/// <summary>
/// Appends the textual representation of this expression to <paramref name="builder" />.
/// </summary>
internal override void AppendString(StringBuilder builder)
{
if (Operation == ConditionalOperation.Not)
{
builder.Append('!');
Right.AppendString(builder);
return;
}
if (Left.IsLogicalUnit)
{
builder.Append('(');
}
Left.AppendString(builder);
if (Left.IsLogicalUnit)
{
builder.Append(')');
}
builder.Append(' ');
builder.Append(GetOperatorString(Operation));
builder.Append(' ');
if (Right.IsLogicalUnit)
{
builder.Append('(');
}
Right.AppendString(builder);
if (Right.IsLogicalUnit)
{
builder.Append(')');
}
}
/// <summary>
/// Appends the textual representation of this expression to <paramref name="builder" />.
/// </summary>
internal override void AppendString(StringBuilder builder)
{
Left.AppendString(builder);
builder.Append(' ');
builder.Append(GetOperatorString(Operation));
builder.Append(' ');
Right.AppendString(builder);
}
/// <summary>
/// Appends the textual representation of this expression to <paramref name="builder" />.
/// </summary>
internal override void AppendString(StringBuilder builder)
{
Left.AppendString(builder);
builder.Append(' ');
builder.Append(GetOperatorCharacter(Operation));
builder.Append(' ');
if (Operation != MathematicOperation.Add && Right.Type == ExpressionType.Mathematic)
{
builder.Append('(');
Right.AppendString(builder);
builder.Append(')');
}
else
{
Right.AppendString(builder);
}
}
internal void AppendCondition(StringBuilder builder, NumberFormat numberFormat,
string addSources = null, string subSources = null, string addHits = null, string andNext = null)
{
if (!string.IsNullOrEmpty(addSources))
{
builder.Append('(');
builder.Append(addSources);
}
else if (!string.IsNullOrEmpty(subSources))
{
builder.Append('(');
}
else if (!string.IsNullOrEmpty(addHits))
{
builder.Append(addHits);
}
else if (!string.IsNullOrEmpty(andNext))
{
builder.Append(andNext);
}
switch (Type)
{
case RequirementType.AddSource:
Left.AppendString(builder, numberFormat);
builder.Append(" + ");
break;
case RequirementType.SubSource:
builder.Append(" - ");
Left.AppendString(builder, numberFormat);
break;
default:
Left.AppendString(builder, numberFormat);
break;
}
if (!string.IsNullOrEmpty(subSources))
{
builder.Append(subSources);
builder.Append(')');
}
else if (!string.IsNullOrEmpty(addSources))
{
builder.Append(')');
}
switch (Operator)
{
case RequirementOperator.Equal:
builder.Append(" == ");
break;
case RequirementOperator.NotEqual:
builder.Append(" != ");
break;
case RequirementOperator.LessThan:
builder.Append(" < ");
break;
case RequirementOperator.LessThanOrEqual:
builder.Append(" <= ");
break;
case RequirementOperator.GreaterThan:
builder.Append(" > ");
break;
case RequirementOperator.GreaterThanOrEqual:
builder.Append(" >= ");
break;
case RequirementOperator.None:
return;
}
Right.AppendString(builder, numberFormat);
}
internal void AppendCondition(StringBuilder builder, NumberFormat numberFormat,
string addSources = null, string subSources = null, string addHits = null,
string andNext = null, string addAddress = null)
{
if (!string.IsNullOrEmpty(addSources))
{
builder.Append('(');
builder.Append(addSources);
}
else if (!string.IsNullOrEmpty(subSources))
{
builder.Append('(');
}
else if (!string.IsNullOrEmpty(addHits))
{
builder.Append(addHits);
}
else if (!string.IsNullOrEmpty(andNext))
{
builder.Append(andNext);
}
string suffix = null;
switch (Type)
{
case RequirementType.AddSource:
Left.AppendString(builder, numberFormat);
suffix = " + ";
break;
case RequirementType.SubSource:
builder.Append(" - ");
Left.AppendString(builder, numberFormat);
break;
default:
if (Operator != RequirementOperator.None &&
string.IsNullOrEmpty(subSources) && string.IsNullOrEmpty(addSources))
{
var clone = new Requirement
{
Left = this.Left,
Operator = this.Operator,
Right = this.Right
};
var result = clone.Evaluate();
if (result == true)
{
builder.Append("always_true()");
return;
}
else if (result == false)
{
builder.Append("always_false()");
return;
}
}
Left.AppendString(builder, numberFormat, addAddress);
break;
}
// scaling operators need to be appended before chained operations
switch (Operator)
{
case RequirementOperator.Multiply:
builder.Append(" * ");
Right.AppendString(builder, numberFormat, addAddress);
break;
case RequirementOperator.Divide:
builder.Append(" / ");
Right.AppendString(builder, numberFormat, addAddress);
break;
case RequirementOperator.BitwiseAnd:
builder.Append(" & ");
Right.AppendString(builder, numberFormat, addAddress);
break;
}
// append chained operations
if (!string.IsNullOrEmpty(subSources))
{
builder.Append(subSources);
builder.Append(')');
}
else if (!string.IsNullOrEmpty(addSources))
{
builder.Append(')');
}
// handle comparison operators
switch (Operator)
{
case RequirementOperator.Equal:
builder.Append(" == ");
break;
case RequirementOperator.NotEqual:
builder.Append(" != ");
break;
case RequirementOperator.LessThan:
builder.Append(" < ");
break;
case RequirementOperator.LessThanOrEqual:
builder.Append(" <= ");
break;
case RequirementOperator.GreaterThan:
builder.Append(" > ");
break;
case RequirementOperator.GreaterThanOrEqual:
builder.Append(" >= ");
break;
case RequirementOperator.Multiply:
case RequirementOperator.Divide:
case RequirementOperator.BitwiseAnd:
// handled above, treat like none
case RequirementOperator.None:
if (suffix != null)
{
builder.Append(suffix);
}
return;
}
Right.AppendString(builder, numberFormat, addAddress);
if (suffix != null)
{
builder.Append(suffix);
}
}
