bool DirManager::MoveToNewProjectDirectory(BlockFile *f)
{
wxFileName newFileName;
wxFileName oldFileName=f->mFileName;
AssignFile(newFileName,f->mFileName.GetFullName(),FALSE);
if ( !(newFileName == f->mFileName) ) {
bool ok = wxRenameFile(f->mFileName.GetFullPath(),
newFileName.GetFullPath());
if (ok)
f->mFileName = newFileName;
else {
ok = wxCopyFile(f->mFileName.GetFullPath(),
newFileName.GetFullPath());
if (ok) {
wxRemoveFile(f->mFileName.GetFullPath());
f->mFileName = newFileName;
}
else
return false;
}
}
return true;
}
int wxPopplerConvPPM::Output(void)
{
if (!isready) return -1;
if (!isopen) {
isopen = AssignFile();
if (!isopen) return -1;
}
//output one page
doc->displayPage(splashOut, curpage, resolution, resolution, 0,
gFalse, gTrue, gFalse);
wxString fname, extname;
switch (color) {
case full:
extname = _T("ppm"); break;
case mono:
extname = _T("pbm"); break;
case gray:
extname = _T("pgm"); break;
}
fname.Printf(_T("%s-%06d.%s"),rootName.c_str(),curpage,extname.c_str());
lastpath = wxFileName(outputDir,fname).GetFullPath();
wxCharBuffer cfile = wxConvUTF8.cWC2MB(lastpath.wc_str(*wxConvCurrent));
splashOut->getBitmap()->writePNMFile(cfile.data());
return ++curpage;
}
bool wxPopplerConvPPM::Prepare(void)
{
if (isready) return true;
if (!isopen) {
isopen = AssignFile();
if (!isopen) return false;
}
//get page range
InitPageRange();
//setup splash
switch (color) {
case full:
splashOut = new SplashOutputDev(splashModeRGB8, 1, gFalse, paperColor);
break;
case mono:
splashOut = new SplashOutputDev(splashModeMono1, 1, gFalse, paperColor);
break;
case gray:
splashOut = new SplashOutputDev(splashModeMono8, 1, gFalse, paperColor);
break;
}
splashOut->startDoc(doc->getXRef());
curpage = firstpage;
isready = true;
return true;
}
int wxPopplerConvPPM::OutputAll(void)
{
if (!isready) return -1;
if (!isopen) {
isopen = AssignFile();
if (!isopen) return false;
}
//output one page
wxString fname, extname;
switch (color) {
case full:
extname = _T("ppm"); break;
case mono:
extname = _T("pbm"); break;
case gray:
extname = _T("pgm"); break;
}
for (curpage = firstpage; curpage <= lastpage; curpage++) {
doc->displayPage(splashOut, curpage, resolution, resolution, 0,
gFalse, gTrue, gFalse);
fname.Printf(_T("%s-%06d.%s"),rootName.c_str(),curpage,extname.c_str());
wxCharBuffer cfile = wxConvUTF8.cWC2MB(fname.wc_str(*wxConvCurrent));
splashOut->getBitmap()->writePNMFile(cfile.data());
}
return curpage;
}
wxPopplerConvPPM::wxPopplerConvPPM(const wxString &name, const wxString &usr, const wxString &own)
{
Initialize();
if (!globalParams) {
globalParams = new GlobalParams();
}
SetTargetFile(name);
SetUserPassword(usr);
SetOwnerPassword(own);
isopen = AssignFile();
}
bool DirManager::CopyToNewProjectDirectory(BlockFile *f)
{
wxFileName newFileName;
AssignFile(newFileName,f->mFileName.GetFullName(),FALSE);
if ( !(newFileName == f->mFileName) ) {
bool ok = wxCopyFile(f->mFileName.GetFullPath(),
newFileName.GetFullPath());
if (ok) {
f->mFileName = newFileName;
}
else
return false;
}
return true;
}
// only determines appropriate filename and subdir balance; does not
// perform maintainence
wxFileName DirManager::MakeBlockFileName()
{
wxFileName ret;
wxString baseFileName;
unsigned int filenum,midnum,topnum,midkey;
while(1){
/* blockfiles are divided up into heirarchical directories.
Each toplevel directory is represented by "e" + two unique
hexadecimal digits, for a total possible number of 256
toplevels. Each toplevel contains up to 256 subdirs named
"d" + two hex digits. Each subdir contains 'a number' of
files. */
filenum=0;
midnum=0;
topnum=0;
// first action: if there is no available two-level directory in
// the available pool, try to make one
if(dirMidPool.empty()){
// is there a toplevel directory with space for a new subdir?
if(!dirTopPool.empty()){
// there's still a toplevel with room for a subdir
DirHash::iterator i = dirTopPool.begin();
int newcount = 0;
topnum = i->first;
// search for unused midlevels; linear search adequate
// add 32 new topnum/midnum dirs full of prospective filenames to midpool
for(midnum=0;midnum<256;midnum++){
midkey=(topnum<<8)+midnum;
if(BalanceMidAdd(topnum,midkey)){
newcount++;
if(newcount>=32)break;
}
}
if(dirMidPool.empty()){
// all the midlevels in this toplevel are in use yet the
// toplevel claims some are free; this implies multiple
// internal logic faults, but simply giving up and going
// into an infinite loop isn't acceptible. Just in case,
// for some reason, we get here, dynamite this toplevel so
// we don't just fail.
// this is 'wrong', but the best we can do given that
// something else is also wrong. It will contain the
// problem so we can keep going without worry.
dirTopPool.erase(topnum);
dirTopFull[topnum]=256;
}
continue;
}
}
if(dirMidPool.empty()){
// still empty, thus an absurdly large project; all dirs are
// full to 256/256/256; keep working, but fall back to 'big
// filenames' and randomized placement
filenum = rand();
midnum = (int)(256.*rand()/(RAND_MAX+1.));
topnum = (int)(256.*rand()/(RAND_MAX+1.));
midkey=(topnum<<8)+midnum;
}else{
DirHash::iterator i = dirMidPool.begin();
midkey = i->first;
// split the retrieved 16 bit directory key into two 8 bit numbers
topnum = midkey >> 8;
midnum = midkey & 0xff;
filenum = (int)(4096.*rand()/(RAND_MAX+1.));
}
baseFileName.Printf(wxT("e%02x%02x%03x"),topnum,midnum,filenum);
if(blockFileHash.find(baseFileName) == blockFileHash.end()){
// not in the hash, good.
if(AssignFile(ret,baseFileName,TRUE)==FALSE){
// this indicates an on-disk collision, likely due to an
// orphaned blockfile. We should try again, but first
// alert the balancing info there's a phantom file here;
// if the directory is nearly full of orphans we neither
// want performance to suffer nor potentially get into an
// infinite loop if all possible filenames are taken by
// orphans (unlikely but possible)
BalanceFileAdd(midkey);
}else break;
}
}
// FIX-ME: Might we get here without midkey having been set?
BalanceFileAdd(midkey);
return ret;
}
