Refactoring in PlaceholderParser

xs/src/libslic3r/Config.hpp

@@ -26,8 +26,14 @@ class ConfigOption {
     virtual void setInt(int val) {};
 };
 
+class ConfigOptionVectorBase : public ConfigOption {
+    public:
+    virtual ~ConfigOptionVectorBase() {};
+    virtual std::vector<std::string> vserialize() const = 0;
+};
+
 template <class T>
-class ConfigOptionVector
+class ConfigOptionVector : public ConfigOptionVectorBase
 {
     public:
     virtual ~ConfigOptionVector() {};
@@ -63,7 +69,7 @@ class ConfigOptionFloat : public ConfigOption
     };
 };
 
-class ConfigOptionFloats : public ConfigOption, public ConfigOptionVector<double>
+class ConfigOptionFloats : public ConfigOptionVector<double>
 {
     public:
     
@@ -76,6 +82,16 @@ class ConfigOptionFloats : public ConfigOption, public ConfigOptionVector<double
         return ss.str();
     };
     
+    std::vector<std::string> vserialize() const {
+        std::vector<std::string> vv;
+        for (std::vector<double>::const_iterator it = this->values.begin(); it != this->values.end(); ++it) {
+            std::ostringstream ss;
+            ss << *it;
+            vv.push_back(ss.str());
+        }
+        return vv;
+    };
+    
     bool deserialize(std::string str) {
         this->values.clear();
         std::istringstream is(str);
@@ -112,7 +128,7 @@ class ConfigOptionInt : public ConfigOption
     };
 };
 
-class ConfigOptionInts : public ConfigOption, public ConfigOptionVector<int>
+class ConfigOptionInts : public ConfigOptionVector<int>
 {
     public:
     
@@ -125,6 +141,16 @@ class ConfigOptionInts : public ConfigOption, public ConfigOptionVector<int>
         return ss.str();
     };
     
+    std::vector<std::string> vserialize() const {
+        std::vector<std::string> vv;
+        for (std::vector<int>::const_iterator it = this->values.begin(); it != this->values.end(); ++it) {
+            std::ostringstream ss;
+            ss << *it;
+            vv.push_back(ss.str());
+        }
+        return vv;
+    };
+    
     bool deserialize(std::string str) {
         this->values.clear();
         std::istringstream is(str);
@@ -174,7 +200,7 @@ class ConfigOptionString : public ConfigOption
 };
 
 // semicolon-separated strings
-class ConfigOptionStrings : public ConfigOption, public ConfigOptionVector<std::string>
+class ConfigOptionStrings : public ConfigOptionVector<std::string>
 {
     public:
     
@@ -187,6 +213,10 @@ class ConfigOptionStrings : public ConfigOption, public ConfigOptionVector<std::
         return ss.str();
     };
     
+    std::vector<std::string> vserialize() const {
+        return this->values;
+    };
+    
     bool deserialize(std::string str) {
         this->values.clear();
         std::istringstream is(str);
@@ -279,7 +309,7 @@ class ConfigOptionPoint : public ConfigOption
     };
 };
 
-class ConfigOptionPoints : public ConfigOption, public ConfigOptionVector<Pointf>
+class ConfigOptionPoints : public ConfigOptionVector<Pointf>
 {
     public:
     
@@ -294,6 +324,16 @@ class ConfigOptionPoints : public ConfigOption, public ConfigOptionVector<Pointf
         return ss.str();
     };
     
+    std::vector<std::string> vserialize() const {
+        std::vector<std::string> vv;
+        for (Pointfs::const_iterator it = this->values.begin(); it != this->values.end(); ++it) {
+            std::ostringstream ss;
+            ss << *it;
+            vv.push_back(ss.str());
+        }
+        return vv;
+    };
+    
     bool deserialize(std::string str) {
         this->values.clear();
         std::istringstream is(str);
@@ -332,7 +372,7 @@ class ConfigOptionBool : public ConfigOption
     };
 };
 
