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pclxl.py @ 456

Revision 456, 28.7 kB (checked in by jerome, 17 years ago)
Fixed handling of number of copies as defined through PJL statements.
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	#
[443]	6	# (c) 2003, 2004, 2005, 2006, 2007 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."""
[430]	36	totiffcommands = [ 'pcl6 -sDEVICE=pdfwrite -r%(dpi)i -dPARANOIDSAFER -dNOPAUSE -dBATCH -dQUIET -sOutputFile=- - \| gs -sDEVICE=tiff24nc -dPARANOIDSAFER -dNOPAUSE -dBATCH -dQUIET -r%(dpi)i -sOutputFile="%(fname)s" -',
	37	'pcl6 -sDEVICE=pswrite -r%(dpi)i -dPARANOIDSAFER -dNOPAUSE -dBATCH -dQUIET -sOutputFile=- - \| gs -sDEVICE=tiff24nc -dPARANOIDSAFER -dNOPAUSE -dBATCH -dQUIET -r%(dpi)i -sOutputFile="%(fname)s" -',
[428]	38	]
[193]	39	mediasizes = {
	40	0 : "Letter",
	41	1 : "Legal",
	42	2 : "A4",
	43	3 : "Executive",
	44	4 : "Ledger",
	45	5 : "A3",
	46	6 : "COM10Envelope",
	47	7 : "MonarchEnvelope",
	48	8 : "C5Envelope",
	49	9 : "DLEnvelope",
	50	10 : "JB4",
	51	11 : "JB5",
	52	12 : "B5Envelope",
[246]	53	12 : "B5",
[193]	54	14 : "JPostcard",
	55	15 : "JDoublePostcard",
	56	16 : "A5",
	57	17 : "A6",
	58	18 : "JB6",
[246]	59	19 : "JIS8K",
	60	20 : "JIS16K",
	61	21 : "JISExec",
	62	96 : "Default",
[193]	63	}
	64
	65	mediasources = {
	66	0 : "Default",
	67	1 : "Auto",
	68	2 : "Manual",
	69	3 : "MultiPurpose",
	70	4 : "UpperCassette",
	71	5 : "LowerCassette",
	72	6 : "EnvelopeTray",
	73	7 : "ThirdCassette",
	74	}
	75
	76	orientations = {
	77	0 : "Portrait",
	78	1 : "Landscape",
	79	2 : "ReversePortrait",
	80	3 : "ReverseLandscape",
[246]	81	4 : "Default",
[193]	82	}
	83
[220]	84	def isValid(self) :
[387]	85	"""Returns True if data is PCLXL aka PCL6, else False."""
[220]	86	if ((self.firstblock[:128].find("\033%-12345X") != -1) and \
	87	(self.firstblock.find(" HP-PCL XL;") != -1) and \
	88	((self.firstblock.find("LANGUAGE=PCLXL") != -1) or \
	89	(self.firstblock.find("LANGUAGE = PCLXL") != -1))) :
[252]	90	self.logdebug("DEBUG: Input file is in the PCLXL (aka PCL6) format.")
[387]	91	return True
[220]	92	else :
[387]	93	return False
[220]	94
[318]	95	def beginPage(self, nextpos) :
[193]	96	"""Indicates the beginning of a new page, and extracts media information."""
	97	self.pagecount += 1
	98
	99	# Default values
	100	mediatypelabel = "Plain"
	101	mediasourcelabel = "Main"
	102	mediasizelabel = "Default"
	103	orientationlabel = "Portrait"
[299]	104	duplexmode = None
[193]	105
	106	# Now go upstream to decode media type, size, source, and orientation
	107	# this saves time because we don't need a complete parser !
	108	minfile = self.minfile
[318]	109	pos = nextpos - 2
[193]	110	while pos > 0 : # safety check : don't go back to far !
