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); |
} |