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pclxl.py @ 417

Revision 417, 28.3 kB (checked in by jerome, 18 years ago)
Fixed a problem in the skipping of Kyocera Prescribe commands.
Property svn:eol-style set to `native` Property svn:keywords set to `Auth Date Id Rev`

Rev	Line
[193]	1	#! /usr/bin/env python
	2	# -- coding: ISO-8859-15 --
[191]	3	#
	4	# pkpgcounter : a generic Page Description Language parser
	5	#
[302]	6	# (c) 2003, 2004, 2005, 2006 Jerome Alet <alet@librelogiciel.com>
[191]	7	# This program is free software; you can redistribute it and/or modify
	8	# it under the terms of the GNU General Public License as published by
	9	# the Free Software Foundation; either version 2 of the License, or
	10	# (at your option) any later version.
	11	#
	12	# This program is distributed in the hope that it will be useful,
	13	# but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	# GNU General Public License for more details.
	16	#
	17	# You should have received a copy of the GNU General Public License
	18	# along with this program; if not, write to the Free Software
[211]	19	# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
[191]	20	#
	21	# $Id$
	22	#
[193]	23
[357]	24	"""This modules implements a page counter for PCLXL (aka PCL6) documents."""
	25
[193]	26	import sys
[202]	27	import os
[193]	28	import mmap
	29	from struct import unpack
	30
[235]	31	import pdlparser
[252]	32	import pjl
[193]	33
[220]	34	class Parser(pdlparser.PDLParser) :
[193]	35	"""A parser for PCLXL (aka PCL6) documents."""
[375]	36	totiffcommand = 'pcl6 -sDEVICE=pdfwrite -dPARANOIDSAFER -dNOPAUSE -dBATCH -dQUIET -sOutputFile=- - \| gs -sDEVICE=tiff24nc -dPARANOIDSAFER -dNOPAUSE -dBATCH -dQUIET -r%(dpi)i -sOutputFile="%(fname)s" -'
[193]	37	mediasizes = {
	38	0 : "Letter",
	39	1 : "Legal",
	40	2 : "A4",
	41	3 : "Executive",
	42	4 : "Ledger",
	43	5 : "A3",
	44	6 : "COM10Envelope",
	45	7 : "MonarchEnvelope",
	46	8 : "C5Envelope",
	47	9 : "DLEnvelope",
	48	10 : "JB4",
	49	11 : "JB5",
	50	12 : "B5Envelope",
[246]	51	12 : "B5",
[193]	52	14 : "JPostcard",
	53	15 : "JDoublePostcard",
	54	16 : "A5",
	55	17 : "A6",
	56	18 : "JB6",
[246]	57	19 : "JIS8K",
	58	20 : "JIS16K",
	59	21 : "JISExec",
	60	96 : "Default",
[193]	61	}
	62
	63	mediasources = {
	64	0 : "Default",
	65	1 : "Auto",
	66	2 : "Manual",
	67	3 : "MultiPurpose",
	68	4 : "UpperCassette",
	69	5 : "LowerCassette",
	70	6 : "EnvelopeTray",
	71	7 : "ThirdCassette",
	72	}
	73
	74	orientations = {
	75	0 : "Portrait",
	76	1 : "Landscape",
	77	2 : "ReversePortrait",
	78	3 : "ReverseLandscape",
[246]	79	4 : "Default",
[193]	80	}
	81
[220]	82	def isValid(self) :
[387]	83	"""Returns True if data is PCLXL aka PCL6, else False."""
[220]	84	if ((self.firstblock[:128].find("\033%-12345X") != -1) and \
	85	(self.firstblock.find(" HP-PCL XL;") != -1) and \
	86	((self.firstblock.find("LANGUAGE=PCLXL") != -1) or \
	87	(self.firstblock.find("LANGUAGE = PCLXL") != -1))) :
[252]	88	self.logdebug("DEBUG: Input file is in the PCLXL (aka PCL6) format.")
