1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
|
/* Copyright 2013-present Facebook, Inc.
* Licensed under the Apache License, Version 2.0 */
#include "watchman.h"
#include "make_unique.h"
class ExistsExpr : public QueryExpr {
public:
bool evaluate(struct w_query_ctx*, const FileResult* file) override {
return file->exists();
}
static std::unique_ptr<QueryExpr> parse(w_query*, const json_ref&) {
return watchman::make_unique<ExistsExpr>();
}
};
W_TERM_PARSER("exists", ExistsExpr::parse)
class EmptyExpr : public QueryExpr {
public:
bool evaluate(struct w_query_ctx*, const FileResult* file) override {
if (!file->exists()) {
return false;
}
auto& stat = file->stat();
if (stat.isDir() || stat.isFile()) {
return stat.size == 0;
}
return false;
}
static std::unique_ptr<QueryExpr> parse(w_query*, const json_ref&) {
return watchman::make_unique<EmptyExpr>();
}
};
W_TERM_PARSER("empty", EmptyExpr::parse)
/* vim:ts=2:sw=2:et:
*/
|
