diff options
Diffstat (limited to 'libparc/parc/algol/parc_OutputStream.c')
-rwxr-xr-x | libparc/parc/algol/parc_OutputStream.c | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/libparc/parc/algol/parc_OutputStream.c b/libparc/parc/algol/parc_OutputStream.c new file mode 100755 index 00000000..d00c1f09 --- /dev/null +++ b/libparc/parc/algol/parc_OutputStream.c @@ -0,0 +1,81 @@ +/* + * Copyright (c) 2017 Cisco and/or its affiliates. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/** + */ +#include <config.h> +#include <stdio.h> +#include <stdarg.h> + +#include <parc/algol/parc_Object.h> +#include <parc/algol/parc_OutputStream.h> + +struct parc_output_stream { + void *instance; + const PARCOutputStreamInterface *interface; +}; + +static void +_destroy(PARCOutputStream **streamPtr) +{ + PARCOutputStream *stream = *streamPtr; + (stream->interface->Release)((PARCOutputStream **) &stream->instance); +} + +parcObject_ExtendPARCObject(PARCOutputStream, _destroy, NULL, NULL, NULL, NULL, NULL, NULL); + +PARCOutputStream * +parcOutputStream_Create(void *instance, const PARCOutputStreamInterface *interface) +{ + PARCOutputStream *result = parcObject_CreateInstance(PARCOutputStream); + result->instance = instance; + result->interface = interface; + + return result; +} + +parcObject_ImplementAcquire(parcOutputStream, PARCOutputStream); + +parcObject_ImplementRelease(parcOutputStream, PARCOutputStream); + +size_t +parcOutputStream_Write(PARCOutputStream *stream, PARCBuffer *buffer) +{ + return (stream->interface->Write)(stream->instance, buffer); +} + +size_t +parcOutputStream_WriteCStrings(PARCOutputStream *stream, ...) +{ + va_list ap; + va_start(ap, stream); + + size_t result = 0; + + for (char *string = va_arg(ap, char *); string != NULL; string = va_arg(ap, char *)) { + result += parcOutputStream_WriteCString(stream, string); + } + + return result; +} + +size_t +parcOutputStream_WriteCString(PARCOutputStream *stream, const char *string) +{ + PARCBuffer *buffer = parcBuffer_WrapCString((char *) string); + size_t result = (stream->interface->Write)(stream->instance, buffer); + parcBuffer_Release(&buffer); + return result; +} |