Use single-quote quoting instead of backslash quoting

Makefile

@@ -206,7 +206,7 @@ join-test: tile-join
 	cmp tests/join-population/merged.mbtiles.json.check tests/join-population/merged.mbtiles.json
 	cmp tests/join-population/windows.mbtiles.json.check tests/join-population/windows.mbtiles.json
 	rm -f tests/join-population/joined-null.mbtiles tests/join-population/joined-null.mbtiles.json.check
-	./tile-join -q -f -l macarthur -n "macarthur name" -N "macarthur description" -A "macarthur attribution" -o tests/join-population/just-macarthur.mbtiles tests/join-population/merged.mbtiles
+	./tile-join -q -f -l macarthur -n "macarthur name" -N "macarthur description" -A "macarthur's attribution" -o tests/join-population/just-macarthur.mbtiles tests/join-population/merged.mbtiles
 	./tile-join -q -f -L macarthur -o tests/join-population/no-macarthur.mbtiles tests/join-population/merged.mbtiles
 	./tippecanoe-decode -x generator tests/join-population/just-macarthur.mbtiles > tests/join-population/just-macarthur.mbtiles.json.check
 	./tippecanoe-decode -x generator tests/join-population/no-macarthur.mbtiles > tests/join-population/no-macarthur.mbtiles.json.check

tests/join-population/joined-no-tile-stats.mbtiles.json

@@ -3,7 +3,7 @@
 "center": "-122.299805,37.892187,12",
 "description": "tests/join-population/tabblock_06001420.mbtiles",
 "format": "pbf",
-"generator_options": "./tippecanoe -q -f -z12 -o tests/join-population/tabblock_06001420.mbtiles -YALAND10:Land\\ area -L{\"file\":\\ \"tests/join-population/tabblock_06001420.json\",\\ \"description\":\\ \"population\"}; ./tile-join --quiet --force --no-tile-stats -o tests/join-population/joined-no-tile-stats.mbtiles -x GEOID10 -c tests/join-population/population.csv tests/join-population/tabblock_06001420.mbtiles",
+"generator_options": "./tippecanoe -q -f -z12 -o tests/join-population/tabblock_06001420.mbtiles '-YALAND10:Land area' '-L{\"file\": \"tests/join-population/tabblock_06001420.json\", \"description\": \"population\"}'; ./tile-join --quiet --force --no-tile-stats -o tests/join-population/joined-no-tile-stats.mbtiles -x GEOID10 -c tests/join-population/population.csv tests/join-population/tabblock_06001420.mbtiles",
 "json": "{\"vector_layers\": [ { \"id\": \"tabblock_06001420\", \"description\": \"population\", \"minzoom\": 3, \"maxzoom\": 12, \"fields\": {\"ALAND10\": \"Land area\", \"AWATER10\": \"Number\", \"BLOCKCE10\": \"String\", \"COUNTYFP10\": \"String\", \"FUNCSTAT10\": \"String\", \"INTPTLAT10\": \"String\", \"INTPTLON10\": \"String\", \"MTFCC10\": \"String\", \"NAME10\": \"String\", \"STATEFP10\": \"String\", \"TRACTCE10\": \"String\", \"UACE10\": \"String\", \"UATYP10\": \"String\", \"UR10\": \"String\", \"population\": \"Mixed\"} } ]}",
 "maxzoom": "12",
 "minzoom": "0",

