| 0,0 → 1,70 |
|---|
| /* This file is part of the SvarCOM project and is published under the terms |
| * of the MIT license. |
| * |
| * Copyright (C) 2021 Mateusz Viste |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| * DEALINGS IN THE SOFTWARE. |
| */ |
| |
| /* |
| * goto label |
| * |
| * if label does not exist in the currently processed batch file, then a error |
| * "Label not found" is displayed and the batch file is aborted. Any parent |
| * batches are ALSO aborted. Same behavior if called without any parameter. |
| * |
| * if called outside of a batch file, this command has no effect (and does not |
| * display any error, even when called without any argument). |
| * |
| * it reacts to /? by outputing its help screen |
| * |
| * only 1st argument is processed, any extra arguments are ignored (even /?). |
| * |
| * Labels can be written as: |
| * :LABEL |
| * :LABEL |
| * : LABEL |
| * |
| * Labels are searched in the batch file from top to bottom and first match |
| * is jumped to. |
| */ |
| |
| static enum cmd_result cmd_goto(struct cmd_funcparam *p) { |
| |
| /* help? reacts only to /? being passed as FIRST argument */ |
| if ((p->argc > 0) && imatch(p->argv[0], "/?")) { |
| outputnl("Directs batch processing to a labelled line in the batch program."); |
| outputnl(""); |
| outputnl("GOTO LABEL"); |
| outputnl(""); |
| outputnl("LABEL specifies a text string used in the batch program as a label."); |
| outputnl(""); |
| outputnl("A label is on a line by itself and must be preceded by a colon."); |
| return(CMD_OK); |
| } |
| |
| /* not inside a batch file? then do nothing */ |
| if (p->rmod->bat == NULL) return(CMD_OK); |
| |
| /* TODO open batch file and read it line by line until label is found or EOF */ |
| |
| /* TODO if label not found, display error message and abort all batch scripts */ |
| |
| return(CMD_OK); |
| } |