added GPL incipit
This commit is contained in:
granzuglia
parent
143f9461dd
commit
9a900a640f
|
|
@ -19,292 +19,292 @@
|
||||||
* GNU General Public License (http://www.gnu.org/licenses/gpl.txt) *
|
* GNU General Public License (http://www.gnu.org/licenses/gpl.txt) *
|
||||||
* for more details. *
|
* for more details. *
|
||||||
* *
|
* *
|
||||||
****************************************************************************/
|
****************************************************************************/
|
||||||
|
|
||||||
#include <assert.h>
|
#include <assert.h>
|
||||||
#include <QtCore/QVariant>
|
#include <QtCore/QVariant>
|
||||||
#include "qgetopt.h"
|
#include "qgetopt.h"
|
||||||
|
|
||||||
#include <stdlib.h>
|
#include <stdlib.h>
|
||||||
#include <iostream>
|
#include <iostream>
|
||||||
using namespace std;
|
using namespace std;
|
||||||
|
|
||||||
GetOpt::GetOpt(int argc, char *argv[] ) {
|
GetOpt::GetOpt(int argc, char *argv[] ) {
|
||||||
appname = argv[0];
|
appname = argv[0];
|
||||||
for(int i = 1; i < argc; i++)
|
for(int i = 1; i < argc; i++)
|
||||||
args.push_back(argv[i]);
|
args.push_back(argv[i]);
|
||||||
}
|
}
|
||||||
|
|
||||||
GetOpt::GetOpt(const QStringList &a): args(a) {
|
GetOpt::GetOpt(const QStringList &a): args(a) {
|
||||||
appname = a[0];
|
appname = a[0];
|
||||||
args = a;
|
args = a;
|
||||||
args.pop_front();
|
args.pop_front();
|
||||||
}
|
}
|
||||||
|
|
||||||
//add an option without a value
|
//add an option without a value
|
||||||
void GetOpt::addSwitch(char s, const QString &name, const QString &description, bool *b ) {
|
void GetOpt::addSwitch(char s, const QString &name, const QString &description, bool *b ) {
|
||||||
Option option;
|
Option option;
|
||||||
assert(!findOption(s, option));
|
assert(!findOption(s, option));
|
||||||
assert(!findArg(name, option));
|
assert(!findArg(name, option));
|
||||||
option.type = Option::SWITCH;
|
option.type = Option::SWITCH;
|
||||||
option.o = s;
|
option.o = s;
|
||||||
option.name = name;
|
option.name = name;
|
||||||
option.description = description;
|
option.description = description;
|
||||||
option.b = b;
|
option.b = b;
|
||||||
options.push_back(option);
|
options.push_back(option);
|
||||||
}
|
}
|
||||||
|
|
||||||
//add a valued option (v will be left untouched if the option is not given)
|
//add a valued option (v will be left untouched if the option is not given)
|
||||||
void GetOpt::addOption(char s, const QString &name, const QString &description, QVariant *v ) {
|
void GetOpt::addOption(char s, const QString &name, const QString &description, QVariant *v ) {
|
||||||
Option option;
|
Option option;
|
||||||
assert(!findOption(s, option));
|
assert(!findOption(s, option));
|
||||||
assert(!findArg(name, option));
|
assert(!findArg(name, option));
|
||||||
option.type = Option::OPTION;
|
option.type = Option::OPTION;
|
||||||
option.o = s;
|
option.o = s;
|
||||||
option.name = name;
|
option.name = name;
|
||||||
option.description = description;
|
option.description = description;
|
||||||
option.value = v;
|
option.value = v;
|
||||||
options.push_back(option);
|
options.push_back(option);
|
||||||
}
|
}
|
||||||
//add an argument
|
//add an argument
|
||||||
void GetOpt::addArgument(const QString &name, const QString &description, QVariant *v) {
|
void GetOpt::addArgument(const QString &name, const QString &description, QVariant *v) {
|
||||||
Option option;
|
