def set_parser(self, parser):
"Set the document to use a given PDFParser object."
if self._parser: return
self._parser = parser
# Retrieve the information of each header that was appended
# (maybe multiple times) at the end of the document.
self.xrefs = parser.read_xref()
for xref in self.xrefs:
trailer = xref.get_trailer()
if not trailer: continue
# If there's an encryption info, remember it.
if 'Encrypt' in trailer:
#assert not self.encryption
self.encryption = (list_value(trailer['ID']),
dict_value(trailer['Encrypt']))
if 'Info' in trailer:
self.info.append(dict_value(trailer['Info']))
if 'Root' in trailer:
# Every PDF file must have exactly one /Root dictionary.
self.catalog = dict_value(trailer['Root'])
break
else:
raise PDFSyntaxError('No /Root object! - Is this really a PDF?')
if self.catalog.get('Type') is not LITERAL_CATALOG:
if STRICT:
raise PDFSyntaxError('Catalog not found!')
return
def init_resources(self, resources):
self.fontmap = {}
self.xobjmap = {}
self.csmap = PREDEFINED_COLORSPACE.copy()
if not resources: return
def get_colorspace(spec):
if isinstance(spec, list):
name = literal_name(spec[0])
else:
name = literal_name(spec)
if name == 'ICCBased' and isinstance(spec, list) and 2 <= len(spec):
return PDFColorSpace(name, stream_value(spec[1])['N'])
elif name == 'DeviceN' and isinstance(spec, list) and 2 <= len(spec):
return PDFColorSpace(name, len(list_value(spec[1])))
else:
return PREDEFINED_COLORSPACE[name]
for (k,v) in dict_value(resources).iteritems():
if 1 <= self.debug:
print >>stderr, 'Resource: %r: %r' % (k,v)
if k == 'Font':
for (fontid,spec) in dict_value(v).iteritems():
objid = None
if isinstance(spec, PDFObjRef):
objid = spec.objid
spec = dict_value(spec)
self.fontmap[fontid] = self.rsrc.get_font(objid, spec)
elif k == 'ColorSpace':
for (csid,spec) in dict_value(v).iteritems():
self.csmap[csid] = get_colorspace(resolve1(spec))
elif k == 'ProcSet':
self.rsrc.get_procset(list_value(v))
elif k == 'XObject':
for (xobjid,xobjstrm) in dict_value(v).iteritems():
self.xobjmap[xobjid] = xobjstrm
return
def lookup_name(self, cat, key):
try:
names = dict_value(self.catalog['Names'])
except (PDFTypeError, KeyError):
raise KeyError((cat, key))
# may raise KeyError
d0 = dict_value(names[cat])
def lookup(d):
if 'Limits' in d:
(k1, k2) = list_value(d['Limits'])
if key < k1 or k2 < key:
return None
if 'Names' in d:
objs = list_value(d['Names'])
names = dict(choplist(2, objs))
return names[key]
if 'Kids' in d:
for c in list_value(d['Kids']):
v = lookup(dict_value(c))
if v:
return v
raise KeyError((cat, key))
return lookup(d0)
def set_parser(self, parser):
"Set the document to use a given PDFParser object."
if self.parser: return
self.parser = parser
# The document is set to be temporarily ready during collecting
# all the basic information about the document, e.g.
# the header, the encryption information, and the access rights
# for the document.
self._initialized = True
# Retrieve the information of each header that was appended
# (maybe multiple times) at the end of the document.
self.xrefs = parser.read_xref()
for xref in self.xrefs:
trailer = xref.get_trailer()
if not trailer: continue
# If there's an encryption info, remember it.
if 'Encrypt' in trailer:
#assert not self.encryption
self.encryption = (list_value(trailer['ID']),
dict_value(trailer['Encrypt']))
if 'Root' in trailer:
self.set_root(dict_value(trailer['Root']))
break
else:
raise PDFSyntaxError('No /Root object! - Is this really a PDF?')
# The document is set to be non-ready again, until all the
# proper initialization (asking the password key and
# verifying the access permission, so on) is finished.
self._initialized = False
return
def init_resources(self, resources):
self.fontmap = {}
self.xobjmap = {}
self.csmap = PREDEFINED_COLORSPACE.copy()
if not resources: return
def get_colorspace(spec):
if isinstance(spec, list):
name = literal_name(spec[0])
else:
name = literal_name(spec)
if name == 'ICCBased' and isinstance(spec, list) and 2 <= len(spec):
return PDFColorSpace(name, stream_value(spec[1])['N'])
elif name == 'DeviceN' and isinstance(spec, list) and 2 <= len(spec):
return PDFColorSpace(name, len(list_value(spec[1])))
else:
return PREDEFINED_COLORSPACE[name]
for (k,v) in dict_value(resources).iteritems():
if 1 <= self.debug:
print >>stderr, 'Resource: %r: %r' % (k,v)
if k == 'Font':
for (fontid,spec) in dict_value(v).iteritems():
objid = None
if isinstance(spec, PDFObjRef):
objid = spec.objid
spec = dict_value(spec)
self.fontmap[fontid] = self.rsrc.get_font(objid, spec)
elif k == 'ColorSpace':
for (csid,spec) in dict_value(v).iteritems():
self.csmap[csid] = get_colorspace(resolve1(spec))
elif k == 'ProcSet':
self.rsrc.get_procset(list_value(v))
elif k == 'XObject':
for (xobjid,xobjstrm) in dict_value(v).iteritems():
self.xobjmap[xobjid] = xobjstrm
return
def set_parser(self, parser):
"Set the document to use a given PDFParser object."
if self.parser: return
self.parser = parser
# The document is set to be temporarily ready during collecting
# all the basic information about the document, e.g.
# the header, the encryption information, and the access rights
# for the document.
self._initialized = True
# Retrieve the information of each header that was appended
# (maybe multiple times) at the end of the document.
self.xrefs = parser.read_xref()
for xref in self.xrefs:
trailer = xref.get_trailer()
if not trailer: continue
# If there's an encryption info, remember it.
if 'Encrypt' in trailer:
#assert not self.encryption
self.encryption = (list_value(trailer['ID']),
dict_value(trailer['Encrypt']))
if 'Root' in trailer:
self.set_root(dict_value(trailer['Root']))
break
else:
raise PDFSyntaxError('No /Root object! - Is this really a PDF?')
