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