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pclxl.py @ 317

Revision 317, 28.3 kB (checked in by jerome, 18 years ago)
Simplified code again, with a small loss performance.
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
	24	import sys
[202]	25	import os
[193]	26	import mmap
	27	from struct import unpack
	28
[235]	29	import pdlparser
[252]	30	import pjl
[193]	31
[220]	32	class Parser(pdlparser.PDLParser) :
[193]	33	"""A parser for PCLXL (aka PCL6) documents."""
	34	mediasizes = {
	35	0 : "Letter",
	36	1 : "Legal",
	37	2 : "A4",
	38	3 : "Executive",
	39	4 : "Ledger",
	40	5 : "A3",
	41	6 : "COM10Envelope",
	42	7 : "MonarchEnvelope",
	43	8 : "C5Envelope",
	44	9 : "DLEnvelope",
	45	10 : "JB4",
	46	11 : "JB5",
	47	12 : "B5Envelope",
[246]	48	12 : "B5",
[193]	49	14 : "JPostcard",
	50	15 : "JDoublePostcard",
	51	16 : "A5",
	52	17 : "A6",
	53	18 : "JB6",
[246]	54	19 : "JIS8K",
	55	20 : "JIS16K",
	56	21 : "JISExec",
	57	96 : "Default",
[193]	58	}
	59
	60	mediasources = {
	61	0 : "Default",
	62	1 : "Auto",
	63	2 : "Manual",
	64	3 : "MultiPurpose",
	65	4 : "UpperCassette",
	66	5 : "LowerCassette",
	67	6 : "EnvelopeTray",
	68	7 : "ThirdCassette",
	69	}
	70
	71	orientations = {
	72	0 : "Portrait",
	73	1 : "Landscape",
	74	2 : "ReversePortrait",
	75	3 : "ReverseLandscape",
[246]	76	4 : "Default",
[193]	77	}
	78
[220]	79	def isValid(self) :
	80	"""Returns 1 if data is PCLXL aka PCL6, else 0."""
	81	if ((self.firstblock[:128].find("\033%-12345X") != -1) and \
	82	(self.firstblock.find(" HP-PCL XL;") != -1) and \
	83	((self.firstblock.find("LANGUAGE=PCLXL") != -1) or \
	84	(self.firstblock.find("LANGUAGE = PCLXL") != -1))) :
[252]	85	self.logdebug("DEBUG: Input file is in the PCLXL (aka PCL6) format.")
[220]	86	return 1
	87	else :
	88	return 0
	89
[316]	90	def beginPage(self, prevpos) :
[193]	91	"""Indicates the beginning of a new page, and extracts media information."""
	92	self.pagecount += 1
	93
	94	# Default values
	95	mediatypelabel = "Plain"
	96	mediasourcelabel = "Main"
	97	mediasizelabel = "Default"
	98	orientationlabel = "Portrait"
[299]	99	duplexmode = None
[193]	100
	101	# Now go upstream to decode media type, size, source, and orientation
	102	# this saves time because we don't need a complete parser !
	103	minfile = self.minfile
[316]	104	pos = prevpos - 2
[193]	105	while pos > 0 : # safety check : don't go back to far !
	106	val = ord(minfile[pos])
	107	if val in (0x44, 0x48, 0x41) : # if previous endPage or openDataSource or beginSession (first page)
	108	break
	109	if val == 0x26 :
	110	mediasource = ord(minfile[pos - 2])
	111	mediasourcelabel = self.mediasources.get(mediasource, str(mediasource))
[302]	112	pos -= 4
[193]	113	elif val == 0x25 :
[302]	114	while (pos > 0) and (ord(minfile[pos]) != 0xc0) :
	115	# we search the preceding ubyte tag
	116	pos -= 1
	117	if pos > 0 :
	118	if ord(minfile[pos-1]) == 0xc8 :
	119	# if we found an ubyte_array then the media
	120	# size is completely spelled
	121	arraylength = ord(minfile[pos+1])
	122	mediasizelabel = minfile[pos+2:pos+2+arraylength].title()
	123	pos -= 1
	124	else :
	125	# if we just found an ubyte, then the media
	126	# size is known by its index
	127	mediasize = ord(minfile[pos+1])
	128	mediasizelabel = self.mediasizes.get(mediasize, str(mediasize))
	129	pos -= 1
[310]	130	# self.logdebug("Media size : %s" % mediasizelabel)
[193]	131	elif val == 0x28 :
	132	orientation = ord(minfile[pos - 2])
[252]	133	orientationlabel = self.orientations.get(orientation, str(orientation))
[302]	134	pos -= 4
[193]	135	elif val == 0x27 :
	136	savepos = pos
[302]	137	pos -= 1
[293]	138	startpos = size = None
[193]	139	while pos > 0 : # safety check : don't go back to far !
