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2003-06-17 Matthias Clasen <maclas@gmx.de> * acinclude.m4 (JH_PATH_XML_CATALOG, JH_CHECK_XML_CATALOG): New macros to check for XML catalog contents and path, borrowed from gtk-doc. * configure.in: New option --enable-man to enable regeneration of man pages from Docbook, if the necessary tools are found. * gobject/Makefile.am: Add rule to regenerate man pages from Docbook. (man_MANS): Add glib-mkenums.1, glib-genmarshal.1 and gobject-query.1. (content_files): Add glib-mkenums.xml, glib-genmarshal.xml and gobject-query.xml. * gobject/glib-mkenums.xml: * gobject/glib-genmarshal.xml: * gobject/gobject-query.xml: New refentries. * gobject/glib-mkenums.1: * gobject/glib-genmarshal.1: * gobject/gobject-query.1: Man pages generated from the .xml sources. * gobject/gobject-docs.sgml: Include glib-mkenums.xml, glib-genmarshal.xml and gobject-query.xml. * glib/Makefile.am: Add rule to regenerate man pages from Docbook. (man_MANS): Add glib-gettextize.1. (content_files): Add glib-gettextize.xml. * glib/glib-gettextize.xml: New refentry. * glib/glib-gettextize.1: Man page generated from the .xml source. * glib/glib-docs.sgml: Include glib-gettextize.xml.
254 lines
5.1 KiB
Groff
254 lines
5.1 KiB
Groff
.\"Generated by db2man.xsl. Don't modify this, modify the source.
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.de Sh \" Subsection
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.br
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.ne 5
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.PP
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\fB\\$1\fR
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.PP
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..
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.de Sp \" Vertical space (when we can't use .PP)
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.if t .sp .5v
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.if n .sp
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..
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.ie \\n(.$>=3 .ne \\$3
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.el .ne 3
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..
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.TH "GLIB-GENMARSHAL" 1 "" "" ""
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.SH NAME
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glib-genmarshal \- C code marshaller generation utility for GLib closures
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.SH "SYNOPSIS"
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.nf
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\fBglib-genmarshal\fR [options...] [files...]
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.fi
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.SH "DESCRIPTION"
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.PP
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\fBglib-genmarshal\fR is a small utility that generates C code marshallers for callback functions of the GClosure mechanism in the GObject sublibrary of GLib\&. The marshaller functions have a standard signature, they get passed in the invoking closure, an array of value structures holding the callback function parameters and a value structure for the return value of the callback\&. The marshaller is then responsible to call the respective C code function of the closure with all the parameters on the stack and to collect its return value\&.
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.SH "INVOKATION"
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.PP
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\fBglib-genmarshal\fR takes a list of marshallers to generate as input\&. The marshaller list is either read from standard input or from files passed as additional arguments on the command line\&.
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.SS "Options"
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.TP
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\fB--header\fR
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Generate header file contents of the marshallers\&.
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.TP
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\fB--body\fR
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Generate C code file contents of the marshallers\&.
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.TP
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\fB--prefix=string\fR, \fB--prefix string\fR
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Specify marshaller prefix\&. The default prefix is `g_cclosure_marshal'\&.
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.TP
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\fB--skip-source\fR
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Skip source location remarks in generated comments\&.
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.TP
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\fB--nostdinc\fR
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Do not use the standard marshallers of the GObject library, and skip \fIgmarshal\&.h\fR include directive in generated header files\&.
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.TP
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\fB--g-fatal-warnings\fR
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Make warnings fatal, that is, exit immediately once a warning occurs\&.
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.TP
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\fB-h\fR, \fB--help\fR
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Print brief help and exit\&.
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.TP
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\fB-v\fR, \fB--version\fR
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Print version and exit\&.
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.SS "Marshaller list format"
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.PP
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The marshaller lists are processed line by line, a line can contain a comment in the form of
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.nf
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# this is a comment
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.fi
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or a marshaller specification of the form
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.nf
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\fIRTYPE\fR:\fIPTYPE\fR
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\fIRTYPE\fR:\fIPTYPE\fR,\fIPTYPE\fR
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\fIRTYPE\fR:\fIPTYPE\fR,\fIPTYPE\fR,\fIPTYPE\fR
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.fi
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(up to 16 \fIPTYPE\fRs may be present)\&.
