Delete tools/telemetry.

tools/telemetry/third_party/webpagereplay/third_party/dns/tokenizer.py

Index: tools/telemetry/third_party/webpagereplay/third_party/dns/tokenizer.py
diff --git a/tools/telemetry/third_party/webpagereplay/third_party/dns/tokenizer.py b/tools/telemetry/third_party/webpagereplay/third_party/dns/tokenizer.py
deleted file mode 100644
index 4f68a2a4952c467567518b478a998a79b38735dc..0000000000000000000000000000000000000000
--- a/tools/telemetry/third_party/webpagereplay/third_party/dns/tokenizer.py
+++ /dev/null
@@ -1,547 +0,0 @@
-# Copyright (C) 2003-2007, 2009, 2010 Nominum, Inc.
-#
-# Permission to use, copy, modify, and distribute this software and its
-# documentation for any purpose with or without fee is hereby granted,
-# provided that the above copyright notice and this permission notice
-# appear in all copies.
-#
-# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES
-# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
-# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR
-# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
-# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
-# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
-# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-
-"""Tokenize DNS master file format"""
-
-import cStringIO
-import sys
-
-import dns.exception
-import dns.name
-import dns.ttl
-
-_DELIMITERS = {
-    ' ' : True,
-    '\t' : True,
-    '\n' : True,
-    ';' : True,
-    '(' : True,
-    ')' : True,
-    '"' : True }
-
-_QUOTING_DELIMITERS = { '"' : True }
-
-EOF = 0
-EOL = 1
-WHITESPACE = 2
-IDENTIFIER = 3
-QUOTED_STRING = 4
-COMMENT = 5
-DELIMITER = 6
-
-class UngetBufferFull(dns.exception.DNSException):
-    """Raised when an attempt is made to unget a token when the unget
-    buffer is full."""
-    pass
-
-class Token(object):
-    """A DNS master file format token.
-
-    @ivar ttype: The token type
-    @type ttype: int
-    @ivar value: The token value
-    @type value: string
-    @ivar has_escape: Does the token value contain escapes?
-    @type has_escape: bool
-    """
-
-    def __init__(self, ttype, value='', has_escape=False):
-        """Initialize a token instance.
-
-        @param ttype: The token type
-        @type ttype: int
-        @ivar value: The token value
-        @type value: string
-        @ivar has_escape: Does the token value contain escapes?
-        @type has_escape: bool
-        """
-        self.ttype = ttype
-        self.value = value
-        self.has_escape = has_escape
-
-    def is_eof(self):
-        return self.ttype == EOF
-
-    def is_eol(self):
-        return self.ttype == EOL
-
-    def is_whitespace(self):
-        return self.ttype == WHITESPACE
-
-    def is_identifier(self):
-        return self.ttype == IDENTIFIER
-
-    def is_quoted_string(self):
-        return self.ttype == QUOTED_STRING
-
-    def is_comment(self):
-        return self.ttype == COMMENT
-
-    def is_delimiter(self):
-        return self.ttype == DELIMITER
-
-    def is_eol_or_eof(self):
-        return (self.ttype == EOL or self.ttype == EOF)
-
-    def __eq__(self, other):
-        if not isinstance(other, Token):
-            return False
-        return (self.ttype == other.ttype and
-                self.value == other.value)
-
-    def __ne__(self, other):
-        if not isinstance(other, Token):
-            return True
-        return (self.ttype != other.ttype or
-                self.value != other.value)
-
-    def __str__(self):
-        return '%d "%s"' % (self.ttype, self.value)
-
-    def unescape(self):
-        if not self.has_escape:
-            return self
-        unescaped = ''
-        l = len(self.value)
-        i = 0
-        while i < l:
-            c = self.value[i]
-            i += 1
-            if c == '\\':
-                if i >= l:
-                    raise dns.exception.UnexpectedEnd
-                c = self.value[i]
-                i += 1
-                if c.isdigit():
-                    if i >= l:
-                        raise dns.exception.UnexpectedEnd
-                    c2 = self.value[i]
-                    i += 1
-                    if i >= l:
-                        raise dns.exception.UnexpectedEnd
-                    c3 = self.value[i]
-                    i += 1
-                    if not (c2.isdigit() and c3.isdigit()):
-                        raise dns.exception.SyntaxError
-                    c = chr(int(c) * 100 + int(c2) * 10 + int(c3))
-            unescaped += c
-        return Token(self.ttype, unescaped)
-
-    # compatibility for old-style tuple tokens
-
-    def __len__(self):
-        return 2
-
-    def __iter__(self):
-        return iter((self.ttype, self.value))
-
-    def __getitem__(self, i):
-        if i == 0:
-            return self.ttype
-        elif i == 1:
-            return self.value
-        else:
-            raise IndexError
-
-class Tokenizer(object):
-    """A DNS master file format tokenizer.
