Line data    Source code

       1             : /* Copyright (C) 2025 Robert Schiwon
       2             :  *
       3             :  * This file is part of libjdx.
       4             :  *
       5             :  * libjdx is free software: you can redistribute it and/or modify it under the
       6             :  * terms of the GNU Lesser General Public License as published by the Free
       7             :  * Software Foundation, either version 3 of the License, or (at your option) any
       8             :  * later version.
       9             :  *
      10             :  * libjdx is distributed in the hope that it will be useful, but WITHOUT ANY
      11             :  * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
      12             :  * A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
      13             :  * details.
      14             :  *
      15             :  * You should have received a copy of the GNU Lesser General Public License
      16             :  * along with libjdx. If not, see <https://www.gnu.org/licenses/>.
      17             :  */
      18             : #include "jdx/TabularData.hpp"
      19             : #include "util/LdrUtils.hpp"
      20             : #include "util/PeakAssignmentsParser.hpp"
      21             : #include "util/StringUtils.hpp"
      22             : 
      23          82 : libjdx::jdx::TabularData::TabularData(
      24          82 :     std::string label, std::string variableList, io::TextReader& reader)
      25          82 :     : DataLdr(std::move(label), std::move(variableList), reader)
      26             : {
      27          82 : }
      28             : 
      29           7 : std::optional<std::string> libjdx::jdx::TabularData::getWidthFunction()
      30             : {
      31             :     auto appendToDescription
      32           7 :         = [](std::string comment, std::string& description) {
      33           7 :               if (!description.empty())
      34             :               {
      35           2 :                   description += '\n';
      36             :               }
      37           7 :               util::trim(comment);
      38           7 :               description.append(comment);
      39           7 :           };
      40             : 
      41          14 :     auto getCommentLines = [this, &appendToDescription]() {
      42             :         // comment $$ in line(s) following LDR start may contain peak function
      43           7 :         auto& reader = getReader();
      44           7 :         auto readerPos = reader.tellg();
      45          14 :         std::string line{};
      46          14 :         std::string functionDescription{};
      47          35 :         while (!reader.eof() && !util::isLdrStart(line = reader.readLine())
      48          42 :                && util::isPureComment(line))
      49             :         {
      50           7 :             readerPos = reader.tellg();
      51           7 :             auto comment = util::stripLineComment(line).second;
      52           7 :             appendToDescription(comment.value(), functionDescription);
      53             :         }
      54             :         // reset reader position to start of first assignment or start of next
      55             :         // LDR
      56           7 :         reader.seekg(readerPos);
      57             :         // return
      58           7 :         return functionDescription.empty()
      59             :                    ? std::nullopt
      60          14 :                    : std::optional<std::string>{functionDescription};
      61           7 :     };
      62             : 
      63           7 :     return callAndResetStreamPos<std::optional<std::string>>(getCommentLines);
      64             : }