internal static ProjectItemGroupTaskItemInstance FactoryForDeserialization(ITranslator translator)
{
var instance = new ProjectItemGroupTaskItemInstance();
((ITranslatable)instance).Translate(translator);
return(instance);
}
/// <summary>
/// Cloning constructor
/// </summary>
private ProjectItemGroupTaskItemInstance(ProjectItemGroupTaskItemInstance that)
{
// All fields are immutable
_itemType = that._itemType;
_include = that._include;
_exclude = that._exclude;
_remove = that._remove;
_keepMetadata = that._keepMetadata;
_removeMetadata = that._removeMetadata;
_keepDuplicates = that._keepDuplicates;
_condition = that._condition;
_metadata = that._metadata;
}
/// <summary>
/// Takes an item specification, evaluates it and expands it into a list of items
/// </summary>
/// <param name="originalItem">The original item data</param>
/// <param name="expander">The expander to use.</param>
/// <remarks>
/// This code is very close to that which exists in the Evaluator.EvaluateItemXml method. However, because
/// it invokes type constructors, and those constructors take arguments of fundamentally different types, it has not
/// been refactored.
/// </remarks>
/// <returns>A list of items.</returns>
private IList<ProjectItemInstance> ExpandItemIntoItems
(
ProjectItemGroupTaskItemInstance originalItem,
Expander<ProjectPropertyInstance, ProjectItemInstance> expander,
ISet<string> keepMetadata,
ISet<string> removeMetadata
)
{
ProjectErrorUtilities.VerifyThrowInvalidProject(!(keepMetadata != null && removeMetadata != null), originalItem.KeepMetadataLocation, "KeepAndRemoveMetadataMutuallyExclusive");
IList<ProjectItemInstance> items = new List<ProjectItemInstance>();
// UNDONE: (Refactor) This code also exists in largely the same form in Evaluator.CreateItemsFromInclude.
// STEP 1: Expand properties and metadata in Include
string evaluatedInclude = expander.ExpandIntoStringLeaveEscaped(originalItem.Include, ExpanderOptions.ExpandPropertiesAndMetadata, originalItem.IncludeLocation);
// STEP 2: Split Include on any semicolons, and take each split in turn
if (evaluatedInclude.Length > 0)
{
IList<string> includeSplits = ExpressionShredder.SplitSemiColonSeparatedList(evaluatedInclude);
ProjectItemInstanceFactory itemFactory = new ProjectItemInstanceFactory(this.Project, originalItem.ItemType);
foreach (string includeSplit in includeSplits)
{
// STEP 3: If expression is "@(x)" copy specified list with its metadata, otherwise just treat as string
bool throwaway;
IList<ProjectItemInstance> itemsFromSplit = expander.ExpandSingleItemVectorExpressionIntoItems(includeSplit, itemFactory, ExpanderOptions.ExpandItems, false /* do not include null expansion results */, out throwaway, originalItem.IncludeLocation);
if (itemsFromSplit != null)
{
// Expression is in form "@(X)", so add these items directly.
foreach (ProjectItemInstance item in itemsFromSplit)
{
items.Add(item);
}
}
else
{
// The expression is not of the form "@(X)". Treat as string
string[] includeSplitFiles = EngineFileUtilities.GetFileListEscaped(Project.Directory, includeSplit);
foreach (string includeSplitFile in includeSplitFiles)
{
items.Add(new ProjectItemInstance(Project, originalItem.ItemType, includeSplitFile, includeSplit /* before wildcard expansion */, null, null, originalItem.Location.File));
}
}
}
// STEP 4: Evaluate, split, expand and subtract any Exclude
if (originalItem.Exclude.Length > 0)
{
string evaluatedExclude = expander.ExpandIntoStringLeaveEscaped(originalItem.Exclude, ExpanderOptions.ExpandAll, originalItem.ExcludeLocation);
if (evaluatedExclude.Length > 0)
{
IList<string> excludeSplits = ExpressionShredder.SplitSemiColonSeparatedList(evaluatedExclude);
HashSet<string> excludesUnescapedForComparison = new HashSet<string>(StringComparer.OrdinalIgnoreCase);
foreach (string excludeSplit in excludeSplits)
{
string[] excludeSplitFiles = EngineFileUtilities.GetFileListUnescaped(Project.Directory, excludeSplit);
foreach (string excludeSplitFile in excludeSplitFiles)
{
excludesUnescapedForComparison.Add(excludeSplitFile);
}
}
List<ProjectItemInstance> remainingItems = new List<ProjectItemInstance>();
for (int i = 0; i < items.Count; i++)
{
if (!excludesUnescapedForComparison.Contains(((IItem)items[i]).EvaluatedInclude))
{
remainingItems.Add(items[i]);
}
}
items = remainingItems;
}
}
}
// Filter the metadata as appropriate
if (keepMetadata != null)
{
foreach (var item in items)
{
var metadataToRemove = item.MetadataNames.Where(name => !keepMetadata.Contains(name));
foreach (var metadataName in metadataToRemove)
{
item.RemoveMetadata(metadataName);
}
}
}
else if (removeMetadata != null)
{
foreach (var item in items)
{
var metadataToRemove = item.MetadataNames.Where(name => removeMetadata.Contains(name));
foreach (var metadataName in metadataToRemove)
{
item.RemoveMetadata(metadataName);
}
}
}
return items;
}
/// <summary>
/// Adds batchable parameters from an item element into the list. If the item element was a task, these
/// would be its raw parameter values.
