// Author: Vadim Zeitlin
// Modified by:
// Created: 05.01.00
-// RCS-ID: $Id$
// Copyright: (c) 2000 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
#if wxUSE_CMDLINE_PARSER
#include <ctype.h>
+#include <locale.h> // for LC_ALL
#include "wx/datetime.h"
#include "wx/msgout.h"
#include "wx/filename.h"
#include "wx/apptrait.h"
+#include "wx/scopeguard.h"
// ----------------------------------------------------------------------------
// private functions
type = typ;
flags = fl;
- m_hasVal = false;
+ Reset();
}
// can't use union easily here, so just store all possible data fields, we
void Check(wxCmdLineParamType WXUNUSED_UNLESS_DEBUG(typ)) const
{
- wxASSERT_MSG( type == typ, _T("type mismatch in wxCmdLineOption") );
+ wxASSERT_MSG( type == typ, wxT("type mismatch in wxCmdLineOption") );
}
double GetDoubleVal() const
{ Check(wxCMD_LINE_VAL_DATE); m_dateVal = val; m_hasVal = true; }
#endif // wxUSE_DATETIME
- void SetHasValue(bool hasValue = true) { m_hasVal = hasValue; }
+ void SetHasValue() { m_hasVal = true; }
bool HasValue() const { return m_hasVal; }
+ void SetNegated() { m_isNegated = true; }
+ bool IsNegated() const { return m_isNegated; }
+
+ // Reset to the initial state, called before parsing another command line.
+ void Reset()
+ {
+ m_hasVal =
+ m_isNegated = false;
+ }
+
public:
wxCmdLineEntryType kind;
wxString shortName,
private:
bool m_hasVal;
+ bool m_isNegated;
double m_doubleVal;
long m_longVal;
{
m_enableLongOptions = true;
#ifdef __UNIX_LIKE__
- m_switchChars = _T("-");
+ m_switchChars = wxT("-");
#else // !Unix
- m_switchChars = _T("/-");
+ m_switchChars = wxT("/-");
#endif
}
+namespace
+{
+
+// Small helper function setting locale for all categories.
+//
+// We define it because wxSetlocale() can't be easily used with wxScopeGuard as
+// it has several overloads -- while this one can.
+inline char *SetAllLocaleFacets(const char *loc)
+{
+ return wxSetlocale(LC_ALL, loc);
+}
+
+} // private namespace
+
void wxCmdLineParserData::SetArguments(int argc, char **argv)
{
m_arguments.clear();
+ // Command-line arguments are supposed to be in the user locale encoding
+ // (what else?) but wxLocale probably wasn't initialized yet as we're
+ // called early during the program startup and so our locale might not have
+ // been set from the environment yet. To work around this problem we
+ // temporarily change the locale here. The only drawback is that changing
+ // the locale is thread-unsafe but precisely because we're called so early
+ // it's hopefully safe to assume that no other threads had been created yet.
+ char * const locOld = SetAllLocaleFacets("");
+ wxON_BLOCK_EXIT1( SetAllLocaleFacets, locOld );
+
for ( int n = 0; n < argc; n++ )
{
- m_arguments.push_back(wxString::FromAscii(argv[n]));
+ // try to interpret the string as being in the current locale
+ wxString arg(argv[n]);
+
+ // but just in case we guessed wrongly and the conversion failed, do
+ // try to salvage at least something
+ if ( arg.empty() && argv[n][0] != '\0' )
+ arg = wxString(argv[n], wxConvISO8859_1);
+
+ m_arguments.push_back(arg);
}
}
break;
default:
- wxFAIL_MSG( _T("unknown command line entry type") );
+ wxFAIL_MSG( wxT("unknown command line entry type") );
// still fall through
case wxCMD_LINE_NONE:
int flags)
{
wxASSERT_MSG( m_data->FindOption(shortName) == wxNOT_FOUND,
- _T("duplicate switch") );
+ wxT("duplicate switch") );
