#include #include #include #include #include #include "m-list.h" #include "m-string.h" #include "m-algo.h" // Let's create a list of string by using the M*LIB dynamic string 'string_t' // The prefix used for generating functions will be 'list_string' LIST_DEF(list_string, string_t) // Let's register the oplist globally so that other M*LIB macros // can get the oplist without us giving it explictly to them. // An oplist is the association of operators to the provided methods // so that generic code can use correctly an object of such type. // LIST_OPLIST is a macro used to generate the oplist associated to the // list itself. It needs the prefix used for generating the list (aka list_string here) // and the oplist of the item in the list (aka the string oplist) #define M_OPL_list_string_t() LIST_OPLIST(list_string, STRING_OPLIST) // Let's define some basic algorithms over this list of string. // We reuse the prefix of the list to simplify usage, but algorithms can use separate namespace. ALGO_DEF(list_string, M_OPL_list_string_t()) int main(void) { // Let's create a variable named 'list' which is a list of string_t // This variable is only defined within the associated '{' '}' block. // The constructor/destructor of the variable will be called within this block // You can also define the variable (list_string_t) and use explicitly // its constructor (list_string_init) / destructor (list_string_clear). M_LET (list, list_string_t) M_LET (tmpstr, string_t) { // And let's create also a string_t // add string elements to the list in different ways // First is pushing a const string. // The macro STRING_CTE creates a const string_t based on the given const char * string. list_string_push_back (list, STRING_CTE("AB")); // Second is creating a separate string_t and then pushing it in the list string_printf(tmpstr, "%d", 12); list_string_push_back (list, tmpstr); // Third is to emplace directly in the list by constructing a new string_t based on the given const char * list_string_emplace_back (list, "CD"); // Serialize the list of string into a big string. list_string_get_str (tmpstr, list, false); // print it printf("Number of elements = %zu\n", list_string_size(list)); printf("Final string = %s\n", string_get_cstr(tmpstr)); // Let's iterate over each element of the list // using the macro for iteration over a container. printf ("Using macro EACH:\n"); for M_EACH (item, list, list_string_t) { printf ("Item = "); string_fputs (stdout, *item); printf ("\n"); } // You can also use classic iterator: list_string_it_t it; printf ("Using iterators:\n"); for(list_string_it(it, list) ; !list_string_end_p(it) ; list_string_next(it)) { const string_t *item = list_string_cref (it); printf ("Item = "); string_fputs (stdout, *item); printf ("\n"); } #if (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L) // Another way: we map each element to the M_PRINT function. printf ("Using macro ALGO_FOR_EACH:"); ALGO_FOR_EACH(list, list_string_t, M_PRINT, "\nItem = "); printf ("\n"); #endif // Get the min and the max of the list string_t *p = list_string_min(list); printf ("Min string is %s\n", string_get_cstr(*p)); p = list_string_max(list); printf ("Max string is %s\n", string_get_cstr(*p)); // We can even sort the list. list_string_sort(list); for M_EACH (item, list, list_string_t) { printf ("Sort Item = %s\n", string_get_cstr(*item) ); } // Split a string into a list. string_set_str(tmpstr, "HELLO;JOHN;HOW;ARE;YOU"); list_string_split(list, tmpstr, ';'); // Iterate over the splitted list for M_EACH (item, list, list_string_t) { printf ("Split Item = %s\n", string_get_cstr(*item) ); } } // Everything is cleared after this point. // Let's create another list of string and init it. list_string_t list; list_string_init(list); // Let's put some elements in it: list_string_emplace_back (list, "A"); list_string_emplace_back (list, "B"); list_string_emplace_back (list, "C"); list_string_emplace_back (list, "D"); // Reverse it list_string_reverse(list); // Let's display the string by serializing the elements of the list: printf ("List of string = "); list_string_out_str(stdout, list); printf ("\n"); // Don't forget to clear the list before leaving list_string_clear(list); return 0; }