	140	val = ord(minfile[pos])
	141	pos -= 1
	142	if val == 0xc8 :
[293]	143	length = self.tags[ord(minfile[pos+2])] # will probably always be a byte or uint16
	144	if length == 1 :
	145	startpos = pos + 4
	146	size = unpack("B", self.minfile[pos+3:startpos])[0]
	147	elif length == 2 :
	148	startpos = pos + 5
[316]	149	size = unpack(self.unpackShort, self.minfile[pos+3:startpos])[0]
[293]	150	elif length == 4 :
	151	startpos = pos + 7
[316]	152	size = unpack(self.unpackLong, self.minfile[pos+3:startpos])[0]
[293]	153	else :
[301]	154	raise pdlparser.PDLParserError, "Error on size at %s : %s" % (pos+2, length)
[193]	155	break
[293]	156	mediatypelabel = minfile[startpos:startpos+size]
[310]	157	# self.logdebug("Media type : %s" % mediatypelabel)
[299]	158	elif val == 0x34 :
	159	duplexmode = "Simplex"
[302]	160	pos -= 2
[299]	161	elif val in (0x35, 0x36) :
	162	duplexmode = "Duplex"
[302]	163	pos -= 2
[193]	164	# else : TODO : CUSTOM MEDIA SIZE AND UNIT !
	165	else :
[302]	166	pos -= 1 # ignored
[193]	167	self.pages[self.pagecount] = { "copies" : 1,
	168	"orientation" : orientationlabel,
	169	"mediatype" : mediatypelabel,
	170	"mediasize" : mediasizelabel,
	171	"mediasource" : mediasourcelabel,
[299]	172	"duplex" : duplexmode,
[193]	173	}
	174	return 0
	175
[316]	176	def endPage(self, prevpos) :
[193]	177	"""Indicates the end of a page."""
[317]	178	pos3 = prevpos - 3
[193]	179	minfile = self.minfile
[317]	180	if minfile[pos3:prevpos-1] == self.setNumberOfCopies :
[193]	181	# The EndPage operator may be preceded by a PageCopies attribute
	182	# So set number of copies for current page.
	183	# From what I read in PCLXL documentation, the number
	184	# of copies is an unsigned 16 bits integer
[258]	185	try :
[317]	186	self.pages[self.pagecount]["copies"] = unpack(self.unpackShort, minfile[pos3-2:pos3])[0]
[258]	187	except KeyError :
	188	self.logdebug("It looks like this PCLXL file is corrupted.")
[193]	189	return 0
	190
[316]	191	def setColorSpace(self, prevpos) :
[205]	192	"""Changes the color space."""
[317]	193	if self.minfile[prevpos-4:prevpos-1] == self.RGBColorSpace : # TODO : doesn't seem to handle all cases !
[206]	194	self.iscolor = 1
[205]	195	return 0
	196
[317]	197	def array_Generic(self, prevpos, size) :
	198	"""Handles all arrays."""
