/////////////////////////////////////////////////////////////////////////////
protected ArgumentExpression EvaluateCastExpression( Expression parent, string str )
{
// ******
//
// calling SplitString() with 'splitCastMode' set to true, see the comments below where
// we check the number of items returned
//
StringIndexer si = new StringIndexer( str );
NmpStringList list = SplitString.Split( si, SplitString.END_OF_STRING, SplitString.END_OF_STRING, true );
// ******
if( 2 != list.Count ) {
//
// "()"
//
// TODO: issue when called by ETB
scanner.Error( null, "error atempting to cast expression: \"{0}\"", str );
}
// ******
string rhs = list[ 1 ];
if( ! string.IsNullOrEmpty(rhs) && SC.ATCHAR == rhs[0] ) {
ArgumentExpression argExp = EvaluateAtExpression( parent, rhs.Substring(1) );
string typeName = list[ 0 ];
//Type type = Helpers.FindType( null, typeName.Substring(1, typeName.Length - 2), true );
Type type = TypeLoader.GetType( typeName.Substring( 1, typeName.Length - 2 ) );
if( null == type ) {
// TODO: issue when called by ETB
scanner.Error( null, "unknown type \"{0}\" while generating cast expression: \"{1}\", note: use full type name including namespaces", typeName, str );
}
argExp.SetCastType( type );
return argExp;
}
else {
try {
object obj = Arguments.CastArg( list, str );
return new ArgumentExpression( parent, obj );
}
catch {////( ArgumentCastException ex ) {
// TODO: issue when called by ETB
//scanner.Error( null, ex.Message );
}
return null;
}
}
/////////////////////////////////////////////////////////////////////////////
private static void ReadToEOL( StringIndexer reader )
{
while( true ) {
char ch = reader.NextChar();
if( SC.CR == ch || SC.NEWLINE == ch || SC.NO_CHAR == ch ) {
if( SC.CR == ch && SC.NEWLINE == reader.Peek() ) {
//
// skip the newline if preceeded by cr
//
reader.Skip( 1 );
}
return;
}
}
}
/////////////////////////////////////////////////////////////////////////////
public string GetQuotedText( StringIndexer input, bool keepQuotes )
{
// ******
StringBuilder sb = new StringBuilder();
if( keepQuotes ) {
sb.Append( SeqOpenQuote.Sequence );
}
// ******
while( true ) {
char ch = input.Peek();
if( SeqOpenQuote.FirstChar == ch && SeqOpenQuote.Starts(input) ) {
SeqOpenQuote.Skip( input );
// ******
sb.Append( GetQuotedText(input, true) );
}
else if( SeqCloseQuote.FirstChar == ch && SeqCloseQuote.Starts(input) ) {
SeqCloseQuote.Skip( input );
// ******
if( keepQuotes ) {
sb.Append( SeqCloseQuote.Sequence );
}
return sb.ToString();
}
else if( SC.NO_CHAR == ch ) {
// TODO: need file/line/col number for use with MPError
ThreadContext.MacroError( "end of data: unbalanced quotes" );
}
else {
input.Skip( 1 );
sb.Append( ch );
}
}
}
/////////////////////////////////////////////////////////////////////////////
public bool Starts( StringIndexer input )
{
return input.StartsWith( Sequence );
}
/////////////////////////////////////////////////////////////////////////////
public void Skip( StringIndexer input )
{
// ******
if( FirstChar == input.Peek() && input.StartsWith(Sequence) ) {
input.Skip( Sequence.Length );
}
else {
throw new Exception( string.Format("input buffer does not begin with \"{1}\"", Sequence) );
}
}
/////////////////////////////////////////////////////////////////////////////
public static NmpStringList Split( StringIndexer input, char openChar, char closeChar, bool splitCastMode = false )
{
// ******
NmpStringList subStrings = new NmpStringList();
// ******
StringBuilder sb = new StringBuilder();
char ch;
while( true ) {
ch = input.NextChar();
// ******
if( ESCAPE_CHAR == ch ) {
ch = input.NextChar();
if( END_OF_STRING == ch ) {
continue;
}
else if( escapeChars.IndexOf(ch) >= 0 || openChar == ch || closeChar == ch ) {
sb.Append( ch );
continue;
}
//
// not a valid escape char so add escape into output and fall thru to handle
// ch
//
sb.Append( ESCAPE_CHAR );
}
// ******
if( END_OF_STRING == ch || SPLIT_CHAR == ch || closeChar == ch ) {
subStrings.Add( sb.ToString().Trim() );
sb.Length = 0;
if( END_OF_STRING == ch || closeChar == ch ) {
break;
}
}
else if( OPEN_BRACKET == ch || OPEN_PAREN == ch || openChar == ch ) {
char closer;
switch( ch ) {
case OPEN_BRACKET:
closer = CLOSE_BRACKET;
break;
case OPEN_PAREN:
closer = CLOSE_PAREN;
break;
default:
closer = closeChar;
