Examples with XpathParserException org.seimicrawler.xpath.exception.XpathParserException used on opensource projects

Example 1 with XpathParserException

use of org.seimicrawler.xpath.exception.XpathParserException in project JsoupXpath by zhegexiaohuozi.

the class XpathProcessor method visitAdditiveExpr.

@Override
public XValue visitAdditiveExpr(XpathParser.AdditiveExprContext ctx) {
    List<XpathParser.MultiplicativeExprContext> multiplicativeExprContexts = ctx.multiplicativeExpr();
    if (multiplicativeExprContexts.size() == 1) {
        return visit(multiplicativeExprContexts.get(0));
    } else {
        Double res = visit(multiplicativeExprContexts.get(0)).asDouble();
        String op = null;
        for (int i = 1; i < ctx.getChildCount(); i++) {
            ParseTree chiCtx = ctx.getChild(i);
            if (chiCtx instanceof XpathParser.MultiplicativeExprContext) {
                XValue next = visit(chiCtx);
                if ("+".equals(op)) {
                    res += next.asDouble();
                } else if ("-".equals(op)) {
                    res -= next.asDouble();
                } else {
                    throw new XpathParserException("syntax error, " + ctx.getText());
                }
            } else {
                op = chiCtx.getText();
            }
        }
        return XValue.create(res);
    }
}

Example 2 with XpathParserException

use of org.seimicrawler.xpath.exception.XpathParserException in project JsoupXpath by zhegexiaohuozi.

the class XpathProcessor method visitPredicate.

@Override
public XValue visitPredicate(XpathParser.PredicateContext ctx) {
    Elements newContext = new Elements();
    for (Element e : currentScope().context()) {
        scopeStack.push(Scope.create(e).setParent(currentScope()));
        XValue exprVal = visit(ctx.expr());
        scopeStack.pop();
        if (exprVal.isNumber()) {
            long index = exprVal.asLong();
            if (index < 0) {
                if (Objects.equals(e.tagName(), Constants.DEF_TEXT_TAG_NAME)) {
                    index = CommonUtil.getJxSameTagNumsInSiblings(e) + index + 1;
                } else {
                    index = CommonUtil.sameTagElNums(e, currentScope()) + index + 1;
                }
                if (index < 0) {
                    index = 1;
                }
            }
            if (Objects.equals(e.tagName(), Constants.DEF_TEXT_TAG_NAME)) {
                if (index == CommonUtil.getJxSameTagIndexInSiblings(e)) {
                    newContext.add(e);
                }
            } else {
                if (index == CommonUtil.getElIndexInSameTags(e, currentScope())) {
                    newContext.add(e);
                }
            }
        } else if (exprVal.isBoolean()) {
            if (exprVal.asBoolean()) {
                newContext.add(e);
            }
        } else if (exprVal.isString()) {
            // 根据表达式执行结果是否为空作为条件,如 //*[@foo]
            if (StringUtils.isNotBlank(exprVal.asString())) {
                newContext.add(e);
            }
        } else if (exprVal.isElements()) {
            // 根据表达式执行结果是否为空进行过滤，如 //div[./a]
            Elements els = exprVal.asElements();
            if (els.size() > 0) {
                newContext.add(e);
            }
        } else if (exprVal.isList()) {
            // 根据表达式执行结果是否为空进行过滤，如 //div[./a/text()]
            List<String> stringList = exprVal.asList();
            if (stringList.size() > 0) {
                newContext.add(e);
            }
        } else {
            throw new XpathParserException("unknown expr val:" + exprVal);
        }
    }
    return XValue.create(newContext);
}

Example 3 with XpathParserException

use of org.seimicrawler.xpath.exception.XpathParserException in project JsoupXpath by zhegexiaohuozi.

the class FormatDate method call.

@Override
public XValue call(Scope scope, List<XValue> params) {
    String value = params.get(0).asString();
    String patten = params.get(1).asString();
    try {
        if (params.size() > 2 && null != params.get(2)) {
            final Locale locale = Locale.forLanguageTag(params.get(2).asString());
            final SimpleDateFormat format = new SimpleDateFormat(patten, locale);
            return XValue.create(format.parse(value));
        }
        return XValue.create(FastDateFormat.getInstance(patten).parse(value));
    } catch (ParseException e) {
        throw new XpathParserException("date format exception!", e);
    }
}