355 lines
7.6 KiB
C
355 lines
7.6 KiB
C
|
||
/*******************************************************************************/
|
||
/* Copyright (C) 2008 Jonathan Moore Liles */
|
||
/* */
|
||
/* 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. */
|
||
/* */
|
||
/* This program is distributed in the hope that it will be useful, but WITHOUT */
|
||
/* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or */
|
||
/* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for */
|
||
/* more details. */
|
||
/* */
|
||
/* You should have received a copy of the GNU General Public License along */
|
||
/* with This program; see the file COPYING. If not,write to the Free Software */
|
||
/* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
||
/*******************************************************************************/
|
||
|
||
/* Routings for opening/closing/creation of projects. All the actual
|
||
project state belongs to Timeline and other classes. */
|
||
|
||
/* Project management routines. */
|
||
|
||
#include <stdio.h>
|
||
#include <stdlib.h>
|
||
#include <string.h>
|
||
#include <sys/types.h>
|
||
#include <sys/stat.h>
|
||
#include <sys/fcntl.h>
|
||
#include <errno.h>
|
||
#include <unistd.h>
|
||
|
||
#include "Loggable.H"
|
||
#include "Project.H"
|
||
|
||
#include <FL/filename.H>
|
||
|
||
#include "const.h"
|
||
#include "debug.h"
|
||
#include "file.h"
|
||
|
||
#include "Mixer.H"
|
||
|
||
const int PROJECT_VERSION = 1;
|
||
|
||
|
||
|
||
const char *Project::_errstr[] =
|
||
{
|
||
"Not a Non-Mixer project",
|
||
"Locked by another process",
|
||
"Access denied",
|
||
"Incompatible project version"
|
||
};
|
||
|
||
char Project::_name[256];
|
||
char Project::_created_on[40];
|
||
char Project::_path[512];
|
||
bool Project::_is_open = false;
|
||
bool Project::_is_opening_closing = false;
|
||
int Project::_lockfd = 0;
|
||
|
||
|
||
|
||
/***********/
|
||
/* Private */
|
||
/***********/
|
||
|
||
void
|
||
Project::set_name ( const char *name )
|
||
{
|
||
strcpy( Project::_name, name );
|
||
|
||
if ( Project::_name[ strlen( Project::_name ) - 1 ] == '/' )
|
||
Project::_name[ strlen( Project::_name ) - 1 ] = '\0';
|
||
|
||
char *s = rindex( Project::_name, '/' );
|
||
|
||
s = s ? s + 1 : Project::_name;
|
||
|
||
memmove( Project::_name, s, strlen( s ) + 1 );
|
||
|
||
for ( s = Project::_name; *s; ++s )
|
||
if ( *s == '_' || *s == '-' )
|
||
*s = ' ';
|
||
}
|
||
|
||
void
|
||
Project::name ( const char *name )
|
||
{
|
||
strcpy( Project::_name, name );
|
||
}
|
||
|
||
bool
|
||
Project::write_info ( void )
|
||
{
|
||
FILE *fp;
|
||
|
||
if ( ! ( fp = fopen( "info", "w" ) ) )
|
||
{
|
||
WARNING( "could not open project info file for writing." );
|
||
return false;
|
||
}
|
||
|
||
char s[40];
|
||
|
||
if ( ! *_created_on )
|
||
{
|
||
time_t t = time( NULL );
|
||
ctime_r( &t, s );
|
||
s[ strlen( s ) - 1 ] = '\0';
|
||
}
|
||
else
|
||
strcpy( s, _created_on );
|
||
|
||
fprintf( fp, "created by\n\t%s\ncreated on\n\t%s\nversion\n\t%d\n",
|
||
APP_TITLE " " VERSION,
|
||
s,
|
||
PROJECT_VERSION );
|
||
|
||
fclose( fp );
|
||
|
||
return true;
|
||
}
|
||
|
||
bool
|
||
Project::read_info ( int *version, char **creation_date, char **created_by )
|
||
{
|
||
FILE *fp;
|
||
|
||
if ( ! ( fp = fopen( "info", "r" ) ) )
|
||
{
|
||
WARNING( "could not open project info file for reading." );
|
||
return false;
|
||
}
|
||
|
||
*version = 0;
|
||
*creation_date = 0;
|
||
*created_by = 0;
|
||
|
||
char *name, *value;
|
||
|
||
while ( fscanf( fp, "%m[^\n]\n\t%m[^\n]\n", &name, &value ) == 2 )
|
||
{
|
||
MESSAGE( "Info: %s = %s", name, value );
|
||
|
||
if ( ! strcmp( name, "version" ) )
|
||
*version = atoi( value );
|
||
else if ( ! strcmp( name, "created on" ) )
|
||
*creation_date = strdup( value );
|
||
else if ( ! strcmp( name, "created by" ) )
|
||
*created_by = strdup( value );
|
||
|
||
free( name );
|
||
free( value );
|
||
}
|
||
|
||
fclose( fp );
|