	111	val = ord(minfile[pos])
	112	if val in (0x44, 0x48, 0x41) : # if previous endPage or openDataSource or beginSession (first page)
	113	break
	114	if val == 0x26 :
	115	mediasource = ord(minfile[pos - 2])
	116	mediasourcelabel = self.mediasources.get(mediasource, str(mediasource))
[302]	117	pos -= 4
[193]	118	elif val == 0x25 :
[302]	119	while (pos > 0) and (ord(minfile[pos]) != 0xc0) :
	120	# we search the preceding ubyte tag
	121	pos -= 1
	122	if pos > 0 :
	123	if ord(minfile[pos-1]) == 0xc8 :
	124	# if we found an ubyte_array then the media
	125	# size is completely spelled
	126	arraylength = ord(minfile[pos+1])
	127	mediasizelabel = minfile[pos+2:pos+2+arraylength].title()
	128	pos -= 1
	129	else :
	130	# if we just found an ubyte, then the media
	131	# size is known by its index
	132	mediasize = ord(minfile[pos+1])
	133	mediasizelabel = self.mediasizes.get(mediasize, str(mediasize))
	134	pos -= 1
[310]	135	# self.logdebug("Media size : %s" % mediasizelabel)
[193]	136	elif val == 0x28 :
	137	orientation = ord(minfile[pos - 2])
[252]	138	orientationlabel = self.orientations.get(orientation, str(orientation))
[302]	139	pos -= 4
[193]	140	elif val == 0x27 :
	141	savepos = pos
[302]	142	pos -= 1
[293]	143	startpos = size = None
[193]	144	while pos > 0 : # safety check : don't go back to far !
	145	val = ord(minfile[pos])
	146	pos -= 1
	147	if val == 0xc8 :
[293]	148	length = self.tags[ord(minfile[pos+2])] # will probably always be a byte or uint16
	149	if length == 1 :
	150	startpos = pos + 4
	151	size = unpack("B", self.minfile[pos+3:startpos])[0]
	152	elif length == 2 :
	153	startpos = pos + 5
[316]	154	size = unpack(self.unpackShort, self.minfile[pos+3:startpos])[0]
[293]	155	elif length == 4 :
	156	startpos = pos + 7
[316]	157	size = unpack(self.unpackLong, self.minfile[pos+3:startpos])[0]
[293]	158	else :
[301]	159	raise pdlparser.PDLParserError, "Error on size at %s : %s" % (pos+2, length)
[193]	160	break
[293]	161	mediatypelabel = minfile[startpos:startpos+size]
[310]	162	# self.logdebug("Media type : %s" % mediatypelabel)
[299]	163	elif val == 0x34 :
	164	duplexmode = "Simplex"
[302]	165	pos -= 2
[299]	166	elif val in (0x35, 0x36) :
	167	duplexmode = "Duplex"
[302]	168	pos -= 2
[193]	169	# else : TODO : CUSTOM MEDIA SIZE AND UNIT !
	170	else :
[302]	171	pos -= 1 # ignored
[193]	172	self.pages[self.pagecount] = { "copies" : 1,
	173	"orientation" : orientationlabel,
	174	"mediatype" : mediatypelabel,
	175	"mediasize" : mediasizelabel,
	176	"mediasource" : mediasourcelabel,
[299]	177	"duplex" : duplexmode,
[193]	178	}
	179	return 0
	180
[318]	181	def endPage(self, nextpos) :
[193]	182	"""Indicates the end of a page."""
[318]	183	pos3 = nextpos - 3
[193]	184	minfile = self.minfile
[318]	185	if minfile[pos3:nextpos-1] == self.setNumberOfCopies :
[193]	186	# The EndPage operator may be preceded by a PageCopies attribute
	187	# So set number of copies for current page.
	188	# From what I read in PCLXL documentation, the number
	189	# of copies is an unsigned 16 bits integer
[258]	190	try :
[454]	191	nbcopies = unpack(self.unpackShort, minfile[pos3-2:pos3])[0]
[456]	192	# self.logdebug("Number of copies : %i" % nbcopies)
[454]	193	self.pages[self.pagecount]["copies"] = nbcopies
[258]	194	except KeyError :
	195	self.logdebug("It looks like this PCLXL file is corrupted.")
