Example #1
0
static EekKeyboard *
eek_xml_layout_real_create_keyboard (EekLayout *self,
                                     gdouble    initial_width,
                                     gdouble    initial_height)
{
    EekXmlLayout *layout = EEK_XML_LAYOUT (self);
    EekKeyboard *keyboard;
    gchar *filename, *path;
    GList *loaded;
    GError *error;
    gboolean retval;

    /* Create an empty keyboard to which geometry and symbols
       information are applied. */
    keyboard = g_object_new (EEK_TYPE_KEYBOARD, "layout", layout, NULL);

    /* Read geometry information. */
    filename = g_strdup_printf ("%s.xml", layout->priv->desc->geometry);
    path = g_build_filename (layout->priv->keyboards_dir, "geometry", filename, NULL);
    g_free (filename);

    error = NULL;
    retval = parse_geometry (path, keyboard, &error);
    g_free (path);
    if (!retval) {
        g_object_unref (keyboard);
        g_warning ("can't parse geometry file %s: %s",
                   layout->priv->desc->geometry,
                   error->message);
        g_error_free (error);
        return NULL;
    }

    /* Read symbols information. */
    loaded = NULL;
    retval = parse_symbols_with_prerequisites (layout->priv->keyboards_dir,
                                               layout->priv->desc->symbols,
                                               keyboard,
                                               &loaded,
                                               &error);
    g_list_free_full (loaded, g_free);
    if (!retval) {
        g_object_unref (keyboard);
        g_warning ("can't parse symbols file %s: %s",
                   layout->priv->desc->symbols,
                   error->message);
        g_error_free (error);
        return NULL;
    }

    /* Fit keyboard in the given width and hight. */
    scale_keyboard (keyboard, initial_width, initial_height);

    /* Use pre-defined modifier mask here. */
    eek_keyboard_set_num_lock_mask (keyboard, EEK_MOD2_MASK);
    eek_keyboard_set_alt_gr_mask (keyboard, EEK_MOD5_MASK);

    return keyboard;
}
Example #2
0
void  handler_set_geometry( char *argv, void *trg, long param )
{
    register ASGeometry *geom = trg ;
    if( argv )
	{
		memset( geom, 0x00, sizeof(ASGeometry));
		parse_geometry (argv, &(geom->x), &(geom->y), &(geom->width), &(geom->height), &(geom->flags) );
	}
}
Example #3
0
void parse_geometry_or_feature(Iterator& itr, Iterator const& end, feature_impl& feature, transcoder const& tr )
{
    Iterator start = itr;
    try
    {
        parse_feature(start, end, feature, tr);
    }
    catch (...)
    {
        start = itr;
        parse_geometry(start, end, feature);
    }
}
Example #4
0
void parse_geometry(int t, json_object *j, unsigned *bbox, long long *fpos, FILE *out, int op, const char *fname, json_pull *source) {
	if (j == NULL || j->type != JSON_ARRAY) {
		fprintf(stderr, "%s:%d: expected array for type %d\n", fname, source->line, t);
		return;
	}

	int within = geometry_within[t];
	long long began = *fpos;
	if (within >= 0) {
		int i;
		for (i = 0; i < j->length; i++) {
			if (within == GEOM_POINT) {
				if (i == 0 || mb_geometry[t] == GEOM_MULTIPOINT) {
					op = VT_MOVETO;
				} else {
					op = VT_LINETO;
				}
			}

			parse_geometry(within, j->array[i], bbox, fpos, out, op, fname, source);
		}
	} else {
		if (j->length >= 2 && j->array[0]->type == JSON_NUMBER && j->array[1]->type == JSON_NUMBER) {
			unsigned x, y;
			double lon = j->array[0]->number;
			double lat = j->array[1]->number;
			latlon2tile(lat, lon, 32, &x, &y);

			if (j->length > 2) {
				static int warned = 0;

				if (!warned) {
					fprintf(stderr, "%s:%d: ignoring dimensions beyond two\n", fname, source->line);
					warned = 1;
				}
			}

