Bilibili-Evolved/builder/dotnet/ResourceBuilder.cs
2019-07-04 11:48:10 +08:00

242 lines
9.6 KiB
C#

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
namespace BilibiliEvolved.Build
{
partial class ProjectBuilder
{
public ProjectBuilder BuildResources()
{
new CssMinifier().Build(this);
new HtmlMinifier().Build(this);
new JavascriptMinifier().Build(this);
return this;
}
}
abstract class ResourceMinifier
{
public abstract Predicate<FileInfo> FileFilter { get; }
public abstract string ResourceType { get; }
public abstract string Minify(string input);
protected string GetMinimizedFileName(string path)
{
var fileInfo = new FileInfo(path);
return "min/" + fileInfo.Name.Insert(fileInfo.Name.LastIndexOf("."), ".min");
}
public static IEnumerable<string> GetFiles(Predicate<FileInfo> filter)
{
string getRelativePath(string fullPath)
{
var currentFolder = Environment.CurrentDirectory;
var path = fullPath.Replace(currentFolder, "");
if (path.StartsWith(Path.DirectorySeparatorChar))
{
return path.Remove(path.IndexOf(Path.DirectorySeparatorChar), 1);
}
else
{
return path;
}
}
IEnumerable<string> getFiles(Predicate<FileInfo> predicate, string path)
{
var list = new List<string>();
var currentDirectory = new DirectoryInfo(path);
list.AddRange(currentDirectory.EnumerateFiles()
.Where(file =>
{
var fullName = file.FullName;
return predicate(file)
&& !fullName.Contains(@".vs\")
&& !fullName.Contains(@".vscode\")
&& !fullName.Contains(@"build-scripts\")
&& !fullName.Contains(@"node_modules\")
&& !fullName.Contains(@".backup.")
&& !fullName.Contains(@"extras");
})
.Select(file => getRelativePath(file.FullName)));
foreach (var subDir in currentDirectory.EnumerateDirectories())
{
list.AddRange(getFiles(filter, subDir.FullName));
}
return list;
}
var directory = Environment.CurrentDirectory;
if (!directory.EndsWith(Path.DirectorySeparatorChar))
{
directory = directory + Path.DirectorySeparatorChar;
}
return getFiles(filter, directory);
}
public virtual ProjectBuilder Build(ProjectBuilder builder)
{
var files = GetFiles(FileFilter);
using (var cache = new BuildCache())
{
var changedFiles = files.Where(file => !cache.Contains(file));
Parallel.ForEach(changedFiles, path =>
{
builder.WriteInfo($"{ResourceType} minify: {path}");
var text = File.ReadAllText(path);
var result = Minify(text);
var outputPath = GetMinimizedFileName(path);
File.WriteAllText(outputPath, result);
cache.AddCache(path);
builder.WriteHint($"\t=> {outputPath}");
// builder.WriteHint($"\t=> {outputPath.PadRight(48)}{(100.0 * result.Length / text.Length):0.##}%");
});
cache.SaveCache();
}
files.ForEach(file =>
{
builder.OriginalResourceLength += new FileInfo(file).Length;
builder.MinimizedResourceLength += new FileInfo(GetMinimizedFileName(file)).Length;
});
builder.WriteSuccess($"{ResourceType} minify complete.");
return builder;
}
}
sealed class CssMinifier : ResourceMinifier
{
public override Predicate<FileInfo> FileFilter { get; } = file =>
{
return !file.FullName.Contains(".min")
&& file.Name != "dark.css"
&& file.Name != "dark-template.css"
&& (file.Extension == ".css");
};
public override string ResourceType { get; } = "CSS";
public override string Minify(string input)
{
return new UglifyCss().Run(input);
}
public override ProjectBuilder Build(ProjectBuilder builder)
{
base.Build(builder);
return builder.BuildDarkStyles();
}
}
sealed class JavascriptMinifier : ResourceMinifier
