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authorJonas Smedegaard <dr@jones.dk>2017-06-24 09:21:37 +0200
committerJonas Smedegaard <dr@jones.dk>2017-06-24 09:21:37 +0200
commit3d39f109ba8ea7ae9778c58bd1665b9e8e0f45cb (patch)
tree9a5684babcd16d302fbe59c56b6045660ad62488 /louloulibs/xmpp/xmpp_parser.cpp
parentf9cee98aacd6aea8ccb7f5677b4ff1e1e234e4d1 (diff)
parentc21cbbf9667991d2b928562a9c199e625d3f9bba (diff)
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Updated version 5.0 from 'upstream/5.0'
with Debian dir 2ae31d03ffb1d79153a692af23c7b2b097cc4b2b
Diffstat (limited to 'louloulibs/xmpp/xmpp_parser.cpp')
-rw-r--r--louloulibs/xmpp/xmpp_parser.cpp172
1 files changed, 0 insertions, 172 deletions
diff --git a/louloulibs/xmpp/xmpp_parser.cpp b/louloulibs/xmpp/xmpp_parser.cpp
deleted file mode 100644
index 0488be9..0000000
--- a/louloulibs/xmpp/xmpp_parser.cpp
+++ /dev/null
@@ -1,172 +0,0 @@
-#include <xmpp/xmpp_parser.hpp>
-#include <xmpp/xmpp_stanza.hpp>
-
-#include <logger/logger.hpp>
-
-/**
- * Expat handlers. Called by the Expat library, never by ourself.
- * They just forward the call to the XmppParser corresponding methods.
- */
-
-static void start_element_handler(void* user_data, const XML_Char* name, const XML_Char** atts)
-{
- static_cast<XmppParser*>(user_data)->start_element(name, atts);
-}
-
-static void end_element_handler(void* user_data, const XML_Char* name)
-{
- static_cast<XmppParser*>(user_data)->end_element(name);
-}
-
-static void character_data_handler(void *user_data, const XML_Char *s, int len)
-{
- static_cast<XmppParser*>(user_data)->char_data(s, len);
-}
-
-/**
- * XmppParser class
- */
-
-XmppParser::XmppParser():
- level(0),
- current_node(nullptr),
- root(nullptr)
-{
- this->init_xml_parser();
-}
-
-void XmppParser::init_xml_parser()
-{
- // Create the expat parser
- this->parser = XML_ParserCreateNS("UTF-8", ':');
- XML_SetUserData(this->parser, static_cast<void*>(this));
-
- // Install Expat handlers
- XML_SetElementHandler(this->parser, &start_element_handler, &end_element_handler);
- XML_SetCharacterDataHandler(this->parser, &character_data_handler);
-}
-
-XmppParser::~XmppParser()
-{
- XML_ParserFree(this->parser);
-}
-
-int XmppParser::feed(const char* data, const int len, const bool is_final)
-{
- int res = XML_Parse(this->parser, data, len, is_final);
- if (res == XML_STATUS_ERROR &&
- (XML_GetErrorCode(this->parser) != XML_ERROR_FINISHED))
- log_error("Xml_Parse encountered an error: ",
- XML_ErrorString(XML_GetErrorCode(this->parser)));
- return res;
-}
-
-int XmppParser::parse(const int len, const bool is_final)
-{
- int res = XML_ParseBuffer(this->parser, len, is_final);
- if (res == XML_STATUS_ERROR)
- log_error("Xml_Parsebuffer encountered an error: ",
- XML_ErrorString(XML_GetErrorCode(this->parser)));
- return res;
-}
-
-void XmppParser::reset()
-{
- XML_ParserFree(this->parser);
- this->init_xml_parser();
- this->current_node = nullptr;
- this->root.reset(nullptr);
- this->level = 0;
-}
-
-void* XmppParser::get_buffer(const size_t size) const
-{
- return XML_GetBuffer(this->parser, static_cast<int>(size));
-}
-
-void XmppParser::start_element(const XML_Char* name, const XML_Char** attribute)
-{
- this->level++;
-
- auto new_node = std::make_unique<XmlNode>(name, this->current_node);
- auto new_node_ptr = new_node.get();
- if (this->current_node)
- this->current_node->add_child(std::move(new_node));
- else
- this->root = std::move(new_node);
- this->current_node = new_node_ptr;
- for (size_t i = 0; attribute[i]; i += 2)
- this->current_node->set_attribute(attribute[i], attribute[i+1]);
- if (this->level == 1)
- this->stream_open_event(*this->current_node);
-}
-
-void XmppParser::end_element(const XML_Char*)
-{
- this->level--;
- if (this->level == 0)
- { // End of the whole stream
- this->stream_close_event(*this->current_node);
- this->current_node = nullptr;
- this->root.reset();
- }
- else
- {
- auto parent = this->current_node->get_parent();
- if (this->level == 1)
- { // End of a stanza
- this->stanza_event(*this->current_node);
- // Note: deleting all the children of our parent deletes ourself,
- // so current_node is an invalid pointer after this line
- parent->delete_all_children();
- }
- this->current_node = parent;
- }
-}
-
-void XmppParser::char_data(const XML_Char* data, const size_t len)
-{
- if (this->current_node->has_children())
- this->current_node->get_last_child()->add_to_tail({data, len});
- else
- this->current_node->add_to_inner({data, len});
-}
-
-void XmppParser::stanza_event(const Stanza& stanza) const
-{
- for (const auto& callback: this->stanza_callbacks)
- {
- try {
- callback(stanza);
- } catch (const std::exception& e) {
- log_error("Unhandled exception: ", e.what());
- }
- }
-}
-
-void XmppParser::stream_open_event(const XmlNode& node) const
-{
- for (const auto& callback: this->stream_open_callbacks)
- callback(node);
-}
-
-void XmppParser::stream_close_event(const XmlNode& node) const
-{
- for (const auto& callback: this->stream_close_callbacks)
- callback(node);
-}
-
-void XmppParser::add_stanza_callback(std::function<void(const Stanza&)>&& callback)
-{
- this->stanza_callbacks.emplace_back(std::move(callback));
-}
-
-void XmppParser::add_stream_open_callback(std::function<void(const XmlNode&)>&& callback)
-{
- this->stream_open_callbacks.emplace_back(std::move(callback));
-}
-
-void XmppParser::add_stream_close_callback(std::function<void(const XmlNode&)>&& callback)
-{
- this->stream_close_callbacks.emplace_back(std::move(callback));
-}