break;
}
// ******
NmpStringList s = Split( input, ch, closer );
sb.Append( ch );
sb.Append( s.Join(';') );
sb.Append( closer );
// ******
if( OPEN_PAREN == ch && splitCastMode ) {
//
// once we've seen a complete parenthesized chunk of text we:
//
// add it to the list
// then add the remainder of the text to the next entry
// and return
//
subStrings.Add( sb.ToString() );
subStrings.Add( input.Remainder.Trim() );
return subStrings;
}
}
else {
sb.Append( ch );
}
}
// ******
//
// did not find terminating character
//
if( END_OF_STRING != closeChar && END_OF_STRING == ch ) {
throw ExceptionHelpers.CreateException( "Helpers.SplitString: unbalanced string, could not locate closing character '{0}'", closeChar );
}
// ******
return subStrings;
}
///////////////////////////////////////////////////////////////////////////////
//
//private static string regExStr = @"\(\s*?(.*?)\s*?\)\s*(.*?)\s*$";
//private static Regex regex;
//
//private static object _CastArg( string s )
//{
// // ******
// if( null == regex ) {
// regex = new Regex( regExStr );
// }
//
// // ******
// Match match = regex.Match( s );
//
// if( match.Groups.Count < 3 ) {
// return s;
// }
//
// // ******
// string castType = match.Groups[1].ToString().ToLower();
// string castValue = match.Groups[2].ToString();
//
// object value = SubstMatch( castType, castValue );
// if( null == value ) {
// value = s;
// }
//
// // ******
// return value;
//}
//
/////////////////////////////////////////////////////////////////////////////
public static object CastArg( string s )
{
// ******
Debug.Assert( '(' == s[0], "Helpers.CastArg: cast or list string does not begin with a '('" );
// ******
//
// calling SplitString() with 'splitCastMode' set to true, see the comments below where
// we check the number of items returned
//
StringIndexer si = new StringIndexer( s );
NmpStringList list = SplitString.Split( si, SplitString.END_OF_STRING, SplitString.END_OF_STRING, true );
return CastArg( list, s );
}
/////////////////////////////////////////////////////////////////////////////
public static void CallerOptions( string textIn,
StringBuilder textOut,
List<string> targets,
Action<string, string, StringBuilder> handler
)
{
// ******
if( null == handler ) {
throw new ArgumentNullException( "handler" );
}
// ******
var reader = new StringIndexer( textIn );
while( ! reader.AtEnd ) {
foreach( string target in targets ) {
if( reader.StartsWith(target) ) {
reader.Skip( target.Length );
string remainder = GetText( reader ).Trim();
handler( target, remainder, textOut );
}
else {
if( null != textOut ) {
textOut.Append( GetText(reader) );
textOut.Append( SC.NEWLINE );
}
}
}
}
}
/////////////////////////////////////////////////////////////////////////////
public string GetOptions( string textIn )
{
/*
we should split the text into lines and then do our checks
the caller can call us to reassemble the line
*/
// ******
//
// NOTE: the text assigned to the StringIndexer has NOT been "fixed" as
// it would be in NMP so we have to deal with "\r\n" instead of just
// newlines
//
StringIndexer reader = new StringIndexer( textIn );
while( true ) {
//
// if the line starts with a dask or hash it goes way!
//
//if( SC.DASH == reader.Peek() || SC.HASH == reader.Peek() ) {
// ReadToEOL( reader );
//}
//
// a space or a pair of commas also make it go away
//
//else if( char.IsWhiteSpace(reader.Peek()) || reader.StartsWith(START_SINGLE_LINE_COMMENT) ) {
// ReadToEOL( reader );
//}
if( reader.StartsWith( START_SINGLE_LINE_COMMENT ) ) {
ReadToEOL( reader );
}
else if( reader.StartsWith(RAZOR_ASMINC) ) {
reader.Skip( RAZOR_ASMINC.Length );
GetAssemblyName( reader );
}
else if( reader.StartsWith(RAZOR_ASMINC2) ) {
reader.Skip( RAZOR_ASMINC2.Length );
GetAssemblyName( reader );
}
else if( reader.StartsWith(KEEP_TEMPS) ) {
ReadToEOL( reader );
KeepTempFiles = true;
}
else if( reader.StartsWith(RAZOR_DEBUG) ) {
ReadToEOL( reader );
Debug = true;
}
//else if( reader.StartsWith(ASSERT_DATA_NAME) ) {
// ReadToEOL( reader );
// AssertDataName = true;
//}
//
//else if( reader.StartsWith(ASSERT_DATA_FULLNAME) ) {
// ReadToEOL( reader );
// AssertDataFullName = true;
//}
//
//else if( reader.StartsWith(ASSERT_ENUM_NAME) ) {
// ReadToEOL( reader );
// AssertEnumDataName = true;
