| 1 | /* UI_FILE - a generic STDIO like output stream. |
| 2 | Copyright (C) 1999, 2000, 2007, 2008 Free Software Foundation, Inc. |
| 3 | |
| 4 | This file is part of GDB. |
| 5 | |
| 6 | This program is free software; you can redistribute it and/or modify |
| 7 | it under the terms of the GNU General Public License as published by |
| 8 | the Free Software Foundation; either version 3 of the License, or |
| 9 | (at your option) any later version. |
| 10 | |
| 11 | This program is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | GNU General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU General Public License |
| 17 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 18 | |
| 19 | #ifndef UI_FILE_H |
| 20 | #define UI_FILE_H |
| 21 | |
| 22 | struct ui_file; |
| 23 | |
| 24 | /* Create a generic ui_file object with null methods. */ |
| 25 | |
| 26 | extern struct ui_file *ui_file_new (void); |
| 27 | |
| 28 | /* Override methods used by specific implementations of a UI_FILE |
| 29 | object. */ |
| 30 | |
| 31 | typedef void (ui_file_flush_ftype) (struct ui_file * stream); |
| 32 | extern void set_ui_file_flush (struct ui_file *stream, ui_file_flush_ftype * flush); |
| 33 | |
| 34 | /* NOTE: Both fputs and write methods are available. Default |
| 35 | implementations that mapping one onto the other are included. */ |
| 36 | typedef void (ui_file_write_ftype) (struct ui_file * stream, const char *buf, long length_buf); |
| 37 | extern void set_ui_file_write (struct ui_file *stream, ui_file_write_ftype *fputs); |
| 38 | |
| 39 | typedef void (ui_file_fputs_ftype) (const char *, struct ui_file * stream); |
| 40 | extern void set_ui_file_fputs (struct ui_file *stream, ui_file_fputs_ftype * fputs); |
| 41 | |
| 42 | typedef long (ui_file_read_ftype) (struct ui_file * stream, char *buf, long length_buf); |
| 43 | extern void set_ui_file_read (struct ui_file *stream, ui_file_read_ftype *fread); |
| 44 | |
| 45 | typedef int (ui_file_isatty_ftype) (struct ui_file * stream); |
| 46 | extern void set_ui_file_isatty (struct ui_file *stream, ui_file_isatty_ftype * isatty); |
| 47 | |
| 48 | typedef void (ui_file_rewind_ftype) (struct ui_file * stream); |
| 49 | extern void set_ui_file_rewind (struct ui_file *stream, ui_file_rewind_ftype * rewind); |
| 50 | |
| 51 | typedef void (ui_file_put_method_ftype) (void *object, const char *buffer, long length_buffer); |
| 52 | typedef void (ui_file_put_ftype) (struct ui_file *stream, ui_file_put_method_ftype * method, void *context); |
| 53 | extern void set_ui_file_put (struct ui_file *stream, ui_file_put_ftype * put); |
| 54 | |
| 55 | typedef void (ui_file_delete_ftype) (struct ui_file * stream); |
| 56 | extern void set_ui_file_data (struct ui_file *stream, void *data, ui_file_delete_ftype * delete); |
| 57 | |
| 58 | extern void *ui_file_data (struct ui_file *file); |
| 59 | |
| 60 | |
| 61 | extern void gdb_flush (struct ui_file *); |
| 62 | |
| 63 | extern void ui_file_delete (struct ui_file *stream); |
| 64 | |
| 65 | extern void ui_file_rewind (struct ui_file *stream); |
| 66 | |
| 67 | extern int ui_file_isatty (struct ui_file *); |
| 68 | |
| 69 | extern void ui_file_write (struct ui_file *file, const char *buf, long length_buf); |
| 70 | |
| 71 | /* NOTE: copies left to right */ |
| 72 | extern void ui_file_put (struct ui_file *src, ui_file_put_method_ftype *write, void *dest); |
| 73 | |
| 74 | /* Returns a freshly allocated buffer containing the entire contents |
| 75 | of FILE (as determined by ui_file_put()) with a NUL character |
| 76 | appended. LENGTH is set to the size of the buffer minus that |
| 77 | appended NUL. */ |
| 78 | extern char *ui_file_xstrdup (struct ui_file *file, long *length); |
| 79 | |
| 80 | |
| 81 | |
| 82 | extern long ui_file_read (struct ui_file *file, char *buf, long length_buf); |
| 83 | |
| 84 | /* Create/open a memory based file. Can be used as a scratch buffer |
| 85 | for collecting output. */ |
| 86 | extern struct ui_file *mem_fileopen (void); |
| 87 | |
| 88 | |
| 89 | |
| 90 | /* Open/create a an STDIO based UI_FILE using the already open FILE. */ |
| 91 | extern struct ui_file *stdio_fileopen (FILE *file); |
| 92 | |
| 93 | /* Open NAME returning an STDIO based UI_FILE. */ |
| 94 | extern struct ui_file *gdb_fopen (char *name, char *mode); |
| 95 | |
| 96 | /* Create a file which writes to both ONE and TWO. CLOSE_ONE |
| 97 | and CLOSE_TWO indicate whether the original files should be |
| 98 | closed when the new file is closed. */ |
| 99 | struct ui_file *tee_file_new (struct ui_file *one, |
| 100 | int close_one, |
| 101 | struct ui_file *two, |
| 102 | int close_two); |
| 103 | #endif |