68 lines
2.9 KiB
Text
68 lines
2.9 KiB
Text
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// SPDX-License-Identifier: AGPL-3.0-only
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// SPDX-FileCopyrightText: Copyright (C) 2026 Catcrafts®
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module;
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#include "../lib/json.hpp"
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export module Crafter.Review:Json;
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import std;
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export namespace Crafter::Review {
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// nlohmann/json, vendored unmodified at lib/json.hpp. ordered_json keeps an
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// object's keys in the order they were read or inserted, and a duplicate
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// key keeps its first position and its last value. That is what lets a
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// driver rewrite the files every driver on the machine shares — the seat
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// board, the ledger, unit-state.json — with every key in place, the ones
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// it does not know about included.
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using Json = nlohmann::ordered_json;
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// Indented by one space per level, one key or item per line, \uXXXX
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// escapes for everything outside ASCII: every file this pipeline writes. A
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// string that is not valid UTF-8 has its bad bytes replaced rather than
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// throwing in the middle of a write.
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//
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// A float from 1e15 up to 1e16 prints with an exponent (AGENTS.md).
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// Readers parse it either way, and none of the files depends on it.
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inline std::string DumpFile(const Json& value) {
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return value.dump(1, ' ', true, Json::error_handler_t::replace);
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}
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// Keys in code-point order, no whitespace, ASCII only. The
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// structured-output schema goes to claude in this form and its bytes are
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// part of the prompt cache, so they must not move by a byte (the goldens
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// hold them); dedupe keys use it too.
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inline std::string DumpCompactSorted(const Json& value) {
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// Converted to nlohmann::json, which keeps objects in a std::map: that
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// sorts the keys by byte, and byte order is code-point order in UTF-8.
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const nlohmann::json sorted(value);
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return sorted.dump(-1, ' ', true, nlohmann::json::error_handler_t::replace);
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}
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// On one line, with ", " and ": " between items: where a reader matches
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// on the bytes, such as the first line of an opencode output, `{"type":
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// "review_gates_meta", …`, which salvage looks for.
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inline std::string DumpSpaced(const Json& value) {
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if (value.is_object()) {
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std::string out = "{";
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bool first = true;
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for (const auto& [key, child] : value.items()) {
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if (!first) out += ", ";
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first = false;
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out += Json(key).dump(-1, ' ', true, Json::error_handler_t::replace);
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out += ": ";
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out += DumpSpaced(child);
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}
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return std::format("{}}}", out);
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}
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if (value.is_array()) {
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std::string out = "[";
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bool first = true;
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for (const Json& child : value) {
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if (!first) out += ", ";
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first = false;
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out += DumpSpaced(child);
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}
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return std::format("{}]", out);
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}
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return value.dump(-1, ' ', true, Json::error_handler_t::replace);
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}
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}
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