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namespace PluggIt {
static const DirectFBPixelFormatNames(m_formats);
class Options
{
class Option {
friend class Options;
protected const char *m_short_name;
protected const char *m_long_name;
protected const char *m_arg_name;
protected const char *m_arg_desc;
protected bool m_need_arg;
public Option( const char *short_name,
const char *long_name,
const char *arg_name,
const char *arg_desc )
{
m_short_name = short_name;
m_long_name = long_name;
m_arg_name = arg_name;
m_arg_desc = arg_desc;
m_need_arg = true;
}
public virtual bool Parse( const char *arg ) = 0;
};
public class OptionBool extends Option {
private bool &m_value;
public OptionBool( const char *short_name,
const char *long_name,
const char *arg_name,
const char *arg_desc,
bool &value ) : Option( short_name, long_name, arg_name, arg_desc ), m_value( value )
{
m_need_arg = false;
}
public virtual bool Parse( const char *arg ) {
m_value = true;
return true;
}
};
public class OptionLong extends Option {
private long &m_value;
private int m_base;
public OptionLong( const char *short_name,
const char *long_name,
const char *arg_name,
const char *arg_desc,
long &value,
int base = 10 ) : Option( short_name, long_name, arg_name, arg_desc ), m_value( value )
{
m_base = base;
}
public virtual bool Parse( const char *arg ) {
long ret;
char *end;
ret = strtol( arg, &end, m_base );
if (*end) {
D_ERROR( "Option/Long: Invalid argument to '%s' or '%s'!\n", m_short_name, m_long_name );
return false;
}
m_value = ret;
return true;
}
};
public class OptionULong extends Option {
private unsigned long &m_value;
private int m_base;
public OptionULong( const char *short_name,
const char *long_name,
const char *arg_name,
const char *arg_desc,
unsigned long &value,
int base = 10 ) : Option( short_name, long_name, arg_name, arg_desc ), m_value( value )
{
m_base = base;
}
public virtual bool Parse( const char *arg ) {
unsigned long ret;
char *end;
ret = strtoul( arg, &end, m_base );
if (*end) {
D_ERROR( "Option/ULong: Invalid argument to '%s' or '%s'!\n", m_short_name, m_long_name );
return false;
}
m_value = ret;
return true;
}
};
public class OptionFormat extends Option {
private DFBSurfacePixelFormat &m_value;
public OptionFormat( const char *short_name,
const char *long_name,
const char *arg_name,
const char *arg_desc,
DFBSurfacePixelFormat &value ) : Option( short_name, long_name, arg_name, arg_desc ), m_value( value )
{
}
public virtual bool Parse( const char *arg ) {
unsigned int i;
for (i=0; i<D_ARRAY_SIZE(m_formats); i++) {
if (!strcasecmp( m_formats[i].name, arg )) {
m_value = m_formats[i].format;
return true;
}
}
D_ERROR( "Option/Format: Unknown format '%s' passed to '%s' or '%s'!\n", arg, m_short_name, m_long_name );
return false;
}
};
public class OptionString extends Option {
private std::string &m_value;
public OptionString( const char *short_name,
const char *long_name,
const char *arg_name,
const char *arg_desc,
std::string &value ) : Option( short_name, long_name, arg_name, arg_desc ), m_value( value )
{
}
public virtual bool Parse( const char *arg ) {
m_value = arg;
return true;
}
};
public class OptionPoint extends Option {
private DFBPoint &m_value;
public OptionPoint( const char *short_name,
const char *long_name,
const char *arg_name,
const char *arg_desc,
DFBPoint &value ) : Option( short_name, long_name, arg_name, arg_desc ), m_value( value )
{
}
public virtual bool Parse( const char *arg ) {
if (sscanf( arg, "%d,%d", &m_value.x, &m_value.y ) != 2) {
D_ERROR( "Option/Point: Invalid argument to '%s' or '%s'!\n", m_short_name, m_long_name );
return false;
}
return true;
}
};
public class OptionDimension extends Option {
private DFBDimension &m_value;
public OptionDimension( const char *short_name,
const char *long_name,
const char *arg_name,
const char *arg_desc,
DFBDimension &value ) : Option( short_name, long_name, arg_name, arg_desc ), m_value( value )
{
}
public virtual bool Parse( const char *arg ) {
if (sscanf( arg, "%dx%d", &m_value.w, &m_value.h ) != 2) {
D_ERROR( "Option/Dimension: Invalid argument to '%s' or '%s'!\n", m_short_name, m_long_name );
return false;
}
return true;
}
};
public class OptionRectangle extends Option {
private DFBRectangle &m_value;
public OptionRectangle( const char *short_name,
const char *long_name,
const char *arg_name,
const char *arg_desc,
DFBRectangle &value ) : Option( short_name, long_name, arg_name, arg_desc ), m_value( value )
{
}
public virtual bool Parse( const char *arg ) {
if (sscanf( arg, "%d,%d-%dx%d", &m_value.x, &m_value.y, &m_value.w, &m_value.h ) != 4) {
D_ERROR( "Option/Rectangle: Invalid argument to '%s' or '%s'!\n", m_short_name, m_long_name );
return false;
}
return true;
}
};
public class OptionLocation extends Option {
private DFBLocation &m_value;
public OptionLocation( const char *short_name,
const char *long_name,
const char *arg_name,
const char *arg_desc,
DFBLocation &value ) : Option( short_name, long_name, arg_name, arg_desc ), m_value( value )
{
}
public virtual bool Parse( const char *arg ) {
if (sscanf( arg, "%f,%f-%fx%f", &m_value.x, &m_value.y, &m_value.w, &m_value.h ) != 4) {
D_ERROR( "Option/Location: Invalid argument to '%s' or '%s'!\n", m_short_name, m_long_name );
return false;
}
return true;
}
};
private vector<Option*> m_options;
public void addOption( Option *option ) {
m_options.push_back( option );
}
public bool parseCommandLine( int argc, char *argv[] ) {
int n;
for (n = 1; n < argc; n++) {
bool ok = false;
const char *arg = argv[n];
if (strcmp (arg, "-h") == 0 || strcmp (arg, "--help") == 0) {
printUsage (argv[0]);
return false;
}
if (strcmp (arg, "-v") == 0 || strcmp (arg, "--version") == 0) {
// fprintf (stderr, "dfbscreen version %s\n", DIRECTFB_VERSION);
return false;
}
vector<Option*>::iterator itr = m_options.begin();
for (; itr != m_options.end(); itr++) {
Option *option = *itr;
if (!strcmp (arg, option->m_short_name) || !strcmp (arg, option->m_long_name)) {
if (option->m_need_arg && ++n == argc) {
printUsage (argv[0]);
return false;
}
if (!option->Parse( argv[n] ))
return false;
ok = true;
break;
}
}
if (!ok) {
printUsage (argv[0]);
return false;
}
}
return true;
}
public void printUsage( const char *prg_name ) {
//fprintf (stderr, "\nDirectFB Screen Configuration (version %s)\n\n", DIRECTFB_VERSION);
fprintf (stderr, "Usage: %s [options]\n\n", prg_name);
fprintf (stderr, "Options:\n");
fprintf (stderr, " -h --help Show this help message\n");
fprintf (stderr, " -v --version Print version information\n");
vector<Option*>::const_iterator itr = m_options.begin();
for (; itr != m_options.end(); itr++) {
const Option *option = *itr;
fprintf( stderr, " %-3s %-16s %-12s %s\n",
option->m_short_name, option->m_long_name, option->m_arg_name, option->m_arg_desc );
}
fprintf( stderr, "\n" );
}
};
}
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