/// <summary>
/// Reads a maximum of count characters from the current stream and writes the data to buffer, beginning at index.
/// </summary>
/// <param name="buffer">The buffer to receive the characters.</param>
/// <param name="index">The position in buffer at which to begin writing.</param>
/// <param name="count">The maximum number of characters to read.</param>
/// <returns>The actual number of characters that have been read. The number will be less than or equal to count.</returns>
/// <exception cref="System.ArgumentNullException">buffer is null.</exception>
/// <exception cref="System.ArgumentOutOfRangeException">The buffer length minus index is less than count.</exception>
/// <exception cref="System.ArgumentOutOfRangeException">index or count is negative.</exception>
public override int ReadBlock(char[] buffer, int index, int count)
{
if (_data != null)
{
var bufferRemaining = BufferRemaining;
if (count < bufferRemaining)
{
// buffer larger than read size
_data.CopyTo(_dataIndex, buffer, index, count);
return(count);
}
else
{
// buffer smaller or equal to read size
_data.CopyTo(_dataIndex, buffer, index, bufferRemaining);
if (count > bufferRemaining)
{
// buffer is smaller; read rest
var rest = _scintilla.GetTextRange(
_nextData,
Math.Min(count - bufferRemaining, UnbufferedRemaining));
rest.CopyTo(0, buffer, index + bufferRemaining, rest.Length);
count = bufferRemaining + rest.Length;
_nextData += rest.Length;
}
// read at least up to buffer's end; refill buffer
BufferNextRegion();
return(count);
}
}
else
{
return(0);
}
}
private void Lowercase()
{
// save the selection
int start = _textArea.SelectionStart;
int end = _textArea.SelectionEnd;
// modify the selected text
_textArea.ReplaceSelection(_textArea.GetTextRange(start, end - start).ToLower());
// preserve the original selection
_textArea.SetSelection(start, end);
}
private void Lowercase()
{
// save the selection
int start = TextArea.SelectionStart;
int end = TextArea.SelectionEnd;
// modify the selected text
TextArea.ReplaceSelection(TextArea.GetTextRange(start, end - start).ToLower());
// preserve the original selection
TextArea.SetSelection(start, end);
addRecentCommand(LOWERCASE);
}
private void ContextMenu_Popup(System.Object sender, System.EventArgs e)
{
scintilla1.ContextMenu.MenuItems.Clear();
scintilla1.ContextMenu.MenuItems.Add(new MenuItem("Copy", (s, ea) => scintilla1.Copy()));
scintilla1.ContextMenu.MenuItems.Add(new MenuItem("Select All", (s, ea) => scintilla1.SelectAll()));
System.Drawing.Point point = System.Windows.Forms.Control.MousePosition;
var cor = scintilla1.PointToClient(point);
var pos = scintilla1.CharPositionFromPoint(cor.X, cor.Y);
int startPos = ValueStartPosition(pos);
int endPos = ValueEndPosition(pos);
string text = scintilla1.GetTextRange(startPos, endPos - startPos);
if ((text.StartsWith("http://") || text.StartsWith("https://")))
{
scintilla1.ContextMenu.MenuItems.Add("-");
scintilla1.ContextMenu.MenuItems.Add(new MenuItem("Open in Browser", (s, ea) => Process.Start(text)));
if (text.EndsWith(".jpg") || text.EndsWith(".png"))
{
scintilla1.ContextMenu.MenuItems.Add(new MenuItem("Open Image in new Window", (s, ea) =>
{
new ImageViewer(text).ShowDialog();
}));
scintilla1.ContextMenu.MenuItems.Add(new MenuItem("Save Image", (s, ea) =>
{
SaveFileDialog saveFileDialog1 = new SaveFileDialog();
saveFileDialog1.RestoreDirectory = true;
saveFileDialog1.FileName = text.Split('/').Last();
saveFileDialog1.Filter = "Image Files|*." + text.Split('.').Last();
if (saveFileDialog1.ShowDialog() == DialogResult.OK)
{
using (var webClient = new WebClient())
{
webClient.DownloadFile(text, saveFileDialog1.FileName);
}
}
}));
}
}
}
private string GetUrlAtPosition(int position)
{
// Determine whether the specified position is on our 'URL indicator'
// and if so whether it is a valid URL.