[193]	196	return 0
	197
[318]	198	def setColorSpace(self, nextpos) :
[205]	199	"""Changes the color space."""
[318]	200	if self.minfile[nextpos-4:nextpos-1] == self.RGBColorSpace : # TODO : doesn't seem to handle all cases !
[206]	201	self.iscolor = 1
[205]	202	return 0
	203
[318]	204	def array_Generic(self, nextpos, size) :
[317]	205	"""Handles all arrays."""
[318]	206	pos = nextpos
[317]	207	datatype = ord(self.minfile[pos])
[193]	208	pos += 1
[317]	209	length = self.tags[datatype]
[193]	210	if callable(length) :
[316]	211	length = length(pos)
[318]	212	try :
	213	return 1 + length + size * unpack(self.unpackType[length], self.minfile[pos:pos+length])[0]
	214	except KeyError :
	215	raise pdlparser.PDLParserError, "Error on array size at %x" % nextpos
[317]	216
[318]	217	def array_8(self, nextpos) :
[317]	218	"""Handles byte arrays."""
[318]	219	return self.array_Generic(nextpos, 1)
[193]	220
[318]	221	def array_16(self, nextpos) :
[424]	222	"""Handles 16 bits arrays."""
[318]	223	return self.array_Generic(nextpos, 2)
[193]	224
[318]	225	def array_32(self, nextpos) :
[424]	226	"""Handles 32 bits arrays."""
[318]	227	return self.array_Generic(nextpos, 4)
[193]	228
[318]	229	def embeddedDataSmall(self, nextpos) :
[193]	230	"""Handle small amounts of data."""
[318]	231	return 1 + ord(self.minfile[nextpos])
[193]	232
[318]	233	def embeddedData(self, nextpos) :
[193]	234	"""Handle normal amounts of data."""
[318]	235	return 4 + unpack(self.unpackLong, self.minfile[nextpos:nextpos+4])[0]
[193]	236
[318]	237	def littleEndian(self, nextpos) :
[193]	238	"""Toggles to little endianness."""
[318]	239	self.unpackType = { 1 : "B", 2 : "<H", 4 : "<I" }
	240	self.unpackShort = self.unpackType[2]
	241	self.unpackLong = self.unpackType[4]
[193]	242	return 0
	243
[318]	244	def bigEndian(self, nextpos) :
[193]	245	"""Toggles to big endianness."""
[318]	246	self.unpackType = { 1 : "B", 2 : ">H", 4 : ">I" }
	247	self.unpackShort = self.unpackType[2]
	248	self.unpackLong = self.unpackType[4]
[193]	249	return 0
	250
[318]	251	def reservedForFutureUse(self, nextpos) :
[245]	252	"""Outputs something when a reserved byte is encountered."""
[318]	253	self.logdebug("Byte at %x is out of the PCLXL Protocol Class 2.0 Specification" % nextpos)
[245]	254	return 0
	255
[318]	256	def x46_class3(self, nextpos) :
[310]	257	"""Undocumented tag 0x46 in class 3.0 streams."""
[318]	258	pos = nextpos - 3
[309]	259	minfile = self.minfile
[318]	260	val = ord(minfile[pos])
	261	while val == 0xf8 :
	262	funcid = ord(minfile[pos+1])
	263	try :
	264	offset = self.x46_functions[funcid]
	265	except KeyError :
	266	self.logdebug("Unexpected subfunction 0x%02x for undocumented tag 0x46 at %x" % (funcid, nextpos))
	267	break
	268	else :
[320]	269	pos -= offset
	270	length = self.tags[ord(self.minfile[pos])]
[318]	271	if callable(length) :
[320]	272	length = length(pos+1)
	273	if funcid == 0x92 : # we want to skip these blocks
[318]	274	try :
	275	return unpack(self.unpackType[length], self.minfile[pos+1:pos+length+1])[0]
	276	except KeyError :
	277	raise pdlparser.PDLParserError, "Error on size '%s' at %x" % (length, pos+1)
[309]	278	val = ord(minfile[pos])
	279	return 0
	280
[318]	281	def escape(self, nextpos) :
[245]	282	"""Handles the ESC code."""
