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https://github.com/OpenMW/openmw.git
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288 lines
8.5 KiB
C++
288 lines
8.5 KiB
C++
#include <iostream>
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#include <vector>
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#include <exception>
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#include <boost/program_options.hpp>
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#include <boost/filesystem.hpp>
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#include <boost/filesystem/fstream.hpp>
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#include <components/bsa/bsa_file.hpp>
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#define BSATOOL_VERSION 1.1
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// Create local aliases for brevity
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namespace bpo = boost::program_options;
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namespace bfs = boost::filesystem;
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struct Arguments
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{
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std::string mode;
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std::string filename;
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std::string extractfile;
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std::string outdir;
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bool longformat;
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bool fullpath;
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};
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void replaceAll(std::string& str, const std::string& needle, const std::string& substitute)
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{
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int pos = str.find(needle);
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while(pos != -1)
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{
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str.replace(pos, needle.size(), substitute);
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pos = str.find(needle);
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}
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}
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bool parseOptions (int argc, char** argv, Arguments &info)
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{
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bpo::options_description desc("Inspect and extract files from Bethesda BSA archives\n\n"
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"Usages:\n"
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" bsatool list [-l] archivefile\n"
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" List the files presents in the input archive.\n\n"
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" bsatool extract [-f] archivefile [file_to_extract] [output_directory]\n"
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" Extract a file from the input archive.\n\n"
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" bsatool extractall archivefile [output_directory]\n"
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" Extract all files from the input archive.\n\n"
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"Allowed options");
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desc.add_options()
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("help,h", "print help message.")
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("version,v", "print version information and quit.")
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("long,l", "Include extra information in archive listing.")
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("full-path,f", "Create diretory hierarchy on file extraction "
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"(always true for extractall).")
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;
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// input-file is hidden and used as a positional argument
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bpo::options_description hidden("Hidden Options");
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hidden.add_options()
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( "mode,m", bpo::value<std::string>(), "bsatool mode")
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( "input-file,i", bpo::value< std::vector<std::string> >(), "input file")
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;
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bpo::positional_options_description p;
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p.add("mode", 1).add("input-file", 3);
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// there might be a better way to do this
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bpo::options_description all;
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all.add(desc).add(hidden);
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bpo::variables_map variables;
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try
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{
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bpo::parsed_options valid_opts = bpo::command_line_parser(argc, argv)
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.options(all).positional(p).run();
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bpo::store(valid_opts, variables);
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}
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catch(std::exception &e)
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{
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std::cout << "ERROR parsing arguments: " << e.what() << "\n\n"
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<< desc << std::endl;
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return false;
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}
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bpo::notify(variables);
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if (variables.count ("help"))
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{
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std::cout << desc << std::endl;
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return false;
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}
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if (variables.count ("version"))
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{
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std::cout << "BSATool version " << BSATOOL_VERSION << std::endl;
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return false;
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}
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if (!variables.count("mode"))
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{
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std::cout << "ERROR: no mode specified!\n\n"
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<< desc << std::endl;
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return false;
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}
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info.mode = variables["mode"].as<std::string>();
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if (!(info.mode == "list" || info.mode == "extract" || info.mode == "extractall"))
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{
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std::cout << std::endl << "ERROR: invalid mode \"" << info.mode << "\"\n\n"
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<< desc << std::endl;
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return false;
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}
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if (!variables.count("input-file"))
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{
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std::cout << "\nERROR: missing BSA archive\n\n"
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<< desc << std::endl;
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return false;
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}
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info.filename = variables["input-file"].as< std::vector<std::string> >()[0];
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// Default output to the working directory
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info.outdir = ".";
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if (info.mode == "extract")
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{
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if (variables["input-file"].as< std::vector<std::string> >().size() < 2)
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{
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std::cout << "\nERROR: file to extract unspecified\n\n"
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<< desc << std::endl;
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return false;
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}
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if (variables["input-file"].as< std::vector<std::string> >().size() > 1)
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info.extractfile = variables["input-file"].as< std::vector<std::string> >()[1];
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if (variables["input-file"].as< std::vector<std::string> >().size() > 2)
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info.outdir = variables["input-file"].as< std::vector<std::string> >()[2];
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}
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else if (variables["input-file"].as< std::vector<std::string> >().size() > 1)
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info.outdir = variables["input-file"].as< std::vector<std::string> >()[1];
