gambas-source-code/main/gbx/gbx_c_file.c
Benoît Minisini 3b12a492ef [DEVELOPMENT ENVIRONMENT]
* BUG: Fix the title of the search list window.
* NEW: Support for hebrew translations.

[INTERPRETER]
* BUG: Do not free the classes before the _free() special methods are 
  executed.

[GB.FORM]
* BUG: Fix the default event declaration of ValueBox.

[GB.QT]
* BUG: GridView.Clear now correctly refreshes the GridView.


git-svn-id: svn://localhost/gambas/trunk@1452 867c0c6c-44f3-4631-809d-bfa615b0a4ec
2008-07-16 10:12:13 +00:00

783 lines
15 KiB
C

/***************************************************************************
CFile.c
The native File class
(c) 2000-2007 Benoit Minisini <gambas@users.sourceforge.net>
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 1, 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., 675 Mass Ave, Cambridge, MA 02139, USA.
***************************************************************************/
#define __GBX_C_FILE_C
#include "gbx_info.h"
#ifndef GBX_INFO
#include <stdio.h>
#include <pwd.h>
#include <grp.h>
#include <sys/stat.h>
#include "gb_common.h"
#include "gb_list.h"
#include "gb_file.h"
#include "gbx_api.h"
#include "gambas.h"
#include "gbx_class.h"
#include "gbx_stream.h"
#include "gbx_exec.h"
#include "gbx_project.h"
#include "gbx_string.h"
#include "gbx_date.h"
#include "gbx_c_file.h"
CFILE *CFILE_in, *CFILE_out, *CFILE_err;
DECLARE_EVENT(EVENT_Read);
DECLARE_EVENT(EVENT_Write);
static GB_FUNCTION read_func;
static char _buffer[16];
static void callback_read(int fd, int type, CFILE *file)
{
//fprintf(stderr, "callback_read\n");
GB_Raise(file, EVENT_Read, 0);
}
static void callback_write(int fd, int type, CFILE *file)
{
GB_Raise(file, EVENT_Write, 0);
}
CFILE *CFILE_create(STREAM *stream, int mode)
{
int fd;
CFILE *file;
OBJECT_new((void **)(void *)&file, CLASS_File, NULL, NULL);
OBJECT_UNREF_KEEP(&file, "CFILE_new");
if (stream)
{
*CSTREAM_stream(file) = *stream;
file->watch_fd = -1;
if (mode & ST_WATCH)
{
fd = STREAM_handle(&file->ob.stream);
file->watch_fd = fd;
if (mode & ST_READ)
GB_Watch(fd, GB_WATCH_READ, (void *)callback_read, (intptr_t)file);
if (mode & ST_WRITE)
GB_Watch(fd, GB_WATCH_WRITE, (void *)callback_write, (intptr_t)file);
OBJECT_attach((OBJECT *)file, OP ? (OBJECT *)OP : (OBJECT *)CP, "File");
}
}
return file;
}
static CFILE *create_default_stream(FILE *file, int mode)
{
CFILE *ob;
STREAM stream;
CLEAR(&stream);
stream.type = &STREAM_buffer;
stream.buffer.size = 0;
stream.buffer.file = file;
stream.buffer.is_term = isatty(fileno(file));
ob = CFILE_create(&stream, mode);
GB_Ref(ob);
return ob;
}
void CFILE_init(void)
{
CFILE_in = create_default_stream(stdin, ST_READ);
