OptionsItf *other):

print_args_(false), help_(false), usage_(""), argc_(0), argv_(NULL) {

ParseOptions *po = dynamic_cast<ParseOptions*>(other);

if (po != NULL && po->other_parser_ != NULL) {

// we get here if this constructor is used twice, recursively.

other_parser_ = po->other_parser_;

} else {

other_parser_ = other;

}

if (po != NULL && po->prefix_ != "") {

prefix_ = po->prefix_ + std::string(".") + prefix;

} else {

prefix_ = prefix;

}

const std::string &doc) {

if (other_parser_ == NULL) {

this->RegisterCommon(name, ptr, doc, false);

} else {

KALDI_ASSERT(prefix_ != "" &&

"Cannot use empty prefix when registering with prefix.");

std::string new_name = prefix_ + '.' + name; // name becomes prefix.name

other_parser_->Register(new_name, ptr, doc);

}

const std::string &doc, bool is_standard) {

KALDI_ASSERT(ptr != NULL);

std::string idx = name;

NormalizeArgName(&idx);

if (doc_map_.find(idx) != doc_map_.end())

KALDI_WARN << "Registering option twice, ignoring second time: " << name;

this->RegisterSpecific(name, idx, ptr, doc, is_standard);

const std::string &idx,

bool *b,

const std::string &doc,

bool is_standard) {

bool_map_[idx] = b;

doc_map_[idx] = DocInfo(name, doc + " (bool, default = "

+ ((*b)? "true)" : "false)"), is_standard);

const std::string &idx,

int32 *i,

const std::string &doc,

bool is_standard) {

int_map_[idx] = i;

std::ostringstream ss;

ss << doc << " (int, default = " << *i << ")";

doc_map_[idx] = DocInfo(name, ss.str(), is_standard);

const std::string &idx,

uint32 *u,

const std::string &doc,

bool is_standard) {

uint_map_[idx] = u;

std::ostringstream ss;

ss << doc << " (uint, default = " << *u << ")";

doc_map_[idx] = DocInfo(name, ss.str(), is_standard);

const std::string &idx,

float *f,

const std::string &doc,

bool is_standard) {

float_map_[idx] = f;

std::ostringstream ss;

ss << doc << " (float, default = " << *f << ")";

doc_map_[idx] = DocInfo(name, ss.str(), is_standard);

const std::string &idx,

double *f,

const std::string &doc,

bool is_standard) {

double_map_[idx] = f;

std::ostringstream ss;

ss << doc << " (double, default = " << *f << ")";

doc_map_[idx] = DocInfo(name, ss.str(), is_standard);

const std::string &idx,

std::string *s,

const std::string &doc,

bool is_standard) {

string_map_[idx] = s;

doc_map_[idx] = DocInfo(name, doc + " (string, default = \"" + *s + "\")",

is_standard);

if (argv_ != NULL)

KALDI_ERR << "DisableOption must not be called after calling Read().";

if (doc_map_.erase(name) == 0)

KALDI_ERR << "Option " << name

<< " was not registered so cannot be disabled: ";

bool_map_.erase(name);

int_map_.erase(name);

uint_map_.erase(name);

float_map_.erase(name);

double_map_.erase(name);

string_map_.erase(name);

// use KALDI_ERR if code error

if (i < 1 || i > static_cast<int>(positional_args_.size()))

KALDI_ERR << "ParseOptions::GetArg, invalid index " << i;

return positional_args_[i - 1];

// Only Bash is supported (for the moment).

KALDI_ASSERT(st == kBash && "Invalid shell type.");

const char *c = str.c_str();

if (*c == '\0') {

return true; // Must quote empty string

} else {

const char *ok_chars[2];

// These seem not to be interpreted as long as there are no other "bad"

// characters involved (e.g. "," would be interpreted as part of something

// like a{b,c}, but not on its own.

ok_chars[kBash] = "[]~#^_-+=:.,/";

// Just want to make sure that a space character doesn't get automatically

// inserted here via an automated style-checking script, like it did before.

KALDI_ASSERT(!strchr(ok_chars[kBash], ' '));

for (; *c != '\0'; c++) {

// For non-alphanumeric characters we have a list of characters which

// are OK. All others are forbidden (this is easier since the shell

// interprets most non-alphanumeric characters).

if (!isalnum(*c)) {

const char *d;

for (d = ok_chars[st]; *d != '\0'; d++) if (*c == *d) break;

// If not alphanumeric or one of the "ok_chars", it must be escaped.

if (*d == '\0') return true;

}

}

return false; // The string was OK. No quoting or escaping.

}

// Only Bash is supported (for the moment).

KALDI_ASSERT(st == kBash && "Invalid shell type.");

// For now we use the following rules:

// In the normal case, we quote with single-quote "'", and to escape

// a single-quote we use the string: '\'' (interpreted as closing the

// single-quote, putting an escaped single-quote from the shell, and

// then reopening the single quote).

char quote_char = '\'';

const char *escape_str = "'\\''"; // e.g. echo 'a'\''b' returns a'b

// If the string contains single-quotes that would need escaping this

// way, and we determine that the string could be safely double-quoted

// without requiring any escaping, then we double-quote the string.

