Index: base/string_escape.cc |
=================================================================== |
--- base/string_escape.cc (revision 29830) |
+++ base/string_escape.cc (working copy) |
@@ -1,87 +0,0 @@ |
-// 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_escape.h" |
- |
-#include <string> |
- |
-#include "base/string_util.h" |
- |
-namespace string_escape { |
- |
-// Try to escape |c| as a "SingleEscapeCharacter" (\n, etc). If successful, |
-// returns true and appends the escape sequence to |dst|. This isn't required |
-// by the spec, but it's more readable by humans than the \uXXXX alternatives. |
-template<typename CHAR> |
-static bool JsonSingleEscapeChar(const CHAR c, std::string* dst) { |
- // WARNING: if you add a new case here, you need to update the reader as well. |
- // Note: \v is in the reader, but not here since the JSON spec doesn't |
- // allow it. |
- switch (c) { |
- case '\b': |
- dst->append("\\b"); |
- break; |
- case '\f': |
- dst->append("\\f"); |
- break; |
- case '\n': |
- dst->append("\\n"); |
- break; |
- case '\r': |
- dst->append("\\r"); |
- break; |
- case '\t': |
- dst->append("\\t"); |
- break; |
- case '\\': |
- dst->append("\\\\"); |
- break; |
- case '"': |
- dst->append("\\\""); |
- break; |
- default: |
- return false; |
- } |
- return true; |
-} |
- |
-template <class STR> |
-void JsonDoubleQuoteT(const STR& str, |
- bool put_in_quotes, |
- std::string* dst) { |
- if (put_in_quotes) |
- dst->push_back('"'); |
- |
- for (typename STR::const_iterator it = str.begin(); it != str.end(); ++it) { |
- typename ToUnsigned<typename STR::value_type>::Unsigned c = *it; |
- if (!JsonSingleEscapeChar(c, dst)) { |
- if (c < 32 || c > 126) { |
- // Technically, we could also pass through c > 126 as UTF8, but this is |
- // also optional. It would also be a pain to implement here. |
- unsigned int as_uint = static_cast<unsigned int>(c); |
- StringAppendF(dst, "\\u%04X", as_uint); |
- } else { |
- unsigned char ascii = static_cast<unsigned char>(*it); |
- dst->push_back(ascii); |
- } |
- } |
- } |
- |
- if (put_in_quotes) |
- dst->push_back('"'); |
-} |
- |
-void JsonDoubleQuote(const std::string& str, |
- bool put_in_quotes, |
- std::string* dst) { |
- JsonDoubleQuoteT(str, put_in_quotes, dst); |
-} |
- |
-void JsonDoubleQuote(const string16& str, |
- bool put_in_quotes, |
- std::string* dst) { |
- JsonDoubleQuoteT(str, put_in_quotes, dst); |
-} |
- |
-} // namespace string_escape |