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#include <stdlib.h>
#include <stdio.h>
#include <getopt.h>
#include <errno.h>
#include <string.h>
#include "util.h"
#include "logging.h"
#include "index.h"
static void write_index(const char *filename)
{
struct index_node *index;
char *line, *pos;
FILE *cfile;
unsigned int linenum = 0;
cfile = fopen(filename, "w");
if (!cfile)
fatal("Could not open %s for writing: %s\n",
filename, strerror(errno));
index = index_create();
while((line = getline_wrapped(stdin, &linenum))) {
pos = strchr(line, ' ');
*pos++ = '\0';
index_insert(index, line, pos, linenum);
free(line);
}
index_write(index, cfile);
index_destroy(index);
fclose(cfile);
}
static struct index_file *open_index(const char *filename)
{
struct index_file *index;
index = index_file_open(filename);
if (!index) {
if (errno == EINVAL)
fatal("%s has wrong magic or version number", filename);
fatal("Could not open %s for reading: %s\n",
filename, strerror(errno));
}
return index;
}
static void dump_index(const char *filename)
{
struct index_file *index = open_index(filename);
index_dump(index, stdout, "");
index_file_close(index);
}
static void search_index(const char *filename, char *key)
{
struct index_file *index = open_index(filename);
char *value;
value = index_search(index, key);
if (value)
printf("Found value:\n%s\n", value);
else
printf("Not found.\n");
free(value);
index_file_close(index);
}
static void searchwild_index(const char *filename, char *key)
{
struct index_file *index = open_index(filename);
struct index_value *values, *v;
values = index_searchwild(index, key);
if (values)
printf("Found value(s):\n");
else
printf("Not found.\n");
for (v = values; v; v = v->next)
printf("%s\n", v->value);
index_values_free(values);
index_file_close(index);
}
static void print_usage(const char *progname)
{
fprintf(stderr,
"Usage: %s [MODE] [FILE] ...\n"
" -o, --output <outfile>\n"
" -d, --dump <infile>\n"
" -s, --search <key> <infile>\n"
" -w, --searchwild <key> <infile>\n"
,progname);
exit(1);
}
static const struct option options[] = {
{ "output", 0, NULL, 'o' },
{ "dump", 0, NULL, 'd' },
{ "search", 1, NULL, 's' },
{ "searchwild", 1, NULL, 'w' },
};
int main(int argc, char *argv[])
{
int opt;
char mode = 0;
char *filename = NULL;
char *key = NULL;
while ((opt = getopt_long(argc, argv, "ods:w:", options, NULL))
!= -1) {
switch (opt) {
case 'o':
mode = 'o';
break;
case 'd':
mode = 'd';
break;
case 's':
mode = 's';
key = optarg;
break;
case 'w':
mode = 'w';
key = optarg;
break;
default:
print_usage(argv[0]);
}
}
if (!mode)
print_usage(argv[0]);
if (optind >= argc)
print_usage(argv[0]);
filename = argv[optind];
switch(mode) {
case 'o':
write_index(filename);
break;
case 'd':
dump_index(filename);
break;
case 's':
search_index(filename, key);
break;
case 'w':
searchwild_index(filename, key);
break;
}
return 0;
}
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