# The document is set to be non-ready again, until all the
# proper initialization (asking the password key and
# verifying the access permission, so on) is finished.
self._initialized = False
return
def __init__(self, parser, password='', caching=True, fallback=True, dbg=False):
if dbg:
print 'PDFDocument() debugging enabled'
debug = 3
"Set the document to use a given PDFParser object."
self.caching = caching
self.eof_distance = 0
self.found_eof = False
self.xrefs = []
self.info = []
self.errors = []
self.catalog = None
self.encryption = None
self.decipher = None
self._parser = None
self._cached_objs = {}
self._parsed_objs = {}
self._parser = parser
self._parser.set_document(self)
self.is_printable = self.is_modifiable = self.is_extractable = True
# Retrieve the information of each header that was appended
# (maybe multiple times) at the end of the document.
try:
pos = self.find_xref(parser)
self.read_xref_from(parser, pos, self.xrefs)
except PDFNoValidXRef:
fallback = True
except PSEOF:
self.errors.append(
"<PDFMiner><PDFDocument><__init__>Error reading xref table: Possible malformed table</__init__></PDFDocument></PDFMiner>")
if fallback:
parser.fallback = True
xref = PDFXRefFallback()
xref.load(parser)
self.xrefs.append(xref)
for xref in self.xrefs:
trailer = xref.get_trailer()
if not trailer:
continue
# If there's an encryption info, remember it.
if 'Encrypt' in trailer:
# assert not self.encryption
self.encryption = (list_value(trailer['ID']),
dict_value(trailer['Encrypt']))
self._initialize_password(password)
if 'Info' in trailer:
self.info.append(dict_value(trailer['Info']))
if 'Root' in trailer:
# Every PDF file must have exactly one /Root dictionary.
self.catalog = dict_value(trailer['Root'])
break
# else:
# raise PDFSyntaxError('No /Root object! - Is this really a PDF?')
if self.catalog and self.catalog.get('Type') is not LITERAL_CATALOG:
if STRICT:
raise PDFSyntaxError('Catalog not found!')
return
def do_Do(self, xobjid):
xobjid = literal_name(xobjid)
try:
xobj = stream_value(self.xobjmap[xobjid])
except KeyError:
if STRICT:
raise PDFInterpreterError('Undefined xobject id: %r' % xobjid)
return
if 1 <= self.debug:
print >> stderr, 'Processing xobj: %r' % xobj
subtype = xobj.dic.get('Subtype')
if subtype is LITERAL_FORM and 'BBox' in xobj.dic:
interpreter = self.dup()
(x0, y0, x1, y1) = list_value(xobj.dic['BBox'])
ctm = mult_matrix(
list_value(xobj.dic.get('Matrix', MATRIX_IDENTITY)), self.ctm)
(x0, y0) = apply_matrix(ctm, (x0, y0))
(x1, y1) = apply_matrix(ctm, (x1, y1))
bbox = (x0, y0, x1, y1)
self.device.begin_figure(xobjid, bbox)
interpreter.render_contents(dict_value(xobj.dic.get('Resources')),
[xobj],
ctm=ctm)
self.device.end_figure(xobjid)
elif subtype is LITERAL_IMAGE and 'Width' in xobj.dic and 'Height' in xobj.dic:
(x0, y0) = apply_matrix(self.ctm, (0, 0))
(x1, y1) = apply_matrix(self.ctm, (1, 1))
self.device.begin_figure(xobjid, (x0, y0, x1, y1))
(w, h) = (xobj.dic['Width'], xobj.dic['Height'])
self.device.render_image(xobj, (w, h), self.ctm)
self.device.end_figure(xobjid)
else:
# unsupported xobject type.
pass
return
def do_Do(self, xobjid):
xobjid = literal_name(xobjid)
try:
xobj = stream_value(self.xobjmap[xobjid])
except KeyError:
if STRICT:
raise PDFInterpreterError('Undefined xobject id: %r' % xobjid)
return
if 1 <= self.debug:
print >>stderr, 'Processing xobj: %r' % xobj
subtype = xobj.get('Subtype')
if subtype is LITERAL_FORM and 'BBox' in xobj:
interpreter = self.dup()
bbox = list_value(xobj['BBox'])
matrix = list_value(xobj.get('Matrix', MATRIX_IDENTITY))
self.device.begin_figure(xobjid, bbox, matrix)
interpreter.render_contents(dict_value(xobj.get('Resources')), [xobj], ctm=mult_matrix(matrix, self.ctm))
self.device.end_figure(xobjid)
elif subtype is LITERAL_IMAGE and 'Width' in xobj and 'Height' in xobj:
self.device.begin_figure(xobjid, (0,0,1,1), MATRIX_IDENTITY)
self.device.render_image(xobjid, xobj)
self.device.end_figure(xobjid)
else:
# unsupported xobject type.
pass
return
def set_root(self, root):
self.root = root
self.catalog = dict_value(self.root)
if self.catalog.get('Type') is not LITERAL_CATALOG:
if STRICT:
raise PDFSyntaxError('Catalog not found!')
return
def __init__(self, doc, pageid, attrs):
"""Initialize a page object.
doc: a PDFDocument object.
pageid: any Python object that can uniquely identify the page.
attrs: a dictionary of page attributes.
"""
self.doc = doc
self.pageid = pageid
self.attrs = dict_value(attrs)
self.lastmod = resolve1(self.attrs.get('LastModified'))
self.resources = resolve1(self.attrs['Resources'])
self.mediabox = resolve1(self.attrs['MediaBox'])
if 'CropBox' in self.attrs:
self.cropbox = resolve1(self.attrs['CropBox'])
else:
self.cropbox = self.mediabox
self.rotate = (self.attrs.get('Rotate', 0)+360) % 360
self.annots = self.attrs.get('Annots')
self.beads = self.attrs.get('B')
if 'Contents' in self.attrs:
contents = resolve1(self.attrs['Contents'])
else:
contents = []
if not isinstance(contents, list):
contents = [ contents ]
self.contents = contents
return
def do_Do(self, xobjid):
xobjid = literal_name(xobjid)
try:
xobj = stream_value(self.xobjmap[xobjid])
except KeyError:
if STRICT:
raise PDFInterpreterError("Undefined xobject id: %r" % xobjid)
return
if 1 <= self.debug:
print >> stderr, "Processing xobj: %r" % xobj
subtype = xobj.dic.get("Subtype")
if subtype is LITERAL_FORM and "BBox" in xobj.dic:
interpreter = self.dup()
(x0, y0, x1, y1) = list_value(xobj.dic["BBox"])
ctm = mult_matrix(list_value(xobj.dic.get("Matrix", MATRIX_IDENTITY)), self.ctm)
(x0, y0) = apply_matrix(ctm, (x0, y0))
(x1, y1) = apply_matrix(ctm, (x1, y1))
bbox = (x0, y0, x1, y1)
self.device.begin_figure(xobjid, bbox)
interpreter.render_contents(dict_value(xobj.dic.get("Resources")), [xobj], ctm=ctm)
self.device.end_figure(xobjid)
elif subtype is LITERAL_IMAGE and "Width" in xobj.dic and "Height" in xobj.dic:
(x0, y0) = apply_matrix(self.ctm, (0, 0))
(x1, y1) = apply_matrix(self.ctm, (1, 1))
self.device.begin_figure(xobjid, (x0, y0, x1, y1))
(w, h) = (xobj.dic["Width"], xobj.dic["Height"])
self.device.render_image(xobj, (w, h), self.ctm)
self.device.end_figure(xobjid)
else:
