//=========================================================================================
public StateParserState GetNextState(Token token)
{
foreach (var oEntry in this.Entries)
{
if (string.Compare(oEntry.Key, token.TokenTypeName, true) == 0)
return oEntry.Value;
}
return this.ElseState;
}
//=========================================================================================
internal override TextStyle GetStyleFor(Token token, string styleName)
{
if (token.TokenTypeName == "comment-start")
return this.GetStyleByName("separator");
if (token.TokenTypeName == "comment-end")
return this.GetStyleByName("separator");
if (token.TokenTypeName == "attrValue-start")
return this.NormalTextStyle;
if (token.TokenTypeName == "attrValue-end")
return this.NormalTextStyle;
if (token.TokenTypeName == "cdata-start")
return this.GetStyleByName("separator");
if (token.TokenTypeName == "cdata-end")
return this.GetStyleByName("separator");
return base.GetStyleFor(token, styleName);
}
//=========================================================================================
internal override TextStyle GetStyleFor(Token token, string styleName)
{
if (token.TokenTypeName == "charConst")
return this.TextStyles[S_STRINGS];
return base.GetStyleFor(token, styleName);
}
//=========================================================================================
void AssertTokenRange(Token token, int startLine, int startCol, int startChar, int endLine, int endCol, int endChar)
{
Assert.That(token.Start.ToString(), Is.EqualTo(string.Format("Ln:{0}, col:{1}, ch:{2}", startLine, startCol, startChar)));
Assert.That(token.End.ToString(), Is.EqualTo(string.Format("Ln:{0}, col:{1}, ch:{2}", endLine, endCol, endChar)));
}
//=========================================================================================
internal virtual TextStyle GetStyleFor(Token token, string styleName)
{
TextStyle oStyle = this.GetStyleByName(styleName);
if (oStyle != null)
return oStyle;
if (string.IsNullOrEmpty(token.TokenTypeName))
return this.NormalTextStyle;
if (token.TokenTypeName == "id")
return this.GetKeywordStyle(token.Text);
if (token.TokenTypeName == "comment1")
return this.GetStyleByName(S_MULTI_COMMENT);
if (token.TokenTypeName == "comment2")
return this.GetStyleByName(S_SINGLE_COMMENT);
if (token.TokenTypeName == "comment3")
return this.GetStyleByName(S_SINGLE_COMMENT);
if (token.TokenTypeName == "stringConst")
return this.GetStyleByName(S_STRINGS);
if (token.TokenTypeName == "operator")
return this.GetStyleByName(S_OPERATORS);
if (token.TokenTypeName == "number")
return this.GetStyleByName(S_NUMBERS);
return this.NormalTextStyle;
}
//=========================================================================================
internal void SetSource(string text)
{
this.Scanner.SetSource(text);
this.TokenPool.Clear();
this.CurrentToken = null;
}
//=========================================================================================
bool ReadNextToken()
{
this.CurrentToken = this.Scanner.ReadNextToken();
if (this.CurrentToken == null)
return false;
else
return true;
}
//=========================================================================================
/// <summary>Если токен многострочный, разбиваем его на строки и добавляем в очередь.</summary>
private void EnqueueMultilineToken(string text, TextPoint startPoint, TextPoint endPoint)
{
TextStyle oStyle = null;
///Если текст однострочный
if (text.IndexOf('\n') < 0)
{
var oToken = new Token(
this.CurrentToken.TokenTypeName,
text, startPoint, endPoint, this.CurrentToken.Style);
oToken.Style = this.Settings.GetStyleFor(oToken, this.CurrentState.StyleName);
this.TokenPool.Enqueue(oToken);
}
else
{
///Разбиваем текст на строки
List<string> lines = TextSplitter.SplitTextToLines(text);
///Первая строка
{
string sLine = lines[0];
///Начало токена
var startTokenPoint = startPoint;
///Конец токена
int iChar = startPoint.Char + sLine.Length;
int iCol = iChar; //TODO: если перед нашим токеном были табы, то iCol мы вычисляем неверно.
var endTokenPoint = new TextPoint(startTokenPoint.Line, iCol, iChar);
///Создаем токен
var oToken = new Token(
this.CurrentToken.TokenTypeName,
sLine, startPoint, endTokenPoint, this.CurrentToken.Style);
///Выясняем стиль
oStyle = this.Settings.GetStyleFor(oToken, this.CurrentState.StyleName);
oToken.Style = oStyle;
///Добавляем в очередь
this.TokenPool.Enqueue(oToken);
}
///Проходим по остальным строкам
for (int iLine = 1; iLine < lines.Count; iLine++)
{
string sLine = lines[iLine];
if (sLine.Length == 0)
continue;
///Начало токена
var startTokenPoint = new TextPoint(startPoint.Line + iLine, 0, 0);
///Конец токена
int iChar = startTokenPoint.Char + sLine.Length;
int iCol = TextCaret.GetCol(sLine, iChar, this.Scanner.TabSize);
var endTokenPoint = new TextPoint(startTokenPoint.Line, iCol, iChar);
///Создаем токен
var oToken = new Token(
this.CurrentToken.TokenTypeName,
sLine, startTokenPoint, endTokenPoint, this.CurrentToken.Style);
///Выясняем стиль
oToken.Style = oStyle;
///Добавляем в очередь
this.TokenPool.Enqueue(oToken);
}
}
}
//=========================================================================================
/// <summary>Поместить в очередь токены, описывающие текст в ограничителях.</summary>
void EnqueueBoundedToken()
{
///Входной ограничитель
int iStartLen = this.Scanner.StartLimiterLength;
TextPoint pointStartBody = new TextPoint(
this.CurrentToken.Start.Line,
this.CurrentToken.Start.Col + iStartLen,
this.CurrentToken.Start.Char + iStartLen);
string sText1 = this.CurrentToken.Text.Substring(0, iStartLen);
Token oToken1 = new Token(
this.CurrentToken.TokenTypeName + "-start", //TODO: Избавиться от постоянного порождения строк
sText1, this.CurrentToken.Start, pointStartBody, this.CurrentToken.Style);
oToken1.Style = this.Settings.GetStyleFor(oToken1, this.CurrentState.StyleName);
this.TokenPool.Enqueue(oToken1);
///Текст между ограничителей
int iEndLen = this.Scanner.EndLimiterLength;
TextPoint pointEndBody = new TextPoint(
this.CurrentToken.End.Line,
this.CurrentToken.End.Col - iEndLen,
this.CurrentToken.End.Char - iEndLen);
string sText2 = this.CurrentToken.Text.Substring(iStartLen, this.CurrentToken.Text.Length - iStartLen - iEndLen);
this.EnqueueMultilineToken(sText2, pointStartBody, pointEndBody);
///Концевой ограничитель
string sText3 = this.CurrentToken.Text.Substring(this.CurrentToken.Text.Length - iEndLen);
Token oToken3 = new Token(
this.CurrentToken.TokenTypeName + "-end",
sText3, pointEndBody, this.CurrentToken.End, this.CurrentToken.Style);
oToken3.Style = this.Settings.GetStyleFor(oToken3, this.CurrentState.StyleName);
this.TokenPool.Enqueue(oToken3);
this.CurrentToken = oToken1;
}
//=========================================================================================
/// <summary>Подставляет указанную строку в редактор заместо текущего токена.</summary>
void PasteInsteadOfCurrentToken(Token token, string choose)
{
//Пользователь ввел начало слова
if (token != null && token.Text != "." && token.Text != ",")
{
int iCurrentLineId = this.Viewer.Caret.Line;
string sCurrentLine = this.Viewer.Document[iCurrentLineId].Text;
string sNewLine = String.Empty;
StringBuilder builder = new StringBuilder();
builder.Append(sCurrentLine, 0, token.Start.Char);
builder.Append(choose);
int sourceIndex = token.End.Char;
int count = sCurrentLine.Length - sourceIndex;
builder.Append(sCurrentLine, token.End.Char, count);
this.Viewer.Document[iCurrentLineId].Text = builder.ToString();
int iNewCaretCol = token.End.Col - token.Text.Length + choose.Length;
this.Viewer.Caret.MoveToPos(iCurrentLineId, iNewCaretCol, true);
this.Viewer.InitTokens(this.Viewer.Text);
this.Viewer.Invalidate();
return;
}
//Если текст ещё не подставлен и стоят пробелы не являющиеся токенами
this.Viewer.PasteText(choose);
this.Viewer.Invalidate();
}
//=========================================================================================
void GetQuotedToken(List<Token> tokens, BoundedElement group)
{
int iCol, iChar;
TextPoint endPoint;
Token oToken;
string sLine = this.Lines[this.CurPos.Line];
///Если указан стиль оформления границ блока, то надо создать отдельный токен для начала блока
if (group.BoundStyle != null)
{
iChar = this.CurPos.Char + group.StartSymbols.Length;
iCol = TextCaret.GetCol(sLine, iChar, this._TabSize);
endPoint = new TextPoint(this.CurPos.Line, iCol, iChar);
oToken = new Token(
group.StartSymbols, this.CurPos,
endPoint, group.BoundStyle);
tokens.Add(oToken);
this.CurPos = endPoint;
}
///Если не указаны конечные символы блока, то блок длится до конца строки
if (group.EndSymbols.Length == 0)
{
string sWord = sLine.Substring(this.CurPos.Char);
iCol = TextCaret.GetLastCol(sLine, this._TabSize);
oToken = new Token(sWord, this.CurPos, new TextPoint(this.CurPos.Line, iCol, sLine.Length - 1), group.Style);
tokens.Add(oToken);
this.CurPos.Line++;
this.CurPos.Char = 0;
this.CurPos.Col = 0;
return;
}
bool bFirstLine = true;
while (true)
{
int iIndex = this.CurPos.Char;
if (bFirstLine)
iIndex += group.StartSymbols.Length;
if (iIndex >= sLine.Length)
iIndex = -1;
else
iIndex = sLine.IndexOf(group.EndSymbols, iIndex);
if (iIndex >= 0)
{
bool bEnd = true;
if (group.Escape != null)
{
int iEscapeIndex = sLine.IndexOf(group.Escape);
if (iEscapeIndex >= 0 && iEscapeIndex <= iIndex && iEscapeIndex + group.Escape.Length > iIndex)
bEnd = false;
}
if (bEnd)
{
if (group.BoundStyle == null)
iIndex += group.EndSymbols.Length;
string sText = sLine.Substring(this.CurPos.Char, iIndex - this.CurPos.Char);
iCol = TextCaret.GetCol(sLine, iIndex, this._TabSize);
endPoint = new TextPoint(this.CurPos.Line, iCol, iIndex);
tokens.Add(new Token(sText, this.CurPos, endPoint, group.Style));
this.CurPos = endPoint;
break;
}
}
iCol = TextCaret.GetLastCol(sLine, this._TabSize);
endPoint = new TextPoint(this.CurPos.Line, iCol, sLine.Length);
if (bFirstLine)
sLine = sLine.Substring(this.CurPos.Char);
tokens.Add(new Token(sLine, this.CurPos, endPoint, group.Style));
this.CurPos.Line++;
this.CurPos.Char = 0;
this.CurPos.Col = 0;
if (this.CurPos.Line >= this.Lines.Count)
break;
sLine = this.Lines[this.CurPos.Line];
bFirstLine = false;
}
///Если указан стиль оформления границ блока, то надо создать отдельный токен для конца блока
if (group.BoundStyle != null)
{
iChar = this.CurPos.Char + group.EndSymbols.Length;
sLine = this.Lines[this.CurPos.Line];
iCol = TextCaret.GetCol(sLine, iChar, this._TabSize);
endPoint = new TextPoint(this.CurPos.Line, iCol, iChar);
oToken = new Token(
group.EndSymbols, this.CurPos,
endPoint, group.BoundStyle);
tokens.Add(oToken);
this.CurPos = endPoint;
}
}
//=========================================================================================
internal override TextStyle GetStyleFor(Token token, string styleName)
{
if (token.TokenTypeName == "id")
{
if (token.Text.Length > 2)
{
if (token.Text[0] == '@')
{
if (token.Text[1] == '@')
return this.TextStyles[S_SERVER_VARIABLES];
else
return this.TextStyles[S_VARIABLES];
}
}
}
return base.GetStyleFor(token, styleName);
}
//=========================================================================================
/// <summary>Сформировать новый токен.</summary>
Token GetToken(int start, TextPoint pointStart, int end, TextPoint pointEnd)
{
if (start >= end)
return null;
///Определяем тип токена
string sTokenType = (this.CurrentState != null) ? this.CurrentState.ResultTokenName : null;
///Указываем ограничители для текущего токена
this.StartLimiterLength = this.CurrentState.StartLimiterLength;
this.EndLimiterLength = this.CurrentState.EndLimiterLength;
this.LastToken = new Token(
sTokenType,
this._Reader.GetSubstring(start, end - start),
pointStart,
pointEnd,
null);
return this.LastToken;
}
