tiny.smg.cli.metadata

1const std = @import("std");23const smg = @import("../root.zig");4const model = smg.model;5const text = smg.text;67pub fn pairs(allocator: std.mem.Allocator, args: []const []const u8, default_source: []const u8) ![]const model.Pair {8    var out: std.ArrayList(model.Pair) = .empty;9    var i: usize = 0;10    while (i + 1 < args.len) : (i += 1) {11        if (std.mem.eql(u8, args[i], "--meta")) {12            const kv = try text.keyValue(allocator, args[i + 1]);13            try model.upsertPair(allocator, &out, .{ .key = kv.key, .value = kv.value });14            i += 1;15        }16    }17    if (default_source.len != 0 and model.pairValue(out.items, "source") == null) {18        try out.append(allocator, .{ .key = try allocator.dupe(u8, "source"), .value = try allocator.dupe(u8, default_source) });19    }20    return try out.toOwnedSlice(allocator);21}2223test "metadata pairs match python default and replacement semantics" {24    var arena = std.heap.ArenaAllocator.init(std.testing.allocator);25    defer arena.deinit();26    const allocator = arena.allocator();27    const owner_args = [_][]const u8{ "--meta", "owner=core" };28    const owner_pairs = try pairs(allocator, &owner_args, "manual");29    try std.testing.expectEqual(@as(usize, 2), owner_pairs.len);30    try std.testing.expectEqualStrings("owner", owner_pairs[0].key);31    try std.testing.expectEqualStrings("core", owner_pairs[0].value);32    try std.testing.expectEqualStrings("source", owner_pairs[1].key);33    try std.testing.expectEqualStrings("manual", owner_pairs[1].value);3435    const source_args = [_][]const u8{ "--meta", "source=test", "--meta", "source=scan" };36    const source_pairs = try pairs(allocator, &source_args, "manual");37    try std.testing.expectEqual(@as(usize, 1), source_pairs.len);38    try std.testing.expectEqualStrings("source", source_pairs[0].key);39    try std.testing.expectEqualStrings("scan", source_pairs[0].value);40}

1pub const metadata = @import("metadata.zig");