var urlIndicator = m_rScintilla_TextArea.Indicators[0];
var bitmapFlag = (1 << urlIndicator.Index);
var bitmap = m_rScintilla_TextArea.IndicatorAllOnFor(position);
var hasUrlIndicator = ((bitmapFlag & bitmap) == bitmapFlag);
if (hasUrlIndicator)
{
var startPos = urlIndicator.Start(position);
var endPos = urlIndicator.End(position);
var text = m_rScintilla_TextArea.GetTextRange(startPos, endPos - startPos).Trim();
if (Uri.IsWellFormedUriString(text, UriKind.Absolute))
{
return(text);
}
}
return(null);
}
/// <summary>
/// Get the current cursor at the forward word
/// </summary>
/// <returns></returns>
public string GetCurrentWord()
{
int currentPos = TextArea.CurrentPosition;
int size = 64;
int beg = currentPos - (size - 1);
beg = beg > 0 ? beg : 0;
int end = currentPos;
size = end - beg;
String txtRange = TextArea.GetTextRange(beg, size);
string[] arr = txtRange.Split(_Spliter);
return(arr[arr.Length - 1]);
}
public void Style(Scintilla scintilla, int startPos, int endPos)
{
// 改行コードをWindowsフォーマット(CR+LF)またはUnixフォーマット(LF)から
// Macフォーマット(CR)にしたときに発生する例外(IndexOutOfRangeException)を回避
startPos = startPos < 0 ? 0 : startPos;
endPos = endPos > scintilla.TextLength ? scintilla.TextLength : endPos;
int lineNumber = scintilla.LineFromPosition(startPos);
startPos = scintilla.Lines[lineNumber].Position;
char chBeforePrev = '\0';
char chPrev = '\0';
char ch = '\0';
char chNext = '\0';
char chAfterNext = '\0';
int length = 0;
ParseState state = ParseState.None;
switch (scintilla.GetStyleAt(startPos - 1)) {
case HspLexer.StylePreprocessor:
state = ParseState.AfterPreprocessor;
break;
case HspLexer.StyleString:
state = ParseState.String;
break;
case HspLexer.StyleComment:
state = ParseState.Comment;
break;
}
scintilla.StartStyling(startPos);
int currentPos = startPos;
int currentLine = lineNumber;
int currentLineStartPos = startPos;
int currentLineEndPos = scintilla.Lines[lineNumber].EndPosition;
while (currentPos < endPos) {
chBeforePrev = (char)scintilla.GetCharAt(currentPos - 2);
chPrev = (char)scintilla.GetCharAt(currentPos - 1);
ch = (char)scintilla.GetCharAt(currentPos);
chNext = (char)scintilla.GetCharAt(currentPos + 1);
chAfterNext = (char)scintilla.GetCharAt(currentPos + 2);
Process:
switch (state) {
case ParseState.None:
if (ch == '\"') {
// 文字列
scintilla.SetStyling(1, HspLexer.StyleStringLine);
state = ParseState.StringLine;
} else if (ch == '{' && chNext == '\"') {
// 複数行文字列
scintilla.SetStyling(2, HspLexer.StyleString);
state = ParseState.String;
++currentPos;
} else if (ch == '\'') {
// 文字
scintilla.SetStyling(1, HspLexer.StyleCharacter);
state = ParseState.Character;
} else if (ch == ';') {
// 単一行コメント
scintilla.SetStyling(1, HspLexer.StyleCommentLine);
state = ParseState.CommentLine;
} else if (ch == '/' && chNext == '/') {
// 単一行コメント
scintilla.SetStyling(2, HspLexer.StyleCommentLine);
state = ParseState.CommentLine;
++currentPos;
} else if (ch == '/' && chNext == '*') {
// 複数行コメント
scintilla.SetStyling(2, HspLexer.StyleComment);
state = ParseState.Comment;
++currentPos;
} else if (ch == '*' && (Char.IsLetter(chNext) || chNext == '_') &&
String.IsNullOrWhiteSpace(scintilla.GetTextRange(
currentLineStartPos, currentPos - currentLineStartPos))) {
// ラベル
scintilla.SetStyling(2, HspLexer.StyleLabel);
state = ParseState.Label;
++currentPos;
} else if (ch == '#' && length == 0 &&
