From df9b8f8ae7a540988c20fdffaaff2442c349873a Mon Sep 17 00:00:00 2001
From: "Nicolas \"Pixel\" Noble" <pixel@nobis-crew.org>
Date: Fri, 20 Jun 2014 21:31:41 -0700
Subject: Moving tokenize, percentEncode and percentDecode around. Fixing a few
 warnings. Workarounding c-ares  and pthreads compilation issue with unicode.

---
 src/Http.cc | 68 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 68 insertions(+)

(limited to 'src/Http.cc')

diff --git a/src/Http.cc b/src/Http.cc
index 10c3430..c645836 100644
--- a/src/Http.cc
+++ b/src/Http.cc
@@ -72,3 +72,71 @@ static const std::map<const Balau::String, const char *> s_mimeMap {
 const char * Balau::Http::getContentType(const String & extension) {
     return getMap<const Balau::String>(s_mimeMap, extension, "application/octet-stream");
 }
+
+
+Balau::String Balau::Http::percentEncode(const String & src) {
+    const size_t size = src.strlen();
+    String ret;
+    ret.reserve(size);
+
+    static char toHex[] = "0123456789ABCDEF";
+
+    for (size_t i = 0; i < size; i++) {
+        char c = src[i];
+        if (((c >= '0') && (c <= '9')) || ((c >= 'A') && (c <= 'Z')) || ((c >= 'a') && (c <= 'z')) || (c == '-') || (c == '.') || (c == '_') || (c == '~')) {
+            ret += c;
+        }
+        else {
+            ret += '%';
+            ret += toHex[c >> 4];
+            ret += toHex[c & 15];
+        }
+    }
+
+    return ret;
+}
+
+Balau::String Balau::Http::percentDecode(const String & src) {
+    const size_t size = src.strlen();
+    String ret;
+    ret.reserve(size);
+
+    for (size_t i = 0; i < size; i++) {
+        char c = src[i];
+        if (((c >= '0') && (c <= '9')) || ((c >= 'A') && (c <= 'Z')) || ((c >= 'a') && (c <= 'z')) || (c == '-') || (c == '.') || (c == '_') || (c == '~')) {
+            ret += c;
+        }
+        else if ((c == '%') && ((i + 2) < size)) {
+            char h1 = src[i + 1];
+            char h2 = src[i + 2];
+            if ((h1 >= '0') && (h1 <= '9')) {
+                c = h1 - '0';
+            }
+            else if ((h1 >= 'A') && (h1 <= 'F')) {
+                c = h1 - 'A' + 10;
+            }
+            else {
+                // invalid
+                return ret;
+            }
+            c <<= 4;
+            if ((h2 >= '0') && (h2 <= '9')) {
+                c |= h2 - '0';
+            }
+            else if ((h2 >= 'A') && (h2 <= 'F')) {
+                c |= h2 - 'A' + 10;
+            }
+            else {
+                // invalid
+                return ret;
+            }
+            i += 2;
+        }
+        else {
+            // invalid
+            return ret;
+        }
+    }
+
+    return ret;
+}
-- 
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