# unsupported xobject type.
pass
return
def do_Do(self, xobjid):
xobjid = literal_name(xobjid)
try:
xobj = stream_value(self.xobjmap[xobjid])
except KeyError:
if STRICT:
raise PDFInterpreterError('Undefined xobject id: %r' % xobjid)
return
if 1 <= self.debug:
print >>sys.stderr, 'Processing xobj: %r' % xobj
subtype = xobj.get('Subtype')
if subtype is LITERAL_FORM and 'BBox' in xobj:
interpreter = self.dup()
bbox = list_value(xobj['BBox'])
matrix = list_value(xobj.get('Matrix', MATRIX_IDENTITY))
# According to PDF reference 1.7 section 4.9.1, XObjects in
# earlier PDFs (prior to v1.2) use the page's Resources entry
# instead of having their own Resources entry.
resources = dict_value(xobj.get('Resources')) or self.resources.copy()
self.device.begin_figure(xobjid, bbox, matrix)
interpreter.render_contents(resources, [xobj], ctm=mult_matrix(matrix, self.ctm))
self.device.end_figure(xobjid)
elif subtype is LITERAL_IMAGE and 'Width' in xobj and 'Height' in xobj:
self.device.begin_figure(xobjid, (0,0,1,1), MATRIX_IDENTITY)
self.device.render_image(xobjid, xobj)
self.device.end_figure(xobjid)
else:
# unsupported xobject type.
pass
return
def do_Do(self, xobjid):
xobjid = literal_name(xobjid)
try:
xobj = stream_value(self.xobjmap[xobjid])
except KeyError:
if STRICT:
raise PDFInterpreterError('Undefined xobject id: %r' % xobjid)
return
if 1 <= self.debug:
print >>stderr, 'Processing xobj: %r' % xobj
subtype = xobj.get('Subtype')
if subtype is LITERAL_FORM and 'BBox' in xobj:
interpreter = self.dup()
bbox = list_value(xobj['BBox'])
matrix = list_value(xobj.get('Matrix', MATRIX_IDENTITY))
self.device.begin_figure(xobjid, bbox, matrix)
interpreter.render_contents(dict_value(xobj.get('Resources')), [xobj], ctm=mult_matrix(matrix, self.ctm))
self.device.end_figure(xobjid)
elif subtype is LITERAL_IMAGE and 'Width' in xobj and 'Height' in xobj:
self.device.begin_figure(xobjid, (0,0,1,1), MATRIX_IDENTITY)
self.device.render_image(xobjid, xobj)
self.device.end_figure(xobjid)
else:
# unsupported xobject type.
pass
return
def __init__(self, doc, pageid, attrs):
"""Initialize a page object.
doc: a PDFDocument object.
pageid: any Python object that can uniquely identify the page.
attrs: a dictionary of page attributes.
"""
self.doc = doc
self.pageid = pageid
self.attrs = dict_value(attrs)
self.lastmod = resolve1(self.attrs.get("LastModified"))
self.resources = resolve1(self.attrs["Resources"])
self.mediabox = resolve1(self.attrs["MediaBox"])
if "CropBox" in self.attrs:
self.cropbox = resolve1(self.attrs["CropBox"])
else:
self.cropbox = self.mediabox
self.rotate = (int_value(self.attrs.get("Rotate", 0)) + 360) % 360
self.annots = self.attrs.get("Annots")
self.beads = self.attrs.get("B")
if "Contents" in self.attrs:
contents = resolve1(self.attrs["Contents"])
else:
contents = []
if not isinstance(contents, list):
contents = [contents]
self.contents = contents
return
def do_Do(self, xobjid):
xobjid = literal_name(xobjid)
try:
xobj = stream_value(self.xobjmap[xobjid])
except KeyError:
if STRICT:
raise PDFInterpreterError('Undefined xobject id: %r' % xobjid)
return
if 1 <= self.debug:
print >>sys.stderr, 'Processing xobj: %r' % xobj
subtype = xobj.get('Subtype')
if subtype is LITERAL_FORM and 'BBox' in xobj:
interpreter = self.dup()
bbox = list_value(xobj['BBox'])
matrix = list_value(xobj.get('Matrix', MATRIX_IDENTITY))
# According to PDF reference 1.7 section 4.9.1, XObjects in
# earlier PDFs (prior to v1.2) use the page's Resources entry
# instead of having their own Resources entry.
resources = dict_value(xobj.get('Resources')) or self.resources.copy()
self.device.begin_figure(xobjid, bbox, matrix)
interpreter.render_contents(resources, [xobj], ctm=mult_matrix(matrix, self.ctm))
self.device.end_figure(xobjid)
elif subtype is LITERAL_IMAGE and 'Width' in xobj and 'Height' in xobj:
self.device.begin_figure(xobjid, (0,0,1,1), MATRIX_IDENTITY)
self.device.render_image(xobjid, xobj)
self.device.end_figure(xobjid)
else:
# unsupported xobject type.
pass
return
def set_root(self, root):
self.root = root
self.catalog = dict_value(self.root)
if self.catalog.get('Type') is not LITERAL_CATALOG:
if STRICT:
raise PDFSyntaxError('Catalog not found!')
return
def do_keyword(self, pos, token):
"""Handles PDF-related keywords."""
