Add "encoding" for sequence and array of integers

[babeltrace.git] / formats / ctf / types / sequence.c

diff --git a/formats/ctf/types/sequence.c b/formats/ctf/types/sequence.c
index 24e09069e57cd7f4581fbc58dd7ab65a986c5907..a14d5891027370cac352bc5522aebd6d5c38aed8 100644 (file)
--- a/formats/ctf/types/sequence.c
+++ b/formats/ctf/types/sequence.c
@@ -18,13 +18,71 @@
 
 #include <babeltrace/ctf/types.h>
 
-void ctf_sequence_begin(struct stream_pos *pos,
-                       const struct declaration_sequence *sequence_declaration)
+int ctf_sequence_read(struct stream_pos *ppos, struct definition *definition)
 {
-       align_pos(pos, sequence_declaration->p.alignment);
+       struct definition_sequence *sequence_definition =
+               container_of(definition, struct definition_sequence, p);
+       struct declaration_sequence *sequence_declaration =
+               sequence_definition->declaration;
+       struct declaration *elem = sequence_declaration->elem;
+       struct ctf_stream_pos *pos = ctf_pos(ppos);
+
+       if (elem->id == CTF_TYPE_INTEGER) {
+               struct declaration_integer *integer_declaration =
+                       container_of(elem, struct declaration_integer, p);
+
+               if (integer_declaration->encoding == CTF_STRING_UTF8
+                     || integer_declaration->encoding == CTF_STRING_ASCII) {
+
+                       if (integer_declaration->len == CHAR_BIT
+                           && integer_declaration->p.alignment == CHAR_BIT) {
+                               uint64_t len = sequence_len(sequence_definition);
+
+                               ctf_align_pos(pos, integer_declaration->p.alignment);
+                               if (!ctf_pos_access_ok(pos, len * CHAR_BIT))
+                                       return -EFAULT;
+
+                               g_string_assign(sequence_definition->string, "");
+                               g_string_insert_len(sequence_definition->string,
+                                       0, (char *) ctf_get_pos_addr(pos), len);
+                               ctf_move_pos(pos, len * CHAR_BIT);
+                               return 0;
+                       }
+               }
+       }
+       return sequence_rw(ppos, definition);
 }
 
-void ctf_sequence_end(struct stream_pos *pos,
-                     const struct declaration_sequence *sequence_declaration)
+int ctf_sequence_write(struct stream_pos *ppos, struct definition *definition)
 {
+       struct definition_sequence *sequence_definition =
+               container_of(definition, struct definition_sequence, p);
+       struct declaration_sequence *sequence_declaration =
+               sequence_definition->declaration;
+       struct declaration *elem = sequence_declaration->elem;
+       struct ctf_stream_pos *pos = ctf_pos(ppos);
+
+       if (elem->id == CTF_TYPE_INTEGER) {
+               struct declaration_integer *integer_declaration =
+                       container_of(elem, struct declaration_integer, p);
+
+               if (integer_declaration->encoding == CTF_STRING_UTF8
+                     || integer_declaration->encoding == CTF_STRING_ASCII) {
+
+                       if (integer_declaration->len == CHAR_BIT
+                           && integer_declaration->p.alignment == CHAR_BIT) {
+                               uint64_t len = sequence_len(sequence_definition);
+
+                               ctf_align_pos(pos, integer_declaration->p.alignment);
+                               if (!ctf_pos_access_ok(pos, len * CHAR_BIT))
+                                       return -EFAULT;
+
+                               memcpy((char *) ctf_get_pos_addr(pos),
+                                       sequence_definition->string->str, len);
+                               ctf_move_pos(pos, len * CHAR_BIT);
+                               return 0;
+                       }
+               }
+       }
+       return sequence_rw(ppos, definition);
 }