refactor to allow interacting with route stop settings

plugins/lua/stockpiles.lua

@@ -101,7 +101,7 @@ function export_stockpile(name, opts)
     stockpiles_export(name, get_sp_id(opts), includedElements)
 end
 
-function import_stockpile(name, opts)
+local function normalize_name(name)
     local is_library = false
     if name:startswith('library/') then
         name = name:sub(9)
@@ -109,11 +109,19 @@ function import_stockpile(name, opts)
     end
     assert_safe_name(name)
     if not is_library and dfhack.filesystem.exists(STOCKPILES_DIR .. '/' .. name .. '.dfstock') then
-        name = STOCKPILES_DIR .. '/' .. name
-    else
-        name = STOCKPILES_LIBRARY_DIR .. '/' .. name
+        return STOCKPILES_DIR .. '/' .. name
     end
-    stockpiles_import(name, get_sp_id(opts), opts.mode, table.concat(opts.filters, ','))
+    return STOCKPILES_LIBRARY_DIR .. '/' .. name
+end
+
+function import_stockpile(name, opts)
+    name = normalize_name(name)
+    stockpiles_import(name, get_sp_id(opts), opts.mode, table.concat(opts.filters or {}, ','))
+end
+
+function import_route(name, route_id, stop_id, mode, filters)
+    name = normalize_name(name)
+    stockpiles_route_import(name, route_id, stop_id, mode, table.concat(filters or {}, ','))
 end
 
 local valid_includes = {general=true, categories=true, types=true}

plugins/stockpiles/StockpileSerializer.h

@@ -4,6 +4,7 @@
 
 #include "df/itemdef.h"
 #include "df/organic_mat_category.h"
+#include "df/stockpile_settings.h"
 
 #include "proto/stockpiles.pb.h"
 
@@ -57,14 +58,14 @@ struct food_pair {
 /**
  * Class for serializing the stockpile_settings structure into a Google protobuf
  */
-class StockpileSerializer {
+class StockpileSettingsSerializer {
 public:
     /**
-     * @param stockpile stockpile to read or write settings to
+     * @param settings settings to read or write to
      */
-    StockpileSerializer(df::building_stockpilest* stockpile);
+    StockpileSettingsSerializer(df::stockpile_settings *settings);
 
-    ~StockpileSerializer();
+    ~StockpileSettingsSerializer();
 
     /**
      * Since we depend on protobuf-lite, not the full lib, we copy this function from
@@ -88,20 +89,20 @@ public:
      */
     bool unserialize_from_file(const std::string& file, DeserializeMode mode, const std::vector<std::string>& filters);
 
-private:
-    df::building_stockpilest* mPile;
+protected:
     dfstockpiles::StockpileSettings mBuffer;
 
     // read memory structures and serialize to protobuf
-    void write(uint32_t includedElements);
+    virtual void write(uint32_t includedElements);
 
     // parse serialized data into ui indices
-    void read(DeserializeMode mode, const std::vector<std::string>& filters);
+    virtual void read(DeserializeMode mode, const std::vector<std::string>& filters);
 
-    void write_containers();
-    void read_containers(DeserializeMode mode);
-    void write_general();
-    void read_general(DeserializeMode mode);
+    virtual void write_general();
+    virtual void read_general(DeserializeMode mode);
+
+private:
+    df::stockpile_settings *mSettings;
 
     bool write_ammo(dfstockpiles::StockpileSettings::AmmoSet* ammo);
     void read_ammo(DeserializeMode mode, const std::vector<std::string>& filters);
@@ -139,3 +140,32 @@ private:
     bool write_wood(dfstockpiles::StockpileSettings::WoodSet* wood);
     void read_wood(DeserializeMode mode, const std::vector<std::string>& filters);
 };
+
+/**
+ * Class for serializing a stockpile into a Google protobuf
+ */
+class StockpileSerializer : public StockpileSettingsSerializer {
+public:
+    /**
+     * @param stockpile stockpile to read or write settings to
+     */
+    StockpileSerializer(df::building_stockpilest* stockpile);
+
+    ~StockpileSerializer();
+
+protected:
+    // read memory structures and serialize to protobuf
+    virtual void write(uint32_t includedElements);
+
+    // parse serialized data into ui indices
+    virtual void read(DeserializeMode mode, const std::vector<std::string>& filters);
+
+    virtual void write_general();
+    virtual void read_general(DeserializeMode mode);
+
+private:
+    df::building_stockpilest* mPile;
+
+    void write_containers();
+    void read_containers(DeserializeMode mode);
+};

plugins/stockpiles/stockpiles.cpp

@@ -8,6 +8,8 @@
 
 #include "df/building.h"
 #include "df/building_stockpilest.h"
+#include "df/hauling_route.h"
+#include "df/hauling_stop.h"
 
 #include <string>
 #include <vector>
@@ -147,8 +149,54 @@ static bool stockpiles_import(color_ostream& out, string fname, int id, string m
     return true;
 }
 
+static bool stockpiles_route_import(color_ostream& out, string fname, int route_id, int stop_id, string mode_str, string filter) {
+    auto route = df::hauling_route::find(route_id);
+    if (!route) {
+        out.printerr("Specified hauling route not found: %d.\n", route_id);
+        return false;
+    }
+
+    df::hauling_stop *stop = binsearch_in_vector(route->stops, &df::hauling_stop::id, stop_id);
+    if (!stop) {
+        out.printerr("Specified hauling stop not found in route %d: %d.\n", route_id, stop_id);
+        return false;
+    }
+
+    if (!is_dfstockfile(fname))
+        fname += ".dfstock";
+
+    if (!Filesystem::exists(fname)) {
+        out.printerr("ERROR: file doesn't exist: '%s'\n", fname.c_str());
+        return false;
+    }
+
+    DeserializeMode mode = DESERIALIZE_MODE_SET;
+    if (mode_str == "enable")
+        mode = DESERIALIZE_MODE_ENABLE;
+    else if (mode_str == "disable")
+        mode = DESERIALIZE_MODE_DISABLE;
+
+    vector<string> filters;
+    split_string(&filters, filter, ",", true);
+
+    try {
+        StockpileSettingsSerializer cereal(&stop->settings);
+        if (!cereal.unserialize_from_file(fname, mode, filters)) {
+            out.printerr("deserialization failed: '%s'\n", fname.c_str());
+            return false;
+        }
+    }
+    catch (std::exception& e) {
+        out.printerr("deserialization failed: protobuf exception: %s\n", e.what());
+        return false;
+    }
+
+    return true;
+}
+
 DFHACK_PLUGIN_LUA_FUNCTIONS {
     DFHACK_LUA_FUNCTION(stockpiles_export),
     DFHACK_LUA_FUNCTION(stockpiles_import),
+    DFHACK_LUA_FUNCTION(stockpiles_route_import),
     DFHACK_LUA_END
 };