Separation Generator to a dedicated repo

Change-Id: Id94831651c3266861435272a6e36c7884bef2c45
Signed-off-by: Romain Forlot <romain.forlot@iot.bzh>

3 files changed, 136 insertions, 0 deletions

diff --git a/libs/nanopb/tests/basic_stream/SConscript b/libs/nanopb/tests/basic_stream/SConscript
new file mode 100644
index 00000000..7d668562
--- /dev/null
+++ b/libs/nanopb/tests/basic_stream/SConscript
@@ -0,0 +1,12 @@
+# Build and run a basic round-trip test using direct stream encoding.
+
+Import("env")
+
+enc = env.Program(["encode_stream.c", "$COMMON/person.pb.c", "$COMMON/pb_encode.o", "$COMMON/pb_common.o"])
+dec = env.Program(["decode_stream.c", "$COMMON/person.pb.c", "$COMMON/pb_decode.o", "$COMMON/pb_common.o"])
+
+env.RunTest(enc)
+env.RunTest([dec, "encode_stream.output"])
+env.Decode(["encode_stream.output", "$COMMON/person.proto"], MESSAGE = "Person")
+env.Compare(["decode_stream.output", "encode_stream.decoded"])
+
diff --git a/libs/nanopb/tests/basic_stream/decode_stream.c b/libs/nanopb/tests/basic_stream/decode_stream.c
new file mode 100644
index 00000000..798dcc50
--- /dev/null
+++ b/libs/nanopb/tests/basic_stream/decode_stream.c
@@ -0,0 +1,84 @@
+/* Same as test_decode1 but reads from stdin directly.
+ */
+
+#include <stdio.h>
+#include <pb_decode.h>
+#include "person.pb.h"
+#include "test_helpers.h"
+
+/* This function is called once from main(), it handles
+   the decoding and printing.
+   Ugly copy-paste from test_decode1.c. */
+bool print_person(pb_istream_t *stream)
+{
+    int i;
+    Person person = Person_init_zero;
+    
+    if (!pb_decode(stream, Person_fields, &person))
+        return false;
+    
+    /* Now the decoding is done, rest is just to print stuff out. */
+
+    printf("name: \"%s\"\n", person.name);
+    printf("id: %ld\n", (long)person.id);
+    
+    if (person.has_email)
+        printf("email: \"%s\"\n", person.email);
+    
+    for (i = 0; i < person.phone_count; i++)
+    {
+        Person_PhoneNumber *phone = &person.phone[i];
+        printf("phone {\n");
+        printf("  number: \"%s\"\n", phone->number);
+        
+        if (phone->has_type)
+        {
+            switch (phone->type)
+            {
+                case Person_PhoneType_WORK:
+                    printf("  type: WORK\n");
+                    break;
+                
+                case Person_PhoneType_HOME:
+                    printf("  type: HOME\n");
+                    break;
+                
+                case Person_PhoneType_MOBILE:
+                    printf("  type: MOBILE\n");
+                    break;
+            }
+        }
+        printf("}\n");
+    }
+    
+    return true;
+}
+
+/* This binds the pb_istream_t to stdin */
+bool callback(pb_istream_t *stream, uint8_t *buf, size_t count)
+{
+    FILE *file = (FILE*)stream->state;
+    bool status;
+    
+    status = (fread(buf, 1, count, file) == count);
+    
+    if (feof(file))
+        stream->bytes_left = 0;
+    
+    return status;
+}
+
+int main()
+{
+    pb_istream_t stream = {&callback, NULL, SIZE_MAX};
+    stream.state = stdin;
+    SET_BINARY_MODE(stdin);
+
+    if (!print_person(&stream))
+    {
+        printf("Parsing failed: %s\n", PB_GET_ERROR(&stream));
+        return 1;
+    } else {
+        return 0;
+    }
+}
diff --git a/libs/nanopb/tests/basic_stream/encode_stream.c b/libs/nanopb/tests/basic_stream/encode_stream.c
new file mode 100644
index 00000000..7f571c41
--- /dev/null
+++ b/libs/nanopb/tests/basic_stream/encode_stream.c
@@ -0,0 +1,40 @@
+/* Same as test_encode1.c, except writes directly to stdout.
+ */
+
+#include <stdio.h>
+#include <pb_encode.h>
+#include "person.pb.h"
+#include "test_helpers.h"
+
+/* This binds the pb_ostream_t into the stdout stream */
+bool streamcallback(pb_ostream_t *stream, const uint8_t *buf, size_t count)
+{
+    FILE *file = (FILE*) stream->state;
+    return fwrite(buf, 1, count, file) == count;
+}
+
+int main()
+{
+    /* Initialize the structure with constants */
+    Person person = {"Test Person 99", 99, true, "test@person.com",
+        3, {{"555-12345678", true, Person_PhoneType_MOBILE},
+            {"99-2342", false, 0},
+            {"1234-5678", true, Person_PhoneType_WORK},
+        }};
+    
+    /* Prepare the stream, output goes directly to stdout */
+    pb_ostream_t stream = {&streamcallback, NULL, SIZE_MAX, 0};
+    stream.state = stdout;
+    SET_BINARY_MODE(stdout);
+    
+    /* Now encode it and check if we succeeded. */
+    if (pb_encode(&stream, Person_fields, &person))
+    {
+        return 0; /* Success */
+    }
+    else
+    {
+        fprintf(stderr, "Encoding failed: %s\n", PB_GET_ERROR(&stream));
+        return 1; /* Failure */
+    }
+}