/// <summary>
/// Adds keys in the input hashtable to the symbol reference
/// </summary>
public override AstVisitAction VisitHashtable(HashtableAst hashtableAst)
{
if (hashtableAst.KeyValuePairs == null)
{
return AstVisitAction.Continue;
}
foreach (var kvp in hashtableAst.KeyValuePairs)
{
if (kvp.Item1 is StringConstantExpressionAst keyStrConstExprAst)
{
IScriptExtent nameExtent = new ScriptExtent()
{
Text = keyStrConstExprAst.Value,
StartLineNumber = kvp.Item1.Extent.StartLineNumber,
EndLineNumber = kvp.Item2.Extent.EndLineNumber,
StartColumnNumber = kvp.Item1.Extent.StartColumnNumber,
EndColumnNumber = kvp.Item2.Extent.EndColumnNumber,
File = hashtableAst.Extent.File
};
SymbolType symbolType = SymbolType.HashtableKey;
this.SymbolReferences.Add(
new SymbolReference(
symbolType,
nameExtent));
}
}
return AstVisitAction.Continue;
}
private static List <Tuple <IScriptExtent, IScriptExtent> > GetExtents(
TokenOperations tokenOps,
HashtableAst hashtableAst)
{
var nodeTuples = new List <Tuple <IScriptExtent, IScriptExtent> >();
foreach (var kvp in hashtableAst.KeyValuePairs)
{
var keyStartOffset = kvp.Item1.Extent.StartOffset;
var keyTokenNode = tokenOps.GetTokenNodes(
token => token.Extent.StartOffset == keyStartOffset).FirstOrDefault();
if (keyTokenNode == null ||
keyTokenNode.Next == null ||
keyTokenNode.Next.Value.Kind != TokenKind.Equals)
{
return(null);
}
nodeTuples.Add(new Tuple <IScriptExtent, IScriptExtent>(
kvp.Item1.Extent,
keyTokenNode.Next.Value.Extent));
}
return(nodeTuples);
}
/// <summary>
/// Gets the correction extent
/// </summary>
/// <param name="ast"></param>
/// <returns>A List of CorrectionExtent</returns>
private List <CorrectionExtent> GetCorrectionExtent(HashtableAst ast)
{
int startLineNumber;
int startColumnNumber;
// for empty hashtable insert after after "@{"
if (ast.KeyValuePairs.Count == 0)
{
// check if ast starts with "@{"
if (ast.Extent.Text.IndexOf("@{") != 0)
{
return(null);
}
startLineNumber = ast.Extent.StartLineNumber;
startColumnNumber = ast.Extent.StartColumnNumber + 2; // 2 for "@{",
}
else // for non-empty hashtable insert after the last element
{
int maxLine = 0;
int lastCol = 0;
foreach (var keyVal in ast.KeyValuePairs)
{
if (keyVal.Item2.Extent.EndLineNumber > maxLine)
{
maxLine = keyVal.Item2.Extent.EndLineNumber;
lastCol = keyVal.Item2.Extent.EndColumnNumber;
}
}
startLineNumber = maxLine;
startColumnNumber = lastCol;
}
var correctionExtents = new List <CorrectionExtent>();
string fieldName = "ModuleVersion";
string fieldValue = "1.0.0.0";
string description = string.Format(
CultureInfo.CurrentCulture,
Strings.MissingModuleManifestFieldCorrectionDescription,
fieldName,
fieldValue);
var correctionTextTemplate = @"
# Version number of this module.
{0} = '{1}'
";
var correctionText = string.Format(
correctionTextTemplate,
fieldName,
fieldValue);
var correctionExtent = new CorrectionExtent(
startLineNumber,
startLineNumber,
startColumnNumber,
startColumnNumber,
correctionText,
ast.Extent.File,
description);
correctionExtents.Add(correctionExtent);
return(correctionExtents);
}
/// <summary>
/// Checks if the *ToExport fields are explicitly set to arrays, eg. @(...), and the array entries do not contain any wildcard.
/// </summary>
/// <param name="key"></param>
/// <param name="hast"></param>
/// <param name="scriptText"></param>
/// <param name="extent"></param>
/// <returns>A boolean value indicating if the the ToExport fields are explicitly set to arrays or not.</returns>
private bool HasAcceptableExportField(string key, HashtableAst hast, string scriptText, out IScriptExtent extent)
{
extent = null;
foreach (var pair in hast.KeyValuePairs)
{
var keyStrConstAst = pair.Item1 as StringConstantExpressionAst;
if (keyStrConstAst != null && keyStrConstAst.Value.Equals(key, StringComparison.OrdinalIgnoreCase))
{
// Checks for wildcard character in the entry.
var astWithWildcard = pair.Item2.Find(HasWildcardInExpression, false);
if (astWithWildcard != null)
{
extent = astWithWildcard.Extent;
return(false);
}
else
{
// Checks for $null in the entry.
var astWithNull = pair.Item2.Find(HasNullInExpression, false);
if (astWithNull != null)
{
extent = astWithNull.Extent;
return(false);
}
else
{
return(true);
}
}
}
}
return(true);
}
private static List <Tuple <IScriptExtent, IScriptExtent> > GetExtents(
TokenOperations tokenOps,
HashtableAst hashtableAst)
{
var nodeTuples = new List <Tuple <IScriptExtent, IScriptExtent> >();
foreach (var kvp in hashtableAst.KeyValuePairs)
{
var keyStartOffset = kvp.Item1.Extent.StartOffset;
bool keyStartOffSetReached = false;
var keyTokenNode = tokenOps.GetTokenNodes(
token =>
{
if (keyStartOffSetReached)
{
return(token.Kind == TokenKind.Equals);
}
if (token.Extent.StartOffset == keyStartOffset)
{
keyStartOffSetReached = true;
}
return(false);
}).FirstOrDefault();
if (keyTokenNode == null || keyTokenNode.Value == null)
{
continue;
}
var assignmentToken = keyTokenNode.Value.Extent;
nodeTuples.Add(new Tuple <IScriptExtent, IScriptExtent>(
kvp.Item1.Extent, assignmentToken));
}
return(nodeTuples);
}
public static HashtableAst Update(
this HashtableAst ast,
IEnumerable <Tuple <ExpressionAst, StatementAst> > keyValuePairs = null)
{
return(new HashtableAst(
ast.Extent,
keyValuePairs?.CloneAll() ?? ast.KeyValuePairs?.CloneAll()));
}
public void HashTable0()
{
HashtableAst hashtableAst = ParseStatement("@{ }")
.PipelineElements[0]
.Expression;
Assert.AreEqual(0, hashtableAst.KeyValuePairs.Count);
}
public object VisitHashtable(HashtableAst hashtableAst)
{
if (hashtableAst.KeyValuePairs.Count > MaxHashtableKeyCount)
{
return(false);
}
return(hashtableAst.KeyValuePairs.All(pair => (bool)pair.Item1.Accept(this) && (bool)pair.Item2.Accept(this)));
}
public static Hashtable GetHashtable(HashtableAst ast)
{
if (ast != null)
{
return(ast.Visit(new PowerShellHashtableVisitor()) as Hashtable);
}
return(null);
}
public virtual object VisitHashtable(HashtableAst hashtableAst)
{
foreach (var keyValuePair in hashtableAst.KeyValuePairs)
{
VisitElement(keyValuePair.Item1);
VisitElement(keyValuePair.Item2);
}
return(hashtableAst);
}
public object VisitHashtable(HashtableAst hashtableAst)
{
var result = new Hashtable(StringComparer.InvariantCultureIgnoreCase);
foreach (var pair in hashtableAst.KeyValuePairs)
{
result.Add(pair.Item1.Visit(this), pair.Item2.Visit(this));
}
return(result);
}
public void HashTableUnquotedName()
{
HashtableAst hashtableAst = ParseStatement("@{ a = 'b' }")
.PipelineElements[0]
.Expression;
var nameAst = (StringConstantExpressionAst)hashtableAst.KeyValuePairs.Single().Item1;
Assert.AreEqual("a", nameAst.Value);
}
public void HashTableIntegerKey()
{
HashtableAst hashtableAst = ParseStatement("@{ 10 = 'b' }")
.PipelineElements[0]
.Expression;
var nameAst = (ConstantExpressionAst)hashtableAst.KeyValuePairs.Single().Item1;
Assert.AreEqual(10, nameAst.Value);
}
public void HashTable2()
{
HashtableAst hashtableAst = ParseInput("@{ a = b ; c = d }")
.EndBlock
.Statements[0]
.PipelineElements[0]
.Expression;
Assert.AreEqual(2, hashtableAst.KeyValuePairs.Count);
}
public void HashTableAcceptsLineBreaksAfterEquals(string input)
{
// hash-entry:
// key-expression = new-lines_opt statement
HashtableAst hashtableAst = ParseStatement(input)
.PipelineElements[0]
.Expression;
Assert.AreEqual(1, hashtableAst.KeyValuePairs.Count);
}
public void HashTableAcceptsLeadingAndTrailingLineBreaks(string input, int expectedCount)
{
// hash-literal-expression:
// @{ new-lines_opt hash-literal-body_opt new-lines_opt }
HashtableAst hashtableAst = ParseStatement(input)
.PipelineElements[0]
.Expression;
Assert.AreEqual(expectedCount, hashtableAst.KeyValuePairs.Count);
}
public object VisitHashtable(HashtableAst hashtableAst)
{
var newKeyValuePairs = new List <Tuple <ExpressionAst, StatementAst> >();
foreach (var keyValuePair in hashtableAst.KeyValuePairs)
{
var newKey = VisitElement(keyValuePair.Item1);
var newValue = VisitElement(keyValuePair.Item2);
newKeyValuePairs.Add(Tuple.Create(newKey, newValue));
}
return(new HashtableAst(hashtableAst.Extent, newKeyValuePairs));
}
public override AstVisitAction VisitHashtable(HashtableAst hashtableAst)
{
Hashtable hashTable = new Hashtable();
foreach (var pair in hashtableAst.KeyValuePairs)
{
hashTable.Add(EvaluateAst(pair.Item1), EvaluateAst(pair.Item2));
}
this._pipelineCommandRuntime.WriteObject(hashTable);
return(AstVisitAction.SkipChildren);
}
public object VisitHashtable(HashtableAst hashtableAst)
{
Hashtable hashtable = new Hashtable(StringComparer.CurrentCultureIgnoreCase);
foreach (var pair in hashtableAst.KeyValuePairs)
{
var key = pair.Item1.Accept(this);
var value = pair.Item2.Accept(this);
hashtable.Add(key, value);
}
return(hashtable);
}
public void HashTable2(string input, string message)
{
// hash-entry:
// key-expression = new-lines_opt statement
// statement-terminator:
// ;
// new-line-character
HashtableAst hashtableAst = ParseStatement(input)
.PipelineElements[0]
.Expression;
Assert.AreEqual(2, hashtableAst.KeyValuePairs.Count, message);
}
public void HashTable1()
{
HashtableAst hashtableAst = ParseStatement("@{ 'a' = 'b' }")
.PipelineElements[0]
.Expression;
Assert.AreEqual(1, hashtableAst.KeyValuePairs.Count);
dynamic keyValuePair = hashtableAst.KeyValuePairs.Single();
StringConstantExpressionAst nameAst = keyValuePair.Item1;
StringConstantExpressionAst valueAst = keyValuePair.Item2.PipelineElements[0].Expression;
Assert.AreEqual("a", nameAst.Value);
Assert.AreEqual("b", valueAst.Value);
}
public void HashTableAcceptsMultipleStatementTerminators(string input, int expectedCount)
{
// statement-terminators:
// statement-terminator
// statement-terminators statement-terminator
// statement-terminator:
// ;
// new-line-character
HashtableAst hashtableAst = ParseStatement(input)
.PipelineElements[0]
.Expression;
Assert.AreEqual(expectedCount, hashtableAst.KeyValuePairs.Count);
}
public object VisitHashtable(HashtableAst hashtableAst)
{
foreach (Tuple <ExpressionAst, StatementAst> tuple in hashtableAst.KeyValuePairs)
{
if (!((bool)tuple.Item1.Accept(this)))
{
return(false);
}
if (!((bool)tuple.Item2.Accept(this)))
{
return(false);
}
}
return(true);
}
public override AstVisitAction VisitHashtable(HashtableAst hashtableAst)
{
var keys = string.Join(", ", hashtableAst.KeyValuePairs.Select(p => p.Item1.ToString()));
var keysString = keys == null ? "" : $" This hash table has the following keys: '{keys}'";
explanations.Add(
new Explanation()
{
Description = $"An object that holds key-value pairs, optimized for hash-searching for keys.{keysString}",
CommandName = "Hash table",
HelpResult = HelpTableQuery("about_hash_tables"),
TextToHighlight = "@{"
}.AddDefaults(hashtableAst, explanations));
return(base.VisitHashtable(hashtableAst));
}
private bool HasKeysOnSeparateLines(HashtableAst hashtableAst)
{
var lines = new HashSet <int>();
foreach (var kvp in hashtableAst.KeyValuePairs)
{
if (lines.Contains(kvp.Item1.Extent.StartLineNumber))
{
return(false);
}
else
{
lines.Add(kvp.Item1.Extent.StartLineNumber);
}
}
return(true);
}
public override object VisitHashtable(HashtableAst hashtableAst)
{
script_.Write("@{");
if (hashtableAst.KeyValuePairs.Count > 0)
{
var firstPair = hashtableAst.KeyValuePairs.First();
VisitElement(firstPair.Item1);
script_.Write("=");
VisitElement(firstPair.Item2);
foreach (var keyValuePair in hashtableAst.KeyValuePairs.Skip(1))
{
script_.Write(";");
VisitElement(keyValuePair.Item1);
script_.Write("=");
VisitElement(keyValuePair.Item2);
}
}
script_.Write("}");
return(hashtableAst);
}
private void parseSettingsFile(string settingsFilePath)
{
Token[] parserTokens = null;
ParseError[] parserErrors = null;
Ast profileAst = Parser.ParseFile(settingsFilePath, out parserTokens, out parserErrors);
IEnumerable <Ast> hashTableAsts = profileAst.FindAll(item => item is HashtableAst, false);
// no hashtable, raise warning
if (hashTableAsts.Count() == 0)
{
throw new ArgumentException(string.Format(CultureInfo.CurrentCulture, Strings.InvalidProfile, settingsFilePath));
}
HashtableAst hashTableAst = hashTableAsts.First() as HashtableAst;
Hashtable hashtable;
try
{
// ideally we should use HashtableAst.SafeGetValue() but since
// it is not available on PSv3, we resort to our own narrow implementation.
hashtable = GetHashtableFromHashTableAst(hashTableAst);
}
catch (InvalidOperationException e)
{
throw new ArgumentException(Strings.InvalidProfile, e);
}
if (hashtable == null)
{
throw new ArgumentException(
String.Format(
CultureInfo.CurrentCulture,
Strings.InvalidProfile,
settingsFilePath));
}
parseSettingsHashtable(hashtable);
}
/// <summary>
/// Create a hashtable value from a PowerShell AST representing one,
/// provided that the PowerShell expression is statically evaluable and safe.
/// </summary>
/// <param name="hashtableAst">The PowerShell representation of the hashtable value.</param>
/// <returns>The Hashtable as a hydrated .NET value.</returns>
private static Hashtable GetSafeValueFromHashtableAst(HashtableAst hashtableAst)
{
if (hashtableAst == null)
{
throw new ArgumentNullException(nameof(hashtableAst));
}
if (hashtableAst.KeyValuePairs == null)
{
throw CreateInvalidDataExceptionFromAst(hashtableAst);
}
var hashtable = new Hashtable();
foreach (Tuple <ExpressionAst, StatementAst> entry in hashtableAst.KeyValuePairs)
{
// Get the key
object key = GetSafeValueFromExpressionAst(entry.Item1);
if (key == null)
{
throw CreateInvalidDataExceptionFromAst(entry.Item1);
}
// Get the value
ExpressionAst valueExprAst = (entry.Item2 as PipelineAst)?.GetPureExpression();
if (valueExprAst == null)
{
throw CreateInvalidDataExceptionFromAst(entry.Item2);
}
// Add the key/value entry into the hydrated hashtable
hashtable[key] = GetSafeValueFromExpressionAst(valueExprAst);
}
return(hashtable);
}
internal List <CompletionResult> GetResultHelper(CompletionContext completionContext, out int replacementIndex, out int replacementLength, bool isQuotedString)
{
replacementIndex = -1;
replacementLength = -1;
Token tokenAtCursor = completionContext.TokenAtCursor;
Ast lastAst = completionContext.RelatedAsts.Last <Ast>();
List <CompletionResult> list = null;
if (tokenAtCursor == null)
{
if (!isQuotedString && (((((lastAst is CommandParameterAst) || (lastAst is CommandAst)) || ((lastAst is ExpressionAst) && (lastAst.Parent is CommandAst))) || ((lastAst is ExpressionAst) && (lastAst.Parent is CommandParameterAst))) || (((lastAst is ExpressionAst) && (lastAst.Parent is ArrayLiteralAst)) && ((lastAst.Parent.Parent is CommandAst) || (lastAst.Parent.Parent is CommandParameterAst)))))
{
completionContext.WordToComplete = string.Empty;
HashtableAst hashtableAst = lastAst as HashtableAst;
if (hashtableAst != null)
{
completionContext.ReplacementIndex = replacementIndex = completionContext.CursorPosition.Offset;
completionContext.ReplacementLength = replacementLength = 0;
list = CompletionCompleters.CompleteHashtableKey(completionContext, hashtableAst);
}
else
{
list = CompletionCompleters.CompleteCommandArgument(completionContext);
replacementIndex = completionContext.ReplacementIndex;
replacementLength = completionContext.ReplacementLength;
}
}
else if (!isQuotedString)
{
bool flag = false;
if ((lastAst is ErrorExpressionAst) && (lastAst.Parent is FileRedirectionAst))
{
flag = true;
}
else if ((lastAst is ErrorStatementAst) && CompleteAgainstSwitchFile(lastAst, completionContext.TokenBeforeCursor))
{
flag = true;
}
if (flag)
{
completionContext.WordToComplete = string.Empty;
list = new List <CompletionResult>(CompletionCompleters.CompleteFilename(completionContext));
replacementIndex = completionContext.ReplacementIndex;
replacementLength = completionContext.ReplacementLength;
}
}
}
else
{
TokenKind kind;
replacementIndex = tokenAtCursor.Extent.StartScriptPosition.Offset;
replacementLength = tokenAtCursor.Extent.EndScriptPosition.Offset - replacementIndex;
completionContext.ReplacementIndex = replacementIndex;
completionContext.ReplacementLength = replacementLength;
switch (tokenAtCursor.Kind)
{
case TokenKind.ColonColon:
case TokenKind.Dot:
replacementIndex += tokenAtCursor.Text.Length;
replacementLength = 0;
list = CompletionCompleters.CompleteMember(completionContext, tokenAtCursor.Kind == TokenKind.ColonColon);
goto Label_05DC;
case TokenKind.Multiply:
case TokenKind.Identifier:
case TokenKind.Generic:
list = this.GetResultForIdentifier(completionContext, ref replacementIndex, ref replacementLength, isQuotedString);
