def __getRuleSpans(self, i, j, span_phrase):
'''Get the list of rules that match the phrase corresponding to the given span'''
global consObjsLst
matchLst = PhraseTable.findConsistentRules(span_phrase)
for match in matchLst:
rule = match[0]
## Terminal rule
if len(match[1]) == 0:
consObjsLst.append( ConsequentRule(rule) )
## Hierarchical rule with 1 NT
elif len(match[1]) == 2:
span1 = (match[1][0]+i, match[1][1]+i)
if not Parse.chartDict[span1].has_X_tree: continue
if settings.opts.shallow_hiero and not self.relaxed_decoding: # for Shallow-n hiero
x_level = -1
for x_level_status in Parse.chartDict[span1].getXLevelStats(self.sh_order):
x_level += 1
if not x_level_status: continue
consObjsLst.append( ConsequentRule(rule, x_level, span1, (), x_level) )
elif not settings.opts.shallow_hiero or self.relaxed_decoding: # for Full-hiero/ relaxed decoding
consObjsLst.append( ConsequentRule(rule, 0, span1) )
## Hierarchical rule with 2 NTs
elif len(match[1]) == 4:
span1 = (match[1][0]+i, match[1][1]+i)
span2 = (match[1][2]+i, match[1][3]+i)
if not Parse.chartDict[span1].has_X_tree or not Parse.chartDict[span2].has_X_tree: continue
if settings.opts.shallow_hiero and not self.relaxed_decoding: # for Shallow-n hiero
X1Levels = Parse.chartDict[span1].getXLevelStats(self.sh_order)
X2Levels = Parse.chartDict[span2].getXLevelStats(self.sh_order)
x1_level = -1
top_x2_level = len(X2Levels) - 1
if X2Levels[top_x2_level]:
for x1_level_status in X1Levels:
x1_level += 1
if not x1_level_status or x1_level > top_x2_level: continue
consObjsLst.append( ConsequentRule(rule, top_x2_level, span1, span2, x1_level, top_x2_level) )
x2_level = -1
top_x1_level = len(X1Levels) - 1
if X1Levels[top_x1_level]:
for x2_level_status in X2Levels:
x2_level += 1
if not x2_level_status or x2_level > top_x1_level: continue
consObjsLst.append( ConsequentRule(rule, top_x1_level, span1, span2, top_x1_level, x2_level) )
elif not settings.opts.shallow_hiero or self.relaxed_decoding: # for Full-hiero/ relaxed decoding
consObjsLst.append( ConsequentRule(rule, 0, span1, span2) )
def __getRuleSpans(self, i, j, span_phrase):
'''Get the list of rules that match the phrase corresponding to the given span'''
global consObjsLst
matchLst = PhraseTable.findConsistentRules(span_phrase)
for match in matchLst:
rule = match[0]
## Terminal rule
if len(match[1]) == 0:
consObjsLst.append(ConsequentRule(rule))
## Hierarchical rule with 1 NT
elif len(match[1]) == 2:
span1 = (match[1][0] + i, match[1][1] + i)
if not Parse.chartDict[span1].has_X_tree: continue
if settings.opts.shallow_hiero and not self.relaxed_decoding: # for Shallow-n hiero
x_level = -1
for x_level_status in Parse.chartDict[
span1].getXLevelStats(self.sh_order):
x_level += 1
if not x_level_status: continue
consObjsLst.append(
ConsequentRule(rule, x_level, span1, (), x_level))
elif not settings.opts.shallow_hiero or self.relaxed_decoding: # for Full-hiero/ relaxed decoding
consObjsLst.append(ConsequentRule(rule, 0, span1))
## Hierarchical rule with 2 NTs
elif len(match[1]) == 4:
span1 = (match[1][0] + i, match[1][1] + i)
span2 = (match[1][2] + i, match[1][3] + i)
if not Parse.chartDict[span1].has_X_tree or not Parse.chartDict[
span2].has_X_tree:
continue
if settings.opts.shallow_hiero and not self.relaxed_decoding: # for Shallow-n hiero
X1Levels = Parse.chartDict[span1].getXLevelStats(
self.sh_order)
X2Levels = Parse.chartDict[span2].getXLevelStats(
self.sh_order)
x1_level = -1
top_x2_level = len(X2Levels) - 1
if X2Levels[top_x2_level]:
for x1_level_status in X1Levels:
x1_level += 1
if not x1_level_status or x1_level > top_x2_level:
continue
consObjsLst.append(
ConsequentRule(rule, top_x2_level, span1,
span2, x1_level, top_x2_level))
x2_level = -1
top_x1_level = len(X1Levels) - 1
if X1Levels[top_x1_level]:
for x2_level_status in X2Levels:
x2_level += 1
if not x2_level_status or x2_level > top_x1_level:
continue
consObjsLst.append(
ConsequentRule(rule, top_x1_level, span1,
span2, top_x1_level, x2_level))
elif not settings.opts.shallow_hiero or self.relaxed_decoding: # for Full-hiero/ relaxed decoding
consObjsLst.append(ConsequentRule(rule, 0, span1, span2))
