in batik-css/src/main/java/org/apache/batik/css/parser/Scanner.java [277:801]
protected void nextToken() throws ParseException {
try {
switch (current) {
case -1:
type = LexicalUnits.EOF;
return;
case '{':
nextChar();
type = LexicalUnits.LEFT_CURLY_BRACE;
return;
case '}':
nextChar();
type = LexicalUnits.RIGHT_CURLY_BRACE;
return;
case '=':
nextChar();
type = LexicalUnits.EQUAL;
return;
case '+':
nextChar();
type = LexicalUnits.PLUS;
return;
case ',':
nextChar();
type = LexicalUnits.COMMA;
return;
case ';':
nextChar();
type = LexicalUnits.SEMI_COLON;
return;
case '>':
nextChar();
type = LexicalUnits.PRECEDE;
return;
case '[':
nextChar();
type = LexicalUnits.LEFT_BRACKET;
return;
case ']':
nextChar();
type = LexicalUnits.RIGHT_BRACKET;
return;
case '*':
nextChar();
type = LexicalUnits.ANY;
return;
case '(':
nextChar();
type = LexicalUnits.LEFT_BRACE;
return;
case ')':
nextChar();
type = LexicalUnits.RIGHT_BRACE;
return;
case ':':
nextChar();
type = LexicalUnits.COLON;
return;
case ' ':
case '\t':
case '\r':
case '\n':
case '\f':
do {
nextChar();
} while (ScannerUtilities.isCSSSpace((char)current));
type = LexicalUnits.SPACE;
return;
case '/':
nextChar();
if (current != '*') {
type = LexicalUnits.DIVIDE;
return;
}
// Comment
nextChar();
start = position - 1;
do {
while (current != -1 && current != '*') {
nextChar();
}
do {
nextChar();
} while (current != -1 && current == '*');
} while (current != -1 && current != '/');
if (current == -1) {
throw new ParseException("eof",
reader.getLine(),
reader.getColumn());
}
nextChar();
type = LexicalUnits.COMMENT;
return;
case '\'': // String1
type = string1();
return;
case '"': // String2
type = string2();
return;
case '<':
nextChar();
if (current != '!') {
throw new ParseException("character",
reader.getLine(),
reader.getColumn());
}
nextChar();
if (current == '-') {
nextChar();
if (current == '-') {
nextChar();
type = LexicalUnits.CDO;
return;
}
}
throw new ParseException("character",
reader.getLine(),
reader.getColumn());
case '-':
nextChar();
if (current == 'i') {
return;
}
if (current != '-') {
type = LexicalUnits.MINUS;
return;
}
nextChar();
if (current == '>') {
nextChar();
type = LexicalUnits.CDC;
return;
}
throw new ParseException("character",
reader.getLine(),
reader.getColumn());
case '|':
nextChar();
if (current == '=') {
nextChar();
type = LexicalUnits.DASHMATCH;
return;
}
throw new ParseException("character",
reader.getLine(),
reader.getColumn());
case '~':
nextChar();
if (current == '=') {
nextChar();
type = LexicalUnits.INCLUDES;
return;
}
throw new ParseException("character",
reader.getLine(),
reader.getColumn());
case '#':
nextChar();
if (ScannerUtilities.isCSSNameCharacter((char)current)) {
start = position - 1;
do {
nextChar();
while (current == '\\') {
nextChar();
escape();
}
} while (current != -1 &&
ScannerUtilities.isCSSNameCharacter
((char)current));
type = LexicalUnits.HASH;
return;
}
throw new ParseException("character",
reader.getLine(),
reader.getColumn());
case '@':
nextChar();
switch (current) {
case 'c':
case 'C':
start = position - 1;
if (isEqualIgnoreCase(nextChar(), 'h') &&
isEqualIgnoreCase(nextChar(), 'a') &&
isEqualIgnoreCase(nextChar(), 'r') &&
isEqualIgnoreCase(nextChar(), 's') &&