[316]	199	pos = prevpos
[317]	200	datatype = ord(self.minfile[pos])
[193]	201	pos += 1
[317]	202	length = self.tags[datatype]
[193]	203	if callable(length) :
[316]	204	length = length(pos)
[193]	205	posl = pos + length
	206	if length == 1 :
[317]	207	return 1 + length + size * unpack("B", self.minfile[pos:posl])[0]
[193]	208	elif length == 2 :
[317]	209	return 1 + length + size * unpack(self.unpackShort, self.minfile[pos:posl])[0]
[193]	210	elif length == 4 :
[317]	211	return 1 + length + size * unpack(self.unpackLong, self.minfile[pos:posl])[0]
[193]	212	else :
[316]	213	raise pdlparser.PDLParserError, "Error on array size at %x" % prevpos
[317]	214
	215	def array_8(self, prevpos) :
	216	"""Handles byte arrays."""
	217	return self.array_Generic(prevpos, 1)
[193]	218
[316]	219	def array_16(self, prevpos) :
[193]	220	"""Handles byte arrays."""
[317]	221	return self.array_Generic(prevpos, 2)
[193]	222
[316]	223	def array_32(self, prevpos) :
[193]	224	"""Handles byte arrays."""
[317]	225	return self.array_Generic(prevpos, 4)
[193]	226
[316]	227	def embeddedDataSmall(self, prevpos) :
[193]	228	"""Handle small amounts of data."""
[316]	229	return 1 + ord(self.minfile[prevpos])
[193]	230
[316]	231	def embeddedData(self, prevpos) :
[193]	232	"""Handle normal amounts of data."""
[316]	233	return 4 + unpack(self.unpackLong, self.minfile[prevpos:prevpos+4])[0]
[193]	234
[316]	235	def littleEndian(self, prevpos) :
[193]	236	"""Toggles to little endianness."""
[316]	237	self.unpackShort = "<H"
	238	self.unpackLong = "<I"
[193]	239	return 0
	240
[316]	241	def bigEndian(self, prevpos) :
[193]	242	"""Toggles to big endianness."""
[316]	243	self.unpackShort = ">H"
	244	self.unpackLong = ">I"
[193]	245	return 0
	246
[316]	247	def reservedForFutureUse(self, prevpos) :
[245]	248	"""Outputs something when a reserved byte is encountered."""
[316]	249	self.logdebug("Byte at %x is out of the PCLXL Protocol Class 2.0 Specification" % prevpos)
[245]	250	return 0
	251
[316]	252	def x46_class3(self, prevpos) :
[310]	253	"""Undocumented tag 0x46 in class 3.0 streams."""
[316]	254	pos = prevpos
[309]	255	minfile = self.minfile
	256	while pos > 0 : # safety check : don't go back to far !
	257	val = ord(minfile[pos])
	258	if (val == 0xf8) and (ord(minfile[pos+1]) in (0x95, 0x96)) :
	259	pos += 2
[317]	260	datatype = ord(self.minfile[pos])
	261	if datatype == 0x46 :
[309]	262	break
	263	pos += 1
[317]	264	length = self.tags[datatype]
[309]	265	posl = pos + length
	266	if length == 1 :
[310]	267	return unpack("B", self.minfile[pos:posl])[0]
[309]	268	elif length == 2 :
[316]	269	return unpack(self.unpackShort, self.minfile[pos:posl])[0]
[309]	270	elif length == 4 :
[316]	271	return unpack(self.unpackLong, self.minfile[pos:posl])[0]
[309]	272	else :
[316]	273	raise pdlparser.PDLParserError, "Error on size at %x" % prevpos
[309]	274	else :
[312]	275	pos -= 1
[309]	276	return 0
	277
[316]	278	def escape(self, prevpos) :
[245]	279	"""Handles the ESC code."""
[316]	280	pos = endpos = prevpos
[314]	281	minfile = self.minfile
	282	if minfile[pos : pos+8] == r"%-12345X" :
[245]	283	endpos = pos + 9
[252]	284	endmark = chr(0x0c) + chr(0x00) + chr(0x1b)
[246]	285	asciilimit = chr(0x80)
[269]	286	quotes = 0
[314]	287	while (minfile[endpos] not in endmark) and \
	288	((minfile[endpos] < asciilimit) or (quotes % 2)) :
	289	if minfile[endpos] == '"' :
[269]	290	quotes += 1
[245]	291	endpos += 1
	292
	293	# Store this in a per page mapping.
