Changeset 220 for pkpgcounter/trunk/pdlanalyzer/pclxl.py

Timestamp:

07/02/05 15:41:30 (19 years ago)

Author:

jerome

Message:

Big improvements on readability + maintainability

Files:

• pkpgcounter/trunk/pdlanalyzer/pclxl.py (modified) (3 diffs)

pkpgcounter/trunk/pdlanalyzer/pclxl.py

@@ -29 +29 @@
 from pdlanalyzer import pdlparser
 
-class PCLXLParser(pdlparser.PDLParser) :
+class Parser(pdlparser.PDLParser) :
     """A parser for PCLXL (aka PCL6) documents."""
     mediasizes = { 
@@ -70 +70 @@
                    }
             
+    def isValid(self) :    
+        """Returns 1 if data is PCLXL aka PCL6, else 0."""
+        if ((self.firstblock[:128].find("\033%-12345X") != -1) and \
+             (self.firstblock.find(" HP-PCL XL;") != -1) and \
+             ((self.firstblock.find("LANGUAGE=PCLXL") != -1) or \
+              (self.firstblock.find("LANGUAGE = PCLXL") != -1))) :
+            if self.debug :  
+                sys.stderr.write("DEBUG: Input file is in the PCLXL (aka PCL6) format.\n")
+            return 1
+        else :    
+            return 0
+            
     def beginPage(self) :
         """Indicates the beginning of a new page, and extracts media information."""
@@ -371 +383 @@
             mustclose = 1
         try :
-            parser = PCLXLParser(infile, debug=1)
+            parser = Parser(infile, debug=1)
             totalsize += parser.getJobSize()
         except pdlparser.PDLParserError, msg :