public override IQueryable ModifyQuery(ExpressionOptions options)
{
MethodInfo method;
var action = default(Delegate);
if (!_delegates.TryGetValue(options.Query.GetType(), out action) &&
options.Query.GetType().TryGetMethod("Include", null, out method))
{
var instance = Expression.Parameter(options.Query.GetType(), "i");
var path = Expression.Parameter(typeof(string), "p");
action = Expression.Lambda(Expression.Call(instance, method, path), instance, path).Compile();
_delegates[options.Query.GetType()] = action;
}
var queryresult = options.Query;
if (action != null)
{
foreach (var child in Children)
{
queryresult = (IQueryable)action.DynamicInvoke(queryresult, child.Text);
}
}
return(queryresult);
}
protected static bool IsOwnerMemberAccessible(MemberInfo member, ExpressionOptions options)
{
bool accessAllowed = false;
// Get the allowed access defined in the options
if (IsMemberPublic(member) == true)
{
accessAllowed = (options.OwnerMemberAccess & BindingFlags.Public) != 0;
}
else
{
accessAllowed = (options.OwnerMemberAccess & BindingFlags.NonPublic) != 0;
}
// See if the member has our access attribute defined
ExpressionOwnerMemberAccessAttribute attr = (ExpressionOwnerMemberAccessAttribute)Attribute.GetCustomAttribute(member, typeof(ExpressionOwnerMemberAccessAttribute));
if (attr == null)
{
// No, so return the access level
return(accessAllowed);
}
else
{
// Member has our access attribute defined; use its access value instead
return(attr.AllowAccess);
}
}
public object ConvertTo(Project project, Type type, ExpressionOptions options)
{
if (type.IsArray)
{
if (type == typeof(ITaskItem[]))
{
return(ConvertToITaskItemArray(project, options));
}
else
{
return(ConvertToArray(project, type, options));
}
}
else
{
if (type == typeof(ITaskItem))
{
return(ConvertToITaskItem(project, options));
}
else
{
return(ConvertToNonArray(project, type, options));
}
}
}
public override Expression BuildLinqExpression(ExpressionOptions options)
{
var property = options.Item;
var alias = this.Children[1].Text;
var filter = this.Children[2];
var underlyingType = property.Type;
if (typeof(IEnumerable).IsAssignableFrom(property.Type) && property.Type.GetGenericArguments().Any())
{
underlyingType = property.Type.GetGenericArguments()[0];
}
else
{
//We will sometimes need to cater for special cases here, such as Enumerating BsonValues
//underlyingType = Configuration.EnumerableTypeMap(underlyingType);
var enumerable = typeof(IEnumerable <>).MakeGenericType(underlyingType);
property = Expression.Convert(property, enumerable);
}
var parameter = Expression.Parameter(underlyingType, alias);
var lambda = Expression.Lambda(
filter.BuildLinqExpression(options.Clone().WithItem(parameter)), new[] { parameter });
return(Expression.Call(typeof(Enumerable), "All", new[] { underlyingType }, property, lambda));
}
object ConvertToObject(string raw, Type type, ExpressionOptions options)
{
if (type == typeof(bool))
{
bool value;
if (boolValues.TryGetValue(raw, out value))
{
return(value);
}
else
{
return(false);
}
}
if (type == typeof(string))
{
return(raw);
}
if (type.IsPrimitive)
{
return(Convert.ChangeType(raw, type));
}
if (type == typeof(DateTime))
{
return(DateTime.Parse(raw));
}
throw new Exception(String.Format("Unsupported type: {0}", type));
}
string ConvertToString(Project project, ExpressionOptions options)
{
StringBuilder sb = new StringBuilder();
foreach (object o in objects)
{
string s = o as string;
if (s != null)
{
sb.Append(s);
continue;
}
IReference br = o as IReference;
if (br != null)
{
sb.Append(br.ConvertToString(project, options));
}
else
{
throw new Exception("BUG: Invalid type in objects collection.");
}
}
return(sb.ToString());
}
// when evaluating items: expand: true
// all other times, expand: true
// so, always true, ignore @options
public string ConvertToString(Project project, ExpressionOptions options)
{
if (project == null)
{
throw new ArgumentNullException("project");
}
if (is_registry)
{
