* viking -- GPS Data and Topo Analyzer, Explorer, and Manager
*
* 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
*
*/
-/* babel.c: 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.
+/**
+ * SECTION:babel
+ * @short_description: running external programs and redirecting to TRWLayers.
+ *
+ * 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>
-#include <sys/wait.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
+#include <string.h>
#include <glib.h>
#include <glib/gstdio.h>
+#include <glib/gi18n.h>
-/* in the future we could have support for other shells (change command strings), or not use a shell at all */
+/* 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"
-gboolean a_babel_convert( VikTrwLayer *vt, const char *babelargs, BabelStatusFunc cb, gpointer user_data )
+/**
+ * Path to gpsbabel
+ */
+static gchar *gpsbabel_loc = NULL;
+
+/**
+ * Path to unbuffer
+ */
+static gchar *unbuffer_loc = NULL;
+
+/**
+ * List of file formats supported by gpsbabel.
+ */
+GList *a_babel_file_list;
+
+/**
+ * List of device supported by gpsbabel.
+ */
+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
+ * this routine from a worker thread.
+ *
+ * Returns: %TRUE on success
+ */
+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;
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) {
- ret = FALSE;
- } else {
- f = fdopen(fd_src, "w");
- a_gpx_write_file(vt, f);
- fclose(f);
- f = NULL;
- ret = a_babel_convert_from ( vt, bargs, cb, name_src, user_data );
+ 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);
}
g_free(bargs);
- g_remove(name_src);
- g_free(name_src);
return ret;
}
-/* Runs args[0] with the arguments and uses the GPX module
- * to import the GPX data into layer vt. Assumes that upon
- * running the command, the data will appear in the (usually
- * temporary) file name_dst.
+/**
+ * Perform any cleanup actions once GPSBabel has completed running
+ */
+static void babel_watch ( GPid pid,
+ gint status,
+ gpointer user_data )
+{
+ g_spawn_close_pid ( pid );
+}
+
+/**
+ * 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
*
- * cb: callback that is run upon new data from STDOUT (?)
- * (TODO: STDERR would be nice since we usually redirect STDOUT)
- * user_data: passed along to cb
+ * The function to actually invoke the GPSBabel external command
*
- * returns TRUE on success
+ * Returns: %TRUE on successful invocation of GPSBabel command
*/
-gboolean babel_general_convert_from( VikTrwLayer *vt, BabelStatusFunc cb, gchar **args, const gchar *name_dst, gpointer user_data )
+static gboolean babel_general_convert( BabelStatusFunc cb, gchar **args, gpointer user_data )
{
- gboolean ret;
+ gboolean ret = FALSE;
GPid pid;
- gint babel_stdin, babel_stdout, babel_stderr;
- FILE *f;
+ GError *error = NULL;
+ gint babel_stdout;
+ 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, 0, NULL, NULL, &pid, &babel_stdin, &babel_stdout, &babel_stderr, NULL)) {
- // if (!g_spawn_async_with_pipes (NULL, args, NULL, 0, NULL, NULL, NULL, &babel_stdin, &babel_stdout, NULL, NULL)) {
+ 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 {
+
gchar line[512];
FILE *diag;
diag = fdopen(babel_stdout, "r");
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;
+}
+
+/**
+ * babel_general_convert_from:
+ * @vtl: The TrackWaypoint Layer to save the data into
+ * If it is null it signifies that no data is to be processed,
+ * however the gpsbabel command is still ran as it can be for non-data related options eg:
+ * for use with the power off command - 'command_off'
+ * @cb: callback that is run upon new data from STDOUT (?)
+ * (TODO: STDERR would be nice since we usually redirect STDOUT)
+ * @user_data: passed along to cb
+ *
+ * Runs args[0] with the arguments and uses the GPX module
+ * to import the GPX data into layer vt. Assumes that upon
+ * running the command, the data will appear in the (usually
+ * temporary) file name_dst.
+ *
+ * Returns: %TRUE on success
+ */
+static gboolean babel_general_convert_from( VikTrwLayer *vt, BabelStatusFunc cb, gchar **args, const gchar *name_dst, gpointer user_data )
+{
+ gboolean ret = FALSE;
+ FILE *f = NULL;
+
+ if (babel_general_convert(cb, args, user_data)) {
+
+ /* No data actually required but still need to have run gpsbabel anyway
+ - eg using the device power command_off */
+ if ( vt == NULL )
+ return TRUE;
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;
- } else
- ret = FALSE;
+ }
}
return ret;
}
-gboolean a_babel_convert_from( VikTrwLayer *vt, const char *babelargs, BabelStatusFunc cb, const char *from, gpointer user_data )
+/**
+ * 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
+ * this routine from a worker thread.
+ *
+ * Returns: %TRUE on success
+ */
+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 *name_dst;
- gchar *cmd;
+ gchar *name_dst = NULL;
gboolean ret = FALSE;
- gchar **args;
+ gchar *args[64];
- if ((fd_dst = g_file_open_tmp("tmp-viking.XXXXXX", &name_dst, NULL)) < 0) {
- ret = FALSE;
- } else {
- gchar *gpsbabel_loc;
+ 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);
- gpsbabel_loc = g_find_program_in_path("gpsbabel");
-
if (gpsbabel_loc ) {
- gchar *unbuffer_loc = g_find_program_in_path("unbuffer");
- cmd = g_strdup_printf ( "%s%s%s %s -o gpx %s %s",
- unbuffer_loc ? unbuffer_loc : "",
- unbuffer_loc ? " " : "",
- gpsbabel_loc,
- babelargs,
- from,
- name_dst );
-
- if ( unbuffer_loc )
- g_free ( unbuffer_loc );
-
- args = g_strsplit(cmd, " ", 0);
+ gchar **sub_args = g_strsplit(babelargs, " ", 0);
+ gchar **sub_filters = NULL;
+
+ i = 0;
+ if (unbuffer_loc)
+ args[i++] = unbuffer_loc;
+ args[i++] = gpsbabel_loc;
+ for (j = 0; sub_args[j]; j++) {
+ /* some version of gpsbabel can not take extra blank arg */
+ if (sub_args[j][0] != '\0')
+ args[i++] = sub_args[j];
+ }
+ 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(args);
- g_free ( cmd );
- }
+
+ g_strfreev(sub_args);
+ if (sub_filters)
+ g_strfreev(sub_filters);
+ } else
+ g_critical("gpsbabel not found in PATH");
+ (void)g_remove(name_dst);
+ g_free(name_dst);
}
- g_remove(name_dst);
- g_free(name_dst);
return ret;
}
-/* 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)
+/**
+ * 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
+ * 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;
+ gchar *name_dst = NULL;
gboolean ret = FALSE;
gchar **args;
- if ((fd_dst = g_file_open_tmp("tmp-viking.XXXXXX", &name_dst, NULL)) < 0) {
- ret = FALSE;
- } else {
+ 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 | gpsbabel -i %s -f - -o gpx -F %s", input_cmd, input_file_type, name_dst);
+ shell_command = g_strdup_printf("%s | %s -i %s -f - -o gpx -F %s",
+ input_cmd, gpsbabel_loc, input_file_type, name_dst);
else
shell_command = g_strdup_printf("%s > %s", input_cmd, name_dst);
ret = babel_general_convert_from ( vt, cb, args, name_dst, user_data );
g_free ( args );
g_free ( shell_command );
+ (void)g_remove(name_dst);
+ g_free(name_dst);
}
- g_remove(name_dst);
- g_free(name_dst);
return ret;
}
-gboolean babel_general_convert_to( VikTrwLayer *vt, BabelStatusFunc cb, gchar **args, const gchar *name_src, 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, DownloadFileOptions *options )
{
- gboolean ret;
- GPid pid;
- gint babel_stdin, babel_stdout, babel_stderr;
+ // If no download options specified, use defaults:
+ DownloadFileOptions myoptions = { FALSE, FALSE, NULL, 2, NULL, NULL, NULL };
+ if ( options )
+ myoptions = *options;
+ gint fd_src;
+ int fetch_ret;
+ gboolean ret = FALSE;
+ gchar *name_src = NULL;
+ gchar *babelargs = NULL;
- if (!a_file_export(vt, name_src, FILE_TYPE_GPX)) {
- g_warning("%s(): error exporting to %s", __FUNCTION__, name_src);
- return(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);
+ (void)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);
}
- if (!g_spawn_async_with_pipes (NULL, args, NULL, 0, NULL, NULL, &pid, &babel_stdin, &babel_stdout, &babel_stderr, NULL)) {
- ret = FALSE;
- } else {
- gchar line[512];
- FILE *diag;
- diag = fdopen(babel_stdout, "r");
- setvbuf(diag, NULL, _IONBF, 0);
+ return ret;
+}
- while (fgets(line, sizeof(line), diag)) {
- if ( cb )
- cb(BABEL_DIAG_OUTPUT, line, user_data);
- }
- if ( cb )
- cb(BABEL_DONE, NULL, user_data);
- fclose(diag);
- diag = NULL;
- waitpid(pid, NULL, 0);
- g_spawn_close_pid(pid);
+/**
+ * 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 ( !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;
+}
- ret = TRUE;
+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 ret;
+
+ return babel_general_convert (cb, args, user_data);
}
-gboolean a_babel_convert_to( VikTrwLayer *vt, const char *babelargs, BabelStatusFunc cb, const char *to, 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 *name_src;
- gchar *cmd;
+ gchar *name_src = NULL;
gboolean ret = FALSE;
- gchar **args;
+ gchar *args[64];
- if ((fd_src = g_file_open_tmp("tmp-viking.XXXXXX", &name_src, NULL)) < 0) {
- ret = FALSE;
- } else {
- gchar *gpsbabel_loc;
+ 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);
- gpsbabel_loc = g_find_program_in_path("gpsbabel");
-
if (gpsbabel_loc ) {
- gchar *unbuffer_loc = g_find_program_in_path("unbuffer");
- cmd = g_strdup_printf ( "%s%s%s %s -i gpx %s %s",
- unbuffer_loc ? unbuffer_loc : "",
- unbuffer_loc ? " " : "",
- gpsbabel_loc,
- babelargs,
- name_src,
- to);
-
- if ( unbuffer_loc )
- g_free ( unbuffer_loc );
- g_debug ( "%s: %s", __FUNCTION__, cmd );
- args = g_strsplit(cmd, " ", 0);
- ret = babel_general_convert_to ( vt, cb, args, name_src, user_data );
- g_strfreev(args);
- g_free ( cmd );
- }
+ gchar **sub_args = g_strsplit(babelargs, " ", 0);
+
+ i = 0;
+ if (unbuffer_loc)
+ args[i++] = unbuffer_loc;
+ args[i++] = gpsbabel_loc;
+ args[i++] = "-i";
+ args[i++] = "gpx";
+ for (j = 0; sub_args[j]; j++)
+ /* some version of gpsbabel can not take extra blank arg */
+ if (sub_args[j][0] != '\0')
+ args[i++] = sub_args[j];
+ args[i++] = "-f";
+ args[i++] = name_src;
+ args[i++] = "-F";
+ args[i++] = (char *)to;
+ args[i] = NULL;
+
+ ret = babel_general_convert_to ( vt, track, cb, args, name_src, user_data );
+
+ g_strfreev(sub_args);
+ } else
+ 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)
+{
+ 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_parse_line:
+ *
+ * Load a single feature stored in the given line.
+ */
+static void load_feature_parse_line (gchar *line)
+{
+ gchar **tokens = g_strsplit ( line, "\t", 0 );
+ if ( tokens != NULL
+ && tokens[0] != NULL ) {
+ if ( strcmp("serial", tokens[0]) == 0 ) {
+ if ( tokens[1] != NULL
+ && tokens[2] != NULL
+ && tokens[3] != NULL
+ && tokens[4] != NULL ) {
+ BabelDevice *device = g_malloc ( sizeof (BabelDevice) );
+ set_mode (&(device->mode), tokens[1]);
+ device->name = g_strdup (tokens[2]);
+ 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, %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);
+ }
+ } else if ( strcmp("file", tokens[0]) == 0 ) {
+ if ( tokens[1] != NULL
+ && tokens[2] != NULL
+ && tokens[3] != NULL
+ && tokens[4] != NULL ) {
+ BabelFile *file = g_malloc ( sizeof (BabelFile) );
+ 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, %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);
+ }
+ } /* else: ignore */
+ } else {
+ g_warning ( "Unexpected gpsbabel format string: %s", line);
}
+ g_strfreev ( tokens );
+}
+
+static void load_feature_cb (BabelProgressCode code, gpointer line, gpointer user_data)
+{
+ if (line != NULL)
+ load_feature_parse_line (line);
+}
+
+static gboolean load_feature ()
+{
+ int i;
+ gboolean ret = FALSE;
+ gchar *args[4];
+
+ if ( gpsbabel_loc ) {
+ i = 0;
+ if ( unbuffer_loc )
+ args[i++] = unbuffer_loc;
+ args[i++] = gpsbabel_loc;
+ args[i++] = "-^3";
+ args[i] = NULL;
+
+ ret = babel_general_convert (load_feature_cb, args, NULL);
+ } else
+ g_critical("gpsbabel not found in PATH");
- g_remove(name_src);
- g_free(name_src);
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 ()
+{
+ // 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 );
+ g_free ( unbuffer_loc );
+
+ if ( a_babel_file_list ) {
+ GList *gl;
+ for (gl = a_babel_file_list; gl != NULL; gl = g_list_next(gl)) {
+ BabelFile *file = gl->data;
+ g_free ( file->name );
+ g_free ( file->ext );
+ g_free ( file->label );
+ g_free ( gl->data );
+ }
+ g_list_free ( a_babel_file_list );
+ }
+
+ if ( a_babel_device_list ) {
+ GList *gl;
+ for (gl = a_babel_device_list; gl != NULL; gl = g_list_next(gl)) {
+ BabelDevice *device = gl->data;
+ g_free ( device->name );
+ g_free ( device->label );
+ g_free ( gl->data );
+ }
+ g_list_free ( a_babel_device_list );
+ }
+
+}
+
+/**
+ * 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