Index strings

src/main/java/org/mtransit/commons/FeatureFlags.kt

@@ -31,5 +31,8 @@ object FeatureFlags {
     const val F_EXPORT_SERVICE_ID_INTS = false
     // const val F_EXPORT_SERVICE_ID_INTS = true // WIP
 
+    const val F_EXPORT_STRINGS = false
+    // const val F_EXPORT_STRINGS = true // WIP
+
     // @formatter:on
 }

src/main/java/org/mtransit/commons/GTFSCommons.kt

@@ -24,6 +24,9 @@ object GTFSCommons {
     const val T_ROUTE_K_ORIGINAL_ID_HASH = "o_id_hash"
     const val T_ROUTE_K_TYPE = "type"
 
+    @JvmField
+    val T_ROUTE_STRINGS_COLUMN_IDX = intArrayOf(1, 2)
+
     @JvmStatic
     val T_ROUTE_SQL_CREATE = SQLCreateBuilder.getNew(T_ROUTE).apply {
         appendColumn(T_ROUTE_K_ID, SQLUtils.INT_PK)
@@ -57,14 +60,21 @@ object GTFSCommons {
     const val T_DIRECTION_K_HEADSIGN_VALUE = "headsign_value" // really?
     const val T_DIRECTION_K_ROUTE_ID = "route_id"
 
+    @JvmField
+    val T_DIRECTION_STRINGS_COLUMN_IDX = intArrayOf(2)
+
     @Deprecated("use T_DIRECTION instead", ReplaceWith("T_DIRECTION"))
     const val T_TRIP = T_DIRECTION
+
     @Deprecated("use T_DIRECTION_K_ID instead", ReplaceWith("T_DIRECTION_K_ID"))
     const val T_TRIP_K_ID = T_DIRECTION_K_ID
+
     @Deprecated("use T_DIRECTION_K_HEADSIGN_TYPE instead", ReplaceWith("T_DIRECTION_K_HEADSIGN_TYPE"))
     const val T_TRIP_K_HEADSIGN_TYPE = T_DIRECTION_K_HEADSIGN_TYPE
+
     @Deprecated("use T_DIRECTION_K_HEADSIGN_VALUE instead", ReplaceWith("T_DIRECTION_K_HEADSIGN_VALUE"))
     const val T_TRIP_K_HEADSIGN_VALUE = T_DIRECTION_K_HEADSIGN_VALUE
+
     @Deprecated("use T_DIRECTION_K_ROUTE_ID instead", ReplaceWith("T_DIRECTION_K_ROUTE_ID"))
     const val T_TRIP_K_ROUTE_ID = T_DIRECTION_K_ROUTE_ID
 
@@ -113,6 +123,9 @@ object GTFSCommons {
     const val T_STOP_K_ACCESSIBLE = "a11y"
     const val T_STOP_K_ORIGINAL_ID_HASH = "o_id_hash"
 
+    @JvmField
+    val T_STOP_STRINGS_COLUMN_IDX = intArrayOf(2)
+
     @JvmStatic
     val T_STOP_SQL_CREATE = SQLCreateBuilder.getNew(T_STOP).apply {
         appendColumn(T_STOP_K_ID, SQLUtils.INT_PK)
@@ -151,14 +164,19 @@ object GTFSCommons {
 
     @Deprecated("use T_DIRECTION_STOPS instead", ReplaceWith("T_DIRECTION_STOPS"))
     const val T_TRIP_STOPS = T_DIRECTION_STOPS
+
     @Deprecated("use T_DIRECTION_STOPS_K_ID instead", ReplaceWith("T_DIRECTION_STOPS_K_ID"))
     const val T_TRIP_STOPS_K_ID = T_DIRECTION_STOPS_K_ID
+
     @Deprecated("use T_DIRECTION_STOPS_K_DIRECTION_ID instead", ReplaceWith("T_DIRECTION_STOPS_K_DIRECTION_ID"))
     const val T_TRIP_STOPS_K_TRIP_ID = T_DIRECTION_STOPS_K_DIRECTION_ID
+
     @Deprecated("use T_DIRECTION_STOPS_K_STOP_ID instead", ReplaceWith("T_DIRECTION_STOPS_K_STOP_ID"))
     const val T_TRIP_STOPS_K_STOP_ID = T_DIRECTION_STOPS_K_STOP_ID
+
     @Deprecated("use T_DIRECTION_STOPS_K_STOP_SEQUENCE instead", ReplaceWith("T_DIRECTION_STOPS_K_STOP_SEQUENCE"))
     const val T_TRIP_STOPS_K_STOP_SEQUENCE = T_DIRECTION_STOPS_K_STOP_SEQUENCE
+
     @Deprecated("use T_DIRECTION_STOPS_K_NO_PICKUP instead", ReplaceWith("T_DIRECTION_STOPS_K_NO_PICKUP"))
     const val T_TRIP_STOPS_K_NO_PICKUP = T_DIRECTION_STOPS_K_NO_PICKUP
 
@@ -264,6 +282,31 @@ object GTFSCommons {
 
     // endregion Service Dates
 
+    // region Strings
+
+    const val STRINGS_SEPARATOR = " "
+
+    const val T_STRINGS = "strings"
+    const val T_STRINGS_K_ID = SQLUtils.BASE_COLUMNS_ID
+    const val T_STRINGS_K_STRING = "string"
+
+    @JvmStatic
+    val T_STRINGS_SQL_CREATE = SQLCreateBuilder.getNew(T_STRINGS).apply {
+        appendColumn(T_STRINGS_K_ID, SQLUtils.INT_PK_AUTO) // SQLite will determine next ID based on largest value in table, even after manual insert w/ custom ID value
+        appendColumn(T_STRINGS_K_STRING, SQLUtils.TXT, unique = true)
+    }.build()
+
+    @JvmStatic
+    val T_STRINGS_SQL_INSERT = SQLInsertBuilder.getNew(T_STRINGS).apply {
+        appendColumn(T_STRINGS_K_ID) // need to insert known string IDS+Int (Foreign Key used in other tables)
+        appendColumn(T_STRINGS_K_STRING)
+    }.build()
+
+    @JvmStatic
+    val T_STRINGS_SQL_DROP = SQLUtils.getSQLDropIfExistsQuery(T_STRINGS)
+
+    // endregion Strings
+
     @JvmField
     val DEFAULT_ID_HASH: Int? = null
 

src/main/java/org/mtransit/commons/sql/SQLUtils.kt

@@ -196,6 +196,12 @@ object SQLUtils {
             append(P2)
         }
 
+    @JvmName("unquotesUnescapeExt")
+    fun String.unquotesUnescape() = unquotes(this).unescape()
+
+    @JvmName("unescapeExt")
+    fun String.unescape() = unescapeString(this)
+
     @JvmStatic
     fun escapeString(string: String): String {
         return STRING_DELIMITER + string + STRING_DELIMITER