||
|
||
return true;
|
||
}
|
||
|
||
/**********/
|
||
/* Public */
|
||
/**********/
|
||
|
||
/** Save out any settings and unjournaled state... */
|
||
bool
|
||
Project::save ( void )
|
||
{
|
||
if ( ! open() )
|
||
return true;
|
||
|
||
// tle->save_timeline_settings();
|
||
|
||
int r = mixer->save();
|
||
|
||
// Loggable::clear_dirty();
|
||
|
||
return r;
|
||
// return Loggable::save_unjournaled_state();
|
||
}
|
||
|
||
|
||
/** Close the project (reclaiming all memory) */
|
||
bool
|
||
Project::close ( void )
|
||
{
|
||
if ( ! open() )
|
||
return true;
|
||
|
||
if ( ! save() )
|
||
return false;
|
||
|
||
Project::_is_opening_closing = true;
|
||
|
||
Loggable::close();
|
||
/* // write_info(); */
|
||
|
||
_is_open = false;
|
||
|
||
*Project::_name = '\0';
|
||
*Project::_created_on = '\0';
|
||
|
||
release_lock( &_lockfd, ".lock" );
|
||
|
||
Project::_is_opening_closing = false;
|
||
|
||
return true;
|
||
}
|
||
|
||
/** Ensure a project is valid before opening it... */
|
||
bool
|
||
Project::validate ( const char *name )
|
||
{
|
||
bool r = true;
|
||
|
||
char pwd[512];
|
||
|
||
fl_filename_absolute( pwd, sizeof( pwd ), "." );
|
||
|
||
if ( chdir( name ) )
|
||
{
|
||
WARNING( "Cannot change to project dir \"%s\"", name );
|
||
return false;
|
||
}
|
||
|
||
if ( ! exists( "info" ) ||
|
||
! exists( "snapshot" ))
|
||
{
|
||
WARNING( "Not a Non-Mixer project: \"%s\"", name );
|
||
r = false;
|
||
}
|
||
|
||
chdir( pwd );
|
||
|
||
return r;
|
||
}
|
||
|
||
/** Try to open project /name/. Returns 0 if sucsessful, an error code
|
||
* otherwise */
|
||
int
|
||
Project::open ( const char *name )
|
||
{
|
||
if ( ! validate( name ) )
|
||
return E_INVALID;
|
||
|
||
close();
|
||
|
||
chdir( name );
|
||
|
||
if ( ! acquire_lock( &_lockfd, ".lock" ) )
|
||
return E_LOCKED;
|
||
|
||
int version;
|
||
char *creation_date;
|
||
char *created_by;
|
||
|
||
if ( ! read_info( &version, &creation_date, &created_by ) )
|
||
return E_INVALID;
|
||
|
||
if ( strncmp( created_by, APP_TITLE, strlen( APP_TITLE ) ) )
|
||
return E_INVALID;
|
||
|
||
if ( version != PROJECT_VERSION )
|
||
return E_VERSION;
|
||
|
||
_is_opening_closing = true;
|
||
|
||
if ( ! Loggable::replay( "snapshot" ) )
|
||
return E_INVALID;
|
||
|
||
if ( creation_date )
|
||
{
|
||
strcpy( _created_on, creation_date );
|
||
free( creation_date );
|
||
}
|
||
else
|
||
*_created_on = 0;
|
||
|
||
|
||
getcwd( _path, sizeof( _path ) );
|
||
|
||
set_name( _path );
|
||
|
||
_is_open = true;
|
||
|
||
_is_opening_closing = false;
|
||
// tle->load_timeline_settings();
|
||
|
||
// timeline->zoom_fit();
|
||
|
||
// Loggable::clear_dirty();
|
||
|
||
MESSAGE( "Loaded project \"%s\"", name );
|
||
|
||
return 0;
|
||
}
|
||
|
||
/** Create a new project /name/ from existing template
|
||
* /template_name/ */
|
||
bool
|
||
Project::create ( const char *name, const char *template_name )
|
||
{
|
||
if ( exists( name ) )
|
||
{
|
||
WARNING( "Project already exists" );
|
||
return false;
|
||
}
|
||
|
||
close();
|
||
|
||
if ( mkdir( name, 0777 ) )
|
||
{
|
||
WARNING( "Cannot create project directory: %s", name );
|
||
return false;
|
||
}
|
||
|
||
if ( chdir( name ) )
|
||
{
|
||
FATAL( "WTF? Cannot change to new project directory" );
|
||
return false;
|
||
}
|
||
|
||
// mkdir( "sources", 0777 );
|
||
creat( "snapshot", 0666 );
|
||
|
||
/* TODO: copy template */
|
||
|
||
write_info();
|
||
|
||
if ( open( name ) == 0 )
|
||
{
|
||
// /* add the bare essentials */
|
||
// timeline->beats_per_minute( 0, 120 );
|
||
// timeline->time( 0, 4, 4 );
|
||
|
||
MESSAGE( "Created project \"%s\" from template \"%s\"", name, template_name );
|
||
return true;
|
||
}
|
||
else
|
||
{
|
||
WARNING( "Failed to open newly created project" );
|
||
return false;
|
||
}
|
||
}
|
||
|
||
/** Replace the journal with a snapshot of the current state */
|
||
void
|
||
Project::compact ( void )
|
||
{
|
||
Loggable::compact();
|
||
}
|