1 files changed, 115 insertions, 0 deletions
diff --git a/guththila/src/guththila_reader.c b/guththila/src/guththila_reader.c
new file mode 100644
index 0000000..bcb0efd
--- /dev/null
+++ b/guththila/src/guththila_reader.c
@@ -0,0 +1,115 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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 <stdlib.h>
+#include <string.h>
+#include <guththila_reader.h>
+GUTHTHILA_EXPORT guththila_reader_t * GUTHTHILA_CALL
+guththila_reader_create_for_file(
+    guththila_char_t *file_name,
+    const axutil_env_t * env)
+{
+    guththila_reader_t * reader = NULL;
+
+    FILE * f = NULL;
+    if(!file_name)
+        return NULL;
+    reader = (guththila_reader_t *)AXIS2_MALLOC(env->allocator, sizeof(guththila_reader_t));
+    if(!reader)
+        return NULL;
+    f = fopen(file_name, "r");
+    if(!f)
+    {
+        AXIS2_FREE(env->allocator, reader);
+        return NULL;
+    }
+    reader->fp = f;
+    reader->type = GUTHTHILA_FILE_READER;
+    return reader;
+}
+
+GUTHTHILA_EXPORT guththila_reader_t * GUTHTHILA_CALL
+guththila_reader_create_for_memory(
+    void *buffer,
+    int size,
+    const axutil_env_t * env)
+{
+    guththila_reader_t * reader = (guththila_reader_t *)AXIS2_MALLOC(env->allocator,
+        sizeof(guththila_reader_t));
+    if(reader)
+    {
+        reader->type = GUTHTHILA_MEMORY_READER;
+        reader->buff = buffer;
+        reader->buff_size = size;
+        reader->fp = NULL;
+        return reader;
+    }
+    return NULL;
+}
+
+GUTHTHILA_EXPORT guththila_reader_t * GUTHTHILA_CALL
+guththila_reader_create_for_io(
+    GUTHTHILA_READ_INPUT_CALLBACK input_read_callback,
+    void *ctx,
+    const axutil_env_t * env)
+{
+    guththila_reader_t * reader = (guththila_reader_t *)AXIS2_MALLOC(env->allocator,
+        sizeof(guththila_reader_t));
+    if(reader)
+    {
+        reader->input_read_callback = input_read_callback;
+        reader->context = ctx;
+        reader->type = GUTHTHILA_IO_READER;
+        return reader;
+    }
+    return NULL;
+}
+GUTHTHILA_EXPORT void GUTHTHILA_CALL
+guththila_reader_free(
+    guththila_reader_t * r,
+    const axutil_env_t * env)
+{
+    if(r->type == GUTHTHILA_FILE_READER && r->fp)
+    {
+        fclose(r->fp);
+    }
+    if(r->type == GUTHTHILA_IO_READER && r->context)
+    {
+        AXIS2_FREE(env->allocator, r->context);
+    }
+    AXIS2_FREE(env->allocator, r);
+
+}
+GUTHTHILA_EXPORT int GUTHTHILA_CALL
+guththila_reader_read(
+    guththila_reader_t * r,
+    guththila_char_t * buffer,
+    int offset,
+    int length,
+    const axutil_env_t * env)
+{
+    int rt = r->type;
+    switch(rt)
+    {
+        case GUTHTHILA_FILE_READER:
+            return (int)fread(buffer + offset, 1, length, r->fp);
+        case GUTHTHILA_IO_READER:
+            return r->input_read_callback((buffer + offset), length, r->context);
+        default:
+            return 0;
+    }
+}
+