/// <summary>
/// Adds a parameter to variable binding.
/// </summary>
/// <param name="parameter">SQL parameter.</param>
/// <param name="variable">PHP variable passed by reference.</param>
/// <param name="type">Parameter type specified by user.</param>
/// <returns><B>true</B> if the binding succeeded.</returns>
public bool AddBinding(IDataParameter /*!*/ parameter, PhpReference /*!*/ variable, ParameterType type)
{
if (parameter == null)
{
throw new ArgumentNullException("parameter");
}
if (variable == null)
{
throw new ArgumentNullException("variable");
}
if (type < ParameterType.String || type > ParameterType.Infer)
{
throw new ArgumentOutOfRangeException("type");
}
if (Bindings.ContainsKey(parameter.ParameterName))
{
return(false);
}
Bindings.Add(parameter.ParameterName, new Binding(variable, parameter, type));
return(true);
}
private static PhpResource Open(string filename, int mode, PhpReference error, bool persistent)
{
if (persistent) PhpException.FunctionNotSupported(PhpError.Notice);
SQLiteConnectionStringBuilder csb = new SQLiteConnectionStringBuilder();
csb.DataSource = filename;
csb.Version = 3;
try
{
PhpSQLiteDbConnection connection = new PhpSQLiteDbConnection(csb.ConnectionString);
if (error != null)
{
error.Value = null;
}
return connection;
}
catch (Exception ex)
{
if (error != null)
{
error.Value = ex.Message;
}
return null;
}
}
static PhpReference GetRefMemberNotFound(DObject self, string name, DTypeDesc caller)
{
PhpReference reference;
bool getter_exists;
// search in RT fields
if (self.RuntimeFields != null && self.RuntimeFields.ContainsKey(name))
{
var namekey = new IntStringKey(name);
return(self.RuntimeFields.table._ensure_item_ref(ref namekey, self.RuntimeFields));
}
// property is not present -> try to invoke __get
reference = self.InvokeGetterRef(name, caller, out getter_exists);
if (getter_exists)
{
return((reference == null) ? new PhpReference() : reference);
}
// (no notice/warning/error thrown by PHP)
// add the field
reference = new PhpReference();
if (self.RuntimeFields == null)
{
self.RuntimeFields = new PhpArray();
}
self.RuntimeFields[name] = reference;
return(reference);
}
protected override void SetArrayItemRefOverride(object key, PhpReference value)
{
PhpStack stack = ScriptContext.CurrentContext.Stack;
stack.AddFrame(key, value);
arrayAccess.InvokeMethod(offsetSet, null, stack.Context);
}
private static PhpResource Open(string filename, int mode, PhpReference error, bool persistent)
{
if (persistent)
{
PhpException.FunctionNotSupported(PhpError.Notice);
}
SQLiteConnectionStringBuilder csb = new SQLiteConnectionStringBuilder();
csb.DataSource = filename;
csb.Version = 3;
try
{
PhpSQLiteDbConnection connection = new PhpSQLiteDbConnection(csb.ConnectionString);
if (error != null)
{
error.Value = null;
}
return(connection);
}
catch (Exception ex)
{
if (error != null)
{
error.Value = ex.Message;
}
return(null);
}
}
public static bool Bind(PhpResource statement, string parameterName, PhpReference variable, VariableType type,
bool isOutput, bool isNullable, int maxLength)
{
PhpSqlDbProcedure procedure = PhpSqlDbProcedure.ValidProcedure(statement);
if (procedure == null)
{
return(false);
}
if (parameterName == null)
{
PhpException.ArgumentNull("parameterName");
return(false);
}
PhpSqlDbProcedure.ParameterType param_type = PhpSqlDbProcedure.VariableTypeToParamType(type);
if (param_type == PhpSqlDbProcedure.ParameterType.Invalid)
{
PhpException.ArgumentValueNotSupported("type", (int)type);
return(false);
}
SqlParameter parameter = new SqlParameter();
parameter.ParameterName = parameterName;
// it is necessary to set size for in-out params as the results are truncated to this size;
// 8000 is maximal size of the data according to the doc:
if (maxLength >= 0)
{
parameter.Size = maxLength;
}
else
{
parameter.Size = 8000;
}
if (String.Compare(parameterName, "RETVAL", true) == 0)
{
parameter.Direction = ParameterDirection.ReturnValue;
}
else if (isOutput)
{
parameter.Direction = ParameterDirection.InputOutput;
}
else
{
parameter.Direction = ParameterDirection.Input;
}
if (!procedure.AddBinding(parameter, variable, param_type))
{
PhpException.Throw(PhpError.Notice, LibResources.GetString("parameter_already_bound", parameterName));
return(false);
}
return(true);
}
public Binding(PhpReference/*!*/ variable, IDataParameter/*!*/ parameter, ParameterType type)
{
Debug.Assert(variable != null && parameter != null && type != ParameterType.Invalid);
this.Variable = variable;
this.Parameter = parameter;
this.Type = type;
}
public Binding(PhpReference /*!*/ variable, IDataParameter /*!*/ parameter, ParameterType type)
{
Debug.Assert(variable != null && parameter != null && type != ParameterType.Invalid);
this.Variable = variable;
this.Parameter = parameter;
this.Type = type;
}
public static object query(object instance, PhpStack stack)
{
object query = stack.PeekValue(1);
object resultType = stack.PeekValueOptional(2);
PhpReference error = stack.PeekReferenceOptional(3);
stack.RemoveFrame();
return(((SQLiteDatabase)instance).query(stack.Context, query, resultType, error));
}
public static object __construct(object instance, PhpStack stack)
{
object argFileName = stack.PeekValue(1);
object argMode = stack.PeekValueOptional(2);
PhpReference error = stack.PeekReferenceOptional(3);
stack.RemoveFrame();
string filename = PHP.Core.Convert.ObjectToString(argFileName);
int mode = PHP.Core.Convert.ObjectToInteger(argMode);
return(((SQLiteDatabase)instance).__construct(stack.Context, filename, mode, error));
}
static PhpReference notsetOperation(DObject self, string name, DTypeDesc caller, PhpReference refrnc)
{
bool getter_exists;
// the CT property has been unset -> try to invoke __get
PhpReference get_ref = self.InvokeGetterRef(name, caller, out getter_exists);
if (getter_exists) return get_ref ?? new PhpReference();
Debug.Assert(refrnc != null);
refrnc.IsAliased = true;
refrnc.IsSet = true;
return refrnc;
}
public static T Call <T>(this ScriptContext context, string /*!*/ functionName, NamingContext namingContext,
Dictionary <string, object> callerLocalVariables, params object[] arguments)
where T : class
{
PhpReference rf = context.Call(functionName, namingContext, callerLocalVariables, arguments);
if (rf.Value == null)
{
return(null);
}
else
{
return(DuckTyping.Instance.ImplementDuckType <T>(rf.Value));
}
}
/// <summary>
/// Gets an item of a user array by invoking <see cref="Library.SPL.ArrayAccess.offsetGet"/>.
