We don't use this anymore
This commit is contained in:
Chris Jones
parent
dbe683e259
commit
b4370235b5
@ -1,233 +0,0 @@
|
||||
#!/usr/bin/python
|
||||
|
||||
import re
|
||||
from terminatorlib.util import dbg
|
||||
from terminatorlib import translation
|
||||
|
||||
def group(*choices): return '(' + '|'.join(choices) + ')'
|
||||
def any(*choices): return group(*choices) + '*'
|
||||
def maybe(*choices): return group(*choices) + '?'
|
||||
|
||||
Newline = re.compile(r'[\r\n]+')
|
||||
Whitespace = r'[ \f\t]*'
|
||||
Comment = r'#[^\r\n]*'
|
||||
Ignore = re.compile(Whitespace + maybe(Comment) + maybe(r'[\r\n]+') + '$')
|
||||
|
||||
WhitespaceRE = re.compile(Whitespace)
|
||||
CommentRE = re.compile(Comment)
|
||||
|
||||
QuotedStrings = {"'": re.compile(r"'([^'\r\n]*)'"), '"': re.compile(r'"([^"\r\n]*)"')}
|
||||
|
||||
Section = re.compile(r"\[([^\r\n\]]+)\][ \f\t]*")
|
||||
Setting = re.compile(r"(\w+)\s*=\s*")
|
||||
|
||||
PaletteColours = '(?:#[0-9a-fA-F]{12}:){15}#[0-9a-fA-F]{12}'
|
||||
SingleColour = '#[0-9a-fA-F]{6}|#[0-9a-fA-F]{3}'
|
||||
|
||||
Colourvalue = re.compile(group(PaletteColours, SingleColour))
|
||||
Barevalue = re.compile(r'((?:[^\r\n# \f\t]+|[^\r\n#]+(?!' + Ignore.pattern +'))+)')
|
||||
|
||||
Tabsize = 8
|
||||
HandleIndents = False
|
||||
|
||||
class ConfigSyntaxError(Exception):
|
||||
def __init__(self, message, cf):
|
||||
self.single_error = cf.errors_are_fatal
|
||||
self.message = message
|
||||
self.file = cf.filename
|
||||
self.lnum = cf._lnum
|
||||
self.pos = cf._pos
|
||||
self.line = cf._line
|
||||
|
||||
def __str__(self):
|
||||
if self.single_error:
|
||||
fmt = "File %(file)s line %(lnum)d:\n %(line)s\n %(pad)s^\n%(message)s"
|
||||
else:
|
||||
fmt = " * %(message)s, line %(lnum)d:\n %(line)s\n %(pad)s^\n"
|
||||
return fmt % {'message': self.message, 'file': self.file, 'lnum': self.lnum,
|
||||
'line': self.line.rstrip(), 'pad': '-' * self.pos}
|
||||
|
||||
class ConfigIndentError(ConfigSyntaxError):
|
||||
pass
|
||||
|
||||
class ParsedWithErrors(Exception):
|
||||
def __init__(self, filename, errors):
|
||||
self.file = filename
|
||||
self.errors = errors
|
||||
|
||||
def __str__(self):
|
||||
return """Errors were encountered while parsing configuration file:
|
||||
|
||||
%r
|
||||
|
||||
Some lines have been ignored.
|
||||
|
||||
%s
|
||||
""" % (self.file, "\n".join(map(lambda error: str(error), self.errors)))
|
||||
|
||||
|
||||
class ConfigFile:
|
||||
def __init__(self, filename = None, callback = None, errors_are_fatal = False):
|
||||
self.callback = callback
|
||||
self.errors_are_fatal = errors_are_fatal
|
||||
self.filename = filename
|
||||
self.errors = []
|
||||
|
||||
def _call_if_match(self, re, callable, group = 0):
|
||||
if self._pos == self._max:
|
||||
return False
|
||||
mo = re.match(self._line, self._pos)
|
||||
if mo:
|
||||
if callable:
|
||||
callable(mo.group(group))
|
||||
self._pos = mo.end()
|
||||
return True
|
||||
else:
|
||||
return False
|
||||
|
||||
def _call_if_quoted_string(self, callable):
|
||||
if self._pos == self._max:
|
||||
return False
|
||||
chr = self._line[self._pos]
|
||||
if chr in '"\'':
|
||||
string = ''
|
||||
while True:
|
||||
mo = QuotedStrings[chr].match(self._line, self._pos)
|
||||
if mo is None:
|
||||
raise ConfigSyntaxError(_("Unterminated quoted string"), self)
|
||||
self._pos = mo.end()
|
||||
if self._line[self._pos - 2] == '\\':
|
||||
string += mo.group(1)[0:-1] + chr
|
||||
self._pos -= 1
|
||||
else:
|
||||
string += mo.group(1)
|
||||
break
|
||||
callable(string)
|
||||
return True
|
||||
else:
|
||||
return False
|
||||
|
||||
def parse(self):
|
||||
file = open(self.filename)