			if (bbox != NULL) {
				if (x < bbox[0]) {
					bbox[0] = x;
				}
				if (y < bbox[1]) {
					bbox[1] = y;
				}
				if (x > bbox[2]) {
					bbox[2] = x;
				}
				if (y > bbox[3]) {
					bbox[3] = y;
				}
			}

			serialize_byte(out, op, fpos, fname);
			serialize_uint(out, x, fpos, fname);
			serialize_uint(out, y, fpos, fname);
		} else {
			fprintf(stderr, "%s:%d: malformed point\n", fname, source->line);
		}
	}

	if (t == GEOM_POLYGON) {
		if (*fpos != began) {
			serialize_byte(out, VT_CLOSEPATH, fpos, fname);
		}
	}
}
Example #5
0
int read_json(int argc, char **argv, char *fname, const char *layername, int maxzoom, int minzoom, sqlite3 *outdb, struct pool *exclude, struct pool *include, int exclude_all, double droprate, int buffer, const char *tmpdir, double gamma, char *prevent) {
	int ret = EXIT_SUCCESS;

	char metaname[strlen(tmpdir) + strlen("/meta.XXXXXXXX") + 1];
	char geomname[strlen(tmpdir) + strlen("/geom.XXXXXXXX") + 1];
	char indexname[strlen(tmpdir) + strlen("/index.XXXXXXXX") + 1];

	sprintf(metaname, "%s%s", tmpdir, "/meta.XXXXXXXX");
	sprintf(geomname, "%s%s", tmpdir, "/geom.XXXXXXXX");
	sprintf(indexname, "%s%s", tmpdir, "/index.XXXXXXXX");

	int metafd = mkstemp(metaname);
	if (metafd < 0) {
		perror(metaname);
		exit(EXIT_FAILURE);
	}
	int geomfd = mkstemp(geomname);
	if (geomfd < 0) {
		perror(geomname);
		exit(EXIT_FAILURE);
	}
	int indexfd = mkstemp(indexname);
	if (indexfd < 0) {
		perror(indexname);
		exit(EXIT_FAILURE);
	}

	FILE *metafile = fopen(metaname, "wb");
	if (metafile == NULL) {
		perror(metaname);
		exit(EXIT_FAILURE);
	}
	FILE *geomfile = fopen(geomname, "wb");
	if (geomfile == NULL) {
		perror(geomname);
		exit(EXIT_FAILURE);
	}
	FILE *indexfile = fopen(indexname, "wb");
	if (indexfile == NULL) {
		perror(indexname);
		exit(EXIT_FAILURE);
	}
	long long metapos = 0;
	long long geompos = 0;
	long long indexpos = 0;

	unlink(metaname);
	unlink(geomname);
	unlink(indexname);

	unsigned file_bbox[] = { UINT_MAX, UINT_MAX, 0, 0 };
	unsigned midx = 0, midy = 0;
	long long seq = 0;

	int nlayers = argc;
	if (nlayers == 0) {
		nlayers = 1;
	}

	int n;
	for (n = 0; n < nlayers; n++) {
		json_pull *jp;
		const char *reading;
		FILE *fp;
		long long found_hashes = 0;
		long long found_features = 0;

		if (n >= argc) {
			reading = "standard input";
			fp = stdin;
		} else {
			reading = argv[n];
			fp = fopen(argv[n], "r");
			if (fp == NULL) {
				perror(argv[n]);
				continue;
			}
		}

		jp = json_begin_file(fp);

		while (1) {
			json_object *j = json_read(jp);
			if (j == NULL) {
				if (jp->error != NULL) {
					fprintf(stderr, "%s:%d: %s\n", reading, jp->line, jp->error);
				}

				json_free(jp->root);
				break;
			}

			if (j->type == JSON_HASH) {
				found_hashes++;

				if (found_hashes == 50 && found_features == 0) {
					fprintf(stderr, "%s:%d: Not finding any GeoJSON features in input. Is your file just bare geometries?\n", reading, jp->line);
					break;
				}
			}