	294	# NB : First time will be at page 0 (i.e. before page 1) !
	295	stuff = self.escapedStuff.setdefault(self.pagecount, [])
[314]	296	stuff.append(minfile[pos : endpos])
	297	self.logdebug("Escaped datas : [%s]" % repr(minfile[pos : endpos]))
[245]	298	return endpos - pos
	299
[316]	300	def skipKyoceraPrescribe(self, prevpos) :
[312]	301	"""Skips Kyocera Prescribe commands."""
[316]	302	pos = prevpos - 1
[312]	303	minfile = self.minfile
	304	if minfile[pos:pos+3] == "!R!" :
[316]	305	while (pos - prevpos) < 1024 : # This is a realistic upper bound, to avoid infinite loops
[312]	306	if (minfile[pos] == ";") and (minfile[pos-4:pos] == "EXIT") :
[314]	307	pos += 1
	308	prescribe = self.prescribeStuff.setdefault(self.pagecount, [])
[316]	309	prescribe.append(minfile[prevpos-1:pos])
	310	self.logdebug("Prescribe commands : [%s]" % repr(minfile[prevpos-1:pos]))
	311	return (pos - prevpos)
[312]	312	pos += 1
	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
[313]	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
[193]	511	infileno = self.infile.fileno()
[258]	512	self.pages = { 0 : { "copies" : 1,
	513	"orientation" : "Default",
	514	"mediatype" : "Plain",
	515	"mediasize" : "Default",
	516	"mediasource" : "Default",
[299]	517	"duplex" : None,
[258]	518	}
	519	}
[193]	520	self.minfile = minfile = mmap.mmap(infileno, os.fstat(infileno)[6], prot=mmap.PROT_READ, flags=mmap.MAP_SHARED)
	521	tags = self.tags
	522	self.pagecount = 0
[314]	523	self.escapedStuff = {} # For escaped datas, mostly PJL commands
	524	self.prescribeStuff = {} # For Kyocera Prescribe commands
[316]	525	pos = oldpos = 0
[193]	526	try :
[307]	527	try :
	528	while 1 :
	529	try :
[316]	530	tag = ord(minfile[pos])
[307]	531	except OverflowError :
	532	pos = oldpos + 1
	533	pos += 1
[316]	534	length = tags[tag]
[307]	535	if length :
	536	if callable(length) :
[316]	537	length = length(pos)
[307]	538	oldpos = pos
	539	pos += length
	540	except IndexError : # EOF ?
	541	pass
	542	finally :
	543	self.minfile.close()
[193]	544
	545	# now handle number of copies for each page (may differ).
[206]	546	if self.iscolor :
	547	colormode = "Color"
	548	else :
[253]	549	colormode = "BW"
[252]	550
[253]	551	defaultduplexmode = "Simplex"
	552	defaultpapersize = ""
[252]	553	defaultpjlcopies = 1
	554	oldpjlcopies = -1
[253]	555	oldduplexmode = ""
	556	oldpapersize = ""
[193]	557	for pnum in range(1, self.pagecount + 1) :
	558	# if no number of copies defined, take 1, as explained
	559	# in PCLXL documentation.
	560	# NB : is number of copies is 0, the page won't be output
	561	# but the formula below is still correct : we want
	562	# to decrease the total number of pages in this case.
