Formula Cell¶

class ixion::formula_cell¶

Public Functions

formula_cell(const formula_cell&)¶

formula_cell &operator=(formula_cell)¶

formula_cell()¶

formula_cell(size_t tokens_identifier)¶

~formula_cell()¶

size_t get_identifier() const¶

void set_identifier(size_t identifier)¶

double get_value() const¶

double get_value_nowait() const¶

void interpret(iface::formula_model_access &context, const abs_address_t &pos)¶

void check_circular(const iface::formula_model_access &cxt, const abs_address_t &pos)¶

Determine if this cell contains circular reference by walking through all its reference tokens.

void reset()¶

Reset cell’s internal state.

std::vector<const formula_token *> get_ref_tokens(const iface::formula_model_access &cxt, const abs_address_t &pos) const¶

Get a series of all reference tokens included in the formula expression stored in this cell.

Return

an array of reference formula tokens. Each element is a pointer to the actual token instance stored in the cell object. Be aware that the pointer is valid only as long as the actual token instance is alive.

Parameters

• cxt: model context instance.
• pos: position of the cell.

const formula_result &get_result_cache() const¶

const formula_result *get_result_cache_nowait() const¶

bool is_shared() const¶

void set_shared(bool b)¶

class ixion::formula_result¶

Store formula result which may be either numeric, textural, or error. In case the result is textural, it owns the instance of the string.

Public Types

enum result_type¶

Values:

value¶

string¶

error¶

Public Functions

formula_result()¶

formula_result(const formula_result &r)¶

formula_result(double v)¶

formula_result(string_id_t strid)¶

formula_result(formula_error_t e)¶

~formula_result()¶

void reset()¶

void set_value(double v)¶

void set_string(string_id_t strid)¶

void set_error(formula_error_t e)¶

double get_value() const¶

Get a numeric result value. The caller must make sure the result is of numeric type, else the behavior is undefined.

Return

numeric result value.

string_id_t get_string() const¶

Get a string ID for textural result value. The caller must make sure the result is of textural type, else the behavior is undefined.

Return

string ID.

formula_error_t get_error() const¶

Get an error value of the result. The caller must make sure that the result is of error type, else the behavior is undefined.

Return

enum value representing the error.

See

ixion::get_formula_error_name

result_type get_type() const¶

Get the type of result.

Return

enum value representing the result type.

std::string str(const iface::formula_model_access &cxt) const¶

Get a string representation of the result value no matter what the result type is.

Return

string representation of the result value.

Parameters

• cxt: model context object.

void parse(iface::formula_model_access &cxt, const char *p, size_t n)¶

Parse a textural representation of a formula result, and set result value of appropriate type.

formula_result &operator=(const formula_result &r)¶

bool operator==(const formula_result &r) const¶

bool operator!=(const formula_result &r) const¶