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vdr/newplugin

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#!/usr/bin/perl -w
# newplugin: Initializing a new plugin source directory
#
# Creates a new plugin source directory from which to start implementing
# a plugin for VDR.
# See the file PLUGINS.html for detailed instructions on how to
# write a plugin.
#
# Usage: newplugin <name>
#
# See the main source file 'vdr.c' for copyright information and
# how to reach the author.
#
# $Id: newplugin 5.1 2021/01/02 14:32:20 kls Exp $
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$PLUGIN_NAME = $ARGV[0] || die "Usage: newplugin <name>\n";
die "Please use only lowercase letters and digits in the plugin name\n" if ($PLUGIN_NAME =~ tr/a-z0-9//c);
$PLUGIN_CLASS = ucfirst($PLUGIN_NAME);
$PLUGIN_VERSION = "0.0.1";
$PLUGIN_DESCRIPTION = "Enter description for '$PLUGIN_NAME' plugin";
$PLUGIN_MAINENTRY = $PLUGIN_CLASS;
$PLUGINS_SRC = "PLUGINS/src";
$README = qq
{This is a "plugin" for the Video Disk Recorder (VDR).
Written by: Your Name <email\@host.dom>
Project's homepage: URL
Latest version available at: URL
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
See the file COPYING for more information.
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Description:
};
$HISTORY_TITLE = "VDR Plugin '$PLUGIN_NAME' Revision History";
$HISTORY_LINE = '-' x length($HISTORY_TITLE);
$HISTORY_DATE = sprintf("%4d-%02d-%02d", (localtime)[5] + 1900, (localtime)[4] + 1, (localtime)[3]);
$HISTORY = qq
{$HISTORY_TITLE
$HISTORY_LINE
$HISTORY_DATE: Version $PLUGIN_VERSION
- Initial revision.
};
$MAKEFILE = qq
{#
# Makefile for a Video Disk Recorder plugin
#
# \$Id\$
# The official name of this plugin.
# This name will be used in the '-P...' option of VDR to load the plugin.
# By default the main source file also carries this name.
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PLUGIN = $PLUGIN_NAME
### The version number of this plugin (taken from the main source file):
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VERSION = \$(shell grep 'static const char \\*VERSION *=' \$(PLUGIN).c | awk '{ print \$\$6 }' | sed -e 's/[";]//g')
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### The directory environment:
# Use package data if installed...otherwise assume we're under the VDR source directory:
PKG_CONFIG ?= pkg-config
PKGCFG = \$(if \$(VDRDIR),\$(shell \$(PKG_CONFIG) --variable=\$(1) \$(VDRDIR)/vdr.pc),\$(shell PKG_CONFIG_PATH="\$\$PKG_CONFIG_PATH:../../.." \$(PKG_CONFIG) --variable=\$(1) vdr))
LIBDIR = \$(call PKGCFG,libdir)
LOCDIR = \$(call PKGCFG,locdir)
PLGCFG = \$(call PKGCFG,plgcfg)
#
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TMPDIR ?= /tmp
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### The compiler options:
export CFLAGS = \$(call PKGCFG,cflags)
export CXXFLAGS = \$(call PKGCFG,cxxflags)
### The version number of VDR's plugin API:
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APIVERSION = \$(call PKGCFG,apiversion)
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### Allow user defined options to overwrite defaults:
-include \$(PLGCFG)
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### The name of the distribution archive:
ARCHIVE = \$(PLUGIN)-\$(VERSION)
PACKAGE = vdr-\$(ARCHIVE)
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### The name of the shared object file:
SOFILE = libvdr-\$(PLUGIN).so
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### Includes and Defines (add further entries here):
INCLUDES +=
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DEFINES += -DPLUGIN_NAME_I18N='"\$(PLUGIN)"'
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### The object files (add further files here):
OBJS = \$(PLUGIN).o
### The main target:
all: \$(SOFILE) i18n
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### Implicit rules:
%.o: %.c
\@echo CC \$\@
\$(Q)\$(CXX) \$(CXXFLAGS) -c \$(DEFINES) \$(INCLUDES) -o \$\@ \$<
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### Dependencies:
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MAKEDEP = \$(CXX) -MM -MG
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DEPFILE = .dependencies