Option option;
|
||||||
assert(!findArg(name, option));
|
assert(!findArg(name, option));
|
||||||
option.type = Option::ARGUMENT;
|
option.type = Option::ARGUMENT;
|
||||||
option.name = name;
|
option.name = name;
|
||||||
option.description = description;
|
option.description = description;
|
||||||
option.value = v;
|
option.value = v;
|
||||||
options.push_back(option);
|
options.push_back(option);
|
||||||
}
|
}
|
||||||
//add an optional agrument
|
//add an optional agrument
|
||||||
void GetOpt::addOptionalArgument(const QString &name, const QString &description, QVariant *v) {
|
void GetOpt::addOptionalArgument(const QString &name, const QString &description, QVariant *v) {
|
||||||
Option option;
|
Option option;
|
||||||
assert(!findArg(name, option));
|
assert(!findArg(name, option));
|
||||||
option.type = Option::OPTIONAL;
|
option.type = Option::OPTIONAL;
|
||||||
option.name = name;
|
option.name = name;
|
||||||
option.description = description;
|
option.description = description;
|
||||||
option.value = v;
|
option.value = v;
|
||||||
options.push_back(option);
|
options.push_back(option);
|
||||||
}
|
}
|
||||||
//return application name
|
//return application name
|
||||||
QString &GetOpt::applicationName() {
|
QString &GetOpt::applicationName() {
|
||||||
return appname;
|
return appname;
|
||||||
}
|
}
|
||||||
|
|
||||||
//return usage string
|
//return usage string
|
||||||
QString GetOpt::usage() {
|
QString GetOpt::usage() {
|
||||||
QString u = "Usage: " + appname;
|
QString u = "Usage: " + appname;
|
||||||
//arguments
|
//arguments
|
||||||
bool has_optionals = false;
|
bool has_optionals = false;
|
||||||
bool has_options = false;
|
bool has_options = false;
|
||||||
for(int i = 0; i < options.size(); i++) {
|
for(int i = 0; i < options.size(); i++) {
|
||||||
if(options[i].type == Option::OPTION) has_options = true;
|
if(options[i].type == Option::OPTION) has_options = true;
|
||||||
if(options[i].type == Option::OPTIONAL) has_optionals = true;
|
if(options[i].type == Option::OPTIONAL) has_optionals = true;
|
||||||
if(options[i].type != Option::ARGUMENT) continue;
|
if(options[i].type != Option::ARGUMENT) continue;
|
||||||
u += " <" + options[i].name + ">";
|
u += " <" + options[i].name + ">";
|
||||||
}
|
}
|
||||||
//optional arguments
|
//optional arguments
|
||||||
if(has_optionals) {
|
if(has_optionals) {
|
||||||
u += " [";
|
u += " [";
|
||||||
for(int i = 0; i < options.size(); i++) {
|
for(int i = 0; i < options.size(); i++) {
|
||||||
if(options[i].type != Option::OPTIONAL) continue;
|
if(options[i].type != Option::OPTIONAL) continue;
|
||||||
u += " <" + options[i].name + ">";
|
u += " <" + options[i].name + ">";
|
||||||
}
|
}
|
||||||
u += "]";
|
u += "]";
|
||||||
}
|
}
|
||||||
if(has_options) {
|
if(has_options) {
|
||||||
u += " [-";
|
u += " [-";
|
||||||
for(int i = 0; i < options.size(); i++) {
|
for(int i = 0; i < options.size(); i++) {
|
||||||
if(options[i].type != Option::OPTION) continue;
|
if(options[i].type != Option::OPTION) continue;
|
||||||
u += options[i].o;
|
u += options[i].o;
|
||||||
}
|
}
|
||||||
u += "]";
|
u += "]";
|
||||||
}
|
}
|
||||||
u += "\n\n";
|
u += "\n\n";
|
||||||
//compute maxlen:
|
//compute maxlen:
|
||||||
int maxlen = 0;
|
int maxlen = 0;
|
||||||
for(int i = 0; i < options.size(); i++) {
|
for(int i = 0; i < options.size(); i++) {
|
||||||
Option &o = options[i];
|
Option &o = options[i];
|
