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‎tests/vendor/cget/pkg/pqrs-org__cpp-json/install/include/pqrs/json.hpp

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#pragma once
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// pqrs::json v1.4
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// pqrs::json v1.5
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// (C) Copyright Takayama Fumihiko 2019.
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// Distributed under the Boost Software License, Version 1.0.
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// (See https://www.boost.org/LICENSE_1_0.txt)
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#include "json/formatter.hpp"
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#include "json/marshal_error.hpp"
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#include "json/pqrs_formatter.hpp"
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#include "json/unmarshal_error.hpp"
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#include <nlohmann/json.hpp>
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#include <optional>

‎tests/vendor/cget/pkg/pqrs-org__cpp-json/install/include/pqrs/json/pqrs_formatter.hpp

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#pragma once
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// (C) Copyright Takayama Fumihiko 2024.
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// Distributed under the Boost Software License, Version 1.0.
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// (See https://www.boost.org/LICENSE_1_0.txt)
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#include <nlohmann/json.hpp>
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#include <sstream>
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#include <unordered_set>
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namespace pqrs {
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namespace json {
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namespace pqrs_formatter {
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// The custom JSON formatter follows these rules:
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//
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// - Arrays are kept on a single line. However, they are spread across multiple lines in the following cases:
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// - If the size is 2 or more and they contain arrays or objects as values.
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// - If they contain multi-line values.
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// - Objects with only one key and a single-line value are kept on a single line.
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//
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// ```json
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// {
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// "bool": true,
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// "double": 123.456,
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// "int": 42,
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// "force_multi_line_array": [
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// "Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.",
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// "Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.",
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// "Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur.",
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// "Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum."
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// ],
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// "multi_line_array1": [
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// [1, 2, 3, 4],
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// [5, 6, 7, 8]
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// ],
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// "multi_line_array2": [
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// { "key": 1 },
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// { "key": 2 }
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// ],
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// "multi_line_object1": {
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// "key1": 1,
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// "key2": 2
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// },
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// "multi_line_object2": {
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// "key": {
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// "key1": 1,
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// "key2": 2
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// }
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// },
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// "null": null,
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// "single_line_array1": [],
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// "single_line_array2": [1, 2, 3, 4],
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// "single_line_array3": [[1, 2, 3, 4]],
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// "single_line_array4": [{ "key": "value" }],
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// "single_line_object1": {},
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// "single_line_object2": { "key": "value" },
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// "single_line_object3": { "key": [1, 2, 3, 4] },
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// "single_line_object4": { "key1": { "key2": { "key3": "value3" } } }
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// }
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// ```
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struct options {
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int indent_size;
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std::unordered_set<std::string> force_multi_line_array_object_keys;
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};
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namespace impl {
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template <typename T>
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bool multi_line(const T& json,
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const options& options,
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std::optional<std::string> parent_object_key) {
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if (json.is_object()) {
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if (json.size() == 0) {
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return false;
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}
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if (json.size() == 1) {
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return multi_line(json.begin().value(),
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options,
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json.begin().key());
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}
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if (json.size() > 1) {
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return true;
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}
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} else if (json.is_array()) {
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if (auto key = parent_object_key) {
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if (options.force_multi_line_array_object_keys.contains(*key)) {
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return true;
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}
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}
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if (json.size() == 0) {
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return false;
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}
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if (json.size() == 1) {
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return multi_line(json[0],
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options,
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std::nullopt);
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}
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for (const auto& j : json) {
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if (j.is_object() || j.is_array()) {
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return true;
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}
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}
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}
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return false;
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}
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void indent(std::ostringstream& ss,
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const options& options,
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int indent_level) {
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for (int i = 0; i < options.indent_size * indent_level; ++i) {
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ss << ' ';
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}
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}
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template <typename T>
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void format(std::ostringstream& ss,
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const T& json,
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const options& options,
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std::optional<std::string> parent_object_key,
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int indent_level) {
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if (json.is_object()) {
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if (!multi_line(json, options, parent_object_key)) {
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//
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// Single-line object
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//
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if (json.empty()) {
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ss << "{}";
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} else {
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ss << "{ ";
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ss << std::quoted(json.begin().key()) << ": ";
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format(ss,
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json.begin().value(),
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options,
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json.begin().key(),
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indent_level + 1);
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ss << " }";
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}
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} else {
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//
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// Multi-line object
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//
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ss << "{\n";
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bool first = true;
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for (const auto& [k, v] : json.items()) {
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if (!first) {
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ss << ",\n";
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}
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first = false;
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indent(ss,
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options,
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indent_level + 1);
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ss << std::quoted(k) << ": ";
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format(ss,
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v,
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options,
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k,
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indent_level + 1);
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}
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ss << '\n';
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indent(ss,
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options,
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indent_level);
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ss << '}';
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}
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} else if (json.is_array()) {
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if (!multi_line(json, options, parent_object_key)) {
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//
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// Single-line array
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//
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ss << '[';
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bool first = true;
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for (const auto& v : json) {
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if (!first) {
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ss << ", ";
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}
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first = false;
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format(ss,
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v,
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options,
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std::nullopt,
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indent_level + 1);
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}
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ss << ']';
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} else {
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//
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// Multi-line array
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//
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ss << "[\n";
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bool first = true;
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for (const auto& v : json) {
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if (!first) {
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ss << ",\n";
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}
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first = false;
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indent(ss,
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options,
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indent_level + 1);
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format(ss,
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v,
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options,
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std::nullopt,
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indent_level + 1);
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}
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ss << '\n';
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indent(ss,
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options,
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indent_level);
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ss << ']';
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}
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} else {
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ss << json;
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}
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}
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} // namespace impl
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template <typename T>
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std::string format(const T& json,
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const options& options) {
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std::ostringstream ss;
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impl::format(ss, json, options, std::nullopt, 0);
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return ss.str();
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}
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} // namespace pqrs_formatter
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} // namespace json
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} // namespace pqrs

‎tests/vendor/include/pqrs/json/pqrs_formatter.hpp

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../../../cget/pkg/pqrs-org__cpp-json/install/include/pqrs/json/pqrs_formatter.hpp

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