public Umarci
(
PftContext context
)
{
Context = context;
}
public override void Execute
(
PftContext context
)
{
// Really nothing to do!
}
public string Evaluate
(
PftContext context
)
{
return(context.Evaluate(this));
}
public override void Execute
(
PftContext context
)
{
context.WriteLine();
}
public PftContext
(
PftContext parent
)
{
_parent = parent;
PftOutputBuffer parentBuffer = (parent == null)
? null
: parent.Output;
Output = new PftOutputBuffer(parentBuffer);
Globals = (parent == null)
? new PftGlobalManager()
: parent.Globals;
Record = (parent == null)
? new IrbisRecord()
: parent.Record;
Client = (parent == null)
? new ManagedClient64()
: parent.Client;
}
public override bool Evaluate
(
PftContext context
)
{
return(Inner.Evaluate(context));
}
public PftFormatter
(
PftContext context
)
{
Context = context;
}
public override void Execute
(
PftContext context
)
{
Arguments.Execute(context);
}
public override bool Evaluate
(
PftContext context
)
{
Left.Execute(context);
Right.Execute(context);
// ReSharper disable CompareOfFloatsByEqualityOperator
switch (Op)
{
case "=":
return(Left.Value == Right.Value);
case "<>":
return(Left.Value != Right.Value);
case ">":
return(Left.Value > Right.Value);
case ">=":
return(Left.Value >= Right.Value);
case "<":
return(Left.Value < Right.Value);
case "<=":
return(Left.Value <= Right.Value);
}
// ReSharper restore CompareOfFloatsByEqualityOperator
throw new ArgumentException();
}
public override void Execute
(
PftContext context
)
{
context.Write(RealText);
}
public override void Execute
(
PftContext context
)
{
context.Output.RemoveEmptyLine();
}
/// <summary>
/// Возможность вычислить значение без записи
/// в выходной буфер.
/// </summary>
/// <param name="context"></param>
/// <returns></returns>
public string Evaluate
(
PftContext context
)
{
string result;
if (Group != null)
{
if (Group.GroupIndex >= Group.GroupItems.Length)
{
result = string.Empty;
}
else
{
RecordField[] fields =
{
Group.GroupItems[Group.GroupIndex]
};
result = Field.FormatSingle(fields);
}
}
else
{
result = Field.FormatSingle(context.Record);
}
return(result);
}
public PftContext
(
PftFormatter formatter,
PftContext parent
)
{
_formatter = formatter;
_parent = parent;
PftOutputBuffer parentBuffer = (parent == null)
? null
: parent.Output;
Output = new PftOutputBuffer(parentBuffer);
Globals = (parent == null)
? new PftGlobalManager()
: parent.Globals;
// Переменные в каждом контексте свои
Variables = new PftVariableManager();
// Процедуры в каждом контексте свои
Procedures = new PftProcedureManager();
Record = (parent == null)
? new IrbisRecord()
: parent.Record;
Client = (parent == null)
? new ManagedClient64()
: parent.Client;
}
public Unifor
(
PftContext context
)
{
Context = context;
}
public override void Execute
(
PftContext context
)
{
if (SimpleValue != null)
{
SimpleValue.Execute(context);
Value = SimpleValue.Value;
}
else
{
Left.Execute(context);
Right.Execute(context);
switch (Op)
{
case "+":
Value = Left.Value + Right.Value;
break;
case "-":
Value = Left.Value - Right.Value;
break;
case "*":
Value = Left.Value * Right.Value;
break;
case "/":
Value = Left.Value / Right.Value;
break;
}
}
}
public override void Execute
(
PftContext context
)
{
context.OutputMode = OutputMode;
context.UpperMode = UpperMode;
}
public override void Execute
(
PftContext context
)
{
string text = context.Evaluate(Statement);
Trace.WriteLine(text);
}
public override void Execute
(
PftContext context
)
{
string text = context.Evaluate(Statement);
context.Output.Error.WriteLine(text);
}
public override void Execute
(
PftContext context
)
{
string text = Reference.FormatSingle(context.Globals.Get(Index));
context.Write(text);
}
public override void Execute
(
PftContext context
)
{
Value = (context.Record == null)
? 0
: context.Record.Mfn;
}
public Unifor
(
PftContext context,
PftGroupStatement grp
)
{
Context = context;
Group = grp;
}
public override void Execute
(
PftContext context
)
{
string argument = context.Evaluate(Argument);
Value = ExtractNumber(argument);
}
public Umarci
(
PftContext context,
PftGroupStatement grp
)
{
Context = context;
Group = grp;
}
public string Evaluate
(
PftContext context
)
{
string result = context.Evaluate(this);
return(result);
}
public override void Execute
(
PftContext context
)
{
string text = Evaluate(context);
context.Write(text);
}
public override void Execute
(
PftContext context
)
{
string text = context.Evaluate(Argument);
double[] values = ExtractNumbers(text);
Value = values.Min();
}
public override bool Evaluate
(
PftContext context
)
{
string formatted = Field.Field.FormatSingle(context.Record);
bool result = string.IsNullOrEmpty(formatted) != MustPresent;
return(result);
}
public override bool Execute
(
PftContext context
)
{
return(Arguments.Execute
(
context
));
}
public string Evaluate
(
PftAst ast
)
{
PftContext copy = Push();
ast.Execute(copy);
return(copy.ToString());
}
public override void Execute
(
PftContext context
)
{
if (!context.Output.HaveEmptyLine())
{
context.WriteLine();
}
}
