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104 lines
2.6 KiB
C++
104 lines
2.6 KiB
C++
#include "resources.hpp"
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#include <algorithm>
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#include <sstream>
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#include <stddef.h>
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#include <stdexcept>
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#include <string_view>
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#include <utility>
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#include <apps/opencs/model/world/universalid.hpp>
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#include <components/misc/strings/lower.hpp>
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#include <components/vfs/manager.hpp>
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CSMWorld::Resources::Resources(
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const VFS::Manager* vfs, const std::string& baseDirectory, UniversalId::Type type, const char* const* extensions)
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: mBaseDirectory(baseDirectory)
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, mType(type)
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{
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recreate(vfs, extensions);
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}
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void CSMWorld::Resources::recreate(const VFS::Manager* vfs, const char* const* extensions)
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{
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mFiles.clear();
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mIndex.clear();
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size_t baseSize = mBaseDirectory.size();
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for (const auto& filepath : vfs->getRecursiveDirectoryIterator(""))
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{
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if (filepath.size() < baseSize + 1 || filepath.substr(0, baseSize) != mBaseDirectory
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|| (filepath[baseSize] != '/' && filepath[baseSize] != '\\'))
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continue;
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if (extensions)
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{
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std::string::size_type extensionIndex = filepath.find_last_of('.');
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if (extensionIndex == std::string::npos)
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continue;
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std::string extension = filepath.substr(extensionIndex + 1);
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int i = 0;
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for (; extensions[i]; ++i)
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if (extensions[i] == extension)
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break;
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if (!extensions[i])
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continue;
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}
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std::string file = filepath.substr(baseSize + 1);
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mFiles.push_back(file);
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std::replace(file.begin(), file.end(), '\\', '/');
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mIndex.insert(std::make_pair(Misc::StringUtils::lowerCase(file), static_cast<int>(mFiles.size()) - 1));
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}
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}
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int CSMWorld::Resources::getSize() const
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{
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return static_cast<int>(mFiles.size());
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}
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std::string CSMWorld::Resources::getId(int index) const
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{
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return mFiles.at(index);
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}
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int CSMWorld::Resources::getIndex(const std::string& id) const
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{
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int index = searchId(id);
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if (index == -1)
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{
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std::ostringstream stream;
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stream << "Invalid resource: " << mBaseDirectory << '/' << id;
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throw std::runtime_error(stream.str());
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}
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return index;
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}
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int CSMWorld::Resources::searchId(std::string_view id) const
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{
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std::string id2 = Misc::StringUtils::lowerCase(id);
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std::replace(id2.begin(), id2.end(), '\\', '/');
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std::map<std::string, int>::const_iterator iter = mIndex.find(id2);
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if (iter == mIndex.end())
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return -1;
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return iter->second;
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}
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CSMWorld::UniversalId::Type CSMWorld::Resources::getType() const
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{
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return mType;
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}
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