/* File : swish_e.c */
 
#include <string>
#include <vector>
#include <stdio.h>
 
extern "C" {
  // http://www.swish-e.org/current/docs/SWISH-LIBRARY.html
  void *SwishInit(const char* file);
  void *SwishError(void *handle);
  void SwishClose(void *handle);
  void *SwishNext(void *handle);
  void *SwishSeek(void *handle,int);
  int   SwishSearch(void *handle,const char *,int,void *,void *);
  char *SwishResultPropertyStr(void *handle, void *result, char *property);
  char *SwishErrorString(void *handle);
}

vector<string> search(string index, string query) {
  vector<string> result;

  void *handle=SwishInit(index.c_str());
  if (SwishError(handle)) {
    fprintf(stderr, "Failed to connect.  %s\n", SwishErrorString(handle));
  } else { 
    void *match;
    SwishSearch(handle, query.c_str(), 1, NULL, NULL);
    while ((match=SwishNext(handle))) {
      result.push_back(SwishResultPropertyStr(handle, match, "swishdocpath"));
    }
    SwishClose(handle);
  }

  return result;
}