snapshot before regression test
This commit is contained in:
t
395
Test/TestProject3/App/fileiotest.py
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395
Test/TestProject3/App/fileiotest.py
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import t, c
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from t import CInt, CInt32T, CUInt32T, CPtr, CChar, CExport
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from stdint import *
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import stdlib
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import viperlib
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import w32.win32base
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import w32.win32file
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import w32.win32console
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import w32.fileio
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from w32.fileio import File, FileW, MODE, FRESULT, SEEK_SET, SEEK_CUR, SEEK_END
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BUF_SIZE: t.CDefine = 4096
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def fileio_main():
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buf: bytes = stdlib.malloc(256)
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write_buf: bytes = stdlib.malloc(BUF_SIZE)
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read_buf: bytes = stdlib.malloc(BUF_SIZE)
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bytes_written: ULONG = 0
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bytes_read: ULONG = 0
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w32.win32console.SetConsoleCP(65001)
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w32.win32console.SetConsoleOutputCP(65001)
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hFile: w32.win32base.HANDLE = w32.win32file.CreateFileA(
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"testfile.txt",
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w32.win32file.GENERIC_WRITE,
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w32.win32file.FILE_SHARE_READ,
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None,
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w32.win32file.CREATE_ALWAYS,
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w32.win32file.FILE_ATTRIBUTE_NORMAL,
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None
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)
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if hFile == w32.win32base.INVALID_HANDLE_VALUE:
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print("Failed to create file")
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return
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viperlib.snprintf(write_buf, BUF_SIZE, "Hello from TransPyC Win32 FileIO!\nLine 2: %d + %d = %d\n", 10, 20, 30)
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write_len: ULONG = 0
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i: CInt = 0
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ch: bytes = write_buf
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while i < BUF_SIZE:
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if CInt(c.Deref(ch)) == 0:
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break
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write_len = write_len + 1
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i = i + 1
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ch = ch + 1
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result: BOOL = w32.win32file.WriteFile(hFile, write_buf, write_len, c.Addr(bytes_written), None)
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if result == 0:
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print("WriteFile failed")
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else:
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viperlib.snprintf(buf, 256, "Written %d bytes to testfile.txt", bytes_written)
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print(buf)
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w32.win32file.FlushFileBuffers(hFile)
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w32.win32base.CloseHandle(hFile)
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hFile = w32.win32file.CreateFileA(
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"testfile.txt",
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w32.win32file.GENERIC_READ,
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w32.win32file.FILE_SHARE_READ,
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None,
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w32.win32file.OPEN_EXISTING,
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w32.win32file.FILE_ATTRIBUTE_NORMAL,
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None
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)
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if hFile == w32.win32base.INVALID_HANDLE_VALUE:
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print("Failed to open file for reading")
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return
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read_len: ULONG = 0
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result = w32.win32file.ReadFile(hFile, read_buf, BUF_SIZE - 1, c.Addr(read_len), None)
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if result == 0:
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print("ReadFile failed")
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else:
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viperlib.snprintf(buf, 256, "Read %d bytes from testfile.txt", read_len)
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print(buf)
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read_ptr: bytes = read_buf
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read_ptr = read_ptr + read_len
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c.DerefAs(read_ptr, 0)
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print("--- File content ---")
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print(read_buf)
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print("--- End ---")
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fileSize: ULONG = w32.win32file.GetFileSize(hFile, None)
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viperlib.snprintf(buf, 256, "File size: %d bytes", fileSize)
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print(buf)
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w32.win32base.CloseHandle(hFile)
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attrs: ULONG = w32.win32file.GetFileAttributesA("testfile.txt")
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if attrs == w32.win32base.INVALID_HANDLE_VALUE:
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print("GetFileAttributes failed")
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else:
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viperlib.snprintf(buf, 256, "File attributes: 0x%X", attrs)
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print(buf)
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w32.win32file.DeleteFileA("testfile.txt")
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print("File deleted")
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stdlib.free(write_buf)
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stdlib.free(read_buf)
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print("=== OOP FileIO: with context manager ===")
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fileio_with_test()
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print("=== OOP FileIO: f handle style ===")
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fileio_handle_test()
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print("=== OOP FileIO: RP/WP/AP modes ===")
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fileio_rw_test()
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def fileio_with_test():
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buf: bytes = stdlib.malloc(256)
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write_buf: bytes = stdlib.malloc(BUF_SIZE)
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read_buf: bytes = stdlib.malloc(BUF_SIZE)
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with File("oop_with.txt", MODE.W) as f:
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viperlib.snprintf(write_buf, BUF_SIZE, "with context manager test!\nLine 2: %d\n", 42)
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n: LONG = f.write_str(write_buf)
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if n < 0:
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print("[with] write failed")
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else:
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viperlib.snprintf(buf, 256, "[with] wrote %d bytes", n)
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print(buf)
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with File("oop_with.txt", MODE.R) as f:
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n = f.read_all(read_buf, BUF_SIZE)
