本文整理汇总了Python中scanner.Scanner.peek方法的典型用法代码示例。如果您正苦于以下问题：Python Scanner.peek方法的具体用法？Python Scanner.peek怎么用？Python Scanner.peek使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类scanner.Scanner的用法示例。
在下文中一共展示了Scanner.peek方法的1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，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: kwargs
# 需要导入模块: from scanner import Scanner [as 别名]
# 或者: from scanner.Scanner import peek [as 别名]
class Parser:
# todo: think of option kwargs (perhaps fuzzy json parse?)
def __init__(self, **kwargs):
"""
:param kwargs:
simple_value: default True, if set to False uses JSONValueModel
file_name: name of the file to parse
io: string io, pass if file_name is None
predict_references: default False, if true will try to predict links in data model
:return:
"""
self.simple_value = kwargs.get("simple_value", True)
self.predict_references = kwargs.get("predict_references", False)
file_name = kwargs.get("file_name", None)
io = kwargs.get("io", None)
self.parsed_string = u""
self.result = {}
self.scanner = Scanner(file_name)
if file_name is None and io is not None:
self.scanner.file_input = io
def parse_json(self):
"""
parses json loaded by scanner
raises TokenMismatchException or UnexpectedTokenException
:return: parsed dictionary of JSONValueModel
"""
self.result = self.__parse_object()
def __parse_value(self):
"""
Parses value, which can be string, number, array, object, null, true, false
:return: parsed value (list, dict, unicode, int, float, bool, None)
"""
char = self.scanner.peek(1)
if char == u'{':
return self.__parse_object()
elif char == u'[':
return self.__parse_array()
elif char == u'n':
return self.__parse_null()
elif char == u't':
return self.__parse_bool()
elif char == u'f':
return self.__parse_bool()
elif char == u'"':
return self.__parse_string()
else:
return self.__parse_number()
def __parse_object(self):
"""
Parses object
:return: parsed dictionary
"""
result = {}
self.__advance_requiring(TokenType.lbrace)
try:
result = self.__parse_members()
except UnexpectedTokenException:
pass
self.__advance_requiring(TokenType.rbrace)
return result
def __parse_array(self):
"""
Parses array of values
:return: parsed list
"""
result = []
self.__advance_requiring(TokenType.lsquare)
try:
result = self.__parse_elements()
except UnexpectedTokenException:
pass
self.__advance_requiring(TokenType.rsquare)
return result
def __parse_members(self):
"""
Parses members of potential object
:return: dictionary with members
"""
result = {}
while True:
try:
name, value = self.__parse_pair()
if self.simple_value is False:
result[name] = JSONValueModel(name, value, predict_references=self.predict_references)
else:
result[name] = value
except UnexpectedTokenException:
raise UnexpectedTokenException
try:
self.__advance_requiring(TokenType.comma)
#.........这里部分代码省略.........