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C# CommandLineBuilderExtension.AppendSwitchAliased方法代码示例

本文整理汇总了C#中Microsoft.CodeAnalysis.BuildTasks.CommandLineBuilderExtension.AppendSwitchAliased方法的典型用法代码示例。如果您正苦于以下问题:C# CommandLineBuilderExtension.AppendSwitchAliased方法的具体用法?C# CommandLineBuilderExtension.AppendSwitchAliased怎么用?C# CommandLineBuilderExtension.AppendSwitchAliased使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在Microsoft.CodeAnalysis.BuildTasks.CommandLineBuilderExtension的用法示例。


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示例1: AddReferencesToCommandLine

        /// <summary>
        /// The C# compiler (starting with Whidbey) supports assembly aliasing for references.
        /// See spec at http://devdiv/spectool/Documents/Whidbey/VCSharp/Design%20Time/M3%20DCRs/DCR%20Assembly%20aliases.doc.
        /// This method handles the necessary work of looking at the "Aliases" attribute on
        /// the incoming "References" items, and making sure to generate the correct
        /// command-line on csc.exe.  The syntax for aliasing a reference is:
        ///     csc.exe /reference:Foo=System.Xml.dll
        ///
        /// The "Aliases" attribute on the "References" items is actually a comma-separated
        /// list of aliases, and if any of the aliases specified is the string "global",
        /// then we add that reference to the command-line without an alias.
        /// </summary>
        internal static void AddReferencesToCommandLine(
            CommandLineBuilderExtension commandLine,
            ITaskItem[] references,
            bool isInteractive = false)
        {
            // If there were no references passed in, don't add any /reference: switches
            // on the command-line.
            if (references == null)
            {
                return;
            }

            // Loop through all the references passed in.  We'll be adding separate
            // /reference: switches for each reference, and in some cases even multiple
            // /reference: switches per reference.
            foreach (ITaskItem reference in references)
            {
                // See if there was an "Alias" attribute on the reference.
                string aliasString = reference.GetMetadata("Aliases");


                string switchName = "/reference:";
                if (!isInteractive)
                {
                    bool embed = Utilities.TryConvertItemMetadataToBool(reference,
                                                                        "EmbedInteropTypes");

                    if (embed)
                    {
                        switchName = "/link:";
                    }
                }
                if (string.IsNullOrEmpty(aliasString))
                {
                    // If there was no "Alias" attribute, just add this as a global reference.
                    commandLine.AppendSwitchIfNotNull(switchName, reference.ItemSpec);
                }
                else
                {
                    // If there was an "Alias" attribute, it contains a comma-separated list
                    // of aliases to use for this reference.  For each one of those aliases,
                    // we're going to add a separate /reference: switch to the csc.exe
                    // command-line
                    string[] aliases = aliasString.Split(',');

                    foreach (string alias in aliases)
                    {
                        // Trim whitespace.
                        string trimmedAlias = alias.Trim();

                        if (alias.Length == 0)
                        {
                            continue;
                        }

                        // The alias should be a valid C# identifier.  Therefore it cannot
                        // contain comma, space, semicolon, or double-quote.  Let's check for
                        // the existence of those characters right here, and bail immediately
                        // if any are present.  There are a whole bunch of other characters
                        // that are not allowed in a C# identifier, but we'll just let csc.exe
                        // error out on those.  The ones we're checking for here are the ones
                        // that could seriously screw up the command-line parsing or could
                        // allow parameter injection.
                        if (trimmedAlias.IndexOfAny(new char[] { ',', ' ', ';', '"' }) != -1)
                        {
                            throw Utilities.GetLocalizedArgumentException(
                                ErrorString.Csc_AssemblyAliasContainsIllegalCharacters,
                                reference.ItemSpec,
                                trimmedAlias);
                        }

                        // The alias called "global" is special.  It means that we don't
                        // give it an alias on the command-line.
                        if (string.Compare("global", trimmedAlias, StringComparison.OrdinalIgnoreCase) == 0)
                        {
                            commandLine.AppendSwitchIfNotNull(switchName, reference.ItemSpec);
                        }
                        else
                        {
                            // We have a valid (and explicit) alias for this reference.  Add
                            // it to the command-line using the syntax:
                            //      /reference:Foo=System.Xml.dll
                            commandLine.AppendSwitchAliased(switchName, trimmedAlias, reference.ItemSpec);
                        }
                    }
                }
            }
        }
开发者ID:nileshjagtap,项目名称:roslyn,代码行数:100,代码来源:Csc.cs


注:本文中的Microsoft.CodeAnalysis.BuildTasks.CommandLineBuilderExtension.AppendSwitchAliased方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。