private StringReproduction ReadText()
{
StringReproduction Node = new StringReproduction();
StringBuilder str = new StringBuilder("", 25);
bool Check;
if (Pos >= TextChars.Length)
{
Check = false;
Node.AddElement("");
}
else
{
Check = true;
while (Check)
{
switch (TextChars[Pos])
{
case '{':
goto case '[';
case '[':
Node.AddElement(str.ToString());
str.Remove(0, str.Length);
Node.AddElement(ReadBranch());
break;
case '^':
// экранирование символов
if ((Pos + 1) < TextChars.Length)
{
Pos++;
str.Append(TextChars[Pos]);
}
else
str.Append(TextChars[Pos]);
break;
case '<':
// проверяем на глобальное экранирование текста
if ((Pos + 2) < TextChars.Length)
{
if ((TextChars[Pos + 1] == '<') && (TextChars[Pos + 2] == '<'))
str.Append(ReadInvariableText());
else
str.Append(TextChars[Pos]);
}
else
str.Append(TextChars[Pos]);
break;
case '%':
goto case '#';
case '#':
if ((Pos + 1) < TextChars.Length)
{
if (TextChars[Pos + 1] == ']')
{
Pos++;
goto case ']';
}
else
str.Append(TextChars[Pos]);
}
else
str.Append(TextChars[Pos]);
break;
case '|':
goto case ']';
case '}':
goto case ']';
case ']':
Check = false;
Pos--;
Node.AddElement(str.ToString());
str.Remove(0, str.Length);
break;
default:
str.Append(TextChars[Pos]);
break;
}
Pos++;
if (Pos >= TextChars.Length)
{
Check = false;
Node.AddElement(str.ToString());
}
}
}
return Node;
}
private StringReproduction ReadBranch()
{
StringReproduction Node;
switch (TextChars[Pos])
{
case '{':
Node = new StringReproduction(1);
Pos++;
break;
case '[':
if ((Pos + 1) < TextChars.Length)
{
switch (TextChars[Pos + 1])
{
case '%':
Node = new StringReproduction(3);
Pos = Pos + 2;
break;
case '#':
Node = new StringReproduction(4);
Pos = Pos + 2;
break;
default:
Node = new StringReproduction(2);
Pos++;
break;
}
}
else
{
Node = new StringReproduction(2);
Pos++;
}
break;
default:
Node = new StringReproduction();
break;
}
bool Check = true;
while (Check)
{
Node.AddElement(ReadText());
if (Pos >= TextChars.Length)
Check = false;
else
{
if (TextChars[Pos] != '|')
Check = false;
else
Pos++;
}
}
return Node;
}