[318]	283	pos = endpos = nextpos
[314]	284	minfile = self.minfile
	285	if minfile[pos : pos+8] == r"%-12345X" :
[245]	286	endpos = pos + 9
[252]	287	endmark = chr(0x0c) + chr(0x00) + chr(0x1b)
[246]	288	asciilimit = chr(0x80)
[269]	289	quotes = 0
[314]	290	while (minfile[endpos] not in endmark) and \
	291	((minfile[endpos] < asciilimit) or (quotes % 2)) :
	292	if minfile[endpos] == '"' :
[269]	293	quotes += 1
[245]	294	endpos += 1
	295
	296	# Store this in a per page mapping.
	297	# NB : First time will be at page 0 (i.e. before page 1) !
	298	stuff = self.escapedStuff.setdefault(self.pagecount, [])
[314]	299	stuff.append(minfile[pos : endpos])
	300	self.logdebug("Escaped datas : [%s]" % repr(minfile[pos : endpos]))
[245]	301	return endpos - pos
	302
[318]	303	def skipKyoceraPrescribe(self, nextpos) :
[312]	304	"""Skips Kyocera Prescribe commands."""
[318]	305	pos = nextpos - 1
[312]	306	minfile = self.minfile
	307	if minfile[pos:pos+3] == "!R!" :
[318]	308	while (pos - nextpos) < 1024 : # This is a realistic upper bound, to avoid infinite loops
[312]	309	if (minfile[pos] == ";") and (minfile[pos-4:pos] == "EXIT") :
[314]	310	pos += 1
	311	prescribe = self.prescribeStuff.setdefault(self.pagecount, [])
[318]	312	prescribe.append(minfile[nextpos-1:pos])
	313	self.logdebug("Prescribe commands : [%s]" % repr(minfile[nextpos-1:pos]))
[417]	314	break
[312]	315	pos += 1
[417]	316	return (pos - nextpos)
[312]	317	else :
	318	return 0
	319
[193]	320	def getJobSize(self) :
	321	"""Counts pages in a PCLXL (PCL6) document.
	322
	323	Algorithm by Jerome Alet.
	324
	325	The documentation used for this was :
	326
	327	HP PCL XL Feature Reference
	328	Protocol Class 2.0
	329	http://www.hpdevelopersolutions.com/downloads/64/358/xl_ref20r22.pdf
[246]	330
	331	Protocol Class 2.1 Supplement
	332	xl_ref21.pdf
	333
	334	Protocol Class 3.0 Supplement
	335	xl_refsup30r089.pdf
[193]	336	"""
[206]	337	self.iscolor = None
[449]	338	found = False
[193]	339	while not found :
	340	line = self.infile.readline()
	341	if not line :
	342	break
[293]	343	pos = line.find(" HP-PCL XL;")
	344	if pos != -1 :
[449]	345	found = True
[293]	346	endian = ord(line[pos - 1])
[193]	347	if endian == 0x29 :
[316]	348	self.littleEndian(0)
[193]	349	elif endian == 0x28 :
[316]	350	self.bigEndian(0)
[193]	351	# elif endian == 0x27 : # TODO : This is the ESC code : parse it for PJL statements !
