/// <summary>
/// Performs bitwise negation.
/// </summary>
internal static PhpValue BitNot(ref PhpValue x)
{
switch (x.TypeCode)
{
case PhpTypeCode.Long: return PhpValue.Create(~x.Long);
case PhpTypeCode.Int32: return PhpValue.Create(~x.ToLong());
case PhpTypeCode.Alias: return BitNot(ref x.Alias.Value);
case PhpTypeCode.String:
case PhpTypeCode.WritableString:
throw new NotImplementedException(); // bitwise negation of each character in string
case PhpTypeCode.Object:
if (x.Object == null)
{
return PhpValue.Null;
}
goto default;
default:
// TODO: Err UnsupportedOperandTypes
return PhpValue.Null;
}
}
/// <summary>
/// Constructs the object with single runtime field <c>scalar</c>.
/// </summary>
/// <param name="scalar">Value of <c>scalar</c> field.</param>
internal stdClass(PhpValue scalar)
{
__peach__runtimeFields = new PhpArray(1)
{
{ new IntStringKey("scalar"), scalar }
};
}
/// <summary>
/// Creates an aliased value.
/// </summary>
public PhpAlias(PhpValue value, int refcount = 1)
{
Debug.Assert(refcount >= 1);
Debug.Assert(value.TypeCode != PhpTypeCode.Alias);
Value = value;
_refcount = refcount;
}
/// <summary>
/// Performs bitwise or operation.
/// </summary>
internal static PhpValue BitOr(ref PhpValue x, ref PhpValue y)
{
var xtype = x.TypeCode;
if (xtype == PhpTypeCode.String || xtype == PhpTypeCode.WritableString)
{
var ytype = y.TypeCode;
if (ytype == PhpTypeCode.String || ytype == PhpTypeCode.WritableString)
{
throw new NotImplementedException();
}
}
//
return PhpValue.Create(x.ToLong() | y.ToLong());
}
/// <summary>
/// Calls a function or a method defined by callback with arguments stored in an array.
/// </summary>
/// <param name="ctx">Current runtime context.</param>
/// <param name="function">Target callback.</param>
/// <param name="args">Arguments. Can be null.</param>
/// <returns>The returned value.</returns>
public static PhpValue call_user_func_array(Context ctx, IPhpCallable function, PhpArray args)
{
PhpValue[] args_array;
if (args != null && args.Count != 0)
{
args_array = new PhpValue[args.Count];
args.CopyValuesTo(args_array, 0);
}
else
{
args_array = Core.Utilities.ArrayUtils.EmptyValues;
}
return call_user_func(ctx, function, args_array);
}
public static TextElement FromValue(Context ctx, PhpValue value)
{
switch (value.TypeCode)
{
case PhpTypeCode.Object:
if (value.Object is byte[])
{
return new TextElement((byte[])value.Object);
}
goto default;
case PhpTypeCode.WritableString:
return new TextElement(value.WritableString, ctx.StringEncoding);
default:
return new TextElement(value.ToStringOrThrow(ctx));
}
}
public static int Compare(string sx, PhpValue y)
{
switch (y.TypeCode)
{
case PhpTypeCode.Double: return Compare(sx, y.Double);
case PhpTypeCode.Long: return Compare(sx, y.Long);
case PhpTypeCode.Boolean: return Compare(Convert.ToBoolean(sx), y.Boolean);
case PhpTypeCode.String: return Compare(sx, y.String);
case PhpTypeCode.WritableString: return Compare(sx, y.WritableString.ToString());
case PhpTypeCode.Alias: return Compare(sx, y.Alias.Value);
case PhpTypeCode.Undefined: return (sx.Length == 0) ? 0 : 1;
case PhpTypeCode.Object:
if (y.Object == null) return (sx.Length == 0) ? 0 : 1;
break;
}
throw new NotImplementedException($"compare(String, {y.TypeCode})");