[387]	89	return True
[220]	90	else :
[387]	91	return False
[220]	92
[318]	93	def beginPage(self, nextpos) :
[193]	94	"""Indicates the beginning of a new page, and extracts media information."""
	95	self.pagecount += 1
	96
	97	# Default values
	98	mediatypelabel = "Plain"
	99	mediasourcelabel = "Main"
	100	mediasizelabel = "Default"
	101	orientationlabel = "Portrait"
[299]	102	duplexmode = None
[193]	103
	104	# Now go upstream to decode media type, size, source, and orientation
	105	# this saves time because we don't need a complete parser !
	106	minfile = self.minfile
[318]	107	pos = nextpos - 2
[193]	108	while pos > 0 : # safety check : don't go back to far !
	109	val = ord(minfile[pos])
	110	if val in (0x44, 0x48, 0x41) : # if previous endPage or openDataSource or beginSession (first page)
	111	break
	112	if val == 0x26 :
	113	mediasource = ord(minfile[pos - 2])
	114	mediasourcelabel = self.mediasources.get(mediasource, str(mediasource))
[302]	115	pos -= 4
[193]	116	elif val == 0x25 :
[302]	117	while (pos > 0) and (ord(minfile[pos]) != 0xc0) :
	118	# we search the preceding ubyte tag
	119	pos -= 1
	120	if pos > 0 :
	121	if ord(minfile[pos-1]) == 0xc8 :
	122	# if we found an ubyte_array then the media
	123	# size is completely spelled
	124	arraylength = ord(minfile[pos+1])
	125	mediasizelabel = minfile[pos+2:pos+2+arraylength].title()
	126	pos -= 1
	127	else :
	128	# if we just found an ubyte, then the media
	129	# size is known by its index
	130	mediasize = ord(minfile[pos+1])
	131	mediasizelabel = self.mediasizes.get(mediasize, str(mediasize))
	132	pos -= 1
[310]	133	# self.logdebug("Media size : %s" % mediasizelabel)
[193]	134	elif val == 0x28 :
	135	orientation = ord(minfile[pos - 2])
[252]	136	orientationlabel = self.orientations.get(orientation, str(orientation))
[302]	137	pos -= 4
[193]	138	elif val == 0x27 :
	139	savepos = pos
[302]	140	pos -= 1
[293]	141	startpos = size = None
[193]	142	while pos > 0 : # safety check : don't go back to far !
	143	val = ord(minfile[pos])
	144	pos -= 1
	145	if val == 0xc8 :
[293]	146	length = self.tags[ord(minfile[pos+2])] # will probably always be a byte or uint16
	147	if length == 1 :
	148	startpos = pos + 4
	149	size = unpack("B", self.minfile[pos+3:startpos])[0]
	150	elif length == 2 :
	151	startpos = pos + 5
[316]	152	size = unpack(self.unpackShort, self.minfile[pos+3:startpos])[0]
[293]	153	elif length == 4 :
	154	startpos = pos + 7
[316]	155	size = unpack(self.unpackLong, self.minfile[pos+3:startpos])[0]
[293]	156	else :
[301]	157	raise pdlparser.PDLParserError, "Error on size at %s : %s" % (pos+2, length)
[193]	158	break
[293]	159	mediatypelabel = minfile[startpos:startpos+size]
[310]	160	# self.logdebug("Media type : %s" % mediatypelabel)
[299]	161	elif val == 0x34 :
	162	duplexmode = "Simplex"
[302]	163	pos -= 2
[299]	164	elif val in (0x35, 0x36) :
	165	duplexmode = "Duplex"
[302]	166	pos -= 2
[193]	167	# else : TODO : CUSTOM MEDIA SIZE AND UNIT !
	168	else :
[302]	169	pos -= 1 # ignored
[193]	170	self.pages[self.pagecount] = { "copies" : 1,
	171	"orientation" : orientationlabel,
	172	"mediatype" : mediatypelabel,
	173	"mediasize" : mediasizelabel,
	174	"mediasource" : mediasourcelabel,
[299]	175	"duplex" : duplexmode,
[193]	176	}
	177	return 0
	178
[318]	179	def endPage(self, nextpos) :
[193]	180	"""Indicates the end of a page."""
