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#ifndef CEPH_FORMATTER_H
#define CEPH_FORMATTER_H
#include "include/int_types.h"
#include <deque>
#include <iostream>
#include <list>
#include <ostream>
#include <sstream>
#include <stdarg.h>
#include <string>
#include "include/buffer.h"
namespace ceph {
struct FormatterAttrs {
std::list< std::pair<std::string, std::string> > attrs;
FormatterAttrs(const char *attr, ...);
};
class Formatter {
public:
Formatter();
virtual ~Formatter();
virtual void flush(std::ostream& os) = 0;
void flush(bufferlist &bl) {
std::stringstream os;
flush(os);
bl.append(os.str());
}
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 void dump_bool(const char *name, bool b) {
dump_string(name, (b ? "true" : "false"));
}
virtual std::ostream& dump_stream(const char *name) = 0;
virtual void dump_format(const char *name, const char *fmt, ...) = 0;
virtual void dump_format_unquoted(const char *name, const char *fmt, ...) = 0;
virtual int get_len() const = 0;
virtual void write_raw_data(const char *data) = 0;
/* with attrs */
virtual void open_array_section_with_attrs(const char *name, const FormatterAttrs& attrs) {
open_array_section(name);
}
virtual void open_object_section_with_attrs(const char *name, const FormatterAttrs& attrs) {
open_object_section(name);
}
virtual void dump_string_with_attrs(const char *name, std::string s, const FormatterAttrs& attrs) {
dump_string(name, s);
}
};
Formatter *new_formatter(const std::string type);
class JSONFormatter : public Formatter {
public:
JSONFormatter(bool p=false);
void flush(std::ostream& os);
void reset();
virtual 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, ...);
void dump_format_unquoted(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, ...);
void dump_format_unquoted(const char *name, const char *fmt, ...);
int get_len() const;
void write_raw_data(const char *data);
/* with attrs */
void open_array_section_with_attrs(const char *name, const FormatterAttrs& attrs);
void open_object_section_with_attrs(const char *name, const FormatterAttrs& attrs);
void dump_string_with_attrs(const char *name, std::string s, const FormatterAttrs& attrs);
private:
void open_section_in_ns(const char *name, const char *ns, const FormatterAttrs *attrs);
void finish_pending_string();
void print_spaces();
static std::string escape_xml_str(const char *str);
void get_attrs_str(const FormatterAttrs *attrs, std::string& attrs_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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