protected String hvalue() throws ParseException {
StringBuffer retval = new StringBuffer();
while (lexer.hasMoreChars()) {
char la = lexer.lookAhead(0);
// Look for a character that can terminate a URL.
if (la == '+'
|| la == '?'
|| la == ':'
|| la == '['
|| la == ']'
|| la == '/'
|| la == '$'
|| la == '_'
|| la == '-'
|| la == '"'
|| la == '!'
|| la == '~'
|| la == '*'
|| la == '.'
|| la == '('
|| la == ')'
|| Lexer.isAlpha(la)
|| Lexer.isDigit(la)) {
lexer.consume(1);
retval.append(la);
} else if (la == '%') {
retval.append(escaped());
} else break;
}
return retval.toString();
}
protected boolean isEscaped() {
try {
char next = lexer.lookAhead(0);
char next1 = lexer.lookAhead(1);
char next2 = lexer.lookAhead(2);
return (next == '%' && Lexer.isHexDigit(next1) && Lexer.isHexDigit(next2));
} catch (Exception ex) {
return false;
}
}
/** Parser for the local phone #. */
private String local_number() throws ParseException {
StringBuffer s = new StringBuffer();
if (debug) dbg_enter("local_number");
try {
int lc = 0;
while (lexer.hasMoreChars()) {
char la = lexer.lookAhead(0);
if (la == '*'
|| la == '#'
|| la == '-'
|| la == '.'
|| la == '('
|| la == ')'
|| Lexer.isDigit(la)) {
lexer.consume(1);
s.append(la);
lc++;
} else if (lc > 0) break;
else throw createParseException("unexepcted " + la);
}
return s.toString();
} finally {
if (debug) dbg_leave("local_number");
}
}
protected String escaped() throws ParseException {
if (debug) dbg_enter("escaped");
try {
StringBuffer retval = new StringBuffer();
char next = lexer.lookAhead(0);
char next1 = lexer.lookAhead(1);
char next2 = lexer.lookAhead(2);
if (next == '%' && Lexer.isHexDigit(next1) && Lexer.isHexDigit(next2)) {
lexer.consume(3);
retval.append(next);
retval.append(next1);
retval.append(next2);
} else throw createParseException("escaped");
return retval.toString();
} finally {
if (debug) dbg_leave("escaped");
}
}
/**
* Parser for telephone subscriber.
*
* @return the parsed telephone number.
*/
public final TelephoneNumber parseTelephoneNumber() throws ParseException {
TelephoneNumber tn;
if (debug) dbg_enter("telephone_subscriber");
lexer.selectLexer("charLexer");
try {
char c = lexer.lookAhead(0);
if (c == '+') tn = global_phone_number();
else if (Lexer.isAlpha(c)
|| Lexer.isDigit(c)
|| c == '-'
|| c == '*'
|| c == '.'
|| c == '('
|| c == ')'
|| c == '#') {
tn = local_phone_number();
} else throw createParseException("unexpected char " + c);
return tn;
} finally {
if (debug) dbg_leave("telephone_subscriber");
}
}
protected String uricNoSlash() {
if (debug) dbg_enter("uricNoSlash");
try {
try {
char la = lexer.lookAhead(0);
if (isEscaped()) {
String retval = lexer.charAsString(3);
lexer.consume(3);
return retval;
} else if (isUnreserved(la)) {
lexer.consume(1);
return Lexer.charAsString(la);
} else if (isReservedNoSlash(la)) {
lexer.consume(1);
return Lexer.charAsString(la);
} else return null;
} catch (ParseException ex) {
return null;
}
} finally {
if (debug) dbg_leave("uricNoSlash");
}
}
/** Parser for the base phone number. */
private String base_phone_number() throws ParseException {
StringBuffer s = new StringBuffer();
if (debug) dbg_enter("base_phone_number");
try {
int lc = 0;
while (lexer.hasMoreChars()) {
char w = lexer.lookAhead(0);
if (Lexer.isDigit(w) || w == '-' || w == '.' || w == '(' || w == ')') {
lexer.consume(1);
s.append(w);
lc++;
} else if (lc > 0) break;
else throw createParseException("unexpected " + w);
}
return s.toString();
} finally {
if (debug) dbg_leave("base_phone_number");
}
}
protected static boolean isUnreserved(char next) {
return Lexer.isAlpha(next) || Lexer.isDigit(next) || isMark(next);
}