TextMsgEvent.cc

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#include "TextMsgEvent.h"
#include <sstream>
#include <libxml/tree.h>

const EventBase::classTypeID_t TextMsgEvent::autoRegisterTextMsgEvent=getTypeRegistry().registerType<TextMsgEvent>(makeClassTypeID("TXTM"));

std::string
TextMsgEvent::getDescription(bool showTypeSpecific/*=true*/, unsigned int verbosity/*=0*/) const {
  if(!showTypeSpecific)
    return EventBase::getDescription(showTypeSpecific,verbosity);
  std::ostringstream logdata;
  logdata << EventBase::getDescription(showTypeSpecific,verbosity) << '\t' << _text;
  return logdata.str();
}

unsigned int
TextMsgEvent::getBinSize() const {
  unsigned int used=EventBase::getBinSize();
  if(saveFormat==XML)
    return used; //if using XML, the XMLLoadSave::getBinSize (called by EventBase::getBinSize) is all we need
  //otherwise need to add our own fields
  used+=creatorSize("EventBase::TextMsgEvent");
  used+=getSerializedSize(_text);
  //used+=sizeof(_token);
  return used;
}

unsigned int
TextMsgEvent::loadBinaryBuffer(const char buf[], unsigned int len) {
  unsigned int origlen=len;
  if(!checkInc(EventBase::loadBinaryBuffer(buf,len),buf,len)) return 0;
  if(!checkCreatorInc("EventBase::TextMsgEvent",buf,len,true)) return 0;
  if(!decodeInc(_text,buf,len)) return 0;
  //if(!decodeInc(_token,buf,len)) return 0;
  //len-=used; buf+=used;
  return origlen-len; 
}

unsigned int
TextMsgEvent::saveBinaryBuffer(char buf[], unsigned int len) const {
  unsigned int origlen=len;
  if(!checkInc(EventBase::saveBinaryBuffer(buf,len),buf,len)) return 0;
  if(!saveCreatorInc("EventBase::TextMsgEvent",buf,len)) return 0;
  if(!encodeInc(_text,buf,len)) return 0;
  //if(!encodeInc(_token,buf,len)) return 0;
  return origlen-len;
}

void TextMsgEvent::loadXML(xmlNode* node) {
  if(node==NULL)
    return;
  
  EventBase::loadXML(node);
  
  for(xmlNode* cur = skipToElement(node->children); cur!=NULL; cur = skipToElement(cur->next)) {
    if(xmlStrcmp(cur->name, (const xmlChar *)"param"))
      continue;
    
    xmlChar * name = xmlGetProp(cur,(const xmlChar*)"name");
    if(name==NULL)
      throw bad_format(cur,"property missing name");
    
    xmlChar * val = xmlGetProp(cur,(const xmlChar*)"value");
    if(val==NULL)
      throw bad_format(cur,"property missing value");
    
    if(xmlStrcmp(name, (const xmlChar *)"text")==0)
      _text=(const char*)val;
    
    xmlFree(val);
    xmlFree(name);
  }
}

void TextMsgEvent::saveXML(xmlNode * node) const {
  if(node==NULL)
    return;
  EventBase::saveXML(node);
  
  //clear old params first
  for(xmlNode* cur = skipToElement(node->children); cur!=NULL; ) {
    if(xmlStrcmp(cur->name, (const xmlChar *)"param")==0) {
      xmlUnlinkNode(cur);
      xmlFreeNode(cur);
      cur = skipToElement(node->children); //restart the search (boo)
    } else
      cur = skipToElement(cur->next);
  }
  
  xmlNode* cur=xmlNewChild(node,NULL,(const xmlChar*)"param",NULL);
  if(cur==NULL)
    throw bad_format(node,"Error: TextMsgEvent xml error on saving param");
  xmlSetProp(cur,(const xmlChar*)"name",(const xmlChar*)"text");
  xmlSetProp(cur,(const xmlChar*)"value",(const xmlChar*)_text.c_str());
}

/*! @file
 * @brief Implements TextMsgEvent, which extends EventBase to also include actual message text
 * @author ejt (Creator)
 */