-
-    A token is a (type, value) tuple, where I{type} is an int, and
-    I{value} is a string.  The valid types are EOF, EOL, WHITESPACE,
-    IDENTIFIER, QUOTED_STRING, COMMENT, and DELIMITER.
-
-    @ivar file: The file to tokenize
-    @type file: file
-    @ivar ungotten_char: The most recently ungotten character, or None.
-    @type ungotten_char: string
-    @ivar ungotten_token: The most recently ungotten token, or None.
-    @type ungotten_token: (int, string) token tuple
-    @ivar multiline: The current multiline level.  This value is increased
-    by one every time a '(' delimiter is read, and decreased by one every time
-    a ')' delimiter is read.
-    @type multiline: int
-    @ivar quoting: This variable is true if the tokenizer is currently
-    reading a quoted string.
-    @type quoting: bool
-    @ivar eof: This variable is true if the tokenizer has encountered EOF.
-    @type eof: bool
-    @ivar delimiters: The current delimiter dictionary.
-    @type delimiters: dict
-    @ivar line_number: The current line number
-    @type line_number: int
-    @ivar filename: A filename that will be returned by the L{where} method.
-    @type filename: string
-    """
-
-    def __init__(self, f=sys.stdin, filename=None):
-        """Initialize a tokenizer instance.
-
-        @param f: The file to tokenize.  The default is sys.stdin.
-        This parameter may also be a string, in which case the tokenizer
-        will take its input from the contents of the string.
-        @type f: file or string
-        @param filename: the name of the filename that the L{where} method
-        will return.
-        @type filename: string
-        """
-
-        if isinstance(f, str):
-            f = cStringIO.StringIO(f)
-            if filename is None:
-                filename = '<string>'
-        else:
-            if filename is None:
-                if f is sys.stdin:
-                    filename = '<stdin>'
-                else:
-                    filename = '<file>'
-        self.file = f
-        self.ungotten_char = None
-        self.ungotten_token = None
-        self.multiline = 0
-        self.quoting = False
-        self.eof = False
-        self.delimiters = _DELIMITERS
-        self.line_number = 1
-        self.filename = filename
-
-    def _get_char(self):
-        """Read a character from input.
-        @rtype: string
-        """
-
-        if self.ungotten_char is None:
-            if self.eof:
-                c = ''
-            else:
-                c = self.file.read(1)
-                if c == '':
-                    self.eof = True
-                elif c == '\n':
-                    self.line_number += 1
-        else:
-            c = self.ungotten_char
-            self.ungotten_char = None
-        return c
-
-    def where(self):
-        """Return the current location in the input.
-
-        @rtype: (string, int) tuple.  The first item is the filename of
-        the input, the second is the current line number.
-        """
-
-        return (self.filename, self.line_number)
-
-    def _unget_char(self, c):
-        """Unget a character.
-
-        The unget buffer for characters is only one character large; it is
-        an error to try to unget a character when the unget buffer is not
-        empty.
-
-        @param c: the character to unget
-        @type c: string
-        @raises UngetBufferFull: there is already an ungotten char
-        """
-
-        if not self.ungotten_char is None:
-            raise UngetBufferFull
-        self.ungotten_char = c
-
-    def skip_whitespace(self):
-        """Consume input until a non-whitespace character is encountered.
-
-        The non-whitespace character is then ungotten, and the number of
-        whitespace characters consumed is returned.
-
-        If the tokenizer is in multiline mode, then newlines are whitespace.