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info.longformat = variables.count("long");
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info.fullpath = variables.count("full-path");
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return true;
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}
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int list(Bsa::BSAFile& bsa, Arguments& info);
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int extract(Bsa::BSAFile& bsa, Arguments& info);
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int extractAll(Bsa::BSAFile& bsa, Arguments& info);
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int main(int argc, char** argv)
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{
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Arguments info;
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if(!parseOptions (argc, argv, info))
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return 1;
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// Open file
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Bsa::BSAFile bsa;
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try
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{
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bsa.open(info.filename);
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}
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catch(std::exception &e)
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{
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std::cout << "ERROR reading BSA archive '" << info.filename
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<< "'\nDetails:\n" << e.what() << std::endl;
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return 2;
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}
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if (info.mode == "list")
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return list(bsa, info);
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else if (info.mode == "extract")
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return extract(bsa, info);
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else if (info.mode == "extractall")
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return extractAll(bsa, info);
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else
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{
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std::cout << "Unsupported mode. That is not supposed to happen." << std::endl;
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return 1;
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}
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}
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int list(Bsa::BSAFile& bsa, Arguments& info)
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{
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// List all files
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const Bsa::BSAFile::FileList &files = bsa.getList();
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for(int i=0; i<files.size(); i++)
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{
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if(info.longformat)
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{
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// Long format
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std::cout << std::setw(50) << std::left << files[i].name;
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std::cout << std::setw(8) << std::left << std::dec << files[i].fileSize;
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std::cout << "@ 0x" << std::hex << files[i].offset << std::endl;
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}
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else
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std::cout << files[i].name << std::endl;
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}
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return 0;
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}
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int extract(Bsa::BSAFile& bsa, Arguments& info)
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{
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std::string archivePath = info.extractfile;
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replaceAll(archivePath, "/", "\\");
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std::string extractPath = info.extractfile;
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replaceAll(extractPath, "\\", "/");
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if (!bsa.exists(archivePath.c_str()))
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{
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std::cout << "ERROR: file '" << archivePath << "' not found\n";
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std::cout << "In archive: " << info.filename << std::endl;
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return 3;
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}
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// Get the target path (the path the file will be extracted to)
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bfs::path relPath (extractPath);
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bfs::path outdir (info.outdir);
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bfs::path target;
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if (info.fullpath)
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target = outdir / relPath;
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else
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target = outdir / relPath.filename();
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// Create the directory hierarchy
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bfs::create_directories(target.parent_path());
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bfs::file_status s = bfs::status(target.parent_path());
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if (!bfs::is_directory(s))
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{
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std::cout << "ERROR: " << target.parent_path() << " is not a directory." << std::endl;
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return 3;
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}
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// Get a stream for the file to extract
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Ogre::DataStreamPtr data = bsa.getFile(archivePath.c_str());
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bfs::ofstream out(target, std::ios::binary);
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// Write the file to disk
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std::cout << "Extracting " << info.extractfile << " to " << target << std::endl;
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out.write(data->getAsString().c_str(), data->size());
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out.close();
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return 0;
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}
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int extractAll(Bsa::BSAFile& bsa, Arguments& info)
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{
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// Get the list of files present in the archive
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Bsa::BSAFile::FileList list = bsa.getList();
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// Iter on the list
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for(Bsa::BSAFile::FileList::iterator it = list.begin(); it != list.end(); ++it) {
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const char* archivePath = it->name;
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std::string extractPath (archivePath);
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replaceAll(extractPath, "\\", "/");
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// Get the target path (the path the file will be extracted to)
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bfs::path target (info.outdir);
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target /= extractPath;
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// Create the directory hierarchy
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bfs::create_directories(target.parent_path());
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bfs::file_status s = bfs::status(target.parent_path());
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if (!bfs::is_directory(s))
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{
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std::cout << "ERROR: " << target.parent_path() << " is not a directory." << std::endl;
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return 3;
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}
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// Get a stream for the file to extract
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// (inefficient because getFile iter on the list again)
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Ogre::DataStreamPtr data = bsa.getFile(archivePath);
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bfs::ofstream out(target, std::ios::binary);
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// Write the file to disk
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std::cout << "Extracting " << target << std::endl;
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out.write(data->getAsString().c_str(), data->size());
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out.close();
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}
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return 0;
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}
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