Examples with RegexStringIteratorData priv.bajdcc.util.lexer.regex.RegexStringIteratorData used on opensource projects

Example 1 with RegexStringIteratorData

use of priv.bajdcc.util.lexer.regex.RegexStringIteratorData in project jMiniLang by bajdcc.

the class LineFilter method filter.

@Override
public RegexStringIteratorData filter(IRegexStringIterator iterator) {
    RegexStringIteratorData data = new RegexStringIteratorData();
    if (!iterator.available()) {
        data.kMeta = MetaType.END;
        data.chCurrent = MetaType.END.getChar();
    } else {
        data.kMeta = iterator.meta();
        data.chCurrent = iterator.current();
        iterator.next();
        if (data.kMeta == MetaType.ESCAPE) {
            // 过滤转义换行
            iterator.next();
            iterator.snapshot();
            data.kMeta = iterator.meta();
            if (data.kMeta == MetaType.NEW_LINE || data.kMeta == MetaType.CARRIAGE_RETURN) {
                // 确认换行
                iterator.next();
                iterator.cover();
                data.kMeta = iterator.meta();
                if (data.kMeta == MetaType.NEW_LINE || data.kMeta == MetaType.CARRIAGE_RETURN) {
                    // 确认换行
                    iterator.discard();
                    iterator.next();
                } else {
                    iterator.restore();
                }
                data.kMeta = MetaType.MUST_SAVE;
                data.chCurrent = iterator.current();
                iterator.next();
            } else {
                iterator.restore();
            }
        }
    }
    return data;
}

Example 2 with RegexStringIteratorData

use of priv.bajdcc.util.lexer.regex.RegexStringIteratorData in project jMiniLang by bajdcc.

the class StringFilter method filter.

@Override
public RegexStringIteratorData filter(IRegexStringIterator iterator) {
    // 获取解析组件
    RegexStringUtility utility = iterator.utility();
    RegexStringIteratorData data = new RegexStringIteratorData();
    try {
        if (!iterator.available()) {
            data.kMeta = MetaType.END;
            data.chCurrent = MetaType.END.getChar();
        } else {
            data.kMeta = iterator.meta();
            data.chCurrent = iterator.current();
            iterator.next();
            if (data.kMeta == kMeta) {
                // 过滤终结符
                data.kMeta = MetaType.NULL;
            } else if (data.kMeta == MetaType.ESCAPE) {
                // 处理转义
                data.chCurrent = iterator.current();
                iterator.next();
                data.kMeta = MetaType.MUST_SAVE;
                data.chCurrent = utility.fromEscape(data.chCurrent, RegexError.ESCAPE);
            }
        }
    } catch (RegexException e) {
        System.err.println(e.getPosition() + " : " + e.getMessage());
        data.kMeta = MetaType.ERROR;
        data.chCurrent = MetaType.ERROR.getChar();
    }
    return data;
}

Example 3 with RegexStringIteratorData

use of priv.bajdcc.util.lexer.regex.RegexStringIteratorData in project jMiniLang by bajdcc.

the class StringPairFilter method filter.

@Override
public RegexStringIteratorData filter(IRegexStringIterator iterator) {
    // 获取解析组件
    RegexStringUtility utility = iterator.utility();
    RegexStringIteratorData data = new RegexStringIteratorData();
    try {
        if (!iterator.available()) {
            data.kMeta = MetaType.END;
            data.chCurrent = MetaType.END.getChar();
        } else {
            data.kMeta = iterator.meta();
            data.chCurrent = iterator.current();
            iterator.next();
            if (data.kMeta == kMetaBegin || data.kMeta == kMetaEnd) {
                // 过滤终结符
                data.kMeta = MetaType.NULL;
            } else if (data.kMeta == MetaType.ESCAPE) {
                // 处理转义
                data.chCurrent = iterator.current();
                iterator.next();
                data.kMeta = MetaType.MUST_SAVE;
                data.chCurrent = utility.fromEscape(data.chCurrent, RegexError.ESCAPE);
            }
        }
    } catch (RegexException e) {
        System.err.println(e.getPosition() + " : " + e.getMessage());
        data.kMeta = MetaType.ERROR;
        data.chCurrent = MetaType.ERROR.getChar();
    }
    return data;
}

Example 4 with RegexStringIteratorData

use of priv.bajdcc.util.lexer.regex.RegexStringIteratorData in project jMiniLang by bajdcc.

the class CharacterFilter method filter.

@Override
public RegexStringIteratorData filter(IRegexStringIterator iterator) {
    // 获取解析组件
    RegexStringUtility utility = iterator.utility();
    RegexStringIteratorData data = new RegexStringIteratorData();
    try {
        if (!iterator.available()) {
            data.kMeta = MetaType.END;
            data.chCurrent = MetaType.END.getChar();
        } else {
            data.kMeta = iterator.meta();
            data.chCurrent = iterator.current();
            iterator.next();
            if (data.kMeta == MetaType.SINGLE_QUOTE) {
                // 过滤单引号
                data.kMeta = MetaType.NULL;
            } else if (data.kMeta == MetaType.ESCAPE) {
                // 处理转义
                data.chCurrent = iterator.current();
                iterator.next();
                data.kMeta = MetaType.MUST_SAVE;
                data.chCurrent = utility.fromEscape(data.chCurrent, RegexError.ESCAPE);
            }
        }
    } catch (RegexException e) {
        System.err.println(e.getPosition() + " : " + e.getMessage());
        data.kMeta = MetaType.ERROR;
        data.chCurrent = MetaType.ERROR.getChar();
    }
    return data;
}