X-Git-Url: https://git.street.me.uk/andy/viking.git/blobdiff_plain/561e6ad0aaa8b7daa78e2e158421ce5c7ffa3044..f2f2f7bf756f928fa8c45a1e3eee11a670828cd8:/src/file.c diff --git a/src/file.c b/src/file.c index c376c012..4a957150 100644 --- a/src/file.c +++ b/src/file.c @@ -19,12 +19,23 @@ * */ +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif #include "viking.h" #include "gpx.h" #include #include +#include +#include + +/* Relax some dependencies */ +#if ! GLIB_CHECK_VERSION(2,12,0) +static gboolean return_true (gpointer a, gpointer b, gpointer c) { return TRUE; } +static g_hash_table_remove_all (GHashTable *ght) { g_hash_table_foreach_remove ( ght, (GHRFunc) return_true, FALSE ); } +#endif #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" @@ -87,6 +98,40 @@ static guint16 layer_type_from_string ( const gchar *str ) return -1; } +void file_write_layer_param ( FILE *f, const gchar *name, guint8 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. + */ + if ( type == VIK_LAYER_PARAM_STRING_LIST ) { + if ( data.sl ) { + GList *iter = (GList *)data.sl; + while ( iter ) { + fprintf ( f, "%s=", name ); + fprintf ( f, "%s\n", (gchar *)(iter->data) ); + iter = iter->next; + } + } + } else { + fprintf ( f, "%s=", name ); + switch ( type ) + { + case VIK_LAYER_PARAM_DOUBLE: { + // char buf[15]; /* locale independent */ + // fprintf ( f, "%s\n", (char *) g_dtostr (data.d, buf, sizeof (buf)) ); break; + fprintf ( f, "%f\n", data.d ); + break; + } + 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_COLOR: fprintf ( f, "#%.2x%.2x%.2x\n", (int)(data.c.red/256),(int)(data.c.green/256),(int)(data.c.blue/256)); break; + } + } +} + static void write_layer_params_and_data ( VikLayer *l, FILE *f ) { VikLayerParam *params = vik_layer_get_interface(l->type)->params; @@ -103,16 +148,7 @@ static void write_layer_params_and_data ( VikLayer *l, FILE *f ) for ( i = 0; i < params_count; i++ ) { data = get_param(l,i); - fprintf ( f, "%s=", params[i].name ); - switch ( params[i].type ) - { - case VIK_LAYER_PARAM_DOUBLE: fprintf ( f, "%f\n", data.d ); break; - 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_COLOR: fprintf ( f, "#%.2x%.2x%.2x\n", (int)(data.c.red/256),(int)(data.c.green/256),(int)(data.c.blue/256)); break; - } + file_write_layer_param(f, params[i].name, params[i].type, data); } } if ( vik_layer_get_interface(l->type)->write_file_data ) @@ -149,9 +185,11 @@ static void file_write ( VikAggregateLayer *top, FILE *f, gpointer vp ) default: modestring = "mercator"; } - fprintf ( f, "#VIKING GPS Data file http://gpsmaps.org/viking/\n\nxmpp=%f\nympp=%f\nlat=%f\nlon=%f\nmode=%s\ncolor=%s\n", + 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", 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)) ); + modestring, vik_viewport_get_background_color(VIK_VIEWPORT(vp)), + vik_viewport_get_draw_scale(VIK_VIEWPORT(vp)) ? "t" : "f", + vik_viewport_get_draw_centermark(VIK_VIEWPORT(vp)) ? "t" : "f" ); if ( ! VIK_LAYER(top)->visible ) fprintf ( f, "visible=f\n" ); @@ -166,6 +204,11 @@ static void file_write ( VikAggregateLayer *top, FILE *f, gpointer vp ) push(&stack); stack->data = (gpointer) vik_aggregate_layer_get_children(VIK_AGGREGATE_LAYER(current_layer)); } + else if ( current_layer->type == VIK_LAYER_GPS && !vik_gps_layer_is_empty(VIK_GPS_LAYER(current_layer)) ) + { + push(&stack); + stack->data = (gpointer) vik_gps_layer_get_children(VIK_GPS_LAYER(current_layer)); + } else { stack->data = (gpointer) ((GList *)stack->data)->next; @@ -194,7 +237,25 @@ static void file_write ( VikAggregateLayer *top, FILE *f, gpointer vp ) */ } -static void file_read ( VikAggregateLayer *top, FILE *f, gpointer vp ) +static void string_list_delete ( gpointer key, gpointer l, gpointer user_data ) +{ + /* 20071021 bugfix */ + GList *iter = (GList *) l; + while ( iter ) { + g_free ( iter->data ); + iter = iter->next; + } + 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] ); +} + +static void file_read ( VikAggregateLayer *top, FILE *f, VikViewport *vp ) { Stack *stack; struct LatLon ll = { 0.0, 0.0 }; @@ -203,8 +264,10 @@ static void file_read ( VikAggregateLayer *top, FILE *f, gpointer vp ) guint16 len; long line_num = 0; - VikLayerParam *params; /* for current layer, so we don't have to keep on looking up interface */ - guint8 params_count; + VikLayerParam *params = NULL; /* for current layer, so we don't have to keep on looking up interface */ + guint8 params_count = 0; + + GHashTable *string_lists = g_hash_table_new(g_direct_hash,g_direct_equal); push(&stack); stack->under = NULL; @@ -239,9 +302,10 @@ static void file_read ( VikAggregateLayer *top, FILE *f, gpointer vp ) continue; else if ( str_starts_with ( line, "Layer ", 6, TRUE ) ) { - if ( ( ! stack->data ) || VIK_LAYER(stack->data)->type != VIK_LAYER_AGGREGATE ) + int parent_type = VIK_LAYER(stack->data)->type; + if ( ( ! stack->data ) || ((parent_type != VIK_LAYER_AGGREGATE) && (parent_type != VIK_LAYER_GPS)) ) { - g_warning ( "Line %ld: Layer command inside non-Aggregate Layer", line_num ); + g_warning ( "Line %ld: Layer command inside non-Aggregate Layer (type %d)", line_num, parent_type ); push(&stack); /* inside INVALID layer */ stack->data = NULL; continue; @@ -252,9 +316,15 @@ static void file_read ( VikAggregateLayer *top, FILE *f, gpointer vp ) push(&stack); if ( type == -1 ) { - g_warning ( "Line %ld: Unknown type %s\n", line_num, line+6 ); + g_warning ( "Line %ld: Unknown type %s", line_num, line+6 ); stack->data = NULL; } + else if (parent_type == VIK_LAYER_GPS) + { + stack->data = (gpointer) vik_gps_layer_get_a_child(VIK_GPS_LAYER(stack->under->data)); + params = vik_layer_get_interface(type)->params; + params_count = vik_layer_get_interface(type)->params_count; + } else { stack->data = (gpointer) vik_layer_create ( type, vp, NULL, FALSE ); @@ -269,10 +339,24 @@ static void file_read ( VikAggregateLayer *top, FILE *f, gpointer vp ) g_warning ( "Line %ld: Mismatched ~EndLayer command", line_num ); else { + /* add any string lists we've accumulated */ + gpointer layer_and_vp[2]; + layer_and_vp[0] = stack->data; + layer_and_vp[1] = vp; + g_hash_table_foreach ( string_lists, (GHFunc) string_list_set_param, layer_and_vp ); + g_hash_table_remove_all ( string_lists ); + if ( stack->data && stack->under->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 ); + 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, TRUE ); + } + else if (VIK_LAYER(stack->under->data)->type == VIK_LAYER_GPS) { + /* TODO: anything else needs to be done here ? */ + } + else + g_warning ( "Line %ld: EndLayer command inside non-Aggregate Layer (type %d)", line_num, VIK_LAYER(stack->data)->type ); } pop(&stack); } @@ -338,6 +422,10 @@ static void file_read ( VikAggregateLayer *top, FILE *f, gpointer vp ) vik_viewport_set_drawmode ( VIK_VIEWPORT(vp), VIK_VIEWPORT_DRAWMODE_MERCATOR ); 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 == 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 && 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 ) @@ -345,6 +433,7 @@ static void file_read ( VikAggregateLayer *top, FILE *f, gpointer vp ) else if ( eq_pos != -1 && stack->under ) { gboolean found_match = FALSE; + /* go thru layer params. if len == eq_pos && starts_with jazz, set it. */ /* also got to check for name and visible. */ @@ -359,22 +448,30 @@ static void file_read ( VikAggregateLayer *top, FILE *f, gpointer vp ) { VikLayerParamData x; line += eq_pos+1; - switch ( params[i].type ) - { - case VIK_LAYER_PARAM_DOUBLE: x.d = strtod(line, NULL); break; - case VIK_LAYER_PARAM_UINT: x.u = strtoul(line, NULL, 10); break; - case VIK_LAYER_PARAM_INT: x.i = strtol(line, NULL, 10); break; - case VIK_LAYER_PARAM_BOOLEAN: x.b = TEST_BOOLEAN(line); break; - case VIK_LAYER_PARAM_COLOR: memset(&(x.c), 0, sizeof(x.c)); /* default: black */ + 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 ); + /* add the value to a list, possibly making a new list. + * this will be passed to the layer when we read an ~EndLayer */ + } else { + switch ( params[i].type ) + { + case VIK_LAYER_PARAM_DOUBLE: x.d = strtod(line, NULL); break; + case VIK_LAYER_PARAM_UINT: x.u = strtoul(line, NULL, 10); break; + case VIK_LAYER_PARAM_INT: x.i = strtol(line, NULL, 10); break; + case VIK_LAYER_PARAM_BOOLEAN: x.b = TEST_BOOLEAN(line); break; + case VIK_LAYER_PARAM_COLOR: memset(&(x.c), 0, sizeof(x.c)); /* default: black */ gdk_color_parse ( line, &(x.c) ); break; - default: x.s = line; + /* 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 ); found_match = TRUE; break; } if ( ! found_match ) - g_warning ( "Line %ld: Unknown parameter", line_num ); + g_warning ( "Line %ld: Unknown parameter. Line:\n%s", line_num, line ); } else g_warning ( "Line %ld: Invalid parameter or parameter outside of layer.", line_num ); @@ -393,7 +490,7 @@ name=this 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_layer_post_read ( VIK_LAYER(stack->data), vp, TRUE ); } pop(&stack); } @@ -403,6 +500,10 @@ name=this 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 ); } /* @@ -436,7 +537,7 @@ static void xfclose ( FILE *f ) } /* 0 on failure, 1 on success (vik file) 2 on success (other file) */ -gshort a_file_load ( VikAggregateLayer *top, gpointer vp, const gchar *filename ) +gshort a_file_load ( VikAggregateLayer *top, VikViewport *vp, const gchar *filename ) { FILE *f = xfopen ( filename, "r" ); @@ -463,7 +564,7 @@ gshort a_file_load ( VikAggregateLayer *top, gpointer vp, const gchar *filename else a_gpspoint_read_file ( VIK_TRW_LAYER(vtl), f ); - vik_layer_post_read ( vtl, vp ); + vik_layer_post_read ( vtl, vp, TRUE ); vik_aggregate_layer_add_layer ( top, vtl ); @@ -516,3 +617,33 @@ gboolean a_file_export ( VikTrwLayer *vtl, const gchar *filename, gshort file_ty } return FALSE; } + +const gchar *a_get_viking_dir() +{ + static gchar *viking_dir = NULL; + + // TODO: use g_get_user_config_dir ? + + if (!viking_dir) { + const gchar *home = g_getenv("HOME"); + if (!home || access(home, W_OK)) + home = g_get_home_dir (); +#ifdef HAVE_MKDTEMP + if (!home || access(home, W_OK)) + { + static gchar temp[] = {"/tmp/vikXXXXXX"}; + home = mkdtemp(temp); + } +#endif + if (!home || access(home, W_OK)) + /* Fatal error */ + g_critical("Unable to find a base directory"); + + /* Build the name of the directory */ + viking_dir = g_build_filename(home, ".viking", NULL); + if (access(viking_dir, F_OK)) + g_mkdir(viking_dir, 0755); + } + + return viking_dir; +}