X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/9f83044fb8785568e186bee64db4f98b7a9ac9c6..e6ba3fd4b7a04756333f79467825613b400e987e:/src/common/cmdline.cpp?ds=sidebyside diff --git a/src/common/cmdline.cpp b/src/common/cmdline.cpp index f42ca0f098..49f362bfa0 100644 --- a/src/common/cmdline.cpp +++ b/src/common/cmdline.cpp @@ -28,13 +28,19 @@ #pragma hdrstop #endif +#if wxUSE_CMDLINE_PARSER + #ifndef WX_PRECOMP #include "wx/string.h" #include "wx/log.h" #include "wx/intl.h" + #include "wx/app.h" #include "wx/dynarray.h" + #include "wx/filefn.h" #endif //WX_PRECOMP +#include + #include "wx/datetime.h" #include "wx/cmdline.h" @@ -75,7 +81,7 @@ struct wxCmdLineOption // types increases, so always use the accessor functions and don't access // the fields directly!) - void Check(wxCmdLineParamType typ) const + void Check(wxCmdLineParamType WXUNUSED_UNLESS_DEBUG(typ)) const { wxASSERT_MSG( type == typ, _T("type mismatch in wxCmdLineOption") ); } @@ -94,7 +100,7 @@ struct wxCmdLineOption void SetDateVal(const wxDateTime val) { Check(wxCMD_LINE_VAL_DATE); m_dateVal = val; m_hasVal = TRUE; } - void SetHasValue() { m_hasVal = TRUE; } + void SetHasValue(bool hasValue = TRUE) { m_hasVal = hasValue; } bool HasValue() const { return m_hasVal; } public: @@ -140,8 +146,8 @@ struct wxCmdLineParserData { // options wxString m_switchChars; // characters which may start an option - bool m_enableLongOptions; // TRUE if long options are enabled + wxString m_logo; // some extra text to show in Usage() // cmd line data wxArrayString m_arguments; // == argv, argc == m_arguments.GetCount() @@ -186,12 +192,50 @@ void wxCmdLineParserData::SetArguments(int argc, char **argv) } } -void wxCmdLineParserData::SetArguments(const wxString& cmdline) +void wxCmdLineParserData::SetArguments(const wxString& cmdLine) { - // either use wxMSW wxApp::ConvertToStandardCommandArgs() or move its logic - // here and use this method from it - but don't duplicate the code + m_arguments.Empty(); + + m_arguments.Add(wxTheApp->GetAppName()); + + // Break up string + // Treat strings enclosed in double-quotes as single arguments + int i = 0; + int len = cmdLine.Length(); + while (i < len) + { + // Skip whitespace + while ((i < len) && wxIsspace(cmdLine.GetChar(i))) + i ++; - wxFAIL_MSG(_T("TODO")); + if (i < len) + { + if (cmdLine.GetChar(i) == wxT('"')) // We found the start of a string + { + i ++; + int first = i; + while ((i < len) && (cmdLine.GetChar(i) != wxT('"'))) + i ++; + + wxString arg(cmdLine.Mid(first, (i - first))); + + m_arguments.Add(arg); + + if (i < len) + i ++; // Skip past 2nd quote + } + else // Unquoted argument + { + int first = i; + while ((i < len) && !wxIsspace(cmdLine.GetChar(i))) + i ++; + + wxString arg(cmdLine.Mid(first, (i - first))); + + m_arguments.Add(arg); + } + } + } } int wxCmdLineParserData::FindOption(const wxString& name) @@ -262,6 +306,11 @@ void wxCmdLineParser::EnableLongOptions(bool enable) m_data->m_enableLongOptions = enable; } +void wxCmdLineParser::SetLogo(const wxString& logo) +{ + m_data->m_logo = logo; +} + // ---------------------------------------------------------------------------- // command line construction // ---------------------------------------------------------------------------- @@ -273,7 +322,8 @@ void wxCmdLineParser::SetDesc(const wxCmdLineEntryDesc *desc) switch ( desc->kind ) { case wxCMD_LINE_SWITCH: - AddSwitch(desc->shortName, desc->longName, desc->description); + AddSwitch(desc->shortName, desc->longName, desc->description, + desc->flags); break; case wxCMD_LINE_OPTION: @@ -338,14 +388,12 @@ void wxCmdLineParser::AddParam(const wxString& 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") ); + _T("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") ); + _T("a required parameter can't follow an optional one") ); } } #endif // Debug @@ -429,6 +477,17 @@ wxString wxCmdLineParser::GetParam(size_t n) const return m_data->m_parameters[n]; } +// Resets switches and options +void wxCmdLineParser::Reset() +{ + for ( size_t i = 0; i < m_data->m_options.Count(); i++ ) + { + wxCmdLineOption& opt = m_data->m_options[i]; + opt.SetHasValue(FALSE); + } +} + + // ---------------------------------------------------------------------------- // the real work is done here // ---------------------------------------------------------------------------- @@ -444,6 +503,8 @@ int wxCmdLineParser::Parse() size_t countParam = m_data->m_paramDesc.GetCount(); + Reset(); + // parse everything wxString arg; size_t count = m_data->m_arguments.GetCount(); @@ -477,7 +538,7 @@ int wxCmdLineParser::Parse() isLong = TRUE; const wxChar *p = arg.c_str() + 2; - while ( wxIsalpha(*p) || (*p == _T('-')) ) + while ( wxIsalnum(*p) || (*p == _T('_')) || (*p == _T('-')) ) { name += *p++; } @@ -495,7 +556,7 @@ int wxCmdLineParser::Parse() // a short one: as they can be cumulated, we try to find the // longest substring which is a valid option const wxChar *p = arg.c_str() + 1; - while ( wxIsalpha(*p) ) + while ( wxIsalnum(*p) || (*p == _T('_')) ) { name += *p++; } @@ -521,8 +582,13 @@ int wxCmdLineParser::Parse() } while ( optInd == wxNOT_FOUND ); - if ( (len > 0) && (len != name.length()) ) + len++; // compensates extra len-- above + if ( (optInd != wxNOT_FOUND) && (len != name.length()) ) { + // first of all, the option name is only part of this + // string + name = name.Left(len); + // our option is only part of this argument, there is // something else in it - it is either the value of this // option or other switches if it is a switch @@ -532,9 +598,10 @@ int wxCmdLineParser::Parse() // pretend that all the rest of the argument is the // next argument, in fact wxString arg2 = arg[0u]; - arg2 += name.Mid(len); + arg2 += arg.Mid(len + 1); // +1 for leading '-' m_data->m_arguments.Insert(arg2, n + 1); + count++; } //else: it's our value, we'll deal with it below } @@ -573,8 +640,7 @@ int wxCmdLineParser::Parse() if ( *p++ != _T('=') ) { - wxLogError(_("Option '%s' requires a value, '=' " - "expected."), name.c_str()); + wxLogError(_("Option '%s' requires a value, '=' expected."), name.c_str()); ok = FALSE; } @@ -583,6 +649,7 @@ int wxCmdLineParser::Parse() { switch ( *p ) { + case _T('='): case _T(':'): // the value follows p++; @@ -606,8 +673,15 @@ int wxCmdLineParser::Parse() break; default: - // the value is right here - ; + // the value is right here: this may be legal or + // not depending on the option style + if ( opt.flags & wxCMD_LINE_NEEDS_SEPARATOR ) + { + wxLogError(_("Separator expected after the option '%s'."), + name.c_str()); + + ok = FALSE; + } } } @@ -633,9 +707,7 @@ int wxCmdLineParser::Parse() } else { - wxLogError(_("'%s' is not a correct " - "numeric