||||||
int len = o.name.size() + 2;
|
int len = o.name.size() + 2;
|
||||||
switch(o.type) {
|
switch(o.type) {
|
||||||
case Option::ARGUMENT:
|
case Option::ARGUMENT:
|
||||||
case Option::OPTIONAL: break;
|
case Option::OPTIONAL: break;
|
||||||
case Option::SWITCH: len += 5; break;
|
case Option::SWITCH: len += 5; break;
|
||||||
case Option::OPTION: len += 16; break;
|
case Option::OPTION: len += 16; break;
|
||||||
default: break;
|
default: break;
|
||||||
}
|
}
|
||||||
if(len > maxlen) maxlen = len;
|
if(len > maxlen) maxlen = len;
|
||||||
}
|
}
|
||||||
//print options and arguments in the given order
|
//print options and arguments in the given order
|
||||||
for(int i = 0; i < options.size(); i++) {
|
for(int i = 0; i < options.size(); i++) {
|
||||||
Option &o = options[i];
|
Option &o = options[i];
|
||||||
QString line = "";
|
QString line = "";
|
||||||
switch(o.type) {
|
switch(o.type) {
|
||||||
case Option::ARGUMENT:
|
case Option::ARGUMENT:
|
||||||
case Option::OPTIONAL: line += o.name; break;
|
case Option::OPTIONAL: line += o.name; break;
|
||||||
case Option::SWITCH: line += "-" + QString(o.o) + " --" + o.name; break;
|
case Option::SWITCH: line += "-" + QString(o.o) + " --" + o.name; break;
|
||||||
case Option::OPTION: line += "-" + QString(o.o) + " <val> --" + o.name + " <val>"; break;
|
case Option::OPTION: line += "-" + QString(o.o) + " <val> --" + o.name + " <val>"; break;
|
||||||
default: break;
|
default: break;
|
||||||
}
|
}
|
||||||
QString blank = "";
|
QString blank = "";
|
||||||
blank.resize(maxlen - line.size());
|
blank.resize(maxlen - line.size());
|
||||||
blank.fill(' ');
|
blank.fill(' ');
|
||||||
line += blank + formatDesc(o.description, maxlen) + "\n";
|
line += blank + formatDesc(o.description, maxlen) + "\n";
|
||||||
u += line;
|
u += line;
|
||||||
}
|
}
|
||||||
return u;
|
return u;
|
||||||
}
|
}
|
||||||
|
|
||||||
void GetOpt::parse() {
|
void GetOpt::parse() {
|
||||||
QString error;
|
QString error;
|
||||||
if(!parse(error)) {
|
if(!parse(error)) {
|
||||||
cerr << qPrintable(error) << endl << endl << qPrintable(usage()) << endl << endl;
|
cerr << qPrintable(error) << endl << endl << qPrintable(usage()) << endl << endl;
|
||||||
exit(0);
|
exit(0);
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
bool GetOpt::parse(QString &error) {
|
bool GetOpt::parse(QString &error) {
|
||||||
for(int i = 0; i < args.size(); i++) {
|
for(int i = 0; i < args.size(); i++) {
|
||||||
QString arg = args[i];
|
QString arg = args[i];
|
||||||
if(args[i] == "-h" || args[i] == "--help") {
|
if(args[i] == "-h" || args[i] == "--help") {
|
||||||
cout << qPrintable(usage()) << endl << qPrintable(help) << endl;
|
cout << qPrintable(usage()) << endl << qPrintable(help) << endl;
|
||||||
exit(0);
|
exit(0);
|
||||||
}
|
}
|
||||||
//long option
|
//long option
|
||||||
if(arg.startsWith( QString::fromLatin1( "--" ) ) ) {
|
if(arg.startsWith( QString::fromLatin1( "--" ) ) ) {
|
||||||
arg = arg.mid( 2 );
|
arg = arg.mid( 2 );
|
||||||
if(arg.isEmpty()) {
|
if(arg.isEmpty()) {
|
||||||
error = "'--' feature not supported, yet";
|
error = "'--' feature not supported, yet";
|
||||||
return false;
|
return false;
|
||||||
}
|
}
|
||||||
Option o;
|
Option o;
|
||||||
if(!findArg(arg, o)) {
|
if(!findArg(arg, o)) {
|
||||||
error = "Unknown option: '" + arg + "'";
|
error = "Unknown option: '" + arg + "'";
|
||||||
return false;
|
return false;
|
||||||
