| 1 | using System.Text.Json; |
| 2 | using System.Text.RegularExpressions; |
| 3 | |
| 4 | internal static class ToolArgs |
| 5 | { |
| 6 | internal static string RequiredString(IReadOnlyDictionary<string, JsonElement> args, string key) |
| 7 | { |
| 8 | if (!args.TryGetValue(key, out var value)) |
| 9 | throw new ArgumentException($"{key} is required."); |
| 10 | var str = value.GetString(); |
| 11 | if (string.IsNullOrWhiteSpace(str)) |
| 12 | throw new ArgumentException($"{key} is required."); |
| 13 | return str.Trim(); |
| 14 | } |
| 15 | |
| 16 | internal static string? OptionalString(IReadOnlyDictionary<string, JsonElement> args, string key) |
| 17 | { |
| 18 | if (!args.TryGetValue(key, out var value)) |
| 19 | return null; |
| 20 | var str = value.GetString(); |
| 21 | return string.IsNullOrWhiteSpace(str) ? null : str.Trim(); |
| 22 | } |
| 23 | |
| 24 | internal static string? OptionalKnowledgePath(IReadOnlyDictionary<string, JsonElement> args) => |
| 25 | OptionalString(args, "knowledge_path"); |
| 26 | |
| 27 | internal static string? OptionalKnowledgeRootId(IReadOnlyDictionary<string, JsonElement> args) => |
| 28 | OptionalString(args, "knowledge_root_id"); |
| 29 | |
| 30 | internal static int GetIntOrDefault(IReadOnlyDictionary<string, JsonElement> args, string key, int defaultValue, int min, int max) |
| 31 | { |
| 32 | if (!args.TryGetValue(key, out var raw)) |
| 33 | return defaultValue; |
| 34 | |
| 35 | int parsed; |
| 36 | if (raw.ValueKind == JsonValueKind.Number) |
| 37 | { |
| 38 | parsed = raw.GetInt32(); |
| 39 | } |
| 40 | else if (raw.ValueKind == JsonValueKind.String && int.TryParse(raw.GetString(), out var asInt)) |
| 41 | { |
| 42 | parsed = asInt; |
| 43 | } |
| 44 | else |
| 45 | { |
| 46 | return defaultValue; |
| 47 | } |
| 48 | |
| 49 | return Math.Clamp(parsed, min, max); |
| 50 | } |
| 51 | |
| 52 | /// <summary>Optional integer: key missing or null → null; otherwise parse number or string, then clamp to [min, max].</summary> |
| 53 | internal static int? OptionalClampedInt(IReadOnlyDictionary<string, JsonElement> args, string key, int min, int max) |
| 54 | { |
| 55 | if (!args.TryGetValue(key, out var raw) || raw.ValueKind == JsonValueKind.Null) |
| 56 | return null; |
| 57 | int parsed; |
| 58 | if (raw.ValueKind == JsonValueKind.Number) |
| 59 | parsed = raw.GetInt32(); |
| 60 | else if (raw.ValueKind == JsonValueKind.String && int.TryParse(raw.GetString(), out var s)) |
| 61 | parsed = s; |
| 62 | else |
| 63 | return null; |
| 64 | return Math.Clamp(parsed, min, max); |
| 65 | } |
| 66 | |
| 67 | internal static bool IsValidSectionId(string sectionId) => Regex.IsMatch(sectionId, "^[A-Za-z0-9._-]+$"); |
| 68 | |
| 69 | internal static bool GetBoolOrDefault(IReadOnlyDictionary<string, JsonElement> args, string key, bool defaultValue) |
| 70 | { |
| 71 | if (!args.TryGetValue(key, out var raw)) |
| 72 | return defaultValue; |
| 73 | |
| 74 | return raw.ValueKind switch |
| 75 | { |
| 76 | JsonValueKind.True => true, |
| 77 | JsonValueKind.False => false, |
| 78 | JsonValueKind.String when bool.TryParse(raw.GetString(), out var parsed) => parsed, |
| 79 | _ => defaultValue |
| 80 | }; |
| 81 | } |
| 82 | } |
| 83 | |