tests/join-population/just-macarthur.mbtiles.json

@@ -4,7 +4,7 @@
 "center": "-122.299805,37.892187,12",
 "description": "macarthur description",
 "format": "pbf",
-"generator_options": "./tippecanoe -q -f -Z5 -z10 -o tests/join-population/macarthur.mbtiles -l macarthur tests/join-population/macarthur.json; ./tippecanoe -q -f -d10 -D10 -Z9 -z11 -o tests/join-population/macarthur2.mbtiles -l macarthur tests/join-population/macarthur2.json; ./tippecanoe -q -f -z12 -o tests/join-population/tabblock_06001420.mbtiles -YALAND10:Land\\ area -L{\"file\":\\ \"tests/join-population/tabblock_06001420.json\",\\ \"description\":\\ \"population\"}; ./tile-join -q -f -o tests/join-population/merged.mbtiles tests/join-population/tabblock_06001420.mbtiles tests/join-population/macarthur.mbtiles tests/join-population/macarthur2.mbtiles; ./tile-join -q -f -l macarthur -n macarthur\\ name -N macarthur\\ description -A macarthur\\ attribution -o tests/join-population/just-macarthur.mbtiles tests/join-population/merged.mbtiles",
+"generator_options": "./tippecanoe -q -f -Z5 -z10 -o tests/join-population/macarthur.mbtiles -l macarthur tests/join-population/macarthur.json; ./tippecanoe -q -f -d10 -D10 -Z9 -z11 -o tests/join-population/macarthur2.mbtiles -l macarthur tests/join-population/macarthur2.json; ./tippecanoe -q -f -z12 -o tests/join-population/tabblock_06001420.mbtiles '-YALAND10:Land area' '-L{\"file\": \"tests/join-population/tabblock_06001420.json\", \"description\": \"population\"}'; ./tile-join -q -f -o tests/join-population/merged.mbtiles tests/join-population/tabblock_06001420.mbtiles tests/join-population/macarthur.mbtiles tests/join-population/macarthur2.mbtiles; ./tile-join -q -f -l macarthur -n 'macarthur name' -N 'macarthur description' -A 'macarthur attribution' -o tests/join-population/just-macarthur.mbtiles tests/join-population/merged.mbtiles",
 "json": "{\"vector_layers\": [ { \"id\": \"macarthur\", \"description\": \"\", \"minzoom\": 5, \"maxzoom\": 11, \"fields\": {\"FULLNAME\": \"String\", \"LINEARID\": \"String\", \"MTFCC\": \"String\", \"RTTYP\": \"String\"} } ],\"tilestats\": {\"layerCount\": 1,\"layers\": [{\"layer\": \"macarthur\",\"count\": 169,\"geometry\": \"LineString\",\"attributeCount\": 4,\"attributes\": [{\"attribute\": \"FULLNAME\",\"count\": 5,\"type\": \"string\",\"values\": [\"Macarthur\",\"Macarthur Blvd\",\"Macarthur Fwy\",\"W Macarthur\",\"W Macarthur Blvd\"]},{\"attribute\": \"LINEARID\",\"count\": 43,\"type\": \"string\",\"values\": [\"1102155930810\",\"1102156217102\",\"1102156241736\",\"1102156248968\",\"1102156510290\",\"1102157509691\",\"1102157651658\",\"1102406970092\",\"1102406970093\",\"1102406970094\",\"1102406970095\",\"1102407366406\",\"1102638069562\",\"1102638078801\",\"1102654601627\",\"1102654601663\",\"1102654602215\",\"1102954189105\",\"1102954918511\",\"1103690383700\",\"1103690474249\",\"1103690474250\",\"1103690483026\",\"1103690483032\",\"1103717593123\",\"1104469713187\",\"1104469713198\",\"1104474748623\",\"1104475134288\",\"1104475134436\",\"1104485605278\",\"1104485645649\",\"1104485773833\",\"1104486090991\",\"1104486392881\",\"1105089436004\",\"1105089465114\",\"1105089465116\",\"1105281275434\",\"1105281275687\",\"1105281275688\",\"1105281275689\",\"1105281275692\"]},{\"attribute\": \"MTFCC\",\"count\": 2,\"type\": \"string\",\"values\": [\"S1100\",\"S1400\"]},{\"attribute\": \"RTTYP\",\"count\": 1,\"type\": \"string\",\"values\": [\"M\"]}]}]}}",
 "maxzoom": "12",
 "minzoom": "0",

