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openmw-tes3coop/components/vfs/manager.cpp

95 lines
2.2 KiB
C++

#include "manager.hpp"
#include <cctype>
#include <stdexcept>
#include <components/misc/stringops.hpp>
#include "archive.hpp"
namespace
{
char strict_normalize_char(char ch)
{
return ch == '\\' ? '/' : ch;
}
char nonstrict_normalize_char(char ch)
{
return ch == '\\' ? '/' : Misc::StringUtils::toLower(ch);
}
void normalize_path(std::string& path, bool strict)
{
char (*normalize_char)(char) = strict ? &strict_normalize_char : &nonstrict_normalize_char;
std::transform(path.begin(), path.end(), path.begin(), normalize_char);
}
}
namespace VFS
{
Manager::Manager(bool strict)
: mStrict(strict)
{
}
Manager::~Manager()
{
for (std::vector<Archive*>::iterator it = mArchives.begin(); it != mArchives.end(); ++it)
delete *it;
mArchives.clear();
}
void Manager::addArchive(Archive *archive)
{
mArchives.push_back(archive);
}
void Manager::buildIndex()
{
mIndex.clear();
for (std::vector<Archive*>::const_iterator it = mArchives.begin(); it != mArchives.end(); ++it)
(*it)->listResources(mIndex, mStrict ? &strict_normalize_char : &nonstrict_normalize_char);
}
Files::IStreamPtr Manager::get(const std::string &name) const
{
std::string normalized = name;
normalize_path(normalized, mStrict);
return getNormalized(normalized);
}
Files::IStreamPtr Manager::getNormalized(const std::string &normalizedName) const
{
std::map<std::string, File*>::const_iterator found = mIndex.find(normalizedName);
if (found == mIndex.end())
throw std::runtime_error("Resource '" + normalizedName + "' not found");
return found->second->open();
}
bool Manager::exists(const std::string &name) const
{
std::string normalized = name;
normalize_path(normalized, mStrict);
return mIndex.find(normalized) != mIndex.end();
}
const std::map<std::string, File*>& Manager::getIndex() const
{
return mIndex;
}
void Manager::normalizeFilename(std::string &name) const
{
normalize_path(name, mStrict);
}
}