#ifndef LIBMWEREADER_MWEPARSER_H
#define LIBMWEREADER_MWEPARSER_H
#include <libcorpus2/io/reader.h>
#include <libcorpus2/io/sax.h>
#include <boost/unordered_map.hpp>
#include <libwccl/parser/Parser.h>
#include "mwe.h"
namespace Corpus2 {
class MWEBuilder
{
public:
MWEBuilder(const Tagset& tagset);
private:
typedef boost::unordered_map<std::string, std::string> value_type;
const Tagset& tagset_;
/// str -> ptr to ccl operator
value_type main_conditions_;
/// str -> ptr to ccl operator
value_type head_conditions_;
Wccl::Parser parser_;
};
class MWEParser : public BasicSaxParser
{
public:
MWEParser(MWEIndex &index);
~MWEParser();
protected:
void create_mwe();
typedef std::map<std::string, std::string> str_map;
void on_start_element(const Glib::ustring &name,
const AttributeList& attributes);
void on_end_element(const Glib::ustring &name);
std::string finish_get_text();
void print_current_mwe(bool with_condition = false,
std::ostream& out = std::cout);
/// retrives tagset= attribute
std::string get_attribute(const AttributeList& attributes,
const std::string &name) const;
void parse_mwegroup_attributes(const AttributeList& attributes);
/// tagset name used in wccl operators
std::string tagset_;
enum States{NONE, // not started
UNITSDESC, // in <units_description
MWEGROUP, // in <mwegroup>
CONDITION, // in <condition>
INSTANCES, // <instances>
MWE, // start of MWE, <MWE>
VAR, // <var> of <MWE>
HEAD, // <head> condition of MWE
};
States state_;
str_map variables_; // name -> val
std::string wccl_operator_;
std::string mwe_base_;
std::string var_name_;
std::string group_name_;
std::string group_type_;
std::string group_class_;
std::string head_cond_;
MWEIndex &mwe_index_;
boost::shared_ptr<MWEBuilder> mwe_builder_;
};
} // ns Corpus2
#endif // LIBMWEREADER_MWEPARSER_H