56 lines
1.9 KiB
C++
56 lines
1.9 KiB
C++
// Copyright 2008 Dolphin Emulator Project
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// Licensed under GPLv2+
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// Refer to the license.txt file included.
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#include <algorithm>
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#include <functional>
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#include "Common/CommonPaths.h"
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#include "Common/FileSearch.h"
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#include "Common/FileUtil.h"
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static std::vector<std::string> FileSearchWithTest(const std::vector<std::string>& directories, bool recursive, std::function<bool(const File::FSTEntry &)> callback)
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{
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std::vector<std::string> result;
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for (const std::string& directory : directories)
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{
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File::FSTEntry top = File::ScanDirectoryTree(directory, recursive);
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std::function<void(File::FSTEntry&)> DoEntry;
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DoEntry = [&](File::FSTEntry& entry) {
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if (callback(entry))
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result.push_back(entry.physicalName);
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for (auto& child : entry.children)
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DoEntry(child);
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};
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for (auto& child : top.children)
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DoEntry(child);
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}
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// remove duplicates
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std::sort(result.begin(), result.end());
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result.erase(std::unique(result.begin(), result.end()), result.end());
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return result;
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}
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std::vector<std::string> DoFileSearch(const std::vector<std::string>& exts, const std::vector<std::string>& directories, bool recursive)
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{
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bool accept_all = std::find(exts.begin(), exts.end(), "") != exts.end();
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return FileSearchWithTest(directories, recursive, [&](const File::FSTEntry& entry) {
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if (accept_all)
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return true;
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std::string name = entry.virtualName;
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std::transform(name.begin(), name.end(), name.begin(), ::tolower);
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return std::any_of(exts.begin(), exts.end(), [&](const std::string& ext) {
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return name.length() >= ext.length() && name.compare(name.length() - ext.length(), ext.length(), ext) == 0;
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});
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});
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}
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// Result includes the passed directories themselves as well as their subdirectories.
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std::vector<std::string> FindSubdirectories(const std::vector<std::string>& directories, bool recursive)
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{
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return FileSearchWithTest(directories, true, [&](const File::FSTEntry& entry) {
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return entry.isDirectory;
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});
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}
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