}
|
}
|
||||||
if(o.type == Option::SWITCH) {
|
if(o.type == Option::SWITCH) {
|
||||||
*(o.b) = true;
|
*(o.b) = true;
|
||||||
} else { //OPTION
|
} else { //OPTION
|
||||||
i++;
|
i++;
|
||||||
if(args.size() <= i) {
|
if(args.size() <= i) {
|
||||||
error = "Missing value for option: " + arg;
|
error = "Missing value for option: " + arg;
|
||||||
return false;
|
return false;
|
||||||
}
|
}
|
||||||
arg = args[i];
|
arg = args[i];
|
||||||
if(i == args.size() || arg[0] == '-') {
|
if(i == args.size() || arg[0] == '-') {
|
||||||
error = "Missing argument after option '" + arg + "'";
|
error = "Missing argument after option '" + arg + "'";
|
||||||
return false;
|
return false;
|
||||||
}
|
}
|
||||||
QVariant v(arg);
|
QVariant v(arg);
|
||||||
if(!v.canConvert(o.value->type()) || !v.convert(o.value->type())) {
|
if(!v.canConvert(o.value->type()) || !v.convert(o.value->type())) {
|
||||||
error = "Error while parsing option " + o.name + ": cannot convert " +
|
error = "Error while parsing option " + o.name + ": cannot convert " +
|
||||||
arg + " to: " + o.value->typeName();
|
arg + " to: " + o.value->typeName();
|
||||||
return false;
|
return false;
|
||||||
}
|
}
|
||||||
*(o.value) = v;
|
*(o.value) = v;
|
||||||
}
|
}
|
||||||
|
|
||||||
//option
|
//option
|
||||||
} else if( arg[0] == '-' ) {
|
} else if( arg[0] == '-' ) {
|
||||||
if(arg.size() != 2) {
|
if(arg.size() != 2) {
|
||||||
error = "Invalid option: " + arg;
|
error = "Invalid option: " + arg;
|
||||||
return false;
|
return false;
|
||||||
}
|
}
|
||||||
Option o;
|
Option o;
|
||||||
if(!findOption(arg[1].toAscii(), o)) {
|
if(!findOption(arg[1].toAscii(), o)) {
|
||||||
error = "Unknown option: '" + arg + "'";
|
error = "Unknown option: '" + arg + "'";
|
||||||
return false;
|
return false;
|
||||||
}
|
}
|
||||||
if(o.type == Option::SWITCH) {
|
if(o.type == Option::SWITCH) {
|
||||||
*(o.b) = true;
|
*(o.b) = true;
|
||||||
} else { //OPTION
|
} else { //OPTION
|
||||||
i++;
|
i++;
|
||||||
if(args.size() <= i) {
|
if(args.size() <= i) {
|
||||||
error = "Missing value for option: " + arg;
|
error = "Missing value for option: " + arg;
|
||||||
return false;
|
return false;
|
||||||
}
|
}
|
||||||
arg = args[i];
|
arg = args[i];
|
||||||
if(i == args.size() || arg[0] == '-') {
|
if(i == args.size() || arg[0] == '-') {
|
||||||
error = "Missing argument after option '" + arg + "'";
|
error = "Missing argument after option '" + arg + "'";
|
||||||
return false;
|
return false;
|
||||||
}
|
}
|
||||||
QVariant v(arg);
|
QVariant v(arg);
|
||||||
if(!v.canConvert(o.value->type()) || !v.convert(o.value->type())) {
|
if(!v.canConvert(o.value->type()) || !v.convert(o.value->type())) {
|
||||||
error = "Error while parsing option " + o.name + ": cannot convert " +
|
error = "Error while parsing option " + o.name + ": cannot convert " +
|
||||||
arg + " to: " + o.value->typeName();
|
arg + " to: " + o.value->typeName();
|
||||||
return false;
|
return false;
|
||||||
}
|
}
|
||||||
*(o.value) = v;
|
*(o.value) = v;
|
||||||
}
|
}
|
||||||
//argument
|
//argument
|
||||||
} else {
|
} else {
|
||||||
arguments.push_back(arg);
|
arguments.push_back(arg);
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
//test arguments
|
//test arguments
|
||||||
for(int i = 0; i < options.size(); i++) {
|
for(int i = 0; i < options.size(); i++) {
|
||||||
Option &o = options[i];
|
Option &o = options[i];
|
||||||