CFILE_out = create_default_stream(stdout, ST_WRITE);
CFILE_err = create_default_stream(stderr, ST_WRITE);
}
void CFILE_exit(void)
{
GB_Unref(POINTER(&CFILE_in));
GB_Unref(POINTER(&CFILE_out));
GB_Unref(POINTER(&CFILE_err));
}
void CFILE_init_watch(void)
{
if (GB_GetFunction(&read_func, PROJECT_class, "Application_Read", "", "") == 0)
{
//fprintf(stderr, "watch stdin\n");
GB_Attach(CFILE_in, PROJECT_class, "Application");
CFILE_in->watch_fd = STDIN_FILENO;
GB_Watch(STDIN_FILENO, GB_WATCH_READ, (void *)callback_read, (intptr_t)CFILE_in);
}
}
BEGIN_METHOD_VOID(CFILE_free)
STREAM_close(&THIS->ob.stream);
if (THIS->watch_fd >= 0)
GB_Watch(THIS->watch_fd, GB_WATCH_NONE, NULL, 0);
END_METHOD
BEGIN_PROPERTY(CFILE_get_in)
GB_ReturnObject(CFILE_in);
END_PROPERTY
BEGIN_PROPERTY(CFILE_get_out)
GB_ReturnObject(CFILE_out);
END_PROPERTY
BEGIN_PROPERTY(CFILE_get_err)
GB_ReturnObject(CFILE_err);
END_PROPERTY
BEGIN_METHOD_VOID(CSTAT_free)
STRING_unref(&THIS_STAT->path);
END_METHOD
BEGIN_PROPERTY(CFILE_type)
GB_ReturnInt(THIS_STAT->info.type);
END_PROPERTY
BEGIN_PROPERTY(CSTAT_path)
GB_ReturnString(THIS_STAT->path);
END_PROPERTY
BEGIN_PROPERTY(CSTAT_link)
if (THIS_STAT->info.type == GB_STAT_LINK)
GB_ReturnNewZeroString(FILE_readlink(THIS_STAT->path));
else
GB_ReturnNull();
END_PROPERTY
BEGIN_PROPERTY(CFILE_mode)
GB_ReturnInt(THIS_STAT->info.mode);
END_PROPERTY
BEGIN_PROPERTY(CFILE_hidden)
GB_ReturnBoolean(THIS_STAT->info.hidden);
END_PROPERTY
BEGIN_PROPERTY(CFILE_size)
GB_ReturnLong(THIS_STAT->info.size);
END_PROPERTY
BEGIN_PROPERTY(CFILE_atime)
GB_DATE date;
DATE_from_time(THIS_STAT->info.atime, 0, (VALUE *)&date);
GB_ReturnDate(&date);
END_PROPERTY
BEGIN_PROPERTY(CFILE_ctime)
GB_DATE date;
DATE_from_time(THIS_STAT->info.ctime, 0, (VALUE *)&date);
GB_ReturnDate(&date);
END_PROPERTY
BEGIN_PROPERTY(CFILE_mtime)
GB_DATE date;
DATE_from_time(THIS_STAT->info.mtime, 0, (VALUE *)&date);
GB_ReturnDate(&date);
END_PROPERTY
static char *get_file_user(CFILE *_object)
{
struct passwd *pwd;
uid_t uid = THIS_STAT->info.uid;
if (uid == 0)
return "root";
else
{
pwd = getpwuid(uid);
if (!pwd)
{
snprintf(_buffer, sizeof(_buffer), "%d", (int)uid);
return _buffer;
}
else
return pwd->pw_name;
}
}
BEGIN_PROPERTY(CFILE_user)
GB_ReturnNewZeroString(get_file_user(THIS));
END_PROPERTY
static char *get_file_group(CFILE *_object)
{
struct group *grp;
gid_t gid = THIS_STAT->info.gid;
if (gid == 0)
return "root";
else
{
grp = getgrgid(gid);
if (!grp)
{
snprintf(_buffer, sizeof(_buffer), "%d", (int)gid);
return _buffer;
}
else
return grp->gr_name;
}
}
BEGIN_PROPERTY(CFILE_group)
GB_ReturnNewZeroString(get_file_group(THIS));
END_PROPERTY
BEGIN_PROPERTY(CFILE_setuid)
