X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/3d46a376b1fbb996aae67ef950c2aa86dbd626e9..7344108e8a129a3f9b4df5ab0f98a1713db03b89:/interface/wx/cmdline.h?ds=sidebyside diff --git a/interface/wx/cmdline.h b/interface/wx/cmdline.h index 4b7b85f4c2..479239781c 100644 --- a/interface/wx/cmdline.h +++ b/interface/wx/cmdline.h @@ -3,39 +3,47 @@ // Purpose: interface of wxCmdLineParser // Author: wxWidgets team // RCS-ID: $Id$ -// Licence: wxWindows license +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// /** wxCmdLineEntryDesc::flags field is a combination of these bit masks. Notice that by default (i.e. if flags are just 0), options are optional - (sic) and each call to wxCmdLineEntryDesc::AddParam() allows one more + (sic) and each call to wxCmdLineParser::AddParam() allows one more parameter - this may be changed by giving non-default flags to it, i.e. use - wxCMD_LINE_OPTION_MANDATORY to require that the option is given and - wxCMD_LINE_PARAM_OPTIONAL to make a parameter optional. Also, - wxCMD_LINE_PARAM_MULTIPLE may be specified if the programs accepts a + @c wxCMD_LINE_OPTION_MANDATORY to require that the option is given and + @c wxCMD_LINE_PARAM_OPTIONAL to make a parameter optional. + + Also, @c wxCMD_LINE_PARAM_MULTIPLE may be specified if the programs accepts a variable number of parameters - but it only can be given for the last parameter in the command line description. If you use this flag, you will probably need to use wxCmdLineEntryDesc::GetParamCount() to retrieve the number of parameters effectively specified after calling wxCmdLineEntryDesc::Parse(). - wxCMD_LINE_NEEDS_SEPARATOR can be specified to require a separator (either + @c wxCMD_LINE_NEEDS_SEPARATOR can be specified to require a separator (either a colon, an equal sign or white space) between the option name and its value. By default, no separator is required. + + @c wxCMD_LINE_SWITCH_NEGATABLE can be specified if you want to allow the + user to specify the switch in both normal form and in negated one (e.g. + /R-). You will need to use wxCmdLineParser::FoundSwitch() to distinguish + between the normal and negated forms of the switch. This flag is new since + wxWidgets 2.9.2. */ -enum +enum wxCmdLineEntryFlags { wxCMD_LINE_OPTION_MANDATORY = 0x01, ///< This option must be given. wxCMD_LINE_PARAM_OPTIONAL = 0x02, ///< The parameter may be omitted. wxCMD_LINE_PARAM_MULTIPLE = 0x04, ///< The parameter may be repeated. wxCMD_LINE_OPTION_HELP = 0x08, ///< This option is a help request. - wxCMD_LINE_NEEDS_SEPARATOR = 0x10 ///< Must have a separator before the value. + wxCMD_LINE_NEEDS_SEPARATOR = 0x10, ///< Must have a separator before the value. + wxCMD_LINE_SWITCH_NEGATABLE = 0x20 ///< This switch can be negated (e.g. /S-) }; /** - The possible values of wxCmdLineEntryDesc::type which specifies the type of + The possible values of wxCmdLineEntryDesc::type which specify the type of the value accepted by an option. */ enum wxCmdLineParamType @@ -52,13 +60,40 @@ enum wxCmdLineParamType */ enum wxCmdLineEntryType { + /// A boolean argument of the program; e.g. @c -v to enable verbose mode. wxCMD_LINE_SWITCH, + + /// An argument with an associated value; e.g. @c "-o filename" to specify + /// an optional output filename. wxCMD_LINE_OPTION, + + /// A parameter: a required program argument. wxCMD_LINE_PARAM, + + /// Additional usage text. See wxCmdLineParser::AddUsageText. wxCMD_LINE_USAGE_TEXT, + wxCMD_LINE_NONE ///< Use this to terminate the list. }; +/** + The state of a switch as returned by wxCmdLineParser::FoundSwitch(). + + @since 2.9.2 +*/ +enum wxCmdLineSwitchState +{ + /// The switch was found in negated form, i.e. followed by a '-'. + wxCMD_SWITCH_OFF, + + /// The switch was not found at all on the command line. + wxCMD_SWITCH_NOT_FOUND + + /// The switch was found (and was not negated) + wxCMD_SWITCH_ON +}; + + /** Flags determining wxCmdLineParser::ConvertStringToArgs() behaviour. */ @@ -69,37 +104,53 @@ enum wxCmdLineSplitType }; /** - The structure wxCmdLineEntryDesc is used to describe the one command line + The structure wxCmdLineEntryDesc is used to describe a command line switch, option or parameter. An array of such structures should be passed to wxCmdLineParser::SetDesc(). - Also, the meanings of parameters of the wxCmdLineParser::AddXXX() functions + Note that the meanings of parameters of the wxCmdLineParser::AddXXX() functions are the same as of the corresponding fields in this structure. */ struct wxCmdLineEntryDesc { + /** + The kind of this program argument. + See ::wxCmdLineEntryType for more info. + */ wxCmdLineEntryType kind; /** - This is the usual, short, name of the switch or the option. + The usual, short, name of the switch or the option. + + It may contain only letters, digits and the underscores. + This field is unused if kind == wxCMD_LINE_PARAM. */ const char *shortName; /** - @c longName is the corresponding long name or empty if the option - has no long name. Both of these fields are unused for the parameters. Both - the short and long option names can contain only letters, digits and the - underscores. + The long name for this program argument (may be empty if the option + has no long name). + + It may contain only letters, digits and the underscores. + This field is unused if kind == wxCMD_LINE_PARAM. */ const char *longName; /** - This description is used by the wxCmdLineEntryDesc::Usage() method to + This description is used by the wxCmdLineParser::Usage() method to construct a help message explaining the syntax of the program. */ const char *description; + /** + The type associated with this option (ignored if kind != wxCMD_LINE_OPTION). + See ::wxCmdLineParamType for more info. + */ wxCmdLineParamType type; + + /** + A combination of one or more ::wxCmdLineEntryFlags enum values. + */ int flags; }; @@ -129,16 +180,15 @@ struct wxCmdLineEntryDesc In the documentation below the following terminology is used: - - @b switch: This is a boolean option which can be given or not, but which - doesn't have any value. We use the word switch to distinguish + - @b switch: a boolean option which can be given or not, but which doesn't have + any value. We use the word @e switch to distinguish such boolean options from more generic options like those described below. For example, @c "-v" might be a switch meaning "enable verbose mode". - - @b option: Option for us here is something which comes with a value 0 - unlike a switch. For example, @c -o: @c filename might be an + - @b option: a switch with a value associated to it. + For example, @c "-o filename" might be an option for specifying the name of the output file. - - @b parameter: This is a required program argument. - - @b text: This is a text which can be shown in usage information. + - @b parameter: a required program argument. @section cmdlineparser_construction Construction @@ -286,6 +336,32 @@ public: */ ~wxCmdLineParser(); + /** + Adds an option with only long form. + + This is just a convenient wrapper for AddOption() passing an empty + string as short option name. + + @since 2.9.3 + */ + void AddLongOption(const wxString& lng, + const wxString& desc = wxEmptyString, + wxCmdLineParamType type = wxCMD_LINE_VAL_STRING, + int flags = 0); + + /** + Adds a switch with only long form. + + This is just a convenient wrapper for AddSwitch() passing an empty + string as short switch name. + + @since 2.9.3 + */ + + void AddLongSwitch(const wxString& lng, + const wxString& desc = wxEmptyString, + int flags = 0); + /** Add an option @a name with an optional long name @a lng (no long name if it is empty, which is default) taking a value of the given type @@ -364,6 +440,26 @@ public: */ bool Found(const wxString& name) const; + /** + Returns whether the switch was found on the command line and whether it + was negated. + + This method can be used for any kind of switch but is especially useful + for switches that can be negated, i.e. were added with + wxCMD_LINE_SWITCH_NEGATABLE flag, as otherwise Found() is simpler to + use. + + However Found() doesn't allow to distinguish between switch specified + normally, i.e. without dash following it, and negated switch, i.e. with + the following dash. This method will return @c wxCMD_SWITCH_ON or @c + wxCMD_SWITCH_OFF depending on whether the switch was negated or not. + And if the switch was not found at all, @c wxCMD_SWITCH_NOT_FOUND is + returned. + + @since 2.9.2 + */ + wxCmdLineSwitchState FoundSwitch(const wxString& name) const; + /** Returns true if an option taking a string value was found and stores the value in the provided pointer (which should not be @NULL).