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124 lines
3.7 KiB
C++
124 lines
3.7 KiB
C++
// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
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// Copyright (C) 2010 Winch Gate Property Limited
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#ifndef XML_PACK_H
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#define XML_PACK_H
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#include "types_nl.h"
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#include "string_mapper.h"
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#include "sstring.h"
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namespace NLMISC
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{
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/** The xml pack is a data format to store a great number of XML file
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* in a simple pseudo XML format.
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* The primary goal was to support the greate number of XML file
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* that we handle for Ryzom in a convenient and efficient way (mainly
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* in the CVS point of view).
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*
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* In a xml pack file, all xml files are concatenated inside
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* XML elements.
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* In the header of each subfile, there is only the file name.
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* So, it is possible to easily edit the file by hand, compare it
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* and add or remove file.
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*
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* NB : we use xml pack file as an intermediate format between the
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* level design team and the runtime data (that are ganarated by
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* the loadForm function of george) that are a binary extraction of
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* the content of the xml files.
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*/
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class CXMLPack
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{
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NLMISC_SAFE_SINGLETON_DECL(CXMLPack);
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CXMLPack(){}
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~CXMLPack() {}
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public:
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// Add an xml pack to the manager
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bool add (const std::string &xmlPackFileName);
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// List all files in an xml_pack file
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void list (const std::string &xmlPackFileName, std::vector<std::string> &allFiles);
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// Used by CIFile to get information about the files within the xml pack
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FILE* getFile (const std::string &sFileName, uint32 &rFileSize, uint32 &rFileOffset,
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bool &rCacheFileOnOpen, bool &rAlwaysOpened);
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private:
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///@name parser functions
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///@{
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/// Consume space and tab characters (but NOT newlines)
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void skipWS(std::string::iterator &it, std::string::iterator end);
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/** Try to match the specified text at current position. Return false if no match
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* return true and advance the it iterator if match is found.
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*/
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bool matchString(std::string::iterator &it, std::string::iterator end, const char *text);
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/// Advance up to the beginning of the next line, incrementing the in/out param lineCount
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void skipLine(std::string::iterator &it, std::string::iterator end, uint32 &lineCount);
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///@}
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/// the name of the xml_pack file
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std::string XMLPackFileName;
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/// A descriptor for one file inside the pack
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struct TXMLFileInfo
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{
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/// The name of the file, mapped in the string mapper
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TStringId FileName;
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/// The start position of the data for this file
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uint32 FileOffset;
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/// The size of this file
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uint32 FileSize;
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};
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/// A descriptor for the content of an xml pack file
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struct TXMLPackInfo
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{
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typedef std::map<TStringId, TXMLFileInfo> TFileList;
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/// the content of the xml pack
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TFileList _XMLFiles;
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/// The xml pack file handler (we keep it open)
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// FILE *FileHandler;
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// TXMLPackInfo()
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// : FileHandler(NULL)
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// {
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// }
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//
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//
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// ~TXMLPackInfo()
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// {
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// if (FileHandler != NULL)
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// fclose(FileHandler);
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// }
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};
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typedef std::map<TStringId, TXMLPackInfo> TPackList;
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/// The list of xml pack file already parsed
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TPackList _XMLPacks;
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};
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} // namespace NLMISC
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#endif // XML_PACK_H
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