X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=src%2Fdata%2Fany-reader.c;h=50feb6892e936f4fbf9ea54d14f90707c11acf67;hb=fd67f363f5d62b390abe6817b629e8505b8bd709;hp=18a28c6d1ed14231dcb1be18c90d18c7d1dac08e;hpb=f5c108becd49d78f4898cab11352291f5689d24e;p=pspp
diff --git a/src/data/any-reader.c b/src/data/any-reader.c
index 18a28c6d1e..50feb6892e 100644
--- a/src/data/any-reader.c
+++ b/src/data/any-reader.c
@@ -1,37 +1,39 @@
-/* PSPP - computes sample statistics.
- Copyright (C) 2006 Free Software Foundation, Inc.
+/* PSPP - a program for statistical analysis.
+ Copyright (C) 2006, 2010, 2011 Free Software Foundation, Inc.
- 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 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 3 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.
+ 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., 51 Franklin Street, Fifth Floor, Boston, MA
- 02110-1301, USA. */
+ along with this program. If not, see . */
#include
-#include "any-reader.h"
+
+#include "data/any-reader.h"
+
#include
#include
#include
#include
#include
-#include
-#include
-#include "file-handle-def.h"
-#include "file-name.h"
-#include "por-file-reader.h"
-#include "sys-file-reader.h"
-#include
-#include "scratch-reader.h"
-#include "xalloc.h"
+
+#include "data/dataset-reader.h"
+#include "data/file-handle-def.h"
+#include "data/file-name.h"
+#include "data/por-file-reader.h"
+#include "data/sys-file-reader.h"
+#include "libpspp/assertion.h"
+#include "libpspp/message.h"
+#include "libpspp/str.h"
+
+#include "gl/xalloc.h"
#include "gettext.h"
#define _(msgid) gettext (msgid)
@@ -44,30 +46,38 @@ enum detect_result
IO_ERROR /* File couldn't be opened. */
};
-/* Tries to detect whether HANDLE represents a given type of
- file, by opening the file and passing it to DETECT, and
- returns a detect_result. */
+/* Tries to detect whether FILE is a given type of file, by opening the file
+ and passing it to DETECT, and returns a detect_result. */
static enum detect_result
-try_detect (struct file_handle *handle, bool (*detect) (FILE *))
+try_detect (const char *file_name, bool (*detect) (FILE *))
{
FILE *file;
bool is_type;
- file = fn_open (fh_get_file_name (handle), "rb");
+ file = fn_open (file_name, "rb");
if (file == NULL)
{
- msg (ME, _("An error occurred while opening \"%s\": %s."),
- fh_get_file_name (handle), strerror (errno));
+ msg (ME, _("An error occurred while opening `%s': %s."),
+ file_name, strerror (errno));
return IO_ERROR;
}
is_type = detect (file);
- fn_close (fh_get_file_name (handle), file);
+ fn_close (file_name, file);
return is_type ? YES : NO;
}
+/* Returns true if any_reader_open() would be able to open FILE as a data
+ file, false otherwise. */
+bool
+any_reader_may_open (const char *file)
+{
+ return (try_detect (file, sfm_detect) == YES
+ || try_detect (file, pfm_detect) == YES);
+}
+
/* Returns a casereader for HANDLE. On success, returns the new
casereader and stores the file's dictionary into *DICT. On
failure, returns a null pointer. */
@@ -80,19 +90,19 @@ any_reader_open (struct file_handle *handle, struct dictionary **dict)
{
enum detect_result result;
- result = try_detect (handle, sfm_detect);
+ result = try_detect (fh_get_file_name (handle), sfm_detect);
if (result == IO_ERROR)
return NULL;
else if (result == YES)
return sfm_open_reader (handle, dict, NULL);
- result = try_detect (handle, pfm_detect);
+ result = try_detect (fh_get_file_name (handle), pfm_detect);
if (result == IO_ERROR)
return NULL;
else if (result == YES)
return pfm_open_reader (handle, dict, NULL);
- msg (SE, _("\"%s\" is not a system or portable file."),
+ msg (SE, _("`%s' is not a system or portable file."),
fh_get_file_name (handle));
return NULL;
}
@@ -101,8 +111,8 @@ any_reader_open (struct file_handle *handle, struct dictionary **dict)
msg (SE, _("The inline file is not allowed here."));
return NULL;
- case FH_REF_SCRATCH:
- return scratch_reader_open (handle, dict);
+ case FH_REF_DATASET:
+ return dataset_reader_open (handle, dict);
}
NOT_REACHED ();
}