if token in (self.KEYWORD_XREF, self.KEYWORD_STARTXREF):
self.add_results(*self.pop(1))
elif token is self.KEYWORD_ENDOBJ:
self.add_results(*self.pop(4))
elif token is self.KEYWORD_NULL:
# null object
self.push((pos, None))
elif token is self.KEYWORD_R:
# reference to indirect object
try:
((_, objid), (_, genno)) = self.pop(2)
(objid, genno) = (int(objid), int(genno))
obj = PDFObjRef(self.doc, objid, genno)
self.push((pos, obj))
except PSSyntaxError:
pass
elif token is self.KEYWORD_STREAM:
# stream object
((_, dic),) = self.pop(1)
dic = dict_value(dic)
objlen = 0
if not self.fallback:
try:
objlen = int_value(dic['Length'])
except KeyError:
handle_error(PDFSyntaxError, '/Length is undefined: %r' % dic)
self.seek(pos)
try:
(_, line) = self.nextline() # 'stream'
except PSEOF:
handle_error(PDFSyntaxError, 'Unexpected EOF')
return
pos += len(line)
self.fp.seek(pos)
data = self.fp.read(objlen)
self.seek(pos + objlen)
while 1:
try:
(linepos, line) = self.nextline()
except PSEOF:
handle_error(PDFSyntaxError, 'Unexpected EOF')
break
if 'endstream' in line:
i = line.index('endstream')
objlen += i
data += line[:i]
break
objlen += len(line)
data += line
self.seek(pos+objlen)
# XXX limit objlen not to exceed object boundary
log.debug('Stream: pos=%d, objlen=%d, dic=%r, data=%r...', pos, objlen, dic, data[:10])
obj = PDFStream(dic, data, self.doc.decipher)
self.push((pos, obj))
else:
# others
self.push((pos, token))
def __init__(self, parser, caching=True, fallback=True):
"Set the document to use a given PDFParser object."
self.caching = caching
self.xrefs = []
self.info = []
self.catalog = None
self.encryption = None
self.decipher = None
self._parser = None
self._cached_objs = {}
self._parsed_objs = {}
self._parser = parser
self._parser.set_document(self)
# Retrieve the information of each header that was appended
# (maybe multiple times) at the end of the document.
try:
pos = self.find_xref(parser)
self.read_xref_from(parser, pos, self.xrefs)
except PDFNoValidXRef:
fallback = True
if fallback:
parser.fallback = True
xref = PDFXRefFallback()
xref.load(parser)
self.xrefs.append(xref)
for xref in self.xrefs:
trailer = xref.get_trailer()
if not trailer:
continue
# If there's an encryption info, remember it.
if 'Encrypt' in trailer:
#assert not self.encryption
self.encryption = (list_value(trailer['ID']),
dict_value(trailer['Encrypt']))
if 'Info' in trailer:
self.info.append(dict_value(trailer['Info']))
if 'Root' in trailer:
# Every PDF file must have exactly one /Root dictionary.
self.catalog = dict_value(trailer['Root'])
break
else:
raise PDFSyntaxError('No /Root object! - Is this really a PDF?')
if self.catalog.get('Type') is not LITERAL_CATALOG:
if STRICT:
raise PDFSyntaxError('Catalog not found!')
return
def __init__(self, parser, caching=True, fallback=True):
"Set the document to use a given PDFParser object."
self.caching = caching
self.xrefs = []
self.info = []
self.catalog = None
self.encryption = None
self.decipher = None
self._parser = None
self._cached_objs = {}
self._parsed_objs = {}
self._parser = parser
self._parser.set_document(self)
# Retrieve the information of each header that was appended
# (maybe multiple times) at the end of the document.
try:
pos = self.find_xref(parser)
self.read_xref_from(parser, pos, self.xrefs)
except PDFNoValidXRef:
fallback = True
if fallback:
parser.fallback = True
xref = PDFXRefFallback()
xref.load(parser)
self.xrefs.append(xref)
for xref in self.xrefs:
trailer = xref.get_trailer()
if not trailer:
continue
# If there's an encryption info, remember it.
if 'Encrypt' in trailer:
#assert not self.encryption
self.encryption = (list_value(trailer['ID']),
dict_value(trailer['Encrypt']))
if 'Info' in trailer:
self.info.append(dict_value(trailer['Info']))
if 'Root' in trailer:
# Every PDF file must have exactly one /Root dictionary.
self.catalog = dict_value(trailer['Root'])
break
else:
raise PDFSyntaxError('No /Root object! - Is this really a PDF?')
if self.catalog.get('Type') is not LITERAL_CATALOG:
if STRICT:
raise PDFSyntaxError('Catalog not found!')
return
def search(obj, parent):
if isinstance(obj, int):
objid = obj
tree = dict_value(document.getobj(objid)).copy()
else:
objid = obj.objid
tree = dict_value(obj).copy()
for (k, v) in parent.iteritems():
if k in klass.INHERITABLE_ATTRS and k not in tree:
tree[k] = v
if tree.get('Type') is LITERAL_PAGES and 'Kids' in tree:
logging.info('Pages: Kids=%r' % tree['Kids'])
for c in list_value(tree['Kids']):
for x in search(c, tree):
yield x
elif tree.get('Type') is LITERAL_PAGE:
logging.info('Page: %r' % tree)
yield (objid, tree)
def search(obj, parent):
if isinstance(obj, int):
objid = obj
tree = dict_value(self.getobj(objid)).copy()
else:
objid = obj.objid
tree = dict_value(obj).copy()
for (k,v) in parent.iteritems():
if k in self.INHERITABLE_ATTRS and k not in tree:
tree[k] = v
if tree.get('Type') is LITERAL_PAGES and 'Kids' in tree:
if 1 <= self.debug:
print >>sys.stderr, 'Pages: Kids=%r' % tree['Kids']
for c in list_value(tree['Kids']):
for x in search(c, tree):
yield x
elif tree.get('Type') is LITERAL_PAGE:
if 1 <= self.debug:
print >>sys.stderr, 'Page: %r' % tree
yield (objid, tree)
def load_trailer(self, parser):
try:
(_, kwd) = parser.nexttoken()
assert kwd is self.KEYWORD_TRAILER
(_, dic) = parser.nextobject()
except PSEOF:
x = parser.pop(1)
if not x:
raise PDFNoValidXRef('Unexpected EOF - file corrupted')
(_, dic) = x[0]
self.trailer.update(dict_value(dic))
def search(obj, parent):
if isinstance(obj, int):
objid = obj
tree = dict_value(document.getobj(objid)).copy()
else:
objid = obj.objid
tree = dict_value(obj).copy()
for (k, v) in parent.iteritems():
if k in klass.INHERITABLE_ATTRS and k not in tree:
tree[k] = v
if tree.get("Type") is LITERAL_PAGES and "Kids" in tree:
if 1 <= debug:
print >>sys.stderr, "Pages: Kids=%r" % tree["Kids"]
for c in list_value(tree["Kids"]):
for x in search(c, tree):
yield x
elif tree.get("Type") is LITERAL_PAGE:
if 1 <= debug:
print >>sys.stderr, "Page: %r" % tree
yield (objid, tree)
def load_trailer(self, parser):
try:
(_, kwd) = parser.nexttoken()
assert kwd is self.KEYWORD_TRAILER
(_, dic) = parser.nextobject()
except PSEOF:
x = parser.pop(1)
if not x:
raise PDFNoValidXRef('Unexpected EOF - file corrupted')
(_, dic) = x[0]
self.trailer.update(dict_value(dic))
return
class PDFCIDFont(PDFFont):
def __init__(self, rsrcmgr, spec):
try:
self.basefont = literal_name(spec['BaseFont'])
except KeyError:
if STRICT:
raise PDFFontError('BaseFont is missing')
self.basefont = 'unknown'
self.cidsysteminfo = dict_value(spec.get('CIDSystemInfo', {}))
self.cidcoding = '%s-%s' % (self.cidsysteminfo.get(
'Registry',
'unknown'), self.cidsysteminfo.get('Ordering', 'unknown'))
try:
name = literal_name(spec['Encoding'])
except KeyError:
if STRICT:
raise PDFFontError('Encoding is unspecified')
name = 'unknown'
try:
self.cmap = CMapDB.get_cmap(name)
except CMapDB.CMapNotFound, e:
if STRICT:
raise PDFFontError(e)
self.cmap = CMap()
try:
descriptor = dict_value(spec['FontDescriptor'])
except KeyError:
if STRICT:
raise PDFFontError('FontDescriptor is missing')
descriptor = {}
ttf = None
if 'FontFile2' in descriptor:
self.fontfile = stream_value(descriptor.get('FontFile2'))
ttf = TrueTypeFont(self.basefont,
StringIO(self.fontfile.get_data()))
self.unicode_map = None
if 'ToUnicode' in spec:
strm = stream_value(spec['ToUnicode'])
self.unicode_map = FileUnicodeMap()
CMapParser(self.unicode_map, StringIO(strm.get_data())).run()
elif self.cidcoding in ('Adobe-Identity', 'Adobe-UCS'):
if ttf:
try:
self.unicode_map = ttf.create_unicode_map()
except TrueTypeFont.CMapNotFound:
pass
else:
try:
self.unicode_map = CMapDB.get_unicode_map(
self.cidcoding, self.cmap.is_vertical())
except CMapDB.CMapNotFound, e:
pass
def init_resources(self, resources):
self.resources = resources
self.fontmap = {}
self.xobjmap = {}
self.csmap = PREDEFINED_COLORSPACE.copy()
if not resources:
return
def get_colorspace(spec):
if isinstance(spec, list):
name = literal_name(spec[0])
else:
name = literal_name(spec)
if name == "ICCBased" and isinstance(spec, list) and 2 <= len(spec):
return PDFColorSpace(name, stream_value(spec[1])["N"])
elif name == "DeviceN" and isinstance(spec, list) and 2 <= len(spec):
return PDFColorSpace(name, len(list_value(spec[1])))
else:
return PREDEFINED_COLORSPACE.get(name)
for (k, v) in dict_value(resources).iteritems():
if 2 <= self.debug:
print >>sys.stderr, "Resource: %r: %r" % (k, v)
if k == "Font":
for (fontid, spec) in dict_value(v).iteritems():
objid = None
if isinstance(spec, PDFObjRef):
objid = spec.objid
spec = dict_value(spec)
self.fontmap[fontid] = self.rsrcmgr.get_font(objid, spec)
elif k == "ColorSpace":
for (csid, spec) in dict_value(v).iteritems():
self.csmap[csid] = get_colorspace(resolve1(spec))
elif k == "ProcSet":
self.rsrcmgr.get_procset(list_value(v))
elif k == "XObject":
for (xobjid, xobjstrm) in dict_value(v).iteritems():
self.xobjmap[xobjid] = xobjstrm
return
def get_dest(self, name):
try:
# PDF-1.2 or later
obj = self.lookup_name('Dests', name)
except KeyError:
# PDF-1.1 or prior
if 'Dests' not in self.catalog:
raise PDFDestinationNotFound(name)
d0 = dict_value(self.catalog['Dests'])
if name not in d0:
raise PDFDestinationNotFound(name)
obj = d0[name]
return obj
def lookup(d):
if 'Limits' in d:
(k1,k2) = list_value(d['Limits'])
if key < k1 or k2 < key: return None
if 'Names' in d:
objs = list_value(d['Names'])
names = dict(choplist(2, objs))
return names[key]
if 'Kids' in d:
for c in list_value(d['Kids']):
v = lookup(dict_value(c))
if v: return v
raise KeyError((cat,key))
def lookup(d):
if 'Limits' in d:
(k1, k2) = list_value(d['Limits'])
if key < k1 or k2 < key: return None
if 'Names' in d:
objs = list_value(d['Names'])
names = dict(choplist(2, objs))
return names[key]
if 'Kids' in d:
for c in list_value(d['Kids']):
v = lookup(dict_value(c))
if v: return v
raise KeyError((cat, key))
def get_dest(self, name):
try:
# PDF-1.2 or later
obj = self.lookup_name('Dests', name)
except KeyError:
# PDF-1.1 or prior
if 'Dests' not in self.catalog:
raise PDFDestinationNotFound(name)
d0 = dict_value(self.catalog['Dests'])
if name not in d0:
raise PDFDestinationNotFound(name)
obj = d0[name]
return obj
def __init__(self, rsrcmgr, spec):
firstchar = int_value(spec.get("FirstChar", 0))
lastchar = int_value(spec.get("LastChar", 0))
widths = list_value(spec.get("Widths", [0] * 256))
widths = dict((i + firstchar, w) for (i, w) in enumerate(widths))
if "FontDescriptor" in spec:
descriptor = dict_value(spec["FontDescriptor"])
else:
descriptor = {"Ascent": 0, "Descent": 0, "FontBBox": spec["FontBBox"]}
PDFSimpleFont.__init__(self, descriptor, widths, spec)
self.matrix = tuple(list_value(spec.get("FontMatrix")))
(_, self.descent, _, self.ascent) = self.bbox
(self.hscale, self.vscale) = apply_matrix_norm(self.matrix, (1, 1))
return
def __init__(self, rsrcmgr, spec):
firstchar = int_value(spec.get('FirstChar', 0))
lastchar = int_value(spec.get('LastChar', 0))
widths = list_value(spec.get('Widths', [0] * 256))
widths = dict((i + firstchar, w) for (i, w) in enumerate(widths))
if 'FontDescriptor' in spec:
descriptor = dict_value(spec['FontDescriptor'])
else:
descriptor = {'Ascent': 0, 'Descent': 0,
'FontBBox': spec['FontBBox']}
PDFSimpleFont.__init__(self, descriptor, widths, spec)
self.matrix = tuple(list_value(spec.get('FontMatrix')))
(_, self.descent, _, self.ascent) = self.bbox
(self.hscale, self.vscale) = apply_matrix_norm(self.matrix, (1, 1))
def init_resources(self, resources):
"""Prepare the fonts and XObjects listed in the Resource attribute."""
