#ifndef AGGPLOT_CATEGORIES_H #define AGGPLOT_CATEGORIES_H #include "strpp.h" #include "units.h" #include "utils.h" struct category_item { double value; str text; category_item(double v, const char*t) : value(v), text(t) {} }; class category_map : public ptr_list { typedef category_item item; public: class iterator : public label_iterator { public: iterator(const category_map& cat) : m_index(0), m_cat(cat) { } virtual bool next(double& val, const char*& text) { if (m_index>= m_cat.size()) return false; item* it = m_cat[m_index]; val = it->value; text = it->text.cstr(); m_index++; return true; } private: unsigned m_index; const category_map& m_cat; }; public: void add_item(double v, const char* name) { add(new item(v, name)); } }; #endif