String.IsNullOrWhiteSpace(scintilla.GetTextRange(
currentLineStartPos, currentPos - currentLineStartPos))) {
// プリプロセッサ
state = ParseState.Preprocessor;
goto Process;
} else if ((Char.IsLetter(ch) || ch == '_') && length == 0) {
// 識別子
state = ParseState.Identifier;
goto Process;
} else if (ch == ':') {
// 行区切り
currentLineStartPos = currentPos + 1;
scintilla.SetStyling(1, HspLexer.StyleDefault);
} else if (ch == '\0') {
// NULL文字の場合はすぐreturn
return;
} else {
scintilla.SetStyling(1, HspLexer.StyleDefault);
}
break;
case ParseState.StringLine:
if (ch == '\\' && chNext == '\\') {
// エスケープシーケンス '\\'
scintilla.SetStyling(2, HspLexer.StyleStringLine);
++currentPos;
} else if (ch == '\\' && chNext == '\"') {
// エスケープシーケンス '\"'
scintilla.SetStyling(2, HspLexer.StyleStringLine);
++currentPos;
} else if (ch == '\"') {
scintilla.SetStyling(1, HspLexer.StyleStringLine);
state = ParseState.None;
} else {
scintilla.SetStyling(1, HspLexer.StyleStringLine);
}
break;
case ParseState.String:
if (ch == '\\' && chNext == '\\') {
// エスケープシーケンス '\\'
scintilla.SetStyling(2, HspLexer.StyleString);
++currentPos;
} else if (ch == '\\' && chNext == '\"') {
// エスケープシーケンス '\"'
scintilla.SetStyling(2, HspLexer.StyleString);
++currentPos;
} else if (ch == '\"' && chNext == '}') {
scintilla.SetStyling(2, HspLexer.StyleString);
state = ParseState.None;
++currentPos;
} else {
scintilla.SetStyling(1, HspLexer.StyleString);
}
break;
case ParseState.Character:
if (ch == '\'') {
scintilla.SetStyling(1, HspLexer.StyleCharacter);
state = ParseState.None;
} else {
scintilla.SetStyling(1, HspLexer.StyleCharacter);
}
break;
case ParseState.CommentLine:
if (ch == '\n') {
scintilla.SetStyling(1, HspLexer.StyleCommentLine);
state = ParseState.None;
} else {
scintilla.SetStyling(1, HspLexer.StyleCommentLine);
}
break;
case ParseState.Comment:
if (ch == '*' && chNext == '/') {
scintilla.SetStyling(2, HspLexer.StyleComment);
state = ParseState.None;
++currentPos;
} else {
scintilla.SetStyling(1, HspLexer.StyleComment);
}
break;
case ParseState.Label:
if (Char.IsLetterOrDigit(ch) || ch == '_') {
scintilla.SetStyling(1, HspLexer.StyleLabel);
} else {
state = ParseState.None;
goto Process;
}
break;
case ParseState.Preprocessor:
if (ch == '#' && length == 0 &&
String.IsNullOrWhiteSpace(scintilla.GetTextRange(
currentLineStartPos, currentPos - currentLineStartPos))) {
++length;
} else if ((ch == '\t' || ch == '\u0020' || ch == '\u3000') && length == 1) {
// '#' の後のタブ文字, 半角スペース, 全角スペースの場合
state = ParseState.SpaceInPreprocessor;
goto Process;
} else if ((Char.IsLetter(ch) || ch == '_') && length == 1) {
++length;
} else if ((Char.IsLetterOrDigit(ch) || ch == '_') && length > 1) {
++length;
} else {
int style = HspLexer.StyleDefault;
string identifier = scintilla.GetTextRange(currentPos - length, length);
char[] removeChars = { '\t', '\u0020', '\u3000' };
identifier = removeChars.Aggregate(identifier, (s, c) => s.Replace(c.ToString(), String.Empty));
identifier = identifier.ToLower();
if (this.mKeywords.ContainsKey(identifier)) {
switch (this.mKeywords[identifier].mType) {
case KeywordType.Preprocessor:
style = HspLexer.StylePreprocessor;
break;
}
}
scintilla.SetStyling(length, style);
length = 0;
switch (style) {
case HspLexer.StyleDefault:
state = ParseState.None;
break;
case HspLexer.StylePreprocessor:
state = ParseState.AfterPreprocessor;
break;
}
goto Process;
}
break;
case ParseState.SpaceInPreprocessor:
if ((ch == '\t' || ch == '\u0020' || ch == '\u3000')) {
++length;
} else if ((Char.IsLetter(ch) || ch == '_')) {
state = ParseState.Preprocessor;
goto Process;
} else {
scintilla.SetStyling(length, HspLexer.StyleDefault);
length = 0;
state = ParseState.None;
goto Process;
}
break;
case ParseState.AfterPreprocessor:
if (ch == '\\' && chNext == '\r' && chAfterNext == '\n') {
scintilla.SetStyling(3, HspLexer.StylePreprocessor);
currentPos += 2;
} else if (ch == '\\' && chNext == '\n') {
scintilla.SetStyling(2, HspLexer.StylePreprocessor);
++currentPos;
} else if (ch == '\r' && chNext == '\n') {
scintilla.SetStyling(2, HspLexer.StyleDefault);
state = ParseState.None;
++currentPos;
} else if (ch == '\n') {
scintilla.SetStyling(1, HspLexer.StyleDefault);
state = ParseState.None;
} else {
scintilla.SetStyling(1, HspLexer.StylePreprocessor);
}
break;
case ParseState.Identifier:
if (Char.IsLetterOrDigit(ch) || ch == '_') {
++length;
} else {
int style = HspLexer.StyleDefault;
string identifier = scintilla.GetTextRange(currentPos - length, length);
identifier = identifier.ToLower();
if (this.mKeywords.ContainsKey(identifier)) {
switch (this.mKeywords[identifier].mType) {
case KeywordType.Macro:
style = HspLexer.StyleMacro;
break;
case KeywordType.Function:
style = HspLexer.StyleFunction;
break;
case KeywordType.Type:
style = HspLexer.StyleType;
break;
}
}
scintilla.SetStyling(length, style);
length = 0;
state = ParseState.None;
goto Process;
}
break;
}
++currentPos;
currentLine = scintilla.LineFromPosition(currentPos);
if (currentLineStartPos < scintilla.Lines[currentLine].Position) {
currentLineStartPos = scintilla.Lines[currentLine].Position;
}
currentLineEndPos = scintilla.Lines[currentLine].EndPosition;
}
}
public void StyleText(Scintilla scintilla, int startPos, int endPos)
{
if(scintilla.GetCharAt(0) != '=') //Not Expression
return;
// Back up to the line start
var line = scintilla.LineFromPosition(startPos);
startPos = scintilla.Lines[line].Position;
var length = 0;
char stringStartChar = '"';
var state = LexerState.Unknown;
var EOF = false;
// Start styling
scintilla.StartStyling(startPos);
while (startPos < endPos)
{
var c = (char)scintilla.GetCharAt(startPos);
//lastSymbol = startPos == endPos - 1;
REPROCESS:
switch (state)
{
case LexerState.Unknown:
if (c == '"' || c == '\'')
{
// Start of "string"
stringStartChar = c;
scintilla.SetStyling(1, (int)Style.String);
state = LexerState.String;
}
else if (c == '{')
{
state = LexerState.Braces;
goto REPROCESS;
}
else if (Char.IsDigit(c))
{
state = LexerState.Number;
goto REPROCESS;
}
else if (Char.IsLetter(c))
{
state = LexerState.Identifier;
goto REPROCESS;
}
else if (operators.Any(x => x[0] == c))
{
state = LexerState.Operator;
goto REPROCESS;
}
else
{
// Everything else
scintilla.SetStyling(1, (int)Style.Default);
}
break;
case LexerState.String:
if (c == stringStartChar)
{
length++;
scintilla.SetStyling(length, (int)Style.String);
length = 0;
state = LexerState.Unknown;
}
else
{
length++;
}
break;
case LexerState.Braces:
if (c == '}')
{
length++;
var style = Style.Identifier;
var identifier = scintilla.GetTextRange(startPos - length + 2, length - 2);
if (identifier.Length == 0)
{
style = Style.Error;
}
else if (identifier[0] == '!')
