Changeset 1699

Timestamp:

09/03/04 00:08:37 (20 years ago)

Author:

jalet

Message:

First draft of PCL3GUI analyzer.

Location:

pykota/trunk

Files:

• NEWS (modified) (1 diff)
• pykota/pdlanalyzer.py (modified) (5 diffs)
• pykota/version.py (modified) (1 diff)

pykota/trunk/NEWS

@@ -22 +22 @@
 PyKota NEWS :
 
+    - 1.20alpha7 :
+    
+        - First draft of PCL3GUI (Deskjet 640C for example) analyzer.
+          Needs more work, but no documentation is available.
+        
     - 1.20alpha6 :
       

pykota/trunk/pykota/pdlanalyzer.py

@@ -22 +22 @@
 #
 # $Log$
+# Revision 1.38  2004/09/02 22:08:37  jalet
+# First draft of PCL3GUI analyzer.
+#
 # Revision 1.37  2004/09/02 21:22:49  jalet
 # One more PCL tag
@@ -411 +414 @@
         return pagecount
         
+class PCL3GUIAnalyzer :
+    def __init__(self, infile) :
+        """Initialize PCL3GUI Analyzer."""
+        self.infile = infile
+        
+    def getJobSize(self) :     
+        """Count pages in a PCL3GUI document.
+         
+           Not much documentation available, so we will count occurences
+           of <ESC>*r1A which is start of graphical data.
+           
+           This is FAR from being accurate. PCL3 ressembles PCL5 in fact,
+           and PCL parser should be made better, but some documentation
+           definitely lacks.
+        """
+        data = self.infile.read()
+        pagecount = data.count("\033*r1A")
+        return pagecount
+        
 class PCLXLAnalyzer :
     def __init__(self, infile) :
@@ -740 +762 @@
             return 0
         
+    def isPCL3GUI(self, data) :    
+        """Returns 1 if data is PCL3GUI, else 0."""
+        if data.find("@PJL ENTER LANGUAGE=PCL3GUI") != -1 :
+            return 1
+        else :    
+            return 0
+        
     def isPCLXL(self, data) :    
         """Returns 1 if data is PCLXL aka PCL6, else 0."""
@@ -766 +795 @@
         # Try to detect file type by reading first block of datas    
         self.infile.seek(0)
-        firstblock = self.infile.read(KILOBYTE)
+        firstblock = self.infile.read(4 * KILOBYTE)
         self.infile.seek(0)
         if self.isPostScript(firstblock) :
@@ -774 +803 @@
         elif self.isPDF(firstblock) :    
             return PDFAnalyzer
+        elif self.isPCL3GUI(firstblock) :    
+            return PCL3GUIAnalyzer
         elif self.isPCL(firstblock) :    
             return PCLAnalyzer

pykota/trunk/pykota/version.py

@@ -22 +22 @@
 #
 
-__version__ = "1.20alpha6_unofficial"
+__version__ = "1.20alpha7_unofficial"
 
 __doc__ = """PyKota : a complete Printing Quota Solution for CUPS and LPRng."""