amxc_string_join.c

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#include <stdlib.h>
#include <string.h>
#include <ctype.h>
 
#include <amxc/amxc_variant.h>
#include <amxc/amxc_string_join.h>
#include <amxc/amxc_macros.h>
 
int amxc_string_join_llist(amxc_string_t* string,
                           const amxc_llist_t* list,
                           char separator) {
    int retval = -1;
 
    when_null(string, exit);
    when_null(list, exit);
    when_true(isalnum(separator) != 0, exit);
    when_true(separator == '[' || separator == ']', exit);
 
    if(isspace(separator) != 0) {
        separator = ' ';
    }
 
    amxc_llist_for_each(it, list) {
        amxc_string_t* part = amxc_string_from_llist_it(it);
        if(!amxc_string_is_empty(string)) {
            amxc_string_appendf(string, "%c", separator);
        }
        amxc_string_append(string,
                           amxc_string_get(part, 0),
                           amxc_string_text_length(part));
    }
 
    retval = 0;
 
exit:
    return retval;
}
 
int amxc_string_join_var_until(amxc_string_t* string,
                               const amxc_var_t* const var,
                               const char* separator,
                               const char* end,
                               bool remove) {
    int retval = -1;
    const amxc_llist_t* list = NULL;
    const char* sep = "";
    when_null(string, exit);
    when_null(var, exit);
    when_true(amxc_var_type_of(var) != AMXC_VAR_ID_LIST, exit);
 
    list = amxc_var_constcast(amxc_llist_t, var);
 
    amxc_llist_for_each(it, list) {
        amxc_var_t* part = amxc_var_from_llist_it(it);
 
        amxc_string_appendf(string, "%s", sep);
 
        if(amxc_var_type_of(part) == AMXC_VAR_ID_LIST) {
            amxc_string_append(string, "[", 1);
            amxc_string_csv_join_var(string, part);
            amxc_string_append(string, "]", 1);
        } else if((amxc_var_type_of(part) == AMXC_VAR_ID_CSTRING) ||
                  ( amxc_var_type_of(part) == AMXC_VAR_ID_CSV_STRING) ||
                  ( amxc_var_type_of(part) == AMXC_VAR_ID_SSV_STRING)) {
            const char* txt = amxc_var_constcast(cstring_t, part);
            if((txt != NULL) && (end != NULL) && (strcmp(txt, end) == 0)) {
                if(remove) {
                    amxc_var_delete(&part);
                }
                break;
            }
            amxc_string_appendf(string, "%s", txt);
        } else {
            char* txt = amxc_var_dyncast(cstring_t, part);
            if((txt != NULL) && (end != NULL) && (strcmp(txt, end) == 0)) {
                if(remove) {
                    amxc_var_delete(&part);
                }
                free(txt);
                break;
            }
            amxc_string_appendf(string, "%s", txt);
            free(txt);
        }
        if(remove) {
            amxc_var_delete(&part);
        }
        sep = separator;
    }
 
    retval = 0;
 
exit:
    return retval;
 
}
 
int amxc_string_join_var(amxc_string_t* string,
                         const amxc_var_t* const var,
                         const char* separator) {
    return amxc_string_join_var_until(string, var, separator, NULL, false);
}
 
int amxc_string_csv_join_var(amxc_string_t* string,
                             const amxc_var_t* const var) {
    return amxc_string_join_var(string, var, ",");
}
 
int amxc_string_ssv_join_var(amxc_string_t* string,
                             const amxc_var_t* const var) {
    return amxc_string_join_var(string, var, " ");
}