	352	#
	353	else :
[200]	354	raise pdlparser.PDLParserError, "Unknown endianness marker 0x%02x at start !" % endian
[193]	355	if not found :
[200]	356	raise pdlparser.PDLParserError, "This file doesn't seem to be PCLXL (aka PCL6)"
[193]	357
[246]	358	# Initialize Media Sources
	359	for i in range(8, 256) :
	360	self.mediasources[i] = "ExternalTray%03i" % (i - 7)
	361
[193]	362	# Initialize table of tags
	363	self.tags = [ 0 ] * 256
	364
[245]	365	self.tags[0x1b] = self.escape # The escape code
	366
[352]	367	self.tags[0x21] = self.skipKyoceraPrescribe # 0x21 is not normally used
[312]	368
[193]	369	# GhostScript's sources tell us that HP printers
	370	# only accept little endianness, but we can handle both.
	371	self.tags[0x28] = self.bigEndian # BigEndian
	372	self.tags[0x29] = self.littleEndian # LittleEndian
	373
	374	self.tags[0x43] = self.beginPage # BeginPage
	375	self.tags[0x44] = self.endPage # EndPage
[245]	376	self.tags[0x45] = self.reservedForFutureUse # reserved
[313]	377
[309]	378	self.tags[0x46] = self.x46_class3
[193]	379
[245]	380	self.tags[0x4a] = self.reservedForFutureUse # reserved
	381	self.tags[0x4b] = self.reservedForFutureUse # reserved
	382	self.tags[0x4c] = self.reservedForFutureUse # reserved
	383	self.tags[0x4d] = self.reservedForFutureUse # reserved
	384	self.tags[0x4e] = self.reservedForFutureUse # reserved
	385
	386	self.tags[0x56] = self.reservedForFutureUse # TODO : documentation not clear about reserved status
	387
	388	self.tags[0x57] = self.reservedForFutureUse # reserved
[313]	389
[245]	390	self.tags[0x59] = self.reservedForFutureUse # reserved
	391	self.tags[0x5a] = self.reservedForFutureUse # reserved
	392
[206]	393	self.tags[0x6a] = self.setColorSpace # to detect color/b&w mode
[205]	394
[245]	395	self.tags[0x87] = self.reservedForFutureUse # reserved
	396	self.tags[0x88] = self.reservedForFutureUse # reserved
	397	self.tags[0x89] = self.reservedForFutureUse # reserved
	398	self.tags[0x8a] = self.reservedForFutureUse # reserved
[313]	399
[245]	400	self.tags[0x8b] = self.reservedForFutureUse # reserved
[313]	401
[245]	402	self.tags[0x8c] = self.reservedForFutureUse # reserved
	403	self.tags[0x8d] = self.reservedForFutureUse # reserved
	404	self.tags[0x8e] = self.reservedForFutureUse # reserved
	405	self.tags[0x8f] = self.reservedForFutureUse # reserved
	406	self.tags[0x90] = self.reservedForFutureUse # reserved
	407
	408	self.tags[0x9a] = self.reservedForFutureUse # reserved
	409	self.tags[0x9c] = self.reservedForFutureUse # reserved
	410
	411	self.tags[0xa4] = self.reservedForFutureUse # reserved
	412	self.tags[0xa5] = self.reservedForFutureUse # reserved
	413	self.tags[0xa6] = self.reservedForFutureUse # reserved
	414	self.tags[0xa7] = self.reservedForFutureUse # reserved
	415
	416	self.tags[0xaa] = self.reservedForFutureUse # reserved
	417	self.tags[0xab] = self.reservedForFutureUse # reserved
	418	self.tags[0xac] = self.reservedForFutureUse # reserved
	419	self.tags[0xad] = self.reservedForFutureUse # reserved
	420	self.tags[0xae] = self.reservedForFutureUse # reserved
	421	self.tags[0xaf] = self.reservedForFutureUse # reserved
