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2024-10-12 17:19:46 +08:00
# DocumentationPolicy
- **功能描述:** 指定文档验证的规则当前只能设为Strict
- **使用位置:** Any
- **引擎模块:** UHT
- **元数据类型:** string="abc"
- **常用程度:** ★
在UHT的ValidateDocumentationPolicy函数里会发现这个值主要是用来判断类型或字段上是否有提供Comment或Tooltip或者Float变量是否配了对应的“UIMin / UIMax”以便提取出来这些信息生成对应的文档。
当前只有一个配置是Strict里面默认是开启了所有的检查。所有可以理解为在C++源码里配置上DocumentationPolicy=Strict就意味着想要引擎来检查文档配置。
```cpp
_documentationPolicies["Strict"] = new()
{
ClassOrStructCommentRequired = true,
FunctionToolTipsRequired = true,
MemberToolTipsRequired = true,
ParameterToolTipsRequired = true,
FloatRangesRequired = true,
};
protected override void ValidateDocumentationPolicy(UhtDocumentationPolicy policy)
{
if (policy.ClassOrStructCommentRequired)
{
string classTooltip = MetaData.GetValueOrDefault(UhtNames.ToolTip);
if (classTooltip.Length == 0 || classTooltip.Equals(EngineName, StringComparison.OrdinalIgnoreCase))
{
this.LogError($"{EngineType.CapitalizedText()} '{SourceName}' does not provide a tooltip / comment (DocumentationPolicy).");
}
}
//。。。
}
```
## 源码中的类似例子:
```cpp
USTRUCT(meta=(DisplayName="Set Transform", Category="Transforms", TemplateName = "Set Transform", DocumentationPolicy = "Strict", Keywords="SetBoneTransform,SetControlTransform,SetInitialTransform,SetSpaceTransform", NodeColor="0, 0.364706, 1.0", Varying))
struct CONTROLRIG_API FRigUnit_SetTransform : public FRigUnitMutable
{
}
```
## 自己的测试代码:
```cpp
UCLASS(BlueprintType, meta = (DocumentationPolicy=Strict))
class INSIDER_API UMyClass_DocumentationPolicy :public UObject
{
GENERATED_BODY()
public:
UPROPERTY(BlueprintReadWrite, EditAnywhere)
float MyFloat;
UPROPERTY(BlueprintReadWrite, EditAnywhere)
FString MyString;
//This is a float
UPROPERTY(BlueprintReadWrite, EditAnywhere, meta = (UIMin = "0.0", UIMax = "100.0"))
float MyFloat_WithValidate;
UFUNCTION(meta = (DocumentationPolicy=Strict))
void MyFunc(){}
/**
* Test Func for validate param
* @param keyOtherName The name of Key
* @param keyValue
*/
UFUNCTION(BlueprintCallable, meta = (DocumentationPolicy=Strict))
int MyFunc_ValidateParamFailed(FString keyName,int keyValue){return 0;}//必须至少有一个@param才会开启参数注释的验证
/**
* Test Func for validate param
*
* @param keyName The name of key
* @param keyValue The value of key
* @return Return operation result
*/
UFUNCTION(meta = (DocumentationPolicy=Strict))
int MyFunc_ValidateParam(FString keyName,int keyValue){return 0;}
};
USTRUCT(BlueprintType, meta = (DocumentationPolicy=Strict))
struct INSIDER_API FMyStruct_DocumentationPolicy
{
GENERATED_BODY()
public:
UPROPERTY(BlueprintReadWrite, EditAnywhere)
float MyFloat;
UPROPERTY(BlueprintReadWrite, EditAnywhere)
FString MyString;
};
UENUM(BlueprintType, meta = (DocumentationPolicy=Strict))
enum class EMyEnum_DocumentationPolicy :uint8
{
First,
Second,
Third,
};
// This a tooltip / comment
UCLASS(BlueprintType, meta = (DocumentationPolicy = Strict))
class INSIDER_API UMyClass_DocumentationPolicy_TypeA :public UObject
{
GENERATED_BODY()
};
/**
* This a tooltip / comment
*
*/
UCLASS(BlueprintType, meta = (DocumentationPolicy = Strict))
class INSIDER_API UMyClass_DocumentationPolicy_TypeB :public UObject
{
GENERATED_BODY()
};
UCLASS(BlueprintType, meta = (DocumentationPolicy = Strict,ToolTip="This a tooltip")) //Cannot use ShortToolTip
class INSIDER_API UMyClass_DocumentationPolicy_TypeC :public UObject
{
GENERATED_BODY()
};
```
## 产生的UHT编译报错
```cpp
error : Class 'UMyClass_DocumentationPolicy' does not provide a tooltip / comment(DocumentationPolicy).
error : Property 'UMyClass_DocumentationPolicy::MyFloat' does not provide a tooltip / comment(DocumentationPolicy).
error : Property 'UMyClass_DocumentationPolicy::MyString' does not provide a tooltip / comment(DocumentationPolicy).
error : Property 'UMyClass_DocumentationPolicy::MyFloat' does not provide a valid UIMin / UIMax(DocumentationPolicy).
error : Function 'UMyClass_DocumentationPolicy::MyFunc' does not provide a tooltip / comment(DocumentationPolicy).
error : Function 'UMyClass_DocumentationPolicy::MyFunc' does not provide a comment(DocumentationPolicy).
error : Function 'UMyClass_DocumentationPolicy::MyFunc_ValidateParamFailed' doesn't provide a tooltip for parameter 'keyName' (DocumentationPolicy).
error : Function 'UMyClass_DocumentationPolicy::MyFunc_ValidateParamFailed' doesn't provide a tooltip for parameter 'keyValue' (DocumentationPolicy).
error : Function 'UMyClass_DocumentationPolicy::MyFunc_ValidateParamFailed' provides a tooltip for an unknown parameter 'keyOtherName'
error : Struct 'FMyStruct_DocumentationPolicy' does not provide a tooltip / comment(DocumentationPolicy).
error : Property 'FMyStruct_DocumentationPolicy::MyFloat' does not provide a tooltip / comment(DocumentationPolicy).
error : Property 'FMyStruct_DocumentationPolicy::MyString' does not provide a tooltip / comment(DocumentationPolicy).
error : Property 'FMyStruct_DocumentationPolicy::MyFloat' does not provide a valid UIMin / UIMax(DocumentationPolicy).
error : Enum 'EMyEnum_DocumentationPolicy' does not provide a tooltip / comment(DocumentationPolicy)
error : Enum entry 'EMyEnum_DocumentationPolicy::EMyEnum_DocumentationPolicy::First' does not provide a tooltip / comment(DocumentationPolicy)
error : Enum entry 'EMyEnum_DocumentationPolicy::EMyEnum_DocumentationPolicy::Second' does not provide a tooltip / comment(DocumentationPolicy)
error: Enum entry 'EMyEnum_DocumentationPolicy::EMyEnum_DocumentationPolicy::Third' does not provide a tooltip / comment(DocumentationPolicy)
```