--- a/relpipe-in-fstab.cpp Mon Dec 03 16:11:40 2018 +0100
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,125 +0,0 @@
-/**
- * Relational pipes
- * Copyright © 2018 František Kučera (Frantovo.cz, GlobalCode.info)
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-#include <cstdlib>
-#include <fstream>
-#include <memory>
-#include <regex>
-#include <algorithm>
-#include <unistd.h>
-
-#include <relpipe/writer/RelationalWriter.h>
-#include <relpipe/writer/RelpipeWriterException.h>
-#include <relpipe/writer/Factory.h>
-#include <relpipe/writer/TypeId.h>
-
-#include <relpipe/cli/CLI.h>
-
-using namespace relpipe::cli;
-using namespace relpipe::writer;
-
-/**
- * see https://hg.frantovo.cz/sql-api/file/tip/prototyp/prototyp.sql#l49
- */
-void processDataStream(ostream &output, istream* input) {
- wregex devicePattern = wregex(L"(LABEL|UUID)=(.*)");
- wregex linePattern = wregex(L"^([^\\s#]+)\\s+([^\\s]+)\\s+([^\\s]+)\\s+([^\\s]+)\\s+(\\d+)\\s+(\\d+)\\s*$");
- wstring_convert < codecvt_utf8<wchar_t>> convertor; // TODO: support also other encodings.
-
- std::shared_ptr<RelationalWriter> writer(Factory::create(output));
-
- writer->startRelation(L"fstab",{
- {L"scheme", TypeId::STRING},
- {L"device", TypeId::STRING},
- {L"mount_point", TypeId::STRING},
- {L"type", TypeId::STRING},
- // {L"types", TypeId::STRING}, // TODO: array
- {L"options", TypeId::STRING}, // TODO: array
- {L"dump", TypeId::INTEGER},
- {L"pass", TypeId::INTEGER}
- }, true);
-
- string lineBytes;
- while (getline(*input, lineBytes)) {
-
- wstring line = convertor.from_bytes(lineBytes);
- wsmatch lineMatch;
- if (regex_search(line, lineMatch, linePattern) && lineMatch.size() > 0) {
- int g = 1;
- wstring device = lineMatch[g++];
- wstring mountPoint = lineMatch[g++];
- wstring type = lineMatch[g++];
- wstring options = lineMatch[g++];
- wstring dump = lineMatch[g++];
- wstring pass = lineMatch[g++];
-
- wsmatch deviceMatch;
- if (regex_search(device, deviceMatch, devicePattern)) {
- writer->writeAttribute(deviceMatch[1]);
- writer->writeAttribute(deviceMatch[2]);
- } else {
- writer->writeAttribute(L""); // TODO: null (requires bitmap)
- writer->writeAttribute(device);
- }
-
- if (mountPoint == L"none") mountPoint = L""; // TODO: null (requires bitmap)
- writer->writeAttribute(mountPoint);
- writer->writeAttribute(type);
- writer->writeAttribute(options);
- writer->writeAttribute(dump);
- writer->writeAttribute(pass);
- }
- }
-
-}
-
-int main(int argc, char** argv) {
- setlocale(LC_ALL, "");
- CLI::untieStdIO();
- //CLI cli(argc, argv);
-
- int resultCode = CLI::EXIT_CODE_UNEXPECTED_ERROR;
-
- try {
- if (isatty(fileno(stdin))) {
- /**
- * Our program is executed on TTY without input stream redirection → read from default file location.
- * e.g. $ relpipe-in-fstab | …
- * (we don't expect that user is writing the content of fstab by hand on the terminal)
- */
- ifstream s("/etc/fstab");
- processDataStream(cout, &s);
- } else {
- /**
- * Input stream comes from a file or is piped from other command → read it instead of default file.
- * e.g. $ cat /etc/fstab | grep '/mnt/' | relpipe-in-fstab | …
- * or $ relpipe-in-fstab < /etc/fstab | … # without UUoC
- * or $ ssh example.com cat /etc/fstab | relpipe-in-fstab | …
- * or $ cat | relpipe-in-fstab | … # user writes the fstab content by hand
- */
- processDataStream(cout, &cin);
- }
- resultCode = CLI::EXIT_CODE_SUCCESS;
-
- } catch (RelpipeWriterException e) {
- fwprintf(stderr, L"Caught Writer exception: %ls\n", e.getMessge().c_str());
- fwprintf(stderr, L"Debug: Input stream: eof=%ls, lastRead=%d\n", (cin.eof() ? L"true" : L"false"), cin.gcount());
- resultCode = CLI::EXIT_CODE_DATA_ERROR;
- }
-
- return resultCode;
-}