	422
	423	self.tags[0xb7] = self.reservedForFutureUse # reserved
	424
	425	self.tags[0xba] = self.reservedForFutureUse # reserved
	426	self.tags[0xbb] = self.reservedForFutureUse # reserved
	427	self.tags[0xbc] = self.reservedForFutureUse # reserved
	428	self.tags[0xbd] = self.reservedForFutureUse # reserved
	429	self.tags[0xbe] = self.reservedForFutureUse # reserved
	430
[316]	431	# self.tags[0xbf] = self.passThrough # PassThrough mode should already be taken care of automatically
[298]	432
[193]	433	self.tags[0xc0] = 1 # ubyte
	434	self.tags[0xc1] = 2 # uint16
	435	self.tags[0xc2] = 4 # uint32
	436	self.tags[0xc3] = 2 # sint16
	437	self.tags[0xc4] = 4 # sint32
	438	self.tags[0xc5] = 4 # real32
	439
[245]	440	self.tags[0xc6] = self.reservedForFutureUse # reserved
	441	self.tags[0xc7] = self.reservedForFutureUse # reserved
	442
[193]	443	self.tags[0xc8] = self.array_8 # ubyte_array
	444	self.tags[0xc9] = self.array_16 # uint16_array
	445	self.tags[0xca] = self.array_32 # uint32_array
	446	self.tags[0xcb] = self.array_16 # sint16_array
	447	self.tags[0xcc] = self.array_32 # sint32_array
	448	self.tags[0xcd] = self.array_32 # real32_array
	449
[245]	450	self.tags[0xce] = self.reservedForFutureUse # reserved
	451	self.tags[0xcf] = self.reservedForFutureUse # reserved
	452
[193]	453	self.tags[0xd0] = 2 # ubyte_xy
	454	self.tags[0xd1] = 4 # uint16_xy
	455	self.tags[0xd2] = 8 # uint32_xy
	456	self.tags[0xd3] = 4 # sint16_xy
	457	self.tags[0xd4] = 8 # sint32_xy
	458	self.tags[0xd5] = 8 # real32_xy
[245]	459	self.tags[0xd6] = self.reservedForFutureUse # reserved
	460	self.tags[0xd7] = self.reservedForFutureUse # reserved
	461	self.tags[0xd8] = self.reservedForFutureUse # reserved
	462	self.tags[0xd9] = self.reservedForFutureUse # reserved
	463	self.tags[0xda] = self.reservedForFutureUse # reserved
	464	self.tags[0xdb] = self.reservedForFutureUse # reserved
	465	self.tags[0xdc] = self.reservedForFutureUse # reserved
	466	self.tags[0xdd] = self.reservedForFutureUse # reserved
	467	self.tags[0xde] = self.reservedForFutureUse # reserved
	468	self.tags[0xdf] = self.reservedForFutureUse # reserved
[193]	469
	470	self.tags[0xe0] = 4 # ubyte_box
	471	self.tags[0xe1] = 8 # uint16_box
	472	self.tags[0xe2] = 16 # uint32_box
	473	self.tags[0xe3] = 8 # sint16_box
	474	self.tags[0xe4] = 16 # sint32_box
	475	self.tags[0xe5] = 16 # real32_box
[245]	476	self.tags[0xe6] = self.reservedForFutureUse # reserved
	477	self.tags[0xe7] = self.reservedForFutureUse # reserved
	478	self.tags[0xe8] = self.reservedForFutureUse # reserved
	479	self.tags[0xe9] = self.reservedForFutureUse # reserved
	480	self.tags[0xea] = self.reservedForFutureUse # reserved
	481	self.tags[0xeb] = self.reservedForFutureUse # reserved
	482	self.tags[0xec] = self.reservedForFutureUse # reserved
	483	self.tags[0xed] = self.reservedForFutureUse # reserved
	484	self.tags[0xee] = self.reservedForFutureUse # reserved
	485	self.tags[0xef] = self.reservedForFutureUse # reserved
[193]	486
[245]	487	self.tags[0xf0] = self.reservedForFutureUse # reserved
	488	self.tags[0xf1] = self.reservedForFutureUse # reserved