-class ConfigOptionBools : public ConfigOption, public ConfigOptionVector<bool>
+class ConfigOptionBools : public ConfigOptionVector<bool>
 {
     public:
     
@@ -345,6 +385,16 @@ class ConfigOptionBools : public ConfigOption, public ConfigOptionVector<bool>
         return ss.str();
     };
     
+    std::vector<std::string> vserialize() const {
+        std::vector<std::string> vv;
+        for (std::vector<bool>::const_iterator it = this->values.begin(); it != this->values.end(); ++it) {
+            std::ostringstream ss;
+            ss << (*it ? "1" : "0");
+            vv.push_back(ss.str());
+        }
+        return vv;
+    };
+    
     bool deserialize(std::string str) {
         this->values.clear();
         std::istringstream is(str);

xs/src/libslic3r/PlaceholderParser.cpp

@@ -29,22 +29,14 @@ PlaceholderParser::update_timestamp()
         ss << std::setw(2) << std::setfill('0') << timeinfo->tm_hour;
         ss << std::setw(2) << std::setfill('0') << timeinfo->tm_min;
         ss << std::setw(2) << std::setfill('0') << timeinfo->tm_sec;
-        this->_single["timestamp"] = ss.str();
+        this->set("timestamp", ss.str());
     }
-    this->_single["year"]   = this->_int_to_string(1900 + timeinfo->tm_year);
-    this->_single["month"]  = this->_int_to_string(1 + timeinfo->tm_mon);
-    this->_single["day"]    = this->_int_to_string(timeinfo->tm_mday);
-    this->_single["hour"]   = this->_int_to_string(timeinfo->tm_hour);
-    this->_single["minute"] = this->_int_to_string(timeinfo->tm_min);
-    this->_single["second"] = this->_int_to_string(timeinfo->tm_sec);
-}
-
-std::string
-PlaceholderParser::_int_to_string(int value) const
-{
-    std::ostringstream ss;
-    ss << value;
-    return ss.str();
+    this->set("year",   1900 + timeinfo->tm_year);
+    this->set("month",  1 + timeinfo->tm_mon);
+    this->set("day",    timeinfo->tm_mday);
+    this->set("hour",   timeinfo->tm_hour);
+    this->set("minute", timeinfo->tm_min);
+    this->set("second", timeinfo->tm_sec);
 }
 
 void PlaceholderParser::apply_config(DynamicPrintConfig &config)
@@ -66,53 +58,20 @@ void PlaceholderParser::apply_config(DynamicPrintConfig &config)
         i != opt_keys.end(); ++i)
     {
         const t_config_option_key &key = *i;
-
-        // set placeholders for options with multiple values
-        const ConfigOptionDef &def = (*config.def)[key];
-        switch (def.type) {
-        case coFloats:
-            this->set_multiple_from_vector(key,
-                        *(ConfigOptionFloats*)config.option(key));
-            break;
-
-        case coInts:
-            this->set_multiple_from_vector(key,
-                        *(ConfigOptionInts*)config.option(key));
-            break;
-
-        case coStrings:
-            this->set_multiple_from_vector(key,
-                        *(ConfigOptionStrings*)config.option(key));
-            break;
-
-        case coPoints:
-            this->set_multiple_from_vector(key,
-                        *(ConfigOptionPoints*)config.option(key));
-            break;
-
-        case coBools:
-            this->set_multiple_from_vector(key,
-                        *(ConfigOptionBools*)config.option(key));
-            break;
-
-        case coPoint:
-            {
-                const ConfigOptionPoint &opt =
-                    *(ConfigOptionPoint*)config.option(key);
-
-                this->_single[key] = opt.serialize();
-
-                Pointf val = opt;
-                this->_multiple[key + "_X"] = val.x;
-                this->_multiple[key + "_Y"] = val.y;
-            }
-
-            break;
-
-        default:
+        const ConfigOption* opt = config.option(key);
+        
+        if (const ConfigOptionVectorBase* optv = dynamic_cast<const ConfigOptionVectorBase*>(opt)) {
+            // set placeholders for options with multiple values
+            this->set(key, optv->vserialize());
+        } else if (const ConfigOptionPoint* optp = dynamic_cast<const ConfigOptionPoint*>(opt)) {
+            this->_single[key] = optp->serialize();
+            
+            Pointf val = *optp;
+            this->_multiple[key + "_X"] = val.x;
+            this->_multiple[key + "_Y"] = val.y;
+        } else {
             // set single-value placeholders
-            this->_single[key] = config.serialize(key);
-            break;
+            this->_single[key] = opt->serialize();
         }
     }
 }
@@ -121,34 +80,30 @@ void
 PlaceholderParser::set(const std::string &key, const std::string &value)
 {
     this->_single[key] = value;
+    this->_multiple.erase(key);
 }
 