[318]	181	pos3 = nextpos - 3
[193]	182	minfile = self.minfile
[318]	183	if minfile[pos3:nextpos-1] == self.setNumberOfCopies :
[193]	184	# The EndPage operator may be preceded by a PageCopies attribute
	185	# So set number of copies for current page.
	186	# From what I read in PCLXL documentation, the number
	187	# of copies is an unsigned 16 bits integer
[258]	188	try :
[317]	189	self.pages[self.pagecount]["copies"] = unpack(self.unpackShort, minfile[pos3-2:pos3])[0]
[258]	190	except KeyError :
	191	self.logdebug("It looks like this PCLXL file is corrupted.")
[193]	192	return 0
	193
[318]	194	def setColorSpace(self, nextpos) :
[205]	195	"""Changes the color space."""
[318]	196	if self.minfile[nextpos-4:nextpos-1] == self.RGBColorSpace : # TODO : doesn't seem to handle all cases !
[206]	197	self.iscolor = 1
[205]	198	return 0
	199
[318]	200	def array_Generic(self, nextpos, size) :
[317]	201	"""Handles all arrays."""
[318]	202	pos = nextpos
[317]	203	datatype = ord(self.minfile[pos])
[193]	204	pos += 1
[317]	205	length = self.tags[datatype]
[193]	206	if callable(length) :
[316]	207	length = length(pos)
[318]	208	try :
	209	return 1 + length + size * unpack(self.unpackType[length], self.minfile[pos:pos+length])[0]
	210	except KeyError :
	211	raise pdlparser.PDLParserError, "Error on array size at %x" % nextpos
[317]	212
[318]	213	def array_8(self, nextpos) :
[317]	214	"""Handles byte arrays."""
[318]	215	return self.array_Generic(nextpos, 1)
[193]	216
[318]	217	def array_16(self, nextpos) :
[193]	218	"""Handles byte arrays."""
[318]	219	return self.array_Generic(nextpos, 2)
[193]	220
[318]	221	def array_32(self, nextpos) :
[193]	222	"""Handles byte arrays."""
[318]	223	return self.array_Generic(nextpos, 4)
[193]	224
[318]	225	def embeddedDataSmall(self, nextpos) :
[193]	226	"""Handle small amounts of data."""
[318]	227	return 1 + ord(self.minfile[nextpos])
[193]	228
[318]	229	def embeddedData(self, nextpos) :
[193]	230	"""Handle normal amounts of data."""
[318]	231	return 4 + unpack(self.unpackLong, self.minfile[nextpos:nextpos+4])[0]
[193]	232
[318]	233	def littleEndian(self, nextpos) :
[193]	234	"""Toggles to little endianness."""
[318]	235	self.unpackType = { 1 : "B", 2 : "<H", 4 : "<I" }
	236	self.unpackShort = self.unpackType[2]
	237	self.unpackLong = self.unpackType[4]
[193]	238	return 0
	239
[318]	240	def bigEndian(self, nextpos) :
[193]	241	"""Toggles to big endianness."""
[318]	242	self.unpackType = { 1 : "B", 2 : ">H", 4 : ">I" }
	243	self.unpackShort = self.unpackType[2]
	244	self.unpackLong = self.unpackType[4]
[193]	245	return 0
	246
[318]	247	def reservedForFutureUse(self, nextpos) :
[245]	248	"""Outputs something when a reserved byte is encountered."""
[318]	249	self.logdebug("Byte at %x is out of the PCLXL Protocol Class 2.0 Specification" % nextpos)
[245]	250	return 0
	251
[318]	252	def x46_class3(self, nextpos) :
[310]	253	"""Undocumented tag 0x46 in class 3.0 streams."""