\$(DEPFILE): Makefile
\@\$(MAKEDEP) \$(CXXFLAGS) \$(DEFINES) \$(INCLUDES) \$(OBJS:%.o=%.c) > \$\@
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-include \$(DEPFILE)
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### Internationalization (I18N):
PODIR = po
I18Npo = \$(wildcard \$(PODIR)/*.po)
I18Nmo = \$(addsuffix .mo, \$(foreach file, \$(I18Npo), \$(basename \$(file))))
I18Nmsgs = \$(addprefix \$(DESTDIR)\$(LOCDIR)/, \$(addsuffix /LC_MESSAGES/vdr-\$(PLUGIN).mo, \$(notdir \$(foreach file, \$(I18Npo), \$(basename \$(file))))))
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I18Npot = \$(PODIR)/\$(PLUGIN).pot
%.mo: %.po
\@echo MO \$\@
\$(Q)msgfmt -c -o \$\@ \$<
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\$(I18Npot): \$(wildcard *.c)
\@echo GT \$\@
\$(Q)xgettext -C -cTRANSLATORS --no-wrap --no-location -k -ktr -ktrNOOP --package-name=vdr-\$(PLUGIN) --package-version=\$(VERSION) --msgid-bugs-address='<see README>' -o \$\@ `ls \$^`
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%.po: \$(I18Npot)
\@echo PO \$\@
\$(Q)msgmerge -U --no-wrap --no-location --backup=none -q -N \$\@ \$<
\@touch \$\@
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\$(I18Nmsgs): \$(DESTDIR)\$(LOCDIR)/%/LC_MESSAGES/vdr-\$(PLUGIN).mo: \$(PODIR)/%.mo
install -D -m644 \$< \$\@
.PHONY: i18n
i18n: \$(I18Nmo) \$(I18Npot)
install-i18n: \$(I18Nmsgs)
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### Targets:
\$(SOFILE): \$(OBJS)
\@echo LD \$\@
\$(Q)\$(CXX) \$(CXXFLAGS) \$(LDFLAGS) -shared \$(OBJS) -o \$\@
install-lib: \$(SOFILE)
install -D \$^ \$(DESTDIR)\$(LIBDIR)/\$^.\$(APIVERSION)
install: install-lib install-i18n
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dist: \$(I18Npo) clean
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\@-rm -rf \$(TMPDIR)/\$(ARCHIVE)
\@mkdir \$(TMPDIR)/\$(ARCHIVE)
\@cp -a * \$(TMPDIR)/\$(ARCHIVE)
\@tar czf \$(PACKAGE).tgz -C \$(TMPDIR) \$(ARCHIVE)
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\@-rm -rf \$(TMPDIR)/\$(ARCHIVE)
\@echo Distribution package created as \$(PACKAGE).tgz
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clean:
\@-rm -f \$(PODIR)/*.mo \$(PODIR)/*.pot
\@-rm -f \$(OBJS) \$(DEPFILE) *.so *.tgz core* *~
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};
$MAIN = qq
{/*
* $PLUGIN_NAME.c: A plugin for the Video Disk Recorder
*
* See the README file for copyright information and how to reach the author.
*
* \$Id\$
*/
#include <vdr/plugin.h>
static const char *VERSION = "$PLUGIN_VERSION";
static const char *DESCRIPTION = "$PLUGIN_DESCRIPTION";
static const char *MAINMENUENTRY = "$PLUGIN_MAINENTRY";
class cPlugin$PLUGIN_CLASS : public cPlugin {
private:
// Add any member variables or functions you may need here.
public:
cPlugin$PLUGIN_CLASS(void);
virtual ~cPlugin$PLUGIN_CLASS();
virtual const char *Version(void) { return VERSION; }
virtual const char *Description(void) { return DESCRIPTION; }
virtual const char *CommandLineHelp(void);
virtual bool ProcessArgs(int argc, char *argv[]);
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virtual bool Initialize(void);
virtual bool Start(void);
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virtual void Stop(void);
virtual void Housekeeping(void);
virtual void MainThreadHook(void);
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virtual cString Active(void);
virtual time_t WakeupTime(void);
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virtual const char *MainMenuEntry(void) { return MAINMENUENTRY; }
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virtual cOsdObject *MainMenuAction(void);
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virtual cMenuSetupPage *SetupMenu(void);
virtual bool SetupParse(const char *Name, const char *Value);
virtual bool Service(const char *Id, void *Data = NULL);
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virtual const char **SVDRPHelpPages(void);
virtual cString SVDRPCommand(const char *Command, const char *Option, int &ReplyCode);
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};
cPlugin${PLUGIN_CLASS}::cPlugin$PLUGIN_CLASS(void)
{
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// Initialize any member variables here.
