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/* libstocks - Library to get current stock quotes from Yahoo Finance
*
* Copyright (C) 2000 Eric Laeuffer
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __STOCKS_H__
#define __STOCKS_H__
/* Defines for prototypes */
#ifndef __LISTS_C__
#define _LISTS_C_EXT extern
#else
#define _LISTS_C_EXT
#endif /* __LISTS_C__ */
#ifndef __STOCKS_C__
#define _STOCKS_C_EXT extern
#else
#define _STOCKS_C_EXT
#endif /* __STOCKS_C__ */
#ifndef __HTTP_C__
#define _HTTP_C_EXT extern
#else
#define _HTTP_C_EXT
#endif /* __HTTP_C__ */
#ifndef __CURRENCY_C__
#define _CURRENCY_C_EXT extern
#else
#define _CURRENCY_C_EXT
#endif /* __CURRENCY_C__ */
#ifndef __HISTORY_C__
#define _HISTORY_C_EXT extern
#else
#define _HISTORY_C_EXT
#endif /* __HISTORY_C__ */
typedef struct stockstruct stock;
struct stockstruct {
char *Symbol;
char *Name;
char *Time;
char *Date;
float CurrentPrice;
float LastPrice;
float OpenPrice;
float MinPrice;
float MaxPrice;
float Variation;
float Pourcentage;
int Volume;
stock *PreviousStock;
stock *NextStock;
};
/* Errors generates by the library */
typedef enum {
NOERR = 0, /* No error */
ERRHOST = 1, /* No such host */
ERRSOCK = 2, /* Can't create socket */
ERRCONN = 3, /* Can't connect to host */
ERRWHEA = 4, /* Write error on socket while writing */
ERRRHEA = 5, /* Cannot find header in http response */
ERRPAHD = 7, /* Invalid answer from data server */
ERRPCSV = 8, /* Error in parsing csv file */
ERRPROX = 20, /* Bad proxy url */
ERRDATE = 30, /* Bad date format */
ERRDATA = 40, /* No data available */
ERRRANG = 50 /* No prices for this date range */
} libstocks_return_code;
_LISTS_C_EXT stock *next_stock(stock *);
_LISTS_C_EXT stock *previous_stock(stock *);
_LISTS_C_EXT void free_stocks(stock *);
_LISTS_C_EXT stock *find_stock(stock *stocks, char *);
_STOCKS_C_EXT libstocks_return_code get_stocks(const char *, stock **);
_HTTP_C_EXT libstocks_return_code set_proxy(char *);
_CURRENCY_C_EXT libstocks_return_code get_currency_exchange(char *,
char *,
float *);
_HISTORY_C_EXT libstocks_return_code get_history_csv(char *,
char *,
char *,
char **);
_HISTORY_C_EXT libstocks_return_code get_stock_history(char *,
char *,
char *,
stock **);
#endif /* __STOCKS_H__ */
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