goto Label_05DC;
case TokenKind.Minus:
if (CompleteOperator(tokenAtCursor, lastAst))
{
list = CompletionCompleters.CompleteOperator("");
}
else if (CompleteAgainstStatementFlags(completionContext.RelatedAsts[0], null, tokenAtCursor, out kind))
{
completionContext.WordToComplete = tokenAtCursor.Text;
list = CompletionCompleters.CompleteStatementFlags(kind, completionContext.WordToComplete);
}
goto Label_05DC;
case TokenKind.Redirection:
if ((lastAst is ErrorExpressionAst) && (lastAst.Parent is FileRedirectionAst))
{
completionContext.WordToComplete = string.Empty;
completionContext.ReplacementIndex = replacementIndex += tokenAtCursor.Text.Length;
completionContext.ReplacementLength = replacementLength = 0;
list = new List <CompletionResult>(CompletionCompleters.CompleteFilename(completionContext));
}
goto Label_05DC;
case TokenKind.Variable:
case TokenKind.SplattedVariable:
completionContext.WordToComplete = ((VariableToken)tokenAtCursor).VariablePath.UserPath;
list = CompletionCompleters.CompleteVariable(completionContext);
goto Label_05DC;
case TokenKind.Parameter:
if (!isQuotedString)
{
completionContext.WordToComplete = tokenAtCursor.Text;
CommandAst parent = lastAst.Parent as CommandAst;
if ((!(lastAst is StringConstantExpressionAst) || (parent == null)) || (parent.CommandElements.Count != 1))
{
if (CompleteAgainstStatementFlags(null, lastAst, null, out kind))
{
list = CompletionCompleters.CompleteStatementFlags(kind, completionContext.WordToComplete);
}
else if (CompleteOperator(tokenAtCursor, lastAst))
{
list = CompletionCompleters.CompleteOperator(completionContext.WordToComplete);
}
else if (completionContext.WordToComplete.EndsWith(":", StringComparison.Ordinal))
{
replacementIndex = tokenAtCursor.Extent.EndScriptPosition.Offset;
replacementLength = 0;
completionContext.WordToComplete = string.Empty;
list = CompletionCompleters.CompleteCommandArgument(completionContext);
}
else
{
list = CompletionCompleters.CompleteCommandParameter(completionContext);
}
}
else
{
list = CompleteFileNameAsCommand(completionContext);
}
}
goto Label_05DC;
case TokenKind.Number:
if ((lastAst is ConstantExpressionAst) && (((lastAst.Parent is CommandAst) || (lastAst.Parent is CommandParameterAst)) || ((lastAst.Parent is ArrayLiteralAst) && ((lastAst.Parent.Parent is CommandAst) || (lastAst.Parent.Parent is CommandParameterAst)))))
{
completionContext.WordToComplete = tokenAtCursor.Text;
list = CompletionCompleters.CompleteCommandArgument(completionContext);
replacementIndex = completionContext.ReplacementIndex;
replacementLength = completionContext.ReplacementLength;
}
goto Label_05DC;
case TokenKind.Comment:
if (!isQuotedString)
{
completionContext.WordToComplete = tokenAtCursor.Text;
list = CompletionCompleters.CompleteComment(completionContext);
}
goto Label_05DC;
case TokenKind.StringLiteral:
case TokenKind.StringExpandable:
list = this.GetResultForString(completionContext, ref replacementIndex, ref replacementLength, isQuotedString);
goto Label_05DC;
case TokenKind.RBracket:
if (lastAst is TypeExpressionAst)
{
TypeExpressionAst targetExpr = (TypeExpressionAst)lastAst;
List <CompletionResult> results = new List <CompletionResult>();
CompletionCompleters.CompleteMemberHelper(true, "*", targetExpr, completionContext, results);
if (results.Count > 0)
{
replacementIndex++;
replacementLength = 0;
list = (from entry in results
let completionText = TokenKind.ColonColon.Text() + entry.CompletionText
select new CompletionResult(completionText, entry.ListItemText, entry.ResultType, entry.ToolTip)).ToList <CompletionResult>();
}
}
goto Label_05DC;
case TokenKind.Comma:
if ((lastAst is ErrorExpressionAst) && ((lastAst.Parent is CommandAst) || (lastAst.Parent is CommandParameterAst)))
