Method execute

pattern/web/pdf/pdfinterp.py:773–805

(self, streams)

        return

    def execute(self, streams):
        try:
            parser = PDFContentParser(streams)
        except PSEOF:
            # empty page
            return
        while 1:
            try:
                (_,obj) = parser.nextobject()
            except PSEOF:
                break
            if isinstance(obj, PSKeyword):
                name = keyword_name(obj)
                method = 'do_%s' % name.replace('*','_a').replace('"','_w').replace("'",'_q')
                if hasattr(self, method):
                    func = getattr(self, method)
                    nargs = func.func_code.co_argcount-1
                    if nargs:
                        args = self.pop(nargs)
                        if 2 <= self.debug:
                            print >>sys.stderr, 'exec: %s %r' % (name, args)
                        if len(args) == nargs:
                            func(*args)
                    else:
                        if 2 <= self.debug:
                            print >>sys.stderr, 'exec: %s' % (name)
                        func()
                else:
                    if STRICT:
                        raise PDFInterpreterError('Unknown operator: %r' % name)
            else:
                self.push(obj)
        return


##  process_pdf