| public static TryParseVersionSpec ( string value, IVersionSpec &result ) : bool | ||
| value | string | |
| result | IVersionSpec | |
| return | bool | |
/// <summary>
/// Parses a dependency from the feed in the format:
/// id or id:versionSpec, or id:versionSpec:targetFramework
/// </summary>
private static Tuple <string, IVersionSpec, FrameworkName> ParseDependency(string value)
{
if (String.IsNullOrWhiteSpace(value))
{
return(null);
}
// IMPORTANT: Do not pass StringSplitOptions.RemoveEmptyEntries to this method, because it will break
// if the version spec is null, for in that case, the Dependencies string sent down is "<id>::<target framework>".
// We do want to preserve the second empty element after the split.
string[] tokens = value.Trim().Split(new[] { ':' });
if (tokens.Length == 0)
{
return(null);
}
// Trim the id
string id = tokens[0].Trim();
IVersionSpec versionSpec = null;
if (tokens.Length > 1)
{
// Attempt to parse the version
VersionUtility.TryParseVersionSpec(tokens[1], out versionSpec);
}
var targetFramework = (tokens.Length > 2 && !String.IsNullOrEmpty(tokens[2]))
? VersionUtility.ParseFrameworkName(tokens[2])
: null;
return(Tuple.Create(id, versionSpec, targetFramework));
}
public IEnumerable <PackageReference> GetPackageReferences(bool requireVersion)
{
XDocument document = GetDocument();
if (document == null)
{
yield break;
}
foreach (var e in document.Root.Elements("package"))
{
string id = e.GetOptionalAttributeValue("id");
string versionString = e.GetOptionalAttributeValue("version");
string versionConstraintString = e.GetOptionalAttributeValue("allowedVersions");
string targetFrameworkString = e.GetOptionalAttributeValue("targetFramework");
SemanticVersion version = null;
if (String.IsNullOrEmpty(id))
{
// If the id is empty, ignore the record unless unspecified versions are allowed
continue;
}
if (String.IsNullOrEmpty(versionString))
{
// If the version is empty, ignore the record unless unspecified versions are allowed
if (requireVersion)
{
continue;
}
}
else if (!SemanticVersion.TryParse(versionString, out version))
{
throw new InvalidDataException(String.Format(CultureInfo.CurrentCulture, NuGetResources.ReferenceFile_InvalidVersion, versionString, _path));
}
IVersionSpec versionConstaint = null;
if (!String.IsNullOrEmpty(versionConstraintString))
{
if (!VersionUtility.TryParseVersionSpec(versionConstraintString, out versionConstaint))
{
throw new InvalidDataException(String.Format(CultureInfo.CurrentCulture, NuGetResources.ReferenceFile_InvalidVersion, versionConstraintString, _path));
}
_constraints[id] = versionConstraintString;
}
FrameworkName targetFramework = null;
if (!String.IsNullOrEmpty(targetFrameworkString))
{
targetFramework = VersionUtility.ParseFrameworkName(targetFrameworkString);
if (targetFramework == VersionUtility.UnsupportedFrameworkName)
{
targetFramework = null;
}
}
yield return(new PackageReference(id, version, versionConstaint, targetFramework));
}
}
/// <summary>
/// Parses a dependency from the feed in the format:
/// id:versionSpec or id
/// </summary>
private static PackageDependency ParseDependency(string value)
{
if (String.IsNullOrWhiteSpace(value))
{
return(null);
}
string[] tokens = value.Trim().Split(new[] { ':' }, StringSplitOptions.RemoveEmptyEntries);
if (tokens.Length == 0)
{
return(null);
}
// Trim the id
string id = tokens[0].Trim();
IVersionSpec versionSpec = null;
if (tokens.Length > 1)
{
// Attempt to parse the version
VersionUtility.TryParseVersionSpec(tokens[1], out versionSpec);
}
return(new PackageDependency(id, versionSpec));
}
private static Tuple <string, IVersionSpec, FrameworkName> ParseDependency(string value)
{
if (string.IsNullOrWhiteSpace(value))
{
return(null);
}
char[] separator = new char[] { ':' };
string[] strArray = value.Trim().Split(separator);
if (strArray.Length == 0)
{
return(null);
}
IVersionSpec result = null;
if (strArray.Length > 1)
{
VersionUtility.TryParseVersionSpec(strArray[1], out result);
}
return(Tuple.Create <string, IVersionSpec, FrameworkName>(strArray[0].Trim(), result, ((strArray.Length <= 2) || string.IsNullOrEmpty(strArray[2])) ? null : VersionUtility.ParseFrameworkName(strArray[2])));
}
public IEnumerable <PackageReference> GetPackageReferences(bool requireVersion)
{
XDocument document = GetDocument();
if (document == null)
{
yield break;
}
foreach (var e in document.Root.Elements("package"))
{
string id = e.GetOptionalAttributeValue("id");
string versionString = e.GetOptionalAttributeValue("version");
string versionConstraintString = e.GetOptionalAttributeValue("allowedVersions");
string targetFrameworkString = e.GetOptionalAttributeValue("targetFramework");
string developmentFlagString = e.GetOptionalAttributeValue("developmentDependency");
string requireReinstallationString = e.GetOptionalAttributeValue("requireReinstallation");
SemanticVersion version = null;
if (String.IsNullOrEmpty(id))
{
// If the id is empty, ignore the record
continue;
}
// If the version is invalid, raise an error unless it's both empty and not required
if ((requireVersion || !String.IsNullOrEmpty(versionString)) && !SemanticVersion.TryParse(versionString, out version))
{
throw new InvalidDataException(String.Format(CultureInfo.CurrentCulture, NuGetResources.ReferenceFile_InvalidVersion, versionString, _path));
}
IVersionSpec versionConstaint = null;
if (!String.IsNullOrEmpty(versionConstraintString))
{
if (!VersionUtility.TryParseVersionSpec(versionConstraintString, out versionConstaint))
{
throw new InvalidDataException(String.Format(CultureInfo.CurrentCulture, NuGetResources.ReferenceFile_InvalidVersion, versionConstraintString, _path));
}
_constraints[id] = versionConstraintString;
}
FrameworkName targetFramework = null;
if (!String.IsNullOrEmpty(targetFrameworkString))
{
targetFramework = VersionUtility.ParseFrameworkName(targetFrameworkString);
if (targetFramework == VersionUtility.UnsupportedFrameworkName)
{
targetFramework = null;
}
}
var developmentFlag = false;
if (!String.IsNullOrEmpty(developmentFlagString))
{
if (!Boolean.TryParse(developmentFlagString, out developmentFlag))
{
throw new InvalidDataException(String.Format(CultureInfo.CurrentCulture, NuGetResources.ReferenceFile_InvalidDevelopmentFlag, developmentFlagString, _path));
}
_developmentFlags[id] = developmentFlagString;
}
var requireReinstallation = false;
if (!String.IsNullOrEmpty(requireReinstallationString))
{
if (!Boolean.TryParse(requireReinstallationString, out requireReinstallation))
{
throw new InvalidDataException(String.Format(CultureInfo.CurrentCulture, NuGetResources.ReferenceFile_InvalidRequireReinstallationFlag, requireReinstallationString, _path));
}
}
yield return(new PackageReference(id, version, versionConstaint, targetFramework, developmentFlag, requireReinstallation));
}
}