GB_ReturnBoolean(THIS_STAT->info.mode & S_ISUID);
END_PROPERTY
BEGIN_PROPERTY(CFILE_setgid)
GB_ReturnBoolean(THIS_STAT->info.mode & S_ISGID);
END_PROPERTY
BEGIN_PROPERTY(CFILE_sticky)
GB_ReturnBoolean(THIS_STAT->info.mode & S_ISVTX);
END_PROPERTY
#if 0
BEGIN_METHOD(CFILE_access, GB_INTEGER who; GB_INTEGER access)
bool ret;
int access = VARGOPT(access, GB_STAT_READ);
int who = VARG(who);
int mode = THIS_STAT->info.mode;
if ((access & GB_STAT_READ) == 0)
mode &= ~(S_IRUSR | S_IRGRP | S_IROTH);
if ((access & GB_STAT_WRITE) == 0)
mode &= ~(S_IWUSR | S_IWGRP | S_IWOTH);
if ((access & GB_STAT_EXEC) == 0)
mode &= ~(S_IXUSR | S_IXGRP | S_IXOTH);
switch(who)
{
case GB_STAT_USER: ret = mode & S_IRWXU; break;
case GB_STAT_GROUP: ret = mode & S_IRWXG; break;
case GB_STAT_OTHER: ret = mode & S_IRWXO; break;
default: ret = FALSE; break;
}
GB_ReturnBoolean(ret);
END_METHOD
#endif
static void return_perm(CSTAT *_object, int rf, int wf, int xf)
{
char perm[4];
char *p;
int mode = THIS_STAT->info.mode;
p = perm;
if (mode & rf) *p++ = 'r';
if (mode & wf) *p++ = 'w';
if (mode & xf) *p++ = 'x';
*p = 0;
GB_ReturnNewZeroString(perm);
}
BEGIN_PROPERTY(CFILE_perm_user)
return_perm(THIS_STAT, S_IRUSR, S_IWUSR, S_IXUSR);
END_PROPERTY
BEGIN_PROPERTY(CFILE_perm_group)
return_perm(THIS_STAT, S_IRGRP, S_IWGRP, S_IXGRP);
END_PROPERTY
BEGIN_PROPERTY(CFILE_perm_other)
return_perm(THIS_STAT, S_IROTH, S_IWOTH, S_IXOTH);
END_PROPERTY
BEGIN_METHOD(CFILE_perm_get, GB_STRING user)
char *who;
char *user = GB_ToZeroString(ARG(user));
who = get_file_user(THIS);
if (strcmp(user, who) == 0)
{
return_perm(THIS_STAT, S_IRUSR, S_IWUSR, S_IWUSR);
return;
}
who = get_file_group(THIS);
if (strlen(user) > 2 && user[0] == '*' && user[1] == '.' && strcmp(&user[2], who) == 0)
{
return_perm(THIS_STAT, S_IRGRP, S_IWGRP, S_IWGRP);
return;
}
return_perm(THIS_STAT, S_IROTH, S_IWOTH, S_IWOTH);
END_METHOD
/*---- File path functions --------------------------------------------------*/
static char *_dir;
static char *_basename;
static char *_ext;
static char *_name = NULL;
static void split_path(char *path)
{
char *p;
p = rindex(path, '/');
if (p)
{
if (p == path)
{
_dir = "/";
_basename = path + 1;
}
else
{
*p = 0;
_dir = path;
_basename = p + 1;
}
}
else
{
_dir = "";
_basename = path;
}
p = rindex(_basename, '.');
if (p)
{
*p = 0;
_ext = p + 1;
}
else
_ext = "";
}
static void return_path(void)
{
char *tmp = NULL;
int len;
len = strlen(_dir);
STRING_add(&tmp, _dir, len);
if (_name && *_name)
{
_basename = _name;
_ext = "";
_name = NULL;
}
if (*_basename || *_ext)
{
if (*_dir && _dir[len - 1] != '/' && *_basename && *_basename != '/')
STRING_add(&tmp, "/", 1);
STRING_add(&tmp, _basename, 0);
if (*_ext && *_ext != '.')