			json_object *type = json_hash_get(j, "type");
			if (type == NULL || type->type != JSON_STRING || strcmp(type->string, "Feature") != 0) {
				continue;
			}

			found_features++;

			json_object *geometry = json_hash_get(j, "geometry");
			if (geometry == NULL) {
				fprintf(stderr, "%s:%d: feature with no geometry\n", reading, jp->line);
				json_free(j);
				continue;
			}

			json_object *geometry_type = json_hash_get(geometry, "type");
			if (geometry_type == NULL) {
				static int warned = 0;
				if (!warned) {
					fprintf(stderr, "%s:%d: null geometry (additional not reported)\n", reading, jp->line);
					warned = 1;
				}

				json_free(j);
				continue;
			}

			if (geometry_type->type != JSON_STRING) {
				fprintf(stderr, "%s:%d: geometry without type\n", reading, jp->line);
				json_free(j);
				continue;
			}

			json_object *properties = json_hash_get(j, "properties");
			if (properties == NULL || (properties->type != JSON_HASH && properties->type != JSON_NULL)) {
				fprintf(stderr, "%s:%d: feature without properties hash\n", reading, jp->line);
				json_free(j);
				continue;
			}

			json_object *coordinates = json_hash_get(geometry, "coordinates");
			if (coordinates == NULL || coordinates->type != JSON_ARRAY) {
				fprintf(stderr, "%s:%d: feature without coordinates array\n", reading, jp->line);
				json_free(j);
				continue;
			}

			int t;
			for (t = 0; t < GEOM_TYPES; t++) {
				if (strcmp(geometry_type->string, geometry_names[t]) == 0) {
					break;
				}
			}
			if (t >= GEOM_TYPES) {
				fprintf(stderr, "%s:%d: Can't handle geometry type %s\n", reading, jp->line, geometry_type->string);
				json_free(j);
				continue;
			}

			{
				unsigned bbox[] = { UINT_MAX, UINT_MAX, 0, 0 };

				int nprop = 0;
				if (properties->type == JSON_HASH) {
					nprop = properties->length;
				}

				long long metastart = metapos;
				char *metakey[nprop];
				char *metaval[nprop];
				int metatype[nprop];
				int m = 0;

				int i;
				for (i = 0; i < nprop; i++) {
					if (properties->keys[i]->type == JSON_STRING) {
						if (exclude_all) {
							if (!is_pooled(include, properties->keys[i]->string, VT_STRING)) {
								continue;
							}
						} else if (is_pooled(exclude, properties->keys[i]->string, VT_STRING)) {
							continue;
						}

						metakey[m] = properties->keys[i]->string;

						if (properties->values[i] != NULL && properties->values[i]->type == JSON_STRING) {
							metatype[m] = VT_STRING;
							metaval[m] = properties->values[i]->string;
							m++;
						} else if (properties->values[i] != NULL && properties->values[i]->type == JSON_NUMBER) {
							metatype[m] = VT_NUMBER;
							metaval[m] = properties->values[i]->string;
							m++;
						} else if (properties->values[i] != NULL && (properties->values[i]->type == JSON_TRUE || properties->values[i]->type == JSON_FALSE)) {
							metatype[m] = VT_BOOLEAN;
							metaval[m] = properties->values[i]->type == JSON_TRUE ? "true" : "false";
							m++;
						} else if (properties->values[i] != NULL && (properties->values[i]->type == JSON_NULL)) {
							;
						} else {
							fprintf(stderr, "%s:%d: Unsupported property type for %s\n", reading, jp->line, properties->keys[i]->string);
							json_free(j);
							continue;
						}
					}
				}

				serialize_int(metafile, m, &metapos, fname);
				for (i = 0; i < m; i++) {
					serialize_int(metafile, metatype[i], &metapos, fname);
					serialize_string(metafile, metakey[i], &metapos, fname);
					serialize_string(metafile, metaval[i], &metapos, fname);
				}

				long long geomstart = geompos;

				serialize_byte(geomfile, mb_geometry[t], &geompos, fname);
				serialize_byte(geomfile, n, &geompos, fname);
				serialize_long_long(geomfile, metastart, &geompos, fname);
				parse_geometry(t, coordinates, bbox, &geompos, geomfile, VT_MOVETO, fname, jp);
				serialize_byte(geomfile, VT_END, &geompos, fname);

