diff options
Diffstat (limited to 'mixlib')
| -rw-r--r-- | mixlib/mix_src_file.c | 109 | ||||
| -rw-r--r-- | mixlib/mix_src_file.h | 57 |
2 files changed, 166 insertions, 0 deletions
diff --git a/mixlib/mix_src_file.c b/mixlib/mix_src_file.c new file mode 100644 index 0000000..b8c4356 --- /dev/null +++ b/mixlib/mix_src_file.c @@ -0,0 +1,109 @@ +/* -*-c-*- -------------- mix_src_file.c : + * Implementation of the functions declared in mix_src_file.h + * ------------------------------------------------------------------ + * Last change: Time-stamp: "00/12/16 16:41:46 jose" + * ------------------------------------------------------------------ + * Copyright (C) 2000 jose antonio ortega ruiz <jaortega@acm.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + */ + + +#include "mix_src_file.h" + +/* the MIXAL source file type */ +struct mix_src_file_t +{ + gchar *path; /* the path to the disk file */ + GPtrArray *lines; /* an array of the file lines */ + guint lineno; /* the number of lines */ +}; + + +/* create a new src file from an existing disk file */ +mix_src_file_t * +mix_src_file_new_for_read (const gchar *path) +{ + mix_file_t *file = mix_file_new_with_def_ext (path, + mix_io_READ, + MIX_SRC_DEFEXT); + if (file == NULL) + return NULL; + else + { + mix_src_file_t *result = g_new (mix_src_file_t, 1); + FILE *f = mix_file_to_FILE (file); + result->lines = g_prt_array_new (); + result->path = path; + result->lineno = 0; + + ssize_t s = 0; + gchar *newline = NULL; + size_t a = 0; + + while (s != -1) + { + s = getline (&newline, &a, f); + if (s>0) + { + g_ptr_array_add (result->lines, (gpointer) newline); + result->lineno++; + } + newline = NULL; + a = 0; + } + + mix_file_delete (file); + return result; + } +} + +/* destroy a src file object */ +void +mix_src_file_delete (mix_src_file_t *src) +{ + g_return_val_if_fail (src != NULL, NULL); + g_ptr_array_free (src->lines); + g_free (src); +} + +/* get the source file path */ +const gchar * +mix_src_file_get_path (const mix_src_file_t *src) +{ + g_return_val_if_fail (src != NULL, NULL); + return src->path; +} + +/* get a given line of the source file */ +const gchar * +mix_src_file_get_line (const mix_src_file_t *src, guint lineno) +{ + g_return_val_if_fail (src != NULL, NULL); + if (lineno > src->lineo || lineno == 0) + return NULL; + else + return (gchar *)g_prt_array_index (src->lines, lineno - 1); +} + +/* get the total no. of lines in the file */ +guint +mix_src_file_get_line_no (const mix_src_file_t *src) +{ + g_return_val_if_fail (src != NULL, NULL); + return src->lineno; +} + diff --git a/mixlib/mix_src_file.h b/mixlib/mix_src_file.h new file mode 100644 index 0000000..8f46111 --- /dev/null +++ b/mixlib/mix_src_file.h @@ -0,0 +1,57 @@ +/* -*-c-*- ---------------- mix_src_file.h : + * Declaration of mix_src_file_t, a type representing a MIXAL source + * file. + * ------------------------------------------------------------------ + * Last change: Time-stamp: <00/12/16 15:06:57 jose> + * ------------------------------------------------------------------ + * Copyright (C) 2000 jose antonio ortega ruiz <jaortega@acm.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + */ + + +#ifndef MIX_SRC_FILE_H +#define MIX_SRC_FILE_H + +#include "mix_file.h" + +/* the MIXAL source file type */ +typedef struct mix_src_file_t mix_src_file_t; + +/* create a new src file from an existing disk file */ +extern mix_src_file_t * +mix_src_file_new_for_read (const gchar *path); + +/* destroy a src file object */ +extern void +mix_src_file_delete (mix_src_file_t *src); + +/* get the source file path */ +extern const gchar * +mix_src_file_get_path (const mix_src_file_t *src); + +/* get a given line of the source file */ +extern const gchar * +mix_src_file_get_line (const mix_src_file_t *src, guint lineno); + +/* get the total no. of lines in the file */ +extern guint +mix_src_file_get_line_no (const mix_src_file_t *src); + + + +#endif /* MIX_SRC_FILE_H */ + |