self.resources = resources
self.fontmap = {}
self.xobjmap = {}
self.csmap = PREDEFINED_COLORSPACE.copy()
if not resources:
return
def get_colorspace(spec):
if isinstance(spec, list):
name = literal_name(spec[0])
else:
name = literal_name(spec)
if name == 'ICCBased' and isinstance(spec, list) and 2 <= len(spec):
return PDFColorSpace(name, stream_value(spec[1])['N'])
elif name == 'DeviceN' and isinstance(spec, list) and 2 <= len(spec):
return PDFColorSpace(name, len(list_value(spec[1])))
else:
return PREDEFINED_COLORSPACE.get(name)
for (k, v) in dict_value(resources).iteritems():
log.debug('Resource: %r: %r', k, v)
if k == 'Font':
for (fontid, spec) in dict_value(v).iteritems():
objid = None
if isinstance(spec, PDFObjRef):
objid = spec.objid
spec = dict_value(spec)
self.fontmap[fontid] = self.rsrcmgr.get_font(objid, spec)
elif k == 'ColorSpace':
for (csid, spec) in dict_value(v).iteritems():
self.csmap[csid] = get_colorspace(resolve1(spec))
elif k == 'ProcSet':
self.rsrcmgr.get_procset(list_value(v))
elif k == 'XObject':
for (xobjid, xobjstrm) in dict_value(v).iteritems():
self.xobjmap[xobjid] = xobjstrm
def __init__(self, rsrcmgr, spec):
firstchar = int_value(spec.get('FirstChar', 0))
lastchar = int_value(spec.get('LastChar', 0))
widths = list_value(spec.get('Widths', [0]*256))
widths = dict( (i+firstchar,w) for (i,w) in enumerate(widths))
if 'FontDescriptor' in spec:
descriptor = dict_value(spec['FontDescriptor'])
else:
descriptor = {'Ascent':0, 'Descent':0,
'FontBBox':spec['FontBBox']}
PDFSimpleFont.__init__(self, descriptor, widths, spec)
self.matrix = tuple(list_value(spec.get('FontMatrix')))
(_,self.descent,_,self.ascent) = self.bbox
(self.hscale,self.vscale) = apply_matrix_norm(self.matrix, (1,1))
return
def search(entry, level):
entry = dict_value(entry)
if 'Title' in entry:
if 'A' in entry or 'Dest' in entry:
title = decode_text(str_value(entry['Title']))
dest = entry.get('Dest')
action = entry.get('A')
se = entry.get('SE')
yield (level, title, dest, action, se)
if 'First' in entry and 'Last' in entry:
for x in search(entry['First'], level + 1):
yield x
if 'Next' in entry:
for x in search(entry['Next'], level):
yield x
return
def search(entry, level):
entry = dict_value(entry)
if 'Title' in entry:
if 'A' in entry or 'Dest' in entry:
title = decode_text(str_value(entry['Title']))
dest = entry.get('Dest')
action = entry.get('A')
se = entry.get('SE')
yield (level, title, dest, action, se)
if 'First' in entry and 'Last' in entry:
for x in search(entry['First'], level+1):
yield x
if 'Next' in entry:
for x in search(entry['Next'], level):
yield x
return
def __init__(self, rsrc, spec):
try:
self.basefont = literal_name(spec['BaseFont'])
except KeyError:
if STRICT:
raise PDFFontError('BaseFont is missing')
self.basefont = 'unknown'
try:
(descriptor, widths) = FontMetricsDB.get_metrics(self.basefont)
except KeyError:
descriptor = dict_value(spec.get('FontDescriptor', {}))
firstchar = int_value(spec.get('FirstChar', 0))
lastchar = int_value(spec.get('LastChar', 255))
widths = list_value(spec.get('Widths', [0]*256))
widths = dict( (i+firstchar,w) for (i,w) in enumerate(widths) )
PDFSimpleFont.__init__(self, descriptor, widths, spec)
return
def __init__(self, rsrc, spec):
try:
self.basefont = literal_name(spec['BaseFont'])
except KeyError:
if STRICT:
raise PDFFontError('BaseFont is missing')
self.basefont = 'unknown'
try:
(descriptor, widths) = FontMetricsDB.get_metrics(self.basefont)
except KeyError:
descriptor = dict_value(spec.get('FontDescriptor', {}))
firstchar = int_value(spec.get('FirstChar', 0))
lastchar = int_value(spec.get('LastChar', 255))
widths = list_value(spec.get('Widths', [0] * 256))
widths = dict((i + firstchar, w) for (i, w) in enumerate(widths))
PDFSimpleFont.__init__(self, descriptor, widths, spec)
return
def get_font(self, objid, spec):
if objid and objid in self._cached_fonts:
font = self._cached_fonts[objid]
else:
if 2 <= self.debug:
print >> sys.stderr, 'get_font: create: objid=%r, spec=%r' % (
objid, spec)
if STRICT:
if spec['Type'] is not LITERAL_FONT:
raise PDFFontError('Type is not /Font')
# Create a Font object.
if 'Subtype' in spec:
subtype = literal_name(spec['Subtype'])
else:
if STRICT:
raise PDFFontError('Font Subtype is not specified.')
