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Introduce CSSLayoutSetLogger to pass the print result to C# side

Browse Source 
Summary:
- CSSLayoutSetLogger
  - Problem: Unity or other logging system can't use printf output
  - Solution: Add CSSLogger to pass CSSNodePrint result to UnityEngine.Debug.Log or other logging system via CSSLogger function for debugging purpose

Reviewed By: emilsjolander

Differential Revision: D4027044

fbshipit-source-id: 90e2e449260888770f71fa7ea790ca9764d91c44
This commit is contained in:
Kazuki Sakamoto
2016-10-19 11:01:24 -07:00
committed by Facebook Github Bot
parent e4ad7d3c12
commit daed6f5b8a
11 changed files with 347 additions and 229 deletions
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30
csharp/CSSLayout/CSSInterop.cpp Normal file
View File

@@ -0,0 +1,30 @@
/**
* Copyright (c) 2014-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
#include "CSSInterop.h"
static CSSInteropLoggerFunc gManagedFunc;
static int unmanagedLogger(const char *format, ...) {
int result = 0;
if (gManagedFunc) {
va_list args;
va_start(args, format);
char buffer[256];
result = vsnprintf(buffer, sizeof(buffer), format, args);
(*gManagedFunc)(buffer);
va_end(args);
}
return result;
}
void CSSInteropSetLogger(CSSInteropLoggerFunc managedFunc) {
gManagedFunc = managedFunc;
CSSLayoutSetLogger(&unmanagedLogger);
}

17
csharp/Facebook.CSSLayout/CSSPrintFunc.cs → csharp/CSSLayout/CSSInterop.h Normal file → Executable file
View File

@@ -1,4 +1,4 @@
/**
/**
* Copyright (c) 2014-present, Facebook, Inc.
* All rights reserved.
*
@@ -7,9 +7,14 @@
* of patent rights can be found in the PATENTS file in the same directory.
*/
using System;
#pragma once
namespace Facebook.CSSLayout
{
public delegate void CSSPrintFunc(IntPtr context);
}
#include <CSSLayout/CSSLayout.h>
CSS_EXTERN_C_BEGIN
typedef void (*CSSInteropLoggerFunc)(const char *message);
WIN_EXPORT void CSSInteropSetLogger(CSSInteropLoggerFunc managedFunc);
CSS_EXTERN_C_END

360
csharp/CSSLayout/CSSLayout.vcxproj
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@@ -1,177 +1,183 @@
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<ClInclude Include="..\..\CSSLayout\CSSMacros.h" />
<ClInclude Include="..\..\CSSLayout\CSSNodeList.h" />
<ClInclude Include="stdafx.h" />
<ClInclude Include="targetver.h" />
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<ClInclude Include="..\..\CSSLayout\CSSMacros.h" />
<ClInclude Include="..\..\CSSLayout\CSSNodeList.h" />
<ClInclude Include="CSSInterop.h" />
<ClInclude Include="stdafx.h" />
<ClInclude Include="targetver.h" />
</ItemGroup>
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<ClCompile Include="..\..\CSSLayout\CSSLayout.c" />
<ClCompile Include="..\..\CSSLayout\CSSNodeList.c" />
<ClCompile Include="CSSInterop.cpp" />
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<CompileAsManaged Condition="'$(Configuration)|$(Platform)'=='Release|x64'">false</CompileAsManaged>
<PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
</PrecompiledHeader>
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<ImportGroup Label="ExtensionTargets">
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6
csharp/CSSLayout/CSSLayout.vcxproj.filters Normal file → Executable file
View File

@@ -30,6 +30,9 @@
<ClInclude Include="..\..\CSSLayout\CSSNodeList.h">
<Filter>Header Files</Filter>
</ClInclude>
<ClInclude Include="CSSInterop.h">
<Filter>Header Files</Filter>
</ClInclude>
</ItemGroup>
<ItemGroup>
<ClCompile Include="stdafx.cpp">
@@ -44,5 +47,8 @@
<ClCompile Include="..\..\CSSLayout\CSSNodeList.c">
<Filter>Source Files</Filter>
</ClCompile>
<ClCompile Include="CSSInterop.cpp">
<Filter>Source Files</Filter>
</ClCompile>
</ItemGroup>
</Project>

6
csharp/Facebook.CSSLayout/CSSAssert.cs
View File

@@ -16,14 +16,16 @@ namespace Facebook.CSSLayout
public delegate void FailFunc(string message);
private static bool _assertInitialized;
private static FailFunc _failFunc;
public static void Initialize()
{
if (!_assertInitialized)
{
Native.CSSAssertSetFailFunc((message) => {
_failFunc = (message) => {
throw new InvalidOperationException(message);
});
};
Native.CSSAssertSetFailFunc(_failFunc);
_assertInitialized = true;
}
}

