Example #1
0
XmlElement* XmlDocument::readNextElement (const bool alsoParseSubElements)
{
    XmlElement* node = nullptr;

    skipNextWhiteSpace();
    if (outOfData)
        return nullptr;

    if (*input == '<')
    {
        ++input;
        String::CharPointerType endOfToken (XmlIdentifierChars::findEndOfToken (input));

        if (endOfToken == input)
        {
            // no tag name - but allow for a gap after the '<' before giving an error
            skipNextWhiteSpace();
            endOfToken = XmlIdentifierChars::findEndOfToken (input);

            if (endOfToken == input)
            {
                setLastError ("tag name missing", false);
                return node;
            }
        }

        node = new XmlElement (input, endOfToken);
        input = endOfToken;
        LinkedListPointer<XmlElement::XmlAttributeNode>::Appender attributeAppender (node->attributes);

        // look for attributes
        for (;;)
        {
            skipNextWhiteSpace();

            const juce_wchar c = *input;

            // empty tag..
            if (c == '/' && input[1] == '>')
            {
                input += 2;
                break;
            }

            // parse the guts of the element..
            if (c == '>')
            {
                ++input;

                if (alsoParseSubElements)
                    readChildElements (*node);

                break;
            }

            // get an attribute..
            if (XmlIdentifierChars::isIdentifierChar (c))
            {
                String::CharPointerType attNameEnd (XmlIdentifierChars::findEndOfToken (input));

                if (attNameEnd != input)
                {
                    const String::CharPointerType attNameStart (input);
                    input = attNameEnd;

                    skipNextWhiteSpace();

                    if (readNextChar() == '=')
                    {
                        skipNextWhiteSpace();

                        const juce_wchar nextChar = *input;

                        if (nextChar == '"' || nextChar == '\'')
                        {
                            XmlElement::XmlAttributeNode* const newAtt
                                = new XmlElement::XmlAttributeNode (attNameStart, attNameEnd);

                            readQuotedString (newAtt->value);
                            attributeAppender.append (newAtt);
                            continue;
                        }
                    }
                    else
                    {
                        setLastError ("expected '=' after attribute '"
                                        + String (attNameStart, attNameEnd) + "'", false);
                        return node;
                    }
                }
            }
            else
            {
                if (! outOfData)
                    setLastError ("illegal character found in " + node->getTagName() + ": '" + c + "'", false);
            }

            break;
        }
    }

    return node;
}
Example #2
0
XmlElement* XmlDocument::readNextElement (const bool alsoParseSubElements)
{
    XmlElement* node = nullptr;

    skipNextWhiteSpace();
    if (outOfData)
        return nullptr;

    const int openBracket = input.indexOf ((juce_wchar) '<');

    if (openBracket >= 0)
    {
        input += openBracket + 1;
        int tagLen = findNextTokenLength();

        if (tagLen == 0)
        {
            // no tag name - but allow for a gap after the '<' before giving an error
            skipNextWhiteSpace();
            tagLen = findNextTokenLength();

            if (tagLen == 0)
            {
                setLastError ("tag name missing", false);
                return node;
            }
        }

        node = new XmlElement (String (input, (size_t) tagLen));
        input += tagLen;
        LinkedListPointer<XmlElement::XmlAttributeNode>::Appender attributeAppender (node->attributes);

        // look for attributes
        for (;;)
        {
            skipNextWhiteSpace();

            const juce_wchar c = *input;

            // empty tag..
            if (c == '/' && input[1] == '>')
            {
                input += 2;
                break;
            }

            // parse the guts of the element..
            if (c == '>')
            {
                ++input;

                if (alsoParseSubElements)
                    readChildElements (node);

                break;
            }

            // get an attribute..
            if (XmlIdentifierChars::isIdentifierChar (c))
            {
                const int attNameLen = findNextTokenLength();

                if (attNameLen > 0)
                {
                    const String::CharPointerType attNameStart (input);
                    input += attNameLen;

                    skipNextWhiteSpace();

                    if (readNextChar() == '=')
                    {
                        skipNextWhiteSpace();

                        const juce_wchar nextChar = *input;

                        if (nextChar == '"' || nextChar == '\'')
                        {
                            XmlElement::XmlAttributeNode* const newAtt
                                = new XmlElement::XmlAttributeNode (String (attNameStart, (size_t) attNameLen),
                                                                    String::empty);

                            readQuotedString (newAtt->value);
                            attributeAppender.append (newAtt);
                            continue;
                        }
                    }
                }
            }
            else
            {
                if (! outOfData)
                    setLastError ("illegal character found in " + node->getTagName() + ": '" + c + "'", false);
            }

            break;
        }
    }

    return node;
}