70 lines
2.7 KiB
C++
70 lines
2.7 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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/* interface to command line option service routines
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*/
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#ifndef GLK_TADS_TADS2_COMMAND_LINE
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#define GLK_TADS_TADS2_COMMAND_LINE
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#include "glk/tads/tads2/error_handling.h"
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#include "glk/tads/os_frob_tads.h"
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namespace Glk {
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namespace TADS {
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namespace TADS2 {
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/*
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* Get argument to an option. Option can be rammed up against option
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* letter(s) with no space, or can be separated by a space. argp is a
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* pointer to the pointer to the current position in the argv[] array;
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* ip is a pointer to the index in the argv[] array. Both *argpp and
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* *ip are incremented if the next word must be read. argc is the total
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* number of arguments. ofs gives the number of characters (NOT
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* including the '-') in this option flag; most options will have ofs==1
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* since they are of the form '-x'. usagefn is a function to call if
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* the parsing fails; it is not expected to return, but should signal an
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* error instead.
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*/
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char *cmdarg(errcxdef *ec, char ***argpp, int *ip, int argc,
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int ofs, void (*usagefn)(errcxdef*));
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/*
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* Read a toggle argument. prv is the previous value (prior to this
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* switch) of the parameter (TRUE or FALSE). argp is a pointer to the
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* current argument word. ofs is the length of this option flag, NOT
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* including the '-'; most options have ofs==1 since they are of the
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* form '-x'. If the option is followed by '+', the value returned is
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* TRUE; if it's followed by '-', the value is FALSE; if followed by
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* nothing, the option is the logical inverse of the previous value. If
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* it's followed by any other character, we call the usage callback,
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* which is not expected to return, but should signal an error.
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*/
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int cmdtog(struct errcxdef *ec, int prv, char *argp, int ofs,
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void (*usagefn)(errcxdef*));
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} // End of namespace TADS2
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} // End of namespace TADS
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} // End of namespace Glk
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#endif
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