X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e2b87f38d9092b56591728558f2cc13cac6a58af..b74077ace2413000c5556cbe0c41ab210ac12c54:/src/common/cmdline.cpp diff --git a/src/common/cmdline.cpp b/src/common/cmdline.cpp index 9ee69c9840..88d22ca184 100644 --- a/src/common/cmdline.cpp +++ b/src/common/cmdline.cpp @@ -1,12 +1,12 @@ /////////////////////////////////////////////////////////////////////////////// -// Name: common/cmdline.cpp +// Name: src/common/cmdline.cpp // Purpose: wxCmdLineParser implementation // Author: Vadim Zeitlin // Modified by: // Created: 05.01.00 // RCS-ID: $Id$ // Copyright: (c) 2000 Vadim Zeitlin -// Licence: wxWindows license +// Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// // ============================================================================ @@ -17,10 +17,6 @@ // headers // ---------------------------------------------------------------------------- -#ifdef __GNUG__ - #pragma implementation "cmdline.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -28,23 +24,24 @@ #pragma hdrstop #endif -#include "wx/cmdline.h" - -#if wxUSE_CMDLINE_PARSER - #ifndef WX_PRECOMP + #include "wx/dynarray.h" #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 "wx/cmdline.h" + +#if wxUSE_CMDLINE_PARSER + #include #include "wx/datetime.h" #include "wx/msgout.h" +#include "wx/filename.h" +#include "wx/apptrait.h" // ---------------------------------------------------------------------------- // private functions @@ -52,11 +49,15 @@ static wxString GetTypeName(wxCmdLineParamType type); -static wxString GetOptionName(const wxChar *p, const wxChar *allowedChars); +static wxString GetOptionName(wxString::const_iterator p, + wxString::const_iterator end, + const wxChar *allowedChars); -static wxString GetShortOptionName(const wxChar *p); +static wxString GetShortOptionName(wxString::const_iterator p, + wxString::const_iterator end); -static wxString GetLongOptionName(const wxChar *p); +static wxString GetLongOptionName(wxString::const_iterator p, + wxString::const_iterator end); // ---------------------------------------------------------------------------- // private structs @@ -76,17 +77,17 @@ struct wxCmdLineOption _T("option should have at least one name") ); wxASSERT_MSG - ( - GetShortOptionName(shrt).Len() == shrt.Len(), - wxT("Short option contains invalid characters") - ); + ( + GetShortOptionName(shrt.begin(), shrt.end()).Len() == shrt.Len(), + wxT("Short option contains invalid characters") + ); wxASSERT_MSG - ( - GetLongOptionName(lng).Len() == lng.Len(), - wxT("Long option contains invalid characters") - ); - + ( + GetLongOptionName(lng.begin(), lng.end()).Len() == lng.Len(), + wxT("Long option contains invalid characters") + ); + kind = k; @@ -97,7 +98,7 @@ struct wxCmdLineOption type = typ; flags = fl; - m_hasVal = FALSE; + m_hasVal = false; } // can't use union easily here, so just store all possible data fields, we @@ -120,15 +121,15 @@ struct wxCmdLineOption #endif // wxUSE_DATETIME void SetLongVal(long val) - { Check(wxCMD_LINE_VAL_NUMBER); m_longVal = val; m_hasVal = TRUE; } + { Check(wxCMD_LINE_VAL_NUMBER); m_longVal = val; m_hasVal = true; } void SetStrVal(const wxString& val) - { Check(wxCMD_LINE_VAL_STRING); m_strVal = val; m_hasVal = TRUE; } + { Check(wxCMD_LINE_VAL_STRING); m_strVal = val; m_hasVal = true; } #if wxUSE_DATETIME - void SetDateVal(const wxDateTime