C++ OTMLNodePtr::setTag方法代码示例

void Config::mergeNode(const std::string& key, const OTMLNodePtr& node)
{
    OTMLNodePtr clone = node->clone();
    node->setTag(key);
    node->setUnique(true);
    m_confsDoc->addChild(node);
}

void UIManager::importStyleFromOTML(const OTMLNodePtr& styleNode)
{
    std::string tag = styleNode->tag();
    std::vector<std::string> split = stdext::split(tag, "<");
    if(split.size() != 2)
        throw OTMLException(styleNode, "not a valid style declaration");

    std::string name = split[0];
    std::string base = split[1];
    bool unique = false;

    stdext::trim(name);
    stdext::trim(base);

    if(name[0] == '#') {
        name = name.substr(1);
        unique = true;

        styleNode->setTag(name);
        styleNode->writeAt("__unique", true);
    }

    OTMLNodePtr oldStyle = m_styles[name];

    // Warn about redefined styles
    /*
    if(!g_app.isRunning() && (oldStyle && !oldStyle->valueAt("__unique", false))) {
        auto it = m_styles.find(name);
        if(it != m_styles.end())
            g_logger.warning(stdext::format("style '%s' is being redefined", name));
    }
    */

    if(!oldStyle || !oldStyle->valueAt("__unique", false) || unique) {
        OTMLNodePtr originalStyle = getStyle(base);
        if(!originalStyle)
            stdext::throw_exception(stdext::format("base style '%s', is not defined", base));
        OTMLNodePtr style = originalStyle->clone();
        style->merge(styleNode);
        style->setTag(name);
        m_styles[name] = style;
    }
}

bool luavalue_cast(int index, OTMLNodePtr& node)
{
    node = OTMLNode::create();
    node->setUnique(true);
    if(g_lua.isTable(index)) {
        g_lua.pushNil();
        while(g_lua.next(index < 0 ? index-1 : index)) {
            std::string cnodeName;
            if(!g_lua.isNumber(-2))
                cnodeName = g_lua.toString(-2);
            if(g_lua.isTable()) {
                OTMLNodePtr cnode;
                if(luavalue_cast(-1, cnode)) {
                    if(cnodeName.empty())
                        node->setUnique(false);
                    else
                        cnode->setTag(cnodeName);
                    node->addChild(cnode);
                }
            } else {
                std::string value;
                if(g_lua.isBoolean())
                    value = stdext::unsafe_cast<std::string>(g_lua.toBoolean());
                else
                    value = g_lua.toString();
                if(cnodeName.empty())
                    node->writeIn(value);
                else
                    node->writeAt(cnodeName, value);
            }
            g_lua.pop();
        }
        return true;
    }
    return false;
}

void OTMLParser::parseNode(const std::string& data)
{
    std::string tag;
    std::string value;
    std::size_t dotsPos = data.find_first_of(':');
    int nodeLine = currentLine;

    // node that has no tag and may have a value
    if(!data.empty() && data[0] == '-') {
        value = data.substr(1);
        boost::trim(value);
    // node that has tag and possible a value
    } else if(dotsPos != std::string::npos) {
        tag = data.substr(0, dotsPos);
        if(data.size() > dotsPos+1)
            value = data.substr(dotsPos+1);
    // node that has only a tag
    } else {
        tag = data;
    }

    boost::trim(tag);
    boost::trim(value);

    // process multitine values
    if(value == "|" || value == "|-" || value == "|+") {
        // reads next lines until we can a value below the same depth
        std::string multiLineData;
        do {
            size_t lastPos = in.tellg();
            std::string line = getNextLine();
            int depth = getLineDepth(line, true);

            // depth above current depth, add the text to the multiline
            if(depth > currentDepth) {
                multiLineData += line.substr((currentDepth+1)*2);
            // it has contents below the current depth
            } else {
                // if not empty, its a node
                boost::trim(line);
                if(!line.empty()) {
                    // rewind and break
                    in.seekg(lastPos, std::ios::beg);
                    currentLine--;
                    break;
                }
            }
            multiLineData += "\n";
        } while(!in.eof());

        /* determine how to treat new lines at the end
         * | strip all new lines at the end and add just a new one
         * |- strip all new lines at the end
         * |+ keep all the new lines at the end (the new lines until next node)
         */
        if(value == "|" || value == "|-") {
            // remove all new lines at the end
            int lastPos = multiLineData.length();
            while(multiLineData[--lastPos] == '\n')
                multiLineData.erase(lastPos, 1);

            if(value == "|")
                multiLineData.append("\n");
        } // else it's |+

        value = multiLineData;
    }

    // create the node
    OTMLNodePtr node = OTMLNode::create(tag);

    node->setUnique(dotsPos != std::string::npos);
    node->setTag(tag);
    node->setSource(doc->source() + ":" + Fw::unsafeCast<std::string>(nodeLine));

    // ~ is considered the null value
    if(value == "~")
        node->setNull(true);
    else
        node->setValue(value);

    currentParent->addChild(node);
    previousNode = node;
}