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// DON'T DO ANYTHING ELSE THAT MAY HAVE SIDE EFFECTS, REQUIRE GLOBAL
// VDR OBJECTS TO EXIST OR PRODUCE ANY OUTPUT!
}
cPlugin${PLUGIN_CLASS}::~cPlugin$PLUGIN_CLASS()
{
// Clean up after yourself!
}
const char *cPlugin${PLUGIN_CLASS}::CommandLineHelp(void)
{
// Return a string that describes all known command line options.
return NULL;
}
bool cPlugin${PLUGIN_CLASS}::ProcessArgs(int argc, char *argv[])
{
// Implement command line argument processing here if applicable.
return true;
}
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bool cPlugin${PLUGIN_CLASS}::Initialize(void)
{
// Initialize any background activities the plugin shall perform.
return true;
}
bool cPlugin${PLUGIN_CLASS}::Start(void)
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{
// Start any background activities the plugin shall perform.
return true;
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}
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void cPlugin${PLUGIN_CLASS}::Stop(void)
{
// Stop any background activities the plugin is performing.
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}
void cPlugin${PLUGIN_CLASS}::Housekeeping(void)
{
// Perform any cleanup or other regular tasks.
}
void cPlugin${PLUGIN_CLASS}::MainThreadHook(void)
{
// Perform actions in the context of the main program thread.
// WARNING: Use with great care - see PLUGINS.html!
}
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cString cPlugin${PLUGIN_CLASS}::Active(void)
{
// Return a message string if shutdown should be postponed
return NULL;
}
time_t cPlugin${PLUGIN_CLASS}::WakeupTime(void)
{
// Return custom wakeup time for shutdown script
return 0;
}
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cOsdObject *cPlugin${PLUGIN_CLASS}::MainMenuAction(void)
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{
// Perform the action when selected from the main VDR menu.
return NULL;
}
cMenuSetupPage *cPlugin${PLUGIN_CLASS}::SetupMenu(void)
{
// Return a setup menu in case the plugin supports one.
return NULL;
}
bool cPlugin${PLUGIN_CLASS}::SetupParse(const char *Name, const char *Value)
{
// Parse your own setup parameters and store their values.
return false;
}
bool cPlugin${PLUGIN_CLASS}::Service(const char *Id, void *Data)
{
// Handle custom service requests from other plugins
return false;
}
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const char **cPlugin${PLUGIN_CLASS}::SVDRPHelpPages(void)
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{
// Return help text for SVDRP commands this plugin implements
return NULL;
}
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cString cPlugin${PLUGIN_CLASS}::SVDRPCommand(const char *Command, const char *Option, int &ReplyCode)
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{
// Process SVDRP commands this plugin implements
return NULL;
}
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VDRPLUGINCREATOR(cPlugin$PLUGIN_CLASS); // Don't touch this!
};
$PLUGINDIR = "$PLUGINS_SRC/$PLUGIN_NAME";
die "The directory $PLUGINS_SRC doesn't exist!\n" unless (-d "$PLUGINS_SRC");
die "A plugin named '$PLUGIN_NAME' already exists in $PLUGINS_SRC!\n" if (-e "$PLUGINDIR");
mkdir("$PLUGINDIR") || die "$!";
mkdir("$PLUGINDIR/po") || die "$!";
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CreateFile("README", $README);
CreateFile("HISTORY", $HISTORY);
CreateFile("Makefile", $MAKEFILE);
CreateFile("$PLUGIN_NAME.c", $MAIN);
`cp COPYING "$PLUGINDIR"` if (-e "COPYING");
print qq{
The new plugin source directory has been created in "$PLUGINDIR".
The next steps you should perform now are:
* edit the file "README" to adjust it to your specific implementation
* fill in the code skeleton in "$PLUGIN_NAME.c" to implement your plugin function
* add further source files if necessary
* adapt the "Makefile" if necessary
* do "make plugins" from the VDR source directory to build your plugin
};
sub CreateFile
{
my ($FileName, $Content) = @_;
open(FILE, ">$PLUGINDIR/$FileName") || die "$FileName: $!\n";
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print FILE $Content;
close(FILE);
}