openmw/components/vfs/bsaarchive.cpp

#include "bsaarchive.hpp"

#include <algorithm>
#include <istream>
#include <memory>

namespace VFS
{

    BsaArchive::BsaArchive(const std::filesystem::path& filename)
    {
        mFile = std::make_unique<Bsa::BSAFile>();
        mFile->open(filename);

        const Bsa::BSAFile::FileList& filelist = mFile->getList();
        for (Bsa::BSAFile::FileList::const_iterator it = filelist.begin(); it != filelist.end(); ++it)
        {
            mResources.emplace_back(&*it, mFile.get());
        }
    }

    BsaArchive::BsaArchive() {}

    BsaArchive::~BsaArchive() {}

    void BsaArchive::listResources(std::map<std::string, File*>& out, char (*normalize_function)(char))
    {
        for (std::vector<BsaArchiveFile>::iterator it = mResources.begin(); it != mResources.end(); ++it)
        {
            std::string ent = it->mInfo->name();
            std::transform(ent.begin(), ent.end(), ent.begin(), normalize_function);

            out[ent] = &*it;
        }
    }

    bool BsaArchive::contains(const std::string& file, char (*normalize_function)(char)) const
    {
        for (const auto& it : mResources)
        {
            std::string ent = it.mInfo->name();
            std::transform(ent.begin(), ent.end(), ent.begin(), normalize_function);
            if (file == ent)
                return true;
        }
        return false;
    }

    std::string BsaArchive::getDescription() const
    {
        return std::string{ "BSA: " } + mFile->getFilename();
    }

    // ------------------------------------------------------------------------------

    BsaArchiveFile::BsaArchiveFile(const Bsa::BSAFile::FileStruct* info, Bsa::BSAFile* bsa)
        : mInfo(info)
        , mFile(bsa)
    {
    }

    Files::IStreamPtr BsaArchiveFile::open()
    {
        return mFile->getFile(mInfo);
    }

    CompressedBsaArchive::CompressedBsaArchive(const std::filesystem::path& filename)
        : Archive()
    {
        mCompressedFile = std::make_unique<Bsa::CompressedBSAFile>();
        mCompressedFile->open(filename);

        const Bsa::BSAFile::FileList& filelist = mCompressedFile->getList();
        for (Bsa::BSAFile::FileList::const_iterator it = filelist.begin(); it != filelist.end(); ++it)
        {
            mCompressedResources.emplace_back(&*it, mCompressedFile.get());
        }
    }

    void CompressedBsaArchive::listResources(std::map<std::string, File*>& out, char (*normalize_function)(char))
    {
        for (std::vector<CompressedBsaArchiveFile>::iterator it = mCompressedResources.begin();
             it != mCompressedResources.end(); ++it)
        {
            std::string ent = it->mInfo->name();
            std::transform(ent.begin(), ent.end(), ent.begin(), normalize_function);

            out[ent] = &*it;
        }
    }

    bool CompressedBsaArchive::contains(const std::string& file, char (*normalize_function)(char)) const
    {
        for (const auto& it : mCompressedResources)
        {
            std::string ent = it.mInfo->name();
            std::transform(ent.begin(), ent.end(), ent.begin(), normalize_function);
            if (file == ent)
                return true;
        }
        return false;
    }

    std::string CompressedBsaArchive::getDescription() const
    {
        return std::string{ "BSA: " } + mCompressedFile->getFilename();
    }

    CompressedBsaArchiveFile::CompressedBsaArchiveFile(
        const Bsa::BSAFile::FileStruct* info, Bsa::CompressedBSAFile* bsa)
        : mInfo(info)
        , mCompressedFile(bsa)
    {
    }

    Files::IStreamPtr CompressedBsaArchiveFile::open()
    {
        return mCompressedFile->getFile(mInfo);
    }

}