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GR0V Shell
GR0V shell
Linux server122.web-hosting.com 4.18.0-513.18.1.lve.el8.x86_64 #1 SMP Thu Feb 22 12:55:50 UTC 2024 x86_64
class BaseStemmer(object):
def __init__(self):
self.set_current("")
def set_current(self, value):
'''
Set the self.current string.
'''
self.current = value
self.cursor = 0
self.limit = len(self.current)
self.limit_backward = 0
self.bra = self.cursor
self.ket = self.limit
def get_current(self):
'''
Get the self.current string.
'''
return self.current
def copy_from(self, other):
self.current = other.current
self.cursor = other.cursor
self.limit = other.limit
self.limit_backward = other.limit_backward
self.bra = other.bra
self.ket = other.ket
def in_grouping(self, s, min, max):
if self.cursor >= self.limit:
return False
ch = ord(self.current[self.cursor])
if ch > max or ch < min:
return False
ch -= min
if (s[ch >> 3] & (0x1 << (ch & 0x7))) == 0:
return False
self.cursor += 1
return True
def go_in_grouping(self, s, min, max):
while self.cursor < self.limit:
ch = ord(self.current[self.cursor])
if ch > max or ch < min:
return True
ch -= min
if (s[ch >> 3] & (0x1 << (ch & 0x7))) == 0:
return True
self.cursor += 1
return False
def in_grouping_b(self, s, min, max):
if self.cursor <= self.limit_backward:
return False
ch = ord(self.current[self.cursor - 1])
if ch > max or ch < min:
return False
ch -= min
if (s[ch >> 3] & (0x1 << (ch & 0x7))) == 0:
return False
self.cursor -= 1
return True
def go_in_grouping_b(self, s, min, max):
while self.cursor > self.limit_backward:
ch = ord(self.current[self.cursor - 1])
if ch > max or ch < min:
return True
ch -= min
if (s[ch >> 3] & (0x1 << (ch & 0x7))) == 0:
return True
self.cursor -= 1
return False
def out_grouping(self, s, min, max):
if self.cursor >= self.limit:
return False
ch = ord(self.current[self.cursor])
if ch > max or ch < min:
self.cursor += 1
return True
ch -= min
if (s[ch >> 3] & (0X1 << (ch & 0x7))) == 0:
self.cursor += 1
return True
return False
def go_out_grouping(self, s, min, max):
while self.cursor < self.limit:
ch = ord(self.current[self.cursor])
if ch <= max and ch >= min:
ch -= min
if (s[ch >> 3] & (0X1 << (ch & 0x7))):
return True
self.cursor += 1
return False
def out_grouping_b(self, s, min, max):
if self.cursor <= self.limit_backward:
return False
ch = ord(self.current[self.cursor - 1])
if ch > max or ch < min:
self.cursor -= 1
return True
ch -= min
if (s[ch >> 3] & (0X1 << (ch & 0x7))) == 0:
self.cursor -= 1
return True
return False
def go_out_grouping_b(self, s, min, max):
while self.cursor > self.limit_backward:
ch = ord(self.current[self.cursor - 1])
if ch <= max and ch >= min:
ch -= min
if (s[ch >> 3] & (0X1 << (ch & 0x7))):
return True
self.cursor -= 1
return False
def eq_s(self, s):
if self.limit - self.cursor < len(s):
return False
if self.current[self.cursor:self.cursor + len(s)] != s:
return False
self.cursor += len(s)
return True
def eq_s_b(self, s):
if self.cursor - self.limit_backward < len(s):
return False
if self.current[self.cursor - len(s):self.cursor] != s:
return False
self.cursor -= len(s)
return True
def find_among(self, v):
i = 0
j = len(v)
c = self.cursor
l = self.limit
common_i = 0
common_j = 0
first_key_inspected = False
while True:
k = i + ((j - i) >> 1)
diff = 0
common = min(common_i, common_j) # smaller
w = v[k]
for i2 in range(common, len(w.s)):
if c + common == l:
diff = -1
break
diff = ord(self.current[c + common]) - ord(w.s[i2])
if diff != 0:
break
common += 1
if diff < 0:
j = k
common_j = common
else:
i = k
common_i = common
if j - i <= 1:
if i > 0:
break # v->s has been inspected
if j == i:
break # only one item in v
# - but now we need to go round once more to get
# v->s inspected. This looks messy, but is actually
# the optimal approach.
if first_key_inspected:
break
first_key_inspected = True
while True:
w = v[i]
if common_i >= len(w.s):
self.cursor = c + len(w.s)
if w.method is None:
return w.result
method = getattr(self, w.method)
res = method()
self.cursor = c + len(w.s)
if res:
return w.result
i = w.substring_i
if i < 0:
return 0
return -1 # not reachable
def find_among_b(self, v):
'''
find_among_b is for backwards processing. Same comments apply
'''
i = 0
j = len(v)
c = self.cursor
lb = self.limit_backward
common_i = 0
common_j = 0
first_key_inspected = False
while True:
k = i + ((j - i) >> 1)
diff = 0
common = min(common_i, common_j)
w = v[k]
for i2 in range(len(w.s) - 1 - common, -1, -1):
if c - common == lb:
diff = -1
break
diff = ord(self.current[c - 1 - common]) - ord(w.s[i2])
if diff != 0:
break
common += 1
if diff < 0:
j = k
common_j = common
else:
i = k
common_i = common
if j - i <= 1:
if i > 0:
break
if j == i:
break
if first_key_inspected:
break
first_key_inspected = True
while True:
w = v[i]
if common_i >= len(w.s):
self.cursor = c - len(w.s)
if w.method is None:
return w.result
method = getattr(self, w.method)
res = method()
self.cursor = c - len(w.s)
if res:
return w.result
i = w.substring_i
if i < 0:
return 0
return -1 # not reachable
def replace_s(self, c_bra, c_ket, s):
'''
to replace chars between c_bra and c_ket in self.current by the
chars in s.
@type c_bra int
@type c_ket int
@type s: string
'''
adjustment = len(s) - (c_ket - c_bra)
self.current = self.current[0:c_bra] + s + self.current[c_ket:]
self.limit += adjustment
if self.cursor >= c_ket:
self.cursor += adjustment
elif self.cursor > c_bra:
self.cursor = c_bra
return adjustment
def slice_check(self):
if self.bra < 0 or self.bra > self.ket or self.ket > self.limit or self.limit > len(self.current):
return False
return True
def slice_from(self, s):
'''
@type s string
'''
result = False
if self.slice_check():
self.replace_s(self.bra, self.ket, s)
result = True
return result
def slice_del(self):
return self.slice_from("")
def insert(self, c_bra, c_ket, s):
'''
@type c_bra int
@type c_ket int
@type s: string
'''
adjustment = self.replace_s(c_bra, c_ket, s)
if c_bra <= self.bra:
self.bra += adjustment
if c_bra <= self.ket:
self.ket += adjustment
def slice_to(self):
'''
Return the slice as a string.
'''
result = ''
if self.slice_check():
result = self.current[self.bra:self.ket]
return result
def assign_to(self):
'''
Return the current string up to the limit.
'''
return self.current[0:self.limit]
def stemWord(self, word):
self.set_current(word)
self._stem()
return self.get_current()
def stemWords(self, words):
return [self.stemWord(word) for word in words]
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