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datum/examples/string_advanced.c
Marco Cetica f8a77a6056
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Added String type documentation
2026-03-16 09:42:15 +01:00

104 lines
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C

/*
* Advanced string manipulation example.
*/
#include <stdio.h>
#include <stdlib.h>
#include "../src/string.h"
int main(void) {
// Create a string for manipulation
string_result_t res = string_new("Hello, World! 😜");
if (res.status != STRING_OK) {
printf("Error: %s\n", res.message);
return 1;
}
string_t *str = res.value.string;
printf("Original string: \"%s\"\n\n", str->data);
// Uppercase string
string_result_t res_upper = string_to_upper(str);
if (res_upper.status != STRING_OK) {
printf("Error: %s\n", res_upper.message);
return 1;
}
printf("Uppercase: \"%s\"\n", res_upper.value.string->data);
string_destroy(res_upper.value.string);
// Lowercase string
string_result_t res_lower = string_to_lower(str);
if (res_lower.status != STRING_OK) {
printf("Error: %s\n", res_lower.message);
return 1;
}
printf("Lowercase: \"%s\"\n\n", res_lower.value.string->data);
string_destroy(res_lower.value.string);
// Reverse string
string_result_t res_rev = string_reverse(str);
if (res_rev.status != STRING_OK) {
printf("Error: %s\n", res_rev.message);
return 1;
}
printf("Reversed: \"%s\"\n\n", res_rev.value.string->data);
string_destroy(res_rev.value.string);
// Change first character of the string
string_result_t res_set = string_set_at(str, 0, "J");
if (res_set.status != STRING_OK) {
printf("Error: %s\n", res_set.message);
return 1;
}
printf("Updated string: \"%s\"\n\n", res_set.value.string->data);
string_destroy(res_set.value.string);
// Get character from string (the emoji)
string_result_t res_get = string_get_at(str, 14);
if (res_get.status != STRING_OK) {
printf("Error: %s\n", res_get.message);
return 1;
}
printf("Extracted symbol: \"%s\"\n", res_get.value.symbol);
free(res_get.value.symbol);
// Trim string
string_t *to_trim = string_new(" foo ").value.string;
string_result_t res_trim = string_trim(to_trim);
if (res_trim.status != STRING_OK) {
printf("Error: %s\n", res_trim.message);
return 1;
}
printf("Trimmed string: \"%s\"\n\n", res_trim.value.string->data);
string_destroy(to_trim);
string_destroy(res_trim.value.string);
// Split string
string_t *to_split = string_new("foo/bar/biz").value.string;
string_result_t res_split = string_split(to_split, "/");
if (res_split.status != STRING_OK) {
printf("Error: %s\n", res_split.message);
return 1;
}
const size_t count = res_split.value.split.count;
string_t **strings = res_split.value.split.strings;
printf("Original string: \"%s\"\nSplitted string: ", to_split->data);
for (size_t idx = 0; idx < count; idx++) {
printf("\"%s\" ", strings[idx]->data);
}
printf("\n");
string_split_destroy(strings, count);
string_destroy(to_split);
string_destroy(str);
return 0;
}