Package org.pdf4j.saxon.regex

Examples of org.pdf4j.saxon.regex.RegularExpression

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        CharSequence input = sv.getStringValueCS();
        if (input.length() == 0) {
            return EmptyIterator.getInstance();
        }

        RegularExpression re = regexp;
        if (re == null) {

            sv = (AtomicValue)argument[1].evaluateItem(c);
            CharSequence pattern = sv.getStringValueCS();

            CharSequence flags;
            if (argument.length==2) {
                flags = "";
            } else {
                sv = (AtomicValue)argument[2].evaluateItem(c);
                flags = sv.getStringValueCS();
            }

            try {
                final Platform platform = Configuration.getPlatform();
                final int xmlVersion = c.getConfiguration().getXMLVersion();
                re = platform.compileRegularExpression(
                        pattern, xmlVersion, RegularExpression.XPATH_SYNTAX, flags);
            } catch (XPathException err) {
                XPathException de = new XPathException(err);
                de.setErrorCode("FORX0002");
                de.setXPathContext(c);
                de.setLocator(this);
                throw de;
            }
            // check that it's not a pattern that matches ""
            if (re.matches("")) {
                XPathException err = new XPathException("The regular expression in tokenize() must not be one that matches a zero-length string");
                err.setErrorCode("FORX0003");
                err.setLocator(this);
                throw err;
            }

        }
        return re.tokenize(input);
    }
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        AtomicValue sv0 = (AtomicValue)argument[0].evaluateItem(c);
        if (sv0==null) {
            sv0 = StringValue.EMPTY_STRING;
        }

        RegularExpression re = regexp;

        if (re == null) {
            AtomicValue pat = (AtomicValue)argument[1].evaluateItem(c);
            if (pat==null) return null;

            CharSequence flags;
            if (argument.length==2) {
                flags = "";
            } else {
                AtomicValue sv2 = (AtomicValue)argument[2].evaluateItem(c);
                if (sv2==null) return null;
                flags = sv2.getStringValueCS();
            }

            try {
                final Platform platform = Configuration.getPlatform();
                final int xmlVersion = c.getConfiguration().getXMLVersion();
                re = platform.compileRegularExpression(
                        pat.getStringValueCS(), xmlVersion, RegularExpression.XPATH_SYNTAX, flags);
            } catch (XPathException err) {
                XPathException de = new XPathException(err);
                if (de.getErrorCodeLocalPart() == null) {
                    de.setErrorCode("FORX0002");
                }
                de.setXPathContext(c);
                throw de;
            }
        }
        return BooleanValue.get(re.containsMatch(sv0.getStringValueCS()));
    }
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        String msg = checkReplacement(replacement);
        if (msg != null) {
            dynamicError(msg, "FORX0004", c);
        }

        RegularExpression re = regexp;
        if (re == null) {

            AtomicValue arg1 = (AtomicValue)argument[1].evaluateItem(c);

            CharSequence flags;

            if (argument.length == 3) {
                flags = "";
            } else {
                AtomicValue arg3 = (AtomicValue)argument[3].evaluateItem(c);
                flags = arg3.getStringValueCS();
            }

            try {
                final Platform platform = Configuration.getPlatform();
                final int xmlVersion = c.getConfiguration().getXMLVersion();
                re = platform.compileRegularExpression(
                        arg1.getStringValueCS(), xmlVersion, RegularExpression.XPATH_SYNTAX, flags);
            } catch (XPathException err) {
                XPathException de = new XPathException(err);
                de.setErrorCode("FORX0002");
                de.setXPathContext(c);
                de.setLocator(this);
                throw de;
            } catch (PatternSyntaxException err) {
                XPathException de = new XPathException(err);
                de.setErrorCode("FORX0002");
                de.setXPathContext(c);
                de.setLocator(this);
                throw de;
            }

            // check that it's not a pattern that matches ""
            if (re.matches("")) {
                dynamicError(
                        "The regular expression in replace() must not be one that matches a zero-length string",
                        "FORX0003", c);
            }
        }
        String input = arg0.getStringValue();
        CharSequence res = re.replace(input, replacement);
        return StringValue.makeStringValue(res);
    }
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     */

    private RegexIterator getRegexIterator(XPathContext context) throws XPathException {
        CharSequence input = select.evaluateAsString(context);

        RegularExpression re = pattern;
        if (re == null) {
            CharSequence flagstr = flags.evaluateAsString(context);
            final Platform platform = Configuration.getPlatform();
            final int xmlVersion = context.getConfiguration().getXMLVersion();
            re = platform.compileRegularExpression(
                    regex.evaluateAsString(context), xmlVersion, RegularExpression.XPATH_SYNTAX, flagstr);
            if (re.matches("")) {
                dynamicError("The regular expression must not be one that matches a zero-length string",
                        "XTDE1150", context);
            }
        }

        return re.analyze(input);
    }
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Related Classes of org.pdf4j.saxon.regex.RegularExpression

  • org.pdf4j.saxon.functions.Matches
  • org.pdf4j.saxon.functions.Replace
  • org.pdf4j.saxon.functions.Tokenize
  • org.pdf4j.saxon.instruct.AnalyzeString
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