Ghostscript.NET.Interpreter.GhostscriptInterpreter.Run C# (CSharp) Method

        public int Run(string str)
        {
            lock (this)
            {
                int exit_code;

                // check if the string we are trying to run doesn't exceed max length for the 'run_string' function
                if (str.Length < RUN_STRING_MAX_LENGTH)
                {
                    // GSAPI: run the string
                    int rc_run = _gs.gsapi_run_string(_gs_instance, str, 0, out exit_code);

                    if (ierrors.IsFatalIgnoreNeedInput(rc_run))
                    {
                        throw new GhostscriptAPICallException("gsapi_run_string", rc_run);
                    }

                    return rc_run;
                }
                else // we need to split a string into chunks
                {
                    // GSAPI: prepare a Ghostscript for running string in chunks
                    int rc_run_beg = _gs.gsapi_run_string_begin(_gs_instance, 0, out exit_code);

                    if (ierrors.IsFatalIgnoreNeedInput(rc_run_beg))
                    {
                        throw new GhostscriptAPICallException("gsapi_run_string_begin", rc_run_beg);
                    }

                    int chunkStart = 0;

                    // start splitting a string into chunks
                    for (int size = str.Length; size > 0; size -= RUN_STRING_MAX_LENGTH)
                    {
                        int chunkSize = (size < RUN_STRING_MAX_LENGTH) ? size : RUN_STRING_MAX_LENGTH;
                        string chunk = str.Substring(chunkStart, chunkSize);

                        // GSAPI: run a chunk
                        int rc_run_con = _gs.gsapi_run_string_continue(_gs_instance, chunk, (uint)chunkSize, 0, out exit_code);

                        if (ierrors.IsFatalIgnoreNeedInput(rc_run_con))
                        {
                            throw new GhostscriptAPICallException("gsapi_run_string_continue", rc_run_con);
                        }

                        chunkStart += chunkSize;
                    }

                    // GSAPI: notify Ghostscript we are done with running chunked string
                    int rc_run_end = _gs.gsapi_run_string_end(_gs_instance, 0, out exit_code);

                    if (ierrors.IsFatalIgnoreNeedInput(rc_run_end))
                    {
                        throw new GhostscriptAPICallException("gsapi_run_string_end", rc_run_end);
                    }

                    return rc_run_end;
                }
            }
        }