GP<DataPool>
DjVuErrorList::request_data(const DjVuPort * source, const GURL & url)
{
GP<DataPool> retval;
G_TRY
{
if (pool && url.protocol().downcase() == "data")
{
if(url == pool_url)
{
retval=pool;
}else if(url.base() == pool_url)
{
GUTF8String name=url.fname();
GP<DjVmDoc> doc=DjVmDoc::create();
GP<ByteStream> bs=pool->get_stream();
doc->read(*bs);
retval=doc->get_data(name);
}
}else if (url.is_local_file_url())
{
// GUTF8String fname=GOS::url_to_filename(url);
// if (GOS::basename(fname)=="-") fname="-";
retval=DataPool::create(url);
}
}
G_CATCH_ALL
{
retval=0;
} G_ENDCATCH;
return retval;
}
GURL
getExecDir(void)
{
// This is the same as GetModulePath in DjVuMessage.cpp
GURL retval;
GUTF8String &xprogramname=DjVuMessage::programname();
if(xprogramname.length())
{
if(xprogramname[1]=='/'
||!xprogramname.cmp("../",3)
||!xprogramname.cmp("./",2))
{
retval=GURL::Filename::UTF8(xprogramname);
}
if(retval.is_empty() || !retval.is_file())
{
GList<GURL> paths(parsePATH());
GMap<GUTF8String,void *> pathMAP;
for(GPosition pos=paths;pos;++pos)
{
retval=GURL::UTF8(xprogramname,paths[pos]);
const GUTF8String path(retval.get_string());
if(!pathMAP.contains(path))
{
if(retval.is_file())
break;
pathMAP[path]=0;
}
}
}
if (! retval.is_empty() )
retval = retval.follow_symlinks();
if (! retval.is_empty() )
retval = retval.base();
}
return retval;
}
void
lt_XMLParser::Impl::parse(const lt_XMLTags &tags, GURL *pdjvufile)
{
const GPList<lt_XMLTags> Body(tags.get_Tags(bodytag));
GPosition pos=Body;
if(!pos || (pos != Body.lastpos()))
{
G_THROW( ERR_MSG("XMLAnno.extra_body") );
}
const GP<lt_XMLTags> GBody(Body[pos]);
if(!GBody)
{
G_THROW( ERR_MSG("XMLAnno.no_body") );
}
GMap<GUTF8String,GP<lt_XMLTags> > Maps;
lt_XMLTags::get_Maps(maptag,"name",Body,Maps);
const GPList<lt_XMLTags> Objects(GBody->get_Tags(objecttag));
lt_XMLTags::get_Maps(maptag,"name",Objects,Maps);
for(GPosition Objpos=Objects;Objpos;++Objpos)
{
lt_XMLTags &GObject=*Objects[Objpos];
// Map of attributes to value (e.g. "width" --> "500")
const GMap<GUTF8String,GUTF8String> &args=GObject.get_args();
GURL codebase;
{
DEBUG_MSG("Setting up codebase... m_codebase = " << m_codebase << "\n");
GPosition codebasePos=args.contains("codebase");
// If user specified a codebase attribute, assume it is correct (absolute URL):
// the GURL constructor will throw an exception if it isn't
if(codebasePos)
{
codebase=GURL::UTF8(args[codebasePos]);
}else if (m_codebase.is_dir())
{
codebase=m_codebase;
}else
{
codebase=GURL::Filename::UTF8(GOS::cwd());
}
DEBUG_MSG("codebase = " << codebase << "\n");
}
// the data attribute specifies the input file. This can be
// either an absolute URL (starts with file:/) or a relative
// URL (for now, just a path and file name). If it's absolute,
// our GURL will adequately wrap it. If it's relative, we need
// to use the codebase attribute to form an absolute URL first.
GPosition datapos=args.contains("data");
if(datapos)
{
bool isDjVuType=false;
GPosition typePos(args.contains("type"));
if(typePos)
{
if(args[typePos] != mimetype)
{
// DjVuPrintErrorUTF8("Ignoring %s Object tag\n",mimetype);
continue;
}
isDjVuType=true;
}
const GURL url = (pdjvufile) ? *pdjvufile
: GURL::UTF8(args[datapos],
(args[datapos][0] == '/') ? codebase.base() : codebase);
int width;
{
GPosition widthPos=args.contains("width");
width=(widthPos)?args[widthPos].toInt():0;
}
int height;
{
GPosition heightPos=args.contains("height");
height=(heightPos)?args[heightPos].toInt():0;
}
GUTF8String gamma;
GUTF8String dpi;
GUTF8String page;
GUTF8String do_ocr;
{
GPosition paramPos(GObject.contains(paramtag));
if(paramPos)
{
const GPList<lt_XMLTags> Params(GObject[paramPos]);
for(GPosition loc=Params;loc;++loc)
{
const GMap<GUTF8String,GUTF8String> &pargs=Params[loc]->get_args();
GPosition namepos=pargs.contains("name");
if(namepos)
{
GPosition valuepos=pargs.contains("value");
if(valuepos)
{
const GUTF8String name=pargs[namepos].downcase();
const GUTF8String &value=pargs[valuepos];
if(name == "flags")
{
GMap<GUTF8String,GUTF8String> args;
lt_XMLTags::ParseValues(value,args,true);
if(args.contains("page"))
{
page=args["page"];
}
if(args.contains("dpi"))
{
dpi=args["dpi"];
}
if(args.contains("gamma"))
{
gamma=args["gamma"];
}
if(args.contains("ocr"))
{
do_ocr=args["ocr"];
}
}else if(name == "page")
{
page=value;
}else if(name == "dpi")
{
dpi=value;
}else if(name == "gamma")
{
gamma=value;
}else if(name == "ocr")
{
do_ocr=value;
}
}
}
}
}
}
const GP<DjVuFile> dfile(get_file(url,page));
if(dpi.is_int() || gamma.is_float())
{
int pos=0;
ChangeInfo(*dfile,dpi.toInt(),gamma.toDouble(pos,pos));
}
parse_anno(width,height,GObject,Maps,*dfile);
parse_meta(GObject,*dfile);
parse_text(width,height,GObject,*dfile);
ChangeTextOCR(do_ocr,width,height,dfile);
}
}
}
DjVuNavDir::DjVuNavDir(const GURL &dirURL)
{
if (!dirURL) G_THROW( ERR_MSG("DjVuNavDir.zero_dir") );
baseURL=dirURL.base();
}