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.PP
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The \fIRTYPE\fR part specifies the callback's return type and the \fIPTYPE\fRs right to the colon specify the callback's parameter list, except for the first and the last arguments which are always pointers\&.
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.SS "Parameter types"
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.PP
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Currently, the following types are supported:
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.TP
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\fIVOID\fR
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indicates no return type, or no extra parameters\&. If \fIVOID\fR is used as the parameter list, no additional parameters may be present\&.
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.TP
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\fIBOOLEAN\fR
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for boolean types (gboolean)
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.TP
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\fICHAR\fR
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for signed char types (gchar)
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.TP
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\fIUCHAR\fR
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for unsigned char types (guchar)
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.TP
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\fIINT\fR
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for signed integer types (gint)
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.TP
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\fIUINT\fR
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for unsigned integer types (guint)
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.TP
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\fILONG\fR
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for signed long integer types (glong)
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.TP
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\fIULONG\fR
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for unsigned long integer types (gulong)
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.TP
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\fIENUM\fR
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for enumeration types (gint)
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.TP
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\fIFLAGS\fR
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for flag enumeration types (guint)
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.TP
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\fIFLOAT\fR
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for single-precision float types (gfloat)
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.TP
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\fIDOUBLE\fR
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for double-precision float types (gdouble)
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.TP
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\fISTRING\fR
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for string types (gchar*)
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.TP
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\fIBOXED\fR
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for boxed (anonymous but reference counted) types (GBoxed*)
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.TP
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\fIPARAM\fR
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for GParamSpec or derived types (GParamSpec*)
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.TP
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\fIPOINTER\fR
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for anonymous pointer types (gpointer)
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.TP
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\fIOBJECT\fR
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for GObject or derived types (GObject*)
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.TP
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\fINONE\fR
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deprecated alias for \fIVOID\fR
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.TP
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\fIBOOL\fR
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deprecated alias for \fIBOOLEAN\fR
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.SH "EXAMPLE"
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.PP
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To generate marshallers for the following callback functions:
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.nf
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void foo (gpointer data1,
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gpointer data2);
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void bar (gpointer data1,
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gint param1,
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gpointer data2);
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gfloat baz (gpointer data1,
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gboolean param1,
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guchar param2,
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gpointer data2);
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.fi
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.PP
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The marshaller list has to look like this:
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.nf
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VOID:VOID
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VOID:INT
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FLOAT:BOOLEAN,UCHAR
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.fi
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.PP
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The generated marshallers have the arguments encoded in their function name\&. For this particular list, they are
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.nf
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g_cclosure_marshal_VOID__VOID(),
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g_cclosure_marshal_VOID__INT(),
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g_cclosure_marshal_FLOAT__BOOLEAN_UCHAR()\&.
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.fi
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.PP
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They can be used directly for GClosures or be passed in as the GSignalCMarshaller c_marshaller; argument upon creation of signals:
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.nf
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GClosure *cc_foo, *cc_bar, *cc_baz;
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cc_foo = g_cclosure_new (NULL, foo, NULL);
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g_closure_set_marshal (cc_foo, g_cclosure_marshal_VOID__VOID);
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cc_bar = g_cclosure_new (NULL, bar, NULL);
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g_closure_set_marshal (cc_bar, g_cclosure_marshal_VOID__INT);
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cc_baz = g_cclosure_new (NULL, baz, NULL);
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g_closure_set_marshal (cc_baz, g_cclosure_marshal_FLOAT__BOOLEAN_UCHAR);
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.fi
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.SH "SEE ALSO"
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.PP
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\fBglib-mkenums\fR(1)
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.SH "BUGS"
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.PP
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None known yet\&.
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.SH "AUTHOR"
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.PP
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\fBglib-genmarshal\fR has been written by Tim Janik <timj@gtk\&.org>\&.
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.PP
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This manual page was provided by Tim Janik <timj@gtk\&.org>\&.
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