*
* Copyright (C) 2003-2005, Evan Battaglia <gtoevan@gmx.net>
* Copyright (C) 2006, Quy Tonthat <qtonthat@gmail.com>
+ * Copyright (C) 2013, Guilhem Bonnefille <guilhem.bonnefille@gmail.com>
+ * Copyright (C) 2015, Rob Norris <rw_norris@hotmail.com>
*
* 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
* SECTION:babel
* @short_description: running external programs and redirecting to TRWLayers.
*
- * GPSBabel may not be necessary for everything -- for instance,
- * use a_babel_convert_from_shellcommand() with input_file_type == %NULL
- * for an external program that outputs GPX.
+ * GPSBabel may not be necessary for everything,
+ * one can use shell_command option but this will be OS platform specific
*/
#ifdef HAVE_CONFIG_H
#include "viking.h"
#include "gpx.h"
#include "babel.h"
+#include "preferences.h"
#include <stdio.h>
-#ifdef HAVE_SYS_WAIT_H
-#include <sys/wait.h>
-#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <string.h>
#include <glib.h>
#include <glib/gstdio.h>
+#include <glib/gi18n.h>
/* TODO in the future we could have support for other shells (change command strings), or not use a shell at all */
#define BASH_LOCATION "/bin/bash"
*/
GList *a_babel_device_list;
+/**
+ * Run a function on all file formats supporting a given mode.
+ */
+void a_babel_foreach_file_with_mode (BabelMode mode, GFunc func, gpointer user_data)
+{
+ GList *current;
+ for ( current = g_list_first (a_babel_file_list) ;
+ current != NULL ;
+ current = g_list_next (current) )
+ {
+ BabelFile *currentFile = current->data;
+ /* Check compatibility of modes */
+ gboolean compat = TRUE;
+ if (mode.waypointsRead && ! currentFile->mode.waypointsRead) compat = FALSE;
+ if (mode.waypointsWrite && ! currentFile->mode.waypointsWrite) compat = FALSE;
+ if (mode.tracksRead && ! currentFile->mode.tracksRead) compat = FALSE;
+ if (mode.tracksWrite && ! currentFile->mode.tracksWrite) compat = FALSE;
+ if (mode.routesRead && ! currentFile->mode.routesRead) compat = FALSE;
+ if (mode.routesWrite && ! currentFile->mode.routesWrite) compat = FALSE;
+ /* Do call */
+ if (compat)
+ func (currentFile, user_data);
+ }
+}
+
+/**
+ * a_babel_foreach_file_read_any:
+ * @func: The function to be called on any file format with a read method
+ * @user_data: Data passed into the function
+ *
+ * Run a function on all file formats with any kind of read method
+ * (which is almost all but not quite - e.g. with GPSBabel v1.4.4 - PalmDoc is write only waypoints)
+ */
+void a_babel_foreach_file_read_any (GFunc func, gpointer user_data)
+{
+ GList *current;
+ for ( current = g_list_first (a_babel_file_list) ;
+ current != NULL ;
+ current = g_list_next (current) )
+ {
+ BabelFile *currentFile = current->data;
+ // Call function when any read mode found
+ if ( currentFile->mode.waypointsRead ||
+ currentFile->mode.tracksRead ||
+ currentFile->mode.routesRead)
+ func (currentFile, user_data);
+ }
+}
+
/**
* a_babel_convert:
* @vt: The TRW layer to modify. All data will be deleted, and replaced by what gpsbabel outputs.
* @babelargs: A string containing gpsbabel command line filter options. No file types or names should
* be specified.
* @cb: A callback function.