				/*
				 * Note that minzoom for lines is the dimension
				 * of the geometry in world coordinates, but
				 * for points is the lowest zoom level (in tiles,
				 * not in pixels) at which it should be drawn.
				 *
				 * So a line that is too small for, say, z8
				 * will have minzoom of 18 (if tile detail is 10),
				 * not 8.
				 */
				int minzoom = 0;
				if (mb_geometry[t] == VT_LINE) {
					for (minzoom = 0; minzoom < 31; minzoom++) {
						unsigned mask = 1 << (32 - (minzoom + 1));

						if (((bbox[0] & mask) != (bbox[2] & mask)) ||
						    ((bbox[1] & mask) != (bbox[3] & mask))) {
							break;
						}
					}
				} else if (mb_geometry[t] == VT_POINT) {
					double r = ((double) rand()) / RAND_MAX;
					if (r == 0) {
						r = .00000001;
					}
					minzoom = maxzoom - floor(log(r) / - log(droprate));
				}

				serialize_byte(geomfile, minzoom, &geompos, fname);

				struct index index;
				index.start = geomstart;
				index.end = geompos;
				index.index = encode(bbox[0] / 2 + bbox[2] / 2, bbox[1] / 2 + bbox[3] / 2);
				fwrite_check(&index, sizeof(struct index), 1, indexfile, fname);
				indexpos += sizeof(struct index);

				for (i = 0; i < 2; i++) {
					if (bbox[i] < file_bbox[i]) {
						file_bbox[i] = bbox[i];
					}
				}
				for (i = 2; i < 4; i++) {
					if (bbox[i] > file_bbox[i]) {
						file_bbox[i] = bbox[i];
					}
				}
			
				if (seq % 10000 == 0) {
					fprintf(stderr, "Read %.2f million features\r", seq / 1000000.0);
				}
				seq++;
			}

			json_free(j);

			/* XXX check for any non-features in the outer object */
		}

		json_end(jp);
		fclose(fp);
	}

	fclose(metafile);
	fclose(geomfile);
	fclose(indexfile);

	struct stat geomst;
	struct stat metast;

	if (fstat(geomfd, &geomst) != 0) {
		perror("stat geom\n");
		exit(EXIT_FAILURE);
	}
	if (fstat(metafd, &metast) != 0) {
		perror("stat meta\n");
		exit(EXIT_FAILURE);
	}

	if (geomst.st_size == 0 || metast.st_size == 0) {
		fprintf(stderr, "did not read any valid geometries\n");
		exit(EXIT_FAILURE);
	}

	char *meta = (char *) mmap(NULL, metast.st_size, PROT_READ, MAP_PRIVATE, metafd, 0);
	if (meta == MAP_FAILED) {
		perror("mmap meta");
		exit(EXIT_FAILURE);
	}

	struct pool file_keys1[nlayers];
	struct pool *file_keys[nlayers];
	int i;
	for (i = 0; i < nlayers; i++) {
		pool_init(&file_keys1[i], 0);
		file_keys[i] = &file_keys1[i];
	}

	char *layernames[nlayers];
	for (i = 0; i < nlayers; i++) {
		if (argc <= 1 && layername != NULL) {
			layernames[i] = strdup(layername);
		} else {
			char *src = argv[i];
			if (argc < 1) {
				src = fname;
			}

			char *trunc = layernames[i] = malloc(strlen(src) + 1);
			const char *ocp, *use = src;
			for (ocp = src; *ocp; ocp++) {
				if (*ocp == '/' && ocp[1] != '\0') {
					use = ocp + 1;
				}
			}
			strcpy(trunc, use);

