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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commit47d455dd55be855e4cc691c32f687f723d9247ee (patch)
tree52e236aaa2576bdb3840ebede26619692fed6d7d /kviewshell/plugins/djvu/libdjvu/DjVmDir.cpp
downloadtdegraphics-47d455dd55be855e4cc691c32f687f723d9247ee.tar.gz
tdegraphics-47d455dd55be855e4cc691c32f687f723d9247ee.zip
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdegraphics@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
Diffstat (limited to 'kviewshell/plugins/djvu/libdjvu/DjVmDir.cpp')
-rw-r--r--kviewshell/plugins/djvu/libdjvu/DjVmDir.cpp839
1 files changed, 839 insertions, 0 deletions
diff --git a/kviewshell/plugins/djvu/libdjvu/DjVmDir.cpp b/kviewshell/plugins/djvu/libdjvu/DjVmDir.cpp
new file mode 100644
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--- /dev/null
+++ b/kviewshell/plugins/djvu/libdjvu/DjVmDir.cpp
@@ -0,0 +1,839 @@
+//C- -*- C++ -*-
+//C- -------------------------------------------------------------------
+//C- DjVuLibre-3.5
+//C- Copyright (c) 2002 Leon Bottou and Yann Le Cun.
+//C- Copyright (c) 2001 AT&T
+//C-
+//C- This software is subject to, and may be distributed under, the
+//C- GNU General Public License, Version 2. The license should have
+//C- accompanied the software or you may obtain a copy of the license
+//C- from the Free Software Foundation at http://www.fsf.org .
+//C-
+//C- This program is distributed in the hope that it will be useful,
+//C- but WITHOUT ANY WARRANTY; without even the implied warranty of
+//C- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+//C- GNU General Public License for more details.
+//C-
+//C- DjVuLibre-3.5 is derived from the DjVu(r) Reference Library
+//C- distributed by Lizardtech Software. On July 19th 2002, Lizardtech
+//C- Software authorized us to replace the original DjVu(r) Reference
+//C- Library notice by the following text (see doc/lizard2002.djvu):
+//C-
+//C- ------------------------------------------------------------------
+//C- | DjVu (r) Reference Library (v. 3.5)
+//C- | Copyright (c) 1999-2001 LizardTech, Inc. All Rights Reserved.
+//C- | The DjVu Reference Library is protected by U.S. Pat. No.
+//C- | 6,058,214 and patents pending.
+//C- |
+//C- | This software is subject to, and may be distributed under, the
+//C- | GNU General Public License, Version 2. The license should have
+//C- | accompanied the software or you may obtain a copy of the license
+//C- | from the Free Software Foundation at http://www.fsf.org .
+//C- |
+//C- | The computer code originally released by LizardTech under this
+//C- | license and unmodified by other parties is deemed "the LIZARDTECH
+//C- | ORIGINAL CODE." Subject to any third party intellectual property
+//C- | claims, LizardTech grants recipient a worldwide, royalty-free,
+//C- | non-exclusive license to make, use, sell, or otherwise dispose of
+//C- | the LIZARDTECH ORIGINAL CODE or of programs derived from the
+//C- | LIZARDTECH ORIGINAL CODE in compliance with the terms of the GNU
+//C- | General Public License. This grant only confers the right to
+//C- | infringe patent claims underlying the LIZARDTECH ORIGINAL CODE to
+//C- | the extent such infringement is reasonably necessary to enable
+//C- | recipient to make, have made, practice, sell, or otherwise dispose
+//C- | of the LIZARDTECH ORIGINAL CODE (or portions thereof) and not to
+//C- | any greater extent that may be necessary to utilize further
+//C- | modifications or combinations.