	489	self.tags[0xf2] = self.reservedForFutureUse # reserved
	490	self.tags[0xf3] = self.reservedForFutureUse # reserved
	491	self.tags[0xf4] = self.reservedForFutureUse # reserved
	492	self.tags[0xf5] = self.reservedForFutureUse # reserved
	493	self.tags[0xf6] = self.reservedForFutureUse # reserved
	494	self.tags[0xf7] = self.reservedForFutureUse # reserved
	495
[193]	496	self.tags[0xf8] = 1 # attr_ubyte
	497	self.tags[0xf9] = 2 # attr_uint16
	498
	499	self.tags[0xfa] = self.embeddedData # dataLength
	500	self.tags[0xfb] = self.embeddedDataSmall # dataLengthByte
[245]	501
	502	self.tags[0xfc] = self.reservedForFutureUse # reserved
	503	self.tags[0xfd] = self.reservedForFutureUse # reserved
	504	self.tags[0xfe] = self.reservedForFutureUse # reserved
	505	self.tags[0xff] = self.reservedForFutureUse # reserved
[193]	506
[206]	507	# color spaces
	508	self.BWColorSpace = "".join([chr(0x00), chr(0xf8), chr(0x03)])
	509	self.GrayColorSpace = "".join([chr(0x01), chr(0xf8), chr(0x03)])
	510	self.RGBColorSpace = "".join([chr(0x02), chr(0xf8), chr(0x03)])
	511
	512	# set number of copies
	513	self.setNumberOfCopies = "".join([chr(0xf8), chr(0x31)])
	514
[318]	515	# subcodes for undocumented tag 0x46 and the negative
	516	# offset to grab the value from.
	517	self.x46_functions = { 0x91 : 5,
	518	0x92 : 5,
	519	0x93 : 3,
	520	0x94 : 3,
	521	0x95 : 5,
	522	0x96 : 2,
	523	0x97 : 2,
	524	0x98 : 2,
	525	}
	526
[193]	527	infileno = self.infile.fileno()
[258]	528	self.pages = { 0 : { "copies" : 1,
	529	"orientation" : "Default",
	530	"mediatype" : "Plain",
	531	"mediasize" : "Default",
	532	"mediasource" : "Default",
[299]	533	"duplex" : None,
[258]	534	}
	535	}
[193]	536	self.minfile = minfile = mmap.mmap(infileno, os.fstat(infileno)[6], prot=mmap.PROT_READ, flags=mmap.MAP_SHARED)
	537	tags = self.tags
	538	self.pagecount = 0
[314]	539	self.escapedStuff = {} # For escaped datas, mostly PJL commands
	540	self.prescribeStuff = {} # For Kyocera Prescribe commands
[316]	541	pos = oldpos = 0
[193]	542	try :
[307]	543	try :
	544	while 1 :
	545	try :
[316]	546	tag = ord(minfile[pos])
[307]	547	except OverflowError :
	548	pos = oldpos + 1
	549	pos += 1
[316]	550	length = tags[tag]
[307]	551	if length :
	552	if callable(length) :
[316]	553	length = length(pos)
[307]	554	oldpos = pos
	555	pos += length
	556	except IndexError : # EOF ?
	557	pass
	558	finally :
	559	self.minfile.close()
[193]	560
	561	# now handle number of copies for each page (may differ).
[206]	562	if self.iscolor :
	563	colormode = "Color"
	564	else :
[253]	565	colormode = "BW"
[252]	566
[253]	567	defaultduplexmode = "Simplex"
	568	defaultpapersize = ""
[252]	569	defaultpjlcopies = 1
	570	oldpjlcopies = -1
[253]	571	oldduplexmode = ""
	572	oldpapersize = ""
[193]	573	for pnum in range(1, self.pagecount + 1) :
	574	# if no number of copies defined, take 1, as explained
	575	# in PCLXL documentation.
	576	# NB : is number of copies is 0, the page won't be output
	577	# but the formula below is still correct : we want
	578	# to decrease the total number of pages in this case.