+ * @user_data: passed along to cb
+ * @not_used: Must use NULL
*
* This function modifies data in a trw layer using gpsbabel filters. This routine is synchronous;
* that is, it will block the calling program until the conversion is done. To avoid blocking, call
*
* Returns: %TRUE on success
*/
-gboolean a_babel_convert( VikTrwLayer *vt, const char *babelargs, BabelStatusFunc cb, gpointer user_data )
+gboolean a_babel_convert( VikTrwLayer *vt, const char *babelargs, BabelStatusFunc cb, gpointer user_data, gpointer not_used )
{
- int fd_src;
- FILE *f;
- gchar *name_src = NULL;
gboolean ret = FALSE;
gchar *bargs = g_strconcat(babelargs, " -i gpx", NULL);
+ gchar *name_src = a_gpx_write_tmp_file ( vt, NULL );
- if ((fd_src = g_file_open_tmp("tmp-viking.XXXXXX", &name_src, NULL)) >= 0) {
- f = fdopen(fd_src, "w");
- a_gpx_write_file(vt, f);
- fclose(f);
- f = NULL;
- ret = a_babel_convert_from ( vt, bargs, name_src, cb, user_data );
- g_remove(name_src);
+ if ( name_src ) {
+ ProcessOptions po = { bargs, name_src, NULL, NULL, NULL };
+ ret = a_babel_convert_from ( vt, &po, cb, user_data, not_used );
+ (void)g_remove(name_src);
g_free(name_src);
}
return ret;
}
-#ifdef WINDOWS
-static gboolean babel_general_convert( BabelStatusFunc cb, gchar **args, gpointer user_data )
+/**
+ * Perform any cleanup actions once GPSBabel has completed running
+ */
+static void babel_watch ( GPid pid,
+ gint status,
+ gpointer user_data )
{
- gboolean ret;
- FILE *f;
- gchar *cmd;
- gchar **args2;
-
- STARTUPINFO si;
- PROCESS_INFORMATION pi;
-
- ZeroMemory( &si, sizeof(si) );
- ZeroMemory( &pi, sizeof(pi) );
- si.cb = sizeof(si);
- si.dwFlags = STARTF_USESHOWWINDOW;
- si.wShowWindow = SW_HIDE;
-
- cmd = g_strjoinv( " ", args);
- args2 = g_strsplit(cmd, "\\", 0);
- g_free(cmd);
- cmd = g_strjoinv( "\\\\", args2);
- g_free(args2);
- args2 = g_strsplit(cmd, "/", 0);
- g_free(cmd);
- cmd = g_strjoinv( "\\\\", args2);
-
- if( !CreateProcess(
- NULL, // No module name (use command line).
- (LPTSTR)cmd, // Command line.
- NULL, // Process handle not inheritable.
- NULL, // Thread handle not inheritable.
- FALSE, // Set handle inheritance to FALSE.
- 0, // No creation flags.
- NULL, // Use parent's environment block.
- NULL, // Use parent's starting directory.
- &si, // Pointer to STARTUPINFO structure.
- &pi ) // Pointer to PROCESS_INFORMATION structure.