if(o.type != Option::ARGUMENT) continue;
|
if(o.type != Option::ARGUMENT) continue;
|
||||||
if(arguments.isEmpty()) {
|
if(arguments.isEmpty()) {
|
||||||
error = "Too few arguments, could not parse argument '" + o.name + "'";
|
error = "Too few arguments, could not parse argument '" + o.name + "'";
|
||||||
return false;
|
return false;
|
||||||
}
|
}
|
||||||
*(o.value) = arguments.front();
|
*(o.value) = arguments.front();
|
||||||
arguments.pop_front();
|
arguments.pop_front();
|
||||||
}
|
}
|
||||||
//test arguments
|
//test arguments
|
||||||
for(int i = 0; i < options.size(); i++) {
|
for(int i = 0; i < options.size(); i++) {
|
||||||
Option &o = options[i];
|
Option &o = options[i];
|
||||||
if(o.type != Option::ARGUMENT) continue;
|
if(o.type != Option::ARGUMENT) continue;
|
||||||
if(arguments.isEmpty()) break;
|
if(arguments.isEmpty()) break;
|
||||||
*(o.value) = arguments.front();
|
*(o.value) = arguments.front();
|
||||||
arguments.pop_front();
|
arguments.pop_front();
|
||||||
}
|
}
|
||||||
if(!arguments.isEmpty() && !unlimitedArgs) {
|
if(!arguments.isEmpty() && !unlimitedArgs) {
|
||||||
error = "Too many arguments";
|
error = "Too many arguments";
|
||||||
return false;
|
return false;
|
||||||
}
|
}
|
||||||
return true;
|
return true;
|
||||||
}
|
}
|
||||||
|
|
||||||
bool GetOpt::findOption(char c, Option &option) {
|
bool GetOpt::findOption(char c, Option &option) {
|
||||||
for(int i = 0; i < options.size(); i++) {
|
for(int i = 0; i < options.size(); i++) {
|
||||||
Option &o = options[i];
|
Option &o = options[i];
|
||||||
if(o.type != Option::OPTION && o.type != Option::SWITCH) continue;
|
if(o.type != Option::OPTION && o.type != Option::SWITCH) continue;
|
||||||
if(o.o == c) {
|
if(o.o == c) {
|
||||||
option = o;
|
option = o;
|
||||||
return true;
|
return true;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
return false;
|
return false;
|
||||||
}
|
}
|
||||||
|
|
||||||
bool GetOpt::findArg(const QString &name, Option &option) {
|
bool GetOpt::findArg(const QString &name, Option &option) {
|
||||||
for(int i = 0; i < options.size(); i++) {
|
for(int i = 0; i < options.size(); i++) {
|
||||||
Option &o = options[i];
|
Option &o = options[i];
|
||||||
if(o.name == name) {
|
if(o.name == name) {
|
||||||
option = o;
|
option = o;
|
||||||
return true;
|
return true;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
return false;
|
return false;
|
||||||
}
|
}
|
||||||
|
|
||||||
QString GetOpt::formatDesc(QString desc, int len) {
|
QString GetOpt::formatDesc(QString desc, int len) {
|
||||||
QString output;
|
QString output;
|
||||||
//search for last space before 79 - len characters
|
//search for last space before 79 - len characters
|
||||||
while(!desc.isEmpty()) {
|
while(!desc.isEmpty()) {
|
||||||
int pos = desc.lastIndexOf(" ", 79 - len);
|
int pos = desc.lastIndexOf(" ", 79 - len);
|
||||||
if(pos == -1) {
|
if(pos == -1) {
|
||||||
output += desc;
|
output += desc;
|
||||||
break;
|
break;
|
||||||
}
|
}
|
||||||
output += desc.left(pos) + "\n";
|
output += desc.left(pos) + "\n";
|
||||||
QString blank;
|
QString blank;
|
||||||
blank.resize(len);
|
blank.resize(len);
|
||||||
blank.fill(' ');
|
blank.fill(' ');
|
||||||
output += blank;
|
output += blank;
|
||||||
desc = desc.mid(pos+1);
|
desc = desc.mid(pos+1);
|
||||||
}
|
}
|
||||||
return output;
|
return output;
|
||||||
}
|
}
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue