Files
2025-05-18 13:04:45 +08:00

116 lines
3.2 KiB
C#

// Copyright Epic Games, Inc. All Rights Reserved.
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Text.Json;
using System.Threading.Tasks;
using System.Xml;
using EpicGames.Core;
using UnrealBuildBase;
namespace AutomationTool.Tasks
{
/// <summary>
/// Parameters for a ModifyJsonValue task
/// </summary>
public class ModifyJsonValueParameters
{
/// <summary>
/// json file paths which will be modified
/// </summary>
[TaskParameter(ValidationType = TaskParameterValidationType.FileSpec)]
public string Files { get; set; }
/// <summary>
/// json key path to find in each file
/// </summary>
[TaskParameter(ValidationType = TaskParameterValidationType.Default)]
public string KeyPath { get; set; }
/// <summary>
/// new value to apply
/// </summary>
[TaskParameter(ValidationType = TaskParameterValidationType.Default)]
public int NewValue { get; set; }
}
/// <summary>
/// Modifies json files by setting a value specified in the key path
/// </summary>
[TaskElement("ModifyJsonValue", typeof(ModifyJsonValueParameters))]
public class ModifyJsonValue : BgTaskImpl
{
readonly ModifyJsonValueParameters _parameters;
/// <summary>
/// Create a new ModifyJsonValue.
/// </summary>
/// <param name="parameters">Parameters for this task.</param>
public ModifyJsonValue(ModifyJsonValueParameters parameters)
{
_parameters = parameters;
}
/// <summary>
/// Placeholder comment
/// </summary>
public override async Task ExecuteAsync(JobContext job, HashSet<FileReference> buildProducts, Dictionary<string, HashSet<FileReference>> tagNameToFileSet)
{
string[] keys = _parameters.KeyPath.Split('.');
if (keys.Length == 0)
{
return;
}
HashSet<FileReference> files = ResolveFilespec(Unreal.RootDirectory, _parameters.Files, tagNameToFileSet);
foreach (string jsonFile in files.Select(f => f.FullName))
{
string oldContents = await File.ReadAllTextAsync(jsonFile);
IDictionary<string, object> paramObj = fastJSON.JSON.Instance.Parse(oldContents) as IDictionary<string, object>;
IDictionary<string, object> currObj = paramObj;
for (int i = 0; i < keys.Length - 1; i++)
{
if (!currObj.TryGetValue(keys[i], out object nextNode))
{
currObj[keys[i]] = nextNode = new Dictionary<string, object>();
}
currObj = (IDictionary<string, object>)nextNode;
}
currObj[keys[keys.Length - 1]] = _parameters.NewValue;
string newContents = JsonSerializer.Serialize(paramObj, new JsonSerializerOptions { WriteIndented = true });
await File.WriteAllTextAsync(jsonFile, newContents, new UTF8Encoding(encoderShouldEmitUTF8Identifier: false));
}
}
/// <summary>
/// Placeholder comment
/// </summary>
public override void Write(XmlWriter writer)
{
Write(writer, _parameters);
}
/// <summary>
/// Placeholder comment
/// </summary>
public override IEnumerable<string> FindConsumedTagNames()
{
foreach (string tagName in FindTagNamesFromFilespec(_parameters.Files))
{
yield return tagName;
}
}
/// <summary>
/// Placeholder comment
/// </summary>
public override IEnumerable<string> FindProducedTagNames()
{
yield break;
}
}
}