public void Add(TexFormula formula)
{
if (formula.RootAtom is RowAtom)
{
Add(RowAtom.Get(formula.ExtractRoot()));
}
else
{
Add(formula.RootAtom);
}
}
private Atom InsertAttribute(Atom atom, Atom begin, Atom end)
{
if (!(atom is RowAtom))
{
atom = RowAtom.Get(atom);
}
var row = (RowAtom)atom;
row.Add(end);
row.Elements.Insert(0, begin);
return(row);
}
public static TexFormula Get(IList <TexFormula> formulaList)
{
var formula = ObjPool <TexFormula> .Get();
if (formulaList.Count == 1)
{
formula.Add(formulaList[0]);
}
else
{
formula.RootAtom = RowAtom.Get(formulaList);
}
return(formula);
}
public static void ParseMatrix(List <Atom> el, List <List <Atom> > childs)
{
Last(childs).Add(RowAtom.Get());
foreach (Atom a in el)
{
if (a is SymbolAtom)
{
var b = ((SymbolAtom)a);
if (b.Name == "ampersand")
{
Last(childs).Add(RowAtom.Get());
b.Flush();
}
else if (b.Name == "mid")
{
childs.Add(ListPool <Atom> .Get());
Last(childs).Add(RowAtom.Get());
b.Flush();
}
else
{
((RowAtom)Last(Last(childs))).Add(a);
}
}
else if (a is CharAtom)
{
var b = ((CharAtom)a);
if (b.Character == 0x26)
{
Last(childs).Add(RowAtom.Get());
b.Flush();
}
else if ((b.Character == 0x7c))
{
childs.Add(ListPool <Atom> .Get());
Last(childs).Add(RowAtom.Get());
b.Flush();
}
else
{
((RowAtom)Last(Last(childs))).Add(a);
}
}
else
{
((RowAtom)Last(Last(childs))).Add(a);
}
}
}
public void Add(Atom atom, bool preferUnwrap = false)
{
if (RootAtom == null)
{
RootAtom = atom;
}
else
{
if (!(RootAtom is RowAtom))
{
RootAtom = RowAtom.Get(RootAtom);
}
((RowAtom)RootAtom).Add(atom, preferUnwrap);
}
}
public void Add(Atom atom)
{
if (RootAtom == null)
{
RootAtom = atom;
}
else
{
if (!(RootAtom is RowAtom))
{
RootAtom = RowAtom.Get(RootAtom);
}
((RowAtom)RootAtom).Add(atom);
}
}
public static void ParseMatrixVertical(List <Atom> el, List <List <Atom> > childs)
{
Last(childs).Add(ObjPool <RowAtom> .Get());
int vPool = 0, hPool = 0;
foreach (Atom a in el)
{
if (a is SymbolAtom)
{
var b = ((SymbolAtom)a);
if (b.Name == "ampersand")
{
hPool++;
Last(childs).Add(RowAtom.Get());
vPool = 0;
for (int i = 0; i < childs.Count; i++)
{
if (childs[i].Count < hPool + 1)
{
childs[i].Add(RowAtom.Get());
}
}
b.Flush();
}
else if (b.Name == "mid")
{
vPool++;
if (childs.Count <= vPool)
{
childs.Add(new List <Atom>());
while (Last(childs).Count < hPool + 1)
{
Last(childs).Add(RowAtom.Get());
}
}
b.Flush();
}
}
else if (a is CharAtom)
{
var b = ((CharAtom)a);
if (b.Character == 0x26 /*ampersand*/)
{
hPool++;
Last(childs).Add(RowAtom.Get());
vPool = 0;
for (int i = 0; i < childs.Count; i++)
{
if (childs[i].Count < hPool + 1)
{
childs[i].Add(RowAtom.Get());
}
}
b.Flush();
}
else if (b.Character == 0x7c)
{
vPool++;
if (childs.Count <= vPool)
{
childs.Add(new List <Atom>());
while (Last(childs).Count < hPool + 1)
{
Last(childs).Add(RowAtom.Get());
}
}
b.Flush();
}
else
{
((RowAtom)Last(childs[vPool])).Add(a);
}
}
else
{
((RowAtom)Last(childs[vPool])).Add(a);
}
}
}
private void ProcessEscapeSequence(TexFormula formula, string value, ref int position)
{
position++;
var command = LookForAWord(value, ref position);
// Check if there's no command
if (command.Length == 0)
{
if (position < value.Length)
{
var nextChar = value[position];
if (IsParserReserved(nextChar))
{
formula.Add(ConvertCharacter(value, ref position, nextChar));
}
}
return;
}
//Check if the command registered in Commands
if (isCommandRegistered(command))
{
formula.Add(AttachScripts(formula, value, ref position,
ProcessCommand(formula, value, ref position, command)));
return;
}
//Check if the command registered in FontID
var fontID = TEXPreference.main.GetFontIndexByID(command);
if (fontID != -1)
{
SkipWhiteSpace(value, ref position);
formula.Add(ParseFontStyle(value, ref position, fontID,
ParseFontStyle(ReadInsideBracket(value, ref position))));
return;
}
SymbolAtom symbolAtom = SymbolAtom.GetAtom(command);
//Check if the command registered in Symbol database
if (symbolAtom != null)
{
// Symbol was found.
if (symbolAtom.RightType == CharType.Accent && formula.RootAtom != null)
{
//Accent is Found
Atom baseAtom = formula.RootAtom;
if (baseAtom is RowAtom)
{
var row = (RowAtom)baseAtom;
baseAtom = MatrixAtom.Last(row.Elements);
row.Elements.RemoveAt(row.Elements.Count - 1);
}
else
{
formula.RootAtom = null;
}
formula.Add(AttachScripts(formula, value, ref position, AccentedAtom.Get(baseAtom, symbolAtom)));
}
else
{
formula.Add(AttachScripts(formula, value, ref position, symbolAtom));
}
return;
}
//No lucks, now ...
{
// Command aren't defined, use it as command text style
RowAtom row = RowAtom.Get();
for (int i = 0; i < command.Length; i++)
{
var charAtom = CharAtom.Get(command[i],
TEXConfiguration.main.Typeface_Commands);
row.Add(charAtom);
}
formula.Add(AttachScripts(formula, value, ref position, row));
}
}