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Annotation of solidite/utils/ln.cpp, revision 1.1.1.1

1.1       user        1: /* Copyright (c) 2026 The Solidite Developers
                      2:  *
                      3:  * This program is free software: you can redistribute it and/or modify it under
                      4:  * the terms of the GNU Affero General Public License as published by the Free
                      5:  * Software Foundation, either version 3 of the License, or (at your option)
                      6:  * any later version.
                      7:  *
                      8:  * This program is distributed in the hope that it will be useful, but WITHOUT
                      9:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
                     10:  * FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
                     11:  * details.
                     12:  *
                     13:  * You should have received a copy of the GNU Affero General Public License
                     14:  * along with this program. If not, see <https://www.gnu.org/licenses/>. */
                     15: 
                     16: #include <bitset>
                     17: #include <filesystem>
                     18: #include <locale>
                     19: #include <memory>
                     20: #include <string>
                     21: #include <system_error>
                     22: #include <vector>
                     23: 
                     24: #include <cstddef>
                     25: #include <cstring>
                     26: 
                     27: #include "include/io.hpp"
                     28: 
                     29: int first_synopsis(const std::unique_ptr<std::vector<std::string>> &TARGETS,
                     30:     const std::bitset<6> &OPTIONS) {
                     31:   std::error_code ec;
                     32: 
                     33:   if (OPTIONS.test(2) == 1)
                     34:     std::filesystem::create_symlink(TARGETS -> at(0), TARGETS -> at(1));
                     35:   else {
                     36:     std::filesystem::create_hard_link(TARGETS -> at(0), TARGETS -> at(1));
                     37:   }
                     38: 
                     39:   if (ec.value() != 0)
                     40:     return 1;
                     41:   return 0;
                     42: }
                     43: 
                     44: int second_synopsis(const std::unique_ptr<std::vector<std::string>> &TARGETS,
                     45:     const std::bitset<6> &OPTIONS) {
                     46: }
                     47: 
                     48: int main(int argc, char *argv[]) {
                     49: 
                     50:   std::locale::global(std::locale(""));
                     51:   std::bitset<6> options = 0b0;
                     52:   /* [0]: -- encountered?
                     53:    * [1]: -f
                     54:    * [2]: -s
                     55:    * [3]: -L
                     56:    * [4]: -P
                     57:    * [5]: prog return code*/
                     58: 
                     59:   std::unique_ptr<std::vector<std::string>> targets =
                     60:     std::make_unique<std::vector<std::string>>();
                     61:   // 2 elements implies source file, target file
                     62:   // 3+ elements implies source file..., target dir
                     63: 
                     64:   for (int i = 1; i < argc; ++i) {
                     65:     if (std::strlen(argv[i]) == 0 || argv[i][0] != '-' ||
                     66:         options.test(0) == true) {
                     67:       targets -> push_back(argv[i]);
                     68:     } else if (std::strcmp("--", argv[i]) == 0) {
                     69:       options.set(0);
                     70:     } else {
                     71:       for (std::size_t j = 1; j < std::strlen(argv[i]); ++j) {
                     72:         switch (argv[i][j]) {
                     73:           case 'f':
                     74:             options.set(1);
                     75:             break;
                     76:           case 's':
                     77:             options.set(2);
                     78:             break;
                     79:           case 'L':
                     80:             options.reset(4);
                     81:             options.set(3);
                     82:             break;
                     83:           case 'P':
                     84:             options.reset(4);
                     85:             options.set(4);
                     86:             break;
                     87:           default:
                     88:             print_error("invalid option");
                     89:             break;
                     90:         }
                     91:       }
                     92:     }
                     93:   }
                     94: 
                     95:   if (targets -> size() == 2 && !std::filesystem::is_directory(targets ->
                     96:         at(1))) {
                     97:     if (first_synopsis(targets, options) == 1)
                     98:       options.set(5);
                     99:   } else if (targets -> size() > 2) {
                    100:     if (second_synopsis(targets, options) == 1)
                    101:       options.set(5);
                    102:   } else {
                    103:     print_error("not enough operands\n");
                    104:     options.set(5);
                    105:   }
                    106: 
                    107:   return options.test(5);
                    108: }