* viking -- GPS Data and Topo Analyzer, Explorer, and Manager
*
* Copyright (C) 2003-2005, Evan Battaglia <gtoevan@gmx.net>
+ * Copyright (C) 2012, Guilhem Bonnefille <guilhem.bonnefille@gmail.com>
+ * Copyright (C) 2012-2013, 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
*
*/
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
#include "viking.h"
+#include "jpg.h"
#include "gpx.h"
+#include "geojson.h"
+#include "babel.h"
#include <string.h>
#include <stdlib.h>
+#include <stdio.h>
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#ifdef WINDOWS
+#define realpath(X,Y) _fullpath(Y,X,MAX_PATH)
+#endif
#include <glib.h>
#include <glib/gstdio.h>
+#include <glib/gi18n.h>
+
+#include "file.h"
#define TEST_BOOLEAN(str) (! ((str)[0] == '\0' || (str)[0] == '0' || (str)[0] == 'n' || (str)[0] == 'N' || (str)[0] == 'f' || (str)[0] == 'F') )
#define VIK_MAGIC "#VIK"
#define GPX_MAGIC "<?xm"
#define VIK_MAGIC_LEN 4
-#ifdef WINDOWS
-#define FILE_SEP '\\'
-#else
-#define FILE_SEP '/'
-#endif
+#define VIKING_FILE_VERSION 1
typedef struct _Stack Stack;
return FALSE;
}
-static guint16 layer_type_from_string ( const gchar *str )
-{
- guint8 i;
- for ( i = 0; i < VIK_LAYER_NUM_TYPES; i++ )
- if ( strcasecmp ( str, vik_layer_get_interface(i)->name ) == 0 )
- return i;
- return -1;
-}
-
-static void write_layer_params_and_data ( VikLayer *l, FILE *f )
-{
- VikLayerParam *params = vik_layer_get_interface(l->type)->params;
- VikLayerFuncGetParam get_param = vik_layer_get_interface(l->type)->get_param;
-
- fprintf ( f, "name=%s\n", l->name ? l->name : "" );
- if ( !l->visible )
- fprintf ( f, "visible=f\n" );
-
- if ( params && get_param )
- {
- VikLayerParamData data;
- guint16 i, params_count = vik_layer_get_interface(l->type)->params_count;
- for ( i = 0; i < params_count; i++ )
- {
- data = get_param(l,i);
-
+void file_write_layer_param ( FILE *f, const gchar *name, VikLayerParamType type, VikLayerParamData data ) {
/* string lists are handled differently. We get a GList (that shouldn't
* be freed) back for get_param and if it is null we shouldn't write
* anything at all (otherwise we'd read in a list with an empty string,
- * not an empty string list.
+ * not an empty string list.
*/
- if ( params[i].type == VIK_LAYER_PARAM_STRING_LIST ) {
+ if ( type == VIK_LAYER_PARAM_STRING_LIST ) {
if ( data.sl ) {
GList *iter = (GList *)data.sl;
while ( iter ) {
- fprintf ( f, "%s=", params[i].name );
+ fprintf ( f, "%s=", name );
fprintf ( f, "%s\n", (gchar *)(iter->data) );
iter = iter->next;
}
}
} else {
- fprintf ( f, "%s=", params[i].name );
- switch ( params[i].type )
+ fprintf ( f, "%s=", name );
+ switch ( type )
{
case VIK_LAYER_PARAM_DOUBLE: {
// char buf[15]; /* locale independent */
case VIK_LAYER_PARAM_UINT: fprintf ( f, "%d\n", data.u ); break;
case VIK_LAYER_PARAM_INT: fprintf ( f, "%d\n", data.i ); break;
case VIK_LAYER_PARAM_BOOLEAN: fprintf ( f, "%c\n", data.b ? 't' : 'f' ); break;
- case VIK_LAYER_PARAM_STRING: fprintf ( f, "%s\n", data.s ); break;
+ case VIK_LAYER_PARAM_STRING: fprintf ( f, "%s\n", data.s ? data.s : "" ); break;
case VIK_LAYER_PARAM_COLOR: fprintf ( f, "#%.2x%.2x%.2x\n", (int)(data.c.red/256),(int)(data.c.green/256),(int)(data.c.blue/256)); break;
+ default: break;
}
}
+}
+
+static void write_layer_params_and_data ( VikLayer *l, FILE *f )
+{
+ VikLayerParam *params = vik_layer_get_interface(l->type)->params;
+ VikLayerFuncGetParam get_param = vik_layer_get_interface(l->type)->get_param;
+
+ fprintf ( f, "name=%s\n", l->name ? l->name : "" );
+ if ( !l->visible )
+ fprintf ( f, "visible=f\n" );
+
+ if ( params && get_param )
