我目前正在尝试将Java库的一部分转换为C#库,以便在Unity中使用。在此Java库中,某些类是从XML文件生成的,而我拥有.xml文件,但是由于我从没做过这样的事情,所以无论是Java还是C#都没有。
我一直在做一些研究,发现了将.xml文件转换为.cs类的不同方法,但是找不到关于.xml应该具有的语法的文档。
我尝试使用工具xsd.exe,并设法从一个xml文件创建了xsd文件,但是当我尝试生成.cs文件时,却出现以下错误:Error: Can only generate one of classes or datasets.
然后,我进行了一些研究,发现了另一个工具Xsd2Code,因此我尝试将其与相同的.xml文件一起使用以获取.cs文件,但是它提示错误,提示该结构:
C:\Program Files (x86)\Xsd2Code>Xsd2Code.exe Vehicle.xml Vehicle.cs
Xsd2Code Version 3.4.0.32990
Code generation utility from XML schema files.
Error: Declaración XML inesperada. La declaración XML debe ser el primer nodo del documento y no pueden aparecer espacios en blanco delante. Línea 2, posición 3.
SubType: Unspecified
Rule:
我将翻译它,因为它是西班牙语:
错误:意外的XML声明。 XML声明必须是第一个节点,并且之前不能包含空格。第2行,位置3。
这是特定文件的第一行:
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:hfp="http://www.w3.org/2001/XMLSchema-hasFacetAndProperty" targetNamespace="http://www.w3.org/2001/XMLSchema" blockDefault="#all" elementFormDefault="qualified" version="1.0" xml:lang="EN">
<?xml version="1.0" encoding="UTF-8"?>
<traciClass>
<name>Vehicle</name>
编辑:正如第一条评论所述,我已将其更正,但现在我收到了
Error: Schema validation failed:
El elemento 'traciClass' no es compatible en este contexto.
SubType: Unspecified
Rule:
The element traciClass is not compatible in this context.
原始帖子继续:
这是一个模板,说明了如何在XML for Java中定义不同的对象,但是我想知道这种结构对于C#是否会有所不同。
<?xml version="1.0" encoding="UTF-8"?>
<!-- This file is used to generate a Java class with the same name for a
TraCI object. This saves manually writing a lot of boilerplate code. -->
<traciClass>
<!-- The name of the object. It will be used as the class name. First letter
is capital. Must be equal to this document's file name. -->
<name>ExampleTraciObject</name>
<!-- The javadoc of the class that will be generated. -->
<javadoc>
Put your object description here.
</javadoc>
<!-- Lists all the other repositories that are needed by the queries -->
<repos>
<repo>Repository1</repo>
<repo>Repository2</repo>
</repos>
<command>it.polito.appeal.traci.protocol.Constants.CMD_GET_VEHICLE_VARIABLE</command>
<!-- List of all "read" queries, i.e. those that don't change the state
of the object and return a value -->
<readQueries>
<readQuery>
<!-- The name of the query. If the name is XXX, the Java class will contain
a method named queryXXX() -->
<name>ReadSomeValueQuery</name>
<!-- The enum name of the query. It will appear as an enum entry
in the inner Variable enum, and can be used with the getReadQuery() method -->
<enum>SOME_VALUE</enum>
<!-- A numeric value or a constant of type int that tells the variable
ID -->
<const>it.polito.appeal.traci.protocol.Constants.SOME_VARIABLE</const>
<!-- The Java class name that can make the query. It must be a subclass
of ReadObjectVarQuery. If the class is on the package
it.polito.appeal.traci, the package name can be omitted-->
<query>ReadObjectVarQuery.IntegerQ</query>
<!-- The return type of the query. It must be the same type (or a supertype)
of the type parameter V specified in the above class.
Leave it empty to use the query class as the return type. -->
<returnType>java.lang.Integer</returnType>
<!-- If true, it means that this value may change at every simulation
step. -->
<dynamic>true</dynamic>
</readQuery>
<!-- add other read queries here -->
</readQueries>
<!-- List of all "change state" queries, i.e. those that change the state
of the object and don't return a value -->
<changeStateQueries>
<!-- The syntax of a changeStateQuery is similar to readQuery, differences
are listed below. -->
<changeStateQuery>
<name>DoSomething</name>
<query>DoSomethingQuery</query>
<!-- Lists the read queries that may be changed by the execution of this
query, identified by their name. Calling this query will clear the caches
of the queries contained here. -->
<affects>
<affect>ReadSomeValueQuery</affect>
</affects>
</changeStateQuery>
<!-- add other change state queries here -->
</changeStateQueries>
</traciClass>
这是XML语法的问题吗?
参考方案
xsd.exe
和xsd2Code
可用于从XML模式(通常以.xsd扩展名,因此是工具名称)生成C#类。它们不会直接从示例XML实例生成类。
根据xsd.exe
docs,您可以使用它从XML实例推断模式。然后,您可以由此生成类。
xsd.exe instance.xml
xsd.exe instance.xsd /classes
Visual Studio也可以帮助您:将XML复制到剪贴板,然后单击Edit | Paste Special | Paste XML as Classes
。
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