xmpp_stanza.cpp 2.99 KB
Newer Older
1 2 3 4
#include <xmpp/xmpp_stanza.hpp>

#include <iostream>

louiz’'s avatar
louiz’ committed
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
std::string xml_escape(const std::string& data)
{
  std::string res;
  buffer.reserve(data.size());
  for(size_t pos = 0; pos != data.size(); ++pos)
    {
      switch(data[pos])
        {
        case '&':  buffer += "&amp;";       break;
        case '\"': buffer += "&quot;";      break;
        case '\'': buffer += "&apos;";      break;
        case '<':  buffer += "&lt;";        break;
        case '>':  buffer += "&gt;";        break;
        default:   buffer += data[pos]; break;
        }
    }
  return buffer;
}


25 26 27 28 29 30 31 32 33 34 35 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
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
63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78
  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;
79 80 81 82 83 84 85 86 87 88 89 90 91 92 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
}

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];
}