mirror of
https://github.com/ton-blockchain/ton
synced 2025-03-09 15:40:10 +00:00
89 lines
2.6 KiB
C++
89 lines
2.6 KiB
C++
/*
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This file is part of TON Blockchain Library.
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TON Blockchain Library is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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TON Blockchain Library 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 Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with TON Blockchain Library. If not, see <http://www.gnu.org/licenses/>.
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Copyright 2017-2020 Telegram Systems LLP
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*/
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#include "SourceLookup.h"
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#include "td/utils/PathView.h"
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#include "td/utils/PathView.h"
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#include "td/utils/port/path.h"
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#include "td/utils/filesystem.h"
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#include <fstream>
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namespace fift {
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td::Result<FileLoader::File> OsFileLoader::read_file(td::CSlice filename) {
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File res;
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TRY_RESULT(data, td::read_file_str(filename));
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res.data = std::move(data);
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TRY_RESULT(path, td::realpath(filename));
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res.path = std::move(path);
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return std::move(res);
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}
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td::Status OsFileLoader::write_file(td::CSlice filename, td::Slice data) {
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return td::write_file(filename, data);
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}
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td::Result<FileLoader::File> OsFileLoader::read_file_part(td::CSlice filename, td::int64 size, td::int64 offset) {
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File res;
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TRY_RESULT(data, td::read_file_str(filename, size, offset));
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res.data = std::move(data);
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TRY_RESULT(path, td::realpath(filename));
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res.path = std::move(path);
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return std::move(res);
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}
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bool OsFileLoader::is_file_exists(td::CSlice filename) {
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return td::stat(filename).is_ok();
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}
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void SourceLookup::add_include_path(td::string path) {
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if (path.empty()) {
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return;
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}
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if (!td::PathView(path).is_dir()) {
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path += TD_DIR_SLASH;
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}
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source_include_path_.push_back(std::move(path));
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}
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td::Result<FileLoader::File> SourceLookup::lookup_source(std::string filename, std::string current_dir) {
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CHECK(file_loader_);
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if (!current_dir.empty() && !td::PathView(current_dir).is_dir()) {
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current_dir += TD_DIR_SLASH;
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}
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if (td::PathView(filename).is_absolute()) {
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return read_file(filename);
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}
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if (!current_dir.empty()) {
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auto res = read_file(current_dir + filename);
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if (res.is_ok()) {
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return res;
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}
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}
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for (auto& dir : source_include_path_) {
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auto res = read_file(dir + filename);
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if (res.is_ok()) {
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return res;
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}
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}
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return td::Status::Error(PSLICE() << "failed to lookup file: " << filename);
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}
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} // namespace fift
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