def unquote(s): """Unquote an N-Triples string.""" if not validate: if isinstance(s, text_type): # nquads s = decodeUnicodeEscape(s) else: s = s.decode('unicode-escape') return s else: result = [] while s: m = r_safe.match(s) if m: s = s[m.end():] result.append(m.group(1)) continue m = r_quot.match(s) if m: s = s[2:] result.append(quot[m.group(1)]) continue m = r_uniquot.match(s) if m: s = s[m.end():] u, U = m.groups() codepoint = int(u or U, 16) if codepoint > 0x10FFFF: raise ParseError("Disallowed codepoint: %08X" % codepoint) result.append(unichr(codepoint)) elif s.startswith('\\'): raise ParseError("Illegal escape at: %s..." % s[:10]) else: raise ParseError("Illegal literal character: %r" % s[0]) return u''.join(result)
def unquote(s): """Unquote an N-Triples string.""" if not validate: if isinstance(s, text_type): # nquads s = decodeUnicodeEscape(s) else: s = s.decode('unicode-escape') return s else: result = [] while s: m = r_safe.match(s) if m: s = s[m.end():] result.append(m.group(1)) continue m = r_quot.match(s) if m: s = s[2:] result.append(quot[m.group(1)]) continue m = r_uniquot.match(s) if m: s = s[m.end():] u, U = m.groups() codepoint = int(u or U, 16) if codepoint > 0x10FFFF: raise ParseError("Disallowed codepoint: %08X" % codepoint) result.append(unichr(codepoint)) elif s.startswith('\\'): raise ParseError("Illegal escape at: %s..." % s[:10]) else: raise ParseError("Illegal literal character: %r" % s[0]) return u''.join(result)
DECIMAL_NEGATIVE.setParseAction(lambda x: neg(x[0])) # [154] DOUBLE_NEGATIVE ::= '-' DOUBLE DOUBLE_NEGATIVE = Suppress('-') + DOUBLE.copy().leaveWhitespace() DOUBLE_NEGATIVE.setParseAction(lambda x: neg(x[0])) # [160] ECHAR ::= '\' [tbnrf\"'] # ECHAR = Regex('\\\\[tbnrf"\']') # [158] STRING_LITERAL_LONG1 ::= "'''" ( ( "'" | "''" )? ( [^'\] | ECHAR ) )* "'''" # STRING_LITERAL_LONG1 = Literal("'''") + ( Optional( Literal("'") | "''" # ) + ZeroOrMore( ~ Literal("'\\") | ECHAR ) ) + "'''" STRING_LITERAL_LONG1 = Regex(u"'''((?:'|'')?(?:[^'\\\\]|\\\\['ntbrf\\\\]))*'''") STRING_LITERAL_LONG1.setParseAction( lambda x: rdflib.Literal(decodeUnicodeEscape(x[0][3:-3]))) # [159] STRING_LITERAL_LONG2 ::= '"""' ( ( '"' | '""' )? ( [^"\] | ECHAR ) )* '"""' # STRING_LITERAL_LONG2 = Literal('"""') + ( Optional( Literal('"') | '""' # ) + ZeroOrMore( ~ Literal('"\\') | ECHAR ) ) + '"""' STRING_LITERAL_LONG2 = Regex(u'"""(?:(?:"|"")?(?:[^"\\\\]|\\\\["ntbrf\\\\]))*"""') STRING_LITERAL_LONG2.setParseAction( lambda x: rdflib.Literal(decodeUnicodeEscape(x[0][3:-3]))) # [156] STRING_LITERAL1 ::= "'" ( ([^#x27#x5C#xA#xD]) | ECHAR )* "'" # STRING_LITERAL1 = Literal("'") + ZeroOrMore( # Regex(u'[^\u0027\u005C\u000A\u000D]',flags=re.U) | ECHAR ) + "'" STRING_LITERAL1 = Regex( u"'(?:[^'\\n\\r\\\\]|\\\\['ntbrf\\\\])*'(?!')", flags=re.U) STRING_LITERAL1.setParseAction(
DECIMAL_NEGATIVE.setParseAction(lambda x: neg(x[0])) # [154] DOUBLE_NEGATIVE ::= '-' DOUBLE DOUBLE_NEGATIVE = Suppress('-') + DOUBLE.copy().leaveWhitespace() DOUBLE_NEGATIVE.setParseAction(lambda x: neg(x[0])) # [160] ECHAR ::= '\' [tbnrf\"'] # ECHAR = Regex('\\\\[tbnrf"\']') # [158] STRING_LITERAL_LONG1 ::= "'''" ( ( "'" | "''" )? ( [^'\] | ECHAR ) )* "'''" # STRING_LITERAL_LONG1 = Literal("'''") + ( Optional( Literal("'") | "''" # ) + ZeroOrMore( ~ Literal("'\\") | ECHAR ) ) + "'''" STRING_LITERAL_LONG1 = Regex(u"'''((?:'|'')?(?:[^'\\\\]|\\\\['ntbrf\\\\]))*'''") STRING_LITERAL_LONG1.setParseAction( lambda x: rdflib.Literal(decodeUnicodeEscape(x[0][3:-3]))) # [159] STRING_LITERAL_LONG2 ::= '"""' ( ( '"' | '""' )? ( [^"\] | ECHAR ) )* '"""' # STRING_LITERAL_LONG2 = Literal('"""') + ( Optional( Literal('"') | '""' # ) + ZeroOrMore( ~ Literal('"\\') | ECHAR ) ) + '"""' STRING_LITERAL_LONG2 = Regex(u'"""(?:(?:"|"")?(?:[^"\\\\]|\\\\["ntbrf\\\\]))*"""') STRING_LITERAL_LONG2.setParseAction( lambda x: rdflib.Literal(decodeUnicodeEscape(x[0][3:-3]))) # [156] STRING_LITERAL1 ::= "'" ( ([^#x27#x5C#xA#xD]) | ECHAR )* "'" # STRING_LITERAL1 = Literal("'") + ZeroOrMore( # Regex(u'[^\u0027\u005C\u000A\u000D]',flags=re.U) | ECHAR ) + "'" STRING_LITERAL1 = Regex( u"'(?:[^'\\n\\r\\\\]|\\\\['ntbrf\\\\])*'(?!')", flags=re.U) STRING_LITERAL1.setParseAction(