employees.c File Reference

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <derive-c/alloc/std.h>
#include <derive-c/prelude.h>
#include <derive-c/utils/for.h>
#include <derive-c/container/arena/contiguous/template.h>
#include <derive-c/container/vector/dynamic/template.h>
#include <derive-c/container/map/decomposed/template.h>

Go to the source code of this file.

Data Structures
struct	name
struct	age
struct	employee
struct	hr_system

Macros
#define	INDEX_BITS   16
#define	VALUE   employee
#define	VALUE_DEBUG   employee_debug
#define	NAME   employees
#define	ITEM   employees_index_t
#define	ITEM_DEBUG   employees_index_t_debug
#define	NAME   same_age_employees
#define	KEY   age
#define	KEY_EQ   age_eq
#define	KEY_HASH   age_hash
#define	KEY_DEBUG   age_debug
#define	VALUE   same_age_employees
#define	VALUE_DEBUG   same_age_employees_debug
#define	NAME   employees_by_age

Functions
static bool	name_eq (const name *name_1, const name *name_2)
static void	name_debug (const name *self, dc_debug_fmt fmt, FILE *stream)
static bool	age_eq (age const *age_1, age const *age_2)
static size_t	age_hash (age const *age)
static void	age_debug (age const *self, dc_debug_fmt fmt, FILE *stream)
static void	employee_debug (employee const *self, dc_debug_fmt fmt, FILE *stream)
static hr_system	hr_system_new ()
static void	hr_system_new_employee (hr_system *self, employee emp)
static employee const *	hr_system_newest_of_age (hr_system const *self, age age)
static void	hr_system_debug (hr_system const *self, dc_debug_fmt fmt, FILE *stream)
static void	hr_system_delete (hr_system *self)
int	main ()

Macro Definition Documentation

INDEX_BITS

#define INDEX_BITS   16

Definition at line 73 of file employees.c.

ITEM

#define ITEM   employees_index_t

Definition at line 79 of file employees.c.

ITEM_DEBUG

#define ITEM_DEBUG   employees_index_t_debug

Definition at line 80 of file employees.c.

KEY

#define KEY   age

Definition at line 84 of file employees.c.

KEY_DEBUG

#define KEY_DEBUG   age_debug

Definition at line 87 of file employees.c.

KEY_EQ

#define KEY_EQ   age_eq

Definition at line 85 of file employees.c.

KEY_HASH

#define KEY_HASH   age_hash

Definition at line 86 of file employees.c.

NAME [1/3]

#define NAME   employees_by_age

Definition at line 76 of file employees.c.

NAME [2/3]

#define NAME   same_age_employees

Definition at line 76 of file employees.c.

NAME [3/3]

#define NAME   employees

Definition at line 76 of file employees.c.

VALUE [1/2]

#define VALUE   same_age_employees

Definition at line 74 of file employees.c.

VALUE [2/2]

#define VALUE   employee

Definition at line 74 of file employees.c.

VALUE_DEBUG [1/2]

#define VALUE_DEBUG   same_age_employees_debug

Definition at line 75 of file employees.c.

VALUE_DEBUG [2/2]

#define VALUE_DEBUG   employee_debug

Definition at line 75 of file employees.c.

Function Documentation

age_debug()

void age_debug ( age const * self, dc_debug_fmt fmt, FILE * stream )

static

Examples

complex/employees.c.

Definition at line 44 of file employees.c.

                                                                       {
    (void)fmt;
    fprintf(stream, "%zu years", self->value);
}

age_eq()

bool age_eq ( age const * age_1, age const * age_2 )

static

Examples

complex/employees.c.

Definition at line 42 of file employees.c.

{ return age_1->value == age_2->value; }

age_hash()

size_t age_hash ( age const * age )

static

Examples

complex/employees.c.

Definition at line 43 of file employees.c.

{ return age->value; }

employee_debug()

void employee_debug ( employee const * self, dc_debug_fmt fmt, FILE * stream )

static

Examples

complex/employees.c.

Definition at line 55 of file employees.c.

                                                                                 {
    fprintf(stream, "employee@%p {\n", (void*)self);
    fmt = dc_debug_fmt_scope_begin(fmt);
 
    dc_debug_fmt_print(fmt, stream, "name: ");
    name_debug(&self->name, fmt, stream);
    fprintf(stream, ",\n");
 
    dc_debug_fmt_print(fmt, stream, "email: \"%s\",\n", self->email);
 
    dc_debug_fmt_print(fmt, stream, "age: ");
    age_debug(&self->age, fmt, stream);
    fprintf(stream, ",\n");
 
    fmt = dc_debug_fmt_scope_end(fmt);
    dc_debug_fmt_print(fmt, stream, "}");
}

hr_system_debug()

void hr_system_debug ( hr_system const * self, dc_debug_fmt fmt, FILE * stream )

static

Examples

complex/employees.c.