tests/join-population/renamed.mbtiles.json

@@ -3,7 +3,7 @@
 "center": "-122.167969,37.828608,10",
 "description": "tests/join-population/macarthur2.mbtiles",
 "format": "pbf",
-"generator_options": "./tippecanoe -q -f -Z5 -z10 -o tests/join-population/macarthur.mbtiles -l macarthur1 tests/join-population/macarthur.json; ./tippecanoe -q -f -Z5 -z10 -o tests/join-population/macarthur2.mbtiles -l macarthur2 tests/join-population/macarthur2.json; ./tile-join -q -R macarthur1:one --rename-layer=macarthur2:two -f -o tests/join-population/renamed.mbtiles tests/join-population/macarthur.mbtiles tests/join-population/macarthur2.mbtiles",
+"generator_options": "./tippecanoe -q -f -Z5 -z10 -o tests/join-population/macarthur.mbtiles -l macarthur1 tests/join-population/macarthur.json; ./tippecanoe -q -f -Z5 -z10 -o tests/join-population/macarthur2.mbtiles -l macarthur2 tests/join-population/macarthur2.json; ./tile-join -q -R macarthur1:one '--rename-layer=macarthur2:two' -f -o tests/join-population/renamed.mbtiles tests/join-population/macarthur.mbtiles tests/join-population/macarthur2.mbtiles",
 "json": "{\"vector_layers\": [ { \"id\": \"one\", \"description\": \"\", \"minzoom\": 5, \"maxzoom\": 10, \"fields\": {\"FULLNAME\": \"String\", \"LINEARID\": \"String\", \"MTFCC\": \"String\", \"RTTYP\": \"String\"} }, { \"id\": \"two\", \"description\": \"\", \"minzoom\": 5, \"maxzoom\": 10, \"fields\": {\"FULLNAME\": \"String\", \"LINEARID\": \"String\", \"MTFCC\": \"String\", \"RTTYP\": \"String\"} } ],\"tilestats\": {\"layerCount\": 2,\"layers\": [{\"layer\": \"one\",\"count\": 90,\"geometry\": \"LineString\",\"attributeCount\": 4,\"attributes\": [{\"attribute\": \"FULLNAME\",\"count\": 3,\"type\": \"string\",\"values\": [\"Macarthur\",\"Macarthur Fwy\",\"W Macarthur\"]},{\"attribute\": \"LINEARID\",\"count\": 17,\"type\": \"string\",\"values\": [\"1102155930810\",\"1102156241736\",\"1102156510290\",\"1102157651658\",\"1102638069562\",\"1102654601627\",\"1102654601663\",\"1102654602215\",\"1102954918511\",\"1103690383700\",\"1103690474249\",\"1103690474250\",\"1103690483026\",\"1103690483032\",\"1104474748623\",\"1104486090991\",\"1104486392881\"]},{\"attribute\": \"MTFCC\",\"count\": 2,\"type\": \"string\",\"values\": [\"S1100\",\"S1400\"]},{\"attribute\": \"RTTYP\",\"count\": 1,\"type\": \"string\",\"values\": [\"M\"]}]},{\"layer\": \"two\",\"count\": 154,\"geometry\": \"LineString\",\"attributeCount\": 4,\"attributes\": [{\"attribute\": \"FULLNAME\",\"count\": 2,\"type\": \"string\",\"values\": [\"Macarthur Blvd\",\"W Macarthur Blvd\"]},{\"attribute\": \"LINEARID\",\"count\": 26,\"type\": \"string\",\"values\": [\"1102156217102\",\"1102156248968\",\"1102157509691\",\"1102406970092\",\"1102406970093\",\"1102406970094\",\"1102406970095\",\"1102407366406\",\"1102638078801\",\"1102954189105\",\"1103717593123\",\"1104469713187\",\"1104469713198\",\"1104475134288\",\"1104475134436\",\"1104485605278\",\"1104485645649\",\"1104485773833\",\"1105089436004\",\"1105089465114\",\"1105089465116\",\"1105281275434\",\"1105281275687\",\"1105281275688\",\"1105281275689\",\"1105281275692\"]},{\"attribute\": \"MTFCC\",\"count\": 1,\"type\": \"string\",\"values\": [\"S1400\"]},{\"attribute\": \"RTTYP\",\"count\": 1,\"type\": \"string\",\"values\": [\"M\"]}]}]}}",
 "maxzoom": "10",
 "minzoom": "5",

tests/nonascii/out/-z0.json

@@ -3,7 +3,7 @@
 "center": "0.000000,0.000000,0",
 "description": "tests/nonascii/out/-z0.json.check.mbtiles",
 "format": "pbf",
-"generator_options": "./tippecanoe -q -a@ -f -o tests/nonascii/out/-z0.json.check.mbtiles -z0 tests/nonascii/@@@.json tests/nonascii/堤防.json",
+"generator_options": "./tippecanoe -q -a@ -f -o tests/nonascii/out/-z0.json.check.mbtiles -z0 tests/nonascii/@@@.json 'tests/nonascii/堤防.json'",
 "json": "{\"vector_layers\": [ { \"id\": \"unknown0\", \"description\": \"\", \"minzoom\": 0, \"maxzoom\": 0, \"fields\": {} }, { \"id\": \"堤防\", \"description\": \"\", \"minzoom\": 0, \"maxzoom\": 0, \"fields\": {} } ],\"tilestats\": {\"layerCount\": 2,\"layers\": [{\"layer\": \"unknown0\",\"count\": 1,\"geometry\": \"LineString\",\"attributeCount\": 0,\"attributes\": []},{\"layer\": \"堤防\",\"count\": 1,\"geometry\": \"LineString\",\"attributeCount\": 0,\"attributes\": []}]}}",
 "maxzoom": "0",
 "minzoom": "0",

text.cpp

@@ -138,14 +138,29 @@ std::string format_commandline(int argc, char **argv) {
 	std::string out;
 
 	for (int i = 0; i < argc; i++) {
+		bool need_quote = false;
 		for (char *cp = argv[i]; *cp != '\0'; cp++) {
-			if (*cp == ' ' || *cp == '\\') {
+			if (!isalpha(*cp) && !isdigit(*cp) &&
-				out.push_back('\\');
+			    *cp != '/' && *cp != '-' && *cp != '_' && *cp != '@' && *cp != ':' &&
-				out.push_back(*cp);
+			    *cp != '.' && *cp != '%' && *cp != ',') {
+				need_quote = true;
+				break;
+			}
+		}
+
+		if (need_quote) {
+			out.push_back('\'');
+			for (char *cp = argv[i]; *cp != '\0'; cp++) {
+				if (*cp == '\'') {
+					out.append("'\"'\"'");
 				} else {
 					out.push_back(*cp);
 				}
 			}
+			out.push_back('\'');
+		} else {
+			out.append(argv[i]);
+		}
 
 		if (i + 1 < argc) {
 			out.push_back(' ');