}
public static int Compare(double dx, PhpValue y)
{
switch (y.TypeCode)
{
case PhpTypeCode.Double: return Compare(dx, y.Double);
case PhpTypeCode.Long: return Compare(dx, (double)y.Long);
case PhpTypeCode.Boolean: return Compare(dx != 0.0, y.Boolean);
case PhpTypeCode.String: return -Compare(y.String, dx);
case PhpTypeCode.WritableString: return -Compare(y.WritableString.ToString(), dx);
case PhpTypeCode.Alias: return Compare(dx, y.Alias.Value);
case PhpTypeCode.Undefined: return (dx == 0.0) ? 0 : 1;
case PhpTypeCode.Object:
if (y.Object == null) return (dx == 0.0) ? 0 : 1;
break;
}
throw new NotImplementedException($"compare(Double, {y.TypeCode})");
}
int ProcessStatus(Context ctx, ref PhpValue status)
{
switch (status.TypeCode)
{
case PhpTypeCode.Alias:
return ProcessStatus(ctx, ref status.Alias.Value);
case PhpTypeCode.Long:
case PhpTypeCode.Int32:
return (int)status.ToLong();
default:
if (ctx != null)
{
ctx.Echo(status);
}
return 0;
}
}
/// <summary>
/// Tries to get a global constant from current context.
/// </summary>
internal bool TryGetConstant(string name, out PhpValue value, ref int idx)
{
value = _constants.GetConstant(name, ref idx);
return(value.IsSet);
}
/// <summary> /// Debug textual representation of the value. /// </summary> public abstract string DisplayString(ref PhpValue me);
/// <summary> /// Gets value as a callable object that can be invoked dynamically. /// </summary> public static IPhpCallable AsCallable(PhpValue value, RuntimeTypeHandle callerCtx, object callerObj) => value.AsCallable(callerCtx, callerObj);
static PhpValue preg_replace(Context ctx, string pattern, string replacement, PhpCallable callback, PhpValue subject, int limit, ref long count)
{
var regex = new PerlRegex.Regex(pattern);
// TODO: count
// TODO: callback
var subject_array = subject.AsArray();
if (subject_array == null)
{
return PhpValue.Create(regex.Replace(subject.ToStringOrThrow(ctx), replacement, limit));
}
else
{
var arr = new PhpArray(subject_array, false);
var enumerator = arr.GetFastEnumerator();
while (enumerator.MoveNext())
{
var newvalue = regex.Replace(enumerator.CurrentValue.ToStringOrThrow(ctx), replacement, limit);
enumerator.CurrentValue = PhpValue.Create(newvalue);
}
return PhpValue.Create(arr);
}
}
//class HtmlDumpFormatter : DumpFormatter
//{
//}
#endregion
/// <summary>
/// Outputs or returns human-readable information about a variable.
/// </summary>
/// <param name="ctx">Current runtime context.</param>
/// <param name="value">The variable.</param>
/// <param name="returnString">Whether to return a string representation.</param>
/// <returns>A string representation or <c>true</c> if <paramref name="returnString"/> is <c>false</c>.</returns>
public static PhpValue print_r(Context ctx, PhpValue value, bool returnString = false)
{
var output = (new PrintFormatter(ctx, "\n")).Serialize(value);
if (returnString)
{
// output to a string:
return PhpValue.Create(output);
}
else
{
// output to script context:
ctx.Echo(output);
return PhpValue.True;
}
}
/// <summary>
/// Checks whether a dereferenced variable is numeric.
/// </summary>
/// <param name="variable">The variable.</param>
/// <returns>Whether <paramref name="variable"/> is integer, double or numeric string.
