Mozilla/mozilla/mailnews/base/src/nsMsgFolderCacheElement.cpp

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#include "msgCore.h"
#include "nsMsgFolderCacheElement.h"
#include "prmem.h"
#include "nsISupportsObsolete.h"

nsMsgFolderCacheElement::nsMsgFolderCacheElement()
{
  m_mdbRow = nsnull;
  m_owningCache = nsnull;
  m_folderKey = nsnull;
}

nsMsgFolderCacheElement::~nsMsgFolderCacheElement()
{
  NS_IF_RELEASE(m_mdbRow);
  // circular reference, don't do it.
  // NS_IF_RELEASE(m_owningCache);
  PR_FREEIF(m_folderKey);
}


NS_IMPL_ISUPPORTS1(nsMsgFolderCacheElement, nsIMsgFolderCacheElement)

NS_IMPL_GETTER_STR(nsMsgFolderCacheElement::GetKey, m_folderKey)
NS_IMPL_SETTER_STR(nsMsgFolderCacheElement::SetKey, m_folderKey)

void nsMsgFolderCacheElement::SetOwningCache(nsMsgFolderCache *owningCache)
{
  m_owningCache = owningCache;
  // circular reference, don't do it.
  //  if (owningCache)
  //    NS_ADDREF(owningCache);
}

NS_IMETHODIMP 	 nsMsgFolderCacheElement::GetStringProperty(const char *propertyName, char **result)
{
  if (!propertyName || !result || !m_mdbRow || !m_owningCache)
    return NS_ERROR_NULL_POINTER;
  
  mdb_token	property_token;
  
  nsresult ret = m_owningCache->GetStore()->StringToToken(m_owningCache->GetEnv(),  propertyName, &property_token);
  if (ret == NS_OK)
  {
    ret = m_owningCache->RowCellColumnToCharPtr(m_mdbRow, property_token, result);
  }
  return ret;
}

NS_IMETHODIMP nsMsgFolderCacheElement::GetInt32Property(const char *propertyName, PRInt32 *aResult)
{
  if (!propertyName || !aResult || !m_mdbRow)
    return NS_ERROR_NULL_POINTER;
  
  char *resultStr = nsnull;
  GetStringProperty(propertyName, &resultStr);
  if (!resultStr)
    return NS_ERROR_NULL_POINTER;
  
  PRInt32 result;
  char *p = resultStr;
  
  for (result = 0; *p; p++)
  {
    char C = *p;
    
    PRInt8 unhex = ((C >= '0' && C <= '9') ? C - '0' :
    ((C >= 'A' && C <= 'F') ? C - 'A' + 10 :
     ((C >= 'a' && C <= 'f') ? C - 'a' + 10 : -1)));
    if (unhex < 0)
     break;
    result = (result << 4) | unhex;
  }
  
  PR_Free(resultStr);
  *aResult = result;
  
  return NS_OK;
}

NS_IMETHODIMP nsMsgFolderCacheElement::SetStringProperty(const char *propertyName, const char *propertyValue)
{
  if (!propertyName || !m_mdbRow)
    return NS_ERROR_NULL_POINTER;
  nsresult err = NS_OK;
  mdb_token	property_token;
  
  if (m_owningCache)
  {
    err = m_owningCache->GetStore()->StringToToken(m_owningCache->GetEnv(),  propertyName, &property_token);
    if (err == NS_OK)
    {
      struct mdbYarn yarn;
      
      yarn.mYarn_Grow = NULL;
      if (m_mdbRow)
      {
        yarn.mYarn_Buf = (void *) propertyValue;
        yarn.mYarn_Size = PL_strlen((const char *) yarn.mYarn_Buf) + 1;
        yarn.mYarn_Fill = yarn.mYarn_Size - 1;
        yarn.mYarn_Form = 0;	// what to do with this? we're storing csid in the msg hdr...
        err = m_mdbRow->AddColumn(m_owningCache->GetEnv(), property_token, &yarn);
        return err;
      }
    }
  }
  return err;
}

NS_IMETHODIMP nsMsgFolderCacheElement::SetInt32Property(const char *propertyName, PRInt32 propertyValue)
{
  if (!propertyName || !m_mdbRow)
    return NS_ERROR_NULL_POINTER;
  nsCAutoString propertyStr;
  propertyStr.AppendInt(propertyValue, 16);
  return SetStringProperty(propertyName, propertyStr.get());
  
}

void nsMsgFolderCacheElement::SetMDBRow(nsIMdbRow	*row) 
{
  if (m_mdbRow)
    NS_RELEASE(m_mdbRow);
  m_mdbRow = row;
  if (row)
    NS_ADDREF(row);
}