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// Copyright (c) 2023, Marvin Borner <dev@marvinborner.de>
// SPDX-License-Identifier: MIT
#include <stdio.h>
#include <errno.h>
#include <string.h>
#include <stdlib.h>
#include <term.h>
#include <log.h>
#include <print.h>
#include <tree.h>
#include <parse.h>
#include <build.h>
// automatically generated using gengetopt
#include "cmdline.h"
#define BUF_SIZE 1024
static char *read_stdin(void)
{
debug("reading from stdin\n");
char buffer[BUF_SIZE];
size_t size = 1;
char *string = malloc(sizeof(char) * BUF_SIZE);
if (!string)
fatal("out of memory!\n");
string[0] = '\0';
while (fgets(buffer, BUF_SIZE, stdin)) {
char *old = string;
size += strlen(buffer);
string = realloc(string, size);
if (!string) {
free(old);
return 0;
}
strcat(string, buffer);
}
if (ferror(stdin)) {
free(string);
fatal("can't read from stdin\n");
}
return string;
}
static char *read_file(const char *path)
{
debug("reading from %s\n", path);
FILE *f = fopen(path, "rb");
if (!f)
fatal("can't open file %s: %s\n", path, strerror(errno));
fseek(f, 0, SEEK_END);
long fsize = ftell(f);
fseek(f, 0, SEEK_SET);
char *string = malloc(fsize + 1);
if (!string)
fatal("out of memory!\n");
int ret = fread(string, fsize, 1, f);
fclose(f);
if (ret != 1) {
free(string);
fatal("can't read file %s: %s\n", path, strerror(errno));
}
string[fsize] = 0;
return string;
}
int main(int argc, char **argv)
{
struct gengetopt_args_info args;
if (cmdline_parser(argc, argv, &args))
exit(1);
debug_enable(args.verbose_flag);
char *input;
if (args.input_arg[0] == '-') {
input = read_stdin();
} else {
input = read_file(args.input_arg);
}
if (!input)
return 1;
if (args.from_blc_flag && !args.from_bloc_flag) {
debug("parsing as blc\n");
struct term *parsed = parse_blc(input);
debug("parsed blc\n");
debug("merging duplicates\n");
struct list *table = tree_merge_duplicates(parsed);
write_bloc(table, args.output_arg);
tree_destroy(table);
free_term(parsed);
free(input);
debug("done!\n");
return 0;
}
if (args.from_bloc_flag && !args.from_blc_flag) {
debug("parsing as bloc\n");
struct bloc_parsed *bloc = parse_bloc(input);
if (args.dump_flag)
print_bloc(bloc);
write_blc(bloc, args.output_arg);
free(input);
free_bloc(bloc);
return 0;
}
fatal("invalid options: use --help for information\n");
return 1;
}
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