// This is the case if the characters "`$\ do not appear in the string.

// e.g. see http://www.redhat.com/mirrors/LDP/LDP/abs/html/quotingvar.html

const char *c_str = str.c_str();

if (strchr(c_str, '\'') && !strpbrk(c_str, "\"`$\\")) {

quote_char = '"';

escape_str = "\\\""; // should never be accessed.

}

char buf[2];

buf[1] = '\0';

buf[0] = quote_char;

std::string ans = buf;

const char *c = str.c_str();

for (;*c != '\0'; c++) {

if (*c == quote_char) {

ans += escape_str;

} else {

buf[0] = *c;

ans += buf;

}

}

buf[0] = quote_char;

ans += buf;

return ans;

argc_ = argc;

argv_ = argv;

std::string key, value;

int i;

if (argc > 0) {

// set global "const char*" g_program_name

// name of the program (followed by ':')

// so it can print it out in error messages;

// it's useful because often the stderr of different programs will

// be mixed together in the same log file.

#ifdef _MSC_VER

const char *c = strrchr(argv[0], '\\');

#else

const char *c = strrchr(argv[0], '/');

#endif

if (c == NULL)

c = argv[0];

else

c++;

char *program_name = new char[strlen(c)+2];

strcpy(program_name, c);

strcat(program_name, ":");

delete [] g_program_name;

g_program_name = program_name;

}

// first pass: look for config parameter, look for priority

for (i = 1; i < argc; i++) {

if (std::strncmp(argv[i], "--", 2) == 0) {

if (std::strcmp(argv[i], "--") == 0) {

// a lone "--" marks the end of named options

break;

}

bool has_equal_sign;

SplitLongArg(argv[i], &key, &value, &has_equal_sign);

NormalizeArgName(&key);

Trim(&value);

if (key.compare("config") == 0) {

ReadConfigFile(value);

}

if (key.compare("help") == 0) {

PrintUsage();

exit(0);

}

}

}

bool double_dash_seen = false;

// second pass: add the command line options

for (i = 1; i < argc; i++) {

if (std::strncmp(argv[i], "--", 2) == 0) {

if (std::strcmp(argv[i], "--") == 0) {

// A lone "--" marks the end of named options.

// Skip that option and break the processing of named options

i += 1;

double_dash_seen = true;

break;

}

bool has_equal_sign;

SplitLongArg(argv[i], &key, &value, &has_equal_sign);

NormalizeArgName(&key);

Trim(&value);

if (!SetOption(key, value, has_equal_sign)) {

PrintUsage(true);

KALDI_ERR << "Invalid option " << argv[i];

}

} else {

break;

}

}

// process remaining arguments as positional

for (; i < argc; i++) {

if ((std::strcmp(argv[i], "--") == 0) && !double_dash_seen) {

double_dash_seen = true;

} else {

positional_args_.push_back(std::string(argv[i]));

}

}

// if the user did not suppress this with --print-args = false....

if (print_args_) {

std::ostringstream strm;

for (int j = 0; j < argc; j++)

strm << Escape(argv[j]) << " ";

strm << '\n';

std::cerr << strm.str() << std::flush;

}

return i;

std::cerr << '\n' << usage_ << '\n';

DocMapType::iterator it;

// first we print application-specific options

bool app_specific_header_printed = false;

for (it = doc_map_.begin(); it != doc_map_.end(); ++it) {

if (it->second.is_standard_ == false) { // application-specific option

if (app_specific_header_printed == false) { // header was not yet printed

std::cerr << "Options:" << '\n';

app_specific_header_printed = true;

}

std::cerr << " --" << std::setw(25) << std::left << it->second.name_

<< " : " << it->second.use_msg_ << '\n';

}

}

if (app_specific_header_printed == true) {

std::cerr << '\n';

}

// then the standard options

std::cerr << "Standard options:" << '\n';

for (it = doc_map_.begin(); it != doc_map_.end(); ++it) {

if (it->second.is_standard_ == true) { // we have standard option

std::cerr << " --" << std::setw(25) << std::left << it->second.name_

<< " : " << it->second.use_msg_ << '\n';

}

}

std::cerr << '\n';

if (print_command_line) {

std::ostringstream strm;

strm << "Command line was: ";

for (int j = 0; j < argc_; j++)

strm << Escape(argv_[j]) << " ";

strm << '\n';

std::cerr << strm.str() << std::flush;

}

os << '\n' << "[[ Configuration of UI-Registered options ]]" << '\n';

std::string key;

DocMapType::iterator it;

for (it = doc_map_.begin(); it != doc_map_.end(); ++it) {

key = it->first;

os << it->second.name_ << " = ";

if (bool_map_.end() != bool_map_.find(key)) {

os << (*bool_map_[key] ? "true" : "false");

