--- /dev/null
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+#ifndef CEPH_FORMATTER_H
+#define CEPH_FORMATTER_H
+
+#include "include/int_types.h"
+#include "include/buffer_fwd.h"
+
+#include <deque>
+#include <list>
+#include <vector>
+#include <stdarg.h>
+#include <sstream>
+#include <map>
+
+namespace ceph {
+
+ struct FormatterAttrs {
+ std::list< std::pair<std::string, std::string> > attrs;
+
+ FormatterAttrs(const char *attr, ...);
+ };
+
+ class Formatter {
+ public:
+ static Formatter *create(const std::string& type,
+ const std::string& default_type,
+ const std::string& fallback);
+ static Formatter *create(const std::string& type,
+ const std::string& default_type) {
+ return create(type, default_type, "");
+ }
+ static Formatter *create(const std::string& type) {
+ return create(type, "json-pretty", "");
+ }
+
+ Formatter();
+ virtual ~Formatter();
+
+ virtual void enable_line_break() = 0;
+ virtual void flush(std::ostream& os) = 0;
+ void flush(bufferlist &bl);
+ virtual void reset() = 0;
+
+ virtual void set_status(int status, const char* status_name) = 0;
+ virtual void output_header() = 0;
+ virtual void output_footer() = 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, const std::string& s) = 0;
+ virtual void dump_bool(const char *name, bool b)
+ {
+ dump_format_unquoted(name, "%s", (b ? "true" : "false"));
+ }
+ template<typename T>
+ void dump_object(const char *name, const T& foo) {
+ open_object_section(name);
+ foo.dump(this);
+ close_section();
+ }
+ virtual std::ostream& dump_stream(const char *name) = 0;
+ virtual void dump_format_va(const char *name, const char *ns, bool quoted, const char *fmt, va_list ap) = 0;
+ virtual void dump_format(const char *name, const char *fmt, ...);
+ virtual void dump_format_ns(const char *name, const char *ns, const char *fmt, ...);
+ virtual void dump_format_unquoted(const char *name, const char *fmt, ...);
+ 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, const std::string& s, const FormatterAttrs& attrs)
+ {
+ dump_string(name, s);
+ }
+ };
+
+ class JSONFormatter : public Formatter {
+ public:
+ explicit JSONFormatter(bool p = false);
+
+ void set_status(int status, const char* status_name) override {};
+ void output_header() override {};
+ void output_footer() override {};
+ void enable_line_break() override { m_line_break_enabled = true; }
+ void flush(std::ostream& os) override;
+ using Formatter::flush; // don't hide Formatter::flush(bufferlist &bl)
+ void reset() override;
+ void open_array_section(const char *name) override;
+ void open_array_section_in_ns(const char *name, const char *ns) override;
+ void open_object_section(const char *name) override;
+ void open_object_section_in_ns(const char *name, const char *ns) override;
+ void close_section() override;
+ void dump_unsigned(const char *name, uint64_t u) override;
+ void dump_int(const char *name, int64_t u) override;
+ void dump_float(const char *name, double d) override;
+ void dump_string(const char *name, const std::string& s) override;
+ std::ostream& dump_stream(const char *name) override;
+ void dump_format_va(const char *name, const char *ns, bool quoted, const char *fmt, va_list ap) override;
+ int get_len() const override;
+ void write_raw_data(const char *data) override;
+
+ 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 std::string& 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;
+ bool m_line_break_enabled = false;
+ };
+
+ class XMLFormatter : public Formatter {
+ public:
+ static const char *XML_1_DTD;
+ XMLFormatter(bool pretty = false, bool lowercased = false, bool underscored = true);
+
+ void set_status(int status, const char* status_name) override {}
+ void output_header() override;
+ void output_footer() override;
+
+ void enable_line_break() override { m_line_break_enabled = true; }
+ void flush(std::ostream& os) override;
+ using Formatter::flush; // don't hide Formatter::flush(bufferlist &bl)
+ void reset() override;
+ void open_array_section(const char *name) override;
+ void open_array_section_in_ns(const char *name, const char *ns) override;
+ void open_object_section(const char *name) override;
+ void open_object_section_in_ns(const char *name, const char *ns) override;
+ void close_section() override;
+ void dump_unsigned(const char *name, uint64_t u) override;
+ void dump_int(const char *name, int64_t u) override;
+ void dump_float(const char *name, double d) override;
+ void dump_string(const char *name, const std::string& s) override;
+ std::ostream& dump_stream(const char *name) override;
+ void dump_format_va(const char *name, const char *ns, bool quoted, const char *fmt, va_list ap) override;
+ int get_len() const override;
+ void write_raw_data(const char *data) override;
+
+ /* with attrs */
+ void open_array_section_with_attrs(const char *name, const FormatterAttrs& attrs) override;
+ void open_object_section_with_attrs(const char *name, const FormatterAttrs& attrs) override;
+ void dump_string_with_attrs(const char *name, const std::string& s, const FormatterAttrs& attrs) override;
+
+ protected:
+ 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);
+ char to_lower_underscore(char c) const;
+
+ std::stringstream m_ss, m_pending_string;
+ std::deque<std::string> m_sections;
+ const bool m_pretty;
+ const bool m_lowercased;
+ const bool m_underscored;
+ std::string m_pending_string_name;
+ bool m_header_done;
+ bool m_line_break_enabled = false;
+ };
+
+ class TableFormatter : public Formatter {
+ public:
+ explicit TableFormatter(bool keyval = false);
+
+ void set_status(int status, const char* status_name) override {};
+ void output_header() override {};
+ void output_footer() override {};
+ void enable_line_break() override {};
+ void flush(std::ostream& os) override;
+ using Formatter::flush; // don't hide Formatter::flush(bufferlist &bl)
+ void reset() override;
+ void open_array_section(const char *name) override;
+ void open_array_section_in_ns(const char *name, const char *ns) override;
+ void open_object_section(const char *name) override;
+ void open_object_section_in_ns(const char *name, const char *ns) override;
+
+ void open_array_section_with_attrs(const char *name, const FormatterAttrs& attrs) override;
+ void open_object_section_with_attrs(const char *name, const FormatterAttrs& attrs) override;
+
+ void close_section() override;
+ void dump_unsigned(const char *name, uint64_t u) override;
+ void dump_int(const char *name, int64_t u) override;
+ void dump_float(const char *name, double d) override;
+ void dump_string(const char *name, const std::string& s) override;
+ void dump_format_va(const char *name, const char *ns, bool quoted, const char *fmt, va_list ap) override;
+ void dump_string_with_attrs(const char *name, const std::string& s, const FormatterAttrs& attrs) override;
+ std::ostream& dump_stream(const char *name) override;
+
+ int get_len() const override;
+ void write_raw_data(const char *data) override;
+ void get_attrs_str(const FormatterAttrs *attrs, std::string& attrs_str);
+
+ private:
+ void open_section_in_ns(const char *name, const char *ns, const FormatterAttrs *attrs);
+ std::vector< std::vector<std::pair<std::string, std::string> > > m_vec;
+ std::stringstream m_ss;
+ size_t m_vec_index(const char* name);
+ std::string get_section_name(const char* name);
+ void finish_pending_string();
+ std::string m_pending_name;
+ bool m_keyval;
+
+ int m_section_open;
+ std::vector< std::string > m_section;
+ std::map<std::string, int> m_section_cnt;
+ std::vector<size_t> m_column_size;
+ std::vector< std::string > m_column_name;
+ };
+
+
+}
+#endif
Code Review / stor4nfv.git / blobdiff