* print more useful info about OGR layers in v.info

* Vect_get_ogr_format_info(), Vect_get_ogr_dns_name() and
Vect_get_ogr_layer_name() added


git-svn-id: https://svn.osgeo.org/grass/grass/trunk@39532 15284696-431f-4ddb-bdfa-cd5b030d7da7

include/vector.h

@@ -159,6 +159,9 @@ int Vect_write_header(const struct Map_info *);
 const char *Vect_get_name(const struct Map_info *);
 const char *Vect_get_mapset(const struct Map_info *);
 const char *Vect_get_full_name(const struct Map_info *);
+const char *Vect_get_ogr_dsn_name(const struct Map_info *);
+const char *Vect_get_ogr_layer_name(const struct Map_info *);
+const char *Vect_get_ogr_format_info(const struct Map_info *);
 int Vect_is_3d(const struct Map_info *);
 int Vect_set_organization(struct Map_info *, const char *);
 const char *Vect_get_organization(const struct Map_info *);

lib/vector/Vlib/header.c

@@ -1,5 +1,5 @@
 /*!
-   \file header.c
+   \file lib/vector/Vlib/header.c
 
    \brief Vector library - header manipulation
 
@@ -23,7 +23,6 @@
 
 static int lookup(const char *file, const char *key, char *value, size_t len);
 
-
 /*!
    \brief Print vector map header
 
@@ -237,6 +236,49 @@ const char *Vect_get_full_name(const struct Map_info *Map)
 }
 
 /*!
+   \brief Get OGR datasource name (relevant only for OGR format)
+
+   \param Map pointer to Map_info structure
+
+   \return poiter to string with OGR datasource name
+ */
+const char *Vect_get_ogr_dsn_name(const struct Map_info *Map)
+{
+    return (Map->fInfo.ogr.dsn);
+}
+
+/*!
+   \brief Get OGR layer name (relevant only for OGR format)
+
+   \param Map pointer to Map_info structure
+
+   \return poiter to string with OGR layer name
+ */
+const char *Vect_get_ogr_layer_name(const struct Map_info *Map)
+{
+    return (Map->fInfo.ogr.layer_name);
+}
+
+/*!
+  \brief Get OGR format info (relevant only for OGR format)
+
+  \param Map pointer to Map_info structure
+  
+  \return poiter to string with OGR format info (allocated by G_store())
+  \return NULL on error
+*/
+const char *Vect_get_ogr_format_info(const struct Map_info *Map)
+{
+#ifdef HAVE_OGR
+    if (!Map->fInfo.ogr.ds)
+	return NULL;
+    
+    return G_store(OGR_Dr_GetName(OGR_DS_GetDriver(Map->fInfo.ogr.ds)));
+#endif
+    return NULL;
+}
+   
+/*!
    \brief Check if vector map is 3D (with z)
 
    \param Map vector map

vector/v.info/print.c

@@ -173,12 +173,23 @@ void print_info(const struct Map_info *Map)
     struct bound_box box;
     
     divider('+');
-    sprintf(line, "%-17s%s", _("Name:"),
-	    Vect_get_name(Map));
-    printline(line);
-    sprintf(line, "%-17s%s", _("Mapset:"),
-	    Vect_get_mapset(Map));
-    printline(line);
+    if (Vect_maptype(Map) == GV_FORMAT_OGR) {
+	/* for OGR format print also datasource and layer */
+	sprintf(line, "%-17s%s", _("OGR layer:"),
+		Vect_get_ogr_layer_name(Map));
+	printline(line);
+	sprintf(line, "%-17s%s", _("OGR datasource:"),
+		Vect_get_ogr_dsn_name(Map));
+	printline(line);
+    }
+    else {
+	sprintf(line, "%-17s%s", _("Name:"),
+		Vect_get_name(Map));
+	printline(line);
+	sprintf(line, "%-17s%s", _("Mapset:"),
+		Vect_get_mapset(Map));
+	printline(line);
+    }
     sprintf(line, "%-17s%s", _("Location:"),
 	    G_location());
     printline(line);
@@ -191,8 +202,14 @@ void print_info(const struct Map_info *Map)
     sprintf(line, "%-17s1:%d", _("Map scale:"),
 	    Vect_get_scale(Map));
     printline(line);
-    sprintf(line, "%-17s%s", _("Map format:"),
-	    Vect_maptype_info(Map));
+    if (Vect_maptype(Map) == GV_FORMAT_OGR) {
+	sprintf(line, "%-17s%s (%s)", _("Map format:"),
+		Vect_maptype_info(Map), Vect_get_ogr_format_info(Map));
+    }
+    else {
+	sprintf(line, "%-17s%s", _("Map format:"),
+		Vect_maptype_info(Map));
+    }
     printline(line);
     sprintf(line, "%-17s%s", _("Name of creator:"),
 	    Vect_get_person(Map));