val) - { Check(wxCMD_LINE_VAL_DATE); m_dateVal = val; m_hasVal = TRUE; } + void SetDateVal(const wxDateTime& val) + { Check(wxCMD_LINE_VAL_DATE); m_dateVal = val; m_hasVal = true; } #endif // wxUSE_DATETIME - void SetHasValue(bool hasValue = TRUE) { m_hasVal = hasValue; } + void SetHasValue(bool hasValue = true) { m_hasVal = hasValue; } bool HasValue() const { return m_hasVal; } public: @@ -170,26 +171,29 @@ WX_DECLARE_OBJARRAY(wxCmdLineParam, wxArrayParams); #include "wx/arrimpl.cpp" -WX_DEFINE_OBJARRAY(wxArrayOptions); -WX_DEFINE_OBJARRAY(wxArrayParams); +WX_DEFINE_OBJARRAY(wxArrayOptions) +WX_DEFINE_OBJARRAY(wxArrayParams) // the parser internal state struct wxCmdLineParserData { // options wxString m_switchChars; // characters which may start an option - bool m_enableLongOptions; // TRUE if long options are enabled + 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() - wxArrayOptions m_options; // all possible options and switchrs + wxArrayOptions m_options; // all possible options and switches wxArrayParams m_paramDesc; // description of all possible params wxArrayString m_parameters; // all params found // methods wxCmdLineParserData(); + void SetArguments(int argc, char **argv); +#if wxUSE_UNICODE void SetArguments(int argc, wxChar **argv); +#endif // wxUSE_UNICODE void SetArguments(const wxString& cmdline); int FindOption(const wxString& name); @@ -206,7 +210,7 @@ struct wxCmdLineParserData wxCmdLineParserData::wxCmdLineParserData() { - m_enableLongOptions = TRUE; + m_enableLongOptions = true; #ifdef __UNIX_LIKE__ m_switchChars = _T("-"); #else // !Unix @@ -214,21 +218,38 @@ wxCmdLineParserData::wxCmdLineParserData() #endif } +void wxCmdLineParserData::SetArguments(int argc, char **argv) +{ + m_arguments.clear(); + + for ( int n = 0; n < argc; n++ ) + { + m_arguments.push_back(wxString::FromAscii(argv[n])); + } +} + +#if wxUSE_UNICODE + void wxCmdLineParserData::SetArguments(int argc, wxChar **argv) { - m_arguments.Empty(); + m_arguments.clear(); for ( int n = 0; n < argc; n++ ) { - m_arguments.Add(argv[n]); + m_arguments.push_back(argv[n]); } } +#endif // wxUSE_UNICODE + void wxCmdLineParserData::SetArguments(const wxString& cmdLine) { - m_arguments.Empty(); + m_arguments.clear(); - m_arguments.Add(wxTheApp->GetAppName()); + if(wxTheApp && wxTheApp->argc > 0) + m_arguments.push_back(wxTheApp->argv[0]); + else + m_arguments.push_back(wxEmptyString); wxArrayString args = wxCmdLineParser::ConvertStringToArgs(cmdLine); @@ -277,11 +298,20 @@ void wxCmdLineParser::Init() m_data = new wxCmdLineParserData; } +void wxCmdLineParser::SetCmdLine(int argc, char **argv) +{ + m_data->SetArguments(argc, argv); +} + +#if wxUSE_UNICODE + void wxCmdLineParser::SetCmdLine(int argc, wxChar **argv) { m_data->SetArguments(argc, argv); } +#endif // wxUSE_UNICODE + void wxCmdLineParser::SetCmdLine(const wxString& cmdline) { m_data->SetArguments(cmdline); @@ -418,13 +448,13 @@ bool wxCmdLineParser::Found(const wxString& name) const if ( i == wxNOT_FOUND ) i = m_data->FindOptionByLongName(name); - wxCHECK_MSG( i != wxNOT_FOUND, FALSE, _T("unknown switch") ); + wxCHECK_MSG( i != wxNOT_FOUND, false, _T("unknown switch") ); wxCmdLineOption& opt = m_data->m_options[(size_t)i]; if ( !opt.HasValue() ) - return FALSE; + return false; - return TRUE; + return true; } bool wxCmdLineParser::Found(const wxString& name, wxString *value) const @@ -433,17 +463,17 @@ 