-
-        @rtype: int
-        """
-
-        skipped = 0
-        while True:
-            c = self._get_char()
-            if c != ' ' and c != '\t':
-                if (c != '\n') or not self.multiline:
-                    self._unget_char(c)
-                    return skipped
-            skipped += 1
-
-    def get(self, want_leading = False, want_comment = False):
-        """Get the next token.
-
-        @param want_leading: If True, return a WHITESPACE token if the
-        first character read is whitespace.  The default is False.
-        @type want_leading: bool
-        @param want_comment: If True, return a COMMENT token if the
-        first token read is a comment.  The default is False.
-        @type want_comment: bool
-        @rtype: Token object
-        @raises dns.exception.UnexpectedEnd: input ended prematurely
-        @raises dns.exception.SyntaxError: input was badly formed
-        """
-
-        if not self.ungotten_token is None:
-            token = self.ungotten_token
-            self.ungotten_token = None
-            if token.is_whitespace():
-                if want_leading:
-                    return token
-            elif token.is_comment():
-                if want_comment:
-                    return token
-            else:
-                return token
-        skipped = self.skip_whitespace()
-        if want_leading and skipped > 0:
-            return Token(WHITESPACE, ' ')
-        token = ''
-        ttype = IDENTIFIER
-        has_escape = False
-        while True:
-            c = self._get_char()
-            if c == '' or c in self.delimiters:
-                if c == '' and self.quoting:
-                    raise dns.exception.UnexpectedEnd
-                if token == '' and ttype != QUOTED_STRING:
-                    if c == '(':
-                        self.multiline += 1
-                        self.skip_whitespace()
-                        continue
-                    elif c == ')':
-                        if not self.multiline > 0:
-                            raise dns.exception.SyntaxError
-                        self.multiline -= 1
-                        self.skip_whitespace()
-                        continue
-                    elif c == '"':
-                        if not self.quoting:
-                            self.quoting = True
-                            self.delimiters = _QUOTING_DELIMITERS
-                            ttype = QUOTED_STRING
-                            continue
-                        else:
-                            self.quoting = False
-                            self.delimiters = _DELIMITERS
-                            self.skip_whitespace()
-                            continue
-                    elif c == '\n':
-                        return Token(EOL, '\n')
-                    elif c == ';':
-                        while 1:
-                            c = self._get_char()
-                            if c == '\n' or c == '':
-                                break
-                            token += c
-                        if want_comment:
-                            self._unget_char(c)
-                            return Token(COMMENT, token)
-                        elif c == '':
-                            if self.multiline:
-                                raise dns.exception.SyntaxError('unbalanced parentheses')
-                            return Token(EOF)
-                        elif self.multiline:
-                            self.skip_whitespace()
-                            token = ''
-                            continue
-                        else:
-                            return Token(EOL, '\n')
-                    else:
-                        # This code exists in case we ever want a
-                        # delimiter to be returned.  It never produces
-                        # a token currently.
-                        token = c
-                        ttype = DELIMITER
-                else:
-                    self._unget_char(c)
-                break
-            elif self.quoting:
-                if c == '\\':
-                    c = self._get_char()
-                    if c == '':
-                        raise dns.exception.UnexpectedEnd
-                    if c.isdigit():
-                        c2 = self._get_char()
-                        if c2 == '':
-                            raise dns.exception.UnexpectedEnd
-                        c3 = self._get_char()
-                        if c == '':
-                            raise dns.exception.UnexpectedEnd
-                        if not (c2.isdigit() and c3.isdigit()):
-                            raise dns.exception.SyntaxError
-                        c = chr(int(c) * 100 + int(c2) * 10 + int(c3))
-                elif c == '\n':
-                    raise dns.exception.SyntaxError('newline in quoted string')
-            elif c == '\\':
-                #
-                # It's an escape.  Put it and the next character into
-                # the token; it will be checked later for goodness.
-                #
-                token += c
-                has_escape = True
-                c = self._get_char()
-                if c == '' or c == '\n':
-                    raise dns.exception.UnexpectedEnd
-            token += c
-        if token == '' and ttype != QUOTED_STRING:
-            if self.multiline:
-                raise dns.exception.SyntaxError('unbalanced parentheses')
-            ttype = EOF
-        return Token(ttype, token, has_escape)
-
-    def unget(self, token):
-        """Unget a token.