/// <seealso cref="PHP.Core.Convert.StringToNumber"/></returns>
public static bool is_numeric(PhpValue variable)
{
switch (variable.TypeCode)
{
case PhpTypeCode.Int32:
case PhpTypeCode.Long:
case PhpTypeCode.Double:
return true;
case PhpTypeCode.String:
case PhpTypeCode.WritableString:
PhpNumber tmp;
return (variable.ToNumber(out tmp) & Core.Convert.NumberInfo.IsNumber) != 0;
default:
return false;
}
}
/// <summary> /// Converts given value to a class object. /// </summary> public static object ToClass(PhpValue value) => value.ToClass();
/// <summary> /// Casts value to <see cref="PhpArray"/> or <c>null</c>. /// </summary> public static PhpArray AsArray(PhpValue value) => value.AsArray();
/// <summary> /// Converts value to an array. /// </summary> public static PhpArray ToArray(PhpValue value) => value.ToArray();
/// <summary> /// Gets underlaying class instance or <c>null</c>. /// </summary> public static object AsObject(PhpValue value) => value.AsObject();
/// <summary> /// Creates an instance of a type dynamically with constructor overload resolution. /// </summary> /// <param name="classname">Full name of the class to instantiate. The name uses PHP syntax of name separators (<c>\</c>) and is case insensitive.</param> /// <param name="arguments">Arguments to be passed to the constructor.</param> /// <returns>Object instance or <c>null</c> if class is not declared.</returns> public object Create(string classname, params object[] arguments) => Create(classname, PhpValue.FromClr(arguments));
/// <summary> /// Call a function by its name dynamically. /// </summary> /// <param name="function">Function name valid within current runtime context.</param> /// <param name="arguments">Arguments to be passed to the function call.</param> /// <returns>Returns value given from the function call.</returns> public PhpValue Call(string function, params object[] arguments) => PhpCallback.Create(function, default(RuntimeTypeHandle)).Invoke(this, PhpValue.FromClr(arguments));
/// <summary> /// Gets value as a callable object that can be invoked dynamically. /// </summary> public static IPhpCallable AsCallable(PhpValue value, RuntimeTypeHandle callerCtx) => value.AsCallable(callerCtx);
/// <summary> /// Checks whether a dereferenced variable is a <B>null</B> reference. /// </summary> /// <param name="variable">The variable.</param> /// <returns>Whether <paramref name="variable"/> is a <B>null</B> reference.</returns> public static bool is_null(PhpValue variable) => variable.IsNull;
/// <summary> /// Tries conversion to an array key. /// </summary> public static bool TryToIntStringKey(PhpValue value, out IntStringKey key) => value.TryToIntStringKey(out key);
/// <summary>
/// Verifies that the contents of a variable can be called as a function.
/// </summary>
/// <param name="ctx">Current runtime context.</param>
/// <param name="variable">The variable.</param>
/// <param name="syntaxOnly">If <B>true</B>, it is only checked that has <pararef name="variable"/>
/// a valid structure to be used as a callback. if <B>false</B>, the existence of the function (or
/// method) is also verified.</param>
/// <param name="callableName">Receives the name of the function or method (for example
/// <c>SomeClass::SomeMethod</c>).</param>
/// <returns><B>true</B> if <paramref name="variable"/> denotes a function, <B>false</B>
/// otherwise.</returns>
public static bool is_callable(Context ctx /*, caller*/, PhpValue variable, bool syntaxOnly, out string callableName)
{
var callback = variable.AsCallable();
if (PhpVariable.IsValidCallback(callback))
{
callableName = callback.ToString();
return true;
}
callableName = variable.ToString(ctx);
return false;
}
static void AddScriptReference(Assembly assembly)
{
if (assembly == null)
{
throw new ArgumentNullException(nameof(assembly));
}
// remember the assembly for class map:
s_assClassMap.AddPhpAssemblyNoLock(assembly);
// reflect the module for imported symbols:
var module = assembly.ManifestModule;
// PhpPackageReferenceAttribute
foreach (var r in module.GetCustomAttributes <PhpPackageReferenceAttribute>())
{
Context.AddScriptReference(r.ScriptType);
}
// ImportPhpTypeAttribute
foreach (var t in module.GetCustomAttributes <ImportPhpTypeAttribute>())
{
TypesTable.DeclareAppType(PhpTypeInfoExtension.GetPhpTypeInfo(t.ImportedType));
}
// ImportPhpFunctionsAttribute
foreach (var t in module.GetCustomAttributes <ImportPhpFunctionsAttribute>())
{
// TODO: remember the container, do not reflect repetitiously
foreach (var m in t.ContainerType.GetMethods())
{
if (m.IsPublic && m.IsStatic && !m.IsPhpHidden())
{
RoutinesTable.DeclareAppRoutine(m.Name, m);
}
}
}
// ImportPhpConstantsAttribute
foreach (var t in module.GetCustomAttributes <ImportPhpConstantsAttribute>())
{
// TODO: remember the container, do not reflect repetitiously
foreach (var m in t.ContainerType.GetMembers(BindingFlags.Static | BindingFlags.Public))
{
if (m is FieldInfo fi && !fi.IsPhpHidden())
{
Debug.Assert(fi.IsStatic && fi.IsPublic);
if (fi.IsInitOnly || fi.IsLiteral)
{
ConstsMap.DefineAppConstant(fi.Name, PhpValue.FromClr(fi.GetValue(null)));
}
else
{
ConstsMap.DefineAppConstant(fi.Name, new Func <PhpValue>(() => PhpValue.FromClr(fi.GetValue(null))));
}
}
public static PhpValue preg_replace(Context ctx, PhpValue pattern, PhpValue replacement, PhpValue subject, int limit = -1)
{
long count;
return preg_replace(ctx, pattern, replacement, subject, limit, out count);
}
/// <summary> /// Defines a runtime constant. /// </summary> public bool DefineConstant(string name, PhpValue value, bool ignorecase = false) => _constants.DefineConstant(name, value, ignorecase);
/// <summary>
/// Add a value to the end of array.
/// Value can be an alias.
/// </summary>
void IPhpArray.AddValue(PhpValue value) { throw new NotSupportedException(); }
void IConstantsComposition.Define(string name, PhpValue value) => DefineConstant(name, value, ignorecase: false);
/// <summary> /// Outputs current value to the <see cref="Context.Output"/> or <see cref="Context.OutputStream"/>. /// </summary> public abstract void Output(ref PhpValue me, Context ctx);
/// <summary> /// Checks whether a dereferenced variable is double. /// Alias for is_float(). /// </summary> /// <param name="variable">The variable.</param> /// <returns>Whether <paramref name="variable"/> is double.</returns> public static bool is_double(PhpValue variable) => variable.TypeCode == PhpTypeCode.Double;
/// <summary> /// Defines a runtime constant. /// </summary> internal bool DefineConstant(string name, PhpValue value, ref int idx, bool ignorecase = false) => _constants.DefineConstant(name, value, ref idx, ignorecase);
/// <summary> /// Checks whether a dereferenced variable is string. /// </summary> /// <param name="variable">The variable.</param> /// <returns>Whether <paramref name="variable"/> is string.</returns> public static bool is_string(PhpValue variable) => variable.TypeCode == PhpTypeCode.String || variable.TypeCode == PhpTypeCode.WritableString;
// TODO: static AddScript(string path, MainDelegate @delegate)
#endregion
#region Constants
/// <summary>
/// Tries to get a global constant from current context.
/// </summary>
public bool TryGetConstant(string name, out PhpValue value)
{
int idx = 0;
return(TryGetConstant(name, out value, ref idx));
}
/// <summary>
/// Checks whether a dereferenced variable is <see cref="Core.Reflection.DObject"/>.
/// </summary>
/// <param name="variable">The variable.</param>
/// <returns>Whether <paramref name="variable"/> is <see cref="Core.Reflection.DObject"/>.</returns>
public static bool is_object(PhpValue variable)
=> variable.IsObject && variable.Object != null && !(variable.Object is __PHP_Incomplete_Class);
/// <summary>
/// Flushes data on current level of buffering to the sinks or to the previous level.
/// The current level clean up MUST follow this method's call.
