blob: a0dd5eea2d3d636ef5de1589ed5842e87ad5d813 (
plain) (
blame)
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
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
#pragma once
#include <base/find_symbols.h>
#include <Functions/StringHelpers.h>
namespace DB
{
template <bool with_query_string>
struct ExtractPath
{
static size_t getReserveLengthForElement() { return 25; }
static void execute(Pos data, size_t size, Pos & res_data, size_t & res_size)
{
res_data = data;
res_size = 0;
Pos pos = data;
Pos end = pos + size;
/// We support URLs with and without schema:
/// 1. http://host/path
/// 2. host/path
/// We search for first slash and if there is subsequent slash, then skip and repeat search for the next slash.
pos = find_first_symbols<'/'>(pos, end);
if (end == pos)
return;
/// Note that strings are zero-terminated.
bool has_subsequent_slash = pos[1] == '/';
if (has_subsequent_slash)
{
/// Search for next slash.
pos = find_first_symbols<'/'>(pos + 2, end);
if (end == pos)
return;
}
res_data = pos;
if constexpr (with_query_string)
{
res_size = end - res_data;
}
else
{
Pos query_string_or_fragment = find_first_symbols<'?', '#'>(pos, end);
res_size = query_string_or_fragment - res_data;
}
}
};
}
|
