text: mask some internal fields

[babeltrace.git] / plugins / text / print.c

diff --git a/plugins/text/print.c b/plugins/text/print.c
index 958b94d8dd580cb26d5f159364a003d61ee7946f..66df3318a99ecb20a6195e0b6aa87035e47f5910 100644 (file)
--- a/plugins/text/print.c
+++ b/plugins/text/print.c
@@ -69,7 +69,8 @@ struct timestamp {
 
 static
 enum bt_component_status print_field(struct text_component *text,
-               struct bt_ctf_field *field, bool print_names);
+               struct bt_ctf_field *field, bool print_names,
+               GQuark *filters_fields, int filter_array_len);
 
 static
 void print_name_equal(struct text_component *text, const char *name)
@@ -783,11 +784,31 @@ end:
        return ret;
 }
 
+static
+int filter_field_name(struct text_component *text, const char *field_name,
+               GQuark *filter_fields, int filter_array_len)
+{
+       int i;
+       GQuark field_quark = g_quark_try_string(field_name);
+
+       if (!field_quark || text->options.verbose) {
+               return 1;
+       }
+
+       for (i = 0; i < filter_array_len; i++) {
+               if (field_quark == filter_fields[i]) {
+                       return 0;
+               }
+       }
+       return 1;
+}
+
 static
 enum bt_component_status print_struct_field(struct text_component *text,
                struct bt_ctf_field *_struct,
                struct bt_ctf_field_type *struct_type,
-               int i, bool print_names)
+               int i, bool print_names, int *nr_printed_fields,
+               GQuark *filter_fields, int filter_array_len)
 {
        enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
        const char *field_name;
@@ -805,7 +826,13 @@ enum bt_component_status print_struct_field(struct text_component *text,
                goto end;
        }
 
-       if (i != 0) {
+       if (filter_fields && !filter_field_name(text, field_name,
+                               filter_fields, filter_array_len)) {
+               ret = BT_COMPONENT_STATUS_OK;
+               goto end;
+       }
+
+       if (*nr_printed_fields > 0) {
                fprintf(text->out, ", ");
        } else {
                fprintf(text->out, " ");
@@ -813,7 +840,8 @@ enum bt_component_status print_struct_field(struct text_component *text,
        if (print_names) {
                print_field_name_equal(text, rem_(field_name));
        }
-       ret = print_field(text, field, print_names);
+       ret = print_field(text, field, print_names, NULL, 0);
+       *nr_printed_fields += 1;
 end:
        bt_put(field_type);
        bt_put(field);
@@ -822,11 +850,12 @@ end:
 
 static
 enum bt_component_status print_struct(struct text_component *text,
-               struct bt_ctf_field *_struct, bool print_names)
+               struct bt_ctf_field *_struct, bool print_names,
+               GQuark *filter_fields, int filter_array_len)
 {
        enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
        struct bt_ctf_field_type *struct_type = NULL;
-       int nr_fields, i;
+       int nr_fields, i, nr_printed_fields;
 
        struct_type = bt_ctf_field_get_type(_struct);
        if (!struct_type) {
@@ -840,9 +869,11 @@ enum bt_component_status print_struct(struct text_component *text,
        }
        fprintf(text->out, "{");
        text->depth++;
+       nr_printed_fields = 0;
        for (i = 0; i < nr_fields; i++) {
                ret = print_struct_field(text, _struct, struct_type, i,
-                               print_names);
+                               print_names, &nr_printed_fields, filter_fields,
+                               filter_array_len);
                if (ret != BT_COMPONENT_STATUS_OK) {
                        goto end;
                }
@@ -874,7 +905,7 @@ enum bt_component_status print_array_field(struct text_component *text,
                ret = BT_COMPONENT_STATUS_ERROR;
                goto end;
        }
-       ret = print_field(text, field, print_names);
+       ret = print_field(text, field, print_names, NULL, 0);
 end:
        bt_put(field);
        return ret;
@@ -983,7 +1014,7 @@ enum bt_component_status print_sequence_field(struct text_component *text,
                ret = BT_COMPONENT_STATUS_ERROR;
                goto end;
        }
-       ret = print_field(text, field, print_names);
+       ret = print_field(text, field, print_names, NULL, 0);
 end:
        bt_put(field);
        return ret;
@@ -1127,7 +1158,7 @@ enum bt_component_status print_variant(struct text_component *text,
                bt_put(tag_field);
                bt_put(iter);
        }
-       ret = print_field(text, field, print_names);
+       ret = print_field(text, field, print_names, NULL, 0);
        if (ret != BT_COMPONENT_STATUS_OK) {
                goto end;
        }
@@ -1140,7 +1171,8 @@ end:
 
 static
 enum bt_component_status print_field(struct text_component *text,
-               struct bt_ctf_field *field, bool print_names)
+               struct bt_ctf_field *field, bool print_names,
+               GQuark *filter_fields, int filter_array_len)
 {
        enum bt_ctf_type_id type_id;
 
@@ -1178,7 +1210,8 @@ enum bt_component_status print_field(struct text_component *text,
                }
                return BT_COMPONENT_STATUS_OK;
        case CTF_TYPE_STRUCT:
-               return print_struct(text, field, print_names);
+               return print_struct(text, field, print_names, filter_fields,
+                               filter_array_len);
        case CTF_TYPE_UNTAGGED_VARIANT:
        case CTF_TYPE_VARIANT:
                return print_variant(text, field, print_names);
@@ -1217,7 +1250,9 @@ enum bt_component_status print_stream_packet_context(struct text_component *text
                print_name_equal(text, "stream.packet.context");
        }
        ret = print_field(text, main_field,
-                       text->options.print_context_field_names);
+                       text->options.print_context_field_names,
+                       stream_packet_context_quarks,
+                       STREAM_PACKET_CONTEXT_QUARKS_LEN);
 end:
        bt_put(main_field);
        bt_put(packet);
@@ -1243,7 +1278,7 @@ enum bt_component_status print_event_header_raw(struct text_component *text,
                print_name_equal(text, "stream.event.header");
        }
        ret = print_field(text, main_field,
-                       text->options.print_header_field_names);
+                       text->options.print_header_field_names, NULL, 0);
 end:
        bt_put(main_field);
        return ret;
@@ -1268,7 +1303,7 @@ enum bt_component_status print_stream_event_context(struct text_component *text,
                print_name_equal(text, "stream.event.context");
        }
        ret = print_field(text, main_field,
-                       text->options.print_context_field_names);
+                       text->options.print_context_field_names, NULL, 0);
 end:
        bt_put(main_field);
        return ret;
@@ -1293,7 +1328,7 @@ enum bt_component_status print_event_context(struct text_component *text,
                print_name_equal(text, "event.context");
        }
        ret = print_field(text, main_field,
-                       text->options.print_context_field_names);
+                       text->options.print_context_field_names, NULL, 0);
 end:
        bt_put(main_field);
        return ret;
@@ -1318,7 +1353,7 @@ enum bt_component_status print_event_payload(struct text_component *text,
                print_name_equal(text, "event.fields");
        }
        ret = print_field(text, main_field,
-                       text->options.print_payload_field_names);
+                       text->options.print_payload_field_names, NULL, 0);
 end:
        bt_put(main_field);
        return ret;