/// </summary>
internal void InternalFlush()
{
Debug.Assert(_level != null);
if (_level.filter == null)
{
if (_level.Index == 0)
{
// TODO: PhpString buffers
// NOTE: avoid calling non-async on ASP.NET Core 3.0; consider changing to async
// writes top-level data to sinks:
for (int i = 0; i < _level.buffers.Count; i++)
{
var element = _level.buffers[i];
if (element.data is char[] chars)
{
_charSink.Write(chars, 0, element.size);
}
else
{
_byteSink
.WriteAsync((byte[])element.data, 0, element.size)
.GetAwaiter()
.GetResult();
}
}
}
else
{
// joins levels (data are not copied => the current level MUST be cleaned up after the return from this method):
if (_level.size > 0)
{
var lower_level = _levels[_level.Index - 1];
lower_level.buffers.AddRange(_level.buffers);
lower_level.size += _level.size;
lower_level.freeSpace = _level.freeSpace; // free space in the last buffer of the level
lower_level.containsByteData |= _level.containsByteData;
lower_level.containsCharData |= _level.containsCharData;
}
}
}
else
{
// gets data from user's callback:
var data = _level.filter.Invoke(_ctx, GetContent(), PhpValue.Create((int)(ChunkPosition.First | ChunkPosition.Middle | ChunkPosition.Last)));
if (!data.IsEmpty)
{
var bytes = data.AsBytesOrNull(_ctx);
// writes data to the current level of buffering or to sinks depending on the level count:
if (_level.Index == 0)
{
// checks whether the filtered data are binary at first; if not so, converts them to a string:
if (bytes != null)
{
_byteSink.Write(bytes);
}
else
{
// TODO: PhpString containing both string and byte[]
_charSink.Write(data.ToString(_ctx));
}
}
else
{
// temporarily decreases the level of buffering toredirect writes to the lower level:
var old_level = _level;
_level = _levels[_level.Index - 1];
// checks whether the filtered data are binary at first; if not so, converts them to a string:
if (bytes != null)
{
Stream.Write(bytes);
}
else
{
// TODO: PhpString containing both string and byte[]
this.Write(data.ToString(_ctx));
}
// restore the level of buffering:
_level = old_level;
}
}
}
}
void IConstantsComposition.Define(string name, PhpValue value, bool ignoreCase) => DefineConstant(name, value, ignoreCase);
/// <summary> /// Checks whether a dereferenced variable is double. /// </summary> /// <param name="variable">The variable.</param> /// <returns>Whether <paramref name="variable"/> is double.</returns> public static bool is_float(PhpValue variable) => is_double(variable);
public PhpHashEntryDebugView(IntStringKey key, PhpValue value)
{
_key = key;
_value = value;
}
/// <summary> /// Checks whether a dereferenced variable is double. /// Alias for is_float(). /// </summary> /// <param name="variable">The variable.</param> /// <returns>Whether <paramref name="variable"/> is double.</returns> public static bool is_real(PhpValue variable) => is_double(variable);
/// <summary> /// Gets <see cref="IPhpArray"/> instance providing access to the value with array operators. /// Returns <c>null</c> if underlaying value does provide array access. /// </summary> public virtual IPhpArray GetArrayAccess(ref PhpValue me) => null;
/// <summary> /// Checks whether a dereferenced variable is an <see cref="PhpArray"/>. /// </summary> /// <param name="variable">The variable.</param> /// <returns>Whether <paramref name="variable"/> is <see cref="PhpArray"/>.</returns> public static bool is_array(PhpValue variable) => variable.IsArray;
/// <summary> /// Accesses the value as an array and gets item at given index. /// Gets <c>void</c> value in case the key is not found. /// </summary> public virtual PhpValue GetArrayItem(ref PhpValue me, PhpValue index, bool quiet) => PhpValue.Null;
/// <summary>
/// Checks whether a dereferenced variable is a valid <see cref="PhpResource"/>.