isEqualIgnoreCase(nextChar(), 'e') &&
isEqualIgnoreCase(nextChar(), 't')) {
nextChar();
type = LexicalUnits.CHARSET_SYMBOL;
return;
}
break;
case 'f':
case 'F':
start = position - 1;
if (isEqualIgnoreCase(nextChar(), 'o') &&
isEqualIgnoreCase(nextChar(), 'n') &&
isEqualIgnoreCase(nextChar(), 't') &&
isEqualIgnoreCase(nextChar(), '-') &&
isEqualIgnoreCase(nextChar(), 'f') &&
isEqualIgnoreCase(nextChar(), 'a') &&
isEqualIgnoreCase(nextChar(), 'c') &&
isEqualIgnoreCase(nextChar(), 'e')) {
nextChar();
type = LexicalUnits.FONT_FACE_SYMBOL;
return;
}
break;
case 'i':
case 'I':
start = position - 1;
if (isEqualIgnoreCase(nextChar(), 'm') &&
isEqualIgnoreCase(nextChar(), 'p') &&
isEqualIgnoreCase(nextChar(), 'o') &&
isEqualIgnoreCase(nextChar(), 'r') &&
isEqualIgnoreCase(nextChar(), 't')) {
nextChar();
type = LexicalUnits.IMPORT_SYMBOL;
return;
}
break;
case 'm':
case 'M':
start = position - 1;
if (isEqualIgnoreCase(nextChar(), 'e') &&
isEqualIgnoreCase(nextChar(), 'd') &&
isEqualIgnoreCase(nextChar(), 'i') &&
isEqualIgnoreCase(nextChar(), 'a')) {
nextChar();
type = LexicalUnits.MEDIA_SYMBOL;
return;
}
break;
case 'p':
case 'P':
start = position - 1;
if (isEqualIgnoreCase(nextChar(), 'a') &&
isEqualIgnoreCase(nextChar(), 'g') &&
isEqualIgnoreCase(nextChar(), 'e')) {
nextChar();
type = LexicalUnits.PAGE_SYMBOL;
return;
}
break;
default:
if (!ScannerUtilities.isCSSIdentifierStartCharacter
((char)current)) {
throw new ParseException("identifier.character",
reader.getLine(),
reader.getColumn());
}
start = position - 1;
}
do {
nextChar();
while (current == '\\') {
nextChar();
escape();
}
} while (current != -1 &&
ScannerUtilities.isCSSNameCharacter((char)current));
type = LexicalUnits.AT_KEYWORD;
return;
case '!':
do {
nextChar();
} while (current != -1 &&
ScannerUtilities.isCSSSpace((char)current));
if (isEqualIgnoreCase(current, 'i') &&
isEqualIgnoreCase(nextChar(), 'm') &&
isEqualIgnoreCase(nextChar(), 'p') &&
isEqualIgnoreCase(nextChar(), 'o') &&
isEqualIgnoreCase(nextChar(), 'r') &&
isEqualIgnoreCase(nextChar(), 't') &&
isEqualIgnoreCase(nextChar(), 'a') &&
isEqualIgnoreCase(nextChar(), 'n') &&
isEqualIgnoreCase(nextChar(), 't')) {
nextChar();
type = LexicalUnits.IMPORTANT_SYMBOL;
return;
}
if (current == -1) {
throw new ParseException("eof",
reader.getLine(),
reader.getColumn());
} else {
throw new ParseException("character",
reader.getLine(),
reader.getColumn());
}
case '0': case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9':
type = number();
return;
case '.':
switch (nextChar()) {
case '0': case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9':
type = dotNumber();
return;
default:
type = LexicalUnits.DOT;
return;
}
case 'u':
case 'U':
nextChar();
switch (current) {
case '+':
boolean range = false;
for (int i = 0; i < 6; i++) {
nextChar();
switch (current) {
case '?':
range = true;
break;
default:
if (range &&
!ScannerUtilities.isCSSHexadecimalCharacter
((char)current)) {
throw new ParseException("character",
reader.getLine(),
reader.getColumn());
}
}
}
nextChar();
if (range) {
type = LexicalUnits.UNICODE_RANGE;
return;
}
if (current == '-') {
nextChar();
if (!ScannerUtilities.isCSSHexadecimalCharacter
((char)current)) {
throw new ParseException("character",
reader.getLine(),
