filedat: added erase(), concatenate() and operators

Makefile

@@ -46,7 +46,8 @@ shared: $(OBJ_SHARED)
 
 install: all
 	mv libztd.a libztd.so /usr/lib
-	cp -r include /usr/include/ztd
+	mkdir -p /usr/include/ztd
+	cp -r include/* /usr/include/ztd
 
 uninstall:
 	rm /usr/lib/libztd.*

include/filedat.hpp

@@ -178,7 +178,18 @@ namespace ztd
     @param vec Vector of data to add
     */
     inline void add(std::vector<chunkdat> const& vec) { addToList(vec); }
-    // void concatenate(chunkdat const& chk); //concatenates chunks
+    //! @brief Concatenate chunks of data
+    /*! Effective only if the two chunks are of the same type\n
+        Map: combines two maps into a single map\n
+        List: combines into a single list\n
+        String: Concatenate strings
+    */
+    void concatenate(chunkdat const& chk);
+
+    void erase(const std::string& key);
+
+    void erase(const unsigned int index);
+
 
     //! @brief Create a copy of the chunk
     inline chunkdat copy() const { return chunkdat(*this); }
@@ -214,27 +225,26 @@ namespace ztd
     */
     chunkdat* subChunkPtr(const unsigned int a) const;
 
-    //! @brief Reference to subchunk of map
+    //! @brief Reference to subchunk of map.    @see subChunkRef(std::string const& a) const
-    /*!
-    @see subChunkRef(std::string const& a) const
-    */
     inline chunkdat& operator[](std::string const& a) const                             { return subChunkRef(a); }
-    //! @brief Reference to subchunk of Map
+    //! @brief Reference to subchunk of list.   @see subChunkRef(const unsigned int a) const
-    /*!
-    @see subChunkRef(const unsigned int a) const
-    */
     inline chunkdat& operator[](const unsigned int a) const                             { return subChunkRef(a); }
-    //! @brief Copy contents of chunk
+    //! @brief Set chunk data and return *this. @see set(chunkdat const& in)
     inline chunkdat& operator=(chunkdat const& a)                                       { set(a); return *this; }
-    //! @brief add() and return *this
+    //! @brief add and return *this.            @see add(std::string const& name, chunkdat const& val)
     inline chunkdat& operator+=(std::pair<std::string, chunkdat> const& a)              { add(a.first, a.second); return *this; }
-    //! @brief add() and return *this
+    //! @brief add and return *this.            @see add(std::vector<std::pair<std::string, chunkdat>> const& vec)
     inline chunkdat& operator+=(std::vector<std::pair<std::string, chunkdat>> const& a) { add(a); return *this; }
-    //! @brief add() and return *this
+    //! @brief add and return *this.            @see add(chunkdat const& val)
     inline chunkdat& operator+=(chunkdat const& a)                                      { add(a); return *this; }
-    //! @brief add() and return *this
+    //! @brief add and return *this.            @see add(std::vector<chunkdat> const& vec)
     inline chunkdat& operator+=(std::vector<chunkdat> const& a)                         { add(a); return *this; }
-    // inline bool operator*=(chunkdat const& a) { concatenate(a); }
+    //! @brief concatenate and return *this.    @see concatenate(chunkdat const& chk)
+    inline chunkdat& operator*=(chunkdat const& a)                                      { concatenate(a); return *this; }
+    //! @brief remove and return *this.         @see remove(const std::string& key)
+    inline chunkdat& operator-=(const std::string& key)     { erase(key); return *this; }
+    //! @brief remove and return *this.         @see remove(const unsigned int index)
+    inline chunkdat& operator-=(const unsigned int index)   { erase(index); return *this; }
 
     //add operator+ and operator*
 
@@ -246,6 +256,21 @@ namespace ztd
     chunk_abstract* m_achunk;
   };
 