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, _T("unknown option") ); wxCmdLineOption& opt = m_data->m_options[(size_t)i]; if ( !opt.HasValue() ) - return FALSE; + return false; - wxCHECK_MSG( value, FALSE, _T("NULL pointer in wxCmdLineOption::Found") ); + wxCHECK_MSG( value, false, _T("NULL pointer in wxCmdLineOption::Found") ); *value = opt.GetStrVal(); - return TRUE; + return true; } bool wxCmdLineParser::Found(const wxString& name, long *value) const @@ -452,17 +482,17 @@ bool wxCmdLineParser::Found(const wxString& name, long *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, _T("unknown option") ); wxCmdLineOption& opt = m_data->m_options[(size_t)i]; if ( !opt.HasValue() ) - return FALSE; + return false; - wxCHECK_MSG( value, FALSE, _T("NULL pointer in wxCmdLineOption::Found") ); + wxCHECK_MSG( value, false, _T("NULL pointer in wxCmdLineOption::Found") ); *value = opt.GetLongVal(); - return TRUE; + return true; } #if wxUSE_DATETIME @@ -472,23 +502,23 @@ bool wxCmdLineParser::Found(const wxString& name, wxDateTime *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, _T("unknown option") ); wxCmdLineOption& opt = m_data->m_options[(size_t)i]; if ( !opt.HasValue() ) - return FALSE; + return false; - wxCHECK_MSG( value, FALSE, _T("NULL pointer in wxCmdLineOption::Found") ); + wxCHECK_MSG( value, false, _T("NULL pointer in wxCmdLineOption::Found") ); *value = opt.GetDateVal(); - return TRUE; + return true; } #endif // wxUSE_DATETIME size_t wxCmdLineParser::GetParamCount() const { - return m_data->m_parameters.GetCount(); + return m_data->m_parameters.size(); } wxString wxCmdLineParser::GetParam(size_t n) const @@ -501,10 +531,10 @@ wxString wxCmdLineParser::GetParam(size_t n) const // Resets switches and options void wxCmdLineParser::Reset() { - for ( size_t i = 0; i < m_data->m_options.Count(); i++ ) + for ( size_t i = 0; i < m_data->m_options.GetCount(); i++ ) { wxCmdLineOption& opt = m_data->m_options[i]; - opt.SetHasValue(FALSE); + opt.SetHasValue(false); } } @@ -515,10 +545,10 @@ void wxCmdLineParser::Reset() int wxCmdLineParser::Parse(bool showUsage) { - bool maybeOption = TRUE; // can the following arg be an option? - bool ok = TRUE; // TRUE until an error is detected - bool helpRequested = FALSE; // TRUE if "-h" was given - bool hadRepeatableParam = FALSE; // TRUE if found param with MULTIPLE flag + bool maybeOption = true; // can the following arg be an option? + bool ok = true; // true until an error is detected + bool helpRequested = false; // true if "-h" was given + bool hadRepeatableParam = false; // true if found param with MULTIPLE flag size_t currentParam = 0; // the index in m_paramDesc @@ -529,7 +559,7 @@ int wxCmdLineParser::Parse(bool showUsage) // parse everything wxString arg; - size_t count = m_data->m_arguments.GetCount(); + size_t count = m_data->m_arguments.size(); for ( size_t n = 1; ok && (n < count); n++ ) // 0 is program name { arg = m_data->m_arguments[n]; @@ -539,38 +569,40 @@ int wxCmdLineParser::Parse(bool showUsage) // not like options (this is POSIX-like) if ( arg == _T("--") ) { - maybeOption = FALSE; + maybeOption = false; continue; } // empty argument or just '-' is not an option but a parameter if ( maybeOption && arg.length() > 1 && - wxStrchr(m_data->m_switchChars, arg[0u]) ) + // FIXME-UTF8: use wc_str() after removing ANSI build + wxStrchr(m_data->m_switchChars.c_str(), arg[0u]) ) { bool