ceph/src/common/HTMLFormatter.cc

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2 // vim: ts=8 sw=2 smarttab
   3 /*
   4  * Ceph - scalable distributed file system
   5  *
   6  * Copyright (C) 2011 New Dream Network
   7  *
   8  * This is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License version 2.1, as published by the Free Software
  11  * Foundation.  See file COPYING.
  12  *
  13  */
  14
  15 #define LARGE_SIZE 1024
  16
  17 #include "HTMLFormatter.h"
  18 #include "Formatter.h"
  19
  20 #include <sstream>
  21 #include <stdarg.h>
  22 #include <stdio.h>
  23 #include <stdlib.h>
  24 #include <string>
  25 #include <string.h>     // for strdup
  26
  27 // -----------------------
  28 namespace ceph {
  29
  30 HTMLFormatter::HTMLFormatter(bool pretty)
  31 : XMLFormatter(pretty), m_status(0), m_status_name(NULL)
  32 {
  33 }
  34
  35 HTMLFormatter::~HTMLFormatter()
  36 {
  37   if (m_status_name) {
  38     free((void*)m_status_name);
  39     m_status_name = NULL;
  40   }
  41 }
  42
  43 void HTMLFormatter::reset()
  44 {
  45   XMLFormatter::reset();
  46   m_header_done = false;
  47   m_status = 0;
  48   if (m_status_name) {
  49     free((void*)m_status_name);
  50     m_status_name = NULL;
  51   }
  52 }
  53
  54 void HTMLFormatter::set_status(int status, const char* status_name)
  55 {
  56   m_status = status;
  57   if (status_name) {
  58     m_status_name = strdup(status_name);
  59   }
  60 };
  61
  62 void HTMLFormatter::output_header() {
  63   if (!m_header_done) {
  64     m_header_done = true;
  65     char buf[16];
  66     snprintf(buf, sizeof(buf), "%d", m_status);
  67     std::string status_line(buf);
  68     if (m_status_name) {
  69       status_line += " ";
  70       status_line += m_status_name;
  71     }
  72     open_object_section("html");
  73     print_spaces();
  74     m_ss << "<head><title>" << status_line << "</title></head>";
  75     if (m_pretty)
  76       m_ss << "\n";
  77     open_object_section("body");
  78     print_spaces();
  79     m_ss << "<h1>" << status_line << "</h1>";
  80     if (m_pretty)
  81       m_ss << "\n";
  82     open_object_section("ul");
  83   }
  84 }
  85
  86 template <typename T>
  87 void HTMLFormatter::dump_template(const char *name, T arg)
  88 {
  89   print_spaces();
  90   m_ss << "<li>" << name << ": " << arg << "</li>";
  91   if (m_pretty)
  92     m_ss << "\n";
  93 }
  94
  95 void HTMLFormatter::dump_unsigned(const char *name, uint64_t u)
  96 {
  97   dump_template(name, u);
  98 }
  99
 100 void HTMLFormatter::dump_int(const char *name, int64_t u)
 101 {
 102   dump_template(name, u);
 103 }
 104
 105 void HTMLFormatter::dump_float(const char *name, double d)
 106 {
 107   dump_template(name, d);
 108 }
 109
 110 void HTMLFormatter::dump_string(const char *name, boost::string_view s)
 111 {
 112   dump_template(name, escape_xml_str(s.data()));
 113 }
 114
 115 void HTMLFormatter::dump_string_with_attrs(const char *name, boost::string_view s, const FormatterAttrs& attrs)
 116 {
 117   std::string e(name);
 118   std::string attrs_str;
 119   get_attrs_str(&attrs, attrs_str);
 120   print_spaces();
 121   m_ss << "<li>" << e << ": " << escape_xml_str(s.data()) << attrs_str << "</li>";
 122   if (m_pretty)
 123     m_ss << "\n";
 124 }
 125
 126 std::ostream& HTMLFormatter::dump_stream(const char *name)
 127 {
 128   print_spaces();
 129   m_pending_string_name = "li";
 130   m_ss << "<li>" << name << ": ";
 131   return m_pending_string;
 132 }
 133
 134 void HTMLFormatter::dump_format_va(const char* name, const char *ns, bool quoted, const char *fmt, va_list ap)
 135 {
 136   char buf[LARGE_SIZE];
 137   vsnprintf(buf, LARGE_SIZE, fmt, ap);
 138
 139   std::string e(name);
 140   print_spaces();
 141   if (ns) {
 142     m_ss << "<li xmlns=\"" << ns << "\">" << e << ": " << escape_xml_str(buf) << "</li>";
 143   } else {
 144     m_ss << "<li>" << e << ": " << escape_xml_str(buf) << "</li>";
 145   }
 146
 147   if (m_pretty)
 148     m_ss << "\n";
 149 }
 150
 151 } // namespace ceph