subtype = 'Type1'
if subtype in ('Type1', 'MMType1'):
# Type1 Font
font = PDFType1Font(self, spec)
elif subtype == 'TrueType':
# TrueType Font
font = PDFTrueTypeFont(self, spec)
elif subtype == 'Type3':
# Type3 Font
font = PDFType3Font(self, spec)
elif subtype in ('CIDFontType0', 'CIDFontType2'):
# CID Font
font = PDFCIDFont(self, spec)
elif subtype == 'Type0':
# Type0 Font
dfonts = list_value(spec['DescendantFonts'])
assert dfonts
subspec = dict_value(dfonts[0]).copy()
for k in ('Encoding', 'ToUnicode'):
if k in spec:
subspec[k] = resolve1(spec[k])
font = self.get_font(None, subspec)
else:
if STRICT:
raise PDFFontError('Invalid Font spec: %r' % spec)
font = PDFType1Font(self, spec) # this is so wrong!
if objid and self.caching:
self._cached_fonts[objid] = font
return font
def init_params(self):
super(PDFStandardSecurityHandlerV4, self).init_params()
self.length = 128
self.cf = dict_value(self.param.get('CF'))
self.stmf = literal_name(self.param['StmF'])
self.strf = literal_name(self.param['StrF'])
self.encrypt_metadata = bool(self.param.get('EncryptMetadata', True))
if self.stmf != self.strf:
raise PDFEncryptionError('Unsupported crypt filter: param=%r' % self.param)
self.cfm = {}
for k, v in self.cf.items():
f = self.get_cfm(literal_name(v['CFM']))
if f is None:
raise PDFEncryptionError('Unknown crypt filter method: param=%r' % self.param)
self.cfm[k] = f
self.cfm['Identity'] = self.decrypt_identity
if self.strf not in self.cfm:
raise PDFEncryptionError('Undefined crypt filter: param=%r' % self.param)
def get_font(self, objid, spec):
if objid and objid in self._cached_fonts:
font = self._cached_fonts[objid]
else:
if 2 <= self.debug:
print >>sys.stderr, "get_font: create: objid=%r, spec=%r" % (objid, spec)
if STRICT:
if spec["Type"] is not LITERAL_FONT:
raise PDFFontError("Type is not /Font")
# Create a Font object.
if "Subtype" in spec:
subtype = literal_name(spec["Subtype"])
else:
if STRICT:
raise PDFFontError("Font Subtype is not specified.")
subtype = "Type1"
if subtype in ("Type1", "MMType1"):
# Type1 Font
font = PDFType1Font(self, spec)
elif subtype == "TrueType":
# TrueType Font
font = PDFTrueTypeFont(self, spec)
elif subtype == "Type3":
# Type3 Font
font = PDFType3Font(self, spec)
elif subtype in ("CIDFontType0", "CIDFontType2"):
# CID Font
font = PDFCIDFont(self, spec)
elif subtype == "Type0":
# Type0 Font
dfonts = list_value(spec["DescendantFonts"])
assert dfonts
subspec = dict_value(dfonts[0]).copy()
for k in ("Encoding", "ToUnicode"):
if k in spec:
subspec[k] = resolve1(spec[k])
font = self.get_font(None, subspec)
else:
if STRICT:
raise PDFFontError("Invalid Font spec: %r" % spec)
font = PDFType1Font(self, spec) # this is so wrong!
if objid and self.caching:
self._cached_fonts[objid] = font
return font
def get_font(self, objid, spec):
if objid and objid in self._cached_fonts:
font = self._cached_fonts[objid]
else:
if 2 <= self.debug:
print >>sys.stderr, 'get_font: create: objid=%r, spec=%r' % (objid, spec)
if STRICT:
if spec['Type'] is not LITERAL_FONT:
raise PDFFontError('Type is not /Font')
# Create a Font object.
if 'Subtype' in spec:
subtype = literal_name(spec['Subtype'])
else:
if STRICT:
raise PDFFontError('Font Subtype is not specified.')
subtype = 'Type1'
if subtype in ('Type1', 'MMType1'):
# Type1 Font
font = PDFType1Font(self, spec)
elif subtype == 'TrueType':
# TrueType Font
font = PDFTrueTypeFont(self, spec)
elif subtype == 'Type3':
# Type3 Font
font = PDFType3Font(self, spec)
elif subtype in ('CIDFontType0', 'CIDFontType2'):
# CID Font
font = PDFCIDFont(self, spec)
elif subtype == 'Type0':
# Type0 Font
dfonts = list_value(spec['DescendantFonts'])
assert dfonts
subspec = dict_value(dfonts[0]).copy()
for k in ('Encoding', 'ToUnicode'):
if k in spec:
subspec[k] = resolve1(spec[k])
font = self.get_font(None, subspec)
else:
if STRICT:
raise PDFFontError('Invalid Font spec: %r' % spec)
font = PDFType1Font(self, spec) # this is so wrong!
if objid and self.caching:
self._cached_fonts[objid] = font
return font
def __init__(self, rsrcmgr, spec):
try:
self.basefont = literal_name(spec['BaseFont'])
except KeyError:
handle_error(PDFFontError, 'BaseFont is missing')
self.basefont = 'unknown'
self.cidsysteminfo = dict_value(spec.get('CIDSystemInfo', {}))
self.cidcoding = '%s-%s' % (self.cidsysteminfo.get('Registry', 'unknown'),
self.cidsysteminfo.get('Ordering', 'unknown'))
try:
name = literal_name(spec['Encoding'])
except KeyError:
handle_error(PDFFontError, 'Encoding is unspecified')
name = 'unknown'
try:
self.cmap = CMapDB.get_cmap(name)
except CMapDB.CMapNotFound, e:
handle_error(PDFFontError, str(e))
self.cmap = CMap()
def __init__(self, rsrc, spec):
try:
self.basefont = literal_name(spec['BaseFont'])
except KeyError:
if STRICT:
raise PDFFontError('BaseFont is missing')
self.basefont = 'unknown'
self.cidsysteminfo = dict_value(spec.get('CIDSystemInfo', {}))
self.cidcoding = '%s-%s' % (self.cidsysteminfo.get(
'Registry',
'unknown'), self.cidsysteminfo.get('Ordering', 'unknown'))
try:
name = literal_name(spec['Encoding'])
except KeyError:
if STRICT:
raise PDFFontError('Encoding is unspecified')
name = 'unknown'
try:
self.cmap = rsrc.get_cmap(name, strict=STRICT)
except CMapDB.CMapNotFound, e:
raise PDFFontError(e)
def __init__(self, rsrcmgr, spec):
try:
self.basefont = literal_name(spec['BaseFont'])
except KeyError:
handle_error(PDFFontError, 'BaseFont is missing')
self.basefont = 'unknown'
try:
(descriptor, widths) = FontMetricsDB.get_metrics(self.basefont)
except KeyError:
descriptor = dict_value(spec.get('FontDescriptor', {}))
firstchar = int_value(spec.get('FirstChar', 0))
lastchar = int_value(spec.get('LastChar', 255))
widths = list_value(spec.get('Widths', [0] * 256))
widths = dict((i+firstchar, w) for (i, w) in enumerate(widths))
PDFSimpleFont.__init__(self, descriptor, widths, spec)
if 'Encoding' not in spec and 'FontFile' in descriptor:
# try to recover the missing encoding info from the font file.
self.fontfile = stream_value(descriptor.get('FontFile'))
length1 = int_value(self.fontfile['Length1'])
data = self.fontfile.get_data()[:length1]
parser = Type1FontHeaderParser(StringIO(data))
self.cid2unicode = parser.get_encoding()
def __init__(self, rsrcmgr, spec):
try:
self.basefont = literal_name(spec['BaseFont'])
except KeyError:
if STRICT:
raise PDFFontError('BaseFont is missing')
self.basefont = 'unknown'
try:
(descriptor, widths) = FontMetricsDB.get_metrics(self.basefont)
except KeyError:
descriptor = dict_value(spec.get('FontDescriptor', {}))
firstchar = int_value(spec.get('FirstChar', 0))
lastchar = int_value(spec.get('LastChar', 255))
widths = list_value(spec.get('Widths', [0]*256))
widths = dict( (i+firstchar,w) for (i,w) in enumerate(widths) )
PDFSimpleFont.__init__(self, descriptor, widths, spec)
if 'Encoding' not in spec and 'FontFile' in descriptor:
# try to recover the missing encoding info from the font file.
self.fontfile = stream_value(descriptor.get('FontFile'))
length1 = int_value(self.fontfile['Length1'])
data = self.fontfile.get_data()[:length1]
parser = Type1FontHeaderParser(StringIO(data))
self.cid2unicode = parser.get_encoding()
return
def __init__(self, rsrcmgr, spec):
try:
self.basefont = literal_name(spec['BaseFont'])
except KeyError:
if STRICT:
raise PDFFontError('BaseFont is missing')
self.basefont = 'unknown'
self.cidsysteminfo = dict_value(spec.get('CIDSystemInfo', {}))
self.cidcoding = '%s-%s' % (self.cidsysteminfo.get(
'Registry',
'unknown'), self.cidsysteminfo.get('Ordering', 'unknown'))
try:
name = literal_name(spec['Encoding'])
except KeyError:
if STRICT:
raise PDFFontError('Encoding is unspecified')
name = 'unknown'
try:
self.cmap = CMapDB.get_cmap(name)
except CMapDB.CMapNotFound as e:
if STRICT:
raise PDFFontError(e)
self.cmap = CMap()
try:
descriptor = dict_value(spec['FontDescriptor'])
except KeyError:
if STRICT:
raise PDFFontError('FontDescriptor is missing')
descriptor = {}
ttf = None
if 'FontFile2' in descriptor:
self.fontfile = stream_value(descriptor.get('FontFile2'))
ttf = TrueTypeFont(self.basefont,
StringIO(self.fontfile.get_data()))
self.unicode_map = None
if 'ToUnicode' in spec:
strm = stream_value(spec['ToUnicode'])
self.unicode_map = FileUnicodeMap()
CMapParser(self.unicode_map, StringIO(strm.get_data())).run()
elif self.cidcoding == 'Adobe-Identity':
if ttf:
try:
self.unicode_map = ttf.create_unicode_map()
except TrueTypeFont.CMapNotFound:
pass
else:
try:
self.unicode_map = CMapDB.get_unicode_map(
self.cidcoding, self.cmap.is_vertical())
except CMapDB.CMapNotFound as e:
pass
self.vertical = self.cmap.is_vertical()
if self.vertical:
# writing mode: vertical
widths = get_widths2(list_value(spec.get('W2', [])))
self.disps = dict(
(cid, (vx, vy)) for (cid, (_, (vx, vy))) in widths.iteritems())
(vy, w) = spec.get('DW2', [880, -1000])
self.default_disp = (None, vy)
widths = dict((cid, w) for (cid, (w, _)) in widths.iteritems())
default_width = w
else:
# writing mode: horizontal
self.disps = {}
self.default_disp = 0
widths = get_widths(list_value(spec.get('W', [])))
default_width = spec.get('DW', 1000)
PDFFont.__init__(self, descriptor, widths, default_width=default_width)
return
def do_keyword(self, pos, token):
"""Handles PDF-related keywords."""
if token in (self.KEYWORD_XREF, self.KEYWORD_STARTXREF):
self.add_results(*self.pop(1))
elif token is self.KEYWORD_ENDOBJ:
self.add_results(*self.pop(4))
elif token is self.KEYWORD_NULL:
# null object
self.push((pos, None))
elif token is self.KEYWORD_R:
# reference to indirect object
try:
((_,objid), (_,genno)) = self.pop(2)
(objid, genno) = (int(objid), int(genno))
obj = PDFObjRef(self.doc, objid, genno)
self.push((pos, obj))
except PSSyntaxError:
pass
elif token is self.KEYWORD_STREAM:
# stream object
((_,dic),) = self.pop(1)
dic = dict_value(dic)
objlen = 0
if not self.fallback:
try:
objlen = int_value(dic['Length'])
except KeyError:
if STRICT:
raise PDFSyntaxError('/Length is undefined: %r' % dic)
self.seek(pos)
try:
(_, line) = self.nextline() # 'stream'
except PSEOF:
if STRICT:
raise PDFSyntaxError('Unexpected EOF')
return
pos += len(line)
self.fp.seek(pos)
data = self.fp.read(objlen)
self.seek(pos+objlen)
while 1:
try:
(linepos, line) = self.nextline()
except PSEOF:
if STRICT:
raise PDFSyntaxError('Unexpected EOF')
break
if 'endstream' in line:
i = line.index('endstream')
objlen += i
data += line[:i]
break
objlen += len(line)
data += line
self.seek(pos+objlen)
# XXX limit objlen not to exceed object boundary
if 2 <= self.debug:
print >>sys.stderr, 'Stream: pos=%d, objlen=%d, dic=%r, data=%r...' % \
(pos, objlen, dic, data[:10])
obj = PDFStream(dic, data, self.doc.decipher)
self.push((pos, obj))
else:
# others
self.push((pos, token))
return