void CEmptyStringException::CHECK(WSTRING& string, C_TROUBLESPOT& troublespot) throw()
{
if (string.empty())
{
throw CEmptyStringException(CTroublespot(troublespot).AppendNote(MAKE_NOTE()));
}
}
//*****************************************************************************
void CFileDialogWidget::GoToDirectory()
//Go to selected directory.
{
const WSTRING wstrDirname = this->pDirListBoxWidget->GetSelectedItemText();
if (wstrDirname.empty()) return; //nothing is selected
if (!WCScmp(wszParentDir,wstrDirname.c_str()))
{
//Go up a directory.
const int nSlashLoc=this->dirpath.rfind(wszSlash);
if (nSlashLoc<0)
this->dirpath.resize(0);
#ifndef WIN32
else if (nSlashLoc == 0)
this->dirpath.resize(1); // go to root dir
#endif
else
this->dirpath.resize(nSlashLoc);
#if defined(WIN32) || defined(__linux__) || defined(__FreeBSD__) || defined(__APPLE__) || defined(__native_client__)
} else if (wstrDirname[0] == W_t('[')) {
//Switch drives.
WSTRING newDrive = wstrDirname.c_str() + 2;
newDrive.resize(newDrive.size()-2);
SetDirectory(newDrive.c_str());
return;
#endif
} else {
//Go down a directory.
if (this->dirpath.c_str() &&
(this->dirpath.c_str()[this->dirpath.length()-1] != wszSlash[0]))
this->dirpath += wszSlash;
this->dirpath += wstrDirname;
}
SetDirectory();
}
//*****************************************************************************
void CFileDialogWidget::SelectFile()
//Selects the file selected in the list box.
{
const WSTRING wFilename = this->pFileListBoxWidget->GetSelectedItemText();
if (!wFilename.empty())
this->pFilenameTextBox->SetText(wFilename.c_str());
CheckTextBox();
}
void CNamespace::Construct(WSTRING& naming)
{
if (!naming.empty())
{
auto list = SString::SPLIT(naming, L'.');
for (auto space : list)
{
Add(space);
}
}
}
//*****************************************************************************
void CHTMLWidget::StartElement(
//Expat callback function: Process XML start tag, and attributes.
//
//Params:
const XML_Char *name, const XML_Char **atts)
{
//Get tag type (assume no special chars).
const HTMLTagType eTagType = ParseTag(name);
if (wstrBuffer.length()) Flush();
++aeTagLevel[eTagType];
//Get id/name attribute
{
static const WCHAR wszID[] = {We('i'),We('d'),We(0)};
static const WCHAR wszNAME[] = {We('n'),We('a'),We('m'),We('e'),We(0)};
WSTRING tmp = GetAttr(wszID, atts);
if (tmp.empty())
tmp = GetAttr(wszNAME, atts);
if (!tmp.empty())
mIdmap.insert(std::make_pair(tmp, this->wY));
}
switch (eTagType)
{
case BODY_Tag:
{
static const WCHAR wszBgcolor[] = {We('b'),We('g'),We('c'),We('o'),We('l'),We('o'),We('r'),We(0)};
WSTRING bgcolor = GetAttr(wszBgcolor, atts);
if (bgcolor.size())
this->wstrBGColor = bgcolor;
break;
}
case UL_Tag:
case OL_Tag:
this->swOLstack.push(this->wOLcounter);
this->wOLcounter = (eTagType == OL_Tag ? 1 : 0);
this->wMargin += LISTINDENT;
NewLine(this->swOLstack.size() == 1);
break;
case H1_Tag:
case H2_Tag:
case H3_Tag:
NewLine();
break;
case TITLE_Tag:
wstrTitle = wszEmpty;
break;
case A_Tag:
swstrLink.push(GetAttr(wszHREF, atts));
break;
case B_Tag:
break;
case HR_Tag:
case BR_Tag:
NewLine(true);
break;
case IMG_Tag:
{
static const WCHAR wszSrc[] = {We('s'),We('r'),We('c'),We(0)};
WSTRING imageURL = this->wstrBasePath;
imageURL += wszSlash;
imageURL += GetAttr(wszSrc, atts);
CImageWidget *pImage = new CImageWidget(0, this->wX + this->wMargin, this->wY, imageURL.c_str());
ASSERT(pImage);
AddWidget(pImage);
this->wY += pImage->GetH();
this->wX = 0; //next thing goes on new line
break;
}
case P_Tag:
this->wY += static_cast<UINT>(g_pTheFM->GetFontLineHeight(FONTLIB::F_Text) * 2/3);
break;
case LI_Tag:
{
//Use image as bullet in stead ?
static const WCHAR wszItem[] = {We('*'),We(' '),We(0)};
NewLine();
if (this->wOLcounter)
{
WCHAR wszBuf[33];
wstrBuffer = (WSTRING)_itow(this->wOLcounter, wszBuf, 10)
+ wszPeriod + wszSpace;
++this->wOLcounter;
}
else wstrBuffer = wszItem;
Flush(true);
this->bSkipSpace = true;
break;
}
case TABLE_Tag:
NewLine();
vwColumns.clear();
//Fall through
case TR_Tag:
this->wCurrentColumn = 0;
break;
case TD_Tag:
{
if (this->wCurrentColumn >= vwColumns.size())
{
static const WCHAR wszWidth[] = {We('w'),We('i'),We('d'),We('t'),We('h'),We(0)};
WSTRING wstrWidthAttr = GetAttr(wszWidth, atts);
this->wTDWidth = wstrWidthAttr.length() > 0 ?
_Wtoi(wstrWidthAttr.c_str()) : 0;
vwColumns.push_back(this->wX += 32);
}
else
{
this->wX = vwColumns[this->wCurrentColumn];
this->wTDWidth = 0;
}
++this->wCurrentColumn;
this->bSkipSpace = true;
break;
}
default:
break;
}
}
//*****************************************************************************
bool CHTMLWidget::LoadFile(
//Load a file and parse it.
//
//Params:
const WCHAR *pwczFileName, //(in) File to load, or NULL to load index.
bool bNewLink, //(in) Whether page is new (not from the
// forward/back lists).
UINT wScrollY) //(in) Pixels to scroll down page initially
// (ignored if the filename contains a
// valid in-page anchor reference)
//
//Returns: whether page load was successful.
{
bool bFullPath = false;
if (!pwczFileName)
pwczFileName = this->wstrIndexPage.c_str(); //default = index page
if (!WCSlen(pwczFileName)) return false; //empty name
WSTRING wNewPage = pwczFileName;
WSTRING wGoToId;
UINT refpos = (UINT)-1;
//Very simple path finder
for (UINT i = WCSlen(pwczFileName); i--;)
{
if (pwczFileName[i] == SLASH)
{
bFullPath = true;
this->wstrBasePath = wNewPage.substr(0, i);
break;
}
else if (pwczFileName[i] == '#')
{
refpos = i;
wGoToId = &pwczFileName[i+1];
}
}
if (refpos != (UINT)-1)
wNewPage = refpos ? wNewPage.substr(0, refpos) : this->wstrCurrentPage;
if (refpos && !bFullPath)
wNewPage = this->wstrBasePath + wszSlash + wNewPage;
if (bNewLink)
{
//Add previous page to back list. Clear forward history.
GetScrollOffset(this->nOffsetX, this->nOffsetY);
SHTMLPos prev;
prev.wstrLink = this->wstrCurrentPage;
prev.wY = -this->nOffsetY;
if (!this->wstrCurrentPage.empty())
this->swstrBackLink.push(prev);
while (!swstrForwardLink.empty())
this->swstrForwardLink.pop();
}
//Only load if page requested isn't already being shown.
if (WCScmp(wNewPage.c_str(), this->wstrCurrentPage.c_str()))
{
CStretchyBuffer text;
CFiles files;
if (!files.ReadFileIntoBuffer(wNewPage.c_str(), text))
return false;
this->wstrCurrentPage = wNewPage;
this->wstrCurrentId = wGoToId;
VERIFY(Parse(text)); //parse should be successful, but return true in any case
}
//Scroll to id or specified Y-position, if possible
if (this->pParent && this->pParent->GetType() == WT_Scrollable)
{
if (!wGoToId.empty())
{
HTMLIDMAP::const_iterator idit = mIdmap.find(wGoToId);
if (idit != mIdmap.end())
wScrollY = (*idit).second;
}
CScrollableWidget *pContainer = DYN_CAST(CScrollableWidget*, CWidget*, this->pParent);
pContainer->ScrollAbsolute(0, 0);
pContainer->ScrollDownPixels(wScrollY);
}
return true;
}
