LeterZP
71777305e9
git-subtree-dir: Informatics/InfLab4 git-subtree-mainline:a51dfe26c0git-subtree-split:639d363dfb
292 lines
12 KiB
Python
292 lines
12 KiB
Python
def json_to_bin(file_name: str) -> None:
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try:
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if file_name.split(".")[-1] != "json":
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print("Ошибка: тип файла должен быть json")
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exit()
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with open(file_name, "r", encoding="utf-8") as file:
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json_file = file.read()
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json_file = parse_value(json_file)
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bin_file = str()
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for i in json_file:
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character = bin(ord(i))[2:]
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bin_file += character + " "
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bin_file = str.encode(bin_file[:-1])
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with open(".".join(file_name.split(".")[:-1])+".bin", "wb") as file:
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file.write(bin_file)
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except Exception as e:
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print("Ошибка: ", e)
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def parse_value(value: str) -> str:
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value = clear_spaces(value)
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new_value = str()
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try:
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value = clear_spaces(value)
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if value[0] == "{" and value[-1] == "}":
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new_value += "o"
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value = parse_object(value)
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elif value[0] == "[" and value[-1] == "]":
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new_value += "a"
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value = parse_array(value)
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elif value[0] == '"' and value[-1] == '"':
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new_value += "s"
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value = parse_string(value)
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elif all([i in "+-.0123456789eE" for i in value]):
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new_value += "n"
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value = parse_number(value)
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elif value == "true":
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value = "t"
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elif value == "false":
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value = "f"
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elif value == "null":
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value = "v"
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else:
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print("Ошибка при определении типа элемента: невозможно определить тип: ", value)
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exit()
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new_value += value
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return new_value
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except Exception as e:
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print("Ошибка при определении типа элемента: ", e)
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def parse_object(object: str) -> str:
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def error():
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print("Ошибка в определении объекта: последовательность " + object + " не является объектом")
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exit()
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try:
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if len(object) <= 2:
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object = "0"
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else:
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object = object[1:-1]
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new_object = dict()
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while len(object) > 0:
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object = clear_spaces(object)
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key = str()
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value = str()
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if object[0] == '"':
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for i in range(1, len(object)):
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if object[i] == '"':
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if object[i-1] == "\\":
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continue
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key = object[:i+1]
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object = object[i+1:]
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break
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elif i + 2 == len(object): error()
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object = clear_spaces(object)
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if len(object) == 0: error()
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if object[0] != ":": error()
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object = clear_spaces(object[1:])
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if object.count(",") == 0:
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value = object
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if len(object) == 1: error()
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if object[0] not in '{["':
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value = object[:object.index(",")]
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object = object[object.index(",")+1:]
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elif object[0] == "{":
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c = 0
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for i in range(len(object)):
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if object[i] == "{":
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c += 1
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elif object[i] == "}":
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c -= 1
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if c == 0:
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value = object[:i + 1]
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object = clear_spaces(object[i + 1:])
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if object[0] == ",":
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object = clear_spaces(object[1:])
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break
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elif i + 2 == len(object):
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value = object
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object = ""
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break
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elif object[0] == "[":
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c = 0
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for i in range(len(object)-1):
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if object[i] == "[":
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c += 1
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elif object[i] == "]":
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c -= 1
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if c == 0:
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value = object[:i + 1]
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object = clear_spaces(object[i + 1:])
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if object[0] == ",":
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object = clear_spaces(object[1:])
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break
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elif i + 2 == len(object):
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value = object
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object = ""
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break
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elif object[0] == '"':
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for i in range(1, len(object)):
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if object[i] == '"':
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if object[i-1] == "\\":
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continue
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value = object[:i+1]
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object = clear_spaces(object[i+1:])
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if object[0] == ",":
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object = clear_spaces(object[1:])
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break
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elif i + 2 == len(object):
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value = object
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object = ""
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break
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else: error()
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new_object.setdefault(key, value)
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object = str(len(new_object.keys()))
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for i in [[list(new_object.keys())[i], list(new_object.values())[i]] for i in range(len(new_object.keys()))]:
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key = parse_value(i[0])
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value = parse_value(i[1])
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object += " " + key + " " + value
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return object
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except Exception as e:
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print("Ошибка при определении объекта: ", e)
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def parse_array(array: str) -> str:
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def error():
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print("Ошибка в определении массива: последовательность " + array + " не является массивом")
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exit()
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try:
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if len(array) <= 2:
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array = "0"
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else:
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new_array = list()
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array = array[1:-1]
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while len(array) > 0:
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array = clear_spaces(array)
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if array.count(",") == 0:
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new_array.append(array)
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break
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if len(array) == 1: error()
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if array[0] not in '{["':
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new_array.append(array[:array.index(",")])
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array = array[array.index(",")+1:]
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elif array[0] == "{":
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c = 0
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for i in range(len(array)):
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if array[i] == "{":
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c += 1
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elif array[i] == "}":
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c -= 1
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if c == 0:
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new_array.append(array[:i + 1])
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array = clear_spaces(array[i + 1:])
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if array[0] == ",":
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array = clear_spaces(array[1:])
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break
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elif i + 2 == len(array):
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new_array.append(array)
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array = ""
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break
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elif array[0] == "[":
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c = 0
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for i in range(len(array)):
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if array[i] == "[":
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c += 1
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elif array[i] == "]":
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c -= 1
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if c == 0:
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new_array.append(array[:i + 1])
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array = clear_spaces(array[i + 1:])
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if array[0] == ",":
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array = clear_spaces(array[1:])
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break
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elif i + 2 == len(array):
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new_array.append(array)
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array = ""
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break
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elif array[0] == '"':
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for i in range(1, len(array)):
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if array[i] == '"':
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if array[i-1] == "\\":
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continue
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new_array.append(array[:i+1])
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array = array[i+1:]
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break
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elif i + 2 == len(array):
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new_array.append(array)
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array = ""
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break
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else: error()
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array = str(len(new_array))
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for i in new_array:
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array += " " + parse_value(i)
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return array
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except Exception as e:
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print("Ошибка при определении массива: ", e)
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def parse_string(string: str) -> str:
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def error():
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print("Ошибка в определении строки: последовательность " + string + " не является строкой")
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exit()
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try:
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for i in range(len(string)-1):
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if string[i] == "\\" and i != len(string) - 1:
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if string[i+1] not in '"\\/bfnrt':
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continue
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elif string[i+1] == "u" and i + 6 < len(string):
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for j in range(4):
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if string[i+2+j].lower() not in "0123456789abcdef": error()
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else: error()
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return string
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except Exception as e:
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print("Ошибка при определении строки: ", e)
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def parse_number(number: str) -> str:
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def error():
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print("Ошибка в определении числа: последовательность " + number + " не является числом")
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exit()
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checked_number = str()
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try:
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if number.lower()[-1] == "e": error()
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if "e" in number.lower():
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num1, num2 = number[:number.lower().find("e")], number[number.lower().find("e") + 1:]
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else:
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num1, num2 = number, "not"
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if all([i in "-0123456789." for i in num1]):
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if num1.count(".") == 0 and num1.count("-") == 0:
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if len(num1) > 0:
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checked_number += num1
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else: error()
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elif num1.count(".") == 1 and num1.count("-") == 1:
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if len(num1) > 2 and num1[0] == "-" and num1[-1] != ".":
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checked_number += num1
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else: error()
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elif num1.count("-") == 1:
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if len(num1) > 1 and num1[0] == "-":
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checked_number += num1
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else: error()
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elif num1.count(".") == 1:
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if len(num1) > 1 and num1[0] != "." and num1[-1] != ".":
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checked_number += num1
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else: error()
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else: error()
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else: error()
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if num2 != "not":
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checked_number += "e"
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if all([i in "+-0123456789" for i in num2]):
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if (num2.count("+") + num2.count("-")) == 1 and len(num2) > 1:
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if num2[0] == "+" or num2[0] == "-":
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checked_number += num2
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else: error()
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elif num2.count("+") + num2.count("-") == 0:
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checked_number += num2
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else: error()
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else: error()
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return checked_number
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except Exception as e:
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print("Ошибка при определении числа: ", e)
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def clear_spaces(line: str) -> str:
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while line[0] in "\r\t\n ":
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line = line[1:]
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while line[-1] in "\r\t\n ":
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line = line[:-1]
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return line
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if __name__ == "__main__":
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json_to_bin("schedule.json") |