From 5a420c21b7202ce89d88461000d7e1233b71fc18 Mon Sep 17 00:00:00 2001 From: AustrianToast Date: Wed, 7 May 2025 23:16:49 +0200 Subject: [PATCH] only url stuff missing for now --- src/strops.c | 94 ++++++++++++++++++++++++++++++++++++++++++++-------- src/tests.c | 2 +- 2 files changed, 82 insertions(+), 14 deletions(-) diff --git a/src/strops.c b/src/strops.c index cc7dd2b..7670533 100644 --- a/src/strops.c +++ b/src/strops.c @@ -3,6 +3,8 @@ #include #include +#include + /* Function template char* strops_(const char* string) { char *result = malloc(strlen(string)); @@ -15,7 +17,7 @@ char* strops_to_lowercase(const char* string) { char *result = malloc(strlen(string)); memcpy(result, string, strlen(string)); size_t i; - for(i = 0; i < strlen(string); i++) { + for (i = 0; i < strlen(string); i++) { if (result[i] >= 'A' && result[i] <= 'Z') { result[i] += 32; } @@ -27,7 +29,7 @@ char* strops_to_uppercase(const char* string) { char *result = malloc(strlen(string)); memcpy(result, string, strlen(string)); size_t i; - for(i = 0; i < strlen(string); i++) { + for (i = 0; i < strlen(string); i++) { if (result[i] >= 'a' && result[i] <= 'z') { result[i] -= 32; } @@ -40,7 +42,7 @@ char* strops_remove_at_pos(const char* string, size_t pos) { memcpy(result, string, strlen(string)); result[pos] = 0; size_t i; - for(i = pos; i < strlen(string); i++) { + for (i = pos; i < strlen(string); i++) { result[i] = result[i + 1]; } result = realloc(result, strlen(result)); @@ -50,7 +52,7 @@ char* strops_remove_at_pos(const char* string, size_t pos) { char* strops_trim_right_whitespace(const char* string) { char *result = malloc(strlen(string)); memcpy(result, string, strlen(string)); - while(strchr("\t\n\v\f\r ", result[strlen(result) - 1]) != NULL) { + while (strchr("\t\n\v\f\r ", result[strlen(result) - 1]) != NULL) { result = strops_remove_at_pos(result, strlen(result) - 1); } result = realloc(result, strlen(result)); @@ -60,7 +62,7 @@ char* strops_trim_right_whitespace(const char* string) { char* strops_trim_left_whitespace(const char* string) { char *result = malloc(strlen(string)); memcpy(result, string, strlen(string)); - while(strchr("\t\n\v\f\r ", result[0]) != NULL) { + while (strchr("\t\n\v\f\r ", result[0]) != NULL) { result = strops_remove_at_pos(result, 0); } result = realloc(result, strlen(result)); @@ -78,7 +80,7 @@ char* strops_trim_both_whitespace(const char* string) { char* strops_trim_right_chars(const char* string, const char* chars_to_remove) { char *result = malloc(strlen(string)); memcpy(result, string, strlen(string)); - while(strchr(chars_to_remove, result[strlen(result) - 1]) != NULL) { + while (strchr(chars_to_remove, result[strlen(result) - 1]) != NULL) { result = strops_remove_at_pos(result, strlen(result) - 1); } result = realloc(result, strlen(result)); @@ -88,7 +90,7 @@ char* strops_trim_right_chars(const char* string, const char* chars_to_remove) { char* strops_trim_left_chars(const char* string, const char* chars_to_remove) { char *result = malloc(strlen(string)); memcpy(result, string, strlen(string)); - while(strchr(chars_to_remove, result[0]) != NULL) { + while (strchr(chars_to_remove, result[0]) != NULL) { result = strops_remove_at_pos(result, 0); } result = realloc(result, strlen(result)); @@ -104,18 +106,45 @@ char* strops_trim_both_chars(const char* string, const char* chars_to_remove) { } char* strops_trim_right_string(const char* string, const char* string_to_remove) { + assert(strlen(string) >= strlen(string_to_remove) && "string_to_remove cannot be bigger than string"); char *result = malloc(strlen(string)); memcpy(result, string, strlen(string)); + + size_t offset = strlen(result) - strlen(string_to_remove); + char* tmp = result + offset; + while (strcmp(tmp, string_to_remove) == 0) { + size_t i; + for (i = 0; i < strlen(string_to_remove); i++) { + result = strops_remove_at_pos(result, offset); + } + offset = strlen(result) - strlen(string_to_remove); + tmp = result + offset; + } + result = realloc(result, strlen(result)); return result; } char* strops_trim_left_string(const char* string, const char* string_to_remove) { + assert(strlen(string) >= strlen(string_to_remove) && "string_to_remove cannot be bigger than string"); char *result = malloc(strlen(string)); memcpy(result, string, strlen(string)); + + char *tmp = malloc(strlen(string_to_remove) + 1); + memcpy(tmp, result, strlen(string_to_remove)); + while (strcmp(tmp, string_to_remove) == 0) { + size_t i; + for (i = 0; i < strlen(string_to_remove); i++) { + result = strops_remove_at_pos(result, 0); + } + memcpy(tmp, result, strlen(string_to_remove)); + } + free(tmp); + result = realloc(result, strlen(result)); return result; } char* strops_trim_both_string(const char* string, const char* string_to_remove) { + assert(strlen(string) >= strlen(string_to_remove) && "string_to_remove cannot be bigger than string"); char *result = malloc(strlen(string)); memcpy(result, string, strlen(string)); result = strops_trim_right_string(result, string_to_remove); @@ -129,7 +158,7 @@ char* strops_remove_chars(const char* string, const char* chars_to_remove) { size_t i; for (i = 0; i < strlen(chars_to_remove); i++) { - while(strchr(result, chars_to_remove[i]) != NULL) { + while (strchr(result, chars_to_remove[i]) != NULL) { result = strops_remove_at_pos(result, strlen(result) - strlen(strchr(result, chars_to_remove[i]))); } } @@ -138,10 +167,11 @@ char* strops_remove_chars(const char* string, const char* chars_to_remove) { } char* strops_remove_string(const char* string, const char* string_to_remove) { + assert(strlen(string) >= strlen(string_to_remove) && "string_to_remove cannot be bigger than string"); char *result = malloc(strlen(string)); memcpy(result, string, strlen(string)); - while(strstr(result, string_to_remove) != NULL) { + while (strstr(result, string_to_remove) != NULL) { size_t offset = strlen(result) - strlen(strstr(result, string_to_remove)); size_t i; for (i = 0; i < strlen(string_to_remove); i++) { @@ -153,20 +183,58 @@ char* strops_remove_string(const char* string, const char* string_to_remove) { } size_t strops_word_count(const char* string) { - char *result = malloc(strlen(string)); - memcpy(result, string, strlen(string)); - return 0; + size_t word_count = 0; + char *tmp = malloc(strlen(string)); + memcpy(tmp, string, strlen(string)); + + size_t i = 0; + size_t beginning_of_word = 0; + size_t end_of_word = end_of_word; + while (i < strlen(string) - 1) { + for (; i < strlen(string); i++) { + if ((tmp[i] >= 'A' && tmp[i] <= 'Z') || (tmp[i] >= 'a' && tmp[i] <= 'z')) { + beginning_of_word = i; + break; + } + } + + if (strchr("\t\n\v\f\r ", tmp[beginning_of_word - 1]) == NULL) { + continue; + } + + for (i = beginning_of_word; i < strlen(string); i++) { + if (!(tmp[i] >= 'A' && tmp[i] <= 'Z') && !(tmp[i] >= 'a' && tmp[i] <= 'z')) { + end_of_word = i; + break; + } + } + + if (strchr("\t\n\v\f\r ", tmp[end_of_word + 1]) == NULL) { + continue; + } + + if (end_of_word - beginning_of_word < 2) { + continue; + } + + i = end_of_word; + word_count++; + } + free(tmp); + return word_count; } char* strops_url_encode(const char* string) { - char *result = malloc(strlen(string)); + char *result = malloc(strlen(string) * 3); /* multiplied by 3, because example: ( => %28. Three times the chars */ memcpy(result, string, strlen(string)); + result = realloc(result, strlen(result)); return result; } char* strops_url_decode(const char* string) { char *result = malloc(strlen(string)); memcpy(result, string, strlen(string)); + result = realloc(result, strlen(result)); return result; } diff --git a/src/tests.c b/src/tests.c index 84d40bc..89c3b6c 100644 --- a/src/tests.c +++ b/src/tests.c @@ -148,7 +148,7 @@ int test_trim_left_string() { } int test_trim_both_string() { - char* input = "NULL Bruh NULL"; + char* input = "NULLNULL Bruh NULLNULL"; char* expected = " Bruh "; char* result = strops_trim_both_string(input, "NULL"); if (strcmp(result, expected) != 0) {