| 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
|
|
|