public static Term AttributeToTerm(ETF_TextBlock.ETF_Attribute attribute)
{
Term t=Term.Create_SMALL_TUPLE();
if (attribute.Name==null)
t.AddSmallAtom("");
else
t.AddSmallAtom(attribute.Name);
switch (attribute.Type)
{
case TermType.ATOM:
t.AddAtom(attribute.Value); break;
/*case TermType.BINARY:
t.AddAtom(attribute.Value); break;*/
case TermType.INTEGER:
t.AddInt(int.Parse(attribute.Value)); break;
case TermType.NEW_FLOAT:
t.AddFloat(float.Parse(attribute.Value)); break;
case TermType.NIL:
t.AddNull(); break;
case TermType.SMALL_ATOM:
t.AddSmallAtom(attribute.Value); break;
case TermType.SMALL_INTEGER:
t.AddByte(byte.Parse(attribute.Value)); break;
case TermType.STRING:
t.AddString(attribute.Value); break;
default:
throw new Exception("AttributeToTerm: not supported term type="+attribute.Type.ToString());
}
return t;
}
public static Term BlockToTerm(ETF_TextBlock Block)
{
if (Block == null) return null;
Term root=Term.Create_LIST();
if (Block.Name == null)
root.AddSmallAtom("");
else
root.AddSmallAtom(Block.Name);
Term child;
//attributes
foreach (ETF_TextBlock.ETF_Attribute a in Block.Attributes)
{
root.TupleVal.Add(AttributeToTerm(a));
}
if (Block.Children.Count > 0)
{
child = root.AddList();
foreach (ETF_TextBlock c_block in Block.Children)
{
child.TupleVal.Add(BlockToTerm(c_block));
}
}
return root;
}
static void TermToThisBlock(ETF_TextBlock block,Term term)
{
//this is Block
if (!string.IsNullOrEmpty(term.TupleVal[0].StrVal))
block.Name = term.TupleVal[0].StrVal;
//other
for (int i = 1; i < term.TupleVal.Count; i++)
{
if (term.TupleVal[i].GetTermType() == TermType.SMALL_TUPLE)
{
//this is Attribute
//TODO : Может и стоит добавить пару лишних проверок)), но пока можно
// отлаживать, это тут мы увидем, а потом нахуй)
block.SetAttribute(term.TupleVal[i].TupleVal[0].StrVal, //atom Name
term.TupleVal[i].TupleVal[1].ToString(), //Some value
term.TupleVal[i].TupleVal[1].GetTermType());//type
}
else
if (term.TupleVal[i].GetTermType() == TermType.LIST)
{
//this is childrens
foreach (Term t in term.TupleVal[i].TupleVal)
{
ETF_TextBlock tmp = block.AddChild("t");
TermToThisBlock(tmp, t);
}
}
else
throw new Exception("TermToBlock: wait List, have" + term.TupleVal[i].GetTermType().ToString() + " at:" + i.ToString() + "\n Term: " + term.ToString());
}
}
/// <summary>
/// Deletes child block.
/// </summary>
/// <param name="child">The child block.</param>
public void DeleteChild( ETF_TextBlock child )
{
children.Remove( child );
child.parent = null;
child.name = "";
child.data = "";
child.children = null;
child.attributes = null;
}
/// <summary>
/// Creates the child block.
/// </summary>
/// <param name="name">The block name.</param>
/// <param name="data">The block data string.</param>
/// <returns>The child block.</returns>
/// <remarks>
/// Names of blocks can repeat.
/// </remarks>
public ETF_TextBlock AddChild( string name, string data )
{
if( string.IsNullOrEmpty( name ) )
//Log.Fatal( "TextBlock.AddChild: \"name\" is null or empty." );
throw new Exception( "TextBlock.AddChild: \"name\" is null or empty." );
ETF_TextBlock child = new ETF_TextBlock();
child.parent = this;
child.name = name;
child.data = data;
child.type=TermType.STRING;
children.Add( child );
return child;
}
static bool LoadChild( ETF_TextBlock child, bool ifEmptyLexReturnTrue )
{
while( true )
{
bool lexIntoQuotes;
string lex = GetLexeme( false, out lexIntoQuotes );
if( lex.Length == 0 )//if( lex == "" )
{
if( ifEmptyLexReturnTrue )
return true;
Error( "Unexpected end of file" );
return false;
}
if( lex == "}" )
return true;
string lex2 = GetLexeme( false );
if( lex2.Length == 0 )//if( lex2 == "" )
{
Error( "Unexpected end of file" );
return false;
}
if( lex2 == "=" )
{
string s_type = GetLexeme( true );
TermType t_type=ETF_TextBlock.StringToTermType(s_type,true);
if (t_type==TermType.ERROR)
{
Error( "Invalid type description" );
return false;
}
if (t_type==TermType.ERLANG_BINARY)
child.SetAttribute( lex, s_type,TermType.STRING );
else
{
string value = GetLexeme( true );
child.SetAttribute( lex, value,t_type );
}
continue;
}
if( lex2 == "{" )
{
ETF_TextBlock c = child.AddChild(lex);
if( !LoadChild( c, false ) )
return false;
continue;
}
string lex3 = GetLexeme( false );
if( lex3.Length == 0 )//if( lex3 == "" )
{
Error( "Unexpected end of file" );
return false;
}
if( lex3 == "{" )
{
ETF_TextBlock c = child.AddChild(lex, lex2);
if( !LoadChild( c, false ) )
return false;
continue;
}
Error( "Invalid file format" );
return false;
}
}
public static ETF_TextBlock Parse( string str, out string errorString )
{
if( str == null )
//Log.Fatal( "TextBlock.Parse: \"str\" is null." );
throw new Exception( "TextBlock.Parse: \"str\" is null." );
streamString = str;
streamPosition = 0;
error = null;
linePosition = 1;
root = new ETF_TextBlock();
bool ret = LoadChild( root, true );
if( !ret )
{
errorString = error;
return null;
}
errorString = "";
return root;
}
