def kh_dbLoadRecords(self, arg0, tokens, ref):
local_macros = macros.Macros(**self.env.db)
full_line = reconstruct_line(tokens).strip()
tokenLog = TokenLog()
tokenLog.tokenList = tokens
tokenLog.token_pointer = 1
args = parse_bracketed_macro_definitions(tokenLog)
nargs = len(args)
if nargs not in (1, 2, 3,):
msg = str(ref) + full_line
raise UnhandledTokenPattern, msg
utils.logMessage(arg0 + full_line, utils.LOGGING_DETAIL__NOISY)
dbFileName = local_macros.replace(utils.strip_quotes(args[0]))
if nargs in (2, 3,): # accumulate additional macro definitions
local_macros = self.parse_macro_args(args[1], ref, tokens, local_macros)
if nargs in (3,):
path = args[2]
# msg = str(ref) + full_line
if self.symbols.exists(path): # substitute from symbol table
path = self.symbols.get(path).value
if os.path.exists(path):
dbFileName = os.path.join(path, dbFileName)
try:
obj = database.Database(self, dbFileName, ref, **local_macros.db)
self.database_list.append(obj)
self.kh_shell_command(arg0, tokens, ref)
except text_file.FileNotFound, _exc:
msg = 'Could not find database file: ' + dbFileName
utils.detailedExceptionLog(msg)
return
def parse(self):
'''interpret records for PV declarations'''
tokenLog = TokenLog()
tokenLog.processFile(self.filename_expanded)
tok = tokenLog.nextActionable()
actions = {
#'NAME alias': self._parse_alias,
#'NAME info': self._parse_info,
'NAME grecord': self._parse_record,
'NAME record': self._parse_record,
}
while tok is not None:
tk = token_key(tok)
if tk in actions:
actions[tk](tokenLog)
tok = tokenLog.nextActionable()
def parse(self):
'''
interpret the template file for database declarations
The Python tokenizer makes simple work of parsing database files.
The TokenLog class interprets the contents according to a few simple terms
such as NAME, OP, COMMENT, NEWLINE.
'''
tokenLog = TokenLog()
tokenLog.processFile(self.filename_expanded)
tok = tokenLog.nextActionable()
actions = {
'NAME file': self._parse_file_statement,
'NAME global': self._parse_globals_statement,
}
while tok is not None:
tk = token_key(tok)
if tk in actions:
actions[tk](tokenLog)
tok = tokenLog.nextActionable()
def parse(self):
'''analyze this command file'''
tokenLog = TokenLog()
tokenLog.processFile(self.filename_absolute)
lines = tokenLog.lineAnalysis()
del lines['numbers']
for _lineNumber, line in sorted(lines.items()):
isNamePattern = line['pattern'].startswith( 'NAME' )
tk = token_key(line['tokens'][0])
if isNamePattern or tk == 'OP <':
arg0 = line['tokens'][0]['tokStr']
ref = self._make_ref(line['tokens'][0], arg0)
if line['tokens'][1]['tokStr'] == '=':
# this is a symbol assignment
handler = self.kh_symbol
handler(arg0, line['tokens'], ref)
elif arg0 in self.knownHandlers:
# command arg0 has a known handler, call it
handler = self.knownHandlers[arg0]
handler(arg0, line['tokens'], ref)
else:
self.kh_shell_command(arg0, line['tokens'], ref)