[299]	579	page = self.pages.get(pnum, self.pages.get(1, { "copies" : 1, "mediasize" : "Default", "duplex" : None }))
[266]	580	pjlstuff = self.escapedStuff.get(pnum, self.escapedStuff.get(0, []))
[252]	581	if pjlstuff :
	582	pjlparser = pjl.PJLParser("".join(pjlstuff))
	583	nbdefaultcopies = int(pjlparser.default_variables.get("COPIES", -1))
	584	nbcopies = int(pjlparser.environment_variables.get("COPIES", -1))
	585	nbdefaultqty = int(pjlparser.default_variables.get("QTY", -1))
	586	nbqty = int(pjlparser.environment_variables.get("QTY", -1))
	587	if nbdefaultcopies > -1 :
	588	defaultpjlcopies = nbdefaultcopies
	589	if nbdefaultqty > -1 :
	590	defaultpjlcopies = nbdefaultqty
	591	if nbcopies > -1 :
[253]	592	pjlcopies = nbcopies
[252]	593	elif nbqty > -1 :
[253]	594	pjlcopies = nbqty
[252]	595	else :
	596	if oldpjlcopies == -1 :
[253]	597	pjlcopies = defaultpjlcopies
	598	else :
	599	pjlcopies = oldpjlcopies
[299]	600	if page["duplex"] :
	601	duplexmode = page["duplex"]
	602	else :
	603	defaultdm = pjlparser.default_variables.get("DUPLEX", "")
	604	if defaultdm :
	605	if defaultdm.upper() == "ON" :
	606	defaultduplexmode = "Duplex"
	607	else :
	608	defaultduplexmode = "Simplex"
	609	envdm = pjlparser.environment_variables.get("DUPLEX", "")
	610	if envdm :
	611	if envdm.upper() == "ON" :
	612	duplexmode = "Duplex"
	613	else :
	614	duplexmode = "Simplex"
	615	else :
	616	if not oldduplexmode :
	617	duplexmode = defaultduplexmode
	618	else :
	619	duplexmode = oldduplexmode
[253]	620	defaultps = pjlparser.default_variables.get("PAPER", "")
	621	if defaultps :
	622	defaultpapersize = defaultps
	623	envps = pjlparser.environment_variables.get("PAPER", "")
	624	if envps :
	625	papersize = envps
	626	else :
	627	if not oldpapersize :
	628	papersize = defaultpapersize
	629	else :
	630	papersize = oldpapersize
[252]	631	else :
	632	if oldpjlcopies == -1 :
	633	pjlcopies = defaultpjlcopies
	634	else :
	635	pjlcopies = oldpjlcopies
[253]	636	if not oldduplexmode :
	637	duplexmode = defaultduplexmode
	638	else :
	639	duplexmode = oldduplexmode
	640	if not oldpapersize :
	641	papersize = defaultpapersize
	642	else :
	643	papersize = oldpapersize
	644	duplexmode = oldduplexmode
	645	papersize = oldpapersize or page["mediasize"]
	646	if page["mediasize"] != "Default" :
	647	papersize = page["mediasize"]
	648	if not duplexmode :
	649	duplexmode = oldduplexmode or defaultduplexmode
	650	oldpjlcopies = pjlcopies
	651	oldduplexmode = duplexmode
	652	oldpapersize = papersize
[456]	653	copies = max(pjlcopies, page["copies"]) # Was : pjlcopies * page["copies"]
[193]	654	self.pagecount += (copies - 1)
[253]	655	self.logdebug("%s%s%s%s%s%s%s" % (copies,
[252]	656	page["mediatype"],
[253]	657	papersize,
[252]	658	page["orientation"],
	659	page["mediasource"],
[253]	660	duplexmode,
[252]	661	colormode))
[193]	662	return self.pagecount
	663
	664	if __name__ == "__main__" :
[415]	665	pdlparser.test(Parser)

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