->{numbername}{$amount} if $amount;
+
+  $textnumber;
+  
+}
+
+
+1;
+