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/*=============================================================================
Copyright (c) 2017 Daniel James
Use, modification and distribution is subject to the Boost Software
License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
http://www.boost.org/LICENSE_1_0.txt)
=============================================================================*/
#if !defined(BOOST_QUICKBOOK_XML_PARSE_HPP)
#define BOOST_QUICKBOOK_XML_PARSE_HPP
#include <list>
#include <string>
#include "string_view.hpp"
#include "tree.hpp"
namespace quickbook
{
namespace detail
{
struct xml_element;
typedef tree<xml_element> xml_tree;
typedef tree_builder<xml_element> xml_tree_builder;
struct xml_parse_error;
struct xml_element : tree_node<xml_element>
{
enum element_type
{
element_node,
element_text,
element_html
} type_;
std::string name_;
private:
std::list<std::pair<std::string, std::string> > attributes_;
public:
std::string contents_;
explicit xml_element(element_type n) : type_(n) {}
explicit xml_element(element_type n, quickbook::string_view name)
: type_(n), name_(name.begin(), name.end())
{
}
static xml_element* text_node(quickbook::string_view x)
{
xml_element* n = new xml_element(element_text);
n->contents_.assign(x.begin(), x.end());
return n;
}
static xml_element* html_node(quickbook::string_view x)
{
xml_element* n = new xml_element(element_html);
n->contents_.assign(x.begin(), x.end());
return n;
}
static xml_element* node(quickbook::string_view x)
{
return new xml_element(element_node, x);
}
bool has_attribute(quickbook::string_view name)
{
for (auto it = attributes_.begin(), end = attributes_.end();
it != end; ++it) {
if (name == it->first) {
return true;
}
}
return false;
}
string_view get_attribute(quickbook::string_view name)
{
for (auto it = attributes_.begin(), end = attributes_.end();
it != end; ++it) {
if (name == it->first) {
return it->second;
}
}
return string_view();
}
string_view set_attribute(
quickbook::string_view name, quickbook::string_view value)
{
for (auto it = attributes_.begin(), end = attributes_.end();
it != end; ++it) {
if (name == it->first) {
it->second.assign(value.begin(), value.end());
return it->second;
}
}
attributes_.push_back(
std::make_pair(name.to_s(), value.to_s()));
return attributes_.back().second;
}
xml_element* get_child(quickbook::string_view name)
{
for (auto it = children(); it; it = it->next()) {
if (it->type_ == element_node && it->name_ == name) {
return it;
}
}
return 0;
}
};
struct xml_parse_error
{
char const* message;
string_iterator pos;
xml_parse_error(char const* m, string_iterator p)
: message(m), pos(p)
{
}
};
void write_xml_tree(xml_element*);
xml_tree xml_parse(quickbook::string_view);
}
}
#endif
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