wxCmdLineOption *option = new wxCmdLineOption(wxCMD_LINE_SWITCH,
shortName, longName, desc,
int flags)
{
wxASSERT_MSG( m_data->FindOption(shortName) == wxNOT_FOUND,
- _T("duplicate option") );
+ wxT("duplicate option") );
wxCmdLineOption *option = new wxCmdLineOption(wxCMD_LINE_OPTION,
shortName, longName, desc,
wxCmdLineParam& param = m_data->m_paramDesc.Last();
wxASSERT_MSG( !(param.flags & wxCMD_LINE_PARAM_MULTIPLE),
- _T("all parameters after the one with wxCMD_LINE_PARAM_MULTIPLE style will be ignored") );
+ wxT("all parameters after the one with wxCMD_LINE_PARAM_MULTIPLE style will be ignored") );
if ( !(flags & wxCMD_LINE_PARAM_OPTIONAL) )
{
wxASSERT_MSG( !(param.flags & wxCMD_LINE_PARAM_OPTIONAL),
- _T("a required parameter can't follow an optional one") );
+ wxT("a required parameter can't follow an optional one") );
}
}
#endif // wxDEBUG_LEVEL
// ----------------------------------------------------------------------------
bool wxCmdLineParser::Found(const wxString& name) const
+{
+ return FoundSwitch(name) != wxCMD_SWITCH_NOT_FOUND;
+}
+
+wxCmdLineSwitchState wxCmdLineParser::FoundSwitch(const wxString& name) const
{
int i = m_data->FindOption(name);
if ( i == wxNOT_FOUND )
i = m_data->FindOptionByLongName(name);
- wxCHECK_MSG( i != wxNOT_FOUND, false, _T("unknown switch") );
+ wxCHECK_MSG( i != wxNOT_FOUND, wxCMD_SWITCH_NOT_FOUND, wxT("unknown switch") );
wxCmdLineOption& opt = m_data->m_options[(size_t)i];
if ( !opt.HasValue() )
- return false;
+ return wxCMD_SWITCH_NOT_FOUND;
- return true;
+ return opt.IsNegated() ? wxCMD_SWITCH_OFF : wxCMD_SWITCH_ON;
}
bool wxCmdLineParser::Found(const wxString& name, wxString *value) const
if ( i == wxNOT_FOUND )
i = m_data->FindOptionByLongName(name);
- wxCHECK_MSG( i != wxNOT_FOUND, false, _T("unknown option") );
+ wxCHECK_MSG( i != wxNOT_FOUND, false, wxT("unknown option") );
wxCmdLineOption& opt = m_data->m_options[(size_t)i];
if ( !opt.HasValue() )
return false;
- wxCHECK_MSG( value, false, _T("NULL pointer in wxCmdLineOption::Found") );
+ wxCHECK_MSG( value, false, wxT("NULL pointer in wxCmdLineOption::Found") );
*value = opt.GetStrVal();
if ( i == wxNOT_FOUND )
i = m_data->FindOptionByLongName(name);
- wxCHECK_MSG( i != wxNOT_FOUND, false, _T("unknown option") );
+ wxCHECK_MSG( i != wxNOT_FOUND, false, wxT("unknown option") );
wxCmdLineOption& opt = m_data->m_options[(size_t)i];
if ( !opt.HasValue() )
return false;
- wxCHECK_MSG( value, false, _T("NULL pointer in wxCmdLineOption::Found") );
+ wxCHECK_MSG( value, false, wxT("NULL pointer in wxCmdLineOption::Found") );
*value = opt.GetLongVal();
if ( i == wxNOT_FOUND )
i = m_data->FindOptionByLongName(name);
- wxCHECK_MSG( i != wxNOT_FOUND, false, _T("unknown option") );
+ wxCHECK_MSG( i != wxNOT_FOUND, false, wxT("unknown option") );
wxCmdLineOption& opt = m_data->m_options[(size_t)i];
if ( !opt.HasValue() )
return false;
- wxCHECK_MSG( value, false, _T("NULL pointer in wxCmdLineOption::Found") );
+ wxCHECK_MSG( value, false, wxT("NULL pointer in wxCmdLineOption::Found") );
*value = opt.GetDoubleVal();
if ( i == wxNOT_FOUND )
i = m_data->FindOptionByLongName(name);
- wxCHECK_MSG( i != wxNOT_FOUND, false, _T("unknown option") );
+ wxCHECK_MSG( i != wxNOT_FOUND, false, wxT("unknown option") );
wxCmdLineOption& opt = m_data->m_options[(size_t)i];
if ( !opt.HasValue() )
return false;
- wxCHECK_MSG( value, false, _T("NULL pointer in wxCmdLineOption::Found") );
