Add an another example.

project/examples/directory.umlg

@@ -1,17 +1,19 @@
 
-base_class Object
+class Object
-base_class Reference
+inherit
+class Reference
+inherit
 class Directory
 
 public:
 	Error open_dir(const String &path, bool skip_specials = true);
 	Error open_dir(const char *path, bool skip_specials = true);
 	void close_dir();
-
+--
 	bool has_next();
 	bool read();
 	bool next();
-
+--
 	bool current_is_ok();
 	String current_get_name();
 	String current_get_path();
@@ -22,20 +24,21 @@ public:
 	bool current_is_file();
 	bool current_is_dir();
 	bool current_is_special_dir();
-
+--
 	String read_file(const String &path);
 	Error read_file_into(const String &path, String *str);
 	Vector<uint8_t> read_file_bin(const String &path);
 	Error read_file_into_bin(const String &path, Vector<uint8_t> *data);
-
+--
 	Error write_file(const String &path, const String &str);
 	Error write_file_bin(const String &path, const Vector<uint8_t> &data);
-
+--
 	bool is_dir_open();
 	bool is_dir_closed();
-
+--
 	Directory();
 	virtual ~Directory();
+--
 
 private:
 	bool _skip_specials;

project/examples/file_cache.umlg

@@ -0,0 +1,43 @@
+
+class Object
+inherit
+
+class FileCache
+public:
+    String wwwroot;
+    int cache_invalidation_time;
+--
+    void wwwroot_register_file(const String &file_path);
+    void wwwroot_deregister_file(const String &file_path);
+    bool wwwroot_has_file(const String &file_path);
+    void wwwroot_refresh_cache();
+    void wwwroot_evaluate_dir(const char *path, const bool should_exist = true);
+--
+    bool get_cached_body(const String &path, String *body);
+    void set_cached_body(const String &path, const String &body);
+--
+    void clear();
+--
+    FileCache(bool singleton = false);
+    virtual ~FileCache();
+--
+    static FileCache *get_singleton();
+--
+    std::set<String> registered_files;
+--
+protected:
+
+    RWLock _lock;
+    std::map<String, CacheEntry *> cache_map;
+
+private:
+    static FileCache *_instance;
+
+
+new_column
+
+     struct CacheEntry
+        int64_t timestamp;
+        String body;
+
+        CacheEntry();