			char *cp = strstr(trunc, ".json");
			if (cp != NULL) {
				*cp = '\0';
			}
			cp = strstr(trunc, ".mbtiles");
			if (cp != NULL) {
				*cp = '\0';
			}
			layername = trunc;

			char *out = trunc;
			for (cp = trunc; *cp; cp++) {
				if (isalpha(*cp) || isdigit(*cp) || *cp == '_') {
					*out++ = *cp;
				}
			}
			*out = '\0';

			printf("using layer %d name %s\n", i, trunc);
		}
	}

	/* Sort the index by geometry */

	{
		int bytes = sizeof(struct index);
		fprintf(stderr, "Sorting %lld features\n", (long long) indexpos / bytes);

		int page = sysconf(_SC_PAGESIZE);
		long long unit = (50 * 1024 * 1024 / bytes) * bytes;
		while (unit % page != 0) {
			unit += bytes;
		}

		int nmerges = (indexpos + unit - 1) / unit;
		struct merge merges[nmerges];

		long long start;
		for (start = 0; start < indexpos; start += unit) {
			long long end = start + unit;
			if (end > indexpos) {
				end = indexpos;
			}

			if (nmerges != 1) {
				fprintf(stderr, "Sorting part %lld of %d\r", start / unit + 1, nmerges);
			}

			merges[start / unit].start = start;
			merges[start / unit].end = end;
			merges[start / unit].next = NULL;

			void *map = mmap(NULL, end - start, PROT_READ | PROT_WRITE, MAP_PRIVATE, indexfd, start);
			if (map == MAP_FAILED) {
				perror("mmap");
				exit(EXIT_FAILURE);
			}

			qsort(map, (end - start) / bytes, bytes, indexcmp);

			// Sorting and then copying avoids the need to
			// write out intermediate stages of the sort.

			void *map2 = mmap(NULL, end - start, PROT_READ | PROT_WRITE, MAP_SHARED, indexfd, start);
			if (map2 == MAP_FAILED) {
				perror("mmap (write)");
				exit(EXIT_FAILURE);
			}

			memcpy(map2, map, end - start);

			munmap(map, end - start);
			munmap(map2, end - start);
		}

		if (nmerges != 1) {
			fprintf(stderr, "\n");
		}

		void *map = mmap(NULL, indexpos, PROT_READ, MAP_PRIVATE, indexfd, 0);
		if (map == MAP_FAILED) {
			perror("mmap");
			exit(EXIT_FAILURE);
		}

		FILE *f = fopen(indexname, "w");
		if (f == NULL) {
			perror(indexname);
			exit(EXIT_FAILURE);
		}

		merge(merges, nmerges, (unsigned char *) map, f, bytes, indexpos / bytes);

		munmap(map, indexpos);
		fclose(f);
		close(indexfd);
	}

	/* Copy geometries to a new file in index order */

	indexfd = open(indexname, O_RDONLY);
	if (indexfd < 0) {
		perror("reopen sorted index");
		exit(EXIT_FAILURE);
	}
	struct index *index_map = mmap(NULL, indexpos, PROT_READ, MAP_PRIVATE, indexfd, 0);
	if (index_map == MAP_FAILED) {
		perror("mmap index");
		exit(EXIT_FAILURE);
	}
	unlink(indexname);

	char *geom_map = mmap(NULL, geomst.st_size, PROT_READ, MAP_PRIVATE, geomfd, 0);
	if (geom_map == MAP_FAILED) {
		perror("mmap unsorted geometry");
		exit(EXIT_FAILURE);
	}
	if (close(geomfd) != 0) {
		perror("close unsorted geometry");
	}

	sprintf(geomname, "%s%s", tmpdir, "/geom.XXXXXXXX");
	geomfd = mkstemp(geomname);
	if (geomfd < 0) {
		perror(geomname);
		exit(EXIT_FAILURE);
	}
	geomfile = fopen(geomname, "wb");
	if (geomfile == NULL) {
		perror(geomname);
		exit(EXIT_FAILURE);
	}

