mirror of
https://github.com/RGBCube/serenity
synced 2025-07-27 03:27:34 +00:00
Utilities: Add jq-like json query functionality to jp
This commit is contained in:
parent
d80472b8f4
commit
424033be44
1 changed files with 42 additions and 0 deletions
|
@ -1,5 +1,6 @@
|
|||
/*
|
||||
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
|
||||
* Copyright (c) 2022, Maxwell Trussell <maxtrussell@gmail.com>
|
||||
*
|
||||
* SPDX-License-Identifier: BSD-2-Clause
|
||||
*/
|
||||
|
@ -9,12 +10,16 @@
|
|||
#include <AK/JsonObject.h>
|
||||
#include <AK/JsonValue.h>
|
||||
#include <AK/StringBuilder.h>
|
||||
#include <AK/StringView.h>
|
||||
#include <AK/Types.h>
|
||||
#include <AK/Vector.h>
|
||||
#include <LibCore/ArgsParser.h>
|
||||
#include <LibCore/File.h>
|
||||
#include <LibCore/System.h>
|
||||
#include <LibMain/Main.h>
|
||||
#include <unistd.h>
|
||||
|
||||
static JsonValue query(JsonValue const& value, Vector<StringView>& key_parts, size_t key_index = 0);
|
||||
static void print(JsonValue const& value, int spaces_per_indent, int indent = 0, bool use_color = true);
|
||||
static void print_indent(int indent, int spaces_per_indent)
|
||||
{
|
||||
|
@ -27,10 +32,12 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
|
|||
TRY(Core::System::pledge("stdio rpath"));
|
||||
|
||||
StringView path;
|
||||
StringView dotted_key;
|
||||
int spaces_in_indent = 4;
|
||||
|
||||
Core::ArgsParser args_parser;
|
||||
args_parser.set_general_help("Pretty-print a JSON file with syntax-coloring and indentation.");
|
||||
args_parser.add_option(dotted_key, "Dotted query key", "query", 'q', "foo.*.bar");
|
||||
args_parser.add_option(spaces_in_indent, "Indent size", "indent-size", 'i', "spaces_in_indent");
|
||||
args_parser.add_positional_argument(path, "Path to JSON file", "path", Core::ArgsParser::Required::No);
|
||||
VERIFY(spaces_in_indent >= 0);
|
||||
|
@ -46,6 +53,10 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
|
|||
|
||||
auto file_contents = file->read_all();
|
||||
auto json = TRY(JsonValue::from_string(file_contents));
|
||||
if (!dotted_key.is_empty()) {
|
||||
auto key_parts = dotted_key.split_view('.');
|
||||
json = query(json, key_parts);
|
||||
}
|
||||
|
||||
print(json, spaces_in_indent, 0, isatty(STDOUT_FILENO));
|
||||
outln();
|
||||
|
@ -109,3 +120,34 @@ void print(JsonValue const& value, int spaces_per_indent, int indent, bool use_c
|
|||
if (use_color)
|
||||
out("\033[0m");
|
||||
}
|
||||
|
||||
JsonValue query(JsonValue const& value, Vector<StringView>& key_parts, size_t key_index)
|
||||
{
|
||||
if (key_index == key_parts.size())
|
||||
return value;
|
||||
auto key = key_parts[key_index++];
|
||||
|
||||
if (key == "*"sv) {
|
||||
Vector<JsonValue> matches;
|
||||
if (value.is_object()) {
|
||||
value.as_object().for_each_member([&](auto&, auto& member_value) {
|
||||
matches.append(query(member_value, key_parts, key_index));
|
||||
});
|
||||
} else if (value.is_array()) {
|
||||
value.as_array().for_each([&](auto& member) {
|
||||
matches.append(query(member, key_parts, key_index));
|
||||
});
|
||||
}
|
||||
return JsonValue(JsonArray(matches));
|
||||
}
|
||||
|
||||
JsonValue result {};
|
||||
if (value.is_object()) {
|
||||
result = value.as_object().get(key);
|
||||
} else if (value.is_array()) {
|
||||
auto key_as_index = key.to_int();
|
||||
if (key_as_index.has_value())
|
||||
result = value.as_array().at(key_as_index.value());
|
||||
}
|
||||
return query(result, key_parts, key_index);
|
||||
}
|
||||
|
|
Loading…
Add table
Add a link
Reference in a new issue