string val = (String)Registry.GetValue(reg_key, reg_value, String.Empty);
return(val);
}
else
{
BuildProperty bp = project.EvaluatedProperties[name];
if (bp == null)
{
return(String.Empty);
}
if (options == ExpressionOptions.DoNotExpandItemRefs)
{
return(bp.FinalValue);
}
return(bp.ConvertToString(project, ExpressionOptions.ExpandItemRefs));
}
}
public static LiteralElement CreateFromInteger(string image, IServiceProvider services)
{
LiteralElement element = default(LiteralElement);
element = CreateSingle(image, services);
if ((element != null))
{
return(element);
}
element = CreateDecimal(image, services);
if ((element != null))
{
return(element);
}
ExpressionOptions options = (ExpressionOptions)services.GetService(typeof(ExpressionOptions));
// Convert to a double if option is set
if (options.IntegersAsDoubles == true)
{
return(DoubleLiteralElement.Parse(image, services));
}
return(null);
}
public static string Parse(string line, ExpressionOptions options)
{
if (line.IndexOf("#(") > -1)
{
MatchCollection matches = _exprTriggerRegEx.Matches(line);
int offset = 0;
foreach (Match match in matches)
{
string result;
try
{
result = ParseExpression(match).Evaluate(options).ToString();
}
catch (TargetInvocationException ex)
{
result = ex.InnerException.ToString().Replace('\n', ' ').Replace('\r', ' ');
}
catch (Exception ex)
{
result = ex.ToString().Replace('\n', ' ').Replace('\r', ' ');
}
//line = line.Replace(match.Value, result);
line = line.Remove(match.Index + offset, match.Length).Insert(match.Index + offset, result);
offset += result.Length - match.Length;
}
}
return(line);
}
internal ITaskItem[] ConvertToITaskItemArray(Project project, ExpressionOptions options)
{
if (converting)
{
// found ref to @this while trying to ConvertToITaskItemArray
// for @this!
ITaskItem [] items = new ITaskItem [1];
items [0] = new TaskItem(FinalValue);
return(items);
}
converting = true;
try
{
Expression exp = new Expression();
// in non-evaluation phase, properties are always expanded
exp.Parse(FinalValue, ParseOptions.Split | (options == ExpressionOptions.ExpandItemRefs ?
ParseOptions.AllowItems : ParseOptions.None));
return((ITaskItem[])exp.ConvertTo(project, typeof(ITaskItem[]), options));
}
finally
{
converting = false;
}
}
public override Expression BuildLinqExpression(ExpressionOptions options)
{
var parameter = options.Item ?? Expression.Parameter(options.InputType, "o");
Expression childExpression = options.Expression;
var temp = parameter;
foreach (var child in this.Children)
{
childExpression = child.BuildLinqExpression(options.Clone().WithExpression(childExpression).WithItem(temp));
temp = childExpression;
}
Debug.Assert(childExpression != null, "childExpression should never be null");
var methodName = "OrderBy";
//(query.Provider.GetType().Name.Contains("DbQueryProvider") || query.Provider.GetType().Name.Contains("MongoQueryProvider")) &&
if (!this.IsFirstChild)
{
methodName = "ThenBy";
}
var lambda = Expression.Lambda(childExpression, new[] { parameter as ParameterExpression });
return(Expression.Call(typeof(Queryable), methodName, new[] { options.Query.ElementType, childExpression.Type }, options.Query.Expression, lambda));
}
// In eval phase, any ref'ed item would've already been expanded
// or it doesnt exist, so dont expand again
// In non-eval, items have _already_ been expanded, so dont expand again
// So, ignore @options
internal string ConvertToString(Expression transform,
Expression separator, ExpressionOptions options)
{
string separatorString;
// Item refs are not expanded for separator or transform
if (separator == null)
{
separatorString = ";";
}
else
{
separatorString = (string)separator.ConvertTo(parentProject, typeof(string),
ExpressionOptions.DoNotExpandItemRefs);
}
string[] items = new string [buildItems.Count];
int i = 0;
foreach (BuildItem bi in buildItems)
{
items [i++] = bi.ConvertToString(transform, ExpressionOptions.DoNotExpandItemRefs);
}
return(String.Join(separatorString, items));
}
public ITaskItem [] ConvertToITaskItemArray(Project project, ExpressionOptions options)
{
List <ITaskItem> items = new List <ITaskItem> ();
if (IsQualified)
{
// Bucket would have item lists with same metadata values,
// so just get the value from the first item
BuildItemGroup group;
if (project.TryGetEvaluatedItemByNameBatched(itemName, out group))
{
BuildItemGroupToITaskItems(group, items, true);
}
}
else
{
// Get unique metadata values from _all_ item lists
foreach (BuildItemGroup group in project.GetAllItemGroups())
{
BuildItemGroupToITaskItems(group, items, false);
}
}
return(items.Count == 0 ? null : items.ToArray());
}
public override Expression BuildLinqExpression(ExpressionOptions options)
{
var parameter = options.Item ?? Expression.Parameter(options.InputType, "o");
Expression childExpression = options.Expression;
var temp = parameter;
foreach (var child in this.Children.Cast <ODataNode>())
{
childExpression = child.BuildLinqExpression(options.Clone().WithExpression(childExpression).WithItem(temp));
temp = childExpression;
}
Debug.Assert(childExpression != null, "childExpression should never be null");
var methodName = "OrderByDescending";
if (!this.IsFirstChild)
{
methodName = "ThenByDescending";
}
var lambda = Expression.Lambda(childExpression, new[] { parameter as ParameterExpression });
return(Expression.Call(typeof(Queryable), methodName, new[] { options.Query.ElementType, childExpression.Type }, options.Query.Expression, lambda));
}
public override Expression BuildLinqExpression(ExpressionOptions options)
{
if (base.Type == TokenType.Identifier)
{
var param = options.Item as ParameterExpression;
if (param != null && param.Name == this.Text)
{
return(options.Item);
}
if (options.DynamicAccessor != null)
{
return(Expression.Invoke(options.DynamicAccessor, new[] { options.Item, Expression.Constant(this.Text) }));
}
return(Expression.Property(options.Item, this.Text));
}
else
{
var parent = options.Item;
foreach (var child in this.Children)
{
parent = child.BuildLinqExpression(options.Clone().WithItem(parent));
}
return(parent);
}
}
internal ITaskItem ConvertToITaskItem(Expression transform, ExpressionOptions options)
{
TaskItem taskItem;
taskItem = new TaskItem(GetItemSpecFromTransform(transform, options), evaluatedMetadata);
return(taskItem);
}
public override object Evaluate(ExpressionOptions options)
{
// Evaluate if required or if the expression is invalid
if ((options & ExpressionOptions.EVALUATE_ALWAYS) > 0 || !IsValid)
{
int paramCount = _parameters.Length;
object[] paramValues = new object[paramCount];
for (int i = 0; i < paramCount; i++)
{
if (_parameters[i] != null)
{
paramValues[i] = _parameters[i].Evaluate(options);
}
else
{
return(0);
}
}
_value = _func.Invoke(paramValues);
if (_value == null)
{
return(0);
}
IsValid = true;
}
return(_value);
}
public ITaskItem[] ConvertToITaskItemArray(Project project, ExpressionOptions options)
{
var items = new ITaskItem[1];
items[0] = new TaskItem(ConvertToString(project, options));
return(items);
}
public ITaskItem [] ConvertToITaskItemArray (Project project, ExpressionOptions options)
{
BuildItemGroup group;
if (project.TryGetEvaluatedItemByNameBatched (itemName, out group))
return group.ConvertToITaskItemArray (transform, separator, options);
else
return null;
}
// when evaluating property, allowItems=false, so,
// ItemRef will _not_ get created, so this wont get hit
// when evaluating items, expand: true
// other cases, expand: true
public string ConvertToString (Project project, ExpressionOptions options)
{
BuildItemGroup group;
if (project.TryGetEvaluatedItemByNameBatched (itemName, out group))
return group.ConvertToString (transform, separator, options);
else
return String.Empty;
}
internal ExpressionOptions ApplyTo(ExpressionOptions options)
{
return(options with
{
EnableFunctions = EnableFunctions ?? options.EnableFunctions,
EnableVariables = EnableVariables ?? options.EnableVariables
});
}
public void Resolve(IServiceProvider services)
{
MyServices = services;
MyOptions = (ExpressionOptions)services.GetService(typeof(ExpressionOptions));
MyContext = (ExpressionContext)services.GetService(typeof(ExpressionContext));
this.ResolveInternal();
this.Validate();
}
public ISqlExpressionBuilder Select(IEnumerable <string> columns, ExpressionOptions option)
{
if (option == ExpressionOptions.Overwrite)
{
_stmtSelect.Expressions.Clear();
}
Select(columns);
return(this);
}
public override Expression BuildLinqExpression(ExpressionOptions options)
{
return(Expression.Call(
typeof(Queryable),
"Take",
new[] { options.Query.ElementType },
options.Query.Expression,
this.ChildNode.BuildLinqExpression(options)));
}
public override object Evaluate(ExpressionOptions options)
{
// Evaluate if required or if the expression is invalid
if ((options & ExpressionOptions.EVALUATE_ALWAYS) > 0 || !IsValid)
{
_value = GUIPropertyManager.GetProperty(_propertyName);
IsValid = true;
}
return(_value);
}
object Invoke (Project project, ExpressionOptions options)
{
var flags = BindingFlags.IgnoreCase | BindingFlags.Public;
object target;
if (Instance == null) {
target = null;
flags |= BindingFlags.Static;
} else {
var mir = Instance as MemberInvocationReference;
if (mir != null) {
target = mir.Invoke (project, options);
if (target == null) {
throw new NotImplementedException ("Instance method on null value");
}
type = target.GetType ();
} else {
target = Instance.ConvertToString (project, options);
type = typeof (string);
}
flags |= BindingFlags.Instance;
}
object[] args;
if (Arguments == null) {
flags |= BindingFlags.GetProperty;
args = null;
} else {
flags |= BindingFlags.InvokeMethod;
ExpandArguments (project, options);
args = PrepareMethodArguments (flags);
if (args == null)
throw new InvalidProjectFileException (string.Format ("Method '{0}({1})' arguments cannot be evaluated'", name, string.Join (", ", Arguments.ToArray ())));
}
object value;
try {
value = type.InvokeMember (name, flags, null, target, args, CultureInfo.InvariantCulture);
} catch (MissingFieldException) {
//
// It can be field/constant instead of a property
//
if (args == null && Instance == null) {
flags &= ~BindingFlags.GetProperty;
flags |= BindingFlags.GetField;
value = type.InvokeMember (name, flags, null, null, null, CultureInfo.InvariantCulture);
} else {
throw;
}
}
return value;
}
public ISqlExpressionBuilder Order(string column, OrderOptions options, ExpressionOptions expOptions)
{
ColumnExpression col = _CreateColumnByName(column);
if (expOptions == ExpressionOptions.Overwrite)
{
_stmtOrder.Columns.Clear();
}
_stmtOrder.Columns.Add(col, options);
return(this);
}
public static object ParseExpression(string expressionText, ExpressionOptions options)
{
//Match match = _functionRegEx.Match(expressionText);
Match match = _expressionRegEx.Match(expressionText);
if (match != null)
{
return(ParseExpression(match).Evaluate(options));
}
return(null);
}
static void TestParse(string expression, ExpressionNode expected, ExpressionOptions options = ExpressionOptions.None)
{
var expr = ExpressionParser.Parse(expression, options, 0);
AssertEqual(expected, expr, 0);
const int baseOffset = 123;
expr = ExpressionParser.Parse(expression, options, baseOffset);
AssertEqual(expected, expr, baseOffset);
}
public QbservableServiceOptions(QbservableServiceOptions clone)
{
Contract.Requires(clone != null);
Contract.Ensures(!IsFrozen);
sendServerErrorsToClients = clone.sendServerErrorsToClients;
enableDuplex = clone.enableDuplex;
allowExpressionsUnrestricted = clone.allowExpressionsUnrestricted;
expressionOptions = clone.expressionOptions;
evaluationContext = clone.evaluationContext;
}
public override Expression BuildLinqExpression(ExpressionOptions options)
{
var child = GetValueNode();
if (child != null)
{
return(child.BuildLinqExpression(options));
}
return(options.Item);
}
string GetItemSpecFromTransform(Expression transform, ExpressionOptions options)
{
StringBuilder sb;
if (transform == null)
{
if (options == ExpressionOptions.ExpandItemRefs)
{
// With usual code paths, this will never execute,
// but letting this be here, incase BI.ConvertTo*
// is called directly
Expression expr = new Expression();
expr.Parse(finalItemSpec, ParseOptions.AllowItemsNoMetadataAndSplit);
return((string)expr.ConvertTo(parent_item_group.ParentProject,
typeof(string), ExpressionOptions.ExpandItemRefs));
}
else
{
return(finalItemSpec);
}
}
else
{
// Transform, _DONT_ expand itemrefs
sb = new StringBuilder();
foreach (object o in transform.Collection)
{
if (o is string)
{
sb.Append((string)o);
}
else if (o is PropertyReference)
{
sb.Append(((PropertyReference)o).ConvertToString(
parent_item_group.ParentProject,
ExpressionOptions.DoNotExpandItemRefs));
}
else if (o is ItemReference)
{
sb.Append(((ItemReference)o).ConvertToString(
parent_item_group.ParentProject,
ExpressionOptions.DoNotExpandItemRefs));
}
else if (o is MetadataReference)
{
sb.Append(GetMetadata(((MetadataReference)o).MetadataName));
}
}
return(sb.ToString());
}
}
private void SetupOptions(ExpressionOptions options, bool isGeneric)
{
// Make sure we clone the options
_myOptions = options;
_myOptions.IsGeneric = isGeneric;
if (isGeneric)
{
_myOptions.ResultType = typeof(T);
}
_myOptions.SetOwnerType(_myOwner.GetType());
}
public object ConvertTo (Project project, Type type, ExpressionOptions options)
{
if (type.IsArray) {
if (type == typeof (ITaskItem[]))
return ConvertToITaskItemArray (project, options);
else
return ConvertToArray (project, type, options);
} else {
if (type == typeof (ITaskItem))
return ConvertToITaskItem (project, options);
else
return ConvertToNonArray (project, type, options);
}
}
// when evaluating items: expand: true
// all other times, expand: true
// so, always true, ignore @options
public string ConvertToString (Project project, ExpressionOptions options)
{
if (project == null)
throw new ArgumentNullException ("project");
BuildProperty bp = project.EvaluatedProperties [name];
if (bp == null)
return String.Empty;
if (options == ExpressionOptions.DoNotExpandItemRefs)
return bp.FinalValue;
return bp.ConvertToString (project, ExpressionOptions.ExpandItemRefs);
}
// when evaluating items: expand: true
// all other times, expand: true
// so, always true, ignore @options
public ITaskItem[] ConvertToITaskItemArray (Project project, ExpressionOptions options)
{
BuildProperty bp = project.EvaluatedProperties [name];
if (bp == null)
return null;
if (options == ExpressionOptions.DoNotExpandItemRefs) {
List<ITaskItem> list = new List<ITaskItem> ();
foreach (string s in bp.FinalValue.Split (new char[] {';'}, StringSplitOptions.RemoveEmptyEntries))
list.Add (new TaskItem (s));
return list.ToArray ();
}
return bp.ConvertToITaskItemArray (project, ExpressionOptions.ExpandItemRefs);
}
public ITaskItem [] ConvertToITaskItemArray (Project project, ExpressionOptions options)
{
List<ITaskItem> items = new List<ITaskItem> ();
if (IsQualified) {
// Bucket would have item lists with same metadata values,
// so just get the value from the first item
BuildItemGroup group;
if (project.TryGetEvaluatedItemByNameBatched (itemName, out group))
BuildItemGroupToITaskItems (group, items, true);
} else {
// Get unique metadata values from _all_ item lists
foreach (BuildItemGroup group in project.GetAllItemGroups ())
BuildItemGroupToITaskItems (group, items, false);
}
return items.Count == 0 ? null : items.ToArray ();
}
string ConvertToString (Project project, ExpressionOptions options)
{
StringBuilder sb = new StringBuilder ();
foreach (object o in objects) {
string s = o as string;
if (s != null) {
sb.Append (s);
continue;
}
IReference br = o as IReference;
if (br != null)
sb.Append (br.ConvertToString (project, options));
else
throw new Exception ("BUG: Invalid type in objects collection.");
}
return sb.ToString ();
}
/// <summary>
/// Initializes a new instance of the LatexExpression class and copies the specified expression data to it.
/// </summary>
/// <param name="expression">The expression to clone.</param>
public LatexExpression(LatexExpression expression)
{
Parent = expression.Parent;
Name = expression.Name;
ExprType = expression.ExprType;
MathMode = expression.MathMode;
Customization = expression.Customization;
if (expression.Options != null)
{
Options = new ExpressionOptions();
}
if (expression.Expressions != null)
{
Expressions = new List<List<LatexExpression>>(expression.Expressions);
}
}
// Concat rules (deduced)
// - ItemRef can concat only with a string ';' or PropertyRef ending in ';'
// - MetadataRef can concat with anything other than ItemRef
// - PropertyRef cannot be right after a ItemRef
// PropertyRef concats if it doesn't end in ';'
// - string cannot concat with ItemRef unless it is ';'.
// string concats if it ends in ';'
ITaskItem[] ConvertToITaskItemArray (Project project, ExpressionOptions options)
{
List <ITaskItem> finalItems = new List <ITaskItem> ();
object prev = null;
bool prev_can_concat = false;
foreach (object o in objects) {
bool can_concat = prev_can_concat;
string str = o as string;
if (str != null) {
string trimmed_str = str.Trim ();
if (!IsSemicolon (str) && trimmed_str.Length > 0 && prev != null && prev is ItemReference)
// non-empty, non-semicolon string after item ref
ThrowCantConcatError (prev, str);
if (trimmed_str.Length == 0 && prev is string && IsSemicolon ((string) prev)) {
// empty string after a ';', ignore it
continue;
}
// empty string _after_ a itemref, not an error
prev_can_concat = !(str.Length > 0 && str [str.Length - 1] == ';') && trimmed_str.Length > 0;
AddItemsToArray (finalItems,
ConvertToITaskItemArrayFromString (str),
can_concat);
prev = o;
continue;
}
IReference br = o as IReference;
if (br == null)
throw new Exception ("BUG: Invalid type in objects collection.");
if (o is ItemReference) {
if (prev != null && !(prev is string && (string)prev == ";"))
ThrowCantConcatError (prev, br);
prev_can_concat = true;
} else if (o is MetadataReference) {
if (prev != null && prev is ItemReference)
ThrowCantConcatError (prev, br);
prev_can_concat = true;
} else if (o is PropertyReference) {
if (prev != null && prev is ItemReference)
ThrowCantConcatError (prev, br);
string value = ((PropertyReference) o).GetValue (project);
prev_can_concat = !(value.Length > 0 && value [value.Length - 1] == ';');
}
AddItemsToArray (finalItems, br.ConvertToITaskItemArray (project, options), can_concat);
prev = o;
}
// Trim and Remove empty items
List<ITaskItem> toRemove = new List<ITaskItem> ();
for (int i = 0; i < finalItems.Count; i ++) {
string s = ((ITaskItem2)finalItems [i]).EvaluatedIncludeEscaped.Trim ();
if (s.Length == 0)
toRemove.Add (finalItems [i]);
else
((ITaskItem2)finalItems [i]).EvaluatedIncludeEscaped = s;
}
foreach (ITaskItem ti in toRemove)
finalItems.Remove (ti);
return finalItems.ToArray ();
}
ITaskItem ConvertToITaskItem (Project project, ExpressionOptions options)
{
if (objects == null)
throw new Exception ("Cannot cast empty expression to ITaskItem.");
ITaskItem[] items = ConvertToITaskItemArray (project, options);
if (items.Length > 1)
//FIXME: msbuild gives better errors
throw new Exception (String.Format ("Exactly one item required, but got: {0}", items.Length));
if (items.Length == 0) return null;
return items [0];
}
internal ITaskItem ConvertToITaskItem (Expression transform, ExpressionOptions options)
{
TaskItem taskItem;
taskItem = new TaskItem (GetItemSpecFromTransform (transform, options), evaluatedMetadata);
return taskItem;
}
public string ConvertToString (Project project, ExpressionOptions options)
{
return ConvertResult (Invoke (project, options));
}
public override object Evaluate(ExpressionOptions options)
{
// Evaluate if required or if the expression is invalid
if ((options & ExpressionOptions.EVALUATE_ALWAYS) > 0 || !IsValid)
{
int paramCount = _parameters.Length;
object[] paramValues = new object[paramCount];
for (int i = 0; i < paramCount; i++)
{
paramValues[i] = _parameters[i].Evaluate(options);
}
_value = _func.Invoke(paramValues);
IsValid = true;
}
return _value;
}
// In eval phase, any ref'ed item would've already been expanded
// or it doesnt exist, so dont expand again
// In non-eval, items have _already_ been expanded, so dont expand again
// So, ignore @options
internal ITaskItem[] ConvertToITaskItemArray (Expression transform, Expression separator, ExpressionOptions options)
{
if (separator != null)
// separator present, so return as a single "join'ed" string
return new ITaskItem [] {
new TaskItem (ConvertToString (transform, separator, options))
};
ITaskItem[] array = new ITaskItem [buildItems.Count];
int i = 0;
foreach (BuildItem item in buildItems)
array [i++] = item.ConvertToITaskItem (transform, ExpressionOptions.DoNotExpandItemRefs);
return array;
}
object ConvertToNonArray (Project project, Type type, ExpressionOptions options)
{
return ConvertToObject (ConvertToString (project, options), type, options);
}
/// <summary>
/// Preforms the post-parse procedure of the options.
/// </summary>
/// <param name="options">The raw options string to parse.</param>
private void ParseOptions(string options)
{
if (options == null) { return; }
var splittedOptions = options.Split(',');
Options = new ExpressionOptions();
Options.AsKeyValue = new Dictionary<string,string>(splittedOptions.Length);
foreach (var option in splittedOptions)
{
var keyValue = option.Split('=');
Options.AsKeyValue.Add(keyValue[0].Trim(), keyValue.Length > 1? keyValue[1].Trim() : null);
}
Options.AsExpressions = new List<LatexExpression>();
string beginning = options;
string end;
LatexExpression expr;
int index = 0;
bool verbatimMode = false;
bool whitespaceBefore = false;
while ((expr = ReadFromTextReader(this, 0, ref index, ref verbatimMode,
MathMode | ExprType == ExpressionType.InlineMath | ExprType == ExpressionType.BlockMath,
Customization, beginning, null, out end, ref whitespaceBefore)) != null)
{
beginning = end;
Options.AsExpressions.Add(expr);
}
}
public ITaskItem[] ConvertToITaskItemArray (Project project, ExpressionOptions options)
{
var items = new ITaskItem[1];
items[0] = new TaskItem (ConvertToString (project, options));
return items;
}
public static object ParseExpression(string expressionText, ExpressionOptions options)
{
//Match match = _functionRegEx.Match(expressionText);
Match match = _expressionRegEx.Match(expressionText);
if (match != null)
{
return ParseExpression(match).Evaluate(options);
}
return null;
}
public string ConvertToString (Project project, ExpressionOptions options)
{
return project.GetMetadataBatched (itemName, metadataName);
}
// In eval phase, any ref'ed item would've already been expanded
// or it doesnt exist, so dont expand again
// In non-eval, items have _already_ been expanded, so dont expand again
// So, ignore @options
internal string ConvertToString (Expression transform,
Expression separator, ExpressionOptions options)
{
string separatorString;
// Item refs are not expanded for separator or transform
if (separator == null)
separatorString = ";";
else
separatorString = (string) separator.ConvertTo (parentProject, typeof (string),
ExpressionOptions.DoNotExpandItemRefs);
string[] items = new string [buildItems.Count];
int i = 0;
foreach (BuildItem bi in buildItems)
items [i++] = bi.ConvertToString (transform, ExpressionOptions.DoNotExpandItemRefs);
return String.Join (separatorString, items);
}
void ExpandArguments (Project project, ExpressionOptions options)
{
for (int i = 0; i < Arguments.Count; ++i) {
string arg = Arguments [i].Trim ();
if (string.Equals (arg, "null", StringComparison.OrdinalIgnoreCase)) {
arg = null;
} else {
arg = Expression.ParseAs<string> (arg, ParseOptions.None,
project, options);
arg = arg.Trim (ArgumentTrimChars);
}
Arguments [i] = arg;
}
}
public static string Parse(string line, ExpressionOptions options)
{
if (line.IndexOf("#(") > -1)
{
MatchCollection matches = _exprTriggerRegEx.Matches(line);
int offset = 0;
foreach (Match match in matches)
{
string result;
try
{
result = ParseExpression(match).Evaluate(options).ToString();
}
catch (TargetInvocationException ex)
{
result = ex.InnerException.ToString().Replace('\n', ' ').Replace('\r', ' ');
}
catch (Exception ex)
{
result = ex.ToString().Replace('\n', ' ').Replace('\r', ' ');
}
//line = line.Replace(match.Value, result);
line = line.Remove(match.Index + offset, match.Length).Insert(match.Index + offset, result);
offset += result.Length - match.Length;
}
}
return line;
}
public ITaskItem[] ConvertToITaskItemArray (Project project, ExpressionOptions options)
{
throw new NotImplementedException ();
}
// during item's eval phase, any item refs in this item, have either
// already been expanded or are non-existant, so expand can be _false_
//
// during prop's eval phase, this isn't reached, as it parses expressions
// with allowItems=false, so no ItemReferences are created at all
//
// at other times, item refs have already been expanded, so expand: false
internal string ConvertToString (Expression transform, ExpressionOptions options)
{
return GetItemSpecFromTransform (transform, options);
}
// during property's eval phase, this is never reached, as PropertyReference
// handles the eval case
//
// during item's eval phase, we have expand: true, that's what we
// do here..
//
// during non-eval, expand: true
// So, its always true here
internal string ConvertToString (Project project, ExpressionOptions options)
{
if (converting) {
// found ref to @this while trying to ConvertToString
// for @this!
return FinalValue;
}
converting = true;
try {
Expression exp = new Expression ();
// in non-evaluation phase, properties are always expanded
exp.Parse (FinalValue, options == ExpressionOptions.ExpandItemRefs ?
ParseOptions.AllowItems : ParseOptions.None);
return (string) exp.ConvertTo (project, typeof (string), options);
} finally {
converting = false;
}
}
string GetItemSpecFromTransform (Expression transform, ExpressionOptions options)
{
StringBuilder sb;
if (transform == null) {
if (options == ExpressionOptions.ExpandItemRefs) {
// With usual code paths, this will never execute,
// but letting this be here, incase BI.ConvertTo*
// is called directly
Expression expr = new Expression ();
expr.Parse (finalItemSpec, ParseOptions.AllowItemsNoMetadataAndSplit);
return (string) expr.ConvertTo (parent_item_group.ParentProject,
typeof (string), ExpressionOptions.ExpandItemRefs);
} else {
return finalItemSpec;
}
} else {
// Transform, _DONT_ expand itemrefs
sb = new StringBuilder ();
foreach (object o in transform.Collection) {
if (o is string) {
sb.Append ((string)o);
} else if (o is PropertyReference) {
sb.Append (((PropertyReference)o).ConvertToString (
parent_item_group.ParentProject,
ExpressionOptions.DoNotExpandItemRefs));
} else if (o is ItemReference) {
sb.Append (((ItemReference)o).ConvertToString (
parent_item_group.ParentProject,
ExpressionOptions.DoNotExpandItemRefs));
} else if (o is MetadataReference) {
sb.Append (GetMetadata (((MetadataReference)o).MetadataName));
}
}
return sb.ToString ();
}
}
object ConvertToArray (Project project, Type type, ExpressionOptions options)
{
ITaskItem[] items = ConvertToITaskItemArray (project, options);
Type element_type = type.GetElementType ();
Array arr = Array.CreateInstance (element_type, items.Length);
for (int i = 0; i < arr.Length; i ++)
arr.SetValue (ConvertToObject (items [i].ItemSpec, element_type, options), i);
return arr;
}
internal ITaskItem[] ConvertToITaskItemArray (Project project, ExpressionOptions options)
{
if (converting) {
// found ref to @this while trying to ConvertToITaskItemArray
// for @this!
ITaskItem []items = new ITaskItem [1];
items [0] = new TaskItem (FinalValue);
return items;
}
converting = true;
try {
Expression exp = new Expression ();
// in non-evaluation phase, properties are always expanded
exp.Parse (FinalValue, ParseOptions.Split | (options == ExpressionOptions.ExpandItemRefs ?
ParseOptions.AllowItems : ParseOptions.None));
return (ITaskItem[]) exp.ConvertTo (project, typeof (ITaskItem[]), options);
} finally {
converting = false;
}
}
object ConvertToObject (string raw, Type type, ExpressionOptions options)
{
if (type == typeof (bool)) {
bool value;
if (boolValues.TryGetValue (raw, out value))
return value;
else
return false;
}
if (type == typeof (string))
return raw;
if (type.IsPrimitive)
return Convert.ChangeType (raw, type);
if (type == typeof (DateTime))
return DateTime.Parse (raw);
throw new Exception (String.Format ("Unsupported type: {0}", type));
}
