Merge "Initial commit: cframework. Longbow and Libparc" into cframework/master

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;
+}