/// </summary>
/// <param name="arrayAccess">User array object.</param>
/// <param name="index">An index.</param>
/// <param name="context">The current script context.</param>
/// <returns>A reference on item returned by the user getter.</returns>
internal static PhpReference GetUserArrayItemRef(DObject /*!*/ arrayAccess, object index, ScriptContext /*!*/ context)
{
Debug.Assert(arrayAccess.RealObject is Library.SPL.ArrayAccess);
Debug.Assert(!(index is PhpReference));
context.Stack.AddFrame(index);
object result = arrayAccess.InvokeMethod(Library.SPL.PhpArrayObject.offsetGet, null, context);
PhpReference ref_result = result as PhpReference;
if (ref_result == null)
{
// obsolete (?): PhpException.Throw(PhpError.Error,CoreResources.GetString("offsetGet_must_return_byref"));
ref_result = new PhpReference(result);
}
return(ref_result);
}
static PhpReference notsetOperation(DObject self, string name, DTypeDesc caller, PhpReference refrnc)
{
bool getter_exists;
// the CT property has been unset -> try to invoke __get
PhpReference get_ref = self.InvokeGetterRef(name, caller, out getter_exists);
if (getter_exists)
{
return(get_ref ?? new PhpReference());
}
Debug.Assert(refrnc != null);
refrnc.IsAliased = true;
refrnc.IsSet = true;
return(refrnc);
}
public object query(ScriptContext context, object query, object resultType, PhpReference error)
{
SQLite.QueryResultKeys rt = SQLite.QueryResultKeys.Both;
int vRt = PHP.Core.Convert.ObjectToInteger(resultType);
if (Enum.IsDefined(typeof(SQLite.QueryResultKeys), vRt))
{
rt = (SQLite.QueryResultKeys)vRt;
}
PhpSQLiteDbResult result = (PhpSQLiteDbResult)SQLite.Query(this.m_con, query, rt, error);
if (result != null)
{
return new SQLiteResult(result);
}
else
{
return null;
}
}
public static bool ParseStr(string encoded_string, PhpReference array)
{
try
{
PhpArray result = new PhpArray();
foreach (var x in ParseUrlEncodedGetParameters(encoded_string))
{
result.Add(x.Key, x.Value);
}
array.Value = result;
return(true);
}
catch
{
return(false);
}
}
/// <summary>
/// Calls the indexer (offsetGet) and ensures that its result is an array or can be converted to an array.
/// </summary>
/// <param name="key">A key passed to the indexer.</param>
/// <returns>The array (either previously existing or a created one) or a <B>null</B> reference on error.</returns>
/// <exception cref="PhpException">The indexer doesn't return a reference (Error).</exception>
/// <exception cref="PhpException">The return value cannot be converted to an array (Warning).</exception>
private PhpArray EnsureIndexerResultIsRefArray(object key)
{
PhpReference ref_result = GetUserArrayItemRef(arrayAccess, key, ScriptContext.CurrentContext);
object new_value;
var wrappedwarray = Operators.EnsureObjectIsArray(ref_result.Value, out new_value);
if (wrappedwarray != null)
{
if (new_value != null)
{
ref_result.Value = new_value;
}
return(wrappedwarray);
}
// the result is neither array nor object behaving like array:
PhpException.VariableMisusedAsArray(ref_result.Value, false);
return(null);
}
public static bool SetObject(PhpResource parser, PhpReference objRef)
{
XmlParserResource xmlParser = parser as XmlParserResource;
if (xmlParser != null)
{
DObject dObject = objRef != null ? objRef.Value as DObject : null;
if (dObject != null)
{
xmlParser.HandlerObject = dObject;
}
else
{
xmlParser.HandlerObject = null;
}
return(true);
}
return(false);
}
public object query(ScriptContext context, object query, object resultType, PhpReference error)
{
SQLite.QueryResultKeys rt = SQLite.QueryResultKeys.Both;
int vRt = PHP.Core.Convert.ObjectToInteger(resultType);
if (Enum.IsDefined(typeof(SQLite.QueryResultKeys), vRt))
{
rt = (SQLite.QueryResultKeys)vRt;
}
PhpSQLiteDbResult result = (PhpSQLiteDbResult)SQLite.Query(this.m_con, query, rt, error);
if (result != null)
{
return(new SQLiteResult(result));
}
else
{
return(null);
}
}
public static bool Exec(object arg1, object arg2, PhpReference error_message)
{
PhpSQLiteDbConnection connection = PhpSQLiteDbConnection.ValidConnection(arg1 as PhpResource);
string query;
if (connection == null)
{
connection = PhpSQLiteDbConnection.ValidConnection(arg2 as PhpResource);
query = PHP.Core.Convert.ObjectToString(arg1);
}
else
{
query = PHP.Core.Convert.ObjectToString(arg2);
}
if (query == null || connection == null)
{
return(false);
}
try
{
connection.ExecuteCommand(query, System.Data.CommandType.Text, true, null, true);
if (error_message != null)
{
error_message.Value = null;
}
return(true);
}
catch (Exception ex)
{
if (error_message != null)
{
error_message.Value = ex.Message;
}
return(false);
}
}
/// <summary>
/// Calls the indexer (offsetGet) and ensures that its result is an <see cref="DObject"/> or can be
/// converted to <see cref="DObject"/>.
