rebase(d)

6 files changed, 156 insertions, 0 deletions

diff --git a/src/Utility/Display.c b/src/Utility/Display.c
new file mode 100644
index 0000000..492e998
--- /dev/null
+++ b/src/Utility/Display.c
@@ -0,0 +1,46 @@
+#include "Display.h"
+#include <ctype.h>
+#include <stdlib.h>
+#include <string.h>
+#include <strings.h>
+
+char *pretty_display_url(const char *input) {
+    if (!input) return NULL;
+
+    const char *start = input;
+
+    const char *protocol_pos = strstr(input, "://");
+    if (protocol_pos) {
+        start = protocol_pos + 3;
+    }
+
+    if (strncasecmp(start, "www.", 4) == 0) {
+        start += 4;
+    }
+
+    size_t input_len = strlen(start);
+    char temp[512];
+    strncpy(temp, start, sizeof(temp) - 1);
+    temp[sizeof(temp) - 1] = '\0';
+
+    if (input_len > 0 && temp[input_len - 1] == '/') {
+        temp[input_len - 1] = '\0';
+    }
+
+    char *output = (char *)malloc(strlen(temp) * 3 + 1);
+    if (!output) return NULL;
+
+    size_t j = 0;
+    for (size_t i = 0; temp[i] != '\0'; i++) {
+        if (temp[i] == '/') {
+            output[j++] = ' ';
+            output[j++] = '>';
+            output[j++] = ' ';
+        } else {
+            output[j++] = (char)tolower((unsigned char)temp[i]);
+        }
+    }
+    output[j] = '\0';
+
+    return output;
+}
diff --git a/src/Utility/Display.h b/src/Utility/Display.h
new file mode 100644
index 0000000..bbaf421
--- /dev/null
+++ b/src/Utility/Display.h
@@ -0,0 +1,6 @@
+#ifndef DISPLAY_H
+#define DISPLAY_H
+
+char *pretty_display_url(const char *input);
+
+#endif
diff --git a/src/Utility/Unescape.c b/src/Utility/Unescape.c
new file mode 100644
index 0000000..e2968b2
--- /dev/null
+++ b/src/Utility/Unescape.c
@@ -0,0 +1,80 @@
+#include "Unescape.h"
+#include "Utility.h"
+#include <stdlib.h>
+#include <string.h>
+
+char *unescape_search_url(const char *input) {
+  if (!input) return NULL;
+
+  const char *key = NULL;
+  const char *start = NULL;
+  const char *end = NULL;
+  size_t len = 0;
+
+  if (strstr(input, "uddg=")) {
+    key = "uddg=";
+    start = strstr(input, key);
+    if (!start) return NULL;
+    start += strlen(key);
+    end = strchr(start, '&');
+    len = end ? (size_t)(end - start) : strlen(start);
+  }
+
+  else if (strstr(input, "RU=")) {
+    key = "RU=";
+    start = strstr(input, key);
+    if (!start) return strdup(input);
+    start += strlen(key);
+    end = strchr(start, '/');
+    len = end ? (size_t)(end - start) : strlen(start);
+  }
+
+  else {
+    return strdup(input);
+  }
+
+  char *output = (char *)malloc(len * 3 + 1);
+  if (!output) return NULL;
+
+  size_t i = 0, j = 0;
+  while (i < len) {
+    if (start[i] == '%' && i + 2 < len) {
+      int high = hex_to_int(start[i + 1]);
+      int low = hex_to_int(start[i + 2]);
+      if (high != -1 && low != -1) {
+        output[j++] = (char)((high << 4) | low);
+        i += 3;
+      } else {
+        output[j++] = start[i++];
+      }
+    } else if (start[i] == '+') {
+      output[j++] = ' ';
+      i++;
+    } else {
+      output[j++] = start[i++];
+    }
+  }
+  output[j] = '\0';
+
+  return output;
+}
+
+char *url_decode_query(const char *src) {
+  if (!src) return NULL;
+  char *res = strdup(src);
+  char *p = res;
+  while (*src) {
+    if (*src == '+') {
+      *p++ = ' ';
+    } else if (*src == '%' && src[1] && src[2]) {
+      char hex[3] = {src[1], src[2], '\0'};
+      *p++ = (char)strtol(hex, NULL, 16);
+      src += 2;
+    } else {
+      *p++ = *src;
+    }
+    src++;
+  }
+  *p = '\0';
+  return res;
+}
diff --git a/src/Utility/Unescape.h b/src/Utility/Unescape.h
new file mode 100644
index 0000000..0adb228
--- /dev/null
+++ b/src/Utility/Unescape.h
@@ -0,0 +1,10 @@
+#ifndef UNESCAPE_H
+#define UNESCAPE_H
+
+#include <stddef.h>
+
+char *unescape_search_url(const char *input);
+char *url_decode_query(const char *src);
+
+#endif
+
diff --git a/src/Utility/Utility.c b/src/Utility/Utility.c
new file mode 100644
index 0000000..8e5af92
--- /dev/null
+++ b/src/Utility/Utility.c
@@ -0,0 +1,8 @@
+#include "Utility.h"
+
+int hex_to_int(char c) {
+    if (c >= '0' && c <= '9') return c - '0';
+    if (c >= 'a' && c <= 'f') return c - 'a' + 10;
+    if (c >= 'A' && c <= 'F') return c - 'A' + 10;
+    return -1;
+}
diff --git a/src/Utility/Utility.h b/src/Utility/Utility.h
new file mode 100644
index 0000000..3b0181c
--- /dev/null
+++ b/src/Utility/Utility.h
@@ -0,0 +1,6 @@
+#ifndef UTILITY_H
+#define UTILITY_H
+
+int hex_to_int(char c);
+
+#endif