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158 lines
4.5 KiB
C
158 lines
4.5 KiB
C
/*
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* PROJECT: ReactOS Console Utilities Library
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* LICENSE: GPL-2.0+ (https://spdx.org/licenses/GPL-2.0+)
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* PURPOSE: Provides basic abstraction wrappers around CRT streams or
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* Win32 console API I/O functions, to deal with i18n + Unicode
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* related problems.
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* COPYRIGHT: Copyright 2017-2018 ReactOS Team
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* Copyright 2017-2018 Hermes Belusca-Maito
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*/
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/**
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* @file stream.h
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* @ingroup ConUtils
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*
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* @brief Console I/O streams
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**/
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#ifndef __STREAM_H__
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#define __STREAM_H__
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#pragma once
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/*
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* Enable this define if you want to only use CRT functions to output
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* UNICODE stream to the console, as in the way explained by
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* http://archives.miloush.net/michkap/archive/2008/03/18/8306597.html
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*/
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/** NOTE: Experimental! Don't use USE_CRT yet because output to console is a bit broken **/
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// #define USE_CRT
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#ifndef _UNICODE
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#error The ConUtils library at the moment only supports compilation with _UNICODE defined!
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* See http://archives.miloush.net/michkap/archive/2009/08/14/9869928.html
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* for more information.
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*/
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typedef enum _CON_STREAM_MODE
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{
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Binary = 0, // #define _O_BINARY 0x8000 // file mode is binary (untranslated)
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// #define _O_RAW _O_BINARY
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AnsiText, // #define _O_TEXT 0x4000 // file mode is text (translated) -- "ANSI"
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WideText, // #define _O_WTEXT 0x10000 // file mode is UTF16 with BOM (translated) -- "Unicode" of Windows
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UTF16Text, // #define _O_U16TEXT 0x20000 // file mode is UTF16 no BOM (translated) -- "" ""
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UTF8Text, // #define _O_U8TEXT 0x40000 // file mode is UTF8 no BOM (translated)
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} CON_STREAM_MODE, *PCON_STREAM_MODE;
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#define INVALID_CP ((UINT)-1)
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// Shadow type, implementation-specific
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typedef struct _CON_STREAM CON_STREAM, *PCON_STREAM;
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// typedef INT (__stdcall *CON_READ_FUNC)(IN PCON_STREAM, IN PTCHAR, IN DWORD);
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// Stream, szStr, len
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typedef INT (__stdcall *CON_WRITE_FUNC)(IN PCON_STREAM, IN PTCHAR, IN DWORD);
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/*
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* Standard console streams, initialized by
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* calls to ConStreamInit/ConInitStdStreams.
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*/
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#if 0 // FIXME!
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extern CON_STREAM StdStreams[3];
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#define StdIn (&StdStreams[0])
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#define StdOut (&StdStreams[1])
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#define StdErr (&StdStreams[2])
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#else
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extern CON_STREAM csStdIn;
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extern CON_STREAM csStdOut;
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extern CON_STREAM csStdErr;
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#define StdIn (&csStdIn )
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#define StdOut (&csStdOut)
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#define StdErr (&csStdErr)
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#endif
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BOOL
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ConStreamInitEx(
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OUT PCON_STREAM Stream,
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IN PVOID Handle,
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IN CON_STREAM_MODE Mode,
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IN UINT CacheCodePage OPTIONAL,
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// IN ReadWriteMode ????
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// IN CON_READ_FUNC ReadFunc OPTIONAL,
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IN CON_WRITE_FUNC WriteFunc OPTIONAL);
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BOOL
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ConStreamInit(
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OUT PCON_STREAM Stream,
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IN PVOID Handle,
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// IN ReadWriteMode ????
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IN CON_STREAM_MODE Mode,
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IN UINT CacheCodePage OPTIONAL);
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/* Console Standard Streams initialization helpers */
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#ifdef USE_CRT
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#define ConInitStdStreamsAndMode(Mode, CacheCodePage) \
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do { \
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ConStreamInit(StdIn , stdin , (Mode), (CacheCodePage)); \
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ConStreamInit(StdOut, stdout, (Mode), (CacheCodePage)); \
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ConStreamInit(StdErr, stderr, (Mode), (CacheCodePage)); \
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} while(0)
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#else
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#define ConInitStdStreamsAndMode(Mode, CacheCodePage) \
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do { \
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ConStreamInit(StdIn , GetStdHandle(STD_INPUT_HANDLE) , (Mode), (CacheCodePage)); \
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ConStreamInit(StdOut, GetStdHandle(STD_OUTPUT_HANDLE), (Mode), (CacheCodePage)); \
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ConStreamInit(StdErr, GetStdHandle(STD_ERROR_HANDLE) , (Mode), (CacheCodePage)); \
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} while(0)
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#endif /* defined(USE_CRT) */
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/*
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* Use ANSI by default for file output, with no cached code page.
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* Note that setting the stream mode to AnsiText and the code page value
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* to CP_UTF8 sets the stream to UTF8 mode, and has the same effect as if
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* the stream mode UTF8Text had been specified instead.
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*/
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#define ConInitStdStreams() \
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ConInitStdStreamsAndMode(AnsiText, INVALID_CP)
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/* Stream translation modes */
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BOOL
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ConStreamSetMode(
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IN PCON_STREAM Stream,
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IN CON_STREAM_MODE Mode,
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IN UINT CacheCodePage OPTIONAL);
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#ifdef USE_CRT
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// FIXME!
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#warning The ConStreamSetCacheCodePage function does not make much sense with the CRT!
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#else
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BOOL
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ConStreamSetCacheCodePage(
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IN PCON_STREAM Stream,
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IN UINT CacheCodePage);
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#endif
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HANDLE
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ConStreamGetOSHandle(
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IN PCON_STREAM Stream);
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BOOL
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ConStreamSetOSHandle(
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IN PCON_STREAM Stream,
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IN HANDLE Handle);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __STREAM_H__ */
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/* EOF */
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