	{
		geompos = 0;

		/* initial tile is 0/0/0 */
		serialize_int(geomfile, 0, &geompos, fname);
		serialize_uint(geomfile, 0, &geompos, fname);
		serialize_uint(geomfile, 0, &geompos, fname);

		long long i;
		long long sum = 0;
		long long progress = 0;
		for (i = 0; i < indexpos / sizeof(struct index); i++) {
			fwrite_check(geom_map + index_map[i].start, sizeof(char), index_map[i].end - index_map[i].start, geomfile, fname);
			sum += index_map[i].end - index_map[i].start;

			long long p = 1000 * i / (indexpos / sizeof(struct index));
			if (p != progress) {
				fprintf(stderr, "Reordering geometry: %3.1f%%\r", p / 10.0);
				progress = p;
			}
		}

		/* end of tile */
		serialize_byte(geomfile, -2, &geompos, fname);
		fclose(geomfile);
	}

	if (munmap(index_map, indexpos) != 0) {
		perror("unmap sorted index");
	}
	if (munmap(geom_map, geomst.st_size) != 0) {
		perror("unmap unsorted geometry");
	}
	if (close(indexfd) != 0) {
		perror("close sorted index");
	}

	/* Traverse and split the geometries for each zoom level */

	geomfd = open(geomname, O_RDONLY);
	if (geomfd < 0) {
		perror("reopen sorted geometry");
		exit(EXIT_FAILURE);
	}
	unlink(geomname);
	if (fstat(geomfd, &geomst) != 0) {
		perror("stat sorted geom\n");
		exit(EXIT_FAILURE);
	}

	int fd[4];
	off_t size[4];

	fd[0] = geomfd;
	size[0] = geomst.st_size;

	int j;
	for (j = 1; j < 4; j++) {
		fd[j] = -1;
		size[j] = 0;
	}

	fprintf(stderr, "%lld features, %lld bytes of geometry, %lld bytes of metadata\n", seq, (long long) geomst.st_size, (long long) metast.st_size);

	int written = traverse_zooms(fd, size, meta, file_bbox, file_keys, &midx, &midy, layernames, maxzoom, minzoom, outdb, droprate, buffer, fname, tmpdir, gamma, nlayers, prevent);

	if (maxzoom != written) {
		fprintf(stderr, "\n\n\n*** NOTE TILES ONLY COMPLETE THROUGH ZOOM %d ***\n\n\n", written);
		maxzoom = written;
		ret = EXIT_FAILURE;
	}

	if (munmap(meta, metast.st_size) != 0) {
		perror("munmap meta");
	}

	if (close(metafd) < 0) {
		perror("close meta");
	}

	double minlat = 0, minlon = 0, maxlat = 0, maxlon = 0, midlat = 0, midlon = 0;

	tile2latlon(midx, midy, maxzoom, &maxlat, &minlon);
	tile2latlon(midx + 1, midy + 1, maxzoom, &minlat, &maxlon);

	midlat = (maxlat + minlat) / 2;
	midlon = (maxlon + minlon) / 2;

	tile2latlon(file_bbox[0], file_bbox[1], 32, &maxlat, &minlon);
	tile2latlon(file_bbox[2], file_bbox[3], 32, &minlat, &maxlon);

	if (midlat < minlat) {
		midlat = minlat;
	}
	if (midlat > maxlat) {
		midlat = maxlat;
	}
	if (midlon < minlon) {
		midlon = minlon;
	}
	if (midlon > maxlon) {
		midlon = maxlon;
	}

	mbtiles_write_metadata(outdb, fname, layernames, minzoom, maxzoom, minlat, minlon, maxlat, maxlon, midlat, midlon, file_keys, nlayers); // XXX layers

	for (i = 0; i < nlayers; i++) {
		pool_free_strings(&file_keys1[i]);
		free(layernames[i]);
	}
	return ret;
}