Definition at line 129 of file employees.c.

                                                                                   {
    fprintf(stream, "hr_system@%p {\n", (void*)self);
    fmt = dc_debug_fmt_scope_begin(fmt);
 
    dc_debug_fmt_print(fmt, stream, "data: ");
    employees_debug(&self->data, fmt, stream);
    fprintf(stream, ",\n");
 
    dc_debug_fmt_print(fmt, stream, "by_age: ");
    employees_by_age_debug(&self->by_age, fmt, stream);
    fprintf(stream, ",\n");
 
    fmt = dc_debug_fmt_scope_end(fmt);
    dc_debug_fmt_print(fmt, stream, "}");
}

hr_system_delete()

void hr_system_delete ( hr_system * self )

static

Examples

complex/employees.c.

Definition at line 145 of file employees.c.

                                              {
    employees_delete(&self->data);
 
    DC_FOR(employees_by_age, &self->by_age, iter, entry) { same_age_employees_delete(entry.value); }
 
    employees_by_age_delete(&self->by_age);
}

hr_system_new()

hr_system hr_system_new ( )

static

Examples

complex/employees.c.

Definition at line 98 of file employees.c.

                                 {
    return (hr_system){
        .data = employees_new_with_capacity_for(1000, stdalloc_get_ref()),
        .by_age = employees_by_age_new(stdalloc_get_ref()),
    };
}

hr_system_new_employee()

void hr_system_new_employee ( hr_system * self, employee emp )

static

Examples

complex/employees.c.

Definition at line 105 of file employees.c.

                                                                  {
    printf("Adding employee %s %s\n", emp.name.forename, emp.name.surname);
    employees_index_t idx = employees_insert(&self->data, emp);
    same_age_employees* idxes = employees_by_age_try_write(&self->by_age, emp.age);
    if (!idxes) {
        idxes = employees_by_age_insert(&self->by_age, emp.age,
                                        same_age_employees_new(stdalloc_get_ref()));
    }
    same_age_employees_push(idxes, idx);
}

hr_system_newest_of_age()

employee const * hr_system_newest_of_age ( hr_system const * self, age age )

static

Examples

complex/employees.c.

Definition at line 116 of file employees.c.

                                                                               {
    same_age_employees const* idxes = employees_by_age_try_read(&self->by_age, age);
    if (!idxes) {
        return NULL;
    }
    if (same_age_employees_size(idxes) == 0) {
        return NULL;
    }
    employees_index_t const* idx =
        same_age_employees_read(idxes, same_age_employees_size(idxes) - 1);
    return employees_read(&self->data, *idx);
}

main()

int main

(

)

Definition at line 153 of file employees.c.

           {
    hr_system hr = hr_system_new();
 
    employee frank = {
        .age = (age){.value = 22},
        .email = "veryverylongemail@someprovider.net",
        .name =
            (name){
                .forename = "Frank",
                .surname = "Lee",
            },
    };
    hr_system_new_employee(&hr, frank);
 
    name bob_name = {
        .forename = "Bob",
        .surname = "Mike",
    };
    employee bob = {
        .age = (age){.value = 22},
        .email = "bib@cool.org",
        .name = bob_name,
    };
    hr_system_new_employee(&hr, bob);
 
    employee const* newest_22 = hr_system_newest_of_age(&hr, (age){.value = 22});
    DC_ASSERT(newest_22);
    DC_ASSERT(name_eq(&newest_22->name, &bob_name));
 
    hr_system_debug(&hr, dc_debug_fmt_new(), stdout);
 
    hr_system_delete(&hr);
}

name_debug()

void name_debug ( const name * self, dc_debug_fmt fmt, FILE * stream )

static

Examples

complex/employees.c.

Definition at line 32 of file employees.c.

                                                                         {
    (void)fmt;
    fprintf(stream, "name@%p { forename: \"%s\", surname: \"%s\" }", (void*)self, self->forename,
            self->surname);
}

name_eq()

bool name_eq ( const name * name_1, const name * name_2 )

static

Examples

complex/employees.c.

Definition at line 20 of file employees.c.

                                                            {
    if (!name_1 || !name_2)
        return false;
    if (!name_1->forename || !name_2->forename)
        return false;
    if (!name_1->surname || !name_2->surname)
        return false;
 
    return strcmp(name_1->forename, name_2->forename) == 0 &&
           strcmp(name_1->surname, name_2->surname) == 0;
}