-std::ostream& operator<<(std::ostream &stm, const Pointf &pointf)
+void
+PlaceholderParser::set(const std::string &key, int value)
 {
-    return stm << pointf.x << "," << pointf.y;
+    std::ostringstream ss;
+    ss << value;
+    this->set(key, ss.str());
 }
 
-template<class T>
-void PlaceholderParser::set_multiple_from_vector(const std::string &key,
-    ConfigOptionVector<T> &opt)
+void
+PlaceholderParser::set(const std::string &key, const std::vector<std::string> &values)
 {
-    const std::vector<T> &vals = opt.values;
-
-    for (size_t i = 0; i < vals.size(); ++i) {
-        std::stringstream multikey_stm;
-        multikey_stm << key << "_" << i;
-
-        std::stringstream val_stm;
-        val_stm << vals[i];
-
-        this->_multiple[multikey_stm.str()] = val_stm.str();
-    }
-
-    if (vals.size() > 0) {
-        std::stringstream val_stm;
-        val_stm << vals[0];
-        this->_multiple[key] = val_stm.str();
+    for (std::vector<std::string>::const_iterator v = values.begin(); v != values.end(); ++v) {
+        std::stringstream ss;
+        ss << key << "_" << (v - values.begin());
+        
+        this->_multiple[ ss.str() ] = *v;
+        if (v == values.begin()) {
+            this->_multiple[key] = *v;
+        }
     }
+    this->_single.erase(key);
 }
 
 #ifdef SLIC3RXS

xs/src/libslic3r/PlaceholderParser.hpp

@@ -5,6 +5,7 @@
 #include <myinit.h>
 #include <map>
 #include <string>
+#include <vector>
 #include "PrintConfig.hpp"
 
 
@@ -20,12 +21,8 @@ class PlaceholderParser
     void update_timestamp();
     void apply_config(DynamicPrintConfig &config);
     void set(const std::string &key, const std::string &value);
-
-    private:
-    template<class T>
-    void set_multiple_from_vector(
-        const std::string &key, ConfigOptionVector<T> &opt);
-    std::string _int_to_string(int value) const;
+    void set(const std::string &key, int value);
+    void set(const std::string &key, const std::vector<std::string> &values);
 };
 
 }

xs/src/libslic3r/Point.cpp

@@ -3,7 +3,6 @@
 #include "MultiPoint.hpp"
 #include <algorithm>
 #include <cmath>
-#include <sstream>
 
 namespace Slic3r {
 
@@ -340,6 +339,12 @@ REGISTER_CLASS(Point3, "Point3");
 
 #endif
 
+std::ostream&
+operator<<(std::ostream &stm, const Pointf &pointf)
+{
+    return stm << pointf.x << "," << pointf.y;
+}
+
 void
 Pointf::scale(double factor)
 {

xs/src/libslic3r/Point.hpp

@@ -5,6 +5,7 @@
 #include <vector>
 #include <math.h>
 #include <string>
+#include <sstream>
 
 namespace Slic3r {
 
@@ -77,6 +78,8 @@ class Point3 : public Point
     explicit Point3(coord_t _x = 0, coord_t _y = 0, coord_t _z = 0): Point(_x, _y), z(_z) {};
 };
 
+std::ostream& operator<<(std::ostream &stm, const Pointf &pointf);
+
 class Pointf
 {
     public: