(svn r22097) -Fix (r22096): Add files before commit.
parent
1983b8d558
commit
a7a3a87c68
@ -0,0 +1,71 @@
|
||||
/* $Id$ */
|
||||
|
||||
/*
|
||||
* This file is part of OpenTTD.
|
||||
* OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
|
||||
* OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
||||
* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
/** @file getoptdata.cpp Library for parsing command line options. */
|
||||
|
||||
#include "../stdafx.h"
|
||||
#include "getoptdata.h"
|
||||
|
||||
/**
|
||||
* Find the next option.
|
||||
* @return Function returns one
|
||||
* - An option letter if it found another option.
|
||||
* - -1 if option processing is finished.
|
||||
* - -2 if an error was encountered.
|
||||
*/
|
||||
int GetOptData::GetOpt()
|
||||
{
|
||||
char *s = this->cont;
|
||||
if (s != NULL) {
|
||||
goto md_continue_here;
|
||||
}
|
||||
|
||||
for (;;) {
|
||||
if (--this->numleft < 0) return -1;
|
||||
|
||||
s = *this->argv++;
|
||||
if (*s == '-') {
|
||||
md_continue_here:;
|
||||
s++;
|
||||
if (*s != 0) {
|
||||
const char *r;
|
||||
/* Found argument, try to locate it in options. */
|
||||
if (*s == ':' || (r = strchr(this->options, *s)) == NULL) {
|
||||
/* ERROR! */
|
||||
return -2;
|
||||
}
|
||||
if (r[1] == ':') {
|
||||
char *t;
|
||||
/* Item wants an argument. Check if the argument follows, or if it comes as a separate arg. */
|
||||
if (!*(t = s + 1)) {
|
||||
/* It comes as a separate arg. Check if out of args? */
|
||||
if (--this->numleft < 0 || *(t = *this->argv) == '-') {
|
||||
/* Check if item is optional? */
|
||||
if (r[2] != ':') return -2;
|
||||
this->numleft++;
|
||||
t = NULL;
|
||||
} else {
|
||||
this->argv++;
|
||||
}
|
||||
}
|
||||
this->opt = t;
|
||||
this->cont = NULL;
|
||||
return *s;
|
||||
}
|
||||
this->opt = NULL;
|
||||
this->cont = s;
|
||||
return *s;
|
||||
}
|
||||
} else {
|
||||
/* This is currently not supported. */
|
||||
return -2;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
@ -0,0 +1,41 @@
|
||||
/* $Id$ */
|
||||
|
||||
/*
|
||||
* This file is part of OpenTTD.
|
||||
* OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
|
||||
* OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
||||
* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
/** @file getoptdata.h Library for parsing command-line options. */
|
||||
|
||||
#ifndef GETOPTDATA_H
|
||||
#define GETOPTDATA_H
|
||||
|
||||
/** Data storage for parsing command line options. */
|
||||
struct GetOptData {
|
||||
char *opt; ///< Option value, if available (else \c NULL).
|
||||
int numleft; ///< Number of arguments left in #argv.
|
||||
char **argv; ///< Remaining command line arguments.
|
||||
const char *options; ///< Command line option descriptions.
|
||||
char *cont; ///< Next call to #MyGetOpt should start here (in the middle of an argument).
|
||||
|
||||
/**
|
||||
* Constructor of the data store.
|
||||
* @param argc Number of command line arguments, excluding the program name.
|
||||
* @param argv Command line arguments, excluding the program name.
|
||||
* @param options Command line option descriptions.
|
||||
*/
|
||||
GetOptData(int argc, char **argv, const char *options) :
|
||||
opt(NULL),
|
||||
numleft(argc),
|
||||
argv(argv),
|
||||
options(options),
|
||||
cont(NULL)
|
||||
{
|
||||
}
|
||||
|
||||
int GetOpt();
|
||||
};
|
||||
|
||||
#endif /* GETOPTDATA_H */
|
Loading…
Reference in New Issue