/// </summary>
/// <param name="parameterValues">The list of batchable values</param>
/// <param name="child">The item from which to find batchable values</param>
private void GetBatchableValuesFromBuildItemGroupChild(List<string> parameterValues, ProjectItemGroupTaskItemInstance child)
{
AddIfNotEmptyString(parameterValues, child.Include);
AddIfNotEmptyString(parameterValues, child.Exclude);
AddIfNotEmptyString(parameterValues, child.Remove);
AddIfNotEmptyString(parameterValues, child.Condition);
foreach (ProjectItemGroupTaskMetadataInstance metadataElement in child.Metadata)
{
AddIfNotEmptyString(parameterValues, metadataElement.Value);
AddIfNotEmptyString(parameterValues, metadataElement.Condition);
}
}
/// <summary>
/// Modifies items in the world - specifically, changes their metadata. Changes to items that are part of the project manifest are backed up, so
/// they can be reverted when the project is reset after the end of the build.
/// </summary>
/// <param name="child">The item specification to evaluate and modify.</param>
/// <param name="bucket">The batching bucket.</param>
private void ExecuteModify(ProjectItemGroupTaskItemInstance child, ItemBucket bucket, ISet<string> keepMetadata, ISet<string> removeMetadata)
{
ICollection<ProjectItemInstance> group = bucket.Lookup.GetItems(child.ItemType);
if (group == null || group.Count == 0)
{
// No items of this type to modify
return;
}
// Figure out what metadata names and values we need to set
var metadataToSet = new Lookup.MetadataModifications(keepMetadata != null);
// Filter the metadata as appropriate
if (keepMetadata != null)
{
foreach (var metadataName in keepMetadata)
{
metadataToSet[metadataName] = Lookup.MetadataModification.CreateFromNoChange();
}
}
else if (removeMetadata != null)
{
foreach (var metadataName in removeMetadata)
{
metadataToSet[metadataName] = Lookup.MetadataModification.CreateFromRemove();
}
}
foreach (ProjectItemGroupTaskMetadataInstance metadataInstance in child.Metadata)
{
bool condition = ConditionEvaluator.EvaluateCondition
(
metadataInstance.Condition,
ParserOptions.AllowAll,
bucket.Expander,
ExpanderOptions.ExpandAll,
Project.Directory,
metadataInstance.ConditionLocation,
LoggingContext.LoggingService,
LoggingContext.BuildEventContext
);
if (condition)
{
string evaluatedValue = bucket.Expander.ExpandIntoStringLeaveEscaped(metadataInstance.Value, ExpanderOptions.ExpandAll, metadataInstance.Location);
metadataToSet[metadataInstance.Name] = Lookup.MetadataModification.CreateFromNewValue(evaluatedValue);
}
}
// Now apply the changes. This must be done after filtering, since explicitly set metadata overrides filters.
bucket.Lookup.ModifyItems(child.ItemType, group, metadataToSet);
}
/// <summary>
/// Remove items from the world. Removes to items that are part of the project manifest are backed up, so
/// they can be reverted when the project is reset after the end of the build.