|
||||
rc = file.readlines()
|
||||
file.close()
|
||||
|
||||
self._indents = [0]
|
||||
self._pos = 0
|
||||
self._max = 0
|
||||
self._lnum = 0
|
||||
self._line = ''
|
||||
|
||||
self._sections = {}
|
||||
self._currsetting = None
|
||||
self._currvalue = None
|
||||
self.errors = []
|
||||
|
||||
for self._line in rc:
|
||||
try:
|
||||
self._lnum += 1
|
||||
self._pos = 0
|
||||
self._max = len(self._line)
|
||||
dbg("Line %d: %r" % (self._lnum, self._line))
|
||||
|
||||
if HandleIndents:
|
||||
self._find_indent()
|
||||
else:
|
||||
self._call_if_match(WhitespaceRE, None)
|
||||
|
||||
# [Section]
|
||||
self._call_if_match(Section, self._section, 1)
|
||||
# setting =
|
||||
if self._call_if_match(Setting, self._setting, 1):
|
||||
# "quoted value"
|
||||
if not self._call_if_quoted_string(self._value):
|
||||
# #000000 # colour that would otherwise be a comment
|
||||
if not self._call_if_match(Colourvalue, self._value, 1):
|
||||
# bare value
|
||||
if not self._call_if_match(Barevalue, self._value, 1):
|
||||
raise ConfigSyntaxError(_("Setting without a value"), self)
|
||||
|
||||
self._call_if_match(Ignore, lambda junk: dbg("Skipping: %r" % junk))
|
||||
|
||||
if self._line[self._pos:] != '':
|
||||
raise ConfigSyntaxError(_("Unexpected token"), self)
|
||||
self._line_ok()
|
||||
except ConfigSyntaxError, e:
|
||||
self._line_error(e)
|
||||
except ConfigIndentError, e:
|
||||
self.errors.append(e)
|
||||
break
|
||||
|
||||
if self.errors:
|
||||
raise ParsedWithErrors(self.filename, self.errors)
|
||||
|
||||
def _find_indent(self):
|
||||
# Based on tokenizer.py in the base Python standard library
|
||||
column = 0
|
||||
while self._pos < self._max:
|
||||
chr = self._line[self._pos]
|
||||
if chr == ' ': column += 1
|
||||
elif chr == '\t': column = (column / Tabsize + 1) * Tabsize
|
||||
elif chr == '\f': column = 0
|
||||
else: break
|
||||
self._pos += 1
|
||||
if self._pos == self._max: return
|
||||
|
||||
if column > self._indents[-1]:
|
||||
self._indents.append(column)
|
||||
self._indent() # self._line[:self._pos])
|
||||
|
||||
while column < self._indents[-1]:
|
||||
if column not in self._indents:
|
||||
raise ConfigSyntaxError("Unindent does not match a previous indent, config parsing aborted", self)
|
||||
self._indents.pop()
|
||||
self._deindent()
|
||||
|
||||
def _indent(self):
|
||||
dbg(" -> Indent %d" % len(self._indents))
|
||||
|
||||
def _deindent(self):
|
||||
dbg(" -> Deindent %d" % len(self._indents))
|
||||
|
||||
def _get_section(self):
|
||||
i = 1
|
||||
sections = []
|
||||
while i <= len(self._indents):
|
||||
sname = self._sections.get(i, None)
|
||||
if not sname:
|
||||
break
|
||||
sections.append(str(sname))
|
||||
i += 1
|
||||
return tuple(sections)
|
||||
|
||||
def _section(self, section):
|
||||
dbg("Section %r" % section)
|
||||
self._sections[len(self._indents)] = section.lower()
|
||||
|
||||
def _setting(self, setting):
|
||||
dbg("Setting %r" % setting)
|
||||
self._currsetting = setting.lower()
|
||||
|
||||
def _value(self, value):
|
||||
dbg("Value %r" % value)
|
||||
self._currvalue = value
|
||||
|
||||
def _line_ok(self):
|
||||
if self._currvalue is None: return
|
||||
else:
|
||||
try: # *glares at 2.4 users*
|
||||
try:
|
||||
self.callback(self._get_section(), self._currsetting, self._currvalue)
|
||||
except ValueError, e:
|
||||
raise ConfigSyntaxError(str(e), self)
|
||||
finally:
|
||||
self._currvalue = None
|
||||
|
||||
def _line_error(self, e):
|
||||
self._currvalue = None
|
||||
if self.errors_are_fatal:
|
||||
raise e
|
||||
else:
|
||||
self.errors.append(e)
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user