示例#1
0
        /// <summary>
        /// Get the value of a variable.
        /// </summary>
        /// <param name="sourceLineNumbers">The source line information for the function.</param>
        /// <param name="prefix">The variable prefix.</param>
        /// <param name="name">The variable name.</param>
        /// <returns>The variable value or null if the variable is not set.</returns>
        public string GetVariableValue(SourceLineNumberCollection sourceLineNumbers, string prefix, string name)
        {
            if (null == prefix)
            {
                throw new ArgumentNullException("prefix");
            }

            if (null == name)
            {
                throw new ArgumentNullException("name");
            }

            if (0 == name.Length)
            {
                throw new ArgumentException("Empty variable name.", "name");
            }

            switch (prefix)
            {
            case "env":
                return(Environment.GetEnvironmentVariable(name));

            case "sys":
                switch (name)
                {
                case "CURRENTDIR":
                    return(String.Concat(Directory.GetCurrentDirectory(), Path.DirectorySeparatorChar));

                case "SOURCEFILEDIR":
                    return(String.Concat(Path.GetDirectoryName(this.sourceFile), Path.DirectorySeparatorChar));

                case "SOURCEFILEPATH":
                    return(this.sourceFile);

                default:
                    return(null);
                }

            case "var":
                return((string)this.variables[name]);

            default:
                PreprocessorExtension extension = (PreprocessorExtension)this.extensionsByPrefix[prefix];
                if (null != extension)
                {
                    try
                    {
                        return(extension.GetVariableValue(prefix, name));
                    }
                    catch (Exception e)
                    {
                        throw new WixException(WixErrors.PreprocessorExtensionGetVariableValueFailed(sourceLineNumbers, prefix, name, e.Message));
                    }
                }
                else
                {
                    return(null);
                }
            }
        }
示例#2
0
        /// <summary>
        /// Get the value of a variable.
        /// </summary>
        /// <param name="sourceLineNumbers">The source line information for the function.</param>
        /// <param name="prefix">The variable prefix.</param>
        /// <param name="name">The variable name.</param>
        /// <returns>The variable value or null if the variable is not set.</returns>
        public string GetVariableValue(SourceLineNumberCollection sourceLineNumbers, string prefix, string name)
        {
            if (String.IsNullOrEmpty(prefix))
            {
                throw new ArgumentNullException("prefix");
            }

            if (String.IsNullOrEmpty(name))
            {
                throw new ArgumentNullException("name");
            }

            switch (prefix)
            {
            case "env":
                return(Environment.GetEnvironmentVariable(name));

            case "sys":
                switch (name)
                {
                case "CURRENTDIR":
                    return(String.Concat(Directory.GetCurrentDirectory(), Path.DirectorySeparatorChar));

                case "SOURCEFILEDIR":
                    return(String.Concat(Path.GetDirectoryName(sourceLineNumbers[0].FileName), Path.DirectorySeparatorChar));

                case "SOURCEFILEPATH":
                    return(sourceLineNumbers[0].FileName);

                case "PLATFORM":
                    this.OnMessage(WixWarnings.DeprecatedPreProcVariable(sourceLineNumbers, "$(sys.PLATFORM)", "$(sys.BUILDARCH)"));

                    goto case "BUILDARCH";

                case "BUILDARCH":
                    switch (this.currentPlatform)
                    {
                    case Platform.X86:
                        return("x86");

                    case Platform.X64:
                        return("x64");

                    case Platform.IA64:
                        return("ia64");

                    default:
                        throw new ArgumentException(WixStrings.EXP_UnknownPlatformEnum, this.currentPlatform.ToString());
                    }

                default:
                    return(null);
                }

            case "var":
                return((string)this.variables[name]);

            default:
                PreprocessorExtension extension = (PreprocessorExtension)this.extensionsByPrefix[prefix];
                if (null != extension)
                {
                    try
                    {
                        return(extension.GetVariableValue(prefix, name));
                    }
                    catch (Exception e)
                    {
                        throw new WixException(WixErrors.PreprocessorExtensionGetVariableValueFailed(sourceLineNumbers, prefix, name, e.Message));
                    }
                }
                else
                {
                    return(null);
                }
            }
        }