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
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
|
/**
* Copyright (c) 2022, Timothy Stack
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* * Neither the name of Timothy Stack nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ''AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* @file yaml-extension-functions.cc
*/
#include <string>
#define RYML_SINGLE_HDR_DEFINE_NOW
#include "ryml_all.hpp"
#include "sqlite-extension-func.hh"
#include "vtab_module.hh"
#include "yajlpp/yajlpp.hh"
using namespace lnav::roles::literals;
static void
ryml_error_to_um(const char* msg, size_t len, ryml::Location loc, void* ud)
{
intern_string_t src = intern_string::lookup(
string_fragment::from_bytes(loc.name.data(), loc.name.size()));
auto& sf = *(static_cast<string_fragment*>(ud));
auto msg_str = string_fragment::from_bytes(msg, len).trim().to_string();
if (loc.offset == sf.length()) {
loc.line -= 1;
}
throw lnav::console::user_message::error("failed to parse YAML content")
.with_reason(msg_str)
.with_snippet(lnav::console::snippet::from(
source_location{src, (int32_t) loc.line}, ""));
}
static text_auto_buffer
yaml_to_json(string_fragment in)
{
ryml::Callbacks callbacks(&in, nullptr, nullptr, ryml_error_to_um);
ryml::set_callbacks(callbacks);
auto tree = ryml::parse_in_arena(
"input", ryml::csubstr{in.data(), (size_t) in.length()});
auto output = ryml::emit_json(
tree, tree.root_id(), ryml::substr{}, /*error_on_excess*/ false);
auto buf = auto_buffer::alloc(output.len);
buf.resize(output.len);
output = ryml::emit_json(tree,
tree.root_id(),
ryml::substr(buf.in(), buf.size()),
/*error_on_excess*/ true);
return {std::move(buf)};
}
int
yaml_extension_functions(struct FuncDef** basic_funcs,
struct FuncDefAgg** agg_funcs)
{
static struct FuncDef yaml_funcs[] = {
sqlite_func_adapter<decltype(&yaml_to_json), yaml_to_json>::builder(
help_text("yaml_to_json",
"Convert a YAML document to a JSON-encoded string")
.sql_function()
.with_parameter({"yaml", "The YAML value to convert to JSON."})
.with_tags({"json", "yaml"})
.with_example({
"To convert the document \"abc: def\"",
"SELECT yaml_to_json('abc: def')",
})),
{nullptr},
};
*basic_funcs = yaml_funcs;
return SQLITE_OK;
}
|