isLong; wxString name; 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[0u] == _T('-') && arg[1u] == _T('-') ) + if ( arg.length() >= 3 && arg[0u] == _T('-') && arg[1u] == _T('-') ) { // a long one - isLong = TRUE; + isLong = true; // Skip leading "--" - const wxChar *p = arg.c_str() + 2; + wxString::const_iterator p = arg.begin() + 2; bool longOptionsEnabled = AreLongOptionsEnabled(); - name = GetLongOptionName(p); + name = GetLongOptionName(p, arg.end()); if (longOptionsEnabled) { optInd = m_data->FindOptionByLongName(name); if ( optInd == wxNOT_FOUND ) { - errorMsg << wxString::Format(_("Unknown long option '%s'"), name.c_str()) << wxT("\n"); + errorMsg << wxString::Format(_("Unknown long option '%s'"), name.c_str()) + << _T('\n'); } } else @@ -579,19 +611,20 @@ int wxCmdLineParser::Parse(bool showUsage) // Print the argument including leading "--" name.Prepend( wxT("--") ); - errorMsg << wxString::Format(_("Unknown option '%s'"), name.c_str()) << wxT("\n"); + errorMsg << wxString::Format(_("Unknown option '%s'"), name.c_str()) + << _T('\n'); } } - else + else // not a long option { - isLong = FALSE; + isLong = false; // 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; + wxString::const_iterator p = arg.begin() + 1; - name = GetShortOptionName(p); + name = GetShortOptionName(p, arg.end()); size_t len = name.length(); do @@ -600,7 +633,8 @@ int wxCmdLineParser::Parse(bool showUsage) { // we couldn't find a valid option name in the // beginning of this string - errorMsg << wxString::Format(_("Unknown option '%s'"), name.c_str()) << wxT("\n"); + errorMsg << wxString::Format(_("Unknown option '%s'"), name.c_str()) + << _T('\n'); break; } @@ -632,7 +666,8 @@ int wxCmdLineParser::Parse(bool showUsage) wxString arg2 = arg[0u]; arg2 += arg.Mid(len + 1); // +1 for leading '-' - m_data->m_arguments.Insert(arg2, n + 1); + m_data->m_arguments.insert + (m_data->m_arguments.begin() + n + 1, arg2); count++; } //else: it's our value, we'll deal with it below @@ -641,50 +676,65 @@ int wxCmdLineParser::Parse(bool showUsage) if ( optInd == wxNOT_FOUND ) { - ok = FALSE; + ok = false; continue; // will break, in fact } + // look at what follows: + + // +1 for leading '-' + wxString::const_iterator p = arg.begin() + 1 + name.length(); + wxString::const_iterator end = arg.end(); + + if ( isLong ) + ++p; // for another leading '-' + wxCmdLineOption& opt = m_data->m_options[(size_t)optInd]; if ( opt.kind == wxCMD_LINE_SWITCH ) { - // nothing more to do - opt.SetHasValue(); - - if ( opt.flags & wxCMD_LINE_OPTION_HELP ) + // we must check that there is no value following the switch + if ( p != arg.end() ) + { + errorMsg << wxString::Format(_("Unexpected characters following option '%s'."), name.c_str()) + << _T('\n'); + ok = false; + } + else // no value, as expected { - helpRequested = TRUE; + // nothing more to do + opt.SetHasValue(); + + if ( opt.flags & wxCMD_LINE_OPTION_HELP ) + { + helpRequested = true; - // it's not an error, but we still stop here - ok = FALSE; + // it's not an error, but we still stop here + ok = false; + } } } - else + else // it's an option. not a switch { // get the value - - // +1 for leading '-' - const wxChar *p = arg.c_str() + 1 + name.length(); if ( isLong ) { - p++; // for another leading '-' - if ( *p++ != _T('=') ) { - errorMsg << wxString::Format(_("Option '%s' requires a