- ){
- g_error ( "CreateProcess failed" );
- ret = FALSE;
- }
- else {
- WaitForSingleObject(pi.hProcess, INFINITE);
- WaitForSingleObject(pi.hThread, INFINITE);
-
- CloseHandle(pi.hThread);
- CloseHandle(pi.hProcess);
-
- if ( cb )
- cb(BABEL_DONE, NULL, user_data);
-
- ret = TRUE;
- }
-
- g_strfreev( args2 );
- g_free( cmd );
-
- return ret;
+ g_spawn_close_pid ( pid );
}
-/* Windows */
-#else
-/* Posix */
+
+/**
+ * babel_general_convert:
+ * @args: The command line arguments passed to GPSBabel
+ * @cb: callback that is run for each line of GPSBabel output and at completion of the run
+ * callback may be NULL
+ * @user_data: passed along to cb
+ *
+ * The function to actually invoke the GPSBabel external command
+ *
+ * Returns: %TRUE on successful invocation of GPSBabel command
+ */
static gboolean babel_general_convert( BabelStatusFunc cb, gchar **args, gpointer user_data )
{
gboolean ret = FALSE;
GError *error = NULL;
gint babel_stdout;
- if (!g_spawn_async_with_pipes (NULL, args, NULL, 0, NULL, NULL, &pid, NULL, &babel_stdout, NULL, &error)) {
- g_error("Async command failed: %s", error->message);
+ if ( vik_debug ) {
+ for ( guint i=0; args[i]; i++ )
+ g_debug ("%s: %s", __FUNCTION__, args[i] );
+ }
+
+ if (!g_spawn_async_with_pipes (NULL, args, NULL, G_SPAWN_DO_NOT_REAP_CHILD, NULL, NULL, &pid, NULL, &babel_stdout, NULL, &error)) {
+ g_warning ("Async command failed: %s", error->message);
g_error_free(error);
ret = FALSE;
} else {
cb(BABEL_DONE, NULL, user_data);
fclose(diag);
diag = NULL;
- waitpid(pid, NULL, 0);
- g_spawn_close_pid(pid);
+
+ g_child_watch_add ( pid, (GChildWatchFunc) babel_watch, NULL );
ret = TRUE;
}
return ret;
}
-#endif /* Posix */
/**
* babel_general_convert_from:
f = g_fopen(name_dst, "r");
if (f) {
- a_gpx_read_file ( vt, f );
+ ret = a_gpx_read_file ( vt, f );
fclose(f);
f = NULL;
- ret = TRUE;
}
}
}
/**
- * a_babel_convert_from:
- * @vt: The TRW layer to place data into. Duplicate items will be overwritten.
- * @babelargs: A string containing gpsbabel command line options. In addition to any filters, this string
- * must include the input file type (-i) option.
- * @cb: Optional callback function. Same usage as in a_babel_convert().
+ * a_babel_convert_from_filter:
+ * @vt: The TRW layer to place data into. Duplicate items will be overwritten.
+ * @babelargs: A string containing gpsbabel command line options. This string
+ * must include the input file type (-i) option.
+ * @from the file name to convert from
+ * @babelfilters: A string containing gpsbabel filter command line options
+ * @cb: Optional callback function. Same usage as in a_babel_convert().
+ * @user_data: passed along to cb
+ * @not_used: Must use NULL
*
* Loads data into a trw layer from a file, using gpsbabel. This routine is synchronous;
* that is, it will block the calling program until the conversion is done. To avoid blocking, call
*
* Returns: %TRUE on success
*/
-gboolean a_babel_convert_from( VikTrwLayer *vt, const char *babelargs, const char *from, BabelStatusFunc cb, gpointer user_data )
+gboolean a_babel_convert_from_filter( VikTrwLayer *vt, const char *babelargs, const char *from, const char *babelfilters, BabelStatusFunc cb, gpointer user_data, gpointer not_used )
{
int i,j;
int fd_dst;
gchar *args[64];
if ((fd_dst = g_file_open_tmp("tmp-viking.XXXXXX", &name_dst, NULL)) >= 0) {
+ g_debug ("%s: temporary file: %s", __FUNCTION__, name_dst);
close(fd_dst);
if (gpsbabel_loc ) {
gchar **sub_args = g_strsplit(babelargs, " ", 0);
+ gchar **sub_filters = NULL;
i = 0;
if (unbuffer_loc)
if (sub_args[j][0] != '\0')
args[i++] = sub_args[j];
}
- args[i++] = "-o";
- args[i++] = "gpx";
args[i++] = "-f";
args[i++] = (char *)from;
+ if (babelfilters) {
+ sub_filters = g_strsplit(babelfilters, " ", 0);
+ for (j = 0; sub_filters[j]; j++) {
+ /* some version of gpsbabel can not take extra blank arg */
+ if (sub_filters[j][0] != '\0')
+ args[i++] = sub_filters[j];
+ }
+ }
+ args[i++] = "-o";
+ args[i++] = "gpx";
args[i++] = "-F";
args[i++] = name_dst;
args[i] = NULL;
ret = babel_general_convert_from ( vt, cb, args, name_dst, user_data );
g_strfreev(sub_args);
+ if (sub_filters)
+ g_strfreev(sub_filters);
} else
- g_error("gpsbabel not found in PATH");
- g_remove(name_dst);
+ g_critical("gpsbabel not found in PATH");
+ (void)g_remove(name_dst);
g_free(name_dst);
}
/**
* a_babel_convert_from_shellcommand:
+ * @vt: The #VikTrwLayer where to insert the collected data
+ * @input_cmd: the command to run
+ * @input_file_type:
+ * @cb: Optional callback function. Same usage as in a_babel_convert().
