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#ifdef _WIN32
#include <fcntl.h>
#include <io.h>
#include <stdio.h>
#endif // _WIN32
#include <cstdlib>
#include <fstream>
#include <iostream>
#include <string>
#include <marisa.h>
#include "cmdopt.h"
namespace {
int param_num_tries = MARISA_DEFAULT_NUM_TRIES;
marisa::TailMode param_tail_mode = MARISA_DEFAULT_TAIL;
marisa::NodeOrder param_node_order = MARISA_DEFAULT_ORDER;
marisa::CacheLevel param_cache_level = MARISA_DEFAULT_CACHE;
const char *output_filename = NULL;
void print_help(const char *cmd) {
std::cerr << "Usage: " << cmd << " [OPTION]... [FILE]...\n\n"
"Options:\n"
" -n, --num-tries=[N] limit the number of tries"
" [" << MARISA_MIN_NUM_TRIES << ", " << MARISA_MAX_NUM_TRIES
<< "] (default: 3)\n"
" -t, --text-tail build a dictionary with text TAIL (default)\n"
" -b, --binary-tail build a dictionary with binary TAIL\n"
" -w, --weight-order arrange siblings in weight order (default)\n"
" -l, --label-order arrange siblings in label order\n"
" -c, --cache-level=[N] specify the cache size"
" [1, 5] (default: 3)\n"
" -o, --output=[FILE] write tries to FILE (default: stdout)\n"
" -h, --help print this help\n"
<< std::endl;
}
void read_keys(std::istream &input, marisa::Keyset *keyset) {
std::string line;
while (std::getline(input, line)) {
const std::string::size_type delim_pos = line.find_last_of('\t');
float weight = 1.0F;
if (delim_pos != line.npos) {
char *end_of_value;
weight = (float)std::strtod(&line[delim_pos + 1], &end_of_value);
if (*end_of_value == '\0') {
line.resize(delim_pos);
}
}
keyset->push_back(line.c_str(), line.length(), weight);
}
}
int build(const char * const *args, std::size_t num_args) {
marisa::Keyset keyset;
if (num_args == 0) try {
read_keys(std::cin, &keyset);
} catch (const marisa::Exception &ex) {
std::cerr << ex.what() << ": failed to read keys" << std::endl;
return 10;
}
for (std::size_t i = 0; i < num_args; ++i) try {
std::ifstream input_file(args[i], std::ios::binary);
if (!input_file) {
std::cerr << "error: failed to open: " << args[i] << std::endl;
return 11;
}
read_keys(input_file, &keyset);
} catch (const marisa::Exception &ex) {
std::cerr << ex.what() << ": failed to read keys" << std::endl;
return 12;
}
marisa::Trie trie;
try {
trie.build(keyset, param_num_tries | param_tail_mode | param_node_order |
param_cache_level);
} catch (const marisa::Exception &ex) {
std::cerr << ex.what() << ": failed to build a dictionary" << std::endl;
return 20;
}
std::cerr << "#keys: " << trie.num_keys() << std::endl;
std::cerr << "#nodes: " << trie.num_nodes() << std::endl;
std::cerr << "size: " << trie.io_size() << std::endl;
if (output_filename != NULL) {
try {
trie.save(output_filename);
} catch (const marisa::Exception &ex) {
std::cerr << ex.what() << ": failed to write a dictionary to file: "
<< output_filename << std::endl;
return 30;
}
} else {
#ifdef _WIN32
const int stdout_fileno = ::_fileno(stdout);
if (stdout_fileno < 0) {
std::cerr << "error: failed to get the file descriptor of "
"standard output" << std::endl;
return 31;
}
if (::_setmode(stdout_fileno, _O_BINARY) == -1) {
std::cerr << "error: failed to set binary mode" << std::endl;
return 32;
}
#endif // _WIN32
try {
std::cout << trie;
} catch (const marisa::Exception &ex) {
std::cerr << ex.what()
<< ": failed to write a dictionary to standard output" << std::endl;
return 33;
}
}
return 0;
}
} // namespace
int main(int argc, char *argv[]) {
std::ios::sync_with_stdio(false);
::cmdopt_option long_options[] = {
{ "max-num-tries", 1, NULL, 'n' },
{ "text-tail", 0, NULL, 't' },
{ "binary-tail", 0, NULL, 'b' },
{ "weight-order", 0, NULL, 'w' },
{ "label-order", 0, NULL, 'l' },
{ "cache-level", 1, NULL, 'c' },
{ "output", 1, NULL, 'o' },
{ "help", 0, NULL, 'h' },
{ NULL, 0, NULL, 0 }
};
::cmdopt_t cmdopt;
::cmdopt_init(&cmdopt, argc, argv, "n:tbwlc:o:h", long_options);
int label;
while ((label = ::cmdopt_get(&cmdopt)) != -1) {
switch (label) {
case 'n': {
char *end_of_value;
const long value = std::strtol(cmdopt.optarg, &end_of_value, 10);
if ((*end_of_value != '\0') || (value <= 0) ||
(value > MARISA_MAX_NUM_TRIES)) {
std::cerr << "error: option `-n' with an invalid argument: "
<< cmdopt.optarg << std::endl;
return 1;
}
param_num_tries = (int)value;
break;
}
case 't': {
param_tail_mode = MARISA_TEXT_TAIL;
break;
}
case 'b': {
param_tail_mode = MARISA_BINARY_TAIL;
break;
}
case 'w': {
param_node_order = MARISA_WEIGHT_ORDER;
break;
}
case 'l': {
param_node_order = MARISA_LABEL_ORDER;
break;
}
case 'c': {
char *end_of_value;
const long value = std::strtol(cmdopt.optarg, &end_of_value, 10);
if ((*end_of_value != '\0') || (value < 1) || (value > 5)) {
std::cerr << "error: option `-c' with an invalid argument: "
<< cmdopt.optarg << std::endl;
return 2;
} else if (value == 1) {
param_cache_level = MARISA_TINY_CACHE;
} else if (value == 2) {
param_cache_level = MARISA_SMALL_CACHE;
} else if (value == 3) {
param_cache_level = MARISA_NORMAL_CACHE;
} else if (value == 4) {
param_cache_level = MARISA_LARGE_CACHE;
} else if (value == 5) {
param_cache_level = MARISA_HUGE_CACHE;
}
break;
}
case 'o': {
output_filename = cmdopt.optarg;
break;
}
case 'h': {
print_help(argv[0]);
return 0;
}
default: {
return 1;
}
}
}
return build(cmdopt.argv + cmdopt.optind,
static_cast<std::size_t>(cmdopt.argc - cmdopt.optind));
}
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