module file
intrude import stream
-intrude import ropes
-import string_search
+intrude import text::ropes
+import text
import time
import gc
end
# End of file?
- redef var end_reached: Bool = false
+ redef var end_reached = false
# Open the file at `path` for reading.
#
prepare_buffer(1)
end
- redef fun poll_in: Bool is extern "file_stdin_poll_in"
+ redef fun poll_in `{
+ struct pollfd fd = {0, POLLIN, 0};
+ int res = poll(&fd, 1, 0);
+ if (res == -1) {
+ perror("Error poll stdin");
+ exit(EXIT_FAILURE);
+ }
+ return res > 0;
+ `}
end
# Standard output stream.
return res
end
- # Simplify a file path by remove useless ".", removing "//", and resolving ".."
+ # Simplify a file path by remove useless `.`, removing `//`, and resolving `..`
#
- # * ".." are not resolved if they start the path
- # * starting "/" is not removed
- # * trailing "/" is removed
+ # * `..` are not resolved if they start the path
+ # * starting `.` is simplified unless the path is empty
+ # * starting `/` is not removed
+ # * trailing `/` is removed
#
# Note that the method only work on the string:
#
# assert "dir/..".simplify_path == "."
# assert "//absolute//path/".simplify_path == "/absolute/path"
# assert "//absolute//../".simplify_path == "/"
+ # assert "/".simplify_path == "/"
+ # assert "../".simplify_path == ".."
+ # assert "./".simplify_path == "."
+ # assert "././././././".simplify_path == "."
+ # assert "./../dir".simplify_path == "../dir"
+ # assert "./dir".simplify_path == "dir"
# ~~~
fun simplify_path: String
do
var a = self.split_with("/")
var a2 = new Array[String]
for x in a do
- if x == "." then continue
- if x == "" and not a2.is_empty then continue
+ if x == "." and not a2.is_empty then continue # skip `././`
+ if x == "" and not a2.is_empty then continue # skip `//`
if x == ".." and not a2.is_empty and a2.last != ".." then
- a2.pop
- continue
+ if a2.last == "." then # do not skip `./../`
+ a2.pop # reduce `./../` in `../`
+ else # reduce `dir/../` in `/`
+ a2.pop
+ continue
+ end
+ else if not a2.is_empty and a2.last == "." then
+ a2.pop # reduce `./dir` in `dir`
end
a2.push(x)
end
#
# Return an error object in case of error.
#
- # assert "/fail/does not/exist".rmdir != null
+ # assert "/fail/does not/exist".rmdir != null
fun rmdir: nullable Error
do
var res = to_path.rmdir
end
redef class NativeString
- private fun file_exists: Bool is extern "string_NativeString_NativeString_file_exists_0"
- private fun file_stat: NativeFileStat is extern "string_NativeString_NativeString_file_stat_0"
+ private fun file_exists: Bool `{
+ FILE *hdl = fopen(self,"r");
+ if(hdl != NULL){
+ fclose(hdl);
+ }
+ return hdl != NULL;
+ `}
+
+ private fun file_stat: NativeFileStat `{
+ struct stat buff;
+ if(stat(self, &buff) != -1) {
+ struct stat* stat_element;
+ stat_element = malloc(sizeof(struct stat));
+ return memcpy(stat_element, &buff, sizeof(struct stat));
+ }
+ return 0;
+ `}
+
private fun file_lstat: NativeFileStat `{
struct stat* stat_element;
int res;
# Returns true if it is a regular file (not a device file, pipe, sockect, ...)
fun is_reg: Bool `{ return S_ISREG(self->st_mode); `}
+
# Returns true if it is a directory
fun is_dir: Bool `{ return S_ISDIR(self->st_mode); `}
+
# Returns true if it is a character device
fun is_chr: Bool `{ return S_ISCHR(self->st_mode); `}
+
# Returns true if it is a block device
fun is_blk: Bool `{ return S_ISBLK(self->st_mode); `}
+
# Returns true if the type is fifo
fun is_fifo: Bool `{ return S_ISFIFO(self->st_mode); `}
+
# Returns true if the type is a link
fun is_lnk: Bool `{ return S_ISLNK(self->st_mode); `}
+
# Returns true if the type is a socket
fun is_sock: Bool `{ return S_ISSOCK(self->st_mode); `}
end
return fwrite(&b, 1, 1, self);
`}
fun io_close: Int is extern "file_NativeFile_NativeFile_io_close_0"
- fun file_stat: NativeFileStat is extern "file_NativeFile_NativeFile_file_stat_0"
+ fun file_stat: NativeFileStat `{
+ struct stat buff;
+ if(fstat(fileno(self), &buff) != -1) {
+ struct stat* stat_element;
+ stat_element = malloc(sizeof(struct stat));
+ return memcpy(stat_element, &buff, sizeof(struct stat));
+ }
+ return 0;
+ `}
+
fun fileno: Int `{ return fileno(self); `}
+
# Flushes the buffer, forcing the write operation
fun flush: Int is extern "fflush"
# Used to specify how the buffering will be handled for the current stream.
end
end
- private fun intern_poll(in_fds: Array[Int], out_fds: Array[Int]) : nullable Int is extern import Array[Int].length, Array[Int].[], Int.as(nullable Int) `{
+ private fun intern_poll(in_fds: Array[Int], out_fds: Array[Int]): nullable Int
+ import Array[Int].length, Array[Int].[], Int.as(nullable Int) `{
int in_len, out_len, total_len;
struct pollfd *c_fds;
- sigset_t sigmask;
int i;
int first_polled_fd = -1;
int result;
# Print `objects` on the standard output (`stdout`).
fun printn(objects: Object...)
do
- sys.stdout.write(objects.to_s)
+ sys.stdout.write(objects.plain_to_s)
end
# Print an `object` on the standard output (`stdout`) and add a newline.
nitlanguage / nit.git / blobdiff