reader.getColumn());
}
nextChar();
if (!ScannerUtilities.isCSSHexadecimalCharacter
((char)current)) {
type = LexicalUnits.UNICODE_RANGE;
return;
}
nextChar();
if (!ScannerUtilities.isCSSHexadecimalCharacter
((char)current)) {
type = LexicalUnits.UNICODE_RANGE;
return;
}
nextChar();
if (!ScannerUtilities.isCSSHexadecimalCharacter
((char)current)) {
type = LexicalUnits.UNICODE_RANGE;
return;
}
nextChar();
if (!ScannerUtilities.isCSSHexadecimalCharacter
((char)current)) {
type = LexicalUnits.UNICODE_RANGE;
return;
}
nextChar();
if (!ScannerUtilities.isCSSHexadecimalCharacter
((char)current)) {
type = LexicalUnits.UNICODE_RANGE;
return;
}
nextChar();
type = LexicalUnits.UNICODE_RANGE;
return;
}
case 'r':
case 'R':
nextChar();
switch (current) {
case 'l':
case 'L':
nextChar();
switch (current) {
case '(':
do {
nextChar();
} while (current != -1 &&
ScannerUtilities.isCSSSpace
((char)current));
switch (current) {
case '\'':
string1();
blankCharacters += 2;
while (current != -1 &&
ScannerUtilities.isCSSSpace
((char)current)) {
blankCharacters++;
nextChar();
}
if (current == -1) {
throw new ParseException
("eof",
reader.getLine(),
reader.getColumn());
}
if (current != ')') {
throw new ParseException
("character",
reader.getLine(),
reader.getColumn());
}
nextChar();
type = LexicalUnits.URI;
return;
case '"':
string2();
blankCharacters += 2;
while (current != -1 &&
ScannerUtilities.isCSSSpace
((char)current)) {
blankCharacters++;
nextChar();
}
if (current == -1) {
throw new ParseException
("eof",
reader.getLine(),
reader.getColumn());
}
if (current != ')') {
throw new ParseException
("character",
reader.getLine(),
reader.getColumn());
}
nextChar();
type = LexicalUnits.URI;
return;
case ')':
throw new ParseException("character",
reader.getLine(),
reader.getColumn());
default:
if (!ScannerUtilities.isCSSURICharacter
((char)current)) {
throw new ParseException
("character",
reader.getLine(),
reader.getColumn());
}
start = position - 1;
do {
nextChar();
} while (current != -1 &&
ScannerUtilities.isCSSURICharacter
((char)current));
blankCharacters++;
while (current != -1 &&
ScannerUtilities.isCSSSpace
((char)current)) {
blankCharacters++;
nextChar();
}
if (current == -1) {
throw new ParseException
("eof",
reader.getLine(),
reader.getColumn());
}
if (current != ')') {
throw new ParseException
("character",
reader.getLine(),
reader.getColumn());
}
nextChar();
type = LexicalUnits.URI;
return;
}
}
}
}
while (current != -1 &&
ScannerUtilities.isCSSNameCharacter((char)current)) {
nextChar();
}
if (current == '(') {
nextChar();
type = LexicalUnits.FUNCTION;
return;
}
type = LexicalUnits.IDENTIFIER;
return;
default:
if (current == '\\') {
do {
nextChar();
escape();
} while(current == '\\');
} else if (!ScannerUtilities.isCSSIdentifierStartCharacter
((char)current)) {
nextChar();
throw new ParseException("identifier.character",
reader.getLine(),
reader.getColumn());
}
// Identifier
while ((current != -1) &&
ScannerUtilities.isCSSNameCharacter((char)current)) {
nextChar();
while (current == '\\') {
nextChar();
escape();
}
}
if (current == '(') {
nextChar();
type = LexicalUnits.FUNCTION;
return;
}
type = LexicalUnits.IDENTIFIER;
return;
}
} catch (IOException e) {
throw new ParseException(e);
}
}