C++ nglPath类代码示例

bool MainWindow::LoadCSS(const nglPath& rPath)
{
  NGL_OUT("MainWindow::LoadCSS");
  nglIStream* pF = rPath.OpenRead();
  if (!pF)
  {
    NGL_OUT(_T("Unable to open CSS source file '%ls'\n"), rPath.GetChars());
    return false;
  }
  
  nuiCSS* pCSS = new nuiCSS();
  bool res = pCSS->Load(*pF, rPath);
  delete pF;
  
  if (res)
  {
    nuiMainWindow::SetCSS(pCSS);
    NGL_OUT("MainWindow::LoadCSS OK");
    return true;
  }
  
  NGL_OUT(_T("%ls\n"), pCSS->GetErrorString().GetChars());
  
  delete pCSS;
  NGL_OUT("MainWindow::LoadCSS ERROR");
  return false;
}

nglString nuiFileTree::GetFileInfo(const nglPath& rPath)
{
  nglString str;
  nglPathInfo info;
  rPath.GetInfo(info);


  // file modification date
  nglTimeInfo timeInfo;
  nglString timestr;
  nglTime lastMod = info.LastMod;
  lastMod.GetLocalTime(timeInfo);
  timestr.Format(_T("%d/%d/%d, %d:%d"), timeInfo.Year+1900, timeInfo.Month, timeInfo.Day, timeInfo.Hours, timeInfo.Minutes);

  str.Append(timestr);
  
  if (rPath.IsLeaf())
  {
    // file size
    str.Append(_T(" - "));
    FormatFileSize(info.Size, str);
  }

  return str;
}

nglInputDeviceLinux::nglInputDeviceLinux (const nglPath& rDevice) : nglInputDeviceInstance(), nglEvent()
{
  mFlags = Read|Error;
  mFD = open((char*)rDevice.GetPathName().GetChars(), O_RDONLY);
  if (mFD == -1)
    return;

  char byte;
  char name[128];

  // Get number of axes
  ioctl(mFD, JSIOCGAXES, &byte);
  mAxes.resize(byte);

  // Get number of buttons
  ioctl(mFD, JSIOCGBUTTONS, &byte);
  mButtons.resize(byte);

  // Fetch name
  if (ioctl(mFD, JSIOCGNAME(sizeof(name)), name) < 0)
    mName = "unkown";
  else
    mName = name;

  // Synthetize port name
  mPort.Format("%s", rDevice.GetPathName().GetChars());

  App->AddEvent(this);
}

nuiSpriteDef::nuiSpriteDef(const nglPath& rSpriteDefPath)
{
  Init();
  nglString name(rSpriteDefPath.GetNodeName());
  SetObjectName(name);
  std::map<nglString, nuiSpriteDef*>::const_iterator it = mSpriteMap.find(name);
  if (it != mSpriteMap.end())
    it->second->Release();

  mSpriteMap[name] = this;

  {
    std::list<nglPath> children;
    rSpriteDefPath.GetChildren(&children);
    std::list<nglPath>::const_iterator it = children.begin();
    std::list<nglPath>::const_iterator end = children.end();
    for (; it != end; it++)
    {
      nuiSpriteAnimation* pAnim = new nuiSpriteAnimation(*it);
      if (pAnim->GetFrameCount())
        AddAnimation(pAnim);
      else
        delete pAnim;
    }
  }
}

bool nglZipFS::GetChildren(const nglPath& rPath, std::list<nglPath>& rChildren)
{
  nglString p(rPath.GetVolumeLessPath());
  p.TrimLeft(_T('/'));
  //wprintf(_T("trimed path '%s'\n"), p.GetChars());
  nglPath path(p);
  Node* pNode = mRoot.Find(path);
  if (!pNode)
    return 0;

  std::list<nglZipFS::Node*>::iterator it;
  std::list<nglZipFS::Node*>::iterator end = pNode->mpChildren.end();
  for (it = pNode->mpChildren.begin(); it != end; ++it)
  {
    if (*it)
    {
      nglZipPath path(this, rPath.GetPathName().IsEmpty()? (*it)->mName : rPath.GetPathName() );
      if (!rPath.GetPathName().IsEmpty())
        path += nglPath((*it)->mName);

      rChildren.push_back(path);
    }
  }
  return rChildren.size();
}

bool nuiFileTree::isRoot(const nglPath& rPath)
{
  const nglString& pathName = rPath.GetPathName();
  
