Examples with IonException com.amazon.ion.IonException used on opensource projects

Example 46 with IonException

use of com.amazon.ion.IonException in project ion-java by amzn.

the class IonReaderTextRawTokensX method nextToken.

public final int nextToken() throws IOException {
    int t = -1;
    int c, c2;
    if (_unfinished_token) {
        c = skip_to_end(null);
    } else {
        c = skip_over_whitespace();
    }
    _unfinished_token = true;
    switch(c) {
        case -1:
            return next_token_finish(IonTokenConstsX.TOKEN_EOF, true);
        case '/':
            unread_char(c);
            return next_token_finish(IonTokenConstsX.TOKEN_SYMBOL_OPERATOR, true);
        case ':':
            c2 = read_char();
            if (c2 != ':') {
                unread_char(c2);
                return next_token_finish(IonTokenConstsX.TOKEN_COLON, true);
            }
            return next_token_finish(IonTokenConstsX.TOKEN_DOUBLE_COLON, true);
        case '{':
            c2 = read_char();
            if (c2 != '{') {
                unread_char(c2);
                // CAS: 9 nov 2009
                return next_token_finish(IonTokenConstsX.TOKEN_OPEN_BRACE, true);
            }
            return next_token_finish(IonTokenConstsX.TOKEN_OPEN_DOUBLE_BRACE, true);
        case '}':
            // two structs together. see tryForDoubleBrace() below
            return next_token_finish(IonTokenConstsX.TOKEN_CLOSE_BRACE, false);
        case '[':
            // CAS: 9 nov 2009
            return next_token_finish(IonTokenConstsX.TOKEN_OPEN_SQUARE, true);
        case ']':
            return next_token_finish(IonTokenConstsX.TOKEN_CLOSE_SQUARE, false);
        case '(':
            // CAS: 9 nov 2009
            return next_token_finish(IonTokenConstsX.TOKEN_OPEN_PAREN, true);
        case ')':
            return next_token_finish(IonTokenConstsX.TOKEN_CLOSE_PAREN, false);
        case ',':
            return next_token_finish(IonTokenConstsX.TOKEN_COMMA, false);
        case '.':
            c2 = read_char();
            unread_char(c2);
            if (IonTokenConstsX.isValidExtendedSymbolCharacter(c2)) {
                unread_char('.');
                return next_token_finish(IonTokenConstsX.TOKEN_SYMBOL_OPERATOR, true);
            }
            return next_token_finish(IonTokenConstsX.TOKEN_DOT, false);
        case '\'':
            if (is_2_single_quotes_helper()) {
                return next_token_finish(IonTokenConstsX.TOKEN_STRING_TRIPLE_QUOTE, true);
            }
            // unread_char(c);
            return next_token_finish(IonTokenConstsX.TOKEN_SYMBOL_QUOTED, true);
        case '+':
            if (// this will consume the inf if it succeeds
            peek_inf_helper(c)) {
                return next_token_finish(IonTokenConstsX.TOKEN_FLOAT_INF, false);
            }
            unread_char(c);
            return next_token_finish(IonTokenConstsX.TOKEN_SYMBOL_OPERATOR, true);
        case '#':
        case '<':
        case '>':
        case '*':
        case '=':
        case '^':
        case '&':
        case '|':
        case '~':
        case ';':
        case '!':
        case '?':
        case '@':
        case '%':
        case '`':
            unread_char(c);
            return next_token_finish(IonTokenConstsX.TOKEN_SYMBOL_OPERATOR, true);
        case '"':
            return next_token_finish(IonTokenConstsX.TOKEN_STRING_DOUBLE_QUOTE, true);
        case 'a':
        case 'b':
        case 'c':
        case 'd':
        case 'e':
        case 'f':
        case 'g':
        case 'h':
        case 'i':
        case 'j':
        case 'k':
        case 'l':
        case 'm':
        case 'n':
        case 'o':
        case 'p':
        case 'q':
        case 'r':
        case 's':
        case 't':
        case 'u':
        case 'v':
        case 'w':
        case 'x':
        case 'y':
        case 'z':
        case 'A':
        case 'B':
        case 'C':
        case 'D':
        case 'E':
        case 'F':
        case 'G':
        case 'H':
        case 'I':
        case 'J':
        case 'K':
        case 'L':
        case 'M':
        case 'N':
        case 'O':
        case 'P':
        case 'Q':
        case 'R':
        case 'S':
        case 'T':
        case 'U':
        case 'V':
        case 'W':
        case 'X':
        case 'Y':
        case 'Z':
        case '$':
        case '_':
            unread_char(c);
            return next_token_finish(IonTokenConstsX.TOKEN_SYMBOL_IDENTIFIER, true);
        case '0':
        case '1':
        case '2':
        case '3':
        case '4':
        case '5':
        case '6':
        case '7':
        case '8':
        case '9':
            t = scan_for_numeric_type(c);
            unread_char(c);
            return next_token_finish(t, true);
        case '-':
            // see if we have a number or what might be an extended symbol
            c2 = read_char();
            unread_char(c2);
            if (IonTokenConstsX.isDigit(c2)) {
                t = scan_negative_for_numeric_type(c);
                unread_char(c);
                return next_token_finish(t, true);
            } else if (// this will consume the inf if it succeeds
            peek_inf_helper(c)) {
                return next_token_finish(IonTokenConstsX.TOKEN_FLOAT_MINUS_INF, false);
            } else {
                unread_char(c);
                return next_token_finish(IonTokenConstsX.TOKEN_SYMBOL_OPERATOR, true);
            }
        default:
            // throws
            bad_token_start(c);
    }
    throw new IonException("invalid state: next token switch shouldn't exit");
}