+ {
+ VikLayerParamData data;
+ guint16 i, params_count = vik_layer_get_interface(l->type)->params_count;
+ for ( i = 0; i < params_count; i++ )
+ {
+ data = get_param(l, i, TRUE);
+ file_write_layer_param(f, params[i].name, params[i].type, data);
}
}
if ( vik_layer_get_interface(l->type)->write_file_data )
Stack *stack = NULL;
VikLayer *current_layer;
struct LatLon ll;
- gchar *modestring;
+ VikViewportDrawMode mode;
+ gchar *modestring = NULL;
push(&stack);
stack->data = (gpointer) vik_aggregate_layer_get_children(VIK_AGGREGATE_LAYER(top));
/* crazhy CRAZHY */
vik_coord_to_latlon ( vik_viewport_get_center ( VIK_VIEWPORT(vp) ), &ll );
- switch ( vik_viewport_get_drawmode ( VIK_VIEWPORT(vp) ) ) {
+ mode = vik_viewport_get_drawmode ( VIK_VIEWPORT(vp) );
+ switch ( mode ) {
case VIK_VIEWPORT_DRAWMODE_UTM: modestring = "utm"; break;
case VIK_VIEWPORT_DRAWMODE_EXPEDIA: modestring = "expedia"; break;
- case VIK_VIEWPORT_DRAWMODE_GOOGLE: modestring = "google"; break;
- case VIK_VIEWPORT_DRAWMODE_KH: modestring = "kh"; break;
- default: modestring = "mercator";
+ case VIK_VIEWPORT_DRAWMODE_MERCATOR: modestring = "mercator"; break;
+ case VIK_VIEWPORT_DRAWMODE_LATLON: modestring = "latlon"; break;
+ default:
+ g_critical("Houston, we've had a problem. mode=%d", mode);
}
- fprintf ( f, "#VIKING GPS Data file " VIKING_URL "\n\nxmpp=%f\nympp=%f\nlat=%f\nlon=%f\nmode=%s\ncolor=%s\ndrawscale=%s\ndrawcentermark=%s",
+ fprintf ( f, "#VIKING GPS Data file " VIKING_URL "\n" );
+ fprintf ( f, "FILE_VERSION=%d\n", VIKING_FILE_VERSION );
+ fprintf ( f, "\nxmpp=%f\nympp=%f\nlat=%f\nlon=%f\nmode=%s\ncolor=%s\nhighlightcolor=%s\ndrawscale=%s\ndrawcentermark=%s\ndrawhighlight=%s\n",
vik_viewport_get_xmpp ( VIK_VIEWPORT(vp) ), vik_viewport_get_ympp ( VIK_VIEWPORT(vp) ), ll.lat, ll.lon,
modestring, vik_viewport_get_background_color(VIK_VIEWPORT(vp)),
+ vik_viewport_get_highlight_color(VIK_VIEWPORT(vp)),
vik_viewport_get_draw_scale(VIK_VIEWPORT(vp)) ? "t" : "f",
- vik_viewport_get_draw_centermark(VIK_VIEWPORT(vp)) ? "t" : "f" );
+ vik_viewport_get_draw_centermark(VIK_VIEWPORT(vp)) ? "t" : "f",
+ vik_viewport_get_draw_highlight(VIK_VIEWPORT(vp)) ? "t" : "f" );
if ( ! VIK_LAYER(top)->visible )
fprintf ( f, "visible=f\n" );
while (stack && stack->data)
{
current_layer = VIK_LAYER(((GList *)stack->data)->data);
- fprintf ( f, "\n~Layer %s\n", vik_layer_get_interface(current_layer->type)->name );
+ fprintf ( f, "\n~Layer %s\n", vik_layer_get_interface(current_layer->type)->fixed_layer_name );
write_layer_params_and_data ( current_layer, f );
if ( current_layer->type == VIK_LAYER_AGGREGATE && !vik_aggregate_layer_is_empty(VIK_AGGREGATE_LAYER(current_layer)) )
{
static void string_list_delete ( gpointer key, gpointer l, gpointer user_data )
{
- GList *iter = (GList *) iter;
+ /* 20071021 bugfix */
+ GList *iter = (GList *) l;
while ( iter ) {
g_free ( iter->data );
iter = iter->next;
}
- g_list_free ( (GList *) iter );
+ g_list_free ( (GList *) l );
}
static void string_list_set_param (gint i, GList *list, gpointer *layer_and_vp)
{
VikLayerParamData x;
x.sl = list;
- vik_layer_set_param ( VIK_LAYER(layer_and_vp[0]), i, x, layer_and_vp[1] );
+ vik_layer_set_param ( VIK_LAYER(layer_and_vp[0]), i, x, layer_and_vp[1], TRUE );
}
-static void file_read ( VikAggregateLayer *top, FILE *f, gpointer vp )
+/**
+ * Read in a Viking file and return how successful the parsing was
+ * ATM this will always work, in that even if there are parsing problems
+ * then there will be no new values to override the defaults
+ *
+ * TODO flow up line number(s) / error messages of problems encountered...