/// </summary>
/// <param name="variable">The variable.</param>
/// <returns>Whether <paramref name="variable"/> is a valid <see cref="PhpResource"/>.</returns>
public static bool is_resource(PhpValue variable)
{
//PhpResource res = variable as PhpResource;
//return res != null && res.IsValid;
throw new NotImplementedException();
}
/// <summary> /// Accesses the value as an array and gets item at given index. /// Gets empty value in case the key is not found. /// </summary> public virtual PhpAlias EnsureItemAlias(ref PhpValue me, PhpValue index, bool quiet) => new PhpAlias(PhpValue.Null);
/// <summary> /// Checks whether a dereferenced variable is a scalar. /// </summary> /// <param name="variable">The variable.</param> /// <returns>Whether <paramref name="variable"/> is an integer, a double, a bool or a string after dereferencing.</returns> public static bool is_scalar(PhpValue variable) => PhpVariable.IsScalar(variable);
/// <summary> /// Converts value to an array. /// </summary> public abstract PhpArray ToArray(ref PhpValue me);
/// <summary>
/// Verifies that the contents of a variable can be called as a function.
/// </summary>
/// <param name="variable">The variable.</param>
/// <param name="syntaxOnly">If <B>true</B>, it is only checked that has <pararef name="variable"/>
/// a valid structure to be used as a callback. if <B>false</B>, the existence of the function (or
/// method) is also verified.</param>
/// <returns><B>true</B> if <paramref name="variable"/> denotes a function, <B>false</B>
/// otherwise.</returns>
public static bool is_callable(PhpValue variable, bool syntaxOnly = false)
{
return PhpVariable.IsValidCallback(variable.AsCallable()); // TODO: check syntaxOnly || can be bound
}
/// <summary> /// Gets <see cref="PhpArray"/> or throws an exception. /// </summary> public virtual PhpArray GetArray(ref PhpValue me) => throw new InvalidCastException();
public PhpString Serialize(PhpValue value)
{
_output = new PhpString();
_indent = 0;
//
Accept(value);
_output.Append(_nl);
return _output;
}
/// <summary> /// Gets underlaying class instance or <c>null</c>. /// </summary> public virtual object AsObject(ref PhpValue me) => null;
/// <summary>
/// Outputs or returns a pars-able string representation of a variable.
/// </summary>
/// <param name="ctx">Current runtime context.</param>
/// <param name="variable">The variable.</param>
/// <param name="returnString">Whether to return a string representation.</param>
/// <returns>A string representation or a <c>null</c> reference if <paramref name="returnString"/> is <c>false</c>.</returns>
public static string var_export(Context ctx, PhpValue variable, bool returnString = false)
{
var output = (new ExportFormatter(ctx, "\n")).Serialize(variable);
if (returnString)
{
// output to a string:
return output.ToString(ctx);
}
else
{
// output to script context:
ctx.Echo(output);
return null;
}
}
/// <summary> /// Gets callable wrapper for dynamic object invocation. /// </summary> /// <param name="me"></param> /// <param name="callerCtx">Current caller type.</param> /// <returns>Instance of a callable object, cannot be <c>null</c>, can be invalid.</returns> public virtual IPhpCallable AsCallable(ref PhpValue me, RuntimeTypeHandle callerCtx) => PhpCallback.CreateInvalid();
/// <summary>
/// Perform a regular expression search and replace.
/// </summary>
/// <param name="ctx">A reference to current context. Cannot be <c>null</c>.</param>
/// <param name="pattern">The pattern to search for. It can be either a string or an array with strings.</param>
/// <param name="replacement">The string or an array with strings to replace.
/// If this parameter is a string and the pattern parameter is an array, all patterns will be
/// replaced by that string. If both pattern and replacement parameters are arrays, each pattern will be
/// replaced by the replacement counterpart. If there are fewer elements in the replacement array than
/// in the pattern array, any extra patterns will be replaced by an empty string.</param>
/// <param name="subject">The string or an array with strings to search and replace.
