/// <summary>
/// This function retrieves the latest version information from the build file for a provided assembly.
/// </summary>
/// <param name="assemblyName">The name of the assembly.</param>
/// <returns>The latest version information for the specified assembly from the build file. If the version information for the
/// specified assembly is not present in the assembly build file, then the function returns null.</returns>
public static Version GetLatestAssemblyVersion(string assemblyName)
{
if (assemblyName == null)
{
throw new ArgumentNullException("assemblyName");
}
if (Versions == null)
{
Versions = VersionFileReader.GetVersions(AssemblyVersionsFile, AssemblyElementXPath);
if (Versions == null)
{
throw new InvalidOperationException(String.Format(CultureInfo.InvariantCulture, Resources.VersionsFileMissing, AssemblyVersionsFile));
}
}
string assemblyVersion;
Versions.TryGetValue(assemblyName, out assemblyVersion);
Version version;
if (!Version.TryParse(assemblyVersion, out version))
{
return(null);
}
return(version);
}
/// <summary>
/// This function retrieves the package versions from the package version file based on the project references.
/// </summary>
/// <param name="context">The <see cref="CodeGenerationContext"/> provided by core scaffolding.</param>
/// <returns>A <see cref="Dictionary"/> containing package id as the key and version as the value.</returns>
public static IDictionary <string, string> GetPackageVersions(CodeGenerationContext context)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
IDictionary <string, string> packageVersions;
string packageVersionsFile = GetPackageReferenceFileName(context);
Contract.Assert(packageVersionsFile != null);
// We are storing the computed package versions in the packageFileContents to avoid multiple calls to the file system.
if (PackageFileContents == null)
{
PackageFileContents = new Dictionary <string, IDictionary <string, string> >(StringComparer.OrdinalIgnoreCase);
}
else
{
PackageFileContents.TryGetValue(packageVersionsFile, out packageVersions);
if (packageVersions != null)
{
return(packageVersions);
}
}
packageVersions = VersionFileReader.GetVersions(packageVersionsFile, PackageElementXPath);
if (packageVersions == null)
{
throw new InvalidOperationException(String.Format(CultureInfo.InvariantCulture, Resources.VersionsFileMissing, packageVersionsFile));
}
PackageFileContents[packageVersionsFile] = packageVersions;
return(packageVersions);
}