+ *
+ */
+static gboolean file_read ( VikAggregateLayer *top, FILE *f, const gchar *dirpath, VikViewport *vp )
{
Stack *stack;
struct LatLon ll = { 0.0, 0.0 };
GHashTable *string_lists = g_hash_table_new(g_direct_hash,g_direct_equal);
+ gboolean successful_read = TRUE;
+
push(&stack);
stack->under = NULL;
stack->data = (gpointer) top;
int parent_type = VIK_LAYER(stack->data)->type;
if ( ( ! stack->data ) || ((parent_type != VIK_LAYER_AGGREGATE) && (parent_type != VIK_LAYER_GPS)) )
{
+ successful_read = FALSE;
g_warning ( "Line %ld: Layer command inside non-Aggregate Layer (type %d)", line_num, parent_type );
push(&stack); /* inside INVALID layer */
stack->data = NULL;
}
else
{
- gint16 type = layer_type_from_string ( line+6 );
+ VikLayerTypeEnum type = vik_layer_type_from_string ( line+6 );
push(&stack);
- if ( type == -1 )
+ if ( type == VIK_LAYER_NUM_TYPES )
{
- g_warning ( "Line %ld: Unknown type %s\n", line_num, line+6 );
+ successful_read = FALSE;
+ g_warning ( "Line %ld: Unknown type %s", line_num, line+6 );
stack->data = NULL;
}
else if (parent_type == VIK_LAYER_GPS)
}
else
{
- stack->data = (gpointer) vik_layer_create ( type, vp, NULL, FALSE );
+ stack->data = (gpointer) vik_layer_create ( type, vp, FALSE );
params = vik_layer_get_interface(type)->params;
params_count = vik_layer_get_interface(type)->params_count;
}
}
else if ( str_starts_with ( line, "EndLayer", 8, FALSE ) )
{
- if ( stack->under == NULL )
+ if ( stack->under == NULL ) {
+ successful_read = FALSE;
g_warning ( "Line %ld: Mismatched ~EndLayer command", line_num );
+ }
else
{
/* add any string lists we've accumulated */
if ( stack->data && stack->under->data )
{
if (VIK_LAYER(stack->under->data)->type == VIK_LAYER_AGGREGATE) {
- vik_aggregate_layer_add_layer ( VIK_AGGREGATE_LAYER(stack->under->data), VIK_LAYER(stack->data) );
- vik_layer_post_read ( VIK_LAYER(stack->data), vp );
+ vik_aggregate_layer_add_layer ( VIK_AGGREGATE_LAYER(stack->under->data), VIK_LAYER(stack->data), FALSE );
+ vik_layer_post_read ( VIK_LAYER(stack->data), vp, TRUE );
}
else if (VIK_LAYER(stack->under->data)->type == VIK_LAYER_GPS) {
/* TODO: anything else needs to be done here ? */
}
- else
+ else {
+ successful_read = FALSE;
g_warning ( "Line %ld: EndLayer command inside non-Aggregate Layer (type %d)", line_num, VIK_LAYER(stack->data)->type );
+ }
}
pop(&stack);
}
else if ( str_starts_with ( line, "LayerData", 9, FALSE ) )
{
if ( stack->data && vik_layer_get_interface(VIK_LAYER(stack->data)->type)->read_file_data )
- vik_layer_get_interface(VIK_LAYER(stack->data)->type)->read_file_data ( VIK_LAYER(stack->data), f );
+ {
/* must read until hits ~EndLayerData */
-
+ if ( ! vik_layer_get_interface(VIK_LAYER(stack->data)->type)->read_file_data ( VIK_LAYER(stack->data), f, dirpath ) )
+ successful_read = FALSE;
+ }
else
{ /* simply skip layer data over */
while ( fgets ( buffer, 4096, f ) )
}
else
{
+ successful_read = FALSE;
g_warning ( "Line %ld: Unknown tilde command", line_num );
}
}
if ( line[i] == '=' )
eq_pos = i;
- if ( stack->under == NULL && eq_pos == 4 && strncasecmp ( line, "xmpp", eq_pos ) == 0) /* "hard coded" params: global & for all layer-types */
+ if ( stack->under == NULL && eq_pos == 12 && strncasecmp ( line, "FILE_VERSION", eq_pos ) == 0) {
+ gint version = strtol(line+13, NULL, 10);
+ g_debug ( "%s: reading file version %d", __FUNCTION__, version );
+ if ( version > VIKING_FILE_VERSION )
+ successful_read = FALSE;
+ // However we'll still carry and attempt to read whatever we can
+ }
+ else if ( stack->under == NULL && eq_pos == 4 && strncasecmp ( line, "xmpp", eq_pos ) == 0) /* "hard coded" params: global & for all layer-types */
vik_viewport_set_xmpp ( VIK_VIEWPORT(vp), strtod ( line+5, NULL ) );
else if ( stack->under == NULL && eq_pos == 4 && strncasecmp ( line, "ympp", eq_pos ) == 0)
vik_viewport_set_ympp ( VIK_VIEWPORT(vp), strtod ( line+5, NULL ) );
else if ( stack->under == NULL && eq_pos == 4 && strncasecmp ( line, "mode", eq_pos ) == 0 && strcasecmp ( line+5, "expedia" ) == 0)
vik_viewport_set_drawmode ( VIK_VIEWPORT(vp), VIK_VIEWPORT_DRAWMODE_EXPEDIA );
else if ( stack->under == NULL && eq_pos == 4 && strncasecmp ( line, "mode", eq_pos ) == 0 && strcasecmp ( line+5, "google" ) == 0)
- vik_viewport_set_drawmode ( VIK_VIEWPORT(vp), VIK_VIEWPORT_DRAWMODE_GOOGLE );
+ {
+ successful_read = FALSE;
+ g_warning ( _("Draw mode '%s' no more supported"), "google" );
+ }
else if ( stack->under == NULL && eq_pos == 4 && strncasecmp ( line, "mode", eq_pos ) == 0 && strcasecmp ( line+5, "kh" ) == 0)
- vik_viewport_set_drawmode ( VIK_VIEWPORT(vp), VIK_VIEWPORT_DRAWMODE_KH );
+ {
+ successful_read = FALSE;
+ g_warning ( _("Draw mode '%s' no more supported"), "kh" );
+ }
else if ( stack->under == NULL && eq_pos == 4 && strncasecmp ( line, "mode", eq_pos ) == 0 && strcasecmp ( line+5, "mercator" ) == 0)
vik_viewport_set_drawmode ( VIK_VIEWPORT(vp), VIK_VIEWPORT_DRAWMODE_MERCATOR );
+ else if ( stack->under == NULL && eq_pos == 4 && strncasecmp ( line, "mode", eq_pos ) == 0 && strcasecmp ( line+5, "latlon" ) == 0)
+ vik_viewport_set_drawmode ( VIK_VIEWPORT(vp), VIK_VIEWPORT_DRAWMODE_LATLON );
else if ( stack->under == NULL && eq_pos == 5 && strncasecmp ( line, "color", eq_pos ) == 0 )
vik_viewport_set_background_color ( VIK_VIEWPORT(vp), line+6 );
+ else if ( stack->under == NULL && eq_pos == 14 && strncasecmp ( line, "highlightcolor", eq_pos ) == 0 )
+ vik_viewport_set_highlight_color ( VIK_VIEWPORT(vp), line+15 );
else if ( stack->under == NULL && eq_pos == 9 && strncasecmp ( line, "drawscale", eq_pos ) == 0 )
vik_viewport_set_draw_scale ( VIK_VIEWPORT(vp), TEST_BOOLEAN(line+10) );
else if ( stack->under == NULL && eq_pos == 14 && strncasecmp ( line, "drawcentermark", eq_pos ) == 0 )
vik_viewport_set_draw_centermark ( VIK_VIEWPORT(vp), TEST_BOOLEAN(line+15) );
+ else if ( stack->under == NULL && eq_pos == 13 && strncasecmp ( line, "drawhighlight", eq_pos ) == 0 )
+ vik_viewport_set_draw_highlight ( VIK_VIEWPORT(vp), TEST_BOOLEAN(line+14) );
else if ( stack->under && eq_pos == 4 && strncasecmp ( line, "name", eq_pos ) == 0 )
vik_layer_rename ( VIK_LAYER(stack->data), line+5 );
else if ( eq_pos == 7 && strncasecmp ( line, "visible", eq_pos ) == 0 )
if ( ! params )
{
+ successful_read = FALSE;
g_warning ( "Line %ld: No options for this kind of layer", line_num );
continue;
}
VikLayerParamData x;
line += eq_pos+1;
if ( params[i].type == VIK_LAYER_PARAM_STRING_LIST ) {
- GList *l = g_list_append ( g_hash_table_lookup ( string_lists, (gpointer) ((gint) i) ), g_strdup(line) );
- g_hash_table_replace ( string_lists, (gpointer) ((gint)i), l );
+ GList *l = g_list_append ( g_hash_table_lookup ( string_lists, GINT_TO_POINTER ((gint) i) ),
+ g_strdup(line) );
+ g_hash_table_replace ( string_lists, GINT_TO_POINTER ((gint)i), l );
/* add the value to a list, possibly making a new list.
* this will be passed to the layer when we read an ~EndLayer */
} else {
/* STRING or STRING_LIST -- if STRING_LIST, just set param to add a STRING */
default: x.s = line;
}
- vik_layer_set_param ( VIK_LAYER(stack->data), i, x, vp );
+ vik_layer_set_param ( VIK_LAYER(stack->data), i, x, vp, TRUE );
}
found_match = TRUE;
break;
}
- if ( ! found_match )
+ if ( ! found_match ) {
+ // ATM don't flow up this issue because at least one internal parameter has changed from version 1.3
+ // and don't what to worry users about raising such issues
+ // TODO Maybe hold old values here - compare the line value against them and if a match
+ // generate a different style of message in the GUI...
+ // successful_read = FALSE;
g_warning ( "Line %ld: Unknown parameter. Line:\n%s", line_num, line );
+ }
}
- else
+ else {
+ successful_read = FALSE;
g_warning ( "Line %ld: Invalid parameter or parameter outside of layer.", line_num );
+ }
}
/* could be:
[Layer Type=Bla]
{
if ( stack->under && stack->under->data && stack->data )
{
- vik_aggregate_layer_add_layer ( VIK_AGGREGATE_LAYER(stack->under->data), VIK_LAYER(stack->data) );
- vik_layer_post_read ( VIK_LAYER(stack->data), vp );
+ vik_aggregate_layer_add_layer ( VIK_AGGREGATE_LAYER(stack->under->data), VIK_LAYER(stack->data), FALSE );
+ vik_layer_post_read ( VIK_LAYER(stack->data), vp, TRUE );
}
pop(&stack);
}
if ( ll.lat != 0.0 || ll.lon != 0.0 )
- vik_viewport_set_center_latlon ( VIK_VIEWPORT(vp), &ll );
+ vik_viewport_set_center_latlon ( VIK_VIEWPORT(vp), &ll, TRUE );
if ( ( ! VIK_LAYER(top)->visible ) && VIK_LAYER(top)->realized )
vik_treeview_item_set_visible ( VIK_LAYER(top)->vt, &(VIK_LAYER(top)->iter), FALSE );
/* delete anything we've forgotten about -- should only happen when file ends before an EndLayer */
g_hash_table_foreach ( string_lists, string_list_delete, NULL );
g_hash_table_destroy ( string_lists );
+
+ return successful_read;
}
/*
/* ---------------------------------------------------- */
-static FILE *xfopen ( const char *fn, const char *mode )
+static FILE *xfopen ( const char *fn )
{
if ( strcmp(fn,"-") == 0 )
return stdin;
else
- return fopen(fn, "r");
+ return g_fopen(fn, "r");
}
static void xfclose ( FILE *f )
{
- if ( f != stdin && f != stdout )
+ if ( f != stdin && f != stdout ) {
fclose ( f );
+ f = NULL;
+ }
+}
+
+/*
+ * Function to determine if a filename is a 'viking' type file
+ */
+gboolean check_file_magic_vik ( const gchar *filename )
+{
+ gboolean result = FALSE;
+ FILE *ff = xfopen ( filename );
+ if ( ff ) {
+ result = check_magic ( ff, VIK_MAGIC );
+ xfclose ( ff );
+ }
+ return result;
}
-/* 0 on failure, 1 on success (vik file) 2 on success (other file) */
-gshort a_file_load ( VikAggregateLayer *top, gpointer vp, const gchar *filename )
+/**
+ * append_file_ext:
+ *
+ * Append a file extension, if not already present.
+ *
+ * Returns: a newly allocated string
+ */
+gchar *append_file_ext ( const gchar *filename, VikFileType_t type )
{
- FILE *f = xfopen ( filename, "r" );
+ gchar *new_name = NULL;
+ const gchar *ext = NULL;
+
+ /* Select an extension */
+ switch (type)
+ {
+ case FILE_TYPE_GPX:
+ ext = ".gpx";
+ break;
+ case FILE_TYPE_KML:
+ ext = ".kml";
+ break;
+ case FILE_TYPE_GEOJSON:
+ ext = ".geojson";
+ break;
+ case FILE_TYPE_GPSMAPPER:
+ case FILE_TYPE_GPSPOINT:
+ default:
+ /* Do nothing, ext already set to NULL */
+ break;
+ }
+
+ /* Do */
+ if ( ext != NULL && ! a_file_check_ext ( filename, ext ) )
+ new_name = g_strconcat ( filename, ext, NULL );
+ else
+ /* Simply duplicate */
+ new_name = g_strdup ( filename );
+
+ return new_name;
+}
- g_assert ( vp );
+VikLoadType_t a_file_load ( VikAggregateLayer *top, VikViewport *vp, const gchar *filename_or_uri )
+{
+ g_return_val_if_fail ( vp != NULL, LOAD_TYPE_READ_FAILURE );
+
+ char *filename = (char *)filename_or_uri;
+ if (strncmp(filename, "file://", 7) == 0) {
+ // Consider replacing this with:
+ // filename = g_filename_from_uri ( entry, NULL, NULL );
+ // Since this doesn't support URIs properly (i.e. will failure if is it has %20 characters in it)
+ filename = filename + 7;
+ g_debug ( "Loading file %s from URI %s", filename, filename_or_uri );
+ }
+ FILE *f = xfopen ( filename );
if ( ! f )
- return 0;
+ return LOAD_TYPE_READ_FAILURE;
+ VikLoadType_t load_answer = LOAD_TYPE_OTHER_SUCCESS;
+
+ gchar *dirpath = g_path_get_dirname ( filename );
+ // Attempt loading the primary file type first - our internal .vik file:
if ( check_magic ( f, VIK_MAGIC ) )
{
- file_read ( top, f, vp );
- if ( f != stdin )
- xfclose(f);
- return 1;
+ if ( file_read ( top, f, dirpath, vp ) )
+ load_answer = LOAD_TYPE_VIK_SUCCESS;
+ else
+ load_answer = LOAD_TYPE_VIK_FAILURE_NON_FATAL;
+ }
+ else if ( a_jpg_magic_check ( filename ) ) {
+ if ( ! a_jpg_load_file ( top, filename, vp ) )
+ load_answer = LOAD_TYPE_UNSUPPORTED_FAILURE;
}
else
{
- VikCoord new_center;
