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GLIB-MKENUMS(1)			 User Commands		       GLIB-MKENUMS(1)

       glib-mkenums - C language enum description generation utility

       glib-mkenums [OPTION...] [FILE...]

       glib-mkenums is a small perl-script utility that parses C code to
       extract enum definitions and produces enum descriptions based on text
       templates specified by the user. Most frequently this script is used to
       produce C code that contains enum values as strings so programs can
       provide value name strings for introspection.

       glib-mkenums takes a list of valid C code files as input. The options
       specified control the text that is output, certain substitutions are
       performed on the text templates for keywords enclosed in @ characters.

   Production text substitutions
       Certain keywords enclosed in @ characters will be substituted in the
       emitted text. For the substitution examples of the keywords below, the
       following example enum definition is assumed:

	   typedef enum
	     PREFIX_THE_XVALUE	  = 1 << 3,
	   } PrefixTheXEnum;

	   The name of the enum currently being processed, enum names are
	   assumed to be properly namespaced and to use mixed capitalization
	   to separate words (e.g. PrefixTheXEnum).

	   The enum name with words lowercase and word-separated by
	   underscores (e.g. prefix_the_xenum).

	   The enum name with words uppercase and word-separated by
	   underscores (e.g. PREFIX_THE_XENUM).

	   The enum name with words uppercase and word-separated by
	   underscores, prefix stripped (e.g. THE_XENUM).

	   The prefix of the enum name (e.g. PREFIX).

	   The enum value name currently being processed with words uppercase
	   and word-separated by underscores, this is the assumed literal
	   notation of enum values in the C sources (e.g. PREFIX_THE_XVALUE).

	   A nick name for the enum value currently being processed, this is
	   usually generated by stripping common prefix words of all the enum
	   values of the current enum, the words are lowercase and underscores
	   are substituted by a minus (e.g. the-xvalue).

	   The integer value for the enum value currently being processed.
	   This is calculated by using perl to attempt to evaluate the
	   expression as it appears in the C source code. If evaluation fails
	   then glib-mkenums will exit with an error status, but this only
	   happens if @valuenum@ appears in your value production template.
	   (Since: 2.26)

	   This is substituted either by "enum" or "flags", depending on
	   whether the enum value definitions contained bit-shift operators or
	   not (e.g. flags).

	   The same as @type@ with the first letter capitalized (e.g. Flags).

	   The same as @type@ with all letters uppercased (e.g. FLAGS).

	   The name of the input file currently being processed (e.g. foo.h).

	   The base name of the input file currently being processed (e.g.
	   foo.h). (Since: 2.22)

   Trigraph extensions
       Some C comments are treated specially in the parsed enum definitions,
       such comments start out with the trigraph sequence /*< and end with the
       trigraph sequence >*/. Per enum definition, the options "skip" and
       "flags" can be specified, to indicate this enum definition to be
       skipped, or for it to be treated as a flags definition, or to specify
       the common prefix to be stripped from all values to generate value
       nicknames, respectively. The "underscore_name" option can be used to
       specify the word separation used in the *_get_type() function. For
       instance, /*< underscore_name=gnome_vfs_uri_hide_options >*/.

       Per value definition, the options "skip" and "nick" are supported. The
       former causes the value to be skipped, and the latter can be used to
       specify the otherwise auto-generated nickname. Examples:

	   typedef enum /*< skip >*/
	   } PrefixThisEnumWillBeSkipped;
	   typedef enum /*< flags,prefix=PREFIX >*/
	     PREFIX_THE_ZEROTH_VALUE,	 /*< skip >*/
	     PREFIX_THE_THIRD_VALUE,	 /*< nick=the-last-value >*/
	   } PrefixTheFlagsEnum;

       --fhead TEXT
	   Put out TEXT prior to processing input files.

       --fprod TEXT
	   Put out TEXT everytime a new input file is being processed.

       --ftail TEXT
	   Put out TEXT after all input files have been processed.

       --eprod TEXT
	   Put out TEXT everytime an enum is encountered in the input files.

       --vhead TEXT
	   Put out TEXT before iterating over the set of values of an enum.

       --vprod TEXT
	   Put out TEXT for every value of an enum.

       --vtail TEXT
	   Put out TEXT after iterating over all values of an enum.

       --comments TEXT
	   Template for auto-generated comments, the default (for C code
	   generations) is "/* @comment@ */".

       --template FILE
	   Read templates from the given file. The templates are enclosed in
	   specially-formatted C comments

	       /*** BEGIN section ***/
	       /*** END section ***/

	   where section may be file-header, file-production, file-tail,
	   enumeration-production, value-header, value-production, value-tail
	   or comment.

       --identifier-prefix PREFIX
	   Indicates what portion of the enum name should be intepreted as the
	   prefix (eg, the "Gtk" in "GtkDirectionType"). Normally this will be
	   figured out automatically, but you may need to override the default
	   if your namespace is capitalized oddly.

       --symbol-prefix PREFIX
	   Indicates what prefix should be used to correspond to the
	   identifier prefix in related C function names (eg, the "gtk" in
	   "gtk_direction_type_get_type". Equivalently, this is the lowercase
	   version of the prefix component of the enum value names (eg, the
	   "GTK" in "GTK_DIR_UP". The default value is the identifier prefix,
	   converted to lowercase.

	   Print brief help and exit.

	   Print version and exit.


GObject							       GLIB-MKENUMS(1)

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