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/** @file
Base Print Library instance Internal Functions definition.
Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef __PRINT_LIB_INTERNAL_H__
#define __PRINT_LIB_INTERNAL_H__
#include <Base.h>
#include <Library/PrintLib.h>
#include <Library/BaseLib.h>
#include <Library/DebugLib.h>
#include <Library/PcdLib.h>
//
// Print primitives
//
#define PREFIX_SIGN BIT1
#define PREFIX_BLANK BIT2
#define LONG_TYPE BIT4
#define OUTPUT_UNICODE BIT6
#define FORMAT_UNICODE BIT8
#define PAD_TO_WIDTH BIT9
#define ARGUMENT_UNICODE BIT10
#define PRECISION BIT11
#define ARGUMENT_REVERSED BIT12
#define COUNT_ONLY_NO_PRINT BIT13
#define UNSIGNED_TYPE BIT14
//
// Record date and time information
//
typedef struct {
UINT16 Year;
UINT8 Month;
UINT8 Day;
UINT8 Hour;
UINT8 Minute;
UINT8 Second;
UINT8 Pad1;
UINT32 Nanosecond;
INT16 TimeZone;
UINT8 Daylight;
UINT8 Pad2;
} TIME;
/**
Worker function that produces a Null-terminated string in an output buffer
based on a Null-terminated format string and a VA_LIST argument list.
VSPrint function to process format and place the results in Buffer. Since a
VA_LIST is used this routine allows the nesting of Vararg routines. Thus
this is the main print working routine.
If COUNT_ONLY_NO_PRINT is set in Flags, Buffer will not be modified at all.
@param[out] Buffer The character buffer to print the results of the
parsing of Format into.
@param[in] BufferSize The maximum number of characters to put into
buffer.
@param[in] Flags Initial flags value.
Can only have FORMAT_UNICODE, OUTPUT_UNICODE,
and COUNT_ONLY_NO_PRINT set.
@param[in] Format A Null-terminated format string.
@param[in] VaListMarker VA_LIST style variable argument list consumed by
processing Format.
@param[in] BaseListMarker BASE_LIST style variable argument list consumed
by processing Format.
@return The number of characters printed not including the Null-terminator.
If COUNT_ONLY_NO_PRINT was set returns the same, but without any
modification to Buffer.
**/
UINTN
BasePrintLibSPrintMarker (
OUT CHAR8 *Buffer,
IN UINTN BufferSize,
IN UINTN Flags,
IN CONST CHAR8 *Format,
IN VA_LIST VaListMarker OPTIONAL,
IN BASE_LIST BaseListMarker OPTIONAL
);
/**
Worker function that produces a Null-terminated string in an output buffer
based on a Null-terminated format string and variable argument list.
VSPrint function to process format and place the results in Buffer. Since a
VA_LIST is used this routine allows the nesting of Vararg routines. Thus
this is the main print working routine
@param StartOfBuffer The character buffer to print the results of the parsing
of Format into.
@param BufferSize The maximum number of characters to put into buffer.
Zero means no limit.
@param Flags Initial flags value.
Can only have FORMAT_UNICODE and OUTPUT_UNICODE set
@param FormatString Null-terminated format string.
@param ... The variable argument list.
@return The number of characters printed.
**/
UINTN
EFIAPI
BasePrintLibSPrint (
OUT CHAR8 *StartOfBuffer,
IN UINTN BufferSize,
IN UINTN Flags,
IN CONST CHAR8 *FormatString,
...
);
/**
Internal function that places the character into the Buffer.
Internal function that places ASCII or Unicode character into the Buffer.
@param Buffer Buffer to place the Unicode or ASCII string.
@param EndBuffer The end of the input Buffer. No characters will be
placed after that.
@param Length The count of character to be placed into Buffer.
(Negative value indicates no buffer fill.)
@param Character The character to be placed into Buffer.
@param Increment The character increment in Buffer.
@return Buffer Buffer filled with the input Character.
**/
CHAR8 *
BasePrintLibFillBuffer (
OUT CHAR8 *Buffer,
IN CHAR8 *EndBuffer,
IN INTN Length,
IN UINTN Character,
IN INTN Increment
);
/**
Internal function that convert a number to a string in Buffer.
Print worker function that converts a decimal or hexadecimal number to an ASCII string in Buffer.
@param Buffer Location to place the ASCII string of Value.
@param Value The value to convert to a Decimal or Hexadecimal string in Buffer.
@param Radix Radix of the value
@return A pointer to the end of buffer filled with ASCII string.
**/
CHAR8 *
BasePrintLibValueToString (
IN OUT CHAR8 *Buffer,
IN INT64 Value,
IN UINTN Radix
);
/**
Internal function that converts a decimal value to a Null-terminated string.
Converts the decimal number specified by Value to a Null-terminated
string specified by Buffer containing at most Width characters.
If Width is 0 then a width of MAXIMUM_VALUE_CHARACTERS is assumed.
The total number of characters placed in Buffer is returned.
If the conversion contains more than Width characters, then only the first
Width characters are returned, and the total number of characters
required to perform the conversion is returned.
Additional conversion parameters are specified in Flags.