progress on implementation

src/strops.c

@@ -3,8 +3,6 @@
 #include <stdlib.h>
 #include <assert.h>
 
-#include <stdio.h>
-
 /* Function template
 char* strops_(const char* string) {
     char *result = malloc(strlen(string));
@@ -76,3 +74,99 @@ char* strops_trim_both_whitespace(const char* string) {
     result = strops_trim_left_whitespace(result);
     return result;
 }
+
+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) {
+        result = strops_remove_at_pos(result, strlen(result) - 1);
+    }
+    result = realloc(result, strlen(result));
+    return result;
+}
+
+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) {
+        result = strops_remove_at_pos(result, 0);
+    }
+    result = realloc(result, strlen(result));
+    return result;
+}
+
+char* strops_trim_both_chars(const char* string, const char* chars_to_remove) {
+    char *result = malloc(strlen(string));
+    memcpy(result, string, strlen(string));
+    result = strops_trim_right_chars(result, chars_to_remove);
+    result = strops_trim_left_chars(result, chars_to_remove);
+    return result;
+}
+
+char* strops_trim_right_string(const char* string, const char* string_to_remove) {
+    char *result = malloc(strlen(string));
+    memcpy(result, string, strlen(string));
+    return result;
+}
+
+char* strops_trim_left_string(const char* string, const char* string_to_remove) {
+    char *result = malloc(strlen(string));
+    memcpy(result, string, strlen(string));
+    return result;
+}
+
+char* strops_trim_both_string(const char* string, const char* string_to_remove) {
+    char *result = malloc(strlen(string));
+    memcpy(result, string, strlen(string));
+    result = strops_trim_right_string(result, string_to_remove);
+    result = strops_trim_left_string(result, string_to_remove);
+    return result;
+}
+
+char* strops_remove_chars(const char* string, const char* chars_to_remove) {
+    char *result = malloc(strlen(string));
+    memcpy(result, string, strlen(string));
+
+    size_t i;
+    for (i = 0; i < strlen(chars_to_remove); i++) {
+        while(strchr(result, chars_to_remove[i]) != NULL) {
+            result = strops_remove_at_pos(result, strlen(result) - strlen(strchr(result, chars_to_remove[i])));
+        }
+    }
+    result = realloc(result, strlen(result));
+    return result;
+}
+
+char* strops_remove_string(const char* string, const char* string_to_remove) {
+    char *result = malloc(strlen(string));
+    memcpy(result, string, strlen(string));
+
+    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++) {
+            result  = strops_remove_at_pos(result, offset);
+        }
+    }
+    result = realloc(result, strlen(result));
+    return result;
+}
+
+size_t strops_word_count(const char* string) {
+    char *result = malloc(strlen(string));
+    memcpy(result, string, strlen(string));
+    return 0;
+}
+
+char* strops_url_encode(const char* string) {
+    char *result = malloc(strlen(string));
+    memcpy(result, string, strlen(string));
+    return result;
+}
+
+char* strops_url_decode(const char* string) {
+    char *result = malloc(strlen(string));
+    memcpy(result, string, strlen(string));
+    return result;
+}
+