-
-        The unget buffer for tokens is only one token large; it is
-        an error to try to unget a token when the unget buffer is not
-        empty.
-
-        @param token: the token to unget
-        @type token: Token object
-        @raises UngetBufferFull: there is already an ungotten token
-        """
-
-        if not self.ungotten_token is None:
-            raise UngetBufferFull
-        self.ungotten_token = token
-
-    def next(self):
-        """Return the next item in an iteration.
-        @rtype: (int, string)
-        """
-
-        token = self.get()
-        if token.is_eof():
-            raise StopIteration
-        return token
-
-    def __iter__(self):
-        return self
-
-    # Helpers
-
-    def get_int(self):
-        """Read the next token and interpret it as an integer.
-
-        @raises dns.exception.SyntaxError:
-        @rtype: int
-        """
-
-        token = self.get().unescape()
-        if not token.is_identifier():
-            raise dns.exception.SyntaxError('expecting an identifier')
-        if not token.value.isdigit():
-            raise dns.exception.SyntaxError('expecting an integer')
-        return int(token.value)
-
-    def get_uint8(self):
-        """Read the next token and interpret it as an 8-bit unsigned
-        integer.
-
-        @raises dns.exception.SyntaxError:
-        @rtype: int
-        """
-
-        value = self.get_int()
-        if value < 0 or value > 255:
-            raise dns.exception.SyntaxError('%d is not an unsigned 8-bit integer' % value)
-        return value
-
-    def get_uint16(self):
-        """Read the next token and interpret it as a 16-bit unsigned
-        integer.
-
-        @raises dns.exception.SyntaxError:
-        @rtype: int
-        """
-
-        value = self.get_int()
-        if value < 0 or value > 65535:
-            raise dns.exception.SyntaxError('%d is not an unsigned 16-bit integer' % value)
-        return value
-
-    def get_uint32(self):
-        """Read the next token and interpret it as a 32-bit unsigned
-        integer.
-
-        @raises dns.exception.SyntaxError:
-        @rtype: int
-        """
-
-        token = self.get().unescape()
-        if not token.is_identifier():
-            raise dns.exception.SyntaxError('expecting an identifier')
-        if not token.value.isdigit():
-            raise dns.exception.SyntaxError('expecting an integer')
-        value = long(token.value)
-        if value < 0 or value > 4294967296L:
-            raise dns.exception.SyntaxError('%d is not an unsigned 32-bit integer' % value)
-        return value
-
-    def get_string(self, origin=None):
-        """Read the next token and interpret it as a string.
-
-        @raises dns.exception.SyntaxError:
-        @rtype: string
-        """
-
-        token = self.get().unescape()
-        if not (token.is_identifier() or token.is_quoted_string()):
-            raise dns.exception.SyntaxError('expecting a string')
-        return token.value
-
-    def get_identifier(self, origin=None):
-        """Read the next token and raise an exception if it is not an identifier.
-
-        @raises dns.exception.SyntaxError:
-        @rtype: string
-        """
-
-        token = self.get().unescape()
-        if not token.is_identifier():
-            raise dns.exception.SyntaxError('expecting an identifier')
-        return token.value
-
-    def get_name(self, origin=None):
-        """Read the next token and interpret it as a DNS name.
-
-        @raises dns.exception.SyntaxError:
-        @rtype: dns.name.Name object"""
-
-        token = self.get()
-        if not token.is_identifier():
-            raise dns.exception.SyntaxError('expecting an identifier')
-        return dns.name.from_text(token.value, origin)
-
-    def get_eol(self):
-        """Read the next token and raise an exception if it isn't EOL or
-        EOF.
-
-        @raises dns.exception.SyntaxError:
-        @rtype: string
-        """
-
-        token = self.get()
-        if not token.is_eol_or_eof():
-            raise dns.exception.SyntaxError('expected EOL or EOF, got %d "%s"' % (token.ttype, token.value))
-        return token.value
-
-    def get_ttl(self):
-        token = self.get().unescape()
-        if not token.is_identifier():
-            raise dns.exception.SyntaxError('expecting an identifier')
-        return dns.ttl.from_text(token.value)