Remove trace-collection.h from include_headers
[babeltrace.git] / types / array.c
index 0be26476df8605945713bb74927a0848cfd9ed85..047adac21902c7d7f438fc14a1e55099181280f1 100644 (file)
@@ -3,7 +3,9 @@
  *
  * BabelTrace - Array Type Converter
  *
- * Copyright 2010, 2011 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ * Copyright 2010-2011 EfficiOS Inc. and Linux Foundation
+ *
+ * Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
@@ -18,6 +20,7 @@
 
 #include <babeltrace/compiler.h>
 #include <babeltrace/format.h>
+#include <babeltrace/types.h>
 #include <inttypes.h>
 
 static
@@ -106,10 +109,29 @@ struct definition *
        array->p.index = root_name ? INT_MAX : index;
        array->p.name = field_name;
        array->p.path = new_definition_path(parent_scope, field_name, root_name);
-       array->scope = new_definition_scope(parent_scope, field_name, root_name);
+       array->p.scope = new_definition_scope(parent_scope, field_name, root_name);
        ret = register_field_definition(field_name, &array->p,
                                        parent_scope);
        assert(!ret);
+       array->string = NULL;
+       array->elems = NULL;
+
+       if (array_declaration->elem->id == CTF_TYPE_INTEGER) {
+               struct declaration_integer *integer_declaration =
+                       container_of(array_declaration->elem, struct declaration_integer, p);
+
+               if (integer_declaration->encoding == CTF_STRING_UTF8
+                     || integer_declaration->encoding == CTF_STRING_ASCII) {
+
+                       array->string = g_string_new("");
+
+                       if (integer_declaration->len == CHAR_BIT
+                           && integer_declaration->p.alignment == CHAR_BIT) {
+                               return &array->p;
+                       }
+               }
+       }
+
        array->elems = g_ptr_array_sized_new(array_declaration->len);
        g_ptr_array_set_size(array->elems, array_declaration->len);
        for (i = 0; i < array_declaration->len; i++) {
@@ -124,11 +146,12 @@ struct definition *
 
                field = (struct definition **) &g_ptr_array_index(array->elems, i);
                *field = array_declaration->elem->definition_new(array_declaration->elem,
-                                         array->scope,
+                                         array->p.scope,
                                          name, i, NULL);
                if (!*field)
                        goto error;
        }
+
        return &array->p;
 
 error:
@@ -139,7 +162,7 @@ error:
                field->declaration->definition_free(field);
        }
        (void) g_ptr_array_free(array->elems, TRUE);
-       free_definition_scope(array->scope);
+       free_definition_scope(array->p.scope);
        declaration_unref(array->p.declaration);
        g_free(array);
        return NULL;
@@ -152,26 +175,72 @@ void _array_definition_free(struct definition *definition)
                container_of(definition, struct definition_array, p);
        uint64_t i;
 
-       for (i = 0; i < array->elems->len; i++) {
-               struct definition *field;
+       if (array->string)
+               (void) g_string_free(array->string, TRUE);
+       if (array->elems) {
+               for (i = 0; i < array->elems->len; i++) {
+                       struct definition *field;
 
-               field = g_ptr_array_index(array->elems, i);
-               field->declaration->definition_free(field);
+                       field = g_ptr_array_index(array->elems, i);
+                       field->declaration->definition_free(field);
+               }
+               (void) g_ptr_array_free(array->elems, TRUE);
        }
-       (void) g_ptr_array_free(array->elems, TRUE);
-       free_definition_scope(array->scope);
+       free_definition_scope(array->p.scope);
        declaration_unref(array->p.declaration);
        g_free(array);
 }
 
 uint64_t array_len(struct definition_array *array)
 {
+       if (!array->elems)
+               return array->string->len;
        return array->elems->len;
 }
 
 struct definition *array_index(struct definition_array *array, uint64_t i)
 {
+       if (!array->elems)
+               return NULL;
        if (i >= array->elems->len)
                return NULL;
        return g_ptr_array_index(array->elems, i);
 }
+
+int get_array_len(const struct definition *field)
+{
+       struct definition_array *array_definition;
+       struct declaration_array *array_declaration;
+
+       array_definition = container_of(field, struct definition_array, p);
+       array_declaration = array_definition->declaration;
+
+       return array_declaration->len;
+}
+
+GString *get_char_array(const struct definition *field)
+{
+       struct definition_array *array_definition;
+       struct declaration_array *array_declaration;
+       struct declaration *elem;
+
+       array_definition = container_of(field, struct definition_array, p);
+       array_declaration = array_definition->declaration;
+       elem = array_declaration->elem;
+       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) {
+
+                               return array_definition->string;
+                       }
+               }
+       }
+       fprintf(stderr, "[warning] Extracting string\n");
+       return NULL;
+}
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