Commit | Line | Data |
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9f449915 PP |
1 | /* |
2 | * filter-visitor-ir-normalize-glob-patterns.c | |
3 | * | |
4 | * LTTng filter IR normalize string | |
5 | * | |
ab5be9fa | 6 | * Copyright 2017 Philippe Proulx <pproulx@efficios.com> |
9f449915 | 7 | * |
ab5be9fa | 8 | * SPDX-License-Identifier: LGPL-2.1-only |
9f449915 | 9 | * |
9f449915 PP |
10 | */ |
11 | ||
28ab034a JG |
12 | #include "filter-ast.hpp" |
13 | #include "filter-ir.hpp" | |
14 | #include "filter-parser.hpp" | |
9f449915 | 15 | |
c9e313bc SM |
16 | #include <common/compat/errno.hpp> |
17 | #include <common/macros.hpp> | |
18 | #include <common/string-utils/string-utils.hpp> | |
9f449915 | 19 | |
28ab034a JG |
20 | #include <inttypes.h> |
21 | #include <stdio.h> | |
22 | #include <stdlib.h> | |
23 | #include <string.h> | |
24 | #include <unistd.h> | |
9f449915 | 25 | |
28ab034a | 26 | static int normalize_glob_patterns(struct ir_op *node) |
9f449915 PP |
27 | { |
28 | switch (node->op) { | |
29 | case IR_OP_UNKNOWN: | |
30 | default: | |
31 | fprintf(stderr, "[error] %s: unknown op type\n", __func__); | |
32 | return -EINVAL; | |
33 | ||
34 | case IR_OP_ROOT: | |
35 | return normalize_glob_patterns(node->u.root.child); | |
36 | case IR_OP_LOAD: | |
37 | { | |
38 | if (node->data_type == IR_DATA_STRING) { | |
28ab034a | 39 | enum ir_load_string_type type = node->u.load.u.string.type; |
9f449915 | 40 | if (type == IR_LOAD_STRING_TYPE_GLOB_STAR_END || |
28ab034a | 41 | type == IR_LOAD_STRING_TYPE_GLOB_STAR) { |
a0377dfe | 42 | LTTNG_ASSERT(node->u.load.u.string.value); |
28ab034a | 43 | strutils_normalize_star_glob_pattern(node->u.load.u.string.value); |
9f449915 PP |
44 | } |
45 | } | |
46 | ||
47 | return 0; | |
48 | } | |
49 | case IR_OP_UNARY: | |
50 | return normalize_glob_patterns(node->u.unary.child); | |
51 | case IR_OP_BINARY: | |
52 | { | |
53 | int ret = normalize_glob_patterns(node->u.binary.left); | |
54 | ||
55 | if (ret) | |
56 | return ret; | |
57 | return normalize_glob_patterns(node->u.binary.right); | |
58 | } | |
59 | case IR_OP_LOGICAL: | |
60 | { | |
61 | int ret; | |
62 | ||
63 | ret = normalize_glob_patterns(node->u.logical.left); | |
64 | if (ret) | |
65 | return ret; | |
66 | return normalize_glob_patterns(node->u.logical.right); | |
67 | } | |
68 | } | |
69 | } | |
70 | ||
71 | /* | |
72 | * This function normalizes all the globbing literal strings with | |
73 | * utils_normalize_glob_pattern(). See the documentation of | |
74 | * utils_normalize_glob_pattern() for more details. | |
75 | */ | |
9f449915 PP |
76 | int filter_visitor_ir_normalize_glob_patterns(struct filter_parser_ctx *ctx) |
77 | { | |
78 | return normalize_glob_patterns(ctx->ir_root); | |
79 | } |