74 lines
2.6 KiB
C++
74 lines
2.6 KiB
C++
/****************************************************************************
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* Copyright (C) 2016-2021 Maschell
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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****************************************************************************/
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#include "FSTUtils.h"
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#include "logger.h"
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#include <filesystem>
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std::optional<std::shared_ptr<NodeEntry>> FSTUtils::getFSTEntryByFullPath(const std::shared_ptr<DirectoryEntry> &root, std::string &givenFullPath) {
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std::string fullPath = givenFullPath;
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if (strncmp(fullPath.c_str(), "/", 1) != 0) {
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fullPath = "/" + fullPath;
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}
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auto pathOpt = std::optional(root);
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std::filesystem::path asPath = fullPath;
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std::string dirPath = asPath.parent_path().string();
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if (dirPath != "/") {
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pathOpt = getFileEntryDir(root, dirPath);
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}
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if (!pathOpt.has_value()) {
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return {};
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}
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for (auto &child : pathOpt.value()->getChildren()) {
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if (child->getFullPath() == fullPath) {
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return child;
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}
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}
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return {};
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}
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std::optional<std::shared_ptr<DirectoryEntry>> FSTUtils::getFileEntryDir(const std::shared_ptr<DirectoryEntry> &curEntry, std::string &string) {
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// We add the "/" at the end so we don't get false results when using the "startWith" function.
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if (!string.ends_with("/")) {
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string += "/";
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}
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for (auto &curChild : curEntry->getDirChildren()) {
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std::string compareTo = curChild->getFullPath();
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if (!compareTo.ends_with("/")) {
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compareTo += "/";
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}
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if (string.starts_with(compareTo)) {
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if (string == compareTo) {
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return curChild;
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}
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return getFileEntryDir(curChild, string);
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}
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}
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return {};
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}
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std::optional<std::shared_ptr<SectionEntry>> FSTUtils::getSectionEntryForIndex(const std::shared_ptr<FST> &pFst, uint16_t index) {
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for (const auto &entry : pFst->sectionEntries->getSections()) {
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if (entry->sectionNumber == index) {
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return entry;
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}
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}
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return {};
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}
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