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#ifndef CEPH_FORMATTER_H
#define CEPH_FORMATTER_H
#include <deque>
#include <inttypes.h>
#include <iostream>
#include <list>
#include <ostream>
#include <sstream>
#include <stdarg.h>
#include <string>
namespace ceph {
class Formatter {
public:
Formatter();
virtual ~Formatter();
virtual void flush(std::ostream& os) = 0;
virtual void reset() = 0;
virtual void open_array_section(const char *name) = 0;
virtual void open_array_section_in_ns(const char *name, const char *ns) = 0;
virtual void open_object_section(const char *name) = 0;
virtual void open_object_section_in_ns(const char *name, const char *ns) = 0;
virtual void close_section() = 0;
virtual void dump_unsigned(const char *name, uint64_t u) = 0;
virtual void dump_int(const char *name, int64_t s) = 0;
virtual void dump_float(const char *name, double d) = 0;
virtual void dump_string(const char *name, std::string s) = 0;
virtual std::ostream& dump_stream(const char *name) = 0;
virtual void dump_format(const char *name, const char *fmt, ...) = 0;
virtual int get_len() const = 0;
virtual void write_raw_data(const char *data) = 0;
};
class JSONFormatter : public Formatter {
public:
JSONFormatter(bool p=false);
void flush(std::ostream& os);
void reset();
void open_array_section(const char *name);
void open_array_section_in_ns(const char *name, const char *ns);
void open_object_section(const char *name);
void open_object_section_in_ns(const char *name, const char *ns);
void close_section();
void dump_unsigned(const char *name, uint64_t u);
void dump_int(const char *name, int64_t u);
void dump_float(const char *name, double d);
void dump_string(const char *name, std::string s);
std::ostream& dump_stream(const char *name);
void dump_format(const char *name, const char *fmt, ...);
int get_len() const;
void write_raw_data(const char *data);
private:
struct json_formatter_stack_entry_d {
int size;
bool is_array;
json_formatter_stack_entry_d() : size(0), is_array(false) {}
};
bool m_pretty;
void open_section(const char *name, bool is_array);
void print_quoted_string(const char *s);
void print_name(const char *name);
void print_comma(json_formatter_stack_entry_d& entry);
void finish_pending_string();
std::stringstream m_ss, m_pending_string;
std::list<json_formatter_stack_entry_d> m_stack;
bool m_is_pending_string;
};
class XMLFormatter : public Formatter {
public:
static const char *XML_1_DTD;
XMLFormatter(bool pretty = false);
void flush(std::ostream& os);
void reset();
void open_array_section(const char *name);
void open_array_section_in_ns(const char *name, const char *ns);
void open_object_section(const char *name);
void open_object_section_in_ns(const char *name, const char *ns);
void close_section();
void dump_unsigned(const char *name, uint64_t u);
void dump_int(const char *name, int64_t u);
void dump_float(const char *name, double d);
void dump_string(const char *name, std::string s);
std::ostream& dump_stream(const char *name);
void dump_format(const char *name, const char *fmt, ...);
int get_len() const;
void write_raw_data(const char *data);
private:
void open_section_in_ns(const char *name, const char *ns);
void finish_pending_string();
void print_spaces(bool extra_space);
static std::string escape_xml_str(const char *str);
std::stringstream m_ss, m_pending_string;
std::deque<std::string> m_sections;
bool m_pretty;
std::string m_pending_string_name;
};
}
#endif
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