38
csharp/Facebook.CSSLayout/CSSLogger.cs Normal file
View File

@@ -0,0 +1,38 @@
/**
* Copyright (c) 2014-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
using System;
namespace Facebook.CSSLayout
{
internal static class CSSLogger
{
public delegate void Func(string message);
private static bool _initialized;
private static Func _managedLogger = null;
public static Func Logger = null;
public static void Initialize()
{
if (!_initialized)
{
_managedLogger = (message) => {
if (Logger != null)
{
Logger(message);
}
};
Native.CSSInteropSetLogger(_managedLogger);
_initialized = true;
}
}
}
}

12
csharp/Facebook.CSSLayout/CSSNode.cs
View File

@@ -11,6 +11,7 @@ using System;
using System.Collections;
using System.Collections.Generic;
using System.Runtime.InteropServices;
using System.Text;
namespace Facebook.CSSLayout
{
@@ -110,9 +111,9 @@ namespace Facebook.CSSLayout
}
CSSAssert.Initialize();
CSSLogger.Initialize();
_cssNode = Native.CSSNodeNew();
_children = new List<CSSNode>(4);
Native.CSSNodeSetPrintFunc(_cssNode, PrintInternal);
}
public void Free()
@@ -704,9 +705,14 @@ namespace Facebook.CSSLayout
return new CSSSize { width = measureResult.Width, height = measureResult.Height };
}
private void PrintInternal(IntPtr context)
public string Print(CSSPrintOptions options = CSSPrintOptions.Layout|CSSPrintOptions.Style|CSSPrintOptions.Children)
{
System.Diagnostics.Debug.WriteLine(ToString());
AssertNativeInstance();
StringBuilder sb = new StringBuilder();
CSSLogger.Logger = (message) => {sb.Append(message);};
Native.CSSNodePrint(_cssNode, options);
CSSLogger.Logger = null;
return sb.ToString();
}
public IEnumerator<CSSNode> GetEnumerator()

9
csharp/Facebook.CSSLayout/Native.cs
View File

@@ -20,6 +20,9 @@ namespace Facebook.CSSLayout
private const string DllName = "CSSLayout";
#endif
[DllImport(DllName)]
public static extern void CSSInteropSetLogger(CSSLogger.Func func);
[DllImport(DllName)]
public static extern void CSSAssertSetFailFunc(CSSAssert.FailFunc func);
@@ -81,12 +84,6 @@ namespace Facebook.CSSLayout
[DllImport(DllName)]
public static extern CSSMeasureFunc CSSNodeGetMeasureFunc(IntPtr node);
[DllImport(DllName)]
public static extern void CSSNodeSetPrintFunc(IntPtr node, CSSPrintFunc printFunc);
[DllImport(DllName)]
public static extern CSSPrintFunc CSSNodeGePrintFunc(IntPtr node);
[DllImport(DllName)]
public static extern void CSSNodeSetIsTextnode(IntPtr node, [MarshalAs(UnmanagedType.I1)] bool isTextNode);

18
csharp/tests/Facebook.CSSLayout/CSSNodeTest.cs
View File

@@ -178,6 +178,24 @@ namespace Facebook.CSSLayout
Assert.AreEqual(150, (int)node.LayoutHeight);
}
[Test]
public void TestPrint()
{
CSSNode parent = new CSSNode();
parent.StyleWidth = 100;
parent.StyleHeight = 120;
CSSNode child0 = new CSSNode();
child0.StyleWidth = 30;
child0.StyleHeight = 40;
CSSNode child1 = new CSSNode();
child1.StyleWidth = 35;
child1.StyleHeight = 45;
parent.Insert(0, child0);
parent.Insert(0, child1);
parent.CalculateLayout();
Assert.AreEqual(parent.Print(), "{layout: {width: 100, height: 120, top: 0, left: 0}, flexDirection: 'column', alignItems: 'stretch', flexGrow: 0, flexShrink: 0, overflow: 'visible', width: 100, height: 120, children: [\n {layout: {width: 35, height: 45, top: 0, left: 0}, flexDirection: 'column', alignItems: 'stretch', flexGrow: 0, flexShrink: 0, overflow: 'visible', width: 35, height: 45, },\n {layout: {width: 30, height: 40, top: 45, left: 0}, flexDirection: 'column', alignItems: 'stretch', flexGrow: 0, flexShrink: 0, overflow: 'visible', width: 30, height: 40, },\n]},\n");
}
private void ForceGC()
{
GC.Collect(GC.MaxGeneration);