本文整理汇总了Python中utils.nunpack函数的典型用法代码示例。如果您正苦于以下问题：Python nunpack函数的具体用法？Python nunpack怎么用？Python nunpack使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了nunpack函数的7个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的Python代码示例。
示例1: get_pos
def get_pos(self, objid):
offset = 0
found = False
for objid_range in self.objid_ranges:
if objid_range.get_start_id() <= objid <= objid_range.get_end_id():
offset += objid - objid_range.get_start_id()
found = True
break
else:
offset += objid_range.get_nobjs()
if not found:
raise KeyError(objid)
i = self.entlen * offset
ent = self.data[i:i + self.entlen]
f1 = nunpack(ent[:self.fl1], 1)
if f1 == 1:
pos = nunpack(ent[self.fl1:self.fl1 + self.fl2])
genno = nunpack(ent[self.fl1 + self.fl2:])
return None, pos
elif f1 == 2:
objid = nunpack(ent[self.fl1:self.fl1 + self.fl2])
index = nunpack(ent[self.fl1 + self.fl2:])
return objid, index
# this is a free object
raise KeyError(objid)
开发者ID:mcs07，项目名称:pdfminer，代码行数:25，代码来源:pdfparser.py
示例2: getpos
def getpos(self, objid):
if objid < self.objid0 or self.objid1 <= objid:
raise IndexError(objid)
i = self.entlen * (objid-self.objid0)
ent = self.data[i:i+self.entlen]
f1 = nunpack(ent[:self.fl1], 1)
if f1 == 1:
pos = nunpack(ent[self.fl1:self.fl1+self.fl2])
genno = nunpack(ent[self.fl1+self.fl2:])
return (None, pos)
elif f1 == 2:
objid = nunpack(ent[self.fl1:self.fl1+self.fl2])
index = nunpack(ent[self.fl1+self.fl2:])
return (objid, index)
开发者ID:abduld，项目名称:pdftoref，代码行数:14，代码来源:pdfparser.py
示例3: getpos
def getpos(self, objid):
if objid < self.objid_first or self.objid_last < objid:
raise KeyError(objid)
i = self.entlen * (objid-self.objid_first)
ent = self.data[i:i+self.entlen]
f1 = nunpack(ent[:self.fl1], 1)
if f1 == 1:
pos = nunpack(ent[self.fl1:self.fl1+self.fl2])
genno = nunpack(ent[self.fl1+self.fl2:])
return (None, pos)
elif f1 == 2:
objid = nunpack(ent[self.fl1:self.fl1+self.fl2])
index = nunpack(ent[self.fl1+self.fl2:])
return (objid, index)
# this is a free object
raise KeyError(objid)
开发者ID:Big-Data，项目名称:pypes，代码行数:16，代码来源:pdfparser.py
示例4: __init__
def __init__(self, fp):
self.fp = fp
self.offsets = []
(count, offsize) = struct.unpack('>HB', self.fp.read(3))
for i in xrange(count + 1):
self.offsets.append(nunpack(self.fp.read(offsize)))
self.base = self.fp.tell() - 1
self.fp.seek(self.base + self.offsets[-1])
开发者ID:mcs07，项目名称:pdfminer，代码行数:8，代码来源:pdffont.py
示例5: get_objids
def get_objids(self):
for (start, nobjs) in self.ranges:
for i in xrange(nobjs):
offset = self.entlen * i
ent = self.data[offset:offset+self.entlen]
f1 = nunpack(ent[:self.fl1], 1)
if f1 == 1 or f1 == 2:
yield start+i
return
开发者ID:andy-huang，项目名称:pdfminer，代码行数:9，代码来源:pdfdocument.py
示例6: get_pos
def get_pos(self, objid):
index = 0
for (start,nobjs) in self.ranges:
if start <= objid and objid < start+nobjs:
index += objid - start
else:
index += nobjs
else:
raise KeyError(objid)
offset = self.entlen * index
ent = self.data[offset:offset+self.entlen]
f1 = nunpack(ent[:self.fl1], 1)
f2 = nunpack(ent[self.fl1:self.fl1+self.fl2])
f3 = nunpack(ent[self.fl1+self.fl2:])
if f1 == 1:
return (None, f2, f3)
elif f1 == 2:
return (f2, f3, 0)
else:
# this is a free object
raise KeyError(objid)
开发者ID:Web5design，项目名称:pdfminer，代码行数:21，代码来源:pdfdocument.py
示例7: do_keyword
def do_keyword(self, pos, token):
name = token.name
if name == 'begincmap':
self._in_cmap = True
self.popall()
return
elif name == 'endcmap':
self._in_cmap = False
return
if not self._in_cmap: return
#
if name == 'def':
try:
((_,k),(_,v)) = self.pop(2)
self.cmap.set_attr(literal_name(k), v)
except PSSyntaxError:
pass
return
if name == 'usecmap':
try:
((_,cmapname),) = self.pop(1)
self.cmap.use_cmap(CMapDB.get_cmap(literal_name(cmapname)))
except PSSyntaxError:
pass
except CMapDB.CMapNotFound:
pass
return
if name == 'begincodespacerange':
self.popall()
return
if name == 'endcodespacerange':
self.popall()
return
if name == 'begincidrange':
self.popall()
return
if name == 'endcidrange':
objs = [ obj for (_,obj) in self.popall() ]
for (s,e,cid) in choplist(3, objs):
if (not isinstance(s, str) or not isinstance(e, str) or
not isinstance(cid, int) or len(s) != len(e)): continue
sprefix = s[:-4]
eprefix = e[:-4]
if sprefix != eprefix: continue
svar = s[-4:]
evar = e[-4:]
s1 = nunpack(svar)
e1 = nunpack(evar)
vlen = len(svar)
#assert s1 <= e1
for i in xrange(e1-s1+1):
x = sprefix+struct.pack('>L',s1+i)[-vlen:]
self.cmap.add_code2cid(x, cid+i)
return
if name == 'begincidchar':
self.popall()
return
if name == 'endcidchar':
objs = [ obj for (_,obj) in self.popall() ]
for (cid,code) in choplist(2, objs):
if isinstance(code, str) and isinstance(cid, str):
self.cmap.add_code2cid(code, nunpack(cid))
return
if name == 'beginbfrange':
self.popall()
return
if name == 'endbfrange':
objs = [ obj for (_,obj) in self.popall() ]
for (s,e,code) in choplist(3, objs):
if (not isinstance(s, str) or not isinstance(e, str) or
len(s) != len(e)): continue
s1 = nunpack(s)
e1 = nunpack(e)
#assert s1 <= e1
if isinstance(code, list):
for i in xrange(e1-s1+1):
self.cmap.add_cid2unichr(s1+i, code[i])
else:
var = code[-4:]
base = nunpack(var)
prefix = code[:-4]
vlen = len(var)
for i in xrange(e1-s1+1):
x = prefix+struct.pack('>L',base+i)[-vlen:]
self.cmap.add_cid2unichr(s1+i, x)
return
if name == 'beginbfchar':
self.popall()
return
if name == 'endbfchar':
objs = [ obj for (_,obj) in self.popall() ]
for (cid,code) in choplist(2, objs):
if isinstance(cid, str) and isinstance(code, str):
self.cmap.add_cid2unichr(nunpack(cid), code)
#.........这里部分代码省略.........
开发者ID:131db，项目名称:emotweets，代码行数:101，代码来源:cmapdb.py
注：本文中的utils.nunpack函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。 |
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