def apply(state):
editor = SoundEditor(state)
for cur in editor:
next = cur.next
if next.value is None:
continue
x, y = cur.value, next.value
if x in Sounds('ac'):
cur.value, next.value = ac_sandhi(x, y)
elif x in Sounds('hal'):
cur.value, next.value = hal_sandhi(x, y)
yield editor.join()
def apply(state):
editor = SoundEditor(state)
for cur in editor:
next = cur.next
if next.value is None:
continue
x, y = cur.value, next.value
if x in Sounds('ac'):
cur.value, next.value = ac_sandhi(x, y)
elif x in Sounds('hal'):
cur.value, next.value = hal_sandhi(x, y)
yield editor.join()
def asiddha_helper(state):
"""Chapter 8.2 of the Ashtadhyayi starts the 'asiddha' section of
the text:
8.2.1 pUrvatrAsiddham
The asiddha section lasts until the end of the text, and for that
reason, it is often called the tripAdI ("having three pAdas").
The rules in the tripAdI are treated as not having taken effect
('asiddha') as far as the prior rules are concerned. This is an
abstract notion, but practically it means that these are the last
rules we apply in a derivation.
:param state:
"""
had_rs = False
editor = SoundEditor(state)
for c in editor:
p = c.prev
n = c.next
n2 = n.next
w, x, y, z = (p.value, c.value, n.value, n2.value)
# 8.2.29 skoH saMyogAdyor ante ca
# TODO: pada end
if x in 'sk' and y in Sounds('hal') and z in Sounds('Jal'):
x = '_'
if y in Sounds('Jal'):
# 8.2.30 coH kuH
cu = Sounds('cu')
if x in cu and y in Sounds('Jal') and y not in cu:
x = Sound(x).closest(Sounds('ku'))
# 8.2.31 ho DhaH
elif x == 'h':
x = 'Q'
# 8.2.36 vrazca-bhrasja-sRja-mRja-yaja-rAja-bhrAjacCazAM SaH
roots = {'vraSc', 'Brasj', 'sfj', 'mfj', 'yaj', 'rAj', 'BrAj'}
if c.last and (c.term.value in roots or c.term.antya in 'SC'):
x = 'z'
# 8.2.40 (TODO: not dhA)
if w in Sounds('Jaz') and x in 'tT':
x = 'D'
elif x == 'D' and y in 'tT':
continue
# 8.2.41 SaDhoH kaH si
elif x in 'zQ' and y == 's':
x = 'k'
# 8.2.41 SaDhoH kaH si
if x in 'zQ' and y == 's':
x = 'k'
# 8.3.23 mo 'nusvAraH
# elif x == 'm' and y in Sounds('hal'):
# x = 'M'
# 8.3.24 naz cApadAntasya jhali
elif x in 'mn' and y in Sounds('Jal'):
x = 'M'
# 8.3.59 AdezapratyayayoH
if w in Sounds('iN ku'):
if not c.last and x == 's' and (c.term.raw[0] == 'z'
or 'pratyaya' in c.term.samjna):
x = 'z'
# 8.3.78 iNaH SIdhvaMluGliTAM dho 'GgAt
# 8.3.79 vibhASeTaH
# TODO: SIdhvam, luG
if (x == 'D'
and w in Pratyahara('iR', second_R=True)
and c.first # not triggered by iT
and 'li~w' in c.term.lakshana):
x = 'Q'
# 8.4.1 raSAbhyAM no NaH samAnapade
# 8.4.2 aTkupvAGnuMvyavAye 'pi
# According to commentary, 8.4.1 also applies to 'f' and 'F'.
# TODO: AG, num
if x in 'rzfF':
had_rs = True
elif x == 'n' and had_rs and p.term.value != 'kzuB':
x = 'R'
had_rs = False
elif x not in Sounds('aw ku pu'):
had_rs = False
stu = Sounds('s tu')
if x in stu:
# 8.4.40 stoH zcunA zcuH
# 8.4.44 zAt (na)
scu = Sounds('S cu')
if w == 'S':
pass
elif w in scu or y in scu:
x = Sound(x).closest(scu)
# 8.4.41 STunA STuH
zwu = Sounds('z wu')
if w in zwu or y in zwu:
x = Sound(x).closest(zwu)
if x in Sounds('Jal'):
x_ = x
# 8.4.53 jhalAM jaz jhazi
if y in Sounds('JaS'):
x = Sound(x_).closest(Sounds('jaS'))
# 8.4.54 abhyAse car ca
if 'abhyasa' in c.term.samjna and c.first:
x = Sound(x_).closest(Sounds('car jaS'))
# 8.4.55 khari ca
if y in Sounds('Kar'):
x = Sound(x_).closest(Sounds('car'))
# 8.4.58 anusvArasya yayi parasavarNaH
if x == 'M' and y in Sounds('yay'):
x = Sound(x).closest(Sound(y).savarna_set)
c.value = x if x != '_' else ''
yield editor.join()
def asiddha_helper(state):
"""Chapter 8.2 of the Ashtadhyayi starts the 'asiddha' section of
the text:
8.2.1 pUrvatrAsiddham
The asiddha section lasts until the end of the text, and for that
reason, it is often called the tripAdI ("having three pAdas").