value for option " - "'%s'."), + wxLogError(_("'%s' is not a correct numeric value for option '%s'."), value.c_str(), name.c_str()); ok = FALSE; @@ -649,8 +721,7 @@ int wxCmdLineParser::Parse() const wxChar *res = dt.ParseDate(value); if ( !res || *res ) { - wxLogError(_("Options '%s': '%s' cannot " - "be converted to a date."), + wxLogError(_("Option '%s': '%s' cannot be converted to a date."), name.c_str(), value.c_str()); ok = FALSE; @@ -683,9 +754,7 @@ int wxCmdLineParser::Parse() else { wxASSERT_MSG( currentParam == countParam - 1, - _T("all parameters after the one with " - "wxCMD_LINE_PARAM_MULTIPLE style " - "are ignored") ); + _T("all parameters after the one with wxCMD_LINE_PARAM_MULTIPLE style are ignored") ); // remember that we did have this last repeatable parameter hadRepeatableParam = TRUE; @@ -764,8 +833,26 @@ int wxCmdLineParser::Parse() void wxCmdLineParser::Usage() { - wxString brief, detailed; - brief.Printf(_("Usage: %s"), wxTheApp->GetAppName().c_str()); + wxString appname = wxTheApp->GetAppName(); + if ( !appname ) + { + wxCHECK_RET( !m_data->m_arguments.IsEmpty(), _T("no program name") ); + + appname = wxFileNameFromPath(m_data->m_arguments[0]); + wxStripExtension(appname); + } + + // we construct the brief cmd line desc on the fly, but not the detailed + // help message below because we want to align the options descriptions + // and for this we must first know the longest one of them + wxString brief; + wxArrayString namesOptions, descOptions; + brief.Printf(_("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('-') + : m_data->m_switchChars[0u]; size_t n, count = m_data->m_options.GetCount(); for ( n = 0; n < count; n++ ) @@ -778,11 +865,13 @@ void wxCmdLineParser::Usage() brief << _T('['); } - brief << _T('-') << opt.shortName; - detailed << _T(" -") << opt.shortName; + brief << chSwitch << opt.shortName; + + wxString option; + option << _T(" ") << chSwitch << opt.shortName; if ( !!opt.longName ) { - detailed << _T(" --") << opt.longName; + option << _T(" --") << opt.longName; } if ( opt.kind != wxCMD_LINE_SWITCH ) @@ -790,7 +879,7 @@ void wxCmdLineParser::Usage() wxString val; val << _T('<') << GetTypeName(opt.type) << _T('>'); brief << _T(' ') << val; - detailed << (!opt.longName ? _T(':') : _T('=')) << val; + option << (!opt.longName ? _T(':') : _T('=')) << val; } if ( !(opt.flags & wxCMD_LINE_OPTION_MANDATORY) ) @@ -798,7 +887,8 @@ void wxCmdLineParser::Usage() brief << _T(']'); } - detailed << _T('\t') << opt.description << _T('\n'); + namesOptions.Add(option); + descOptions.Add(opt.description); } count = m_data->m_paramDesc.GetCount(); @@ -825,7 +915,33 @@ void wxCmdLineParser::Usage() } } + if ( !!m_data->m_logo ) + { + wxLogMessage(m_data->m_logo); + } + wxLogMessage(brief); + + // now construct the detailed help message + size_t len, lenMax = 0; + count = namesOptions.GetCount(); + for ( n = 0; n < count; n++ ) + { + len = namesOptions[n].length(); + if ( len > lenMax ) + lenMax = len; + } + + wxString detailed; + for ( n = 0; n < count; n++ ) + { + len = namesOptions[n].length(); + detailed << namesOptions[n] + << wxString(_T(' '), lenMax - len) << _T('\t') + << descOptions[n] + << _T('\n'); + } + wxLogMessage(detailed); } @@ -849,3 +965,5 @@ static wxString GetTypeName(wxCmdLineParamType type) return s; } + +#endif // wxUSE_CMDLINE_PARSER