[318]	254	pos = nextpos - 3
[309]	255	minfile = self.minfile
[318]	256	val = ord(minfile[pos])
	257	while val == 0xf8 :
	258	funcid = ord(minfile[pos+1])
	259	try :
	260	offset = self.x46_functions[funcid]
	261	except KeyError :
	262	self.logdebug("Unexpected subfunction 0x%02x for undocumented tag 0x46 at %x" % (funcid, nextpos))
	263	break
	264	else :
[320]	265	pos -= offset
	266	length = self.tags[ord(self.minfile[pos])]
[318]	267	if callable(length) :
[320]	268	length = length(pos+1)
	269	if funcid == 0x92 : # we want to skip these blocks
[318]	270	try :
	271	return unpack(self.unpackType[length], self.minfile[pos+1:pos+length+1])[0]
	272	except KeyError :
	273	raise pdlparser.PDLParserError, "Error on size '%s' at %x" % (length, pos+1)
[309]	274	val = ord(minfile[pos])
	275	return 0
	276
[318]	277	def escape(self, nextpos) :
[245]	278	"""Handles the ESC code."""
[318]	279	pos = endpos = nextpos
[314]	280	minfile = self.minfile
	281	if minfile[pos : pos+8] == r"%-12345X" :
[245]	282	endpos = pos + 9
[252]	283	endmark = chr(0x0c) + chr(0x00) + chr(0x1b)
[246]	284	asciilimit = chr(0x80)
[269]	285	quotes = 0
[314]	286	while (minfile[endpos] not in endmark) and \
	287	((minfile[endpos] < asciilimit) or (quotes % 2)) :
	288	if minfile[endpos] == '"' :
[269]	289	quotes += 1
[245]	290	endpos += 1
	291
	292	# Store this in a per page mapping.
	293	# NB : First time will be at page 0 (i.e. before page 1) !
	294	stuff = self.escapedStuff.setdefault(self.pagecount, [])
[314]	295	stuff.append(minfile[pos : endpos])
	296	self.logdebug("Escaped datas : [%s]" % repr(minfile[pos : endpos]))
[245]	297	return endpos - pos
	298
[318]	299	def skipKyoceraPrescribe(self, nextpos) :
[312]	300	"""Skips Kyocera Prescribe commands."""
[318]	301	pos = nextpos - 1
[312]	302	minfile = self.minfile
	303	if minfile[pos:pos+3] == "!R!" :
[318]	304	while (pos - nextpos) < 1024 : # This is a realistic upper bound, to avoid infinite loops
[312]	305	if (minfile[pos] == ";") and (minfile[pos-4:pos] == "EXIT") :
[314]	306	pos += 1
	307	prescribe = self.prescribeStuff.setdefault(self.pagecount, [])
[318]	308	prescribe.append(minfile[nextpos-1:pos])
	309	self.logdebug("Prescribe commands : [%s]" % repr(minfile[nextpos-1:pos]))
[417]	310	break
[312]	311	pos += 1
[417]	312	return (pos - nextpos)
[312]	313	else :
	314	return 0
	315
[193]	316	def getJobSize(self) :
	317	"""Counts pages in a PCLXL (PCL6) document.
	318
	319	Algorithm by Jerome Alet.
	320
	321	The documentation used for this was :
	322
	323	HP PCL XL Feature Reference
	324	Protocol Class 2.0
	325	http://www.hpdevelopersolutions.com/downloads/64/358/xl_ref20r22.pdf
[246]	326
	327	Protocol Class 2.1 Supplement
	328	xl_ref21.pdf
	329
	330	Protocol Class 3.0 Supplement
	331	xl_refsup30r089.pdf
[193]	332	"""
[206]	333	self.iscolor = None
[193]	334	found = 0
	335	while not found :
	336	line = self.infile.readline()
	337	if not line :
	338	break
[293]	339	pos = line.find(" HP-PCL XL;")
	340	if pos != -1 :
[193]	341	found = 1
[293]	342	endian = ord(line[pos - 1])
[193]	343	if endian == 0x29 :
[316]	344	self.littleEndian(0)
[193]	345	elif endian == 0x28 :
[316]	346	self.bigEndian(0)
[193]	347	# elif endian == 0x27 : # TODO : This is the ESC code : parse it for PJL statements !
	348	#
	349	else :
[200]	350	raise pdlparser.PDLParserError, "Unknown endianness marker 0x%02x at start !" % endian
[193]	351	if not found :
[200]	352	raise pdlparser.PDLParserError, "This file doesn't seem to be PCLXL (aka PCL6)"
[193]	353
[246]	354	# Initialize Media Sources
	355	for i in range(8, 256) :
	356	self.mediasources[i] = "ExternalTray%03i" % (i - 7)
	357
[193]	358	# Initialize table of tags
	359	self.tags = [ 0 ] * 256
	360
[245]	361	self.tags[0x1b] = self.escape # The escape code
	362
[352]	363	self.tags[0x21] = self.skipKyoceraPrescribe # 0x21 is not normally used
[312]	364
[193]	365	# GhostScript's sources tell us that HP printers
	366	# only accept little endianness, but we can handle both.
	367	self.tags[0x28] = self.bigEndian # BigEndian
	368	self.tags[0x29] = self.littleEndian # LittleEndian
	369
	370	self.tags[0x43] = self.beginPage # BeginPage
	371	self.tags[0x44] = self.endPage # EndPage
[245]	372	self.tags[0x45] = self.reservedForFutureUse # reserved
[313]	373
[309]	374	self.tags[0x46] = self.x46_class3
[193]	375
[245]	376	self.tags[0x4a] = self.reservedForFutureUse # reserved
	377	self.tags[0x4b] = self.reservedForFutureUse # reserved
	378	self.tags[0x4c] = self.reservedForFutureUse # reserved
	379	self.tags[0x4d] = self.reservedForFutureUse # reserved
	380	self.tags[0x4e] = self.reservedForFutureUse # reserved
	381
	382	self.tags[0x56] = self.reservedForFutureUse # TODO : documentation not clear about reserved status
	383
	384	self.tags[0x57] = self.reservedForFutureUse # reserved
[313]	385
[245]	386	self.tags[0x59] = self.reservedForFutureUse # reserved
	387	self.tags[0x5a] = self.reservedForFutureUse # reserved
	388
[206]	389	self.tags[0x6a] = self.setColorSpace # to detect color/b&w mode
[205]	390
[245]	391	self.tags[0x87] = self.reservedForFutureUse # reserved
	392	self.tags[0x88] = self.reservedForFutureUse # reserved
	393	self.tags[0x89] = self.reservedForFutureUse # reserved
	394	self.tags[0x8a] = self.reservedForFutureUse # reserved
[313]	395
[245]	396	self.tags[0x8b] = self.reservedForFutureUse # reserved
[313]	397
[245]	398	self.tags[0x8c] = self.reservedForFutureUse # reserved
	399	self.tags[0x8d] = self.reservedForFutureUse # reserved
	400	self.tags[0x8e] = self.reservedForFutureUse # reserved
	401	self.tags[0x8f] = self.reservedForFutureUse # reserved
	402	self.tags[0x90] = self.reservedForFutureUse # reserved
	403
	404	self.tags[0x9a] = self.reservedForFutureUse # reserved
	405	self.tags[0x9c] = self.reservedForFutureUse # reserved
	406
	407	self.tags[0xa4] = self.reservedForFutureUse # reserved
	408	self.tags[0xa5] = self.reservedForFutureUse # reserved
	409	self.tags[0xa6] = self.reservedForFutureUse # reserved
	410	self.tags[0xa7] = self.reservedForFutureUse # reserved
	411
	412	self.tags[0xaa] = self.reservedForFutureUse # reserved
	413	self.tags[0xab] = self.reservedForFutureUse # reserved
	414	self.tags[0xac] = self.reservedForFutureUse # reserved
	415	self.tags[0xad] = self.reservedForFutureUse # reserved
	416	self.tags[0xae] = self.reservedForFutureUse # reserved
	417	self.tags[0xaf] = self.reservedForFutureUse # reserved
	418
	419	self.tags[0xb7] = self.reservedForFutureUse # reserved
	420
	421	self.tags[0xba] = self.reservedForFutureUse # reserved
	422	self.tags[0xbb] = self.reservedForFutureUse # reserved
	423	self.tags[0xbc] = self.reservedForFutureUse # reserved
	424	self.tags[0xbd] = self.reservedForFutureUse # reserved
	425	self.tags[0xbe] = self.reservedForFutureUse # reserved
	426
[316]	427	# self.tags[0xbf] = self.passThrough # PassThrough mode should already be taken care of automatically
[298]	428
[193]	429	self.tags[0xc0] = 1 # ubyte
	430	self.tags[0xc1] = 2 # uint16
	431	self.tags[0xc2] = 4 # uint32
	432	self.tags[0xc3] = 2 # sint16
	433	self.tags[0xc4] = 4 # sint32
	434	self.tags[0xc5] = 4 # real32
	435
[245]	436	self.tags[0xc6] = self.reservedForFutureUse # reserved
	437	self.tags[0xc7] = self.reservedForFutureUse # reserved
	438
[193]	439	self.tags[0xc8] = self.array_8 # ubyte_array
	440	self.tags[0xc9] = self.array_16 # uint16_array
	441	self.tags[0xca] = self.array_32 # uint32_array
	442	self.tags[0xcb] = self.array_16 # sint16_array
	443	self.tags[0xcc] = self.array_32 # sint32_array
	444	self.tags[0xcd] = self.array_32 # real32_array
	445
[245]	446	self.tags[0xce] = self.reservedForFutureUse # reserved
	447	self.tags[0xcf] = self.reservedForFutureUse # reserved
	448
[193]	449	self.tags[0xd0] = 2 # ubyte_xy
	450	self.tags[0xd1] = 4 # uint16_xy
	451	self.tags[0xd2] = 8 # uint32_xy
	452	self.tags[0xd3] = 4 # sint16_xy
	453	self.tags[0xd4] = 8 # sint32_xy
	454	self.tags[0xd5] = 8 # real32_xy
[245]	455	self.tags[0xd6] = self.reservedForFutureUse # reserved
	456	self.tags[0xd7] = self.reservedForFutureUse # reserved
	457	self.tags[0xd8] = self.reservedForFutureUse # reserved
	458	self.tags[0xd9] = self.reservedForFutureUse # reserved
	459	self.tags[0xda] = self.reservedForFutureUse # reserved
	460	self.tags[0xdb] = self.reservedForFutureUse # reserved
	461	self.tags[0xdc] = self.reservedForFutureUse # reserved
	462	self.tags[0xdd] = self.reservedForFutureUse # reserved
	463	self.tags[0xde] = self.reservedForFutureUse # reserved
	464	self.tags[0xdf] = self.reservedForFutureUse # reserved
[193]	465
	466	self.tags[0xe0] = 4 # ubyte_box
	467	self.tags[0xe1] = 8 # uint16_box
	468	self.tags[0xe2] = 16 # uint32_box
	469	self.tags[0xe3] = 8 # sint16_box
	470	self.tags[0xe4] = 16 # sint32_box
	471	self.tags[0xe5] = 16 # real32_box
[245]	472	self.tags[0xe6] = self.reservedForFutureUse # reserved
	473	self.tags[0xe7] = self.reservedForFutureUse # reserved
	474	self.tags[0xe8] = self.reservedForFutureUse # reserved
	475	self.tags[0xe9] = self.reservedForFutureUse # reserved
	476	self.tags[0xea] = self.reservedForFutureUse # reserved
	477	self.tags[0xeb] = self.reservedForFutureUse # reserved
	478	self.tags[0xec] = self.reservedForFutureUse # reserved
	479	self.tags[0xed] = self.reservedForFutureUse # reserved
	480	self.tags[0xee] = self.reservedForFutureUse # reserved
	481	self.tags[0xef] = self.reservedForFutureUse # reserved
[193]	482
[245]	483	self.tags[0xf0] = self.reservedForFutureUse # reserved
	484	self.tags[0xf1] = self.reservedForFutureUse # reserved
	485	self.tags[0xf2] = self.reservedForFutureUse # reserved
	486	self.tags[0xf3] = self.reservedForFutureUse # reserved
	487	self.tags[0xf4] = self.reservedForFutureUse # reserved
	488	self.tags[0xf5] = self.reservedForFutureUse # reserved
	489	self.tags[0xf6] = self.reservedForFutureUse # reserved
	490	self.tags[0xf7] = self.reservedForFutureUse # reserved
	491
[193]	492	self.tags[0xf8] = 1 # attr_ubyte
	493	self.tags[0xf9] = 2 # attr_uint16
	494
	495	self.tags[0xfa] = self.embeddedData # dataLength
	496	self.tags[0xfb] = self.embeddedDataSmall # dataLengthByte
[245]	497
	498	self.tags[0xfc] = self.reservedForFutureUse # reserved
	499	self.tags[0xfd] = self.reservedForFutureUse # reserved
	500	self.tags[0xfe] = self.reservedForFutureUse # reserved
	501	self.tags[0xff] = self.reservedForFutureUse # reserved
[193]	502
[206]	503	# color spaces
	504	self.BWColorSpace = "".join([chr(0x00), chr(0xf8), chr(0x03)])
	505	self.GrayColorSpace = "".join([chr(0x01), chr(0xf8), chr(0x03)])
	506	self.RGBColorSpace = "".join([chr(0x02), chr(0xf8), chr(0x03)])
	507
	508	# set number of copies
	509	self.setNumberOfCopies = "".join([chr(0xf8), chr(0x31)])
	510
[318]	511	# subcodes for undocumented tag 0x46 and the negative
	512	# offset to grab the value from.
	513	self.x46_functions = { 0x91 : 5,
	514	0x92 : 5,
	515	0x93 : 3,
	516	0x94 : 3,
	517	0x95 : 5,
	518	0x96 : 2,
	519	0x97 : 2,
	520	0x98 : 2,
	521	}
	522
[193]	523	infileno = self.infile.fileno()
[258]	524	self.pages = { 0 : { "copies" : 1,
	525	"orientation" : "Default",
	526	"mediatype" : "Plain",
	527	"mediasize" : "Default",
	528	"mediasource" : "Default",
[299]	529	"duplex" : None,
[258]	530	}
	531	}
[193]	532	self.minfile = minfile = mmap.mmap(infileno, os.fstat(infileno)[6], prot=mmap.PROT_READ, flags=mmap.MAP_SHARED)
	533	tags = self.tags
	534	self.pagecount = 0
[314]	535	self.escapedStuff = {} # For escaped datas, mostly PJL commands
	536	self.prescribeStuff = {} # For Kyocera Prescribe commands
[316]	537	pos = oldpos = 0
[193]	538	try :
[307]	539	try :
	540	while 1 :
	541	try :
[316]	542	tag = ord(minfile[pos])
[307]	543	except OverflowError :
	544	pos = oldpos + 1
	545	pos += 1
[316]	546	length = tags[tag]
[307]	547	if length :
	548	if callable(length) :
[316]	549	length = length(pos)
[307]	550	oldpos = pos
	551	pos += length
	552	except IndexError : # EOF ?
	553	pass
	554	finally :
	555	self.minfile.close()
[193]	556
	557	# now handle number of copies for each page (may differ).
[206]	558	if self.iscolor :
	559	colormode = "Color"
	560	else :
[253]	561	colormode = "BW"
[252]	562
[253]	563	defaultduplexmode = "Simplex"
	564	defaultpapersize = ""
[252]	565	defaultpjlcopies = 1
	566	oldpjlcopies = -1
[253]	567	oldduplexmode = ""
	568	oldpapersize = ""
[193]	569	for pnum in range(1, self.pagecount + 1) :
	570	# if no number of copies defined, take 1, as explained
	571	# in PCLXL documentation.
	572	# NB : is number of copies is 0, the page won't be output
	573	# but the formula below is still correct : we want
	574	# to decrease the total number of pages in this case.
[299]	575	page = self.pages.get(pnum, self.pages.get(1, { "copies" : 1, "mediasize" : "Default", "duplex" : None }))
[266]	576	pjlstuff = self.escapedStuff.get(pnum, self.escapedStuff.get(0, []))
[252]	577	if pjlstuff :
	578	pjlparser = pjl.PJLParser("".join(pjlstuff))
	579	nbdefaultcopies = int(pjlparser.default_variables.get("COPIES", -1))
	580	nbcopies = int(pjlparser.environment_variables.get("COPIES", -1))
	581	nbdefaultqty = int(pjlparser.default_variables.get("QTY", -1))
	582	nbqty = int(pjlparser.environment_variables.get("QTY", -1))
	583	if nbdefaultcopies > -1 :
	584	defaultpjlcopies = nbdefaultcopies
	585	if nbdefaultqty > -1 :
	586	defaultpjlcopies = nbdefaultqty
	587	if nbcopies > -1 :
[253]	588	pjlcopies = nbcopies
[252]	589	elif nbqty > -1 :
[253]	590	pjlcopies = nbqty
[252]	591	else :
	592	if oldpjlcopies == -1 :
[253]	593	pjlcopies = defaultpjlcopies
	594	else :
	595	pjlcopies = oldpjlcopies
[299]	596	if page["duplex"] :
	597	duplexmode = page["duplex"]
	598	else :
	599	defaultdm = pjlparser.default_variables.get("DUPLEX", "")
	600	if defaultdm :
	601	if defaultdm.upper() == "ON" :
	602	defaultduplexmode = "Duplex"
	603	else :
	604	defaultduplexmode = "Simplex"
	605	envdm = pjlparser.environment_variables.get("DUPLEX", "")
	606	if envdm :
	607	if envdm.upper() == "ON" :
	608	duplexmode = "Duplex"
	609	else :
	610	duplexmode = "Simplex"
	611	else :
	612	if not oldduplexmode :
	613	duplexmode = defaultduplexmode
	614	else :
	615	duplexmode = oldduplexmode
[253]	616	defaultps = pjlparser.default_variables.get("PAPER", "")
	617	if defaultps :
	618	defaultpapersize = defaultps
	619	envps = pjlparser.environment_variables.get("PAPER", "")
	620	if envps :
	621	papersize = envps
	622	else :
	623	if not oldpapersize :
	624	papersize = defaultpapersize
	625	else :
	626	papersize = oldpapersize
[252]	627	else :
	628	if oldpjlcopies == -1 :
	629	pjlcopies = defaultpjlcopies
	630	else :
	631	pjlcopies = oldpjlcopies
[253]	632	if not oldduplexmode :
	633	duplexmode = defaultduplexmode
	634	else :
	635	duplexmode = oldduplexmode
	636	if not oldpapersize :
	637	papersize = defaultpapersize
	638	else :
	639	papersize = oldpapersize
	640	duplexmode = oldduplexmode
	641	papersize = oldpapersize or page["mediasize"]
	642	if page["mediasize"] != "Default" :
	643	papersize = page["mediasize"]
	644	if not duplexmode :
	645	duplexmode = oldduplexmode or defaultduplexmode
	646	oldpjlcopies = pjlcopies
	647	oldduplexmode = duplexmode
	648	oldpapersize = papersize
[252]	649	copies = pjlcopies * page["copies"]
[193]	650	self.pagecount += (copies - 1)
[253]	651	self.logdebug("%s%s%s%s%s%s%s" % (copies,
[252]	652	page["mediatype"],
[253]	653	papersize,
[252]	654	page["orientation"],
	655	page["mediasource"],
[253]	656	duplexmode,
[252]	657	colormode))
[193]	658	return self.pagecount
	659
	660	if __name__ == "__main__" :
[415]	661	pdlparser.test(Parser)

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