protected void paintSyntaxLine(
Graphics gfx,
TokenMarker tokenMarker,
int line,
Font defaultFont,
Color defaultColor,
int x,
int y) {
textArea.getLineText(currentLineIndex, currentLine);
currentLineTokens = tokenMarker.markTokens(currentLine, currentLineIndex);
paintHighlight(gfx, line, y);
gfx.setFont(defaultFont);
gfx.setColor(defaultColor);
y += fm.getHeight();
x = SyntaxUtilities.paintSyntaxLine(currentLine, currentLineTokens, styles, this, gfx, x, y);
if (eolMarkers) {
gfx.setColor(eolMarkerColor);
gfx.drawString(".", x, y);
}
}
public byte markTokensImpl(byte token, Segment line, int lineIndex) {
char[] array = line.array;
byte cmdState = 0; // 0 = space before command, 1 = inside
// command, 2 = after command
int offset = line.offset;
int lastOffset = offset;
int length = line.count + offset;
if (token == Token.LITERAL1 && lineIndex != 0 && lineInfo[lineIndex - 1].obj != null) {
String str = (String) lineInfo[lineIndex - 1].obj;
if (str != null
&& str.length() == line.count
&& SyntaxUtilities.regionMatches(false, line, offset, str)) {
addToken(line.count, Token.LITERAL1);
return Token.NULL;
} else {
addToken(line.count, Token.LITERAL1);
lineInfo[lineIndex].obj = str;
return Token.LITERAL1;
}
}
boolean backslash = false;
loop:
for (int i = offset; i < length; i++) {
int i1 = (i + 1);
char c = array[i];
if (c == '\\') {
backslash = !backslash;
continue;
}
switch (token) {
case Token.NULL:
switch (c) {
case ' ':
case '\t':
case '(':
case ')':
backslash = false;
if (cmdState == 1 /*insideCmd*/) {
addToken(i - lastOffset, Token.KEYWORD1);
lastOffset = i;
cmdState = 2; /*afterCmd*/
}
break;
case '=':
backslash = false;
if (cmdState == 1 /*insideCmd*/) {
addToken(i - lastOffset, token);
lastOffset = i;
cmdState = 2; /*afterCmd*/
}
break;
case '&':
case '|':
case ';':
if (backslash) backslash = false;
else cmdState = 0; /*beforeCmd*/
break;
case '#':
if (backslash) backslash = false;
else {
addToken(i - lastOffset, token);
addToken(length - i, Token.COMMENT1);
lastOffset = length;
break loop;
}
break;
case '$':
if (backslash) backslash = false;
else {
addToken(i - lastOffset, token);
cmdState = 2; /*afterCmd*/
lastOffset = i;
if (length - i >= 2) {
switch (array[i1]) {
case '(':
continue;
case '{':
token = LVARIABLE;
break;
default:
token = Token.KEYWORD2;
break;
}
} else token = Token.KEYWORD2;
}
break;
case '"':
if (backslash) backslash = false;
else {
addToken(i - lastOffset, token);
token = Token.LITERAL1;
lineInfo[lineIndex].obj = null;
cmdState = 2; /*afterCmd*/
lastOffset = i;
}
break;
case '\'':
if (backslash) backslash = false;
else {
addToken(i - lastOffset, token);
token = Token.LITERAL2;
cmdState = 2; /*afterCmd*/
lastOffset = i;
}
break;
case '<':
if (backslash) backslash = false;
else {
if (length - i > 1 && array[i1] == '<') {
addToken(i - lastOffset, token);
token = Token.LITERAL1;
lastOffset = i;
lineInfo[lineIndex].obj = new String(array, i + 2, length - (i + 2));
}
}
break;
default:
backslash = false;
if (Character.isLetter(c)) {
if (cmdState == 0 /*beforeCmd*/) {
addToken(i - lastOffset, token);
lastOffset = i;
cmdState++; /*insideCmd*/
}
}
break;
}
break;
case Token.KEYWORD2:
backslash = false;
if (!Character.isLetterOrDigit(c) && c != '_') {
if (i != offset && array[i - 1] == '$') {
addToken(i1 - lastOffset, token);
lastOffset = i1;
token = Token.NULL;
continue;
} else {
addToken(i - lastOffset, token);
lastOffset = i;
token = Token.NULL;
}
}
break;
case Token.LITERAL1:
if (backslash) backslash = false;
else if (c == '"') {
addToken(i1 - lastOffset, token);
cmdState = 2; /*afterCmd*/
lastOffset = i1;
token = Token.NULL;
} else backslash = false;
break;
case Token.LITERAL2:
if (backslash) backslash = false;
else if (c == '\'') {
addToken(i1 - lastOffset, Token.LITERAL1);
cmdState = 2; /*afterCmd*/
lastOffset = i1;
token = Token.NULL;
} else backslash = false;
break;
case LVARIABLE:
backslash = false;
if (c == '}') {
addToken(i1 - lastOffset, Token.KEYWORD2);
lastOffset = i1;
token = Token.NULL;
}
break;
default:
throw new InternalError("Invalid state: " + token);
}
}
switch (token) {
case Token.NULL:
if (cmdState == 1) addToken(length - lastOffset, Token.KEYWORD1);
else addToken(length - lastOffset, token);
break;
case Token.LITERAL2:
addToken(length - lastOffset, Token.LITERAL1);
break;
case Token.KEYWORD2:
addToken(length - lastOffset, token);
token = Token.NULL;
break;
case LVARIABLE:
addToken(length - lastOffset, Token.INVALID);
token = Token.NULL;
break;
default:
addToken(length - lastOffset, token);
break;
}
return token;
}