value, '=' expected."), name.c_str()) << wxT("\n"); + errorMsg << wxString::Format(_("Option '%s' requires a value, '=' expected."), name.c_str()) + << _T('\n'); - ok = FALSE; + ok = false; } } - else + else // short option { - switch ( *p ) + switch ( (*p).GetValue() ) { case _T('='): case _T(':'): // the value follows - p++; + ++p; break; case 0: @@ -693,14 +743,16 @@ int wxCmdLineParser::Parse(bool showUsage) { // ... but there is none errorMsg << wxString::Format(_("Option '%s' requires a value."), - name.c_str()) << wxT("\n"); + name.c_str()) + << _T('\n'); - ok = FALSE; + ok = false; } else { // ... take it from there - p = m_data->m_arguments[n].c_str(); + p = m_data->m_arguments[n].begin(); + end = m_data->m_arguments[n].end(); } break; @@ -710,16 +762,17 @@ int wxCmdLineParser::Parse(bool showUsage) if ( opt.flags & wxCMD_LINE_NEEDS_SEPARATOR ) { errorMsg << wxString::Format(_("Separator expected after the option '%s'."), - name.c_str()) << wxT("\n"); + name.c_str()) + << _T('\n'); - ok = FALSE; + ok = false; } } } if ( ok ) { - wxString value = p; + wxString value(p, end); switch ( opt.type ) { default: @@ -740,9 +793,10 @@ int wxCmdLineParser::Parse(bool showUsage) else { errorMsg << wxString::Format(_("'%s' is not a correct numeric value for option '%s'."), - value.c_str(), name.c_str()) << wxT("\n"); + value.c_str(), name.c_str()) + << _T('\n'); - ok = FALSE; + ok = false; } } break; @@ -751,13 +805,15 @@ int wxCmdLineParser::Parse(bool showUsage) case wxCMD_LINE_VAL_DATE: { wxDateTime dt; - const wxChar *res = dt.ParseDate(value); + // FIXME-UTF8: ParseDate API will need changes + const wxChar *res = dt.ParseDate(value.c_str()); if ( !res || *res ) { errorMsg << wxString::Format(_("Option '%s': '%s' cannot be converted to a date."), - name.c_str(), value.c_str()) << wxT("\n"); + name.c_str(), value.c_str()) + << _T('\n'); - ok = FALSE; + ok = false; } else { @@ -770,16 +826,15 @@ int wxCmdLineParser::Parse(bool showUsage) } } } - else + else // not an option, must be a parameter { - // a parameter if ( currentParam < countParam ) { wxCmdLineParam& param = m_data->m_paramDesc[currentParam]; // TODO check the param type - m_data->m_parameters.Add(arg); + m_data->m_parameters.push_back(arg); if ( !(param.flags & wxCMD_LINE_PARAM_MULTIPLE) ) { @@ -791,14 +846,15 @@ int wxCmdLineParser::Parse(bool showUsage) _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; + hadRepeatableParam = true; } } else { - errorMsg << wxString::Format(_("Unexpected parameter '%s'"), arg.c_str()) << wxT("\n"); + errorMsg << wxString::Format(_("Unexpected parameter '%s'"), arg.c_str()) + << _T('\n'); - ok = FALSE; + ok = false; } } } @@ -833,9 +889,10 @@ int wxCmdLineParser::Parse(bool showUsage) } errorMsg << wxString::Format(_("The value for the option '%s' must be specified."), - optName.c_str()) << wxT("\n"); + optName.c_str()) + << _T('\n'); - ok = FALSE; + ok = false; } } @@ -854,9 +911,10 @@ int wxCmdLineParser::Parse(bool showUsage) if ( !