1 files changed, 99 insertions, 0 deletions
diff --git a/chromeos/strings/string_utils.cc b/chromeos/strings/string_utils.cc
new file mode 100644
index 0000000..fa7aba3
--- /dev/null
+++ b/chromeos/strings/string_utils.cc
@@ -0,0 +1,99 @@
+// Copyright 2014 The Chromium OS 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 <chromeos/strings/string_utils.h>
+
+#include <algorithm>
+#include <string.h>
+#include <utility>
+
+#include <base/strings/string_util.h>
+#include <base/strings/stringprintf.h>
+
+namespace chromeos {
+namespace string_utils {
+
+std::vector<std::string> Split(const std::string& str,
+                               char delimiter,
+                               bool trim_whitespaces,
+                               bool purge_empty_strings) {
+  std::vector<std::string> tokens;
+  if (delimiter == 0)
+    return tokens;
+
+  const char* sz = str.c_str();
+  if (sz) {
+    const char* szNext = strchr(sz, delimiter);
+    while (szNext) {
+      if (szNext != sz || !purge_empty_strings)
+        tokens.emplace_back(sz, szNext - sz);
+      sz = szNext + 1;
+      szNext = strchr(sz, delimiter);
+    }
+    if (*sz != 0 || !purge_empty_strings)
+      tokens.emplace_back(sz);
+  }
+
+  if (trim_whitespaces) {
+    std::for_each(tokens.begin(), tokens.end(),
+                  [](std::string& str) {
+      base::TrimWhitespaceASCII(str, base::TRIM_ALL, &str); });
+  }
+
+  return tokens;
+}
+
+std::pair<std::string, std::string> SplitAtFirst(const std::string& str,
+                                                 char delimiter,
+                                                 bool trim_whitespaces) {
+  std::pair<std::string, std::string> pair;
+  if (delimiter == 0)
+    return pair;
+
+  const char* sz = str.c_str();
+  const char* szNext = strchr(sz, delimiter);
+  if (szNext) {
+    pair.first = std::string(sz, szNext);
+    pair.second = std::string(szNext + 1);
+  } else {
+    pair.first = str;
+  }
+
+  if (trim_whitespaces) {
+    base::TrimWhitespaceASCII(pair.first, base::TRIM_ALL, &pair.first);
+    base::TrimWhitespaceASCII(pair.second, base::TRIM_ALL, &pair.second);
+  }
+
+  return pair;
+}
+
+std::string Join(char delimiter, const std::vector<std::string>& strings) {
+  return JoinString(strings, delimiter);
+}
+
+std::string Join(const std::string& delimiter,
+                 const std::vector<std::string>& strings) {
+  return JoinString(strings, delimiter);
+}
+
+std::string Join(char delimiter,
+                 const std::string& str1, const std::string& str2) {
+  return str1 + delimiter + str2;
+}
+
+std::string Join(const std::string& delimiter,
+                 const std::string& str1, const std::string& str2) {
+  return str1 + delimiter + str2;
+}
+
+std::string ToString(double value) {
+  return base::StringPrintf("%g", value);
+}
+
+std::string ToString(bool value) {
+  return value ? "true" : "false";
+}
+
+}  // namespace string_utils
+}  // namespace chromeos