The rules in the tripAdI are treated as not having taken effect
('asiddha') as far as the prior rules are concerned. This is an
abstract notion, but practically it means that these are the last
rules we apply in a derivation.
:param state:
"""
had_rs = False
editor = SoundEditor(state)
for c in editor:
p = c.prev
n = c.next
n2 = n.next
w, x, y, z = (p.value, c.value, n.value, n2.value)
# 8.2.29 skoH saMyogAdyor ante ca
# TODO: pada end
if x in "sk" and y in Sounds("hal") and z in Sounds("Jal"):
x = "_"
if y in Sounds("Jal"):
# 8.2.30 coH kuH
cu = Sounds("cu")
if x in cu and y in Sounds("Jal") and y not in cu:
x = Sound(x).closest(Sounds("ku"))
# 8.2.31 ho DhaH
elif x == "h":
x = "Q"
# 8.2.36 vrazca-bhrasja-sRja-mRja-yaja-rAja-bhrAjacCazAM SaH
roots = {"vraSc", "Brasj", "sfj", "mfj", "yaj", "rAj", "BrAj"}
if c.last and (c.term.value in roots or c.term.antya in "SC"):
x = "z"
# 8.2.40 (TODO: not dhA)
if w in Sounds("Jaz") and x in "tT":
x = "D"
elif x == "D" and y in "tT":
continue
# 8.2.41 SaDhoH kaH si
elif x in "zQ" and y == "s":
x = "k"
# 8.2.41 SaDhoH kaH si
if x in "zQ" and y == "s":
x = "k"
# 8.3.23 mo 'nusvAraH
# elif x == 'm' and y in Sounds('hal'):
# x = 'M'
# 8.3.24 naz cApadAntasya jhali
elif x in "mn" and y in Sounds("Jal"):
x = "M"
# 8.3.59 AdezapratyayayoH
if w in Sounds("iN ku"):
if not c.last and x == "s" and (c.term.raw[0] == "z" or "pratyaya" in c.term.samjna):
x = "z"
# 8.3.78 iNaH SIdhvaMluGliTAM dho 'GgAt
# 8.3.79 vibhASeTaH
# TODO: SIdhvam, luG
if (
x == "D"
and w in Pratyahara("iR", second_R=True)
and c.first # not triggered by iT
and "li~w" in c.term.lakshana
):
x = "Q"
# 8.4.1 raSAbhyAM no NaH samAnapade
# 8.4.2 aTkupvAGnuMvyavAye 'pi
# According to commentary, 8.4.1 also applies to 'f' and 'F'.
# TODO: AG, num
if x in "rzfF":
had_rs = True
elif x == "n" and had_rs and p.term.value != "kzuB":
x = "R"
had_rs = False
elif x not in Sounds("aw ku pu"):
had_rs = False
stu = Sounds("s tu")
if x in stu:
# 8.4.40 stoH zcunA zcuH
# 8.4.44 zAt (na)
scu = Sounds("S cu")
if w == "S":
pass
elif w in scu or y in scu:
x = Sound(x).closest(scu)
# 8.4.41 STunA STuH
zwu = Sounds("z wu")
if w in zwu or y in zwu:
x = Sound(x).closest(zwu)
if x in Sounds("Jal"):
x_ = x
# 8.4.53 jhalAM jaz jhazi
if y in Sounds("JaS"):
x = Sound(x_).closest(Sounds("jaS"))
# 8.4.54 abhyAse car ca
if "abhyasa" in c.term.samjna and c.first:
x = Sound(x_).closest(Sounds("car jaS"))
# 8.4.55 khari ca
if y in Sounds("Kar"):
x = Sound(x_).closest(Sounds("car"))
# 8.4.58 anusvArasya yayi parasavarNaH
if x == "M" and y in Sounds("yay"):
x = Sound(x).closest(Sound(y).savarna_set)
c.value = x if x != "_" else ""
yield editor.join()