{
replacementIndex += replacementLength;
replacementLength = 0;
list = CompletionCompleters.CompleteCommandArgument(completionContext);
}
goto Label_05DC;
}
if ((tokenAtCursor.TokenFlags & TokenFlags.Keyword) != TokenFlags.None)
{
completionContext.WordToComplete = tokenAtCursor.Text;
list = CompleteFileNameAsCommand(completionContext);
List <CompletionResult> collection = CompletionCompleters.CompleteCommand(completionContext);
if ((collection != null) && (collection.Count > 0))
{
list.AddRange(collection);
}
}
else
{
replacementIndex = -1;
replacementLength = -1;
}
}
Label_05DC:
if ((list == null) || (list.Count == 0))
{
TypeExpressionAst ast5 = completionContext.RelatedAsts.OfType <TypeExpressionAst>().FirstOrDefault <TypeExpressionAst>();
TypeName name = null;
if (ast5 != null)
{
name = FindTypeNameToComplete(ast5.TypeName, this._cursorPosition);
}
else
{
TypeConstraintAst ast6 = completionContext.RelatedAsts.OfType <TypeConstraintAst>().FirstOrDefault <TypeConstraintAst>();
if (ast6 != null)
{
name = FindTypeNameToComplete(ast6.TypeName, this._cursorPosition);
}
}
if (name != null)
{
replacementIndex = name.Extent.StartOffset;
replacementLength = name.Extent.EndOffset - replacementIndex;
completionContext.WordToComplete = name.FullName;
list = CompletionCompleters.CompleteType(completionContext, "", "");
}
}
if ((list == null) || (list.Count == 0))
{
HashtableAst ast7 = lastAst as HashtableAst;
if (ast7 != null)
{
completionContext.ReplacementIndex = replacementIndex = completionContext.CursorPosition.Offset;
completionContext.ReplacementLength = replacementLength = 0;
list = CompletionCompleters.CompleteHashtableKey(completionContext, ast7);
}
}
if ((list == null) || (list.Count == 0))
{
string text = completionContext.RelatedAsts[0].Extent.Text;
if ((Regex.IsMatch(text, @"^[\S]+$") && (completionContext.RelatedAsts.Count > 0)) && (completionContext.RelatedAsts[0] is ScriptBlockAst))
{
replacementIndex = completionContext.RelatedAsts[0].Extent.StartScriptPosition.Offset;
replacementLength = completionContext.RelatedAsts[0].Extent.EndScriptPosition.Offset - replacementIndex;
completionContext.WordToComplete = text;
list = CompleteFileNameAsCommand(completionContext);
}
}
return(list);
}
private Hashtable GetHashtableFromHashTableAst(HashtableAst hashTableAst)
{
var output = new Hashtable();
foreach (var kvp in hashTableAst.KeyValuePairs)
{
var keyAst = kvp.Item1 as StringConstantExpressionAst;
if (keyAst == null)
{
// first item (the key) should be a string
ThrowInvalidDataException(kvp.Item1);
}
var key = keyAst.Value;
// parse the item2 as array
PipelineAst pipeAst = kvp.Item2 as PipelineAst;
List <string> rhsList = new List <string>();
if (pipeAst != null)
{
ExpressionAst pureExp = pipeAst.GetPureExpression();
var constExprAst = pureExp as ConstantExpressionAst;
if (constExprAst != null)
{
var strConstExprAst = constExprAst as StringConstantExpressionAst;
if (strConstExprAst != null)
{
// it is a string literal
output[key] = strConstExprAst.Value;
}
else
{
// it is either an integer or a float
output[key] = constExprAst.Value;
}
continue;
}
else if (pureExp is HashtableAst)
{
output[key] = GetHashtableFromHashTableAst((HashtableAst)pureExp);
continue;
}
else if (pureExp is VariableExpressionAst)
{
var varExprAst = (VariableExpressionAst)pureExp;
switch (varExprAst.VariablePath.UserPath.ToLower())
{
case "true":
output[key] = true;
break;
case "false":
output[key] = false;
break;
default:
ThrowInvalidDataException(varExprAst.Extent);
break;
}
continue;
}
else
{
rhsList = GetArrayFromAst(pureExp);
}
}
output[key] = rhsList.ToArray();
}
return(output);
}
