internal virtual bool IsUpToDate()
{
var outputWindow = OutputWindowRedirector.GetGeneral(ProjectMgr.Site);
#if DEBUG
outputWindow.WriteLine(string.Format("Checking whether {0} needs to be rebuilt:", ProjectMgr.Caption));
#endif
var latestInput = DateTime.MinValue;
var earliestOutput = DateTime.MaxValue;
bool mustRebuild = false;
var allInputs = new HashSet <string>(OutputGroups
.Where(g => IsInputGroup(g.Name))
.SelectMany(x => x.EnumerateOutputs())
.Select(input => input.CanonicalName),
StringComparer.OrdinalIgnoreCase
);
foreach (var group in OutputGroups.Where(g => !IsInputGroup(g.Name)))
{
foreach (var output in group.EnumerateOutputs())
{
var path = output.CanonicalName;
#if DEBUG
var dt = TryGetLastWriteTimeUtc(path);
outputWindow.WriteLine(string.Format(
" Out: {0}: {1} [{2}]",
group.Name,
path,
dt.HasValue ? dt.Value.ToString("s") : "err"
));
#endif
DateTime?modifiedTime;
if (!File.Exists(path) ||
!(modifiedTime = TryGetLastWriteTimeUtc(path, outputWindow)).HasValue)
{
mustRebuild = true;
break;
}
string inputPath;
if (File.Exists(inputPath = output.GetMetadata("SourceFile")))
{
var inputModifiedTime = TryGetLastWriteTimeUtc(inputPath, outputWindow);
if (inputModifiedTime.HasValue && inputModifiedTime.Value > modifiedTime.Value)
{
mustRebuild = true;
break;
}
else
{
continue;
}
}
// output is an input, ignore it...
if (allInputs.Contains(path))
{
continue;
}
if (modifiedTime.Value < earliestOutput)
{
earliestOutput = modifiedTime.Value;
}
}
if (mustRebuild)
{
// Early exit if we know we're going to have to rebuild
break;
}
}
if (mustRebuild)
{
#if DEBUG
outputWindow.WriteLine(string.Format(
"Rebuilding {0} because mustRebuild is true",
ProjectMgr.Caption
));
#endif
return(false);
}
foreach (var group in OutputGroups.Where(g => IsInputGroup(g.Name)))
{
foreach (var input in group.EnumerateOutputs())
{
var path = input.CanonicalName;
#if DEBUG
var dt = TryGetLastWriteTimeUtc(path);
outputWindow.WriteLine(string.Format(
" In: {0}: {1} [{2}]",
group.Name,
path,
dt.HasValue ? dt.Value.ToString("s") : "err"
));
#endif
if (!File.Exists(path))
{
continue;
}
var modifiedTime = TryGetLastWriteTimeUtc(path, outputWindow);
if (modifiedTime.HasValue && modifiedTime.Value > latestInput)
{
latestInput = modifiedTime.Value;
if (earliestOutput < latestInput)
{
break;
}
}
}
if (earliestOutput < latestInput)
{
// Early exit if we know we're going to have to rebuild
break;
}
}
if (earliestOutput < latestInput)
{
#if DEBUG
outputWindow.WriteLine(string.Format(
"Rebuilding {0} because {1:s} < {2:s}",
ProjectMgr.Caption,
earliestOutput,
latestInput
));
#endif
return(false);
}
else
{
#if DEBUG
outputWindow.WriteLine(string.Format(
"Not rebuilding {0} because {1:s} >= {2:s}",
ProjectMgr.Caption,
earliestOutput,
latestInput
));
#endif
return(true);
}
}
/// <summary>
/// Gets or creates the "General" output pane.
/// </summary>
/// <exception cref="InvalidOperationException">The "General" pane could
/// not be found or created.</exception>
public static OutputWindowRedirector GetGeneral(IServiceProvider provider) {
if (_generalPane == null) {
_generalPane = Get(provider, VSConstants.OutputWindowPaneGuid.GeneralPane_guid, "General");
}
return _generalPane;
}