[299]	563	page = self.pages.get(pnum, self.pages.get(1, { "copies" : 1, "mediasize" : "Default", "duplex" : None }))
[266]	564	pjlstuff = self.escapedStuff.get(pnum, self.escapedStuff.get(0, []))
[252]	565	if pjlstuff :
	566	pjlparser = pjl.PJLParser("".join(pjlstuff))
	567	nbdefaultcopies = int(pjlparser.default_variables.get("COPIES", -1))
	568	nbcopies = int(pjlparser.environment_variables.get("COPIES", -1))
	569	nbdefaultqty = int(pjlparser.default_variables.get("QTY", -1))
	570	nbqty = int(pjlparser.environment_variables.get("QTY", -1))
	571	if nbdefaultcopies > -1 :
	572	defaultpjlcopies = nbdefaultcopies
	573	if nbdefaultqty > -1 :
	574	defaultpjlcopies = nbdefaultqty
	575	if nbcopies > -1 :
[253]	576	pjlcopies = nbcopies
[252]	577	elif nbqty > -1 :
[253]	578	pjlcopies = nbqty
[252]	579	else :
	580	if oldpjlcopies == -1 :
[253]	581	pjlcopies = defaultpjlcopies
	582	else :
	583	pjlcopies = oldpjlcopies
[299]	584	if page["duplex"] :
	585	duplexmode = page["duplex"]
	586	else :
	587	defaultdm = pjlparser.default_variables.get("DUPLEX", "")
	588	if defaultdm :
	589	if defaultdm.upper() == "ON" :
	590	defaultduplexmode = "Duplex"
	591	else :
	592	defaultduplexmode = "Simplex"
	593	envdm = pjlparser.environment_variables.get("DUPLEX", "")
	594	if envdm :
	595	if envdm.upper() == "ON" :
	596	duplexmode = "Duplex"
	597	else :
	598	duplexmode = "Simplex"
	599	else :
	600	if not oldduplexmode :
	601	duplexmode = defaultduplexmode
	602	else :
	603	duplexmode = oldduplexmode
[253]	604	defaultps = pjlparser.default_variables.get("PAPER", "")
	605	if defaultps :
	606	defaultpapersize = defaultps
	607	envps = pjlparser.environment_variables.get("PAPER", "")
	608	if envps :
	609	papersize = envps
	610	else :
	611	if not oldpapersize :
	612	papersize = defaultpapersize
	613	else :
	614	papersize = oldpapersize
[252]	615	else :
	616	if oldpjlcopies == -1 :
	617	pjlcopies = defaultpjlcopies
	618	else :
	619	pjlcopies = oldpjlcopies
[253]	620	if not oldduplexmode :
	621	duplexmode = defaultduplexmode
	622	else :
	623	duplexmode = oldduplexmode
	624	if not oldpapersize :
	625	papersize = defaultpapersize
	626	else :
	627	papersize = oldpapersize
	628	duplexmode = oldduplexmode
	629	papersize = oldpapersize or page["mediasize"]
	630	if page["mediasize"] != "Default" :
	631	papersize = page["mediasize"]
	632	if not duplexmode :
	633	duplexmode = oldduplexmode or defaultduplexmode
	634	oldpjlcopies = pjlcopies
	635	oldduplexmode = duplexmode
	636	oldpapersize = papersize
[252]	637	copies = pjlcopies * page["copies"]
[193]	638	self.pagecount += (copies - 1)
[253]	639	self.logdebug("%s%s%s%s%s%s%s" % (copies,
[252]	640	page["mediatype"],
[253]	641	papersize,
[252]	642	page["orientation"],
	643	page["mediasource"],
[253]	644	duplexmode,
[252]	645	colormode))
[193]	646	return self.pagecount
	647
	648	def test() :
	649	"""Test function."""
[196]	650	if (len(sys.argv) < 2) or ((not sys.stdin.isatty()) and ("-" not in sys.argv[1:])) :
	651	sys.argv.append("-")
	652	totalsize = 0
	653	for arg in sys.argv[1:] :
	654	if arg == "-" :
	655	infile = sys.stdin
	656	mustclose = 0
	657	else :
	658	infile = open(arg, "rb")
	659	mustclose = 1
	660	try :
[220]	661	parser = Parser(infile, debug=1)
[196]	662	totalsize += parser.getJobSize()
[200]	663	except pdlparser.PDLParserError, msg :
[196]	664	sys.stderr.write("ERROR: %s\n" % msg)
	665	sys.stderr.flush()
	666	if mustclose :
	667	infile.close()
	668	print "%s" % totalsize
[193]	669
	670	if __name__ == "__main__" :
	671	test()

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