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/*
Copyright 2015-2022 Ian Jauslin
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
#include "meantools_expand.h"
#include <stdio.h>
#include <stdlib.h>
#include "cli_parser.h"
#include "parse_file.h"
#include "polynomial.h"
#include "array.h"
#include "fields.h"
#define CP_FLAG_NAMESPACE 1
// read command line arguments
int tool_expand_read_args(int argc, const char* argv[], Str_Array* str_args, Meantools_Options* opts){
// file to read the polynomial from in flow mode
const char* file="";
// whether a file was specified on the command-line
int exists_file=0;
// flag
int flag=0;
int i;
char* ptr;
// defaults
// no namespace
(*opts).namespace.length=-1;
// loop over arguments
for(i=2;i<argc;i++){
// flag
if(argv[i][0]=='-'){
for(ptr=((char*)argv[i])+1;*ptr!='\0';ptr++){
switch(*ptr){
// number of derivatives
case 'N':
flag=CP_FLAG_NAMESPACE;
break;
}
}
}
// namespace
else if(flag==CP_FLAG_NAMESPACE){
str_to_char_array((char*)argv[i], &(opts->namespace));
flag=0;
}
// read file name from command-line
else{
file=argv[i];
exists_file=1;
}
}
read_config_file(str_args, file, 1-exists_file);
return(0);
}
// expand a polynomial
int tool_expand(Str_Array str_args, Meantools_Options opts){
// index of the entry in the input file
int arg_index;
// input polynomial
Polynomial polynomial;
// fields table
Fields_Table fields;
// preprocessor variables
Variables variables;
// parse fields
if(opts.namespace.length>=0){
arg_index=find_str_arg_ns("fields", opts.namespace, str_args);
}
else{
arg_index=find_str_arg("fields", str_args);
}
if(arg_index<0){
fprintf(stderr,"error: no fields entry in the configuration file\n");
exit(-1);
}
else{
parse_input_fields(str_args.strs[arg_index],&fields);
}
// parse variables
// must precede id_table, virtual_fields, identities and input_polynomial
if(opts.namespace.length>=0){
arg_index=find_str_arg_ns("preprocessor_variables", opts.namespace, str_args);
}
else{
arg_index=find_str_arg("preprocessor_variables", str_args);
}
if(arg_index>=0){
parse_input_variables(str_args.strs[arg_index],&variables);
}
else{
init_Variables(&variables,1);
}
// parse virtual_fields
if(opts.namespace.length>=0){
arg_index=find_str_arg_ns("virtual_fields", opts.namespace, str_args);
}
else{
arg_index=find_str_arg("virtual_fields", str_args);
}
if(arg_index>=0){
parse_input_virtual_fields(str_args.strs[arg_index], &fields, variables);
}
// parse identities
if(opts.namespace.length>=0){
arg_index=find_str_arg_ns("identities", opts.namespace, str_args);
}
else{
arg_index=find_str_arg("identities", str_args);
}
if(arg_index>=0){
parse_input_identities(str_args.strs[arg_index],&fields, variables);
}
// parse input polynomial
if(opts.namespace.length>=0){
arg_index=find_str_arg_ns("input_polynomial", opts.namespace, str_args);
}
else{
arg_index=find_str_arg("input_polynomial", str_args);
}
if(arg_index>=0){
parse_input_polynomial(str_args.strs[arg_index], &polynomial, fields, variables);
}
else{
fprintf(stderr,"error: no input polynomial entry in the configuration file\n");
exit(-1);
}
// print polynomial
polynomial_print(polynomial);
// free memory
free_Variables(variables);
free_Fields_Table(fields);
free_Polynomial(polynomial);
if(opts.namespace.length>=0){
free_Char_Array(opts.namespace);
}
return(0);
}
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