} else if (int_map_.end() != int_map_.find(key)) {

os << (*int_map_[key]);

} else if (uint_map_.end() != uint_map_.find(key)) {

os << (*uint_map_[key]);

} else if (float_map_.end() != float_map_.find(key)) {

os << (*float_map_[key]);

} else if (double_map_.end() != double_map_.find(key)) {

os << (*double_map_[key]);

} else if (string_map_.end() != string_map_.find(key)) {

os << "'" << *string_map_[key] << "'";

} else {

KALDI_ERR << "PrintConfig: unrecognized option " << key << "[code error]";

}

os << '\n';

}

os << '\n';

std::ifstream is(filename.c_str(), std::ifstream::in);

if (!is.good()) {

KALDI_ERR << "Cannot open config file: " << filename;

}

std::string line, key, value;

int32 line_number = 0;

while (std::getline(is, line)) {

line_number++;

// trim out the comments

size_t pos;

if ((pos = line.find_first_of('#')) != std::string::npos) {

line.erase(pos);

}

// skip empty lines

Trim(&line);

if (line.length() == 0) continue;

if (line.substr(0, 2) != "--") {

KALDI_ERR << "Reading config file " << filename

<< ": line " << line_number << " does not look like a line "

<< "from a Kaldi command-line program's config file: should "

<< "be of the form --x=y. Note: config files intended to "

<< "be sourced by shell scripts lack the '--'.";

}

// parse option

bool has_equal_sign;

SplitLongArg(line, &key, &value, &has_equal_sign);

NormalizeArgName(&key);

Trim(&value);

if (!SetOption(key, value, has_equal_sign)) {

PrintUsage(true);

KALDI_ERR << "Invalid option " << line << " in config file " << filename;

}

}

std::string *key,

std::string *value,

bool *has_equal_sign) {

KALDI_ASSERT(in.substr(0, 2) == "--"); // precondition.

size_t pos = in.find_first_of('=', 0);

if (pos == std::string::npos) { // we allow --option for bools

// defaults to empty. We handle this differently in different cases.

*key = in.substr(2, in.size()-2); // 2 because starts with --.

*value = "";

*has_equal_sign = false;

} else if (pos == 2) { // we also don't allow empty keys: --=value

PrintUsage(true);

KALDI_ERR << "Invalid option (no key): " << in;

} else { // normal case: --option=value

*key = in.substr(2, pos-2); // 2 because starts with --.

*value = in.substr(pos + 1);

*has_equal_sign = true;

}

std::string out;

std::string::iterator it;

for (it = str->begin(); it != str->end(); ++it) {

if (*it == '_')

out += '-'; // convert _ to -

else

out += std::tolower(*it);

}

*str = out;

KALDI_ASSERT(str->length() > 0);

const std::string &value,

bool has_equal_sign) {

if (bool_map_.end() != bool_map_.find(key)) {

if (has_equal_sign && value == "")

KALDI_ERR << "Invalid option --" << key << "=";

*(bool_map_[key]) = ToBool(value);

} else if (int_map_.end() != int_map_.find(key)) {

*(int_map_[key]) = ToInt(value);

} else if (uint_map_.end() != uint_map_.find(key)) {

*(uint_map_[key]) = ToUint(value);

} else if (float_map_.end() != float_map_.find(key)) {

*(float_map_[key]) = ToFloat(value);

} else if (double_map_.end() != double_map_.find(key)) {

*(double_map_[key]) = ToDouble(value);

} else if (string_map_.end() != string_map_.find(key)) {

if (!has_equal_sign)

KALDI_ERR << "Invalid option --" << key;

*(string_map_[key]) = value;

} else {

return false;

}

return true;

std::transform(str.begin(), str.end(), str.begin(), ::tolower);

// allow "" as a valid option for "true", so that --x is the same as --x=true

if ((str.compare("true") == 0) || (str.compare("t") == 0)

|| (str.compare("1") == 0) || (str.compare("") == 0)) {

return true;

}

if ((str.compare("false") == 0) || (str.compare("f") == 0)

|| (str.compare("0") == 0)) {

return false;

}

// if it is neither true nor false:

PrintUsage(true);

KALDI_ERR << "Invalid format for boolean argument [expected true or false]: "

<< str;

return false; // never reached

int32 ret;

if (!ConvertStringToInteger(str, &ret))

KALDI_ERR << "Invalid integer option \"" << str << "\"";

return ret;

uint32 ret;

if (!ConvertStringToInteger(str, &ret))

KALDI_ERR << "Invalid integer option \"" << str << "\"";

return ret;

float ret;

if (!ConvertStringToReal(str, &ret))

KALDI_ERR << "Invalid floating-point option \"" << str << "\"";

return ret;

double ret;

if (!ConvertStringToReal(str, &ret))

KALDI_ERR << "Invalid floating-point option \"" << str << "\"";

return ret;