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Diffstat (limited to 'Swiften/Parser/GenericPayloadTreeParser.h')
-rw-r--r-- | Swiften/Parser/GenericPayloadTreeParser.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/Swiften/Parser/GenericPayloadTreeParser.h b/Swiften/Parser/GenericPayloadTreeParser.h new file mode 100644 index 0000000..0030af7 --- /dev/null +++ b/Swiften/Parser/GenericPayloadTreeParser.h @@ -0,0 +1,58 @@ +/* + * Copyright (c) 2011 Kevin Smith + * Licensed under the GNU General Public License v3. + * See Documentation/Licenses/GPLv3.txt for more information. + */ + +#pragma once + +#include <deque> + +#include <boost/shared_ptr.hpp> +#include <boost/smart_ptr/make_shared.hpp> + +#include <Swiften/Parser/GenericPayloadParser.h> +#include <Swiften/Parser/Tree/ParserElement.h> +#include <Swiften/Parser/Tree/NullParserElement.h> + +#include <iostream> + +namespace Swift { + + + /** + * Generic parser offering something a bit like a DOM to work with. + */ + template<typename PAYLOAD_TYPE> + class GenericPayloadTreeParser : public GenericPayloadParser<PAYLOAD_TYPE> { + public: + virtual void handleStartElement(const std::string& element, const std::string& xmlns, const AttributeMap& attributes) { + //std::cerr << element << ", " << xmlns << ", " << attributes.getEntries().size(); + if (!root_) { + root_ = boost::make_shared<ParserElement>(element, xmlns, attributes); + elementStack_.push_back(root_); + } else { + ParserElement::ref current = *elementStack_.rbegin(); + elementStack_.push_back(current->addChild(element, xmlns, attributes)); + } + } + + virtual void handleEndElement(const std::string& /*element*/, const std::string&) { + elementStack_.pop_back(); + if (elementStack_.empty()) { + handleTree(root_); + } + } + + virtual void handleCharacterData(const std::string& data) { + ParserElement::ref current = *elementStack_.rbegin(); + current->appendCharacterData(data); + } + + virtual void handleTree(ParserElement::ref root) = 0; + + private: + std::deque<ParserElement::ref> elementStack_; + ParserElement::ref root_; + }; +} |