(param.flags & wxCMD_LINE_PARAM_OPTIONAL) ) { errorMsg << wxString::Format(_("The required parameter '%s' was not specified."), - param.description.c_str()) << wxT("\n"); + param.description.c_str()) + << _T('\n'); - ok = FALSE; + ok = false; } } } @@ -902,14 +960,15 @@ void wxCmdLineParser::Usage() wxString wxCmdLineParser::GetUsageString() { - wxString appname = wxTheApp->GetAppName(); - if ( !appname ) + wxString appname; + if ( m_data->m_arguments.empty() ) { - wxCHECK_MSG( !m_data->m_arguments.IsEmpty(), wxEmptyString, - _T("no program name") ); - - appname = wxFileNameFromPath(m_data->m_arguments[0]); - wxStripExtension(appname); + if ( wxTheApp ) + appname = wxTheApp->GetAppName(); + } + else // use argv[0] + { + appname = wxFileName(m_data->m_arguments[0]).GetName(); } // we construct the brief cmd line desc on the fly, but not the detailed @@ -955,7 +1014,7 @@ wxString wxCmdLineParser::GetUsageString() if (!opt.longName.empty()) { wxFAIL_MSG( wxT("option with only a long name while long ") - wxT("options are disabled") ); + wxT("options are disabled") ); } else { @@ -989,8 +1048,8 @@ wxString wxCmdLineParser::GetUsageString() usage << _T(']'); } - namesOptions.Add(option); - descOptions.Add(opt.description); + namesOptions.push_back(option); + descOptions.push_back(opt.description); } count = m_data->m_paramDesc.GetCount(); @@ -1019,18 +1078,29 @@ wxString wxCmdLineParser::GetUsageString() usage << _T('\n'); + // set to number of our own options, not counting the standard ones + count = namesOptions.size(); + + // get option names & descriptions for standard options, if any: + wxAppTraits *traits = wxTheApp ? wxTheApp->GetTraits() : NULL; + wxString stdDesc; + if ( traits ) + stdDesc = traits->GetStandardCmdLineOptions(namesOptions, descOptions); + // now construct the detailed help message size_t len, lenMax = 0; - count = namesOptions.GetCount(); - for ( n = 0; n < count; n++ ) + for ( n = 0; n < namesOptions.size(); n++ ) { len = namesOptions[n].length(); if ( len > lenMax ) lenMax = len; } - for ( n = 0; n < count; n++ ) + for ( n = 0; n < namesOptions.size(); n++ ) { + if ( n == count ) + usage << _T('\n') << stdDesc; + len = namesOptions[n].length(); usage << namesOptions[n] << wxString(_T(' '), lenMax - len) << _T('\t') @@ -1079,12 +1149,13 @@ the parameter allowedChars. For example, if p points to "abcde-@-_", and allowedChars is "-_", this function returns "abcde-". */ -static wxString GetOptionName(const wxChar *p, - const wxChar *allowedChars) +static wxString GetOptionName(wxString::const_iterator p, + wxString::const_iterator end, + const wxChar *allowedChars) { wxString argName; - while ( *p && (wxIsalnum(*p) || wxStrchr(allowedChars, *p)) ) + while ( p != end && (wxIsalnum(*p) || wxStrchr(allowedChars, *p)) ) { argName += *p++; } @@ -1102,14 +1173,16 @@ static wxString GetOptionName(const wxChar *p, #define wxCMD_LINE_CHARS_ALLOWED_BY_LONG_OPTION \ wxCMD_LINE_CHARS_ALLOWED_BY_SHORT_OPTION wxT("-") -static wxString GetShortOptionName(const wxChar *p) +static wxString GetShortOptionName(wxString::const_iterator p, + wxString::const_iterator end) { - return GetOptionName(p, wxCMD_LINE_CHARS_ALLOWED_BY_SHORT_OPTION); + return GetOptionName(p, end, wxCMD_LINE_CHARS_ALLOWED_BY_SHORT_OPTION); } -static wxString GetLongOptionName(const wxChar *p) +static wxString GetLongOptionName(wxString::const_iterator p, + wxString::const_iterator end) { - return GetOptionName(p, wxCMD_LINE_CHARS_ALLOWED_BY_LONG_OPTION); + return GetOptionName(p, end, wxCMD_LINE_CHARS_ALLOWED_BY_LONG_OPTION); } #endif // wxUSE_CMDLINE_PARSER @@ -1120,125 +1193,82 @@ static wxString GetLongOptionName(const wxChar *p) /* This function is mainly used under Windows (as under Unix we always get the - command line arguments as argc/argv anyhow) and so it tries to