+  //! @brief add
+  inline chunkdat operator+(const chunkdat& a, const std::pair<std::string, chunkdat>& b)               { chunkdat ret(a); ret += b; return ret; }
+  //! @brief add
+  inline chunkdat operator+(const chunkdat& a, const std::vector<std::pair<std::string, chunkdat>>& b)  { chunkdat ret(a); ret += b; return ret; }
+  //! @brief add
+  inline chunkdat operator+(const chunkdat& a, const chunkdat& b)                                       { chunkdat ret(a); ret += b; return ret; }
+  //! @brief add
+  inline chunkdat operator+(const chunkdat& a, const std::vector<chunkdat>& b)                          { chunkdat ret(a); ret += b; return ret; }
+  //! @brief concatenated chunk
+  inline chunkdat operator*(const chunkdat& a, const chunkdat& b)     { chunkdat ret(a); ret *= b; return ret; }
+  //! @brief substract
+  inline chunkdat operator-(const chunkdat& a, const std::string& b)  { chunkdat ret(a); ret -= b; return ret; }
+  //! @brief substract
+  inline chunkdat operator-(const chunkdat& a, const unsigned int b)  { chunkdat ret(a); ret -= b; return ret; }
+
   //! @brief File data object
   /*!
   Object for importing, reading, altering and writing of file data\n

src/filedat.cpp

@@ -651,6 +651,77 @@ void ztd::chunkdat::addToList(std::vector<chunkdat> const& vec)
     this->addToList(it);
 }
 
+void ztd::chunkdat::concatenate(chunkdat const& chk)
+{
+  if(this->type() == ztd::chunk_abstract::none) //nothing: copy
+  {
+    this->set(chk);
+  }
+  else if(this->type()==ztd::chunk_abstract::map && chk.type()==ztd::chunk_abstract::map) //map
+  {
+    ztd::chunk_map* cc = dynamic_cast<chunk_map*>(chk.getp());
+    for(auto it : cc->values)
+    {
+      this->add(it.first, *it.second);
+    }
+  }
+  else if(this->type()==ztd::chunk_abstract::list && chk.type()==ztd::chunk_abstract::list) //list
+  {
+    ztd::chunk_list* cc = dynamic_cast<chunk_list*>(chk.getp());
+    for(auto it : cc->list)
+    {
+      this->add(*it);
+    }
+  }
+  else if(this->type()==ztd::chunk_abstract::string && chk.type()==ztd::chunk_abstract::string) //string
+  {
+    ztd::chunk_string* ci = dynamic_cast<chunk_string*>(chk.getp());
+    ztd::chunk_string* cc = dynamic_cast<chunk_string*>(m_achunk);
+    cc->val += ci->val;
+  }
+  else
+  {
+    throw ztd::format_error("Cannot concatenate chunks of different types", "", "", -1);
+  }
+}
+
+void ztd::chunkdat::erase(const std::string& key)
+{
+  if(this->type()==ztd::chunk_abstract::map)
+  {
+    ztd::chunk_map* cp = dynamic_cast<chunk_map*>(m_achunk);
+    auto it = cp->values.find(key);
+    if( it == cp->values.end() )
+    {
+      throw ztd::format_error("Key '" + key + "' not present", "", this->strval(), -1);
+    }
+    delete it->second;
+    cp->values.erase(it);
+  }
+  else
+  {
+    throw ztd::format_error("Cannot erase element from non-map chunk", "", this->strval(), -1);
+  }
+}
+
+void ztd::chunkdat::erase(const unsigned int index)
+{
+  if(this->type()==ztd::chunk_abstract::list)
+  {
+    if(index >= (unsigned int) this->listSize())
+    {
+      throw ztd::format_error("Cannot erase out of bonds: "+std::to_string(index)+" in size "+std::to_string(this->listSize()), "", this->strval(), -1);
+    }
+    ztd::chunk_list* lp = dynamic_cast<chunk_list*>(m_achunk);
+    delete lp->list[index];
+    lp->list.erase(lp->list.begin() + index);
+  }
+  else
+  {
+    throw ztd::format_error("Cannot erase element from non-list chunk", "", this->strval(), -1);
+  }
+}
+
 std::string ztd::chunkdat::strval(unsigned int alignment, std::string const& aligner) const
 {
   if(this->type()==ztd::chunk_abstract::string)