  return (
    rPath.GetParent().GetPathName().IsEmpty() || 
    !rPath.GetPathName().Compare(_T("/")) || 
    !rPath.GetParent().GetPathName().Compare(_T("/Volumes")) ||
    ((pathName.GetLength() == 3) && (pathName[1] == _T(':')) && (pathName[2] == _T('/')))
    );
}

void nuiMimeMultiPart::AddFile(const nglPath& rPath, const nglString& rVarName, const nglString& rFileName, ContentTransfertEncoding encoding)
{
  nglString name(rFileName);
  if (name.IsNull())
    name = rPath.GetNodeName();
    
  nglIStream* pFile = rPath.OpenRead();
  if (!pFile)
    return;

  AddFile(pFile, rVarName, name, encoding);
}

nuiTexture::nuiTexture (const nglPath& rPath, nglImageCodec* pCodec)
: nuiObject(), mTextureID(0), mTarget(0), mRotated(false)
{
  if (SetObjectClass(_T("nuiTexture")))
    InitAttributes();

  mpImage = NULL;
  mpProxyTexture = NULL;
  
  float scale = 1.0f;
  nglPath p(rPath);
  nglString path(p.GetRemovedExtension());
  if (nuiGetScaleFactor() > 1)
  {
    nglString ext(p.GetExtension());
    nglString res(path);
    res.Add(_T("@2x.")).Add(ext);
    p = res;
    mpImage = new nglImage(p, pCodec);
    if (mpImage && mpImage->IsValid())
    {
      scale = 2.0f;
    }
    else
    {
      delete mpImage;
      mpImage = NULL;
    }
  }
  else if (path.GetRight(3) == _T("@2x"))
  {
    scale = 2.0;
  }

  
  if (!mpImage)
  {
    mpImage = new nglImage(rPath, pCodec);
  }

  mpSurface = NULL;
  mOwnImage = true;
  mForceReload = false;
  mRetainBuffer = mRetainBuffers;

  SetProperty(_T("Source"),rPath.GetPathName());
  mpTextures[rPath.GetPathName()] = this;

  Init();
  SetScale(scale);
}

bool nglZipPath::Decompose(const nglPath& rPath, std::list<nglPath>& rList)
{
  nglPath parent(rPath.GetParent());
  nglString tmp = rPath.GetNodeName();
  nglPath node(tmp.IsNull()? nglString::Empty : tmp);

  if (parent == rPath)
    return true;

  rList.push_front(node);
  return Decompose(parent, rList);

  return true;
}

nglZipFS::nglZipFS(const nglPath& rPath)
: nglVolume(nglPath(rPath.GetNodeName()).GetRemovedExtension(), nglString::Empty, nglString::Empty, nglPathVolume::ReadOnly, nglPathVolume::eTypeZip),
  mRoot(_T(""), 0, 0, 0, false), mpFileFuncDef(NULL)
{
  mpStream = rPath.OpenRead();
  mOwnStream = true;
  SetValid(mpStream != NULL);

	if (mpStream)
		mpStream->SetEndian(eEndianIntel);
	
  mpPrivate = new nglZipPrivate();
  NGL_ASSERT(mpPrivate);
}

bool nuiNativeResourceVolume::GetPathInfo(const nglPath& rPath, nglPathInfo& rInfo)
{
	nglString tmp = rPath.GetVolumeLessPath();
  nglPath path(tmp);
	tmp.TrimLeft(L'/');
	nglPath trimmed(tmp);
  
  if (!path.GetPathName().Compare(_T("/")))
  {
    // we act like this is a folder
    rInfo.Exists = true;      ///< Node existence. All other fields are invalid if set to false.
    rInfo.IsLeaf = false;      ///< Leaf (file or assimilable) or non-leaf (folder)
    rInfo.CanRead = true;     ///< True if the file (leaf) can be read or the folder (non-leaf) can be traversed and its content listed
    rInfo.CanWrite = false;    ///< True if the file (leaf) can be written to or a new node can be created in this folder (non-leaf)
    rInfo.LastAccess = 0;  ///< nglTime stamp of last access (read or exec)
    rInfo.LastMod = 0;     ///< nglTime stamp of last modification (write)
    rInfo.Size = 0;      ///< If the node is a leaf, size in bytes. If non-leaf, always zero.
    rInfo.Visible = true; ///< Always visible...
    
    return true;  
  }

  std::map<nglPath, std::set<nglString> >::const_iterator it = mItems.find(trimmed);
	
  if (it != mItems.end())
  {
    // This is a folder
    rInfo.Exists = true;      ///< Node existence. All other fields are invalid if set to false.
    rInfo.IsLeaf = false;      ///< Leaf (file or assimilable) or non-leaf (folder)
    rInfo.CanRead = true;     ///< True if the file (leaf) can be read or the folder (non-leaf) can be traversed and its content listed
    rInfo.CanWrite = false;    ///< True if the file (leaf) can be written to or a new node can be created in this folder (non-leaf)
    rInfo.LastAccess = 0;  ///< nglTime stamp of last access (read or exec)
    rInfo.LastMod = 0;     ///< nglTime stamp of last modification (write)
    rInfo.Size = 0;      ///< If the node is a leaf, size in bytes. If non-leaf, always zero.
    rInfo.Visible = true; ///< Always visible...
    
    return true;
  }
  
  nuiNativeResource* pRes = new nuiNativeResource(path);
  if (pRes && pRes->IsValid())
  {
    // This is a file
    rInfo.Exists = true;      ///< Node existence. All other fields are invalid if set to false.
    rInfo.IsLeaf = true;      ///< Leaf (file or assimilable) or non-leaf (folder)
    rInfo.CanRead = true;     ///< True if the file (leaf) can be read or the folder (non-leaf) can be traversed and its content listed
    rInfo.CanWrite = false;    ///< True if the file (leaf) can be written to or a new node can be created in this folder (non-leaf)
    rInfo.LastAccess = 0;  ///< nglTime stamp of last access (read or exec)
    rInfo.LastMod = 0;     ///< nglTime stamp of last modification (write)
    rInfo.Size = pRes->Available();      ///< If the node is a leaf, size in bytes. If non-leaf, always zero.
    rInfo.Visible = true; ///< Always visible...
    
    delete pRes;
    return true;
  }
  
  delete pRes;
  
  return false;
}

bool nuiNativeResourceVolume::GetChildren(const nglPath& rPath, std::list<nglPath>& rChildren)
{
  nglString p(rPath.GetVolumeLessPath());
  p.TrimLeft(_T('/'));
  //wprintf(_T("trimed path '%ls'\n"), p.GetChars());
  nglPath path(p);
  //wprintf(_T("GetChildren(\"%ls\") [%ls] [%ls]\n"), rPath.GetChars(), path.GetChars(), p.GetChars());
  
  std::map<nglPath, std::set<nglString> >::const_iterator fit = mItems.find(path);
  
  if (fit == mItems.end())
  {
    // The path has to point to a folder, not a file
    return false;
  }
  
  const std::set<nglString>& rChildrenSet(fit->second);
  std::set<nglString>::const_iterator it = rChildrenSet.begin();
  std::set<nglString>::const_iterator end = rChildrenSet.end();
  
  while (it != end)
  {
    nglPath p(rPath);
    p += *it;
    rChildren.push_back(p);
    
    ++it;
  }
  return true;
}

bool nuiTranslator::SaveLanguage(const nglPath& rOutputLanguageFile) const
{
  nglOStream* pStream = rOutputLanguageFile.OpenWrite(true);
  bool res = SaveLanguage(pStream);
  delete pStream;
  return res;
}

bool nuiTranslator::LoadLanguages(const nglPath& rLanguageFilesFolder)
{
  mFiles.clear();
  
  std::list<nglPath> Children;
  rLanguageFilesFolder.GetChildren(&Children);
  
  std::list<nglPath>::iterator it = Children.begin();
  std::list<nglPath>::iterator end = Children.end();
  
  while (it != end)
  {
    const nglPath& rPath(*it);
    NGL_OUT(_T("Localization file: %ls\n"), rPath.GetChars());
    if (rPath.GetExtension() == _T("loc"))
    {
      nglPath p(rPath.GetNodeName());
      nglString n(p.GetRemovedExtension());
      mFiles[n] = rPath;
    }
    
    ++it;
  }
  
  return mFiles.empty();
}

nuiFileList::nuiFileList(const nglPath& rPath)
    : nuiList(nuiVertical),
      mFileListSink(this)
{
    SetObjectClass(_T("nuiFileList"));
    nuiLabel* pLabel = new nuiLabel(_T(".."));
    pLabel->SetProperty(_T("Path"), rPath.GetParent().GetAbsolutePath().GetPathName());

    Populate(rPath);
    mFileListSink.Connect(Activated, &nuiFileList::Selected, this);
}