handle the - Windows path names (separated by backslashes) correctly. For this it only - considers that a backslash may be used to escape another backslash (but - normally this is _not_ needed) or a quote but nothing else. - - In particular, to pass a single argument containing a space to the program - it should be quoted: - - myprog.exe foo bar -> argc = 3, argv[1] = "foo", argv[2] = "bar" - myprog.exe "foo bar" -> argc = 2, argv[1] = "foo bar" - - To pass an argument containing spaces and quotes, the latter should be - escaped with a backslash: - - myprog.exe "foo \"bar\"" -> argc = 2, argv[1] = "foo "bar"" - - This hopefully matches the conventions used by Explorer/command line - interpreter under Windows. If not, this function should be fixed. + command line arguments as argc/argv anyhow) and so it tries to follow + 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. */ /* static */ -wxArrayString wxCmdLineParser::ConvertStringToArgs(const wxChar *p) +wxArrayString wxCmdLineParser::ConvertStringToArgs(const wxString& cmdline) { wxArrayString args; wxString arg; arg.reserve(1024); - bool isInsideQuotes = FALSE; + bool isInsideQuotes = false; + + wxString::const_iterator p = cmdline.begin(); + for ( ;; ) { // skip white space - while ( *p == _T(' ') || *p == _T('\t') ) - p++; + while ( p != cmdline.end() && (*p == _T(' ') || *p == _T('\t')) ) + ++p; // anything left? - if ( *p == _T('\0') ) + if ( p == cmdline.end() ) break; // parse this parameter - arg.clear(); - for ( ;; p++ ) + bool endParam = false; + bool lastBS = false; + for ( arg.clear(); !endParam; p++ ) { - // do we have a (lone) backslash? - bool isQuotedByBS = FALSE; - while ( *p == _T('\\') ) - { - p++; - - // if we have 2 backslashes in a row, output one - // unless it looks like a UNC path \\machine\dir\file.ext - if ( isQuotedByBS || arg.Len() == 0 ) - { - arg += _T('\\'); - isQuotedByBS = FALSE; - } - else // the next char is quoted - { - isQuotedByBS = TRUE; - } - } - - bool skipChar = FALSE, - endParam = FALSE; - switch ( *p ) + switch ( (*p).GetValue() ) { case _T('"'): - if ( !isQuotedByBS ) + if ( !lastBS ) { - // don't put the quote itself in the arg - skipChar = TRUE; - isInsideQuotes = !isInsideQuotes; - } - //else: insert a literal quote + // don't put quote in arg + continue; + } + //else: quote has no special meaning but the backslash + // still remains -- makes no sense but this is what + // Windows does break; case _T(' '): case _T('\t'): - // we intentionally don't check for preceding backslash - // here as if we allowed it to be used to escape spaces the - // cmd line of the form "foo.exe a:\ c:\bar" wouldn't be - // parsed correctly + // backslash does *not* quote the space, only quotes do if ( isInsideQuotes ) { - // preserve it, skip endParam below + // skip assignment below break; } - //else: fall through + // fall through case _T('\0'): - endParam = TRUE; - break; + endParam = true; - default: - if ( isQuotedByBS ) - { - // ignore backslash before an ordinary character - this - // is needed to properly handle the file names under - // Windows appearing in the command line - arg += _T('\\'); - } + break; } - // end of argument? if ( endParam ) - break; - - // otherwise copy this char to arg - if ( !skipChar ) { - arg += *p; + break; } + + lastBS = *p == _T('\\'); + + arg += *p; } - args.Add(arg); + args.push_back(arg); } return args; } -