X-Git-Url: http://git.efficios.com/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fcommon%2Ffilter%2Ffilter-visitor-ir-normalize-glob-patterns.c;fp=src%2Fcommon%2Ffilter%2Ffilter-visitor-ir-normalize-glob-patterns.c;h=5e2778e09de84e5d05594b74dc11f487f7806aea;hp=0000000000000000000000000000000000000000;hb=1831ae68b70dece8e9b847081526495adbbf05e5;hpb=25357057de5ae4dd2a572e8f9b893c1b90cbd60a

diff --git a/src/common/filter/filter-visitor-ir-normalize-glob-patterns.c b/src/common/filter/filter-visitor-ir-normalize-glob-patterns.c
new file mode 100644
index 000000000..5e2778e09
--- /dev/null
+++ b/src/common/filter/filter-visitor-ir-normalize-glob-patterns.c
@@ -0,0 +1,84 @@
+/*
+ * filter-visitor-ir-normalize-glob-patterns.c
+ *
+ * LTTng filter IR normalize string
+ *
+ * Copyright 2017 Philippe Proulx <pproulx@efficios.com>
+ *
+ * SPDX-License-Identifier: LGPL-2.1-only
+ *
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <string.h>
+#include <stdlib.h>
+#include <assert.h>
+#include <errno.h>
+#include <inttypes.h>
+
+#include <common/macros.h>
+#include <common/string-utils/string-utils.h>
+
+#include "filter-ast.h"
+#include "filter-parser.h"
+#include "filter-ir.h"
+
+static
+int normalize_glob_patterns(struct ir_op *node)
+{
+	switch (node->op) {
+	case IR_OP_UNKNOWN:
+	default:
+		fprintf(stderr, "[error] %s: unknown op type\n", __func__);
+		return -EINVAL;
+
+	case IR_OP_ROOT:
+		return normalize_glob_patterns(node->u.root.child);
+	case IR_OP_LOAD:
+	{
+		if (node->data_type == IR_DATA_STRING) {
+			enum ir_load_string_type type =
+				node->u.load.u.string.type;
+			if (type == IR_LOAD_STRING_TYPE_GLOB_STAR_END ||
+					type == IR_LOAD_STRING_TYPE_GLOB_STAR) {
+				assert(node->u.load.u.string.value);
+				strutils_normalize_star_glob_pattern(
+					node->u.load.u.string.value);
+			}
+		}
+
+		return 0;
+	}
+	case IR_OP_UNARY:
+		return normalize_glob_patterns(node->u.unary.child);
+	case IR_OP_BINARY:
+	{
+		int ret = normalize_glob_patterns(node->u.binary.left);
+
+		if (ret)
+			return ret;
+		return normalize_glob_patterns(node->u.binary.right);
+	}
+	case IR_OP_LOGICAL:
+	{
+		int ret;
+
+		ret = normalize_glob_patterns(node->u.logical.left);
+		if (ret)
+			return ret;
+		return normalize_glob_patterns(node->u.logical.right);
+	}
+	}
+}
+
+/*
+ * This function normalizes all the globbing literal strings with
+ * utils_normalize_glob_pattern(). See the documentation of
+ * utils_normalize_glob_pattern() for more details.
+ */
+LTTNG_HIDDEN
+int filter_visitor_ir_normalize_glob_patterns(struct filter_parser_ctx *ctx)
+{
+	return normalize_glob_patterns(ctx->ir_root);
+}