/// </summary>
/// <param name="key">A key passed to the indexer.</param>
/// <param name="context">A script context.</param>
/// <returns>The <see cref="DObject"/> (either previously existing or a created one) or a <B>null</B> reference on error.</returns>
/// <exception cref="PhpException">The indexer doesn't return a reference (Error).</exception>
/// <exception cref="PhpException">The return value cannot be converted to a DObject (Warning).</exception>
private DObject EnsureIndexerResultIsRefObject(object key, ScriptContext /*!*/ context)
{
PhpReference ref_result = GetUserArrayItemRef(arrayAccess, key, context);
// is the result an array:
DObject result = ref_result.Value as DObject;
if (result != null)
{
return(result);
}
// is result empty => creates a new array and writes it back:
if (Operators.IsEmptyForEnsure(ref_result.Value))
{
ref_result.Value = result = stdClass.CreateDefaultObject(context);
return(result);
}
// the result is neither array nor object behaving like array not empty value:
PhpException.VariableMisusedAsObject(ref_result.Value, false);
return(null);
}
public static bool ParseStr(string encoded_string, PhpReference array)
{
try
{
PhpArray result = new PhpArray();
foreach (var x in ParseUrlEncodedGetParameters(encoded_string))
result.Add(x.Key, x.Value);
array.Value = result;
return true;
}
catch
{
return false;
}
}
public static PhpBytes exif_thumbnail(string filename, PhpReference width, PhpReference height, PhpReference imagetype)
{
if (string.IsNullOrEmpty(filename))
{
PhpException.Throw(PhpError.Warning, Utils.Resources.GetString("filename_cannot_be_empty"));
return(null);
}
if (imagetype != null)
{
PhpException.ArgumentValueNotSupported("imagetype", "!=null");
}
Bitmap thumbnail = null;
PhpBytes bytes, result;
bytes = Utils.ReadPhpBytes(filename);
if (bytes == null)
{
return(null);
}
// get thumbnail from <filename>'s content:
using (MemoryStream ms = new MemoryStream(bytes.ReadonlyData))
{
try
{
using (Bitmap image = (Bitmap)Image.FromStream(ms))
{
thumbnail = (Bitmap)image.GetThumbnailImage(0, 0, () => true, IntPtr.Zero);
}
}
catch
{
return(null);
}
}
if (thumbnail == null)
{
return(null);
}
//
if (width != null)
{
width.Value = thumbnail.Width;
}
if (height != null)
{
height.Value = thumbnail.Height;
}
using (MemoryStream ms2 = new MemoryStream())
{
thumbnail.Save(ms2, ImageFormat.Png);
result = new PhpBytes(ms2.GetBuffer());
}
thumbnail.Dispose();
return(result);
}
public static PhpReference GetVariableRef(ScriptContext/*!*/ context, Dictionary<string, object> locals,
string/*!*/ name)
{
Debug.Assert(name != null);
if (locals != null)
{
// included in method //
PhpReference result;
object item;
if (locals.TryGetValue(name, out item))
{
result = item as PhpReference;
if (result != null)
return result;
}
else
{
item = null;
}
// it is correct to box the item without making a deep copy since there was a single pointer on item
// before this operation (by invariant) and there will be a single one after the operation as well:
locals[name] = result = new PhpReference(item);
return result;
}
else
{
// true global code //
PhpArray globals = context.AutoGlobals.Globals.Value as PhpArray;
PhpReference result;
object item = null;
if (globals == null)
{
context.AutoGlobals.Globals.Value = globals = new PhpArray();
}
else if (globals.TryGetValue(name, out item))
{
result = item as PhpReference;
if (result != null)
return result;
}
// it is correct to box the item without making a deep copy since there was a single pointer on item
// before this operation (by invariant) and there will be a single one after the operation as well:
globals[name] = result = new PhpReference(item);
return result;
}
}
/// <summary>
/// Adds session variables aliases to global variables.
/// </summary>
public void RegisterSessionGlobals()
{
PhpArray globals, session;
// do not create session variables table if not exists:
if ((session = PhpReference.AsPhpArray(AutoGlobals.Session)) == null)
return;
// creates globals array if it doesn't exists:
globals = GlobalVariables;
// iterates using unbreakable enumerator:
foreach (KeyValuePair<IntStringKey, object> entry in session)
{
PhpReference php_ref = entry.Value as PhpReference;
// converts the session variable to a reference if it is not one ("no duplicate pointers" rule preserved):
if (php_ref == null)
session[entry.Key] = php_ref = new PhpReference(entry.Value);
// adds alias to the globals:
globals[entry.Key] = php_ref;
}
}
/// <summary>
/// Adds a level of indirection to a specified argument.
/// Supresses checks that disables a reference to containe another reference.
/// </summary>
/// <param name="i">An index of argument starting from 1.</param>
internal void AddIndirection(int i)
{
// preserves "no duplicate pointers" invariant:
Items[Top - i] = new PhpReference(Items[Top - i], true);
}
public static void f0(PhpReference arg)
{
PhpVariable.Dump(arg.value);
arg.value = "hello";
}
public static PhpReference GetObjectFieldDirectRef(DObject/*!*/ obj, PhpReference/*!*/ field,
string/*!*/ name, DTypeDesc caller)
{
Debug.Assert(obj != null && field != null && name != null);
if (field.IsSet)
{
field.IsAliased = true;
return field;
}
else
{
return GetObjectPropertyRef(obj, name, caller);
}
}
public static PhpResource POpen(string filename, int mode, PhpReference error)
{
return(Open(filename, mode, error, true));
}
public static PhpResource Query(object arg1, object arg2, QueryResultKeys result_type, PhpReference error_msg)
{
PhpSQLiteDbConnection connection = PhpSQLiteDbConnection.ValidConnection(arg1 as PhpResource);
string query;
if (connection == null)
{
connection = PhpSQLiteDbConnection.ValidConnection(arg2 as PhpResource);
query = PHP.Core.Convert.ObjectToString(arg1);
}
else
{
query = PHP.Core.Convert.ObjectToString(arg2);
}
if (query == null || connection == null)
{
return(null);
}
try
{
var result = connection.ExecuteQuery(query, true);
if (error_msg != null)
{
error_msg.Value = null;
}
return(result);
}
catch (Exception ex)
{
if (error_msg != null)
{
error_msg.Value = ex.Message;
}
return(null);
}
}
//[return: PhpDeepCopy] // already deep copied
public static PhpArray GetObjectVars(DTypeDesc caller, DObject obj, bool IgnoreReferences)
{
if (obj == null)
{
return(null);
}
Converter <object, object> copy = null;
///////////////////////////////////////
// This is hot fix for a reference counting problem when reference aren't released in same way as in PHP.
// Hence, we need to perform deep copy ignoring references
if (IgnoreReferences)
{
copy = (value) =>
{
PhpReference refValue = value as PhpReference;
if (refValue != null)
{
return(copy(refValue.Value));
}
PhpArray array = value as PhpArray;
if (array != null)
{
PhpArray dst = new PhpArray(array.IntegerCount, array.StringCount);
foreach (KeyValuePair <IntStringKey, object> entry in array)
{
// checks whether a value is a reference pointing to the instance itself:
refValue = entry.Value as PhpReference;
if (refValue != null && refValue.Value == array)
{
// copies the value so that it will self-reference the new instance (not the old one):
dst.Add(entry.Key, new PhpReference(dst));
}
else
{
dst.Add(entry.Key, copy(entry.Value));
}
}
return(dst);
}
return(value);
}
}
;
else
{
copy = (value) => { return(PhpVariable.DeepCopy(value)); }
}; // perform InplaceDeepCopy() here to save one more iteration through the array
///////////////////////////////////////
PhpArray result = new PhpArray(0, obj.Count);
var foreachEnumerator = obj.GetEnumerator((caller != null && caller.IsUnknown) ? PhpStackTrace.GetClassContext() : caller);
while (foreachEnumerator.MoveNext())
//foreach (DictionaryEntry pair in obj)
{
DictionaryEntry pair = (DictionaryEntry)foreachEnumerator.Current;
result.Add((string)pair.Key, copy(pair.Value));
}
//result.InplaceCopyOnReturn = true; // already deep copied
return(result);
}
public static bool Bind(PhpResource statement, string parameterName, PhpReference variable, VariableType type,
bool isOutput, bool isNullable)
{
return(Bind(statement, parameterName, variable, type, isOutput, isNullable, -1));
}
/// <summary>
/// Parses the <B>R</B> token.
/// </summary>
private void ParseReference()
{
Consume(Tokens.Colon);
int seq_number = (unchecked((int)ReadInteger())) - 1;
Consume(Tokens.Semicolon);
if (seq_number < 0 || seq_number >= sequenceMap.Count) ThrowInvalidReference();
int index = sequenceMap[seq_number];
// make the referenced atom a PhpReference
PhpReference reference = atoms[index] as PhpReference;
if (reference == null)
{
reference = new PhpReference(atoms[index]);
atoms[index] = reference;
}
atoms.Add(new BackReference(index, true));
}
/// <summary>
/// Serializes a <see cref="PhpReference"/>.
/// </summary>
/// <param name="value">The reference.</param>
private void WriteReference(PhpReference value)
{
sequenceNumber--;
if (!value.IsAliased)
{
Serialize(value.Value);
return;
}
int seq;
if (serializedRefs.TryGetValue(value, out seq))
{
// this reference has already been serialized -> write out its seq. number
writer.Write(Tokens.Reference);
writer.Write(Tokens.Colon);
writer.Write(seq);
writer.Write(Tokens.Semicolon);
}
else
{
serializedRefs.Add(value, sequenceNumber + 1);
if (value.Value is DObject && serializedRefs.TryGetValue(value.Value, out seq))
{
// this reference's value has already been serialized -> write out its seq. number
// (this is to handle situations such as array($x, &$x), where $x is an object instance)
writer.Write(Tokens.Reference);
writer.Write(Tokens.Colon);
writer.Write(seq);
writer.Write(Tokens.Semicolon);
}
else Serialize(value.Value);
}
}
public static int ParseIntoStruct(NamingContext /*!*/ namingContext, DTypeDesc caller, PhpResource parser, string data, PhpReference values)
{
return(ParseIntoStruct(namingContext, caller, parser, data, values, null));
}
public PhpReference PeekReferenceUnchecked(int i)
{
object item = Items[Top - i];
PhpReference result;
PhpRuntimeChain php_chain;
// the caller may not pushed a reference although the formal argument is a reference:
// it doesn't matter if called by callback:
if ((result = item as PhpReference) == null)
{
// caller may have pushed a runtime chain => evaluate it:
if ((php_chain = item as PhpRuntimeChain) != null)
{
// call state has to be stored since chain can call arbitrary user code:
CallState call_state = SaveCallState();
result = php_chain.GetReference(Context);
RestoreCallState(call_state);
}
else
{
// the reason of copy is not exactly known (it may be returning by copy as well as passing by copy):
result = new PhpReference(PhpVariable.Copy(item, CopyReason.Unknown));
// Reports an error in the case that we are not called by callback.
// Although, this error is fatal one can switch throwing exceptions off.
// If this is the case the afterwards behavior will be the same as if callback was called.
if (!Callback)
{
// warning (can invoke user code => we have to save and restore callstate):
CallState call_state = SaveCallState();
PhpException.ArgumentNotPassedByRef(i, CalleeName);
RestoreCallState(call_state);
}
}
}
return result;
}
public static PhpReference GetItemRef(ref object var)
{
Debug.Assert(!(var is PhpReference));
// PhpArray:
if (var != null && var.GetType() == typeof(PhpArray)) // fast check for PhpArray, not derived types
return ((PhpArray)var).GetArrayItemRef();
// creates a new reference and adds it to an a new array:
if (IsEmptyForEnsure(var))
{
PhpArray array;
var = array = new PhpArray(1, 0);
PhpReference result = new PhpReference();
array.Add(result);
return result;
}
return GetItemRefEpilogue(null, ref var);
}
public PhpReference PeekReference(int i)
{
PhpReference result;
if (ArgCount >= i)
{
// peeks the reference:
result = PeekReferenceUnchecked(i);
// stores the value back to the stack so that user args functions can work with it:
Items[Top - i] = result;
}
else
{
result = new PhpReference();
// warning (can invoke user code => we have to save and restore callstate):
CallState call_state = SaveCallState();
PhpException.MissingArgument(i, CalleeName);
RestoreCallState(call_state);
}
return result;
}
public static void SetItemRef(PhpReference value, string key, ref object var)
{
Debug.Assert(!(var is PhpReference));
Debug.Assert(!(var is PhpArrayString), "ensures and end-of-chain operators only");
PhpArray array;
// PhpArray:
if ((array = var as PhpArray) != null)
{
// a reference in "value" is directly assigned to the array's item:
array.SetArrayItemRef(key, value);
return;
}
// null, empty string or empty string of bytes
if (IsEmptyForEnsure(var))
{
// a reference in "value" is directly assigned to the array's item:
PhpArray var_array = new PhpArray();
var_array.SetArrayItemRef(key, value);
var = var_array;
return;
}
SetItemRefEpilogue(value, key, ref var);
}
/// <summary>
/// Ensures that a property value is of <see cref="PhpArray"/> type.
/// </summary>
/// <param name="obj">The object whose property is to be checked.</param>
/// <param name="name">The property name.</param>
/// <param name="caller"><see cref="Type"/> of the object that request the operation.</param>
/// <param name="propValue">The property value (might get updated).</param>
/// <returns>The new property value (dereferenced) or <B>null</B> if evaluation of this compound
/// statement should not proceed.</returns>
internal static PhpArray EnsurePropertyIsArrayInternal(DObject obj, string name, DTypeDesc caller, ref object propValue)
{
PhpArray result;
PhpReference reference = propValue as PhpReference;
object value;
if (reference != null && !reference.IsSet)
{
// this CT property has been unset
if (obj.TypeDesc.GetMethod(Name.SpecialMethodNames.Set) != null &&
obj.TypeDesc.RealType.Namespace != null &&
obj.TypeDesc.RealType.Namespace.StartsWith(Namespaces.Library))
{
ScriptContext context = ScriptContext.CurrentContext;
// create a chain of arguments to be passed to the setter
context.BeginSetterChain(obj);
context.ExtendSetterChain(new RuntimeChainProperty(name));
return ScriptContext.SetterChainSingletonArray;
}
// try to invoke __get
bool getter_exists;
reference = obj.InvokeGetterRef(name, caller, out getter_exists);
if (!getter_exists)
{
result = new PhpArray();
propValue = new PhpReference(result);
return result;
}
else if (reference == null) return null; // error
value = reference.Value;
}
else value = PhpVariable.Dereference(propValue);
// try to wrap into PhpArray:
object new_value;
var wrappedarray = EnsureObjectIsArray(value, out new_value);
if (wrappedarray != null)
{
if (new_value != null)
{
if (reference != null) reference.Value = new_value;
else propValue = new_value;
}
return wrappedarray;
}
// error - the property is a scalar or a PhpObject:
PhpException.VariableMisusedAsArray(value, false);
return null;
}
public static PhpReference GetPropertyRef(ref object var, string name, DTypeDesc caller, ScriptContext context)
{
Debug.Assert(!(var is PhpReference) && name != null);
DObject obj;
PhpReference result;
// DObject
if ((obj = var as DObject) != null)
return GetObjectPropertyRef(obj, name, caller);
// creates a new stdClass and adds a new property referencing null value
if (IsEmptyForEnsure(var))
{
result = new PhpReference();
stdClass var_object = stdClass.CreateDefaultObject(context);
SetObjectProperty(var_object, name, result, caller);
var = var_object;
return result;
}
// errors - PhpArray, a scalar, string
PhpException.VariableMisusedAsObject(var, true);
return new PhpReference();
}
public static void SetVariableRef(ScriptContext/*!*/ context, Dictionary<string, object> locals,
string/*!*/ name, PhpReference reference)
{
Debug.Assert(name != null);
if (locals != null)
{
locals[name] = reference;
}
else
{
PhpArray globals = context.AutoGlobals.Globals.Value as PhpArray;
if (globals == null)
context.AutoGlobals.Globals.Value = globals = new PhpArray();
globals[name] = reference;
}
}
public static PhpBytes exif_thumbnail(string filename, PhpReference width, PhpReference height)
{
return(exif_thumbnail(filename, width, height, null));
}
public static PhpReference/*!*/ GetItemRef(string key, ref object var)
{
Debug.Assert(!(var is PhpReference));
Debug.Assert(!(var is PhpArrayString), "ensures and end-of-chain operators only");
// PhpArray:
if (var != null && var.GetType() == typeof(PhpArray)) // fast check for PhpArray, not derived types
return ((PhpArray)var).GetArrayItemRef(key);
// creates a new reference and adds it to an a new array:
if (IsEmptyForEnsure(var))
{
PhpArray array;
var = array = new PhpArray(0, 1);
PhpReference result = new PhpReference();
array.SetArrayItemRef(key, result);
return result;
}
return GetItemRefEpilogue(key, ref var);
}
public static PhpArray Map(PHP.Core.Reflection.DTypeDesc caller, PhpCallback map, [PhpRw] params PhpArray[] arrays)
{
if (!PhpArgument.CheckCallback(map, caller, "map", 0, true)) return null;
if (arrays == null || arrays.Length == 0)
{
PhpException.InvalidArgument("arrays", LibResources.GetString("arg:null_or_emtpy"));
return null;
}
// if callback has not been specified uses the default one:
if (map == null)
map = new PhpCallback(new RoutineDelegate(MapIdentity), ScriptContext.CurrentContext);
int count = arrays.Length;
bool preserve_keys = count == 1;
PhpReference[] args = new PhpReference[count];
IEnumerator<KeyValuePair<IntStringKey, object>>[] iterators = new IEnumerator<KeyValuePair<IntStringKey, object>>[count];
PhpArray result;
// initializes iterators and args array, computes length of the longest array:
int max_count = 0;
for (int i = 0; i < arrays.Length; i++)
{
var array = arrays[i];
if (array == null)
{
PhpException.Throw(PhpError.Warning, LibResources.GetString("argument_not_array", i + 2));// +2 (first arg is callback)
return null;
}
args[i] = new PhpReference();
iterators[i] = array.GetEnumerator();
if (array.Count > max_count) max_count = array.Count;
}
// keys are preserved in a case of a single array and re-indexed otherwise:
if (preserve_keys)
result = new PhpArray(arrays[0].IntegerCount, arrays[0].StringCount);
else
result = new PhpArray(max_count, 0);
for (; ; )
{
// fills args[] with items from arrays:
for (int i = 0; i < arrays.Length; i++)
{
if (iterators[i] != null)
{
// an element is available:
if (iterators[i].MoveNext())
{
// note: deep copy is not necessary since a function copies its arguments if needed:
object value = iterators[i].Current.Value;
PhpReference valueref = (value != null) ? value as PhpReference : null;
args[i].Value = (valueref != null) ? valueref.value : value;
//args[i].Value = iterators[i].Current.Value; // TODO: throws if the current Value is PhpReference
}
else
{
// the i-th iterator has stopped:
count--;
iterators[i] = null;
args[i].Value = null;
}
}
}
if (count == 0) break;
// invokes callback:
object return_value = map.Invoke(args);
// return value is not deeply copied:
if (preserve_keys)
result.Add(iterators[0].Current.Key, return_value);
else
result.Add(return_value);
// loads new values (callback may modify some by ref arguments):
for (int i = 0; i < arrays.Length; i++)
{
if (iterators[i] != null)
{
object item = iterators[i].Current.Value;
PhpReference ref_item = item as PhpReference;
if (ref_item != null)
{
ref_item.Value = args[i].Value;
}
else
{
arrays[i][iterators[i].Current.Key] = args[i].Value;
}
}
}
}
return result;
}
private static void SetItemRefEpilogue(PhpReference value, object key, ref object var)
{
// object behaving as array:
DObject dobj = var as DObject;
if (dobj != null && dobj.RealObject is Library.SPL.ArrayAccess)
{
PhpStack stack = ScriptContext.CurrentContext.Stack;
stack.AddFrame(key, value);
dobj.InvokeMethod(Library.SPL.PhpArrayObject.offsetSet, null, stack.Context);
return;
}
// errors - non-empty string, DObject, scalar:
PhpException.VariableMisusedAsArray(var, true);
}
public static bool Bind(PhpResource statement, string parameterName, PhpReference variable, VariableType type)
{
return(Bind(statement, parameterName, variable, type, false, false, -1));
}
/// <summary>
/// Ensures that a property value is of <see cref="DObject"/> type.
/// </summary>
/// <param name="obj">The object whose property is to be checked.</param>
/// <param name="name">The property name.</param>
/// <param name="caller"><see cref="Type"/> of the object that request the operation.</param>
/// <param name="propValue">The property value (might get updated).</param>
/// <param name="context">The current <see cref="ScriptContext"/>.</param>
/// <returns>The new property value (dereferenced) or <B>null</B> if evaluation of this compound
/// statement should not proceed.</returns>
internal static DObject EnsurePropertyIsObjectInternal(DObject obj, string name, DTypeDesc caller, ref object propValue,
ScriptContext context)
{
DObject result;
PhpReference reference = propValue as PhpReference;
object value;
if (reference != null && !reference.IsSet)
{
// this CT property has been unset
if (obj.TypeDesc.GetMethod(Name.SpecialMethodNames.Set) != null &&
obj.TypeDesc.RealType.Namespace != null &&
obj.TypeDesc.RealType.Namespace.StartsWith(Namespaces.Library))
{
// create a chain of arguments to be passed to the setter
context.BeginSetterChain(obj);
context.ExtendSetterChain(new RuntimeChainProperty(name));
return ScriptContext.SetterChainSingletonObject;
}
// try to invoke __get
bool getter_exists;
reference = obj.InvokeGetterRef(name, caller, out getter_exists);
if (!getter_exists)
{
result = stdClass.CreateDefaultObject(context);
propValue = new PhpReference(result);
return result;
}
else if (reference == null) return null; // error
value = reference.Value;
}
else value = PhpVariable.Dereference(propValue);
// if property value is a DObject, nothing has to be done
result = value as DObject;
if (result != null) return result;
// if the property is "empty"?
if (IsEmptyForEnsure(value))
{
// create a new stdClass and update the reference
result = stdClass.CreateDefaultObject(context);
if (reference != null)
{
reference.Value = result;
reference.IsSet = true;
}
else propValue = result;
return result;
}
// error - the property is a scalar or a PhpArray or a non-empty string
PhpException.VariableMisusedAsObject(value, false);
return null;
}
/// <summary>
/// Ensures that a property value is of <see cref="PhpArray"/> type.
/// </summary>
/// <param name="obj">The object whose property is to be checked.</param>
/// <param name="name">The property name.</param>
/// <param name="caller"><see cref="Type"/> of the object that request the operation.</param>
/// <param name="propValue">The property value (might get updated).</param>
/// <returns>The new property value (dereferenced) or <B>null</B> if evaluation of this compound
/// statement should not proceed.</returns>
internal static PhpArray EnsurePropertyIsArrayInternal(DObject obj, string name, DTypeDesc caller, ref object propValue)
{
PhpArray result;
PhpReference reference = propValue as PhpReference;
object value;
if (reference != null && !reference.IsSet)
{
// this CT property has been unset
if (obj.TypeDesc.GetMethod(DObject.SpecialMethodNames.Set) != null &&
obj.TypeDesc.RealType.Namespace != null &&
obj.TypeDesc.RealType.Namespace.StartsWith(Namespaces.Library))
{
ScriptContext context = ScriptContext.CurrentContext;
// create a chain of arguments to be passed to the setter
context.BeginSetterChain(obj);
context.ExtendSetterChain(new RuntimeChainProperty(name));
return ScriptContext.SetterChainSingletonArray;
}
// try to invoke __get
bool getter_exists;
reference = obj.InvokeGetterRef(name, caller, out getter_exists);
if (!getter_exists)
{
result = new PhpArray();
propValue = new PhpReference(result);
return result;
}
else if (reference == null) return null; // error
value = reference.Value;
}
else value = PhpVariable.Dereference(propValue);
// if the property is PhpArray, nothing has to be done
result = value as PhpArray;
if (result != null) return result;
// checks an object behaving like an array:
DObject dobj = value as DObject;
if (dobj != null && dobj.RealObject is Library.SPL.ArrayAccess)
return new Library.SPL.PhpArrayObject(dobj);
// if the property is "empty"
if (IsEmptyForEnsure(value))
{
// create a new PhpArray and update the reference
result = new PhpArray();
if (reference != null)
{
reference.Value = result;
reference.IsSet = true;
}
else propValue = result;
return result;
}
// non-empty immutable string:
string str_value = value as string;
if (str_value != null)
{
PhpString str = new PhpString(str_value);
if (reference != null) reference.Value = str;
else propValue = str;
return new PhpArrayString(str);
}
// non-empty mutable string:
if (value is PhpString || value is PhpBytes)
return new PhpArrayString(value);
// error - the property is a scalar or a PhpObject:
PhpException.VariableMisusedAsArray(value, false);
return null;
}
public static object GetObjectFieldDirect(DObject/*!*/ obj, PhpReference/*!*/ field,
string/*!*/ name, DTypeDesc caller, bool quiet)
{
Debug.Assert(obj != null && field != null && name != null);
if (field.IsSet)
{
return field.Value;
}
else
{
return GetObjectProperty(obj, name, caller, quiet);
}
}
public static int ReadLineFormat(PhpResource handle, string format, PhpReference arg, params PhpReference[] arguments)
{
PhpStream stream = PhpStream.GetValid(handle);
if (stream == null) return -1;
string line = stream.ReadLine(-1, null);
return PhpStrings.ScanFormat(line, format, arg, arguments);
}
public static void SetObjectFieldDirectRef(PhpReference value, DObject/*!*/ obj, ref PhpReference/*!*/ field,
string/*!*/ name, DTypeDesc caller)
{
Debug.Assert(obj != null && field != null && name != null);
if (field.IsSet)
{
field = value;
}
else
{
SetObjectProperty(obj, name, value, caller);
}
}
private DynamicMetaObject /*!*/ FallbackInvokeMember(DynamicMetaObject target /*!*/, DynamicMetaObject /*!*/[] /*!*/ args)
{
// determine run time values and additional restrictions:
DTypeDesc classContext = this._classContext;
string fieldName = this._fieldName;
BindingRestrictions restrictions = BindingRestrictions.GetTypeRestriction(target.Expression, target.LimitType); //target.Restrictions;
int currentArg = 0;
if (!ClassContextIsKnown)
{
Debug.Assert(args.Length > currentArg, "Not enough arguments!");
Debug.Assert(args[currentArg].Value == null || Types.DTypeDesc[0].IsAssignableFrom(args[currentArg].LimitType), "Wrong class context type!");
classContext = (DTypeDesc)args[currentArg].Value;
Debug.Assert(classContext == null || !classContext.IsUnknown, "Class context should be known at run time!");
restrictions = restrictions.Merge(BindingRestrictions.GetInstanceRestriction(args[currentArg].Expression, classContext));
currentArg++;
}
if (IsIndirect)
{
Debug.Assert(args.Length > currentArg, "Not enough arguments!");
Debug.Assert(Types.String[0].IsAssignableFrom(args[currentArg].LimitType), "Wrong field name type!");
fieldName = (string)args[currentArg].Value;
restrictions = restrictions.Merge(
BindingRestrictions.GetExpressionRestriction(
Expression.Equal(
args[currentArg].Expression,
Expression.Constant(fieldName, Types.String[0]))));
currentArg++;
}
//
////Debug.Assert(!(var is PhpReference) && name != null);
Debug.Assert(target.HasValue && target.LimitType != Types.PhpReference[0], "Target should not be PhpReference!");
////if (ReferenceEquals(obj, ScriptContext.SetterChainSingletonObject))
////{
//// ScriptContext.CurrentContext.AbortSetterChain(false);
//// return new PhpReference();
////}
if (WantReference && ReferenceEquals(target.Value, ScriptContext.SetterChainSingletonObject))
{
// GetObjectPropertyRef:
Func <PhpReference> abortSetterChain = () =>
{
ScriptContext.CurrentContext.AbortSetterChain(false);
return(new PhpReference());
};
return(new DynamicMetaObject(
Expression.Call(abortSetterChain.Method),
BindingRestrictions.GetInstanceRestriction(target.Expression, ScriptContext.SetterChainSingletonObject)
));
}
DObject obj;
////// a property of a DObject:
if ((obj = target.Value as DObject) != null)
{
if (obj is ClrObject /*|| obj is IClrValue // IClrValue -> ClrValue<T> -> already in restriction */)
{
// ((DObject)target).RealType == <obj>.RealType
restrictions = restrictions.Merge(
BindingRestrictions.GetInstanceRestriction(
Expression.Property(Expression.Convert(target.Expression, Types.DObject[0]), Properties.DObject_RealType),
obj.RealType));
}
//// return GetObjectProperty(obj, name, caller, quiet);
DPropertyDesc property;
GetMemberResult result = obj.TypeDesc.GetInstanceProperty(new VariableName(fieldName), classContext, out property);
switch (result)
{
case GetMemberResult.OK:
////object value = property.Get(this);
////PhpReference reference = value as PhpReference;
if (property.Member is PhpField || property.Member is PhpVisibleProperty)
{
var realType = property.DeclaringType.RealType;
FieldInfo realField = (property.Member is PhpField) ? property.PhpField.RealField : null;
PropertyInfo realProperty = (property.Member is PhpVisibleProperty) ? ((PhpVisibleProperty)property.Member).RealProperty : null;
Debug.Assert(realField != null ^ realProperty != null);
MemberExpression getter = null;
if (realField != null)
{
getter = Expression.Field(Expression.Convert(target.Expression, realType), realField);
}
else if (realProperty != null)
{
getter = Expression.Property(Expression.Convert(target.Expression, realType), realProperty);
}
if (Types.PhpReference[0].IsAssignableFrom(getter.Type))
{
var reference = Expression.Variable(Types.PhpReference[0]);
var assignment = Expression.Assign(reference, getter);
if (WantReference)
{
////value = property.Get(this);
////reference = value as PhpReference;
var returnLabel = Expression.Label(this._returnType);
////if (reference != null && reference.IsSet)
////{
//// reference.IsAliased = true;
//// return reference;
////}
var isset = Expression.IfThen(
Expression.Property(assignment, Properties.PhpReference_IsSet),
Expression.Block(
Expression.Assign(Expression.Property(reference, Properties.PhpReference_IsAliased), Expression.Constant(true)),
Expression.Return(returnLabel, reference)));
////// the CT property has been unset -> try to invoke __get
////PhpReference get_ref = InvokeGetterRef(name, caller, out getter_exists);
////if (getter_exists) return (get_ref == null ? new PhpReference() : get_ref);
////if (reference == null)
////{
//// reference = new PhpReference(value);
//// property.Set(this, reference);
////}
////else
////{
//// reference.IsAliased = true;
//// reference.IsSet = true;
////}
Func <DObject, string, DTypeDesc, PhpReference, PhpReference> notsetOperation = (self, name, caller, refrnc) =>
{
bool getter_exists;
// the CT property has been unset -> try to invoke __get
PhpReference get_ref = self.InvokeGetterRef(name, caller, out getter_exists);
if (getter_exists)
{
return(get_ref ?? new PhpReference());
}
Debug.Assert(refrnc != null);
refrnc.IsAliased = true;
refrnc.IsSet = true;
return(refrnc);
};
////return reference;
return(new DynamicMetaObject(
Expression.Block(this._returnType,
new[] { reference },
new Expression[] {
isset,
Expression.Label(returnLabel,
Expression.Call(null, notsetOperation.Method, Expression.Convert(target.Expression, Types.DObject[0]), Expression.Constant(fieldName), Expression.Constant(classContext, Types.DTypeDesc[0]), reference))
}),
restrictions));
}
else
{
////if (reference != null && !reference.IsSet)
////{
//// // the property is CT but has been unset
//// if (issetSemantics)
//// {
//// bool handled;
//// return PropertyIssetHandler(name, caller, out handled);
//// }
//// else return GetRuntimeField(name, caller);
////}
////else return value;
Func <DObject, string, DTypeDesc, object> notsetOperation;
if (_issetSemantics)
{
notsetOperation = (self, name, caller) =>
{
return(PhpVariable.Dereference(self.GetRuntimeField(name, caller)));
}
}
;
else
{
notsetOperation = (self, name, caller) =>
{
bool handled;
return(PhpVariable.Dereference(self.PropertyIssetHandler(name, caller, out handled)));
}
};
var value =
Expression.Block(this._returnType,
new[] { reference },
Expression.Condition(
Expression.Property(assignment, Properties.PhpReference_IsSet),
Expression.Field(reference, Fields.PhpReference_Value),
Expression.Call(null, notsetOperation.Method, Expression.Convert(target.Expression, Types.DObject[0]), Expression.Constant(fieldName), Expression.Constant(classContext, Types.DTypeDesc[0]))
));
return(new DynamicMetaObject(value, restrictions));
}
}
else
{
if (WantReference)
{
return(new DynamicMetaObject(
Expression.New(Constructors.PhpReference_Object, Expression.Convert(getter, Types.Object[0])),
restrictions));
}
else
{
return(new DynamicMetaObject(
Expression.Call(Methods.PhpVariable.Dereference, Expression.Convert(getter, Types.Object[0])),
restrictions));
}
}
}
else if (property.Member is ClrProperty)
{
var realType = property.DeclaringType.RealType;
var realProperty = property.ClrProperty.RealProperty;
// (target.{RealObject|realValue}).<realProperty>
Expression value = Expression.Convert(
BinderHelper.ClrObjectWrapDynamic(
Expression.Property(
BinderHelper.ClrRealObject(target, realType),
realProperty)),
Types.Object[0]);
if (WantReference)
{
value = BinderHelper.MakePhpReference(value);
}
return(new DynamicMetaObject(value, restrictions));
}
else if (property.Member is ClrField)
{
var realType = property.DeclaringType.RealType;
var realField = property.ClrField.FieldInfo;
// (target.{RealObject|realValue}).<realField>
Expression value = Expression.Convert(
BinderHelper.ClrObjectWrapDynamic(
Expression.Field(
BinderHelper.ClrRealObject(target, realType),
realField)),
Types.Object[0]);
if (WantReference)
{
value = BinderHelper.MakePhpReference(value);
}
return(new DynamicMetaObject(value, restrictions));
}
else if (property.Member is ClrEvent)
{
var clrEvent = (ClrEvent)property.Member;
var realType = property.DeclaringType.RealType;
// emit stub that Wraps event as [ ClrEventObject<handlerType>.Wrap(<SC>, <event name>, <addMethod>, <removeMethod>) ]
var stub = new System.Reflection.Emit.DynamicMethod(
string.Format("event<{0}>", fieldName),
Types.DObject[0], new[] { realType }, realType);
var il = new ILEmitter(stub);
clrEvent.EmitGetEventObject(
il,
new Place(null, Properties.ScriptContext_CurrentContext),
new IndexedPlace(PlaceHolder.Argument, 0),
false);
il.Emit(System.Reflection.Emit.OpCodes.Ret);
Expression value = Expression.Call(stub, BinderHelper.ClrRealObject(target, realType));
if (WantReference)
{
value = BinderHelper.MakePhpReference(value);
}
return(new DynamicMetaObject(value, restrictions));
}
else
{
throw new NotImplementedException();
}
case GetMemberResult.NotFound:
if (WantReference)
{
Func <DObject, string, DTypeDesc, PhpReference> op = (self, name, caller) =>
{
PhpReference reference;
bool getter_exists;
// search in RT fields
if (self.RuntimeFields != null && self.RuntimeFields.ContainsKey(name))
{
var namekey = new IntStringKey(name);
return(self.RuntimeFields.table._ensure_item_ref(ref namekey, self.RuntimeFields));
}
// property is not present -> try to invoke __get
reference = self.InvokeGetterRef(name, caller, out getter_exists);
if (getter_exists)
{
return((reference == null) ? new PhpReference() : reference);
}
// (no notice/warning/error thrown by PHP)
// add the field
reference = new PhpReference();
if (self.RuntimeFields == null)
{
self.RuntimeFields = new PhpArray();
}
self.RuntimeFields[name] = reference;
return(reference);
};
return(new DynamicMetaObject(
Expression.Call(null, op.Method, Expression.Convert(target.Expression, Types.DObject[0]), Expression.Constant(fieldName), Expression.Constant(classContext, Types.DTypeDesc[0])),
restrictions));
}
else
{
////if (issetSemantics)
////{
//// OrderedHashtable<string>.Element element;
//// if (RuntimeFields != null && (element = RuntimeFields.GetElement(name)) != null)
//// {
//// return element.Value;
//// }
//// else
//// {
//// bool handled;
//// return PropertyIssetHandler(name, caller, out handled);
//// }
////}
////else return GetRuntimeField(name, caller);
if (_issetSemantics)
{
Func <DObject, string, DTypeDesc, object> notsetOperation = (self, name, caller) =>
{
if (self.RuntimeFields != null)
{
object value;
if (self.RuntimeFields.TryGetValue(name, out value))
{
return(value);
}
}
bool handled;
return(self.PropertyIssetHandler(name, caller, out handled));
};
return(new DynamicMetaObject(
Expression.Call(Methods.PhpVariable.Dereference,
Expression.Call(null, notsetOperation.Method, Expression.Convert(target.Expression, Types.DObject[0]), Expression.Constant(fieldName), Expression.Constant(classContext, Types.DTypeDesc[0]))),
restrictions));
}
else
{
return(new DynamicMetaObject(
Expression.Call(
Methods.PhpVariable.Dereference,
Expression.Call(
Expression.Convert(target.Expression, Types.DObject[0]),
Methods.DObject_GetRuntimeField, Expression.Constant(fieldName), Expression.Constant(classContext, Types.DTypeDesc[0]))),
restrictions));
};
}
case GetMemberResult.BadVisibility:
{
////PhpException.PropertyNotAccessible(
//// property.DeclaringType.MakeFullName(),
//// name.ToString(),
//// (caller == null ? String.Empty : caller.MakeFullName()),
//// property.IsProtected);
string stringResourceKey = property.IsProtected ? "protected_property_accessed" : "private_property_accessed";
return(new DynamicMetaObject(
Expression.Block(this._returnType,
Expression.Call(null, Methods.PhpException.Throw,
Expression.Constant(PhpError.Error, Types.PhpError_String[0]),
Expression.Constant(CoreResources.GetString(stringResourceKey, property.DeclaringType.MakeFullName(), fieldName, (classContext == null ? String.Empty : classContext.MakeFullName())))),
WantReference ? (Expression)Expression.New(Constructors.PhpReference_Void) : Expression.Constant(null)
),
restrictions));
}
}
}
////// warnings:
////if (!quiet) // not in isset() operator only
////{
if (!_issetSemantics)
{
//// if (PhpVariable.IsEmpty(var))
//// // empty:
//// PhpException.Throw(PhpError.Notice, CoreResources.GetString("empty_used_as_object"));
//// else
//// // PhpArray, string, scalar type:
//// PhpException.VariableMisusedAsObject(var, false);
Action <object> error = (var) =>
{
if (PhpVariable.IsEmpty(var))
{
// empty:
PhpException.Throw(PhpError.Notice, CoreResources.GetString("empty_used_as_object"));
}
else
{
// PhpArray, string, scalar type:
PhpException.VariableMisusedAsObject(var, false);
}
};
return(new DynamicMetaObject(
Expression.Block(this._returnType,
Expression.Call(error.Method, target.Expression),
WantReference ? (Expression)Expression.New(Constructors.PhpReference_Void) : Expression.Constant(null)),
(target.HasValue && target.Value == null) ?
BindingRestrictions.GetInstanceRestriction(target.Expression, null) :
BindingRestrictions.GetTypeRestriction(target.Expression, target.LimitType)));
}
////}
////// property does not exist
////return null;
return(new DynamicMetaObject(
Expression.Constant(null),
(target.HasValue && target.Value == null) ?
BindingRestrictions.GetInstanceRestriction(target.Expression, null) :
BindingRestrictions.GetTypeRestriction(target.Expression, target.LimitType)));
}
public static int ParseIntoStruct(NamingContext /*!*/ namingContext, DTypeDesc caller, PhpResource parser, string data, PhpReference values, PhpReference index)
{
if (values == null)
{
PhpException.Throw(PhpError.Warning, "values argument should not be null");
return(0);
}
values.Value = new PhpArray();
if (index != null)
{
index.Value = new PhpArray();
}
XmlParserResource xmlParser = parser as XmlParserResource;
if (xmlParser != null)
{
return(xmlParser.ParseIntoStruct(caller, namingContext, data, (PhpArray)values.Value, index != null ? (PhpArray)index.Value : null) ? 1 : 0);
}
PhpException.Throw(PhpError.Warning, "parser argument should contain valid XML parser");
return(0);
}
private static PhpArray getimagesize(Stream stream, PhpReference imageinfo)
{
PhpArray exif;
PhpArray result = GetImageSize(stream, imageinfo != null, out exif);
if (imageinfo != null) imageinfo.value = exif ?? new PhpArray();
return result;
}
public static object Reduce(PHP.Core.Reflection.DTypeDesc caller, [PhpRw] PhpArray array, PhpCallback function, [PhpDeepCopy] object initialValue)
{
if (array == null) { PhpException.ReferenceNull("array"); return null; }
if (!PhpArgument.CheckCallback(function, caller, "function", 0, false)) return null;
if (array.Count == 0) return initialValue;
object[] args = new object[] { initialValue, null };
PhpReference holder = new PhpReference();
foreach (KeyValuePair<IntStringKey, object> entry in array)
{
object item = entry.Value;
PhpReference ref_item = item as PhpReference;
// array item is a reference:
if (ref_item != null)
{
args[1] = item;
args[0] = function.Invoke(args);
}
else
{
// array item is not a reference:
holder.Value = item;
args[1] = holder;
args[0] = function.Invoke(args);
// updates an item if it has been changed:
if (item != holder.Value)
array[entry.Key] = holder.Value;
}
}
// dereferences the last returned value:
return PhpVariable.Dereference(args[0]);
}
public static void f0(PhpReference arg)
{
PhpVariable.Dump(arg.value);
arg.value = "hello";
}
private static void WriteAutoGlobal(TextWriter output, ScriptContext context, string name, PhpReference autoglobal)
{
PhpArray array;
if ((array = autoglobal.Value as PhpArray) != null)
{
foreach (KeyValuePair<IntStringKey, object> entry in array)
HtmlVarRow(output, name, entry.Key.Object, entry.Value);
}
}
/// <summary>
/// Start listing of a directory (intended to be used from C#).
/// </summary>
/// <param name="directory">The path to the directory.</param>
public Directory(string directory)
: this(ScriptContext.CurrentContext, true)
{
this.path = new PhpReference(directory);
this.handle = new PhpReference(PhpDirectory.Open(directory));
}