/// </summary>
/// <param name="child">The item specification to evaluate and remove.</param>
/// <param name="bucket">The batching bucket.</param>
private void ExecuteRemove(ProjectItemGroupTaskItemInstance child, ItemBucket bucket)
{
ICollection<ProjectItemInstance> group = bucket.Lookup.GetItems(child.ItemType);
if (group == null)
{
// No items of this type to remove
return;
}
List<ProjectItemInstance> itemsToRemove = FindItemsMatchingSpecification(group, child.Remove, child.RemoveLocation, bucket.Expander);
if (itemsToRemove != null)
{
if (LogTaskInputs && !LoggingContext.LoggingService.OnlyLogCriticalEvents && itemsToRemove.Count > 0)
{
var itemGroupText = ItemGroupLoggingHelper.GetParameterText(ResourceUtilities.GetResourceString("ItemGroupRemoveLogMessage"), child.ItemType, itemsToRemove.ToArray());
LoggingContext.LogCommentFromText(MessageImportance.Low, itemGroupText);
}
bucket.Lookup.RemoveItems(itemsToRemove);
}
}
/// <summary>
/// Add items to the world. This is the in-target equivalent of an item include expression outside of a target.
/// </summary>
/// <param name="child">The item specification to evaluate and add.</param>
/// <param name="bucket">The batching bucket.</param>
private void ExecuteAdd(ProjectItemGroupTaskItemInstance child, ItemBucket bucket, ISet<string> keepMetadata, ISet<string> removeMetadata)
{
// First, collect up the appropriate metadata collections. We need the one from the item definition, if any, and
// the one we are using for this batching bucket.
ProjectItemDefinitionInstance itemDefinition = null;
Project.ItemDefinitions.TryGetValue(child.ItemType, out itemDefinition);
// The NestedMetadataTable will handle the aggregation of the different metadata collections
NestedMetadataTable metadataTable = new NestedMetadataTable(child.ItemType, bucket.Expander.Metadata, itemDefinition);
IMetadataTable originalMetadataTable = bucket.Expander.Metadata;
bucket.Expander.Metadata = metadataTable;
// Second, expand the item include and exclude, and filter existing metadata as appropriate.
IList<ProjectItemInstance> itemsToAdd = ExpandItemIntoItems(child, bucket.Expander, keepMetadata, removeMetadata);
// Third, expand the metadata.
foreach (ProjectItemGroupTaskMetadataInstance metadataInstance in child.Metadata)
{
bool condition = ConditionEvaluator.EvaluateCondition
(
metadataInstance.Condition,
ParserOptions.AllowAll,
bucket.Expander,
ExpanderOptions.ExpandAll,
Project.Directory,
metadataInstance.Location,
LoggingContext.LoggingService,
LoggingContext.BuildEventContext
);
if (condition)
{
string evaluatedValue = bucket.Expander.ExpandIntoStringLeaveEscaped(metadataInstance.Value, ExpanderOptions.ExpandAll, metadataInstance.Location);
// This both stores the metadata so we can add it to all the items we just created later, and
// exposes this metadata to further metadata evaluations in subsequent loop iterations.
metadataTable.SetValue(metadataInstance.Name, evaluatedValue);
}
}
// Finally, copy the added metadata onto the new items. The set call is additive.
ProjectItemInstance.SetMetadata(metadataTable.AddedMetadata, itemsToAdd); // Add in one operation for potential copy-on-write
// Restore the original metadata table.
bucket.Expander.Metadata = originalMetadataTable;
// Determine if we should NOT add duplicate entries
bool keepDuplicates = ConditionEvaluator.EvaluateCondition
(
child.KeepDuplicates,
ParserOptions.AllowAll,
bucket.Expander,
ExpanderOptions.ExpandAll,
Project.Directory,
child.KeepDuplicatesLocation,
LoggingContext.LoggingService,
LoggingContext.BuildEventContext
);
if (LogTaskInputs && !LoggingContext.LoggingService.OnlyLogCriticalEvents && itemsToAdd != null && itemsToAdd.Count > 0)
{
var itemGroupText = ItemGroupLoggingHelper.GetParameterText(ResourceUtilities.GetResourceString("ItemGroupIncludeLogMessagePrefix"), child.ItemType, itemsToAdd.ToArray());
LoggingContext.LogCommentFromText(MessageImportance.Low, itemGroupText);
}
// Now add the items we created to the lookup.
bucket.Lookup.AddNewItemsOfItemType(child.ItemType, itemsToAdd, !keepDuplicates); // Add in one operation for potential copy-on-write
}
/// <summary>
/// Cloning constructor
/// </summary>
private ProjectItemGroupTaskItemInstance(ProjectItemGroupTaskItemInstance that)
{
// All fields are immutable
_itemType = that._itemType;
_include = that._include;
_exclude = that._exclude;
_remove = that._remove;
_keepMetadata = that._keepMetadata;
_removeMetadata = that._removeMetadata;
_keepDuplicates = that._keepDuplicates;
_condition = that._condition;
_metadata = that._metadata;
}