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if n < 0:
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print("[with] read failed")
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else:
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viperlib.snprintf(buf, 256, "[with] read %d bytes", n)
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print(buf)
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print("[with] content:")
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print(read_buf)
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with File("oop_with.txt", MODE.R) as f:
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line1_len: LONG = f.readline(buf, 256)
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viperlib.snprintf(read_buf, BUF_SIZE, "[with] Line1(%d): ", line1_len)
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print(read_buf)
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print(buf)
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line2_len: LONG = f.readline(buf, 256)
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viperlib.snprintf(read_buf, BUF_SIZE, "[with] Line2(%d): ", line2_len)
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print(read_buf)
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print(buf)
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with File("oop_with.txt", MODE.A) as f:
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f.write_str("Appended line!\n")
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with File("oop_with.txt", MODE.R) as f:
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n = f.read_all(read_buf, BUF_SIZE)
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print("[with] after append:")
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print(read_buf)
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with File("oop_with.txt", MODE.R) as f:
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sz: LONGLONG = f.size()
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pos: LONG = f.tell()
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viperlib.snprintf(buf, 256, "[with] Size=%lld Pos=%d", sz, pos)
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print(buf)
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f.seek(5, SEEK_SET)
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pos = f.tell()
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viperlib.snprintf(buf, 256, "[with] After seek: Pos=%d", pos)
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print(buf)
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w32.win32file.DeleteFileA("oop_with.txt")
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print("[with] test file deleted")
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stdlib.free(buf)
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stdlib.free(write_buf)
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stdlib.free(read_buf)
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def fileio_handle_test():
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buf: bytes = stdlib.malloc(256)
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write_buf: bytes = stdlib.malloc(BUF_SIZE)
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read_buf: bytes = stdlib.malloc(BUF_SIZE)
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fw: File = File("oop_handle.txt", MODE.W)
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viperlib.snprintf(write_buf, BUF_SIZE, "f handle style test!\nLine 2: %d\n", 99)
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n: LONG = fw.write_str(write_buf)
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viperlib.snprintf(buf, 256, "[handle] wrote %d bytes", n)
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print(buf)
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fw.flush()
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fw.close()
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fr: File = File("oop_handle.txt", MODE.R)
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n = fr.read_all(read_buf, BUF_SIZE)
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viperlib.snprintf(buf, 256, "[handle] read %d bytes", n)
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print(buf)
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print("[handle] content:")
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print(read_buf)
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fr.close()
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fr2: File = File("oop_handle.txt", MODE.R)
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line1_len: LONG = fr2.readline(buf, 256)
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viperlib.snprintf(read_buf, BUF_SIZE, "[handle] Line1(%d): ", line1_len)
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print(read_buf)
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print(buf)
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line2_len: LONG = fr2.readline(buf, 256)
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viperlib.snprintf(read_buf, BUF_SIZE, "[handle] Line2(%d): ", line2_len)
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print(read_buf)
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print(buf)
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fr2.close()
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fa: File = File("oop_handle.txt", MODE.A)
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fa.write_str("Appended by handle!\n")
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fa.close()
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fr3: File = File("oop_handle.txt", MODE.R)
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n = fr3.read_all(read_buf, BUF_SIZE)
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print("[handle] after append:")
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print(read_buf)
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fr3.close()
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fr4: File = File("oop_handle.txt", MODE.R)
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sz: LONGLONG = fr4.size()
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pos: LONG = fr4.tell()
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viperlib.snprintf(buf, 256, "[handle] Size=%lld Pos=%d", sz, pos)
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print(buf)
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fr4.seek(5, SEEK_SET)
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pos = fr4.tell()
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viperlib.snprintf(buf, 256, "[handle] After seek: Pos=%d", pos)
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print(buf)
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fr4.close()
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w32.win32file.DeleteFileA("oop_handle.txt")
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print("[handle] test file deleted")
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stdlib.free(buf)
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stdlib.free(write_buf)
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stdlib.free(read_buf)
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def fileio_rw_test():
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buf: bytes = stdlib.malloc(256)
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fw: File = File("rw_test.txt", MODE.W)
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fw.write_str("original content\n")
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fw.close()
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frp: File = File("rw_test.txt", MODE.RP)
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n: LONG = frp.read_all(buf, 256)
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viperlib.snprintf(buf, 256, "[rp] read %d bytes", n)
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print(buf)
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frp.seek(0, SEEK_END)
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frp.write_str("appended via RP\n")
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frp.seek(0, SEEK_SET)
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n = frp.read_all(buf, 256)
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print("[rp] after RP append:")
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print(buf)
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frp.close()
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fwp: File = File("rw_test.txt", MODE.WP)
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fwp.write_str("truncated + new\n")
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fwp.seek(0, SEEK_SET)
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n = fwp.read_all(buf, 256)
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print("[wp] WP (truncate+read):")
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print(buf)
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fwp.close()
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fap: File = File("rw_test.txt", MODE.AP)
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fap.write_str("a+ appended\n")
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fap.seek(0, SEEK_SET)
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n = fap.read_all(buf, 256)
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print("[ap] AP (append+read):")
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print(buf)
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fap.close()
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w32.win32file.DeleteFileA("rw_test.txt")
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print("[rw] test file deleted")
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print("=== OOP FileIO: wide char (u\"...\") ===")
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fileio_wide_test()
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stdlib.free(buf)
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def fileio_wide_test():
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buf: bytes = stdlib.malloc(256)
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fw: File = File("wide_test.txt", MODE.W)
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fw.write_str("wide char test\n")
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fw.close()
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fw2: FileW = FileW(u"wide_test.txt", MODE.R)
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n: LONG = fw2.read_all(buf, 256)
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viperlib.snprintf(buf, 256, "[wide] read %d bytes", n)
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print(buf)
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fw2.close()
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w32.win32file.DeleteFileA("wide_test.txt")
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print("[wide] test file deleted")
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stdlib.free(buf)
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print("=== OOP FileIO: Chinese filename & content (u\"...\" = WCHAR_T) ===")
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fileio_chinese_test()
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def fileio_chinese_test():
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buf: bytes = stdlib.malloc(512)
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bytes_written: ULONG = 0
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# === T1: Chinese filename (WCHAR_T) + ANSI content ===
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print("[chinese] T1: Chinese filename + ANSI content")
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fw: FileW = FileW(u"中文文件.txt", MODE.W)
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if fw.closed:
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print("[chinese] T1: create failed")
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else:
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fw.write_str("Hello from Chinese filename!\n")
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fw.close()
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fr: FileW = FileW(u"中文文件.txt", MODE.R)
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n: LONG = fr.read_all(buf, 512)
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viperlib.snprintf(buf, 256, "[chinese] T1: read %d bytes", n)
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print(buf)
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print("[chinese] T1 content:")
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print(buf)
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fr.close()
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w32.win32file.DeleteFileW(u"中文文件.txt")
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print("[chinese] T1: deleted")
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# === T2: Chinese filename + Chinese wide content (WCHAR_T) ===
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print("[chinese] T2: Chinese filename + Chinese wide content")
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fw2: FileW = FileW(u"中文内容.txt", MODE.W)
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if fw2.closed:
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print("[chinese] T2: create failed")
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else:
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# u"你好世界\n" = 5 WCHARs = 10 bytes (UTF-16LE)
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w32.win32file.WriteFile(fw2.handle, u"你好世界\n", 10, c.Addr(bytes_written), None)
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viperlib.snprintf(buf, 256, "[chinese] T2: wrote %d WCHAR bytes", bytes_written)
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print(buf)
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fw2.close()
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fr2: FileW = FileW(u"中文内容.txt", MODE.R)
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n = fr2.read_all(buf, 512)
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viperlib.snprintf(buf, 256, "[chinese] T2: read %d bytes (UTF-16LE)", n)
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print(buf)
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fr2.close()
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w32.win32file.DeleteFileW(u"中文内容.txt")
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print("[chinese] T2: deleted")
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# === T3: Chinese filename + mixed ANSI + wide content ===
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print("[chinese] T3: Chinese filename + mixed content")
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fw3: FileW = FileW(u"混合测试.txt", MODE.WP)
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if fw3.closed:
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print("[chinese] T3: create failed")
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else:
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fw3.write_str("ASCII line\n")
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# u"中文行\n" = 4 WCHARs = 8 bytes (UTF-16LE)
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w32.win32file.WriteFile(fw3.handle, u"中文行\n", 8, c.Addr(bytes_written), None)
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fw3.seek(0, SEEK_SET)
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n: LONG = fw3.read_all(buf, 512)
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viperlib.snprintf(buf, 256, "[chinese] T3: total %d bytes", n)
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print(buf)
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fw3.close()
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w32.win32file.DeleteFileW(u"混合测试.txt")
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print("[chinese] T3: deleted")
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# === T4: Chinese filename + Chinese content via WriteConsoleW ===
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print("[chinese] T4: Write wide content and print via WriteConsoleW")
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fw4: FileW = FileW(u"控制台测试.txt", MODE.W)
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if fw4.closed:
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print("[chinese] T4: create failed")
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else:
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# u"你好，世界！\n" = 7 WCHARs = 14 bytes (UTF-16LE)
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w32.win32file.WriteFile(fw4.handle, u"你好，世界！\n", 14, c.Addr(bytes_written), None)
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viperlib.snprintf(buf, 256, "[chinese] T4: wrote %d WCHAR bytes", bytes_written)
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print(buf)
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fw4.close()
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fr4: FileW = FileW(u"控制台测试.txt", MODE.R)
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n = fr4.read_all(buf, 512)
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viperlib.snprintf(buf, 256, "[chinese] T4: read %d bytes", n)
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print(buf)
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# Print wide content to console using WriteConsoleW
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chars_written: ULONG = 0
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hOut: w32.win32base.HANDLE = w32.win32file.GetStdHandle(w32.win32file.STD_OUTPUT_HANDLE)
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w32.win32console.WriteConsoleW(hOut, u"你好，世界！\n", 7, c.Addr(chars_written), None)
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fr4.close()
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w32.win32file.DeleteFileW(u"控制台测试.txt")
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print("[chinese] T4: deleted")
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stdlib.free(buf)
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