+//C- |
+//C- | The LIZARDTECH ORIGINAL CODE is provided "AS IS" WITHOUT WARRANTY
+//C- | OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
+//C- | TO ANY WARRANTY OF NON-INFRINGEMENT, OR ANY IMPLIED WARRANTY OF
+//C- | MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+//C- +------------------------------------------------------------------
+//
+// $Id: DjVmDir.cpp,v 1.10 2004/05/05 15:12:42 leonb Exp $
+// $Name: release_3_5_15 $
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+#if NEED_GNUG_PRAGMAS
+# pragma implementation
+#endif
+
+#include "DjVmDir.h"
+#include "BSByteStream.h"
+#include "GURL.h"
+#include "debug.h"
+
+#include <ctype.h>
+
+
+#ifdef HAVE_NAMESPACES
+namespace DJVU {
+# ifdef NOT_DEFINED // Just to fool emacs c++ mode
+}
+#endif
+#endif
+
+
+GP<DjVmDir::File>
+DjVmDir::File::create(const GUTF8String &load_name,
+ const GUTF8String &save_name, const GUTF8String &title,
+ const FILE_TYPE file_type)
+{
+ File *file_ptr=new File();
+ GP<File> file=file_ptr;
+ file_ptr->set_load_name(load_name);
+ file_ptr->set_save_name(save_name);
+ file_ptr->set_title(title);
+ file_ptr->flags=(file_type & TYPE_MASK);
+ return file;
+}
+
+const GUTF8String &
+DjVmDir::File::check_save_name(const bool xis_bundled)
+{
+ if(!xis_bundled && !valid_name)
+ {
+ GUTF8String retval=name.length()?name:id;
+ if(GUTF8String(GNativeString(retval)) != retval)
+ {
+ const_cast<bool &>(valid_name)=true;
+ char *buf;
+ GPBuffer<char> gbuf(buf,2*retval.length()+1);
+ char *s=buf;
+ int i=0;
+ for(char c=retval[i++];c;)
+ {
+ static const char hex[]="0123456789ABCDEF";
+ int len=retval.nextChar(i)-i;
+ if(len>1 || ((len == 1)&&(c&0x80)))
+ {
+ do
+ {
+ s++[0]=hex[(c>>4)&0xf];
+ s++[0]=hex[(c&0xf)];
+ c=retval[i++];
+ } while(c && ((--len) > 0));
+ }else
+ {
+ s++[0]=c;
+ c=retval[i++];
+ }
+ }
+ s++[0]=0;
+ oldname=retval;
+ name=buf;
+ }
+ const_cast<bool &>(valid_name)=true;
+ }
+ return *(name.length()?&name:&id);
+}
+
+const GUTF8String &
+DjVmDir::File::get_save_name(void) const
+{
+ return *(name.length()?&name:&id);
+}
+
+void
+DjVmDir::File::set_load_name(const GUTF8String &xid)
+{
+ GURL url=GURL::UTF8(xid);
+ if(!url.is_valid())
+ {
+ url=GURL::Filename::UTF8(xid);
+ }
+ id=url.fname();
+}
+
+void
+DjVmDir::File::set_save_name(const GUTF8String &xname)
+{
+ GURL url;
+ valid_name=false;
+ if(!xname.length())
+ {
+ GURL url=GURL::UTF8(id);
+ if(!url.is_valid())
+ {
+ name=id;
+ }else
+ {
+ name=url.fname();
+ }
+ }else
+ {
+ GURL url=GURL::UTF8(xname);
+ if(!url.is_valid())
+ {
+ url=GURL::Filename::UTF8(xname);
+ }
+ name=url.fname();
+ }
+ oldname="";
+}
+
+/* DjVmDir::File */
+
+DjVmDir::File::File(void) : offset(0), size(0), valid_name(false),
+ flags(0), page_num(-1) { }
+
+GUTF8String
+DjVmDir::File::get_str_type(void) const
+{
+ GUTF8String type;
+ switch(flags & TYPE_MASK)
+ {
+ case INCLUDE:
+ type="INCLUDE";
+ break;
+ case PAGE:
+ type="PAGE";
+ break;
+ case THUMBNAILS:
+ type="THUMBNAILS";
+ break;
+ case SHARED_ANNO:
+ type="SHARED_ANNO";
+ break;
+ default:
+ // Internal error: please modify DjVmDir::File::get_str_type()
+ // to contain all possible File types.
+ G_THROW( ERR_MSG("DjVmDir.get_str_type") );
+ }
+ return type;
+}
+
+
+const int DjVmDir::version=1;
+
+void
+DjVmDir::decode(const GP<ByteStream> &gstr)
+{
+ ByteStream &str=*gstr;
+ DEBUG_MSG("DjVmDir::decode(): decoding contents of 'DIRM' chunk...\n");
+ DEBUG_MAKE_INDENT(3);
+
+ GCriticalSectionLock lock(&class_lock);
+
+ GPosition pos;
+
+ files_list.empty();
+ page2file.resize(-1);
+ name2file.empty();
+ id2file.empty();
+ title2file.empty();
+
+ int ver=str.read8();
+ bool bundled=(ver & 0x80)!=0;
+ ver&=0x7f;
+
+ DEBUG_MSG("DIRM version=" << ver << ", our version=" << version << "\n");
+ if (ver>version)
+ G_THROW( ERR_MSG("DjVmDir.version_error") "\t"
+ + GUTF8String(version) + "\t" + GUTF8String(ver));
+ // Unable to read DJVM directories of versions higher than xxx
+ // Data version number is yyy.
+ DEBUG_MSG("bundled directory=" << bundled << "\n");
+ DEBUG_MSG("reading the directory records...\n");
+ int files=str.read16();
+ DEBUG_MSG("number of files=" << files << "\n");
+
+ if (files)
+ {
+ DEBUG_MSG("reading offsets (and sizes for ver==0)\n");
+ for(int nfile=0;nfile<files;nfile++)
+ {
+ GP<File> file=new File();
+ files_list.append(file);
+ if (bundled)
+ {
+ file->offset=str.read32();
+ if (ver==0)
+ file->size=str.read24();
+ if (file->offset==0)
+ G_THROW( ERR_MSG("DjVmDir.no_indirect") );
+ } else
+ {
+ file->offset=file->size=0;
+ }
+ }
+
+ GP<ByteStream> gbs_str=BSByteStream::create(gstr);
+ ByteStream &bs_str=*gbs_str;
+ if (ver>0)
+ {
+ DEBUG_MSG("reading and decompressing sizes...\n");
+ for(GPosition pos=files_list;pos;++pos)
+ files_list[pos]->size=bs_str.read24();
+ }
+
+ DEBUG_MSG("reading and decompressing flags...\n");
+ for(pos=files_list;pos;++pos)
+ files_list[pos]->flags=bs_str.read8();
+
+ if (!ver)
+ {
+ DEBUG_MSG("converting flags from version 0...\n");
+ for(pos=files_list;pos;++pos)
+ {
+ unsigned char flags_0=files_list[pos]->flags;
+ unsigned char flags_1;
+ flags_1=(flags_0 & File::IS_PAGE_0)?(File::PAGE):(File::INCLUDE);
+ if (flags_0 & File::HAS_NAME_0)
+ flags_1|=File::HAS_NAME;
+ if (flags_0 & File::HAS_TITLE_0)
+ flags_1|=File::HAS_TITLE;
+ files_list[pos]->flags=flags_1;
+ }
+ }
+
+ DEBUG_MSG("reading and decompressing names...\n");
+ GTArray<char> strings;
+ char buffer[1024];
+ int length;
+ while((length=bs_str.read(buffer, 1024)))
+ {
+ int strings_size=strings.size();
+ strings.resize(strings_size+length-1);
+ memcpy((char*) strings+strings_size, buffer, length);
+ }
+ DEBUG_MSG("size of decompressed names block=" << strings.size() << "\n");
+
+ // Copy names into the files
+ const char * ptr=strings;
+ for(pos=files_list;pos;++pos)
+ {
+ GP<File> file=files_list[pos];
+
+ file->id=ptr;
+ ptr+=file->id.length()+1;
+ if (file->flags & File::HAS_NAME)
+ {
+ file->name=ptr;
+ ptr+=file->name.length()+1;
+ } else
+ {
+ file->name=file->id;
+ }
+ if (file->flags & File::HAS_TITLE)
+ {
+ file->title=ptr;
+ ptr+=file->title.length()+1;
+ } else
+ file->title=file->id;
+ /* msr debug: multipage file, file->title is null.
+ DEBUG_MSG(file->name << ", " << file->id << ", " << file->title << ", " <<
+ file->offset << ", " << file->size << ", " <<
+ file->is_page() << "\n"); */
+ }
+
+ // Check that there is only one file with SHARED_ANNO flag on
+ int shared_anno_cnt=0;
+ for(pos=files_list;pos;++pos)
+ {
+ if (files_list[pos]->is_shared_anno())
+ {
+ shared_anno_cnt++;
+ }
+ }
+ if (shared_anno_cnt>1)
+ G_THROW( ERR_MSG("DjVmDir.corrupt") );
+
+ // Now generate page=>file array for direct access
+ int pages=0;
+ for(pos=files_list;pos;++pos)
+ pages+=files_list[pos]->is_page() ? 1 : 0;
+ DEBUG_MSG("got " << pages << " pages\n");
+ page2file.resize(pages-1);
+ int page_num=0;
+ for(pos=files_list;pos;++pos)
+ {
+ GP<File> file=files_list[pos];
+ if (file->is_page())
+ {
+ page2file[page_num]=file;
+ file->page_num=page_num++;
+ }
+ }
+
+ // Generate name2file map
+ for(pos=files_list;pos;++pos)
+ {
+ GP<File> file=files_list[pos];
+ if (name2file.contains(file->name))
+ G_THROW( ERR_MSG("DjVmDir.dupl_name") "\t" + file->name );
+ name2file[file->name]=file;
+ }
+
+ // Generate id2file map
+ for(pos=files_list;pos;++pos)
+ {
+ GP<File> file=files_list[pos];
+ if (id2file.contains(file->id))
+ G_THROW( ERR_MSG("DjVmDir.dupl_id") "\t" + file->id);
+ id2file[file->id]=file;
+ }
+
+ // Generate title2file map
+ for(pos=files_list;pos;++pos)
+ {
+ GP<File> file=files_list[pos];
+ if (file->title.length())
+ {
+ if (title2file.contains(file->title))
+ G_THROW( ERR_MSG("DjVmDir.dupl_title") "\t" + file->title);
+ title2file[file->title]=file;
+ }
+ }
+ }
+}
+
+
+void
+DjVmDir::encode(const GP<ByteStream> &gstr, const bool do_rename) const
+{
+ bool bundled = true;
+ GPosition pos = files_list;
+ if (files_list.size() && !files_list[pos]->offset)
+ bundled = false;
+ for (pos=files_list; pos; ++pos)
+ if ( !bundled != !files_list[pos]->offset)
+ // There directory contains both indirect and bundled records.
+ G_THROW( ERR_MSG("DjVmDir.bad_dir") );
+ // Do the real work
+ encode(gstr, bundled, do_rename);
+}
+
+void
+DjVmDir::encode(const GP<ByteStream> &gstr, const bool bundled, const bool do_rename) const
+{
+ ByteStream &str=*gstr;
+ DEBUG_MSG("DjVmDir::encode(): encoding contents of the 'DIRM' chunk do_rename=" << do_rename << "\n");
+ DEBUG_MAKE_INDENT(3);
+
+ GCriticalSectionLock lock((GCriticalSection *) &class_lock);
+ GPosition pos;
+
+ DEBUG_MSG("encoding version number=" << version << ", bundled=" << bundled << "\n");
+ str.write8(version | ((int) bundled<< 7));
+
+ DEBUG_MSG("storing the number of records=" << files_list.size() << "\n");
+ str.write16(files_list.size());
+
+ if (files_list.size())
+ {
+ // Check that there is only one file with shared annotations
+ int shared_anno_cnt=0;
+ for (pos=files_list; pos; ++pos)
+ if (files_list[pos]->is_shared_anno())
+ shared_anno_cnt++;
+ if (shared_anno_cnt>1)
+ G_THROW( ERR_MSG("DjVmDir.multi_save") );
+
+ if (bundled)
+ {
+ // We need to store offsets uncompressed. That's because when
+ // we save a DjVmDoc, we first compress the DjVmDir with dummy
+ // offsets and after computing the real offsets we rewrite the
+ // DjVmDir, which should not change its size during this operation
+ DEBUG_MSG("storing offsets for every record\n");
+ for (pos=files_list; pos; ++pos)
+ {
+ GP<File> file=files_list[pos];
+ if (!file->offset)
+ // The directory contains record without offset
+ G_THROW( ERR_MSG("DjVmDir.bad_dir") );
+ str.write32(file->offset);
+ }
+ }
+
+ GP<ByteStream> gbs_str=BSByteStream::create(gstr, 50);
+ ByteStream &bs_str=*gbs_str;
+ DEBUG_MSG("storing and compressing sizes for every record\n");
+ for (pos=files_list; pos; ++pos)
+ {
+ const GP<File> file(files_list[pos]);
+ bs_str.write24(file->size);
+ }
+ DEBUG_MSG("storing and compressing flags for every record\n");
+ const bool xdo_rename=(do_rename||!bundled);
+ for(pos=files_list;pos;++pos)
+ {
+ const GP<File> file(files_list[pos]);
+ if(xdo_rename)
+ {
+ const GUTF8String new_id = file->name;
+ if (! new_id)
+ if(!file->oldname.length() || file->oldname == new_id)
+ file->flags &= ~File::HAS_NAME;
+ else
+ file->flags |= File::HAS_NAME;
+ }
+ else
+ {
+ if (!file->name.length() || file->name == file->id)
+ file->flags &= ~File::HAS_NAME;
+ else
+ file->flags |= File::HAS_NAME;
+ }
+ if (file->title.length() && (file->title!=file->id))
+ file->flags |= File::HAS_TITLE;
+ else
+ file->flags &= ~File::HAS_TITLE;
+
+ bs_str.write8(file->flags);
+ }
+
+ DEBUG_MSG("storing and compressing names...\n");
+ for(pos=files_list;pos;++pos)
+ {
+ GP<File> file=files_list[pos];
+ GUTF8String id;
+ GUTF8String name;
+ GUTF8String title;
+ if (xdo_rename)
+ {
+ id = file->name;
+ if (! id)
+ id = file->id;
+ if ((file->flags) & File::HAS_NAME)
+ name = file->oldname;
+ }
+ else
+ {
+ id=file->id;
+ if ((file->flags) & File::HAS_NAME)
+ name = file->name;
+ }
+ if ((file->flags) & File::HAS_TITLE)
+ title = file->title;
+ DEBUG_MSG("rename=" <<xdo_rename<<" id='" << id << "' name='" << name << "' title='" << title << "'\n");
+ bs_str.writestring(id);
+ bs_str.write8(0);
+ if (name.length())
+ {
+ bs_str.writestring(name);
+ bs_str.write8(0);
+ }
+ if (title.length())
+ {
+ bs_str.writestring(title);
+ bs_str.write8(0);
+ }
+ }
+ }
+ DEBUG_MSG("done\n");
+}
+
+GP<DjVmDir::File>
+DjVmDir::page_to_file(int page_num) const
+{
+ GCriticalSectionLock lock((GCriticalSection *) &class_lock);
+
+ return (page_num<page2file.size())?page2file[page_num]:(GP<DjVmDir::File>(0));
+}
+
+GP<DjVmDir::File>
+DjVmDir::name_to_file(const GUTF8String & name) const
+{
+ GCriticalSectionLock lock((GCriticalSection *) &class_lock);
+
+ GPosition pos;
+ return (name2file.contains(name, pos))?name2file[pos]:(GP<DjVmDir::File>(0));
+}
+
+GP<DjVmDir::File>
+DjVmDir::id_to_file(const GUTF8String &id) const
+{
+ GCriticalSectionLock lock((GCriticalSection *) &class_lock);
+
+ GPosition pos;
+ return (id2file.contains(id, pos))?id2file[pos]:(GP<DjVmDir::File>(0));
+}
+
+GP<DjVmDir::File>
+DjVmDir::title_to_file(const GUTF8String &title) const
+{
+ GCriticalSectionLock lock((GCriticalSection *) &class_lock);
+
+ GPosition pos;
+ return (title2file.contains(title, pos))?title2file[pos]:(GP<DjVmDir::File>(0));
+}
+
+GPList<DjVmDir::File>
+DjVmDir::get_files_list(void) const
+{
+ GCriticalSectionLock lock((GCriticalSection *) &class_lock);
+ return files_list;
+}
+
+int
+DjVmDir::get_files_num(void) const
+{
+ GCriticalSectionLock lock((GCriticalSection *) &class_lock);
+ return files_list.size();
+}
+
+int
+DjVmDir::get_pages_num(void) const
+{
+ GCriticalSectionLock lock((GCriticalSection *) &class_lock);
+ return page2file.size();
+}
+
+int
+DjVmDir::get_file_pos(const File * f) const
+{
+ GCriticalSectionLock lock((GCriticalSection *) &class_lock);
+ int cnt;
+ GPosition pos;
+ for(pos=files_list, cnt=0;pos&&(files_list[pos]!=f);++pos, cnt++)
+ continue;
+ return (pos)?cnt:(-1);
+}
+
+int
+DjVmDir::get_page_pos(int page_num) const
+{
+ GCriticalSectionLock lock((GCriticalSection *) &class_lock);
+
+ GP<File> file=page_to_file(page_num);
+ return (file)?get_file_pos(file):(-1);
+}
+
+GP<DjVmDir::File>
+DjVmDir::get_shared_anno_file(void) const
+{
+ GCriticalSectionLock lock((GCriticalSection *) &class_lock);
+
+ GP<File> file;
+ for(GPosition pos=files_list;pos;++pos)
+ {
+ GP<File> frec=files_list[pos];
+ if (frec->is_shared_anno())
+ {
+ file=frec;
+ break;
+ }
+ }
+ return file;
+}
+
+int
+DjVmDir::insert_file(const GP<File> & file, int pos_num)
+{
+ DEBUG_MSG("DjVmDir::insert_file(): name='" << file->name << "', pos=" << pos_num << "\n");
+ DEBUG_MAKE_INDENT(3);
+
+ GCriticalSectionLock lock((GCriticalSection *) &class_lock);
+
+ if (pos_num<0)
+ pos_num=files_list.size();
+
+ // Modify maps
+// if (! File::is_legal_id(file->id))
+// G_THROW( ERR_MSG("DjVmDir.bad_file") "\t" + file->id);
+ if (id2file.contains(file->id))
+ G_THROW( ERR_MSG("DjVmDir.dupl_id2") "\t" + file->id);
+ if (name2file.contains(file->name))
+ G_THROW( ERR_MSG("DjVmDir.dupl_name2") "\t" + file->name);
+ name2file[file->name]=file;
+ id2file[file->id]=file;
+ if (file->title.length())
+ {
+ if (title2file.contains(file->title)) // duplicate titles may become ok some day
+ G_THROW( ERR_MSG("DjVmDir.dupl_title2") "\t" + file->title);
+ title2file[file->title]=file;
+ }
+
+ // Make sure that there is no more than one file with shared annotations
+ if (file->is_shared_anno())
+ {
+ for(GPosition pos=files_list;pos;++pos)
+ if (files_list[pos]->is_shared_anno())
+ G_THROW( ERR_MSG("DjVmDir.multi_save2") );
+ }
+
+ // Add the file to the list
+ int cnt;
+ GPosition pos;
+ for(pos=files_list, cnt=0;pos&&(cnt!=pos_num);++pos, cnt++)
+ continue;
+ if (pos)
+ files_list.insert_before(pos, file);
+ else
+ files_list.append(file);
+
+ if (file->is_page())
+ {
+ // This file is also a page
+ // Count its number
+ int page_num=0;
+ for(pos=files_list;pos;++pos)
+ {
+ GP<File> &f=files_list[pos];
+ if (f==file)
+ break;
+ if (f->is_page())
+ page_num++;
+ }
+
+ int i;
+ page2file.resize(page2file.size());
+ for(i=page2file.size()-1;i>page_num;i--)
+ page2file[i]=page2file[i-1];
+ page2file[page_num]=file;
+ for(i=page_num;i<page2file.size();i++)
+ page2file[i]->page_num=i;
+ }
+ return pos_num;
+}
+
+void
+DjVmDir::delete_file(const GUTF8String &id)
+{
+ DEBUG_MSG("Deleting file with id='" << (const char *)id << "'\n");
+ DEBUG_MAKE_INDENT(3);
+
+ GCriticalSectionLock lock((GCriticalSection *) &class_lock);
+
+ for(GPosition pos=files_list;pos;++pos)
+ {
+ GP<File> & f=files_list[pos];
+ if (id == f->id)
+ {
+ name2file.del(f->name);
+ id2file.del(f->id);
+ title2file.del(f->title);
+ if (f->is_page())
+ {
+ for(int page=0;page<page2file.size();page++)
+ {
+ if (page2file[page]==f)
+ {
+ int i;
+ for(i=page;i<page2file.size()-1;i++)
+ page2file[i]=page2file[i+1];
+ page2file.resize(page2file.size()-2);
+ for(i=page;i<page2file.size();i++)
+ page2file[i]->page_num=i;
+ break;
+ }
+ }
+ }
+ files_list.del(pos);
+ break;
+ }
+ }
+}
+
+void
+DjVmDir::set_file_name(const GUTF8String &id, const GUTF8String &name)
+{
+ DEBUG_MSG("DjVmDir::set_file_name(): id='" << id << "', name='" << name << "'\n");
+ DEBUG_MAKE_INDENT(3);
+
+ GCriticalSectionLock lock((GCriticalSection *) &class_lock);
+
+ GPosition pos;
+
+ // First see, if the name is unique
+ for(pos=files_list;pos;++pos)
+ {
+ GP<File> file=files_list[pos];
+ if (file->id!=id && file->name==name)
+ G_THROW( ERR_MSG("DjVmDir.name_in_use") "\t" + GUTF8String(name));
+ }
+
+ // Check if ID is valid
+ if (!id2file.contains(id, pos))
+ G_THROW( ERR_MSG("DjVmDir.no_info") "\t" + GUTF8String(id));
+ GP<File> file=id2file[pos];
+ name2file.del(file->name);
+ file->name=name;
+ name2file[name]=file;
+}
+
+void
+DjVmDir::set_file_title(const GUTF8String &id, const GUTF8String &title)
+{
+ DEBUG_MSG("DjVmDir::set_file_title(): id='" << id << "', title='" << title << "'\n");
+ DEBUG_MAKE_INDENT(3);
+
+ GCriticalSectionLock lock((GCriticalSection *) &class_lock);
+
+ GPosition pos;
+
+ // First see, if the title is unique
+ for(pos=files_list;pos;++pos)
+ {
+ GP<File> file=files_list[pos];
+ if (file->id!=id && file->title==title)
+ G_THROW( ERR_MSG("DjVmDir.title_in_use") "\t" + GUTF8String(title));
+ }
+
+ // Check if ID is valid
+ if (!id2file.contains(id, pos))
+ G_THROW( ERR_MSG("DjVmDir.no_info") "\t" + GUTF8String(id));
+ GP<File> file=id2file[pos];
+ title2file.del(file->title);
+ file->title=title;
+ title2file[title]=file;
+}
+
+GPList<DjVmDir::File>
+DjVmDir::resolve_duplicates(const bool save_as_bundled)
+{
+ GCriticalSectionLock lock((GCriticalSection *) &class_lock);
+ // Make sure all the filenames are unique.
+ GPosition pos;
+ GMap<GUTF8String,void *> save_map;
+ GMap<GUTF8String,GPList<DjVmDir::File> > conflicts;
+ for(pos=files_list;pos;++pos)
+ {
+ const GUTF8String save_name=files_list[pos]->check_save_name(save_as_bundled).downcase();
+ if(save_map.contains(save_name))
+ {
+ conflicts[save_name].append(files_list[pos]);
+ }else
+ {
+ save_map[save_name]=0;
+ }
+ }
+ for(pos=conflicts;pos;++pos)
+ {
+ const GUTF8String &save_name=conflicts.key(pos);
+ const int dot=save_name.rsearch('.',0);
+ GPList<DjVmDir::File> &cfiles=conflicts[pos];
+ int count=1;
+ for(GPosition qpos=cfiles;qpos;++qpos)
+ {
+ GUTF8String new_name=cfiles[qpos]->get_load_name();
+ if((new_name != GUTF8String(GNativeString(new_name)))
+ ||conflicts.contains(new_name))
+ {
+ do
+ {
+ new_name=(dot<0)
+ ?(save_name+"-"+GUTF8String(count++))
+ :(save_name.substr(0,dot)+"-"+GUTF8String(count++)+
+ save_name.substr(dot,(unsigned int)(-1)));
+ } while(save_map.contains(new_name.downcase()));
+ }
+ cfiles[qpos]->set_save_name(new_name);
+ save_map[new_name]=0;
+ }
+ }
+ return files_list;
+}
+
+
+#ifdef HAVE_NAMESPACES
+}
+# ifndef NOT_USING_DJVU_NAMESPACE
+using namespace DJVU;
+# endif
+#endif