+ wxCHECK_MSG( value, false, wxT("NULL pointer in wxCmdLineOption::Found") );
*value = opt.GetDateVal();
wxString wxCmdLineParser::GetParam(size_t n) const
{
- wxCHECK_MSG( n < GetParamCount(), wxEmptyString, _T("invalid param index") );
+ wxCHECK_MSG( n < GetParamCount(), wxEmptyString, wxT("invalid param index") );
return m_data->m_parameters[n];
}
{
for ( size_t i = 0; i < m_data->m_options.GetCount(); i++ )
{
- wxCmdLineOption& opt = m_data->m_options[i];
- opt.SetHasValue(false);
+ m_data->m_options[i].Reset();
}
}
// special case: "--" should be discarded and all following arguments
// should be considered as parameters, even if they start with '-' and
// not like options (this is POSIX-like)
- if ( arg == _T("--") )
+ if ( arg == wxT("--") )
{
maybeOption = false;
continue;
}
-
+#ifdef __WXOSX__
+ if ( arg == wxT("-ApplePersistenceIgnoreState") )
+ {
+ maybeOption = false;
+
+ continue;
+ }
+#endif
+
// empty argument or just '-' is not an option but a parameter
if ( maybeOption && arg.length() > 1 &&
// FIXME-UTF8: use wc_str() after removing ANSI build
int optInd = wxNOT_FOUND; // init to suppress warnings
// an option or a switch: find whether it's a long or a short one
- if ( arg.length() >= 3 && arg[0u] == _T('-') && arg[1u] == _T('-') )
+ if ( arg.length() >= 3 && arg[0u] == wxT('-') && arg[1u] == wxT('-') )
{
// a long one
isLong = true;
if (longOptionsEnabled)
{
+ wxString errorOpt;
+
optInd = m_data->FindOptionByLongName(name);
if ( optInd == wxNOT_FOUND )
{
- errorMsg << wxString::Format(_("Unknown long option '%s'"), name.c_str())
- << _T('\n');
+ // Check if this could be a negatable long option.
+ if ( name.Last() == '-' )
+ {
+ name.RemoveLast();
+
+ optInd = m_data->FindOptionByLongName(name);
+ if ( optInd != wxNOT_FOUND )
+ {
+ if ( !(m_data->m_options[optInd].flags &
+ wxCMD_LINE_SWITCH_NEGATABLE) )
+ {
+ errorOpt.Printf
+ (
+ _("Option '%s' can't be negated"),
+ name
+ );
+ optInd = wxNOT_FOUND;
+ }
+ }
+ }
+
+ if ( optInd == wxNOT_FOUND )
+ {
+ if ( errorOpt.empty() )
+ {
+ errorOpt.Printf
+ (
+ _("Unknown long option '%s'"),
+ name
+ );
+ }
+
+ errorMsg << errorOpt << wxT('\n');
+ }
}
}
else
// Print the argument including leading "--"
name.Prepend( wxT("--") );
errorMsg << wxString::Format(_("Unknown option '%s'"), name.c_str())
- << _T('\n');
+ << wxT('\n');
}
}
// we couldn't find a valid option name in the
// beginning of this string
errorMsg << wxString::Format(_("Unknown option '%s'"), name.c_str())
- << _T('\n');
+ << wxT('\n');
break;
}
if ( m_data->m_options[(size_t)optInd].kind
== wxCMD_LINE_SWITCH )
{
+ // if the switch is negatable and it is just followed
+ // by '-' the '-' is considered to be part of this
+ // switch
+ if ( (m_data->m_options[(size_t)optInd].flags &
+ wxCMD_LINE_SWITCH_NEGATABLE) &&
+ arg[len] == '-' )
+ ++len;
+
// pretend that all the rest of the argument is the
// next argument, in fact
wxString arg2 = arg[0u];
m_data->m_arguments.insert
(m_data->m_arguments.begin() + n + 1, arg2);
count++;
+
+ // only leave the part which wasn't extracted into the
+ // next argument in this one
+ arg = arg.Left(len + 1);
}
//else: it's our value, we'll deal with it below
}
if ( opt.kind == wxCMD_LINE_SWITCH )
{
// we must check that there is no value following the switch
- if ( p != arg.end() )
+ bool negated = (opt.flags & wxCMD_LINE_SWITCH_NEGATABLE) &&
+ p != arg.end() && *p == '-';
+
+ if ( !negated && p != arg.end() )
{
errorMsg << wxString::Format(_("Unexpected characters following option '%s'."), name.c_str())
- << _T('\n');
+ << wxT('\n');
ok = false;
}
else // no value, as expected
{
// nothing more to do
opt.SetHasValue();
+ if ( negated )
+ opt.SetNegated();
if ( opt.flags & wxCMD_LINE_OPTION_HELP )
{
// ... but there is none
errorMsg << wxString::Format(_("Option '%s' requires a value."),
name.c_str())
- << _T('\n');
+ << wxT('\n');
ok = false;
}
{
errorMsg << wxString::Format(_("Separator expected after the option '%s'."),
name.c_str())
- << _T('\n');
+ << wxT('\n');
ok = false;
}
switch ( opt.type )
{
default:
- wxFAIL_MSG( _T("unknown option type") );
+ wxFAIL_MSG( wxT("unknown option type") );
// still fall through
case wxCMD_LINE_VAL_STRING:
{
errorMsg << wxString::Format(_("'%s' is not a correct numeric value for option '%s'."),
value.c_str(), name.c_str())
- << _T('\n');
+ << wxT('\n');
ok = false;
}
{
errorMsg << wxString::Format(_("'%s' is not a correct numeric value for option '%s'."),
value.c_str(), name.c_str())
- << _T('\n');
+ << wxT('\n');
ok = false;
}
case wxCMD_LINE_VAL_DATE:
{
wxDateTime dt;
- wxString::const_iterator end;
- if ( !dt.ParseDate(value) || end != value.end() )
+ wxString::const_iterator endDate;
+ if ( !dt.ParseDate(value, &endDate) || endDate != value.end() )
{
errorMsg << wxString::Format(_("Option '%s': '%s' cannot be converted to a date."),
name.c_str(), value.c_str())
- << _T('\n');
+ << wxT('\n');
ok = false;
}
else
{
wxASSERT_MSG( currentParam == countParam - 1,
- _T("all parameters after the one with wxCMD_LINE_PARAM_MULTIPLE style are ignored") );
+ wxT("all parameters after the one with wxCMD_LINE_PARAM_MULTIPLE style are ignored") );
// remember that we did have this last repeatable parameter
hadRepeatableParam = true;
else
{
errorMsg << wxString::Format(_("Unexpected parameter '%s'"), arg.c_str())
- << _T('\n');
+ << wxT('\n');
ok = false;
}
errorMsg << wxString::Format(_("The value for the option '%s' must be specified."),
optName.c_str())
- << _T('\n');
+ << wxT('\n');
ok = false;
}
{
errorMsg << wxString::Format(_("The required parameter '%s' was not specified."),
param.description.c_str())
- << _T('\n');
+ << wxT('\n');
ok = false;
}
}
else
{
- wxFAIL_MSG( _T("no wxMessageOutput object?") );
+ wxFAIL_MSG( wxT("no wxMessageOutput object?") );
}
}
}
else
{
- wxFAIL_MSG( _T("no wxMessageOutput object?") );
+ wxFAIL_MSG( wxT("no wxMessageOutput object?") );
}
}
if ( !m_data->m_logo.empty() )
{
- usage << m_data->m_logo << _T('\n');
+ usage << m_data->m_logo << wxT('\n');
}
usage << wxString::Format(_("Usage: %s"), appname.c_str());
// the switch char is usually '-' but this can be changed with
// SetSwitchChars() and then the first one of possible chars is used
- wxChar chSwitch = !m_data->m_switchChars ? _T('-')
+ wxChar chSwitch = !m_data->m_switchChars ? wxT('-')
: m_data->m_switchChars[0u];
bool areLongOptionsEnabled = AreLongOptionsEnabled();
for ( n = 0; n < count; n++ )
{
wxCmdLineOption& opt = m_data->m_options[n];
- wxString option;
+ wxString option, negator;
if ( opt.kind != wxCMD_LINE_USAGE_TEXT )
{
- usage << _T(' ');
+ usage << wxT(' ');
if ( !(opt.flags & wxCMD_LINE_OPTION_MANDATORY) )
{
- usage << _T('[');
+ usage << wxT('[');
}
+ if ( opt.flags & wxCMD_LINE_SWITCH_NEGATABLE )
+ negator = wxT("[-]");
+
if ( !opt.shortName.empty() )
{
- usage << chSwitch << opt.shortName;
+ usage << chSwitch << opt.shortName << negator;
}
else if ( areLongOptionsEnabled && !opt.longName.empty() )
{
- usage << _T("--") << opt.longName;
+ usage << wxT("--") << opt.longName << negator;
}
else
{
}
else
{
- wxFAIL_MSG( _T("option without neither short nor long name") );
+ wxFAIL_MSG( wxT("option without neither short nor long name") );
}
}
if ( !opt.shortName.empty() )
{
- option << _T(" ") << chSwitch << opt.shortName;
+ option << wxT(" ") << chSwitch << opt.shortName;
}
if ( areLongOptionsEnabled && !opt.longName.empty() )
{
- option << (option.empty() ? _T(" ") : _T(", "))
- << _T("--") << opt.longName;
+ option << (option.empty() ? wxT(" ") : wxT(", "))
+ << wxT("--") << opt.longName;
}
if ( opt.kind != wxCMD_LINE_SWITCH )
{
wxString val;
- val << _T('<') << GetTypeName(opt.type) << _T('>');
- usage << _T(' ') << val;
- option << (!opt.longName ? _T(':') : _T('=')) << val;
+ val << wxT('<') << GetTypeName(opt.type) << wxT('>');
+ usage << wxT(' ') << val;
+ option << (!opt.longName ? wxT(':') : wxT('=')) << val;
}
if ( !(opt.flags & wxCMD_LINE_OPTION_MANDATORY) )
{
- usage << _T(']');
+ usage << wxT(']');
}
}
{
wxCmdLineParam& param = m_data->m_paramDesc[n];
- usage << _T(' ');
+ usage << wxT(' ');
if ( param.flags & wxCMD_LINE_PARAM_OPTIONAL )
{
- usage << _T('[');
+ usage << wxT('[');
}
usage << param.description;
if ( param.flags & wxCMD_LINE_PARAM_MULTIPLE )
{
- usage << _T("...");
+ usage << wxT("...");
}
if ( param.flags & wxCMD_LINE_PARAM_OPTIONAL )
{
- usage << _T(']');
+ usage << wxT(']');
}
}
- usage << _T('\n');
+ usage << wxT('\n');
// set to number of our own options, not counting the standard ones
count = namesOptions.size();
for ( n = 0; n < namesOptions.size(); n++ )
{
if ( n == count )
- usage << _T('\n') << stdDesc;
+ usage << wxT('\n') << stdDesc;
len = namesOptions[n].length();
// desc contains text if name is empty
if (len == 0)
{
- usage << descOptions[n] << _T('\n');
+ usage << descOptions[n] << wxT('\n');
}
else
{
usage << namesOptions[n]
- << wxString(_T(' '), lenMax - len) << _T('\t')
+ << wxString(wxT(' '), lenMax - len) << wxT('\t')
<< descOptions[n]
- << _T('\n');
+ << wxT('\n');
}
}
switch ( type )
{
default:
- wxFAIL_MSG( _T("unknown option type") );
+ wxFAIL_MSG( wxT("unknown option type") );
// still fall through
case wxCMD_LINE_VAL_STRING:
Windows conventions for the command line handling, not Unix ones. For
instance, backslash is not special except when it precedes double quote when
it does quote it.
+
+ TODO: Rewrite this to follow the even more complicated rule used by Windows
+ CommandLineToArgv():
+
+ * A string of backslashes not followed by a quotation mark has no special
+ meaning.
+ * An even number of backslashes followed by a quotation mark is treated as
+ pairs of protected backslashes, followed by a word terminator.
+ * An odd number of backslashes followed by a quotation mark is treated as
+ pairs of protected backslashes, followed by a protected quotation mark.
+
+ See http://blogs.msdn.com/b/oldnewthing/archive/2010/09/17/10063629.aspx
+
+ It could also be useful to provide a converse function which is also
+ non-trivial, see
+
+ http://blogs.msdn.com/b/twistylittlepassagesallalike/archive/2011/04/23/everyone-quotes-arguments-the-wrong-way.aspx
*/
/* static */
projects / wxWidgets.git / blobdiff