- VikLayer *vtl = vik_layer_create ( VIK_LAYER_TRW, vp, NULL, FALSE );
- vik_layer_rename ( vtl, a_file_basename ( filename ) );
-
- if ( check_magic ( f, GPX_MAGIC ) )
- a_gpx_read_file ( VIK_TRW_LAYER(vtl), f );
- else
- a_gpspoint_read_file ( VIK_TRW_LAYER(vtl), f );
+ // For all other file types which consist of tracks, routes and/or waypoints,
+ // must be loaded into a new TrackWaypoint layer (hence it be created)
+ gboolean success = TRUE; // Detect load failures - mainly to remove the layer created as it's not required
- vik_layer_post_read ( vtl, vp );
+ VikLayer *vtl = vik_layer_create ( VIK_LAYER_TRW, vp, FALSE );
+ vik_layer_rename ( vtl, a_file_basename ( filename ) );
- vik_aggregate_layer_add_layer ( top, vtl );
+ // In fact both kml & gpx files start the same as they are in xml
+ if ( a_file_check_ext ( filename, ".kml" ) && check_magic ( f, GPX_MAGIC ) ) {
+ // Implicit Conversion
+ if ( ! ( success = a_babel_convert_from ( VIK_TRW_LAYER(vtl), "-i kml", filename, NULL, NULL, NULL ) ) ) {
+ load_answer = LOAD_TYPE_GPSBABEL_FAILURE;
+ }
+ }
+ // NB use a extension check first, as a GPX file header may have a Byte Order Mark (BOM) in it
+ // - which currently confuses our check_magic function
+ else if ( a_file_check_ext ( filename, ".gpx" ) || check_magic ( f, GPX_MAGIC ) ) {
+ if ( ! ( success = a_gpx_read_file ( VIK_TRW_LAYER(vtl), f ) ) ) {
+ load_answer = LOAD_TYPE_GPX_FAILURE;
+ }
+ }
+ else {
+ // Try final supported file type
+ if ( ! ( success = a_gpspoint_read_file ( VIK_TRW_LAYER(vtl), f, dirpath ) ) ) {
+ // Failure here means we don't know how to handle the file
+ load_answer = LOAD_TYPE_UNSUPPORTED_FAILURE;
+ }
+ }
+ g_free ( dirpath );
- if ( vik_trw_layer_find_center ( VIK_TRW_LAYER(vtl), &new_center ) )
- vik_viewport_set_center_coord ( VIK_VIEWPORT(vp), &new_center );
- xfclose(f);
- return 2;
+ // Clean up when we can't handle the file
+ if ( ! success ) {
+ // free up layer
+ g_object_unref ( vtl );
+ }
+ else {
+ // Complete the setup from the successful load
+ vik_layer_post_read ( vtl, vp, TRUE );
+ vik_aggregate_layer_add_layer ( top, vtl, FALSE );
+ vik_trw_layer_auto_set_view ( VIK_TRW_LAYER(vtl), vp );
+ }
}
+ xfclose(f);
+ return load_answer;
}
gboolean a_file_save ( VikAggregateLayer *top, gpointer vp, const gchar *filename )
{
- FILE *f = fopen(filename, "w");
+ FILE *f;
+
+ if (strncmp(filename, "file://", 7) == 0)
+ filename = filename + 7;
+
+ f = g_fopen(filename, "w");
if ( ! f )
return FALSE;
+ // Enable relative paths in .vik files to work
+ gchar *cwd = g_get_current_dir();
+ gchar *dir = g_path_get_dirname ( filename );
+ if ( dir ) {
+ if ( g_chdir ( dir ) ) {
+ g_warning ( "Could not change directory to %s", dir );
+ }
+ g_free (dir);
+ }
+
file_write ( top, f, vp );
+ // Restore previous working directory
+ if ( cwd ) {
+ if ( g_chdir ( cwd ) ) {
+ g_warning ( "Could not return to directory %s", cwd );
+ }
+ g_free (cwd);
+ }
+
fclose(f);
+ f = NULL;
return TRUE;
}
-const gchar *a_file_basename ( const gchar *filename )
+/* example:
+ gboolean is_gpx = a_file_check_ext ( "a/b/c.gpx", ".gpx" );
+*/
+gboolean a_file_check_ext ( const gchar *filename, const gchar *fileext )
{
- const gchar *t = filename + strlen(filename) - 1;
- while ( --t > filename )
- if ( *(t-1) == FILE_SEP )
- break;
- if ( t >= filename )
- return t;
- return filename;
+ g_return_val_if_fail ( filename != NULL, FALSE );
+ g_return_val_if_fail ( fileext && fileext[0]=='.', FALSE );
+ const gchar *basename = a_file_basename(filename);
+ if (!basename)
+ return FALSE;
+
+ const char * dot = strrchr(basename, '.');
+ if (dot && !strcmp(dot, fileext))
+ return TRUE;
+
+ return FALSE;
}
-gboolean a_file_export ( VikTrwLayer *vtl, const gchar *filename, gshort file_type )
+/**
+ * a_file_export:
+ * @vtl: The TrackWaypoint to export data from
+ * @filename: The name of the file to be written
+ * @file_type: Choose one of the supported file types for the export
+ * @trk: If specified then only export this track rather than the whole layer
+ * @write_hidden: Whether to write invisible items
+ *
+ * A general export command to convert from Viking TRW layer data to an external supported format.
+ * The write_hidden option is provided mainly to be able to transfer selected items when uploading to a GPS
+ */
+gboolean a_file_export ( VikTrwLayer *vtl, const gchar *filename, VikFileType_t file_type, VikTrack *trk, gboolean write_hidden )
{
- FILE *f = fopen ( filename, "w" );
+ GpxWritingOptions options = { FALSE, FALSE, write_hidden, FALSE };
+ FILE *f = g_fopen ( filename, "w" );
if ( f )
{
- if ( file_type == FILE_TYPE_GPSMAPPER )
- a_gpsmapper_write_file ( vtl, f );
- else if ( file_type == FILE_TYPE_GPX )
- a_gpx_write_file ( vtl, f );
- else
- a_gpspoint_write_file ( vtl, f );
+ gboolean result = TRUE;
+
+ if ( trk ) {
+ switch ( file_type ) {
+ case FILE_TYPE_GPX:
+ // trk defined so can set the option
+ options.is_route = trk->is_route;
+ a_gpx_write_track_file ( trk, f, &options );
+ break;
+ default:
+ g_critical("Houston, we've had a problem. file_type=%d", file_type);
+ }
+ } else {
+ switch ( file_type ) {
+ case FILE_TYPE_GPSMAPPER:
+ a_gpsmapper_write_file ( vtl, f );
+ break;
+ case FILE_TYPE_GPX:
+ a_gpx_write_file ( vtl, f, &options );
+ break;
+ case FILE_TYPE_GPSPOINT:
+ a_gpspoint_write_file ( vtl, f );
+ break;
+ case FILE_TYPE_GEOJSON:
+ result = a_geojson_write_file ( vtl, f );
+ break;
+ case FILE_TYPE_KML:
+ fclose ( f );
+ f = NULL;
+ switch ( a_vik_get_kml_export_units () ) {
+ case VIK_KML_EXPORT_UNITS_STATUTE:
+ return a_babel_convert_to ( vtl, NULL, "-o kml", filename, NULL, NULL );
+ break;
+ case VIK_KML_EXPORT_UNITS_NAUTICAL:
+ return a_babel_convert_to ( vtl, NULL, "-o kml,units=n", filename, NULL, NULL );
+ break;
+ default:
+ // VIK_KML_EXPORT_UNITS_METRIC:
+ return a_babel_convert_to ( vtl, NULL, "-o kml,units=m", filename, NULL, NULL );
+ break;
+ }
+ break;
+ default:
+ g_critical("Houston, we've had a problem. file_type=%d", file_type);
+ }
+ }
fclose ( f );
- return TRUE;
+ f = NULL;
+ return result;
}
return FALSE;
}
-const gchar *a_get_viking_dir()
+/**
+ * a_file_export_babel:
+ */
+gboolean a_file_export_babel ( VikTrwLayer *vtl, const gchar *filename, const gchar *format,
+ gboolean tracks, gboolean routes, gboolean waypoints )
+{
+ gchar *args = g_strdup_printf("%s %s %s -o %s",
+ tracks ? "-t" : "",
+ routes ? "-r" : "",
+ waypoints ? "-w" : "",
+ format);
+ gboolean result = a_babel_convert_to ( vtl, NULL, args, filename, NULL, NULL );
+ g_free(args);
+ return result;
+}
+
+/**
+ * Just a wrapper around realpath, which itself is platform dependent
+ */
+char *file_realpath ( const char *path, char *real )
+{
+ return realpath ( path, real );
+}
+
+#ifndef MAXPATHLEN
+#define MAXPATHLEN 1024
+#endif
+/**
+ * Always return the canonical filename in a newly allocated string
+ */
+char *file_realpath_dup ( const char *path )
+{
+ char real[MAXPATHLEN];
+
+ g_return_val_if_fail(path != NULL, NULL);
+
+ if (file_realpath(path, real))
+ return g_strdup(real);
+
+ return g_strdup(path);
+}
+
+/**
+ * Permission granted to use this code after personal correspondance
+ * Slightly reworked for better cross platform use, glibisms, function rename and a compacter format
+ *
+ * FROM http://www.codeguru.com/cpp/misc/misc/fileanddirectorynaming/article.php/c263
+ */
+
+// GetRelativeFilename(), by Rob Fisher.
+// rfisher@iee.org
+// http://come.to/robfisher
+
+// The number of characters at the start of an absolute filename. e.g. in DOS,
+// absolute filenames start with "X:\" so this value should be 3, in UNIX they start
+// with "\" so this value should be 1.
+#ifdef WINDOWS
+#define ABSOLUTE_NAME_START 3
+#else
+#define ABSOLUTE_NAME_START 1
+#endif
+
+// Given the absolute current directory and an absolute file name, returns a relative file name.
+// For example, if the current directory is C:\foo\bar and the filename C:\foo\whee\text.txt is given,
+// GetRelativeFilename will return ..\whee\text.txt.
+
+const gchar *file_GetRelativeFilename ( gchar *currentDirectory, gchar *absoluteFilename )
{
- static gchar *viking_dir = NULL;
-
- if (!viking_dir) {
- gchar *temp[] = {"/tmp/vikXXXXXX"};
- gchar *home = getenv("HOME");
- if (!home || access(home, W_OK))
- home = mktemp(temp);
- viking_dir = g_strdup_printf("%s/%s", home, ".viking");
- if (access(viking_dir, F_OK))
- g_mkdir(viking_dir, 0755);
+ gint afMarker = 0, rfMarker = 0;
+ gint cdLen = 0, afLen = 0;
+ gint i = 0;
+ gint levels = 0;
+ static gchar relativeFilename[MAXPATHLEN+1];
+
+ cdLen = strlen(currentDirectory);
+ afLen = strlen(absoluteFilename);
+
+ // make sure the names are not too long or too short
+ if (cdLen > MAXPATHLEN || cdLen < ABSOLUTE_NAME_START+1 ||
+ afLen > MAXPATHLEN || afLen < ABSOLUTE_NAME_START+1) {
+ return NULL;
+ }
+
+ // Handle DOS names that are on different drives:
+ if (currentDirectory[0] != absoluteFilename[0]) {
+ // not on the same drive, so only absolute filename will do
+ strcpy(relativeFilename, absoluteFilename);
+ return relativeFilename;
+ }
+
+ // they are on the same drive, find out how much of the current directory
+ // is in the absolute filename
+ i = ABSOLUTE_NAME_START;
+ while (i < afLen && i < cdLen && currentDirectory[i] == absoluteFilename[i]) {
+ i++;
+ }
+
+ if (i == cdLen && (absoluteFilename[i] == G_DIR_SEPARATOR || absoluteFilename[i-1] == G_DIR_SEPARATOR)) {
+ // the whole current directory name is in the file name,
+ // so we just trim off the current directory name to get the
+ // current file name.
+ if (absoluteFilename[i] == G_DIR_SEPARATOR) {
+ // a directory name might have a trailing slash but a relative
+ // file name should not have a leading one...
+ i++;
+ }
+
+ strcpy(relativeFilename, &absoluteFilename[i]);
+ return relativeFilename;
+ }
+
+ // The file is not in a child directory of the current directory, so we
+ // need to step back the appropriate number of parent directories by
+ // using "..\"s. First find out how many levels deeper we are than the
+ // common directory
+ afMarker = i;
+ levels = 1;
+
+ // count the number of directory levels we have to go up to get to the
+ // common directory
+ while (i < cdLen) {
+ i++;
+ if (currentDirectory[i] == G_DIR_SEPARATOR) {
+ // make sure it's not a trailing slash
+ i++;
+ if (currentDirectory[i] != '\0') {
+ levels++;
+ }
+ }
+ }
+
+ // move the absolute filename marker back to the start of the directory name
+ // that it has stopped in.
+ while (afMarker > 0 && absoluteFilename[afMarker-1] != G_DIR_SEPARATOR) {
+ afMarker--;
}
- return viking_dir;
+ // check that the result will not be too long
+ if (levels * 3 + afLen - afMarker > MAXPATHLEN) {
+ return NULL;
+ }
+
+ // add the appropriate number of "..\"s.
+ rfMarker = 0;
+ for (i = 0; i < levels; i++) {
+ relativeFilename[rfMarker++] = '.';
+ relativeFilename[rfMarker++] = '.';
+ relativeFilename[rfMarker++] = G_DIR_SEPARATOR;
+ }
+
+ // copy the rest of the filename into the result string
+ strcpy(&relativeFilename[rfMarker], &absoluteFilename[afMarker]);
+
+ return relativeFilename;
}
+/* END http://www.codeguru.com/cpp/misc/misc/fileanddirectorynaming/article.php/c263 */
projects / andy / viking.git / blobdiff