{
public override Predicate<FileInfo> FileFilter { get; } = file =>
{
return (file.FullName.Contains(@"style\")
|| file.FullName.Contains(@"touch\")
|| file.FullName.Contains(@"utils\")
|| file.FullName.Contains(@"video\"))
&& file.Extension == ".js";
};
public override string ResourceType { get; } = "JavaScript";
public override string Minify(string input)
{
if (!input.StartsWith("(() =>"))
{
Func<string, string> convertToRuntimeSource = source =>
{
var index = source.LastIndexOf("/");
if (index != -1)
{
source = source.Remove(1, index);
}
return source;
};
input = RegexReplacer.Replace(input, @"import (.*) from ([^\r\n;]*)", match =>
{
var imported = match.Groups[1].Value.Replace(" as ", ":");
var source = convertToRuntimeSource(match.Groups[2].Value);
return $"const {imported} = resources.import({source})";
});
input = RegexReplacer.Replace(input, @" import\((.*)\)", match =>
{
var source = convertToRuntimeSource(match.Groups[1].Value);
return $" resources.importAsync({source})";
});
input = @"(() =>
{
return (settings, resources) =>
{
" + input.Replace("export default ", "return ").Replace("export ", "") + @"
};
})();";
}
// Console.WriteLine(input);
return new UglifyJs().Run(input);
}
}
sealed class HtmlMinifier : ResourceMinifier
{
public override Predicate<FileInfo> FileFilter { get; } = file =>
{
return !file.FullName.Contains(".min") && file.Extension == ".html";
};
public override string ResourceType { get; } = "HTML";
static HtmlMinifier()
{
var patterns = new string[] {
@"<category\s*?icon=""?(.+?)""?>([^\0]*?)<\/category>",
@"<checkbox\s*?indent=""?(.+?)""?\s*?key=""?(.+?)""?\s*?dependencies=""?(.*?)""?>([^\0]*?)<\/checkbox>",
@"<dropdown\s*?indent=""?(.+?)""?\s*?key=""?(.+?)""?\s*?dependencies=""?(.*?)""?>([^\0]*?)<\/dropdown>",
@"<textbox\s*?indent=""?(.+?)""?\s*key=""?(.+?)""?\s*?dependencies=""?(.*?)""?>([^\0]*?)<\/textbox>",
};
var replacements = new string[] {
@"<li class='indent-center category folded'>
<i class='icon-$1' style='margin-right:8px'></i>
<span class='settings-category'>$2</span>
<i class='icon-arrow' style='margin-left:8px'></i>
</li>",
@"<li class='indent-$1 folded' data-indent='$1' data-key='$2' data-dependencies='$3'>
<label class='gui-settings-checkbox-container'>
<input key='$2' type='checkbox' dependencies='$3' checked/>
<div class='gui-settings-checkbox'></div>
<span>$4</span>
</label>
</li>",
@"<li class='indent-$1 folded' data-indent='$1' data-key='$2' data-dependencies='$3'>
<label class='gui-settings-dropdown-container'>
<span class='gui-settings-dropdown-span'>$4</span>
<div class='gui-settings-dropdown popup'>
<input readonly type='text' spellcheck='false' key='$2' dependencies='$3'>
<ul></ul>
<i class='icon-arrow'></i>
</div>
</label>
</li>",
@"<li class='indent-$1 folded' data-indent='$1' data-key='$2' data-dependencies='$3'>
<label class='gui-settings-textbox-container'>
<span>$4</span>
<input key='$2' dependencies='$3' spellcheck='false' type='text' />
</label>
</li>",
};
regices = patterns.Zip(replacements, (pattern, replacement) =>
{
return (new Regex(pattern, RegexOptions.Compiled | RegexOptions.IgnoreCase), replacement);
});
}
private static readonly IEnumerable<(Regex, string)> regices;
public override string Minify(string input)
{
foreach (var (regex, replacement) in regices)
{
input = regex.Replace(input, replacement);
}
return new UglifyHtml().Run(input);
}
}
}