/usr/include/fflas-ffpack/utils/args-parser.h is in fflas-ffpack-common 2.2.2-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// vim:sts=8:sw=8:ts=8:noet:sr:cino=>s,f0,{0,g0,(0,\:0,t0,+0,=s
/* utils/args-parser.C
* Copyright (C) 2001, 2002 Bradford Hovinen
*
* Written by Bradford Hovinen <hovinen@cis.udel.edu>
* Modified by Dmitriy Morozov <linbox@foxcub.org>. May 27, 2002.
* Modified 2011 Brice Boyer (more types,...)
*
* Added parametrization to the VectorCategory tags to make them fit the
* Rootbeer meeting design of VectorCategories being parametrized by
* VectorTraits.
*
* ------------------------------------
* ========LICENCE========
* This file is part of the library FFLAS-FFPACK.
*
* FFLAS-FFPACK is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
* ========LICENCE========
*/
#ifndef __FFLASFFPACK_args_parser_H
#define __FFLASFFPACK_args_parser_H
#include <fflas-ffpack/fflas-ffpack-config.h>
#include <givaro/givinteger.h>
#include <iostream>
#include <fstream>
#include <vector>
#include <string>
#include <cstring>
#include <list>
#include <stdlib.h>
#include "fflas-ffpack/utils/print-utils.h"
enum ArgumentType {
TYPE_NONE, TYPE_INT, TYPE_LONGLONG, TYPE_INTEGER, TYPE_DOUBLE, TYPE_INTLIST, TYPE_STR
};
#define TYPE_BOOL TYPE_NONE
#define END_OF_ARGUMENTS \
{ '\0', "\0", "\0", TYPE_NONE, NULL }
#ifdef _GIVARO_CONFIG_H
#define type_integer Givaro::Integer
#else
#define type_integer long int
#endif
struct Argument
{
char c;
const char *example ;
const char *helpString ;
ArgumentType type ;
void *data ;
};
// example may be passed as null and will be generated intelligently
// eg "-b {YN+-}" for bools, "-v v" for all else
namespace FFLAS {
void parseArguments (int argc, char **argv, Argument *args, bool printDefaults = true);
}
void printHelpMessage (const char *program, Argument *args, bool printDefaults = false)
{
int i, l;
// Skip past libtool prefix in program name
if (!strncmp (program, "lt-", strlen ("lt-")))
program += strlen ("lt-");
std::cout << "Usage: " << program << " [options] [<report file>]" << std::endl;
std::cout << std::endl;
std::cout << "Where [options] are the following:" << std::endl;
bool messageboolean(false),messageprimality(false);
for (i = 0; args[i].c != '\0'; ++i) {
if (args[i].example != 0) {
std::cout << " " << args[i].example;
l = 10 - (int)strlen (args[i].example);
do std::cout << ' '; while (--l > 0);
}
else if (args[i].type == TYPE_NONE) {
std::cout << " -" << args[i].c << " {YN+-} ";
messageboolean = true;
}
else
std::cout << " -" << args[i].c << ' ' << args[i].c << " ";
std::cout << args[i].helpString;
if (strncmp(args[i].helpString,"Operate over the \"field\"",24) == 0)
messageprimality = true;
if (printDefaults) {
l = 54 - (int)strlen (args[i].helpString);
do std::cout << ' '; while (--l > 0);
std::cout << " (default ";
switch (args[i].type) {
case TYPE_NONE:
std::cout << ((*(bool *)args[i].data)?"ON":"OFF");
break;
case TYPE_INT:
std::cout << *(int *) args[i].data;
break;
case TYPE_LONGLONG:
std::cout << *(long long *) args[i].data;
break;
case TYPE_INTEGER:
std::cout << *(type_integer *) args[i].data;
break;
case TYPE_DOUBLE:
std::cout << *(double *) args[i].data;
break;
case TYPE_INTLIST:
std::cout << *(std::list<int> *) args[i].data ;
break;
case TYPE_STR:
std::cout << "\"" << *(std::string *) args[i].data << "\"" ;
break;
}
std::cout << ")";
}
std::cout << std::endl;
}
std::cout << " -h or -? Display this message" << std::endl;
if (messageboolean)
std::cout << "For boolean switches, the argument may be omitted, meaning the switch should be ON" << std::endl;
std::cout << std::endl;
std::cout << "If <report file> is '-' the report is written to std output. If <report file> is" << std::endl;
std::cout << "not given, then no detailed reporting is done. This is suitable if you wish only" << std::endl;
std::cout << "to determine whether the tests succeeded." << std::endl;
std::cout << std::endl;
if (messageprimality)
std::cout << "[1] N.B. This program does not verify the primality of Q, and does not use a" << std::endl
<< " field extension in the event that Q=p^n, n > 1" << std::endl;
std::cout << std::endl;
}
/* Find an argument in the argument list for a character */
Argument *findArgument (Argument *args, char c)
{
int i;
for (i = 0; args[i].c != '\0' && args[i].c != c; ++i) ;
if (args[i].c != '\0')
return &(args[i]);
else
return (Argument *) 0;
}
/* Parse command line arguments */
/*! @internal
* @brief transforms a string list of ints to a list of int
* string "12,13,15" is turned into list of ints {12,13,15}
* @param outlist list once converted
* @param instring list to be converted
* @return status message.
*/
int getListArgs(std::list<int> & outlist, std::string & instring)
{
int start = 0 ;
int count = 0 ;
size_t i = 0 ;
for( ; i < instring.size() ; ++i) {
if (isdigit(instring[i])) {
++count;
continue ;
}
if (ispunct(instring[i])) {
if (!count) {
std::cout << std::endl << "ill formed list " << instring << std::endl;
for (size_t sp = 0 ; sp < 16+i ; ++sp)
std::cout << '-' ;
std::cout << '^' << std::endl;
return(1);
}
int j = atoi(instring.substr((size_t)start,(size_t)count).c_str());
outlist.push_front(j);
count = 0 ;
start = int(i+1) ;
}
else {
std::cout << std::endl << "ill formed list " << instring << std::endl;
for (size_t sp = 0 ; sp < 16+i ; ++sp)
std::cout << '-' ;
std::cout << '^' << std::endl;
return(1);
}
}
std::cout << std::endl;
if (!count) {
std::cout << std::endl << "ill formed list " << instring << std::endl;
for (size_t sp = 0 ; sp < 15+i ; ++sp)
std::cout << '-' ;
std::cout << '^' << std::endl;
return(1);
}
int j = atoi(instring.substr((size_t)start,(size_t)count).c_str());
outlist.push_front(j);
return 0 ;
}
namespace FFLAS {
void parseArguments (int argc, char **argv, Argument *args, bool printDefaults)
{
int i;
Argument *current;
for (i = 1; i < argc; ++i) {
// std::cout << "i=" << i << std::endl;
if (argv[i][0] == '-') {
if (argv[i][1] == 0) {
std::cout << "Writing report data to cout (intermingled with brief report)" << std::endl << std::endl;
std::cout.flush ();
}
else if (argv[i][1] == 'h' || argv[i][1] == '?' || argv[i][1] == '-') {
printHelpMessage (argv[0], args, printDefaults);
exit (1);
}
else if ((current = findArgument (args, argv[i][1])) != (Argument *) 0) {
switch (current->type) {
case TYPE_NONE:
{
if (argc == i+1 || (argv[i+1][0] == '-' && argv[i+1][1] != '\0')) {
// if at last argument, or next argument is a switch, set to true
*((bool *) current->data) = true;
break;
}
*(bool *) current->data =
(argv[i+1][0] == '+'
|| argv[i+1][0] == 'Y'
|| argv[i+1][0] == 'y'
|| argv[i+1][0] == 'T'
|| argv[i+1][0] == 't') ;
++i;
}
break;
case TYPE_INT:
{
*(int *) current->data = atoi (argv[i+1]);
++i;
}
break;
case TYPE_LONGLONG:
{
*(long long *) current->data = atoi (argv[i+1]);
++i;
}
break;
case TYPE_INTEGER:
{
#ifdef _GIVARO_CONFIG_H
type_integer tmp(argv[i+1]);
#else
type_integer tmp = atol(argv[i+1]);
#endif
*(type_integer *) current->data = tmp;
}
++i;
break;
case TYPE_DOUBLE:
{
*(double *) current->data = atof (argv[i+1]);
++i;
}
break;
case TYPE_INTLIST:
{
std::string lst = argv[i+1] ;
std::list<int> LST ;
getListArgs(LST,lst);
*(std::list<int> *) current->data = LST ;
++i;
}
break;
case TYPE_STR:
{
*(std::string *) current->data = argv[i+1] ;
++i;
}
break;
}
} else {
std::cerr << "ERROR: Bad argument " << argv[i] << std::endl;
break;
}
} else {
std::cout << "Writing report data to " << argv[i] << std::endl << std::endl;
std::cout.flush ();
}
}
}
/** writes the values of all arguments, preceded by the programName */
std::ostream& writeCommandString (std::ostream& os, Argument *args, char* programName = nullptr)
{
if (programName != nullptr)
os << programName;
for (int i = 0; args[i].c != '\0'; ++i) {
os << " -" << args[i].c;
switch (args[i].type) {
case TYPE_NONE:
if ((*(bool *)args[i].data)) os << " Y";
else os << " N";
break;
case TYPE_INT:
os << ' ' << *(int *) args[i].data;
break;
case TYPE_LONGLONG:
os << ' ' << *(long long *) args[i].data;
break;
case TYPE_INTEGER:
os << ' ' << *(Givaro::Integer *) args[i].data;
break;
case TYPE_DOUBLE:
os << ' ' << *(double *) args[i].data;
break;
case TYPE_INTLIST:
os << ' ' << *(std::list<int> *) args[i].data;
break;
case TYPE_STR:
os << " \"" << *(std::string *) args[i].data << "\"";
break;
}
}
return os;
}
}
#undef type_integer
#endif // __FFLASFFPACK_args_parser_H
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