Doc, skeleton CSS processor

Minime.sln

@@ -3,6 +3,14 @@ Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio Version 17
 VisualStudioVersion = 17.0.31903.59
 MinimumVisualStudioVersion = 10.0.40219.1
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "src", "src", "{EEBF5124-1862-4105-B6AB-A9B578B0CA3D}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Nyanbyte.Minime", "src\Nyanbyte.Minime\Nyanbyte.Minime.csproj", "{96F040B9-C9C9-4B1E-ABB5-39DA51BEB00C}"
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "test", "test", "{9DA99E16-F65C-466B-9FB3-C59D9E1B31AC}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Nyanbyte.Minime.Test", "test\Nyanbyte.Minime.Test\Nyanbyte.Minime.Test.csproj", "{1E4D89E6-A38C-4E68-9DA2-BF931190696C}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -11,4 +19,18 @@ Global
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
 	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{96F040B9-C9C9-4B1E-ABB5-39DA51BEB00C}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{96F040B9-C9C9-4B1E-ABB5-39DA51BEB00C}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{96F040B9-C9C9-4B1E-ABB5-39DA51BEB00C}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{96F040B9-C9C9-4B1E-ABB5-39DA51BEB00C}.Release|Any CPU.Build.0 = Release|Any CPU
+		{1E4D89E6-A38C-4E68-9DA2-BF931190696C}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{1E4D89E6-A38C-4E68-9DA2-BF931190696C}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{1E4D89E6-A38C-4E68-9DA2-BF931190696C}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{1E4D89E6-A38C-4E68-9DA2-BF931190696C}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(NestedProjects) = preSolution
+		{96F040B9-C9C9-4B1E-ABB5-39DA51BEB00C} = {EEBF5124-1862-4105-B6AB-A9B578B0CA3D}
+		{1E4D89E6-A38C-4E68-9DA2-BF931190696C} = {9DA99E16-F65C-466B-9FB3-C59D9E1B31AC}
+	EndGlobalSection
 EndGlobal

README.md

@@ -1,3 +1,13 @@
 # Minime
 
 ASP.NET Core CSS & JS minimization and packing
+
+## Usage
+
+Add this to the project uwu~
+
+```xml
+<Target Name="Minime" AfterTargets="Build">
+    <MinimeBuildTask />
+</Target>
+```

src/Nyanbyte.Minime/Processing/CssProcessor.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Buffers;
 using System.Collections.Generic;
 using System.Linq;
 using System.Threading.Tasks;
@@ -9,14 +10,69 @@ public class CssProcessor : IProcessor
 {
     internal const string
         L_COMMENT_OPEN = "/*",
-        L_COMMENT_CLOSE = "*/",
+        L_COMMENT_CLOSE = "*/";
-        L_STRING = "\"",
+    internal const char
-        L_STRING_C = "'",
+        L_STRING = '"',
-        L_SEMI = ";";
+        L_STRING_C = '\'',
+        L_SEMI = ';';
 
-    public Task Execute(FileContext ctx)
+    public async Task Execute(FileContext ctx, CancellationToken cancellation)
     {
+        var write = ctx.Output;
+        var read = ctx.Input;
 
-        return Task.CompletedTask;
+        bool isQuote = false, isComment = false;
+
+        Memory<char> buf = MemoryPool<char>.Shared.Rent(32 * 1024).Memory;
+        int len = await read.ReadBlockAsync(buf, cancellation);
+
+        for (int i = 0; i < len; i++)
+        {
+            char c = buf.Span[i];
+
+            if (isComment)
+            {
+                if (buf.Slice(i, 2).Span.SequenceEqual(L_COMMENT_CLOSE))
+                {
+                    isComment = false;
+                    ++i;
+                    continue;
+                }
+            }
+
+
+            switch (c)
+            {
+                case L_STRING or L_STRING_C:
+                    isQuote = !isQuote;
+                    continue;
+                case ' ':
+                    if (!isQuote)
+                        continue;
+                    await write.WriteAsync(c);
+                    break;
+                case '\n':
+                    continue;
+                case '/':
+                    if (!isQuote)
+                    {
+                        if (buf.Slice(i, 2).Span.SequenceEqual(L_COMMENT_OPEN))
+                        {
+                            isComment = true;
+                            ++i;
+                            continue;
+                        }
+
+                    }
+                    continue;
+                default:
+                    if (isQuote)
+                    {
+                        await write.WriteAsync(c);
+                        continue;
+                    }
+                    break;
+            }
+        }
     }
 }

src/Nyanbyte.Minime/Processing/FileContext.cs

@@ -11,5 +11,6 @@ public class FileContext
     public required string Path { get; init; }
     public required IBuildEngine BuildEngine { get; init; }
     public string? OutputPath { get; set; }
-    public StreamReader Reader { get; internal set; } = null!;
+    public StreamWriter Output { get; internal set; } = null!;
+    public StreamReader Input { get; internal set; } = null!;
 }

src/Nyanbyte.Minime/Processing/IProcessor.cs

@@ -7,5 +7,5 @@ namespace Nyanbyte.Minime.Processing;
 
 public interface IProcessor
 {
-    public Task Execute(FileContext ctx);
+    public Task Execute(FileContext ctx, CancellationToken cancellation);
 }

test/Nyanbyte.Minime.Test/GlobalUsings.cs

@@ -0,0 +1 @@
+global using Xunit;

test/Nyanbyte.Minime.Test/Nyanbyte.Minime.Test.csproj

@@ -0,0 +1,25 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net7.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+
+    <IsPackable>false</IsPackable>
+    <IsTestProject>true</IsTestProject>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.7.1" />
+    <PackageReference Include="xunit" Version="2.4.2" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.5">
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
+    <PackageReference Include="coverlet.collector" Version="3.2.0">
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
+  </ItemGroup>
+
+</Project>

test/Nyanbyte.Minime.Test/Processor/CssProcessorTests.cs

@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using Xunit;
+
+namespace Nyanbyte.Minime.Test.Processor;
+
+public class CssProcessorTests
+{
+    [Fact]
+    public void GeneralCssProcessorTest()
+    {
+    }
+}