STRING_add(&tmp, ".", 1);
STRING_add(&tmp, _ext, 0);
}
STRING_extend_end(&tmp);
GB_ReturnString(tmp);
}
BEGIN_METHOD(CFILE_dir, GB_STRING path)
split_path(GB_ToZeroString(ARG(path)));
GB_ReturnNewZeroString(_dir);
END_METHOD
BEGIN_METHOD(CFILE_set_dir, GB_STRING path; GB_STRING new_dir)
split_path(GB_ToZeroString(ARG(path)));
_dir = GB_ToZeroString(ARG(new_dir));
return_path();
END_METHOD
BEGIN_METHOD(CFILE_name, GB_STRING path)
char *path;
if (LENGTH(path) && STRING(path)[LENGTH(path) - 1] == '/')
LENGTH(path)--;
path = GB_ToZeroString(ARG(path));
GB_ReturnNewString(FILE_get_name(path), -1);
END_METHOD
BEGIN_METHOD(CFILE_set_name, GB_STRING path; GB_STRING new_name)
char *path;
if (LENGTH(path) && STRING(path)[LENGTH(path) - 1] == '/')
LENGTH(path)--;
path = GB_ToZeroString(ARG(path));
split_path(path);
_name = GB_ToZeroString(ARG(new_name));
return_path();
END_METHOD
BEGIN_METHOD(CFILE_ext, GB_STRING path)
split_path(GB_ToZeroString(ARG(path)));
GB_ReturnNewZeroString(_ext);
END_METHOD
BEGIN_METHOD(CFILE_set_ext, GB_STRING path; GB_STRING new_ext)
split_path(GB_ToZeroString(ARG(path)));
_ext = GB_ToZeroString(ARG(new_ext));
return_path();
END_METHOD
BEGIN_METHOD(CFILE_basename, GB_STRING path)
split_path(GB_ToZeroString(ARG(path)));
GB_ReturnNewZeroString(_basename);
END_METHOD
BEGIN_METHOD(CFILE_set_basename, GB_STRING path; GB_STRING new_basename)
split_path(GB_ToZeroString(ARG(path)));
_basename = GB_ToZeroString(ARG(new_basename));
return_path();
END_METHOD
BEGIN_METHOD(CFILE_load, GB_STRING path)
STREAM stream;
int64_t len;
int rlen;
char *str;
boolean opened = FALSE;
//ERROR_INFO save; We suppose it is useless
TRY
{
STREAM_open(&stream, STRING_conv_file_name(STRING(path), LENGTH(path)), ST_READ);
opened = TRUE;
STREAM_lof(&stream, &len);
if (len >> 31)
THROW(E_MEMORY);
rlen = len;
STRING_new_temp(&str, NULL, rlen);
STREAM_read(&stream, str, rlen);
STREAM_close(&stream);
GB_ReturnString(str);
}
CATCH
{
//ERROR_save(&save);
if (opened)
STREAM_close(&stream);
//ERROR_restore(&save);
PROPAGATE();
}
END_TRY
END_METHOD
BEGIN_METHOD(CFILE_save, GB_STRING path; GB_STRING data)
STREAM stream;
boolean opened = FALSE;
TRY
{
STREAM_open(&stream, STRING_conv_file_name(STRING(path), LENGTH(path)), ST_CREATE);
opened = TRUE;
STREAM_write(&stream, STRING(data), LENGTH(data));
STREAM_close(&stream);
}
CATCH
{
if (opened)
STREAM_close(&stream);
PROPAGATE();
}
END_TRY
END_METHOD
BEGIN_PROPERTY(CSTREAM_id)
GB_ReturnInteger(STREAM_handle(CSTREAM_stream(THIS_STREAM)));
END_PROPERTY
BEGIN_PROPERTY(CSTREAM_byte_order)
bool endian = EXEC_big_endian;
if (READ_PROPERTY)
{
if (CSTREAM_stream(THIS_STREAM)->common.swap)
endian = !endian;
GB_ReturnInteger(endian ? 1 : 0);
}
else
{
bool val = VPROP(GB_INTEGER);
CSTREAM_stream(THIS_STREAM)->common.swap = endian ^ val;
}
END_PROPERTY
BEGIN_PROPERTY(CSTREAM_eol)
if (READ_PROPERTY)
GB_ReturnInteger(CSTREAM_stream(THIS_STREAM)->common.eol);
else
{
int eol = VPROP(GB_INTEGER);
