Lines Matching refs:self
26 def __init__(self, name, position, character, encoding, reason):
27 self.name = name
28 self.character = character
29 self.position = position
30 self.encoding = encoding
31 self.reason = reason
33 def __str__(self):
34 if isinstance(self.character, bytes):
37 % (self.encoding, ord(self.character), self.reason,
38 self.name, self.position)
42 % (self.character, self.reason,
43 self.name, self.position)
59 def __init__(self, stream):
60 self.name = None
61 self.stream = None
62 self.stream_pointer = 0
63 self.eof = True
64 self.buffer = ''
65 self.pointer = 0
66 self.raw_buffer = None
67 self.raw_decode = None
68 self.encoding = None
69 self.index = 0
70 self.line = 0
71 self.column = 0
73 self.name = "<unicode string>"
74 self.check_printable(stream)
75 self.buffer = stream+'\0'
77 self.name = "<byte string>"
78 self.raw_buffer = stream
79 self.determine_encoding()
81 self.stream = stream
82 self.name = getattr(stream, 'name', "<file>")
83 self.eof = False
84 self.raw_buffer = None
85 self.determine_encoding()
87 def peek(self, index=0):
89 return self.buffer[self.pointer+index]
91 self.update(index+1)
92 return self.buffer[self.pointer+index]
94 def prefix(self, length=1):
95 if self.pointer+length >= len(self.buffer):
96 self.update(length)
97 return self.buffer[self.pointer:self.pointer+length]
99 def forward(self, length=1):
100 if self.pointer+length+1 >= len(self.buffer):
101 self.update(length+1)
103 ch = self.buffer[self.pointer]
104 self.pointer += 1
105 self.index += 1
107 or (ch == '\r' and self.buffer[self.pointer] != '\n'):
108 self.line += 1
109 self.column = 0
111 self.column += 1
114 def get_mark(self):
115 if self.stream is None:
116 return Mark(self.name, self.index, self.line, self.column,
117 self.buffer, self.pointer)
119 return Mark(self.name, self.index, self.line, self.column,
122 def determine_encoding(self):
123 while not self.eof and (self.raw_buffer is None or len(self.raw_buffer) < 2):
124 self.update_raw()
125 if isinstance(self.raw_buffer, bytes):
126 if self.raw_buffer.startswith(codecs.BOM_UTF16_LE):
127 self.raw_decode = codecs.utf_16_le_decode
128 self.encoding = 'utf-16-le'
129 elif self.raw_buffer.startswith(codecs.BOM_UTF16_BE):
130 self.raw_decode = codecs.utf_16_be_decode
131 self.encoding = 'utf-16-be'
133 self.raw_decode = codecs.utf_8_decode
134 self.encoding = 'utf-8'
135 self.update(1)
138 def check_printable(self, data):
139 match = self.NON_PRINTABLE.search(data)
142 position = self.index+(len(self.buffer)-self.pointer)+match.start()
143 raise ReaderError(self.name, position, ord(character),
146 def update(self, length):
147 if self.raw_buffer is None:
149 self.buffer = self.buffer[self.pointer:]
150 self.pointer = 0
151 while len(self.buffer) < length:
152 if not self.eof:
153 self.update_raw()
154 if self.raw_decode is not None:
156 data, converted = self.raw_decode(self.raw_buffer,
157 'strict', self.eof)
159 character = self.raw_buffer[exc.start]
160 if self.stream is not None:
161 position = self.stream_pointer-len(self.raw_buffer)+exc.start
164 raise ReaderError(self.name, position, character,
167 data = self.raw_buffer
169 self.check_printable(data)
170 self.buffer += data
171 self.raw_buffer = self.raw_buffer[converted:]
172 if self.eof:
173 self.buffer += '\0'
174 self.raw_buffer = None
177 def update_raw(self, size=4096):
178 data = self.stream.read(size)
179 if self.raw_buffer is None:
180 self.raw_buffer = data
182 self.raw_buffer += data
183 self.stream_pointer += len(data)
185 self.eof = True