Introduce UrlPattern.

base/string_util.cc

 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/string_util.h"
 
 #include "build/build_config.h"
 
 #include <ctype.h>
 #include <errno.h>
@@ skipping 1122 matching lines @@
                          std::vector<std::wstring>* r) {
   SplitStringT(str, s, false, r);
 }
 
 void SplitStringDontTrim(const std::string& str,
                          char s,
                          std::vector<std::string>* r) {
   SplitStringT(str, s, false, r);
 }
 
+template<typename STR>
+static STR JoinStringT(const std::vector<STR>& parts,
+                       typename STR::value_type sep) {
+  if (parts.size() == 0) return STR();
+
+  STR result(parts[0]);
+  std::vector<STR>::const_iterator iter = parts.begin();
+  ++iter;
+
+  for (; iter != parts.end(); ++iter) {
+    result += sep;
+    result += *iter;
+  }
+
+  return result;
+}
+
+std::string JoinString(const std::vector<std::string>& parts, char sep) {
+  return JoinStringT(parts, sep);
+}
+
+std::wstring JoinString(const std::vector<std::wstring>& parts, wchar_t sep) {
+  return JoinStringT(parts, sep);
+}
+
 void SplitStringAlongWhitespace(const std::wstring& str,
                                 std::vector<std::wstring>* result) {
   const size_t length = str.length();
   if (!length)
     return;
 
   bool last_was_ws = false;
   size_t last_non_ws_start = 0;
   for (size_t i = 0; i < length; ++i) {
     switch(str[i]) {
@@ skipping 428 matching lines @@
   // Each input byte creates two output hex characters.
   std::string ret(size * 2, '\0');
 
   for (size_t i = 0; i < size; ++i) {
     char b = reinterpret_cast<const char*>(bytes)[i];
     ret[(i * 2)] = kHexChars[(b >> 4) & 0xf];
     ret[(i * 2) + 1] = kHexChars[b & 0xf];
   }
   return ret;
 }