Example 47 with IonException

use of com.amazon.ion.IonException in project ion-java by amzn.

the class IonReaderTextSystemX method newBytes.

public byte[] newBytes() {
    ensureLob("newBytes");
    byte[] bytes;
    int len;
    try {
        len = load_lob_contents();
    } catch (IOException e) {
        throw new IonException(e);
    }
    bytes = new byte[len];
    System.arraycopy(_lob_bytes, 0, bytes, 0, len);
    return bytes;
}

Example 48 with IonException

use of com.amazon.ion.IonException in project ion-java by amzn.

the class IonTokenConstsX method decodeSid.

public static int decodeSid(CharSequence sidToken) {
    assert sidToken.charAt(0) == '$';
    int length = sidToken.length();
    assert length > 1;
    String digits = sidToken.subSequence(1, length).toString();
    try {
        return Integer.parseInt(digits);
    } catch (Exception e) {
        throw new IonException(String.format("Unable to parse SID %s", digits), e);
    }
}

Example 49 with IonException

use of com.amazon.ion.IonException in project ion-java by amzn.

the class IonTokenReader method next.

private Type next(int c, boolean is_in_expression) throws IOException {
    int c2;
    t = Type.none;
    isIncomplete = false;
    switch(c) {
        case -1:
            return (t = Type.eof);
        case '{':
            c2 = read();
            if (c2 == '{') {
                return (t = Type.tOpenDoubleCurly);
            }
            unread(c2);
            return (t = Type.tOpenCurly);
        case '}':
            return (t = Type.tCloseCurly);
        case '[':
            return (t = Type.tOpenSquare);
        case ']':
            return (t = Type.tCloseSquare);
        case '(':
            return (t = Type.tOpenParen);
        case ')':
            return (t = Type.tCloseParen);
        case ',':
            return (t = Type.tComma);
        case '0':
        case '1':
        case '2':
        case '3':
        case '4':
        case '5':
        case '6':
        case '7':
        case '8':
        case '9':
            return readNumber(c);
        case '\"':
            inQuotedContent = true;
            // anything in quotes isn't a keyword
            this.keyword = Type.none;
            return scanString(c, _Private_IonConstants.lnIsVarLen - 1);
        case '\'':
            c2 = read();
            if (c2 == '\'') {
                c2 = read();
                if (c2 == '\'') {
                    return scanLongString();
                }
                this.unread(c2);
                // restore c2 for the next unread
                c2 = '\'';
            }
            this.unread(c2);
            inQuotedContent = true;
            return scanIdentifier(c);
        case '+':
            c2 = read();
            if (c2 == 'i') {
                c2 = read();
                if (c2 == 'n') {
                    c2 = read();
                    if (c2 == 'f') {
                        return (t = Type.kwPosInf);
                    }
                    this.unread(c2);
                    c2 = 'n';
                }
                this.unread(c2);
                c2 = 'i';
            }
            this.unread(c2);
            if (is_in_expression) {
                return scanOperator(c);
            }
            // break to error
            break;
        case '-':
            c2 = read();
            if (c2 >= '0' && c2 <= '9') {
                this.unread(c2);
                return readNumber(c);
            }
            if (c2 == 'i') {
                c2 = read();
                if (c2 == 'n') {
                    c2 = read();
                    if (c2 == 'f') {
                        return (t = Type.kwNegInf);
                    }
                    this.unread(c2);
                    c2 = 'n';
                }
                this.unread(c2);
                c2 = 'i';
            }
            this.unread(c2);
            if (is_in_expression) {
                return scanOperator(c);
            }
            // break to error
            break;
        default:
            if (IonTextUtils.isIdentifierStart(c)) {
                return scanIdentifier(c);
            }
            if (is_in_expression && isOperatorPart(c)) {
                return scanOperator(c);
            }
    }
    String message = "Unexpected character " + printCodePointAsString(c) + " encountered at line " + this.getLineNumber() + " column " + this.getColumn();
    throw new IonException(message);
}

Example 50 with IonException

use of com.amazon.ion.IonException in project ion-java by amzn.

the class IonTokenReader method scanString.

public Type scanString(int c, int maxlookahead) throws IOException {
    // reset out local value buffer
    resetValue();
    if (c != '\"') {
        throw new IonException("Programmer error! Only a quote should get you here.");
    }
    endquote = '\"';
    sizedloop: while (maxlookahead-- > 0) {
        switch((c = this.read())) {
            // TODO deoptimize, throw exception
            case -1:
                break sizedloop;
            case '\"':
                break sizedloop;
            case '\n':
                throw new IonException("unexpected line terminator encountered in quoted string");
            case '\\':
                c = readEscapedCharacter(this.in, false);
                // throws UnexpectedEofException on EOF
                if (c != EMPTY_ESCAPE_SEQUENCE) {
                    value.appendCodePoint(c);
                }
                break;
            default:
                // c could be part of a surrogate pair so we can't use
                // appendCodePoint()
                value.append((char) c);
                break;
        }
    }
    if (maxlookahead != -1 && c == '\"') {
        // this is the normal, non-longline case so we're just done
        closeString();
    } else {
        // we're not at the closing quote, so this is an incomplete
        // string which will have to be read to the end ... later
        leaveOpenString(c, false);
    }
    return Type.constString;
}