/// If subject is an array, then the search and replace is performed on every entry of subject, and the return value is an array as well.</param>
/// <param name="limit">The maximum possible replacements for each pattern in each subject string. Defaults to <c>-1</c> (no limit).</param>
/// <param name="count">This variable will be filled with the number of replacements done.</param>
/// <returns></returns>
public static PhpValue preg_replace(Context ctx, PhpValue pattern, PhpValue replacement, PhpValue subject, int limit, out long count)
{
count = 0;
// PHP's behaviour for undocumented limit range
if (limit < -1)
{
limit = 0;
}
//
var replacement_array = replacement.AsArray();
var pattern_array = pattern.AsArray();
if (pattern_array == null)
{
if (replacement_array == null)
{
// string pattern
// string replacement
return preg_replace(ctx, pattern.ToStringOrThrow(ctx), replacement.ToStringOrThrow(ctx), null, subject, limit, ref count);
}
else
{
// string pattern and array replacement not allowed:
throw new ArgumentException("replacement_array_pattern_not", nameof(replacement));
// return PhpValue.Null;
}
}
else if (replacement_array == null)
{
// array pattern
// string replacement
}
else
{
// array pattern
// array replacement
}
throw new NotImplementedException();
}
/// <summary> /// Creates a deep copy of PHP variable. /// </summary> /// <returns>A deep copy of the value.</returns> public virtual PhpValue DeepCopy(ref PhpValue me) => me;
/// <summary>
/// Sets value at specific index. Value must not be an alias.
/// </summary>
void IPhpArray.SetItemValue(IntStringKey key, PhpValue value)
{
int index = key.IsInteger ? key.Integer : (int)Convert.StringToLongInteger(key.String);
char ch;
switch (value.TypeCode)
{
case PhpTypeCode.Long:
ch = (char)value.Long;
break;
case PhpTypeCode.String:
ch = (value.String.Length != 0) ? value.String[0] : '\0';
break;
case PhpTypeCode.WritableString:
ch = value.WritableString[0];
break;
// TODO: other types
default:
throw new NotSupportedException(value.TypeCode.ToString());
}
this[key.Integer] = ch;
}
/// <summary>
/// Performs dereferencing and deep copying of the value inplace.
/// </summary>
public virtual void PassValue(ref PhpValue me)
{
}
public virtual bool SetParameter(StreamParameterOptions option, PhpValue value)
{
// Do not display error messages here, the caller will.
// EX: will have to distinguish between failed and unsupported.
// (use additional message when fails)
// Descendants may call this default implementation for unhandled options
switch (option)
{
case StreamParameterOptions.BlockingMode:
// Unimplemented in Win32 PHP.
return false;
case StreamParameterOptions.ReadBufferSize:
// Unused option (only turns buffering off)
return false;
case StreamParameterOptions.WriteBufferSize:
if (value.IsInteger())
{
// Let the write buffer reset on next write operation.
FlushWriteBuffer();
writeBuffer = null;
// Set the new size (0 to disable write buffering).
writeBufferSize = (int)value.ToLong();
if (writeBufferSize < 0) writeBufferSize = 0;
return true;
}
return false;
case StreamParameterOptions.ReadTimeout:
// Set the read timeout for network-based streams (overrides DefaultTimeout).
this.readTimeout = (double)value;
return false;
case StreamParameterOptions.SetChunkSize:
if (value.IsInteger())
{
// This setting will affect reading after the buffers are emptied.
readChunkSize = (int)value.ToLong();
if (readChunkSize < 1) readChunkSize = 1;
return true;
}
return false;
case StreamParameterOptions.Locking:
return false;
case StreamParameterOptions.MemoryMap:
return false;
case StreamParameterOptions.Truncate:
// EX: [Truncate] Override SetParameter in NativeStream to truncate a local file.
return false;
default:
Debug.Assert(false); // invalid option
return false;
}
}
public static stdClass ToObject(PhpString value) => new stdClass(PhpValue.Create(value.DeepCopy()));
