selfie_lib.SnapshotValueReader.SnapshotValueReader Class Reference

Public Member Functions
	__init__ (self, LineReader line_reader)
Optional[str]	peek_key (self)
SnapshotValue	next_value (self)
None	skip_value (self)
"SnapshotValueReader"	of (cls, str content)
"SnapshotValueReader"	of_binary (cls, bytes content)

Public Attributes
	line_reader = line_reader
Optional[str]	line = None
	unix_newlines = self.line_reader.unix_newlines()

Static Public Attributes
str	KEY_FIRST_CHAR = "╔"
str	KEY_START = "╔═ "
str	KEY_END = " ═╗"
str	FLAG_BASE64 = " ═╗ base64"
	name_esc = PerCharacterEscaper.specified_escape("\\\\‍[(])\nn\tt╔┌╗┐═─")
	body_esc = PerCharacterEscaper.self_escape("\ud801\udf43\ud801\udf41")

Detailed Description

Definition at line 10 of file SnapshotValueReader.py.

Constructor & Destructor Documentation

__init__()

selfie_lib.SnapshotValueReader.SnapshotValueReader.__init__	(		self,
		LineReader	line_reader )

Definition at line 18 of file SnapshotValueReader.py.

    def __init__(self, line_reader: LineReader):
        self.line_reader = line_reader
        self.line: Optional[str] = None
        self.unix_newlines = self.line_reader.unix_newlines()
 

Member Function Documentation

next_value()

SnapshotValue selfie_lib.SnapshotValueReader.SnapshotValueReader.next_value

(

self

)

Definition at line 26 of file SnapshotValueReader.py.

    def next_value(self) -> SnapshotValue:
        # Validate key
        self.__next_key()
        nextLineCheckForBase64: Optional[str] = self.__next_line()
        if nextLineCheckForBase64 is None:
            raise ParseException(self.line_reader, "Expected to validate key")
        is_base64: bool = self.FLAG_BASE64 in nextLineCheckForBase64
        self.__reset_line()
 
        # Read value
        buffer: list[str] = []
 
        def consumer(line: str) -> None:
            # Check for special condition and append to buffer accordingly
            if len(line) >= 2 and ord(line[0]) == 0xD801 and ord(line[1]) == 0xDF41:
                buffer.append(self.KEY_FIRST_CHAR)
                buffer.append(line[2:])
            else:
                buffer.append(line)
            buffer.append("\n")
 
        self.__scan_value(consumer)
 
        raw_string: str = "" if buffer.__len__() == 0 else ("".join(buffer))[:-1]
 
        # Decode or unescape value
        if is_base64:
            decoded_bytes: bytes = base64.b64decode(raw_string)
            return SnapshotValue.of(decoded_bytes)
        else:
            return SnapshotValue.of(self.body_esc.unescape(raw_string))
 

of()

"SnapshotValueReader" selfie_lib.SnapshotValueReader.SnapshotValueReader.of	(		cls,
		str	content )

Definition at line 104 of file SnapshotValueReader.py.

    def of(cls, content: str) -> "SnapshotValueReader":
        return cls(LineReader.for_string(content))
 

of_binary()

"SnapshotValueReader" selfie_lib.SnapshotValueReader.SnapshotValueReader.of_binary	(		cls,
		bytes	content )

Definition at line 108 of file SnapshotValueReader.py.

    def of_binary(cls, content: bytes) -> "SnapshotValueReader":
        return cls(LineReader.for_binary(content))

peek_key()

Optional[str] selfie_lib.SnapshotValueReader.SnapshotValueReader.peek_key

(

self

)

Definition at line 23 of file SnapshotValueReader.py.

    def peek_key(self) -> Optional[str]:
        return self.__next_key()
 

skip_value()

None selfie_lib.SnapshotValueReader.SnapshotValueReader.skip_value

(

self

)

Definition at line 58 of file SnapshotValueReader.py.

    def skip_value(self) -> None:
        self.__next_key()
        self.__reset_line()
        self.__scan_value(lambda _: None)
 

Member Data Documentation

body_esc

selfie_lib.SnapshotValueReader.SnapshotValueReader.body_esc = PerCharacterEscaper.self_escape("\ud801\udf43\ud801\udf41")

static

Definition at line 16 of file SnapshotValueReader.py.

FLAG_BASE64

str selfie_lib.SnapshotValueReader.SnapshotValueReader.FLAG_BASE64 = " ═╗ base64"

static

Definition at line 14 of file SnapshotValueReader.py.

KEY_END

str selfie_lib.SnapshotValueReader.SnapshotValueReader.KEY_END = " ═╗"

static

Definition at line 13 of file SnapshotValueReader.py.

KEY_FIRST_CHAR

selfie_lib.SnapshotValueReader.SnapshotValueReader.KEY_FIRST_CHAR = "╔"

static

Definition at line 11 of file SnapshotValueReader.py.

KEY_START

str selfie_lib.SnapshotValueReader.SnapshotValueReader.KEY_START = "╔═ "

static

Definition at line 12 of file SnapshotValueReader.py.

line

Optional[str] selfie_lib.SnapshotValueReader.SnapshotValueReader.line = None

Definition at line 20 of file SnapshotValueReader.py.

line_reader

selfie_lib.SnapshotValueReader.SnapshotValueReader.line_reader = line_reader

Definition at line 19 of file SnapshotValueReader.py.

name_esc

selfie_lib.SnapshotValueReader.SnapshotValueReader.name_esc = PerCharacterEscaper.specified_escape("\\\\‍[(])\nn\tt╔┌╗┐═─")

static

Definition at line 15 of file SnapshotValueReader.py.

unix_newlines

selfie_lib.SnapshotValueReader.SnapshotValueReader.unix_newlines = self.line_reader.unix_newlines()

Definition at line 21 of file SnapshotValueReader.py.

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The documentation for this class was generated from the following file:

• selfie-lib/selfie_lib/SnapshotValueReader.py