[jira] Created: (PDFBOX-592) please accommodate '-' where a number is expected

["Godmar Back (JIRA)" <ji...@apache.org>]

please accommodate '-' where a number is expected
-------------------------------------------------

                 Key: PDFBOX-592
                 URL: https://issues.apache.org/jira/browse/PDFBOX-592
             Project: PDFBox
          Issue Type: Improvement
          Components: Parsing
    Affects Versions: 0.8.0-incubator
            Reporter: Godmar Back


PDF's created by ScanSoft's PDF driver have '-' where a number is needed, as in 1 0 0 1 - 783 Tm. See http://markmail.org/message/r63jfd5wybejzbkr for details.

Proposal: interpret - as 0.  Patch:

--- /tmp/x/pdfbox-0.8.0-incubating/src/main/java/org/apache/pdfbox/pdfparser/PDFStreamParser.java       2009-09-14 19:39:44.000000000 -0400
+++ src/main/java/org/apache/pdfbox/pdfparser/PDFStreamParser.java      2010-01-07 00:14:45.000000000 -0500
@@ -252,7 +252,12 @@
                         dotNotRead = false;
                     }
                 }
-                retval = COSNumber.get( buf.toString() );
+                String number = buf.toString();
+                /* accommodate PDF files (such as ScanSoft-created ones that output '-' 
+                 * where a number is expected.  Substitute a 0 */ 
+                if ("-".equals(number))
+                    number = "0";
+                retval = COSNumber.get( number );
                 break;
             }
             case 'B':


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