*
* 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_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;
}
void file_write_layer_param ( FILE *f, const gchar *name, VikLayerParamType type, VikLayerParamData data ) {
-static VikLayerTypeEnum layer_type_from_string ( const gchar *str )
-{
- VikLayerTypeEnum i;
- for ( i = 0; i < VIK_LAYER_NUM_TYPES; i++ )
- if ( strcasecmp ( str, vik_layer_get_interface(i)->fixed_layer_name ) == 0 )
- return i;
- return VIK_LAYER_NUM_TYPES;
-}
-
/* 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,
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;
}
* TODO flow up line number(s) / error messages of problems encountered...
*
*/
-static gboolean file_read ( VikAggregateLayer *top, FILE *f, VikViewport *vp )
+static gboolean file_read ( VikAggregateLayer *top, FILE *f, const gchar *dirpath, VikViewport *vp )
{
Stack *stack;
struct LatLon ll = { 0.0, 0.0 };
}
else
{
- VikLayerTypeEnum type = layer_type_from_string ( line+6 );
+ VikLayerTypeEnum type = vik_layer_type_from_string ( line+6 );
push(&stack);
if ( type == VIK_LAYER_NUM_TYPES )
{
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_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) {
if ( stack->data && vik_layer_get_interface(VIK_LAYER(stack->data)->type)->read_file_data )
{
/* must read until hits ~EndLayerData */
- if ( ! vik_layer_get_interface(VIK_LAYER(stack->data)->type)->read_file_data ( VIK_LAYER(stack->data), f ) )
+ if ( ! vik_layer_get_interface(VIK_LAYER(stack->data)->type)->read_file_data ( VIK_LAYER(stack->data), f, dirpath ) )
successful_read = FALSE;
}
else
{
if ( stack->under && stack->under->data && stack->data )
{
- vik_aggregate_layer_add_layer ( VIK_AGGREGATE_LAYER(stack->under->data), VIK_LAYER(stack->data) );
+ 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 );
return result;
}
+/**
+ * append_file_ext:
+ *
+ * Append a file extension, if not already present.
+ *
+ * Returns: a newly allocated string
+ */
+gchar *append_file_ext ( const gchar *filename, VikLoadType_t type )
+{
+ 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_GPSMAPPER:
+ case FILE_TYPE_GPSPOINT:
+ default:
+ /* Do nothing, ext already set to NULL */
+ break;
+ }
+
+ /* Do */
+ if ( ext != NULL && ! check_file_ext ( filename, ext ) )
+ new_name = g_strconcat ( filename, ext, NULL );
+ else
+ /* Simply duplicate */
+ new_name = g_strdup ( filename );
+
+ return new_name;
+}
+
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)
+ 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, "r" );
if ( ! f )
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 ) )
{
- if ( file_read ( top, f, vp ) )
+ if ( file_read ( top, f, dirpath, vp ) )
load_answer = LOAD_TYPE_VIK_SUCCESS;
else
load_answer = LOAD_TYPE_VIK_FAILURE_NON_FATAL;
gboolean success = TRUE; // Detect load failures - mainly to remove the layer created as it's not required
VikLayer *vtl = vik_layer_create ( VIK_LAYER_TRW, vp, NULL, FALSE );
+ vik_layer_rename ( vtl, a_file_basename ( filename ) );
// In fact both kml & gpx files start the same as they are in xml
if ( check_file_ext ( filename, ".kml" ) && check_magic ( f, GPX_MAGIC ) ) {
}
else {
// Try final supported file type
- if ( ! ( success = a_gpspoint_read_file ( VIK_TRW_LAYER(vtl), f ) ) ) {
- // Failure here means we don't know how to handle the file
+ 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 );
// Clean up when we can't handle the file
if ( ! success ) {
}
else {
// Complete the setup from the successful load
- vik_layer_rename ( vtl, a_file_basename ( filename ) );
vik_layer_post_read ( vtl, vp, TRUE );
- vik_aggregate_layer_add_layer ( top, vtl );
+ vik_aggregate_layer_add_layer ( top, vtl, FALSE );
vik_trw_layer_auto_set_view ( VIK_TRW_LAYER(vtl), vp );
}
}
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;
{
const gchar *t = filename + strlen(filename) - 1;
while ( --t > filename )
- if ( *(t-1) == FILE_SEP )
+ if ( *(t-1) == G_DIR_SEPARATOR )
break;
if ( t >= filename )
return t;
return FALSE;
}
+/**
+ * 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 )
+{
+ 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--;
+ }
+
+ // 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