//}
//
//else if( reader.StartsWith(ASSERT_ENUM_FULLNAME) ) {
// ReadToEOL( reader );
// AssertEnumDataFullName = true;
//}
//else if( reader.StartsWith(TYPE_OF_DATA) ) {
// reader.Next( TYPE_OF_DATA.Length );
// TypeOfData = GetTypeOfData( "@TypeOfData", reader );
//}
//
//else if( reader.StartsWith(TYPE_OF_ENUMDATA) ) {
// reader.Next( TYPE_OF_ENUMDATA.Length );
// TypeOfEnumData = GetTypeOfData( "@TypeOfEnumData", reader );
//}
//
//else if( reader.StartsWith(NO_NULL_DATA) ) {
// ReadToEOL( reader );
// AllowNullData = false;
//}
//
//else if( reader.StartsWith(NO_NULL_ENUMDATA) ) {
// ReadToEOL( reader );
// AllowNullEnumData = false;
//}
else if( reader.StartsWith(CODE_NAMESPACE) ) {
reader.Skip( CODE_NAMESPACE.Length );
Namespace = GetText( reader ).Trim();
}
else if( reader.StartsWith(CODE_CLASSNAME) ) {
reader.Skip( CODE_CLASSNAME.Length );
ClassName = GetText( reader ).Trim();
}
else if( reader.StartsWith(INJECT) ) {
ReadToEOL( reader );
Inject = true;
}
else if( reader.StartsWith(PREPROCESS) ) {
ReadToEOL( reader );
PreProcess = true;
}
else if( reader.StartsWith(POSTPROCESS) ) {
ReadToEOL( reader );
PostProcess = true;
}
else if( reader.StartsWith(COMMENTS_FULL_REMOVE) ) {
ReadToEOL( reader );
CommentsFullRemove = true;
}
else {
//return reader.Remainder;
return CleanComments( reader );
}
}
}
///////////////////////////////////////////////////////////////////////////////
//
//private Type GetTypeOfData( string description, StringIndexer reader )
//{
// // ******
// string typeName = GetText( reader ).Trim();
// if( string.IsNullOrEmpty(typeName) ) {
// CSX.WriteWarning( "empty type name processing {0}", description );
// }
//
// // ******
// int pos = typeName.IndexOf( '.' );
// bool fullTypeName = pos >= 0;
// if( 0 == pos ) {
// //
// // if a dot is the first char the intent is that this
// // is a full type name search and the type we're looking
// // for does NOT live in a namespace
// //
// typeName = typeName.Substring( 1 );
// }
//
// // ******
// Type type = TypeLoader.GetType( typeName );
// if( null != type ) {
// return type;
// }
//
// // ******
// foreach( var path in RefAssemblies ) {
// TypeList list = TypeLoader.GetType( path, typeName, fullTypeName );
// if( list.Count > 0 ) {
// return list[ 0 ];
// }
// }
//
// // ******
// return null;
//}
//
/////////////////////////////////////////////////////////////////////////////
private string CleanComments( StringIndexer reader )
{
// ******
if( PreProcess ) {
//
// let Nmp remove any single line comments - we leave
// the end of line behind, Nmp will remove the entire
// line
//
return reader.Remainder;
}
// ******
var sb = new StringBuilder();
while( ! reader.AtEnd ) {
//
// a space or a pair of commas also make it go away
//
if( reader.StartsWith(START_SINGLE_LINE_COMMENT) ) {
ReadToEOL( reader );
if( CommentsFullRemove ) {
//
// remove the whole thing - do not add end of line
//
continue;
}
}
else {
sb.Append( GetText(reader) );
}
//
// GetText() does not return an end-of-line so we need to add it,
// also we want to leave a blank line where the comment was stripped
// out so line counts remain the same as the source
//
sb.AppendLine();
}
// ******
return sb.ToString();
}
/////////////////////////////////////////////////////////////////////////////
private void GetAssemblyName( StringIndexer reader )
{
//// ******
//var sb = new StringBuilder();
//
//// ******
//while( true ) {
// char ch = reader.Next();
//
// if( SC.CR == ch || SC.NEWLINE == ch || SC.NO_CHAR == ch ) {
// if( SC.CR == ch && SC.NEWLINE == reader.Peek() ) {
// //
// // skip the newline if preceeded by cr
// //
// reader.Next();
// }
//
// break;
// }
//
// sb.Append( ch );
//}
//
//// ******
//RefAssemblies.Add( sb.ToString() );
// ******
RefAssemblies.Add( GetText(reader).Trim() );
}
/////////////////////////////////////////////////////////////////////////////
private static string GetText( StringIndexer reader )
{
// ******
var sb = new StringBuilder();
// ******
while( true ) {
char ch = reader.NextChar();
if( SC.CR == ch || SC.NEWLINE == ch || SC.NO_CHAR == ch ) {
if( SC.CR == ch && SC.NEWLINE == reader.Peek() ) {
//
// skip the newline if preceeded by cr
//
reader.Skip( 1 );
}
break;
}
sb.Append( ch );
}
// ******
return sb.ToString();
}
