/**

 * This file is part of the CernVM File System.

 */

#ifndef CVMFS_JSON_DOCUMENT_H_

#define CVMFS_JSON_DOCUMENT_H_

#include <string>

#include <utility>

#include <vector>

#include "json.h"

#include "util/single_copy.h"

typedef struct json_value JSON;

typedef std::vector<std::pair<const char *, const char *> > JsonStringInput;

bool ToJsonString(const JsonStringInput &input, std::string *output);

class JsonDocument : SingleCopy {

 public:

  static JsonDocument *Create(const std::string &text);

  ~JsonDocument();

  std::string PrintCanonical();

  std::string PrintPretty();

  static std::string EscapeString(const std::string &input);

  static JSON *SearchInObject(const JSON *json_object, const std::string &name,

                              const json_type type);

 private:

  static const unsigned kDefaultBlockSize = 2048;  // 2kB

  struct PrintOptions {

    bool with_whitespace;

    unsigned num_indent;

  };

  JsonDocument();

  bool Parse(const std::string &text);

  std::string PrintValue(JSON *value, PrintOptions print_options);

  std::string PrintArray(JSON *first_child, PrintOptions print_options);

  std::string PrintObject(JSON *first_child, PrintOptions print_options);

  block_allocator allocator_;

  JSON *root_;

  char *raw_text_;

};

#endif  // CVMFS_JSON_DOCUMENT_H_