58 void assign_i_checked(int32_t val);
59 void assign_d_checked(
double val);
60 void assign_b_checked(uint8_t* val,
unsigned size);
61 void assign_c_checked(
const char* val,
unsigned size);
115 bool operator==(
const Var& var)
const;
116 bool operator!=(
const Var& var)
const {
return !operator==(var); }
141 const char*
enqc()
const;
144 std::string
enqs()
const;
158 T
enq(T default_value)
const 160 if (!
isset())
return default_value;
168 void setd(
double val);
171 void setc(
const char* val);
174 void sets(
const std::string& val);
177 void setf(
const char* val);
204 void set(
int val) {
seti(val); }
205 void set(
double val) {
setd(val); }
206 void set(
const char* val) {
setc(val); }
207 void set(
const std::string& val) {
setc(val.c_str()); }
256 void seta(std::unique_ptr<Var>&& attr);
277 std::string
format(
const char* ifundef=
"")
const;
280 void format(FILE* out,
const char* ifundef=
"")
const;
288 void print(FILE* out)
const;
296 void print(std::ostream& out)
const;
325 unsigned diff(
const Var& var)
const;
341 template<>
inline int Var::enq()
const {
return enqi(); }
342 template<>
inline float Var::enq()
const {
return (
float)
enqd(); }
343 template<>
inline double Var::enq()
const {
return enqd(); }
344 template<>
inline const char*
Var::enq()
const {
return enqc(); }
345 template<>
inline std::string
Var::enq()
const {
return enqs(); }
double enqd() const
Get the value as a double.
bool m_isset
True if the variable is set, false otherwise.
Definition: var.h:30
void setval(const Var &src)
Set the value from another variable, performing conversions if needed.
void setattrs(const Var &src)
Replace all attributes in this variable with all the attributes from src.
void sets(const std::string &val)
Set the value from a string or opaque binary value.
union wreport::Var::@0 m_value
Value of the variable.
void lua_push(struct lua_State *L)
Push the variable as an object in the lua stack.
A physical variable.
Definition: var.h:23
void setc_truncate(const char *val)
Set the value from a string value, truncating it if it is too long.
void copy_value(const Var &var)
Copy the value from var. var is assumed to have the same varinfo as us.
int enqi() const
Get the value as an integer.
void unset()
Unset the value.
T enq(T default_value) const
Return the variable value, or the given default value if the variable is not set. ...
Definition: var.h:158
Reports that a feature is still not implemented.
Definition: error.h:229
Varcode code
Variable code, as in WMO BUFR/CREX table B.
Definition: varinfo.h:138
void allocate()
Make sure that m_value is allocated. It does nothing if it already is.
bool value_equals(const Var &var) const
Test if the values are the same, regardless of variable codes or attributes.
Varinfo info() const
Get informations about the variable.
Definition: var.h:128
void seta(const Var &attr)
Set an attribute of the variable.
const char * enqc() const
Get the value as a string.
void print(FILE *out) const
Print the variable to an output stream.
uint16_t Varcode
Holds the WMO variable code of a variable.
Definition: varinfo.h:57
void setc(const char *val)
Set the value from a string or opaque binary value.
void seti(int val)
Set the value from an integer value.
bool isset() const
Definition: var.h:131
Information about a variable.
Definition: varinfo.h:135
static Var * lua_check(struct lua_State *L, int idx)
Check that the element at idx is a Var.
unsigned diff(const Var &var) const
Compare two Var and return the number of differences.
T enq() const
Templated version of enq.
Definition: var.h:148
Varcode code() const
Retrieve the Varcode for a variable.
Definition: var.h:125
String functions.
Definition: benchmark.h:13
Implement fast access to information about WMO variables.
void clear_attrs()
Remove all attributes.
void setd(double val)
Set the value from a double value.
void setf(const char *val)
Set from a value formatted with the format() method.
void unseta(Varcode code)
Remove the attribute with the given code.
Var * m_attrs
Attribute list (ordered by Varcode)
Definition: var.h:49
Var & operator=(const Var &var)
Assignment.
const Var * next_attr() const
Get the next attribute in the attribute list.
void move_value(Var &var)
Move the value from var. var is assumed to have the same varinfo as us. var is left unset...
std::string enqs() const
Get the value as a std::string.
std::string format(const char *ifundef="") const
Create a formatted string representation of the variable value.
void print_without_attrs(FILE *out, const char *end="\n") const
Print the variable to an output stream, without its attributes.
Varinfo m_info
Metadata about the variable.
Definition: var.h:27
Var(Varinfo info)
Create a new Var, with undefined value.
const Var * enqa(Varcode code) const
Query variable attributes.