xmpp_stanza.cpp 3.08 KB
Newer Older
1 2
#include <xmpp/xmpp_stanza.hpp>

louiz’'s avatar
louiz’ committed
3 4
#include <utils/encoding.hpp>

5 6
#include <iostream>

louiz’'s avatar
louiz’ committed
7 8 9
std::string xml_escape(const std::string& data)
{
  std::string res;
louiz’'s avatar
louiz’ committed
10 11
  res.reserve(data.size());
  for (size_t pos = 0; pos != data.size(); ++pos)
louiz’'s avatar
louiz’ committed
12 13 14
    {
      switch(data[pos])
        {
louiz’'s avatar
louiz’ committed
15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
        case '&':
          res += "&amp;";
          break;
        case '<':
          res += "&lt;";
          break;
        case '>':
          res += "&gt;";
          break;
        case '\"':
          res += "&quot;";
          break;
        case '\'':
          res += "&apos;";
          break;
        default:
          res += data[pos];
          break;
louiz’'s avatar
louiz’ committed
33 34
        }
    }
louiz’'s avatar
louiz’ committed
35
  return res;
louiz’'s avatar
louiz’ committed
36 37 38
}


39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76
XmlNode::XmlNode(const std::string& name, XmlNode* parent):
  name(name),
  parent(parent),
  closed(false)
{
}

XmlNode::XmlNode(const std::string& name):
  XmlNode(name, nullptr)
{
}

XmlNode::~XmlNode()
{
  this->delete_all_children();
}

void XmlNode::delete_all_children()
{
  for (auto& child: this->children)
    {
      delete child;
    }
  this->children.clear();
}

void XmlNode::set_attribute(const std::string& name, const std::string& value)
{
  this->attributes[name] = value;
}

void XmlNode::set_tail(const std::string& data)
{
  this->tail = data;
}

void XmlNode::set_inner(const std::string& data)
{
louiz’'s avatar
louiz’ committed
77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92
  this->inner = xml_escape(data);
}

std::string XmlNode::get_inner() const
{
  return this->inner;
}

XmlNode* XmlNode::get_child(const std::string& name) const
{
  for (auto& child: this->children)
    {
      if (child->name == name)
        return child;
    }
  return nullptr;
93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176
}

void XmlNode::add_child(XmlNode* child)
{
  this->children.push_back(child);
}

void XmlNode::add_child(XmlNode&& child)
{
  XmlNode* new_node = new XmlNode(std::move(child));
  this->add_child(new_node);
}

XmlNode* XmlNode::get_last_child() const
{
  return this->children.back();
}

void XmlNode::close()
{
  if (this->closed)
    throw std::runtime_error("Closing an already closed XmlNode");
  this->closed = true;
}

XmlNode* XmlNode::get_parent() const
{
  return this->parent;
}

const std::string& XmlNode::get_name() const
{
  return this->name;
}

std::string XmlNode::to_string() const
{
  std::string res("<");
  res += this->name;
  for (const auto& it: this->attributes)
    res += " " + it.first + "='" + it.second + "'";
  if (this->closed && !this->has_children() && this->inner.empty())
    res += "/>";
  else
    {
      res += ">" + this->inner;
      for (const auto& child: this->children)
        res += child->to_string();
      if (this->closed)
        {
          res += "</" + this->name + ">";
        }
    }
  res += this->tail;
  return res;
}

void XmlNode::display() const
{
  std::cout << this->to_string() << std::endl;
}

bool XmlNode::has_children() const
{
  return !this->children.empty();
}

const std::string& XmlNode::operator[](const std::string& name) const
{
  try
    {
      const auto& value = this->attributes.at(name);
      return value;
    }
  catch (const std::out_of_range& e)
    {
      throw AttributeNotFound();
    }
}

std::string& XmlNode::operator[](const std::string& name)
{
  return this->attributes[name];
}