project/examples/string.umlg

@@ -12,7 +12,7 @@ public:
 	char get(const int index);
 	const char get(const int index) const;
 	void set(const int index, const char value);
-
+--
 	int size() const;
 	int capacity() const;
 	void ensure_capacity(const int capacity);
@@ -27,74 +27,74 @@ public:
 	String substr_index(const int start_index, const int end_index) const;
 	bool contains(const char val) const;
 	bool contains(const String &val) const;
-
+--
 	bool is_word_at(const int index, const char *str) const;
 	bool is_word_at(const int index, const String &val) const;
-
+--
 	void replace_from(const int start_index, const int length, const String &with);
 	void replace(const String &find_str, const String &with);
 	void replace(const String &find_str, const String &with, const int count);
-
+--
 	int compare(const String &other) const;
-
+--
 	int first_difference_index(const String &other) const;
-
+--
 	void to_lower();
 	String as_lower() const;
-
+--
 	void trim();
 	void trim_beginning();
 	void trim_end();
-
+--
 	bool ends_with(const char c) const;
 	bool ends_with(const String &str) const;
-
+--
 	bool starts_with(const char c) const;
 	bool starts_with(const String &str) const;
-
+--
 	int get_slice_count(const char splitter) const;
 	int get_slice_count(const String &splitter) const;
 	String get_slice(const char splitter, int index);
 	String get_slice(const String &splitter, int index);
-
+--
 	Vector<String> split(const char splitter) const;
 	Vector<String> split(const String &splitter) const;
-
+--
 	uint8_t read_uint8_bytes_at(int &index, bool advance_index = true);
 	uint16_t read_uint16_bytes_at(int &index, bool advance_index = true);
 	uint32_t read_uint32_bytes_at(int &index, bool advance_index = true);
 	uint64_t read_uint64_bytes_at(int &index, bool advance_index = true);
-
+--
 	int8_t read_int8_bytes_at(int &index, bool advance_index = true);
 	int16_t read_int16_bytes_at(int &index, bool advance_index = true);
 	int32_t read_int32_bytes_at(int &index, bool advance_index = true);
 	int64_t read_int64_bytes_at(int &index, bool advance_index = true);
-
+--
 	void append_uint8_bytes(const uint8_t val);
 	void append_uint16_bytes(const uint16_t val);
 	void append_uint32_bytes(const uint32_t val);
 	void append_uint64_bytes(const uint64_t val);
-
+--
 	void append_int8_bytes(const int8_t val);
 	void append_int16_bytes(const int16_t val);
 	void append_int32_bytes(const int32_t val);
 	void append_int64_bytes(const int64_t val);
-
+--
 	float read_float_bytes_at(int &index, bool advance_index = true);
 	void append_float_bytes(const float val);
 	double read_double_bytes_at(int &index, bool advance_index = true);
 	void append_double_bytes(const double val);
-
+--
 	void append_str(const char *str);
 	void append_str(const wchar_t *str);
 	void append_str(const String &other);
 	void append_str(const std::string &str);
 	void append_str(const String &other, const int from);
 	void append_str(const std::string &str, const int from);
-
+--
 	void append_repeat(const char *str, const int times);
 	void append_repeat(const String &other, const int times);
-
+--
 	void append_path(const char *path);
 	void append_path(const String &path);
 	void path_clean_end_slash();
@@ -103,26 +103,26 @@ public:
 	String path_get_last_segment() const;
 	String path_get_prev_dir() const;
 	String file_get_extension() const;
-
+--
 	void to_html_special_chars();
 	void from_html_special_chars();
 	void newline_to_br();
-
+--
 	bool to_bool() const;
 	float to_float() const;
 	double to_double() const;
 	int to_int() const;
-
+--
 	bool is_bool() const;
 	bool is_numeric() const;
 	bool is_int() const;
 	bool is_uint() const;
 	bool is_zero() const;
-
+--
 	uint32_t to_uint() const;
 	std::string to_string() const;
 	void print() const;
-
+--
 	void append(const char *str);
 	void append(const wchar_t *str);
 	void append(const String &other);
@@ -134,82 +134,82 @@ public:
 	void append(const float num);
 	void append(const double num);
 	void append(const Variant &variant);
-
+--
 	static String bool_num(bool val);
 	static String bool_str(bool val);
-
+--
 	static String num(double p_num, int p_decimals = -1);
 	static String num_scientific(double p_num);
 	static String num_real(double p_num, bool p_trailing = true);
 	static String num_int64(int64_t p_num, int base = 10, bool capitalize_hex = false);
 	static String num_uint64(uint64_t p_num, int base = 10, bool capitalize_hex = false);
 	static String chr(char32_t p_char);
-
+--
 	String ascii(bool p_allow_extended = false) const;
 	String utf8() const;
 	bool parse_utf8(const char *p_utf8, int p_len = -1); // return true on error
 	static String utf8(const char *p_utf8, int p_len = -1);
-
+--
 	static uint32_t hash(const wchar_t *p_cstr, int p_len); /* hash the string */
 	static uint32_t hash(const wchar_t *p_cstr); /* hash the string */
 	static uint32_t hash(const char *p_cstr, int p_len); /* hash the string */
 	static uint32_t hash(const char *p_cstr); /* hash the string */
 	uint32_t hash() const; /* hash the string */
 	uint64_t hash64() const; /* hash the string */
-
+--
 	char *c_str();
 	const char *c_str() const;
-
+--
 	char *dataw();
 	const char *data() const;
-
+--
 	const char operator[](const int index) const;
 	char &operator[](const int index);
-
+--
 	String &operator+=(const String &b);
 	String &operator+=(const char chr);
 	String &operator+=(const char *p_c_str);
 	String &operator+=(const std::string &b);
-
+--
 	friend String operator+(String lhs, const String &rhs);
 	friend String operator+(String lhs, const char *rhs);
 	friend String operator+(String lhs, const char rhs);
 	friend String operator+(String lhs, const std::string &rhs);
-
+--
 	friend bool operator==(const String &a, const String &b);
 	friend bool operator!=(const String &a, const String &b);
-
+--
 	friend bool operator==(const String &a, const char *b);
 	friend bool operator!=(const String &a, const char *b);
-
+--
 	friend bool operator==(const char *b, const String &a);
 	friend bool operator!=(const char *b, const String &a);
-
+--
 	friend bool operator==(const String &a, const wchar_t *b);
 	friend bool operator!=(const String &a, const wchar_t *b);
-
+--
 	friend bool operator==(const wchar_t *b, const String &a);
 	friend bool operator!=(const wchar_t *b, const String &a);
-
+--
 	friend bool operator==(const String &a, std::string &b);
 	friend bool operator!=(const String &a, std::string &b);
-
+--
 	friend bool operator==(std::string &b, const String &a);
 	friend bool operator!=(std::string &b, const String &a);
-
+--
 	friend bool operator<(const String &a, const String &b);
 	friend bool operator>(const String &a, const String &b);
 	friend bool operator<=(const String &a, const String &b);
 	friend bool operator>=(const String &a, const String &b);
-
+--
 	operator std::string() { return to_string(); }
 	operator std::string() const { return to_string(); }
-
+--
 	String &operator=(const String &other);
 	String &operator=(const std::string &other);
 	String &operator=(const char *other);
 	String &operator=(const wchar_t *other);
-
+--
 	String();
 	String(const String &other);
 	String(const String &other, const int grow_by);
@@ -220,7 +220,7 @@ public:
 	String(const int prealloc, const int grow_by);
 	String(const std::string &str);
 	~String();
-
+--
 private:
 	char *_data;
 	int _actual_size;