我想创建一个简单的工具来解析一个xml文件,如果/当某个元素被发现时,它会获取该值,然后使用该值执行代码,然后执行代码输出一个新值,然后替换它并保存一个新的XML文件。事实证明,这看起来很有价值,但这很困难。使用Linq到XML而不是XML读写器
现在我正在使用XML阅读器和XML编写器的组合。这是非常冗长的,我似乎有小问题,这是难以解决的方法。 You can see an example of my previous approach and it's code here.
我在想如果有人能帮我弄清楚如何使用Linq来做XML这个工作。我需要筛选原始文档的XML,查找“ClInclude”和“ClCompile”,当它们被发现时,我需要执行代码并用新值替换这些属性字符串。 For a better example of what I am accomplishing, you can check the post prior to the last.
我已经做了很多尝试,并决定把沟通的读者/作家好。任何人都可以帮我完成这件事?以下是我在做的LINQ到XML的尝试:
string baseDir = (textBox2.Text + "\\" + safeFileName);
string vcName = Path.GetFileName(textBox1.Text);
string vcProj = Path.Combine(baseDir, vcName);
XDocument xmlDoc = XDocument.Load(textBox1.Text);
var items = from item in xmlDoc.Elements()
select item;
foreach (XElement itemElement in items)
{
if (itemElement.Name == "ClInclude")
{
// itemElement.SetElementValue("Include", "include/");
textBox3.AppendText(itemElement.Value);
}
}
xmlDoc.Save(vcProj);
现在,我只是他们附加到一个文本框,只是为了测试它。我似乎无法带回Clinclude或ClCompile中的任何元素。这里是我试图获得的价值,并更换线路的例子:
<ClCompile Include="..\..\lib\projx\conf.c" />
<ClCompile Include="..\..\lib\projx\hash.c" />
<ClCompile Include="..\..\lib\projx\init.c" />
这里是我解析XML的一个完整的例子:
<?xml version="1.0" encoding="utf-8"?>
<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<ItemGroup Label="ProjectConfigurations">
<ProjectConfiguration Include="Debug|Win32">
<Configuration>Debug</Configuration>
<Platform>Win32</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|Win32">
<Configuration>Release</Configuration>
<Platform>Win32</Platform>
</ProjectConfiguration>
</ItemGroup>
<PropertyGroup Label="Globals">
<ProjectGuid>{57900E99-A405-49F4-83B2-0254117D041B}</ProjectGuid>
<Keyword>Win32Proj</Keyword>
<RootNamespace>libprojx</RootNamespace>
</PropertyGroup>
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
<ConfigurationType>DynamicLibrary</ConfigurationType>
<UseDebugLibraries>true</UseDebugLibraries>
<CharacterSet>MultiByte</CharacterSet>
<PlatformToolset>v110</PlatformToolset>
</PropertyGroup>
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
<ConfigurationType>DynamicLibrary</ConfigurationType>
<UseDebugLibraries>false</UseDebugLibraries>
<WholeProgramOptimization>true</WholeProgramOptimization>
<CharacterSet>MultiByte</CharacterSet>
<PlatformToolset>v110</PlatformToolset>
</PropertyGroup>
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
<ImportGroup Label="ExtensionSettings">
</ImportGroup>
<ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
</ImportGroup>
<ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
</ImportGroup>
<PropertyGroup Label="UserMacros" />
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
<LinkIncremental>true</LinkIncremental>
</PropertyGroup>
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
<LinkIncremental>false</LinkIncremental>
</PropertyGroup>
<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
<ClCompile>
<PrecompiledHeader>
</PrecompiledHeader>
<WarningLevel>Level3</WarningLevel>
<Optimization>MaxSpeed</Optimization>
<PreprocessorDefinitions>WIN32;projx_EXPORTS;_DEBUG;_WINDOWS;_USRDLL;LIBprojx_EXPORTS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<AdditionalIncludeDirectories>..\..\Win32;..\..\lib;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
<BasicRuntimeChecks>Default</BasicRuntimeChecks>
<DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
</ClCompile>
<Link>
<SubSystem>Windows</SubSystem>
<GenerateDebugInformation>true</GenerateDebugInformation>
<AdditionalLibraryDirectories>..\..\..\..\Debug;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
<AdditionalDependencies>libdirect.lib;%(AdditionalDependencies)</AdditionalDependencies>
</Link>
</ItemDefinitionGroup>
<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
<ClCompile>
<WarningLevel>Level3</WarningLevel>
<PrecompiledHeader>
</PrecompiledHeader>
<Optimization>MaxSpeed</Optimization>
<FunctionLevelLinking>true</FunctionLevelLinking>
<IntrinsicFunctions>true</IntrinsicFunctions>
<PreprocessorDefinitions>WIN32;projx_EXPORTS;NDEBUG;_WINDOWS;_USRDLL;LIBprojx_EXPORTS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<AdditionalIncludeDirectories>..\..\Win32;..\..\lib;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
</ClCompile>
<Link>
<SubSystem>Windows</SubSystem>
<GenerateDebugInformation>true</GenerateDebugInformation>
<EnableCOMDATFolding>true</EnableCOMDATFolding>
<OptimizeReferences>true</OptimizeReferences>
<AdditionalLibraryDirectories>..\..\..\..\Debug;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
<AdditionalDependencies>libdirect.lib;%(AdditionalDependencies)</AdditionalDependencies>
</Link>
</ItemDefinitionGroup>
<ItemGroup>
<ClCompile Include="..\..\lib\projx\conf.c" />
<ClCompile Include="..\..\lib\projx\hash.c" />
<ClCompile Include="..\..\lib\projx\init.c" />
<ClCompile Include="..\..\lib\projx\shmalloc.c" />
<ClCompile Include="..\..\lib\projx\shm\fake.c" />
<ClCompile Include="..\..\lib\projx\vector.c" />
<ClCompile Include="dllmain.c" />
</ItemGroup>
<ItemGroup>
<ClInclude Include="..\..\lib\projx\conf.h" />
<ClInclude Include="..\..\lib\projx\hash.h" />
<ClInclude Include="..\..\lib\projx\shmalloc.h" />
<ClInclude Include="..\..\lib\projx\types.h" />
<ClInclude Include="..\..\lib\projx\vector.h" />
</ItemGroup>
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
<ImportGroup Label="ExtensionTargets">
</ImportGroup>
</Project>
看看重载xmlDoc.Elements();你应该能够在那里指定一个名字并且只有那些元素的结果。另外,你的行与SQL语法?这可以只是'items = xmlDoc.Elements()'。你也可以看看.Descendants – Magus