The R Project SVN R

Rev

Rev 61527 | Rev 70014 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 61527 Rev 62016
Line 1... Line 1...
1 
/*
 1 
/*
2 
 *  R : A Computer Language for Statistical Data Analysis
 2 
 *  R : A Computer Language for Statistical Data Analysis
3 
 *  Copyright (C) 2000-2012   The R Core Team.
 3 
 *  Copyright (C) 2000-2013   The R Core Team.
4 
 *
 4 
 *
5 
 *  This program is free software; you can redistribute it and/or modify
 5 
 *  This program is free software; you can redistribute it and/or modify
6 
 *  it under the terms of the GNU General Public License as published by
 6 
 *  it under the terms of the GNU General Public License as published by
7 
 *  the Free Software Foundation; either version 2 of the License, or
 7 
 *  the Free Software Foundation; either version 2 of the License, or
8 
 *  (at your option) any later version.
 8 
 *  (at your option) any later version.
Line 15... Line 15...
15 
 *  You should have received a copy of the GNU General Public License
 15 
 *  You should have received a copy of the GNU General Public License
16 
 *  along with this program; if not, a copy is available at
 16 
 *  along with this program; if not, a copy is available at
17 
 *  http://www.r-project.org/Licenses/
 17 
 *  http://www.r-project.org/Licenses/
18 
 */
 18 
 */
19 
 
 19 
 
20 
#ifndef R_CONNECTIONS_H_
 20 
#ifndef R_EXT_CONNECTIONS_H_
21 
#define R_CONNECTIONS_H_
 21 
#define R_EXT_CONNECTIONS_H_
22 
#include <R_ext/Boolean.h>
 - 
 
23 
 
 22 
 
24 
/* NB: this is a private header, and not installed.  The internals of
 - 
 
25 
   connections are private and subject to change without notice. */
 23 
#include <R_ext/Boolean.h>
26 
 
 24 
 
- 
 
 25 
#ifndef NO_C_HEADERS
27 
#if defined(HAVE_OFF_T) && defined(HAVE_FSEEKO) && defined(HAVE_SYS_TYPES_H)
 26 
# include <stddef.h> /* for size_t */
28 
#include <sys/types.h>
 27 
# include <stdarg.h> /* for va_list */
29 
#endif
 28 
#endif
30 
 
 29 
 
- 
 
 30 
/* IMPORTANT: we do not expect future connection APIs to be
- 
 
 31 
   backward-compatible so if you use this, you *must* check the version
- 
 
 32 
   and proceed only if it matches what you expect
- 
 
 33 
 
- 
 
 34 
   We explicitly reserve the right to change the connection
- 
 
 35 
   implementation without a compatibility layer.
- 
 
 36 
 */
- 
 
 37 
#define R_CONNECTIONS_VERSION 1
- 
 
 38 
 
31 
/* this allows the opaque pointer definition to be made available
39 
/* this allows the opaque pointer definition to be made available
32 
   in Rinternals.h */
 40 
   in Rinternals.h */
33 
#ifndef HAVE_RCONNECTION_TYPEDEF
 41 
#ifndef HAVE_RCONNECTION_TYPEDEF
34 
typedef struct Rconn  *Rconnection;
 42 
typedef struct Rconn  *Rconnection;
35 
#endif
 43 
#endif
Line 66... Line 74...
66 
    void *ex_ptr;
 74 
    void *ex_ptr;
67 
    void *private;
 75 
    void *private;
68 
    int status; /* for pipes etc */
 76 
    int status; /* for pipes etc */
69 
};
 77 
};
70 
 
 78 
 
- 
 
 79 
#ifdef  __cplusplus
- 
 
 80 
extern "C" {
- 
 
 81 
#endif
71 
 
 82 
 
72 
typedef enum {HTTPsh, FTPsh, HTTPSsh} UrlScheme;
 - 
 
73 
 
 - 
 
74 
/* used in internet module */
 - 
 
75 
typedef struct urlconn {
 - 
 
76 
    void *ctxt;
 - 
 
77 
    UrlScheme type;
 - 
 
78 
} *Rurlconn;
 - 
 
79 
 
 - 
 
80 
/* used in internet module */
 - 
 
81 
typedef struct sockconn {
 - 
 
82 
    int port;
 - 
 
83 
    int server;
 - 
 
84 
    int fd;
 - 
 
85 
    int timeout;
 - 
 
86 
    char *host;
 - 
 
87 
    char inbuf[4096], *pstart, *pend;
 - 
 
88 
} *Rsockconn;
 - 
 
89 
 
 - 
 
90 
/* used in X11 module */
 - 
 
91 
typedef struct clpconn {
 - 
 
92 
    char *buff;
 - 
 
93 
    int pos, len, last, sizeKB;
 - 
 
94 
    Rboolean warned;
 - 
 
95 
} *Rclpconn;
 - 
 
96 
 
 - 
 
97 
#define init_con	Rf_init_con
 - 
 
98 
#define con_pushback	Rf_con_pushback
 - 
 
99 
 
 - 
 
100 
int Rconn_fgetc(Rconnection con);
 - 
 
101 
int Rconn_ungetc(int c, Rconnection con);
 - 
 
102 
int Rconn_getline(Rconnection con, char *buf, int bufsize);
 - 
 
103 
int Rconn_printf(Rconnection con, const char *format, ...);
 - 
 
104 
Rconnection getConnection(int n);
 - 
 
105 
Rconnection getConnection_no_err(int n);
 - 
 
106 
Rboolean switch_stdout(int icon, int closeOnExit);
 - 
 
107 
void init_con(Rconnection new, const char *description, int enc,
 - 
 
108 
	      const char * const mode);
 - 
 
109 
Rconnection R_newurl(const char *description, const char * const mode);
 - 
 
110 
Rconnection R_newsock(const char *host, int port, int server, const char * const mode, int timeout);
 - 
 
111 
Rconnection in_R_newsock(const char *host, int port, int server, const char *const mode, int timeout);
 83 
SEXP   R_new_custom_connection(const char *description, const char *mode, const char *class_name, Rconnection *ptr);
112 
Rconnection R_newunz(const char *description, const char * const mode);
 - 
 
113 
int dummy_fgetc(Rconnection con);
 - 
 
114 
int dummy_vfprintf(Rconnection con, const char *format, va_list ap);
 84 
size_t R_ReadConnection(Rconnection con, void *buf, size_t n);
115 
int getActiveSink(int n);
 - 
 
116 
void con_pushback(Rconnection con, Rboolean newLine, char *line);
 85 
size_t R_WriteConnection(Rconnection con, void *buf, size_t n);
117 
 
 - 
 
118 
int Rsockselect(int nsock, int *insockfd, int *ready, int *write, double timeout);
 - 
 
119 
 
 86 
 
120 
#define set_iconv Rf_set_iconv
 87 
#ifdef  __cplusplus
121 
void set_iconv(Rconnection con);
 - 
 
- 
 
 88 
}
122 
#endif
 89 
#endif
123 
 
 90 
 
- 
 
 91 
#endif