| // Copyright 2008, Google Inc. |
| // All rights reserved. |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following disclaimer |
| // in the documentation and/or other materials provided with the |
| // distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #ifndef BASE_JSON_WRITER_H_ |
| #define BASE_JSON_WRITER_H_ |
| |
| #include <string> |
| |
| #include "base/basictypes.h" |
| |
| class Value; |
| |
| class JSONWriter { |
| public: |
| // Given a root node, generates a JSON string and puts it into |json|. |
| // If |pretty_print| is true, return a slightly nicer formated json string |
| // (pads with whitespace to help readability). If |pretty_print| is false, |
| // we try to generate as compact a string as possible. |
| // TODO(tc): Should we generate json if it would be invalid json (e.g., |
| // |node| is not a DictionaryValue/ListValue or if there are inf/-inf float |
| // values)? |
| static void Write(const Value* const node, bool pretty_print, |
| std::string* json); |
| |
| private: |
| JSONWriter(bool pretty_print, std::string* json); |
| |
| // Called recursively to build the JSON string. Whe completed, value is |
| // json_string_ will contain the JSON. |
| void BuildJSONString(const Value* const node, int depth); |
| |
| // Appends a quoted, escaped, version of str to json_string_. |
| void AppendQuotedString(const std::wstring& str); |
| |
| // Adds space to json_string_ for the indent level. |
| void IndentLine(int depth); |
| |
| // Where we write JSON data as we generate it. |
| std::string* json_string_; |
| |
| bool pretty_print_; |
| |
| DISALLOW_COPY_AND_ASSIGN(JSONWriter); |
| }; |
| |
| #endif // BASE_JSON_WRITER_H_ |