{
if (userInfo.Contains(identifier.Substring(1)))
style = Style.UserInfo;
else
style = Style.Error;
}
else if (identifier[0] == '@')
{
if (globals.Contains(identifier.Substring(1)))
style = Style.Globals;
else
style = Style.Error;
}
else if (identifier[0] == '?' && parameters != null)
{
if (parameters.Contains(identifier.Substring(1)))
style = Style.Parameter;
else
style = Style.Error;
}
else
{
if (fields.Contains(identifier))
style = Style.Field;
else
style = Style.Error;
}
scintilla.SetStyling(length, (int)style);
length = 0;
state = LexerState.Unknown;
}
else
length++;
break;
case LexerState.Number:
if (Char.IsDigit(c) || (c >= 'a' && c <= 'f') || (c >= 'A' && c <= 'F') || c == 'x')
{
length++;
}
else
{
scintilla.SetStyling(length, (int)Style.Number);
length = 0;
state = LexerState.Unknown;
goto REPROCESS;
}
break;
case LexerState.Identifier:
if (!EOF && (Char.IsLetterOrDigit(c) || c == '.' || c == '!' || c == '_'))
{
length++;
}
else
{
var style = Style.Identifier;
var identifier = scintilla.GetTextRange(startPos - length, length);
var endFirstWord = identifier.IndexOf('.');
if (endFirstWord != -1)
{
var firstWord = identifier.Substring(0, endFirstWord);
var secondWord = identifier.Substring(endFirstWord + 1);
if (calssMethods.ContainsKey(firstWord) && calssMethods[firstWord].Contains(secondWord))
{
style = Style.Method;
}
else
style = Style.Error;
}
endFirstWord = identifier.IndexOf('!');
if (endFirstWord != -1)
{
var firstWord = identifier.Substring(0, endFirstWord);
var secondWord = identifier.Substring(endFirstWord +1);
if (firstWord == "User")
{
if (userInfo.Contains(secondWord))
style = Style.UserInfo;
else
style = Style.Error;
}
if (firstWord == "Globals")
{
if (globals.Contains(secondWord))
style = Style.Globals;
else
style = Style.Error;
}
if (firstWord == "Parameters")
{
if (globals.Contains(secondWord))
style = Style.Parameter;
else
style = Style.Error;
}
if (firstWord == "Fields")
{
var field = secondWord.Split('.');
if (field.Length == 2 && fields.Contains(field[0])
&& (field[1] == "Value" || field[1] == "IsMissing"))
style = Style.Field;
else
style = Style.Error;
}
}
if (simpleMethods.Contains(identifier))
style = Style.Method;
if (aggrMethods.Contains(identifier))
style = Style.AggrMethod;
scintilla.SetStyling(length, (int)style);
length = 0;
state = LexerState.Unknown;
if(!EOF)
goto REPROCESS;
}
break;
case LexerState.Operator:
var cur = scintilla.GetTextRange(startPos - length, length +1);
if (operators.Any(x => x.StartsWith(cur)))
{
length++;
}
else
{
cur = scintilla.GetTextRange(startPos - length, length);
Style style;
if (operators.Contains(cur))
{
//length++;
style = Style.Operator;
}
else
{
style = Style.Error;
}
scintilla.SetStyling(length, (int)style);
length = 0;
state = LexerState.Unknown;
goto REPROCESS;
}
break;
}
startPos++;
if (!EOF && startPos == endPos && state == LexerState.Identifier)
{
EOF = true;
goto REPROCESS;
}
}
}