+ * @user_data: passed along to cb
+ * @not_used: Must use NULL
*
* Runs the input command in a shell (bash) and optionally uses GPSBabel to convert from input_file_type.
* If input_file_type is %NULL, doesn't use GPSBabel. Input must be GPX (or Geocaching *.loc)
* Uses babel_general_convert_from() to actually run the command. This function
* prepares the command and temporary file, and sets up the arguments for bash.
*/
-gboolean a_babel_convert_from_shellcommand ( VikTrwLayer *vt, const char *input_cmd, const char *input_file_type, BabelStatusFunc cb, gpointer user_data )
+gboolean a_babel_convert_from_shellcommand ( VikTrwLayer *vt, const char *input_cmd, const char *input_file_type, BabelStatusFunc cb, gpointer user_data, gpointer not_used )
{
int fd_dst;
gchar *name_dst = NULL;
gchar **args;
if ((fd_dst = g_file_open_tmp("tmp-viking.XXXXXX", &name_dst, NULL)) >= 0) {
+ g_debug ("%s: temporary file: %s", __FUNCTION__, name_dst);
gchar *shell_command;
if ( input_file_type )
shell_command = g_strdup_printf("%s | %s -i %s -f - -o gpx -F %s",
ret = babel_general_convert_from ( vt, cb, args, name_dst, user_data );
g_free ( args );
g_free ( shell_command );
- g_remove(name_dst);
+ (void)g_remove(name_dst);
g_free(name_dst);
}
return ret;
}
-gboolean a_babel_convert_from_url ( VikTrwLayer *vt, const char *url, const char *input_type, BabelStatusFunc cb, gpointer user_data )
+/**
+ * a_babel_convert_from_url_filter:
+ * @vt: The #VikTrwLayer where to insert the collected data
+ * @url: the URL to fetch
+ * @input_type: If input_type is %NULL, input must be GPX.
+ * @babelfilters: The filter arguments to pass to gpsbabel
+ * @cb: Optional callback function. Same usage as in a_babel_convert().
+ * @user_data: Passed along to cb
+ * @options: Download options. If %NULL then default download options will be used.
+ *
+ * Download the file pointed by the URL and optionally uses GPSBabel to convert from input_type.
+ * If input_type and babelfilters are %NULL, gpsbabel is not used.
+ *
+ * Returns: %TRUE on successful invocation of GPSBabel or read of the GPX
+ *
+ */
+gboolean a_babel_convert_from_url_filter ( VikTrwLayer *vt, const char *url, const char *input_type, const char *babelfilters, BabelStatusFunc cb, gpointer user_data, DownloadMapOptions *options )
{
- static DownloadMapOptions options = { FALSE, FALSE, NULL, 0, a_check_kml_file};
+ // If no download options specified, use defaults:
+ DownloadMapOptions myoptions = { FALSE, FALSE, NULL, 2, NULL, NULL, NULL };
+ if ( options )
+ myoptions = *options;
gint fd_src;
int fetch_ret;
gboolean ret = FALSE;
g_debug("%s: input_type=%s url=%s", __FUNCTION__, input_type, url);
if ((fd_src = g_file_open_tmp("tmp-viking.XXXXXX", &name_src, NULL)) >= 0) {
+ g_debug ("%s: temporary file: %s", __FUNCTION__, name_src);
close(fd_src);
- g_remove(name_src);
+ (void)g_remove(name_src);
- babelargs = g_strdup_printf(" -i %s", input_type);
-
- fetch_ret = a_http_download_get_url(url, "", name_src, &options, NULL);
- if (fetch_ret == 0)
- ret = a_babel_convert_from( vt, babelargs, name_src, NULL, NULL);
-
- g_remove(name_src);
+ fetch_ret = a_http_download_get_url(url, "", name_src, &myoptions, NULL);
+ if (fetch_ret == DOWNLOAD_SUCCESS) {
+ if (input_type != NULL || babelfilters != NULL) {
+ babelargs = (input_type) ? g_strdup_printf(" -i %s", input_type) : g_strdup("");
+ ret = a_babel_convert_from_filter( vt, babelargs, name_src, babelfilters, NULL, NULL, NULL );
+ } else {
+ /* Process directly the retrieved file */
+ g_debug("%s: directly read GPX file %s", __FUNCTION__, name_src);
+ FILE *f = g_fopen(name_src, "r");
+ if (f) {
+ ret = a_gpx_read_file ( vt, f );
+ fclose(f);
+ f = NULL;
+ }
+ }
+ }
+ (void)util_remove(name_src);
g_free(babelargs);
g_free(name_src);
}
return ret;
}
-static gboolean babel_general_convert_to( VikTrwLayer *vt, BabelStatusFunc cb, gchar **args, const gchar *name_src, gpointer user_data )
+/**
+ * a_babel_convert_from:
+ * @vt: The TRW layer to place data into. Duplicate items will be overwritten.
+ * @process_options: The options to control the appropriate processing function. See #ProcessOptions for more detail
+ * @cb: Optional callback function. Same usage as in a_babel_convert().
+ * @user_data: passed along to cb
+ * @download_options: If downloading from a URL use these options (may be NULL)
+ *
+ * Loads data into a trw layer from a file, using gpsbabel. This routine is synchronous;
+ * that is, it will block the calling program until the conversion is done. To avoid blocking, call
+ * this routine from a worker thread.
+ *
+ * Returns: %TRUE on success
+ */
+gboolean a_babel_convert_from ( VikTrwLayer *vt, ProcessOptions *process_options, BabelStatusFunc cb, gpointer user_data, gpointer download_options )
{
- if (!a_file_export(vt, name_src, FILE_TYPE_GPX, NULL)) {
- g_error("Error exporting to %s", name_src);
+ if ( !process_options ) return FALSE;
+ if ( process_options->url )
+ return a_babel_convert_from_url_filter ( vt, process_options->url, process_options->input_file_type, process_options->babel_filters, cb, user_data, download_options );
+ if ( process_options->babelargs )
+ return a_babel_convert_from_filter ( vt, process_options->babelargs, process_options->filename, process_options->babel_filters, cb, user_data, download_options );
+ if ( process_options->shell_command )
+ return a_babel_convert_from_shellcommand ( vt, process_options->shell_command, process_options->filename, cb, user_data, download_options );
+ return FALSE;
+}
+
+static gboolean babel_general_convert_to( VikTrwLayer *vt, VikTrack *trk, BabelStatusFunc cb, gchar **args, const gchar *name_src, gpointer user_data )
+{
+ // Now strips out invisible tracks and waypoints
+ if (!a_file_export(vt, name_src, FILE_TYPE_GPX, trk, FALSE)) {
+ g_critical("Error exporting to %s", name_src);
return FALSE;
}
return babel_general_convert (cb, args, user_data);
}
-gboolean a_babel_convert_to( VikTrwLayer *vt, const char *babelargs, const char *to, BabelStatusFunc cb, gpointer user_data )
+/**
+ * a_babel_convert_to:
+ * @vt: The TRW layer from which data is taken.
+ * @track: Operate on the individual track if specified. Use NULL when operating on a TRW layer
+ * @babelargs: A string containing gpsbabel command line options. In addition to any filters, this string
+ * must include the input file type (-i) option.
+ * @to: Filename or device the data is written to.
+ * @cb: Optional callback function. Same usage as in a_babel_convert.
+ * @user_data: passed along to cb
+ *
+ * Exports data using gpsbabel. This routine is synchronous;
+ * that is, it will block the calling program until the conversion is done. To avoid blocking, call
+ * this routine from a worker thread.
+ *
+ * Returns: %TRUE on successful invocation of GPSBabel command
+ */
+gboolean a_babel_convert_to( VikTrwLayer *vt, VikTrack *track, const char *babelargs, const char *to, BabelStatusFunc cb, gpointer user_data )
{
int i,j;
int fd_src;
gchar *args[64];
if ((fd_src = g_file_open_tmp("tmp-viking.XXXXXX", &name_src, NULL)) >= 0) {
+ g_debug ("%s: temporary file: %s", __FUNCTION__, name_src);
close(fd_src);
if (gpsbabel_loc ) {
args[i++] = (char *)to;
args[i] = NULL;
- ret = babel_general_convert_to ( vt, cb, args, name_src, user_data );
+ ret = babel_general_convert_to ( vt, track, cb, args, name_src, user_data );
g_strfreev(sub_args);
} else
- g_error("gpsbabel not found in PATH");
- g_remove(name_src);
+ g_critical("gpsbabel not found in PATH");
+ (void)g_remove(name_src);
g_free(name_src);
}
return ret;
}
-static void set_mode(BabelMode mode, gchar *smode)
+static void set_mode(BabelMode *mode, gchar *smode)
{
- mode.waypointsRead = smode[0] == 'r';
- mode.waypointsWrite = smode[1] == 'w';
- mode.tracksRead = smode[2] == 'r';
- mode.tracksWrite = smode[3] == 'w';
- mode.routesRead = smode[4] == 'r';
- mode.routesWrite = smode[5] == 'w';
+ mode->waypointsRead = smode[0] == 'r';
+ mode->waypointsWrite = smode[1] == 'w';
+ mode->tracksRead = smode[2] == 'r';
+ mode->tracksWrite = smode[3] == 'w';
+ mode->routesRead = smode[4] == 'r';
+ mode->routesWrite = smode[5] == 'w';
}
/**
- * load_feature:
+ * load_feature_parse_line:
*
* Load a single feature stored in the given line.
*/
&& tokens[3] != NULL
&& tokens[4] != NULL ) {
BabelDevice *device = g_malloc ( sizeof (BabelDevice) );
- set_mode (device->mode, tokens[1]);
+ set_mode (&(device->mode), tokens[1]);
device->name = g_strdup (tokens[2]);
- device->label = g_strdup (tokens[4]);
+ device->label = g_strndup (tokens[4], 50); // Limit really long label text
a_babel_device_list = g_list_append (a_babel_device_list, device);
- g_debug ("New gpsbabel device: %s", device->name);
+ g_debug ("New gpsbabel device: %s, %d%d%d%d%d%d(%s)",
+ device->name,
+ device->mode.waypointsRead, device->mode.waypointsWrite,
+ device->mode.tracksRead, device->mode.tracksWrite,
+ device->mode.routesRead, device->mode.routesWrite,
+ tokens[1]);
} else {
g_warning ( "Unexpected gpsbabel format string: %s", line);
}
&& tokens[3] != NULL
&& tokens[4] != NULL ) {
BabelFile *file = g_malloc ( sizeof (BabelFile) );
- set_mode (file->mode, tokens[1]);
+ set_mode (&(file->mode), tokens[1]);
file->name = g_strdup (tokens[2]);
file->ext = g_strdup (tokens[3]);
file->label = g_strdup (tokens[4]);
a_babel_file_list = g_list_append (a_babel_file_list, file);
- g_debug ("New gpsbabel file: %s", file->name);
+ g_debug ("New gpsbabel file: %s, %d%d%d%d%d%d(%s)",
+ file->name,
+ file->mode.waypointsRead, file->mode.waypointsWrite,
+ file->mode.tracksRead, file->mode.tracksWrite,
+ file->mode.routesRead, file->mode.routesWrite,
+ tokens[1]);
} else {
g_warning ( "Unexpected gpsbabel format string: %s", line);
}
ret = babel_general_convert (load_feature_cb, args, NULL);
} else
- g_error("gpsbabel not found in PATH");
+ g_critical("gpsbabel not found in PATH");
return ret;
}
+static VikLayerParam prefs[] = {
+ { VIK_LAYER_NUM_TYPES, VIKING_PREFERENCES_IO_NAMESPACE "gpsbabel", VIK_LAYER_PARAM_STRING, VIK_LAYER_GROUP_NONE, N_("GPSBabel:"), VIK_LAYER_WIDGET_FILEENTRY, NULL, NULL,
+ N_("Allow setting the specific instance of GPSBabel. You must restart Viking for this value to take effect."), NULL, NULL, NULL },
+};
+
+/**
+ * a_babel_init:
+ *
+ * Just setup preferences first
+ */
void a_babel_init ()
{
- /* TODO allow to set gpsbabel path via command line */
- gpsbabel_loc = g_find_program_in_path( "gpsbabel" );
- if ( !gpsbabel_loc )
- g_error( "gpsbabel not found in PATH" );
+ // Set the defaults
+ VikLayerParamData vlpd;
+#ifdef WINDOWS
+ // Basic guesses - could use %ProgramFiles% but this is simpler:
+ if ( g_file_test ( "C:\\Program Files (x86)\\GPSBabel\\gpsbabel.exe", G_FILE_TEST_EXISTS ) )
+ // 32 bit location on a 64 bit system
+ vlpd.s = "C:\\Program Files (x86)\\GPSBabel\\gpsbabel.exe";
+ else
+ vlpd.s = "C:\\Program Files\\GPSBabel\\gpsbabel.exe";
+#else
+ vlpd.s = "gpsbabel";
+#endif
+ a_preferences_register(&prefs[0], vlpd, VIKING_PREFERENCES_IO_GROUP_KEY);
+}
+
+/**
+ * a_babel_post_init:
+ *
+ * Initialises babel module.
+ * Mainly check existence of gpsbabel progam
+ * and load all features available in that version.
+ */
+void a_babel_post_init ()
+{
+ // Read the current preference
+ const gchar *gpsbabel = a_preferences_get(VIKING_PREFERENCES_IO_NAMESPACE "gpsbabel")->s;
+ // If setting is still the UNIX default then lookup in the path - otherwise attempt to use the specified value directly.
+ if ( g_strcmp0 ( gpsbabel, "gpsbabel" ) == 0 ) {
+ gpsbabel_loc = g_find_program_in_path( "gpsbabel" );
+ if ( !gpsbabel_loc )
+ g_critical( "gpsbabel not found in PATH" );
+ }
+ else
+ gpsbabel_loc = (gchar*)gpsbabel;
+
+ // Unlikely to package unbuffer on Windows so ATM don't even bother trying
+ // Highly unlikely unbuffer is available on a Windows system otherwise
+#ifndef WINDOWS
unbuffer_loc = g_find_program_in_path( "unbuffer" );
if ( !unbuffer_loc )
g_warning( "unbuffer not found in PATH" );
+#endif
load_feature ();
}
+/**
+ * a_babel_uninit:
+ *
+ * Free resources acquired by a_babel_init.
+ */
void a_babel_uninit ()
{
g_free ( gpsbabel_loc );
}
}
+
+/**
+ * a_babel_available:
+ *
+ * Indicates if babel is available or not.
+ *
+ * Returns: true if babel available
+ */
+gboolean a_babel_available ()
+{
+ return a_babel_device_list != NULL;
+}
projects / andy / viking.git / blobdiff