6.16.1. Tangler Base class

     1: #line 89 "tanglers.ipk"
     2: #---------------------------------------------------------
     3: # tangler base
     4: #---------------------------------------------------------
     5: class tangler_base:
     6:   __class_protocols__ = ['tangler']
     7:   def __init__(self,sink,weaver):
     8:     self.sink = sink
     9:     self.weaver = weaver
    10:     self.inhibit_sref = 0
    11:     if weaver:
    12:       self.pass_frame = weaver.pass_frame
    13:       self.master = self.pass_frame.master
    14:       self.process = self.master.process
    15:       if 'tanglers' in self.process.trace:
    16:         self.process.acquire_object(self, 'TANGLER')
    17:     else:
    18:       self.pass_frame = None
    19:       self.master = None
    20:       self.process = None
    21:     self.language = 'data'
    22: 
    23:   def get_language(self): return self.language
    24: 
    25:   def write_comment(self,line):
    26:     pass
    27: 
    28:   def _writeline(self,data):
    29:     self.sink.writeline(data)
    30: 
    31:   def _write_and_echo(self,data):
    32:     self._writeline(data)
    33:     self.weaver.echotangle(self.sink.lines_written,data)
    34: 
    35:   def _handle_sref(self, file, count, inhibit_sref):
    36:     if not inhibit_sref and not self.inhibit_sref:
    37:       if (file != self.sink.last_source_file or
    38:         count != self.sink.last_source_count+1 or
    39:         self.sink.last_inhibit_sref):
    40:         self.start_section(file,count)
    41:       self.sink.last_inhibit_sref = 0
    42:     else:
    43:       self.sink.last_inhibit_sref = 1
    44:     self.sink.last_source_file = file
    45:     self.sink.last_source_count = count
    46: 
    47:   def writeline(self,data,file,count, inhibit_sref=0):
    48:     self._handle_sref(file,count,inhibit_sref)
    49:     self._write_and_echo(data)
    50: 
    51:   def start_section(self,file,count): pass
    52: 
    53:   def __del__(self):
    54:     if self.process and 'tanglers' in self.process.trace:
    55:       self.process.release_object(self)
    56: 
    57: #---------------------------------------------------------
    58: # builtin tanglers: null, data, c, script
    59: #---------------------------------------------------------
    60: