pico_ql.h

/*
 *   Declare the piblic interface to pico_ql.
 *
 *   Copyright 2016 Marios Fragkoulis
 *
 *   Licensed under the Apache License, Version 2.0
 *   (the "License");you may not use this file except in
 *   compliance with the License.
 *   You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *   Unless required by applicable law or agreed to in
 *   writing, software distributed under the License is
 *   distributed on an "AS IS" BASIS,
 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
 *   express or implied.
 *   See the License for the specific language governing
 *   permissions and limitations under the License.
 */

#ifndef PICO_QL_H
#define PICO_QL_H

#include <stdio.h>

#ifndef PICO_QL_SINGLE_THREADED
#include <pthread.h>
#endif

#include "sqlite3.h"

#ifdef __cplusplus
#define pico_ql_name(x) x
#else
#define pico_ql_name(x) pico_ql_## x
#endif

#ifdef __cplusplus

#include <string>
#include <sstream>
using namespace std;

namespace picoQL {
  int exec_query(const char *query, stringstream &s,
  			 int (*callback)(sqlite3 *, sqlite3_stmt *, stringstream &));
  int step_mute(sqlite3 *db, sqlite3_stmt *stmt, stringstream &s);
  int step_text(sqlite3 *db, sqlite3_stmt *stmt, stringstream &s);
  int step_swill_html(sqlite3 *db, sqlite3_stmt *stmt, stringstream &s);
  int step_swill_json(sqlite3 *db, sqlite3_stmt *stmt, stringstream &s);
  extern "C" {
#endif
  int pico_ql_exec_query(const char *query, FILE *f,
  			 int (*callback)(sqlite3 *db, sqlite3_stmt *, FILE *));
  int pico_ql_step_mute(sqlite3 *db, sqlite3_stmt *stmt, FILE *f);
  int pico_ql_step_text(sqlite3 *db, sqlite3_stmt *stmt, FILE *f);
  int pico_ql_step_swill_html(sqlite3 *db, sqlite3_stmt *stmt, FILE *f);
  int pico_ql_step_swill_json(sqlite3 *db, sqlite3_stmt *stmt, FILE *f);

  void pico_ql_name(register_data)(const void *collection, const char * col_name);
#ifdef PICO_QL_SINGLE_THREADED
  int pico_ql_name(init)(const char** pragmas, int npragmas, int port_number);
#else
  int pico_ql_name(init)(const char** pragmas, int npragmas, int port_number,
		  pthread_t *t);
#endif
  int pico_ql_name(shutdown)();
  int pico_ql_name(interrupt)();
  int pico_ql_name(progress)(int n, int (*callback)(void *p), void *p);

  int pico_ql_name(create_function)(const char *name, int argc, int text_rep, void *p,
		  void (*xFunc)(sqlite3_context*,int,sqlite3_value**),
		  void (*xStep)(sqlite3_context*,int,sqlite3_value**),
		  void (*xFinal)(sqlite3_context*));

  int exec_tests();      /* The C/C++ interface for running tests. */

#ifdef __cplusplus
  }
}
#endif

#endif