if (eol >= 0 && eol <= 2)
CSTREAM_stream(THIS_STREAM)->common.eol = eol;
}
END_PROPERTY
BEGIN_METHOD_VOID(CSTREAM_close)
STREAM_close(CSTREAM_stream(THIS_STREAM));
END_METHOD
BEGIN_PROPERTY(CSTREAM_eof)
GB_ReturnBoolean(CSTREAM_stream(THIS_STREAM)->common.eof);
END_PROPERTY
#endif
GB_DESC NATIVE_Stream[] =
{
GB_DECLARE("Stream", sizeof(CSTREAM)),
GB_NOT_CREATABLE(),
GB_PROPERTY("ByteOrder", "i", CSTREAM_byte_order),
GB_PROPERTY_READ("Handle", "i", CSTREAM_id),
GB_PROPERTY_READ("Id", "i", CSTREAM_id),
GB_PROPERTY("EndOfLine", "i", CSTREAM_eol),
GB_METHOD("Close", NULL, CSTREAM_close, NULL),
GB_PROPERTY_READ("EndOfFile", "b", CSTREAM_eof),
GB_END_DECLARE
};
GB_DESC NATIVE_FilePerm[] =
{
GB_DECLARE(".FilePerm", 0),
GB_VIRTUAL_CLASS(),
GB_METHOD("_get", "s", CFILE_perm_get, "(UserOrGroup)s"),
GB_PROPERTY_READ("User", "s", CFILE_perm_user),
GB_PROPERTY_READ("Group", "s", CFILE_perm_group),
GB_PROPERTY_READ("Other", "s", CFILE_perm_other),
GB_END_DECLARE
};
GB_DESC NATIVE_Stat[] =
{
GB_DECLARE("Stat", sizeof(CSTAT)),
GB_NOT_CREATABLE(),
GB_METHOD("_free", NULL, CSTAT_free, NULL),
GB_PROPERTY_READ("Type", "i", CFILE_type),
GB_PROPERTY_READ("Mode", "i", CFILE_mode),
GB_PROPERTY_READ("Hidden", "b", CFILE_hidden),
GB_PROPERTY_READ("Size", "l", CFILE_size),
GB_PROPERTY_READ("Time", "d", CFILE_mtime),
GB_PROPERTY_READ("LastAccess", "d", CFILE_atime),
GB_PROPERTY_READ("LastModified", "d", CFILE_mtime),
GB_PROPERTY_READ("LastChange", "d", CFILE_ctime),
GB_PROPERTY_READ("User", "s", CFILE_user),
GB_PROPERTY_READ("Group", "s", CFILE_group),
GB_PROPERTY_SELF("Perm", ".FilePerm"),
GB_PROPERTY_READ("SetGID", "b", CFILE_setgid),
GB_PROPERTY_READ("SetUID", "b", CFILE_setuid),
GB_PROPERTY_READ("Sticky", "b", CFILE_sticky),
GB_PROPERTY_READ("Path", "s", CSTAT_path),
GB_PROPERTY_READ("Link", "s", CSTAT_link),
GB_END_DECLARE
};
GB_DESC NATIVE_File[] =
{
GB_DECLARE("File", sizeof(CFILE)),
GB_INHERITS("Stream"),
GB_NOT_CREATABLE(),
GB_METHOD("_free", NULL, CFILE_free, NULL),
// GB_STATIC_PROPERTY_READ("Separator", "s", CFILE_separator),
GB_STATIC_PROPERTY_READ("In", "File", CFILE_get_in),
GB_STATIC_PROPERTY_READ("Out", "File", CFILE_get_out),
GB_STATIC_PROPERTY_READ("Err", "File", CFILE_get_err),
GB_STATIC_METHOD("Dir", "s", CFILE_dir, "(Path)s"),
GB_STATIC_METHOD("Name", "s", CFILE_name, "(Path)s"),
GB_STATIC_METHOD("Ext", "s", CFILE_ext, "(Path)s"),
GB_STATIC_METHOD("BaseName", "s", CFILE_basename, "(Path)s"),
GB_STATIC_METHOD("SetDir", "s", CFILE_set_dir, "(Path)s(NewDir)s"),
GB_STATIC_METHOD("SetName", "s", CFILE_set_name, "(Path)s(NewName)s"),
GB_STATIC_METHOD("SetExt", "s", CFILE_set_ext, "(Path)s(NewExt)s"),
GB_STATIC_METHOD("SetBaseName", "s", CFILE_set_basename, "(Path)s(NewBaseName)s"),
GB_STATIC_METHOD("Load", "s", CFILE_load, "(FileName)s"),
GB_STATIC_METHOD("Save", NULL, CFILE_save, "(FileName)s(Data)s"),
GB_EVENT("Read", NULL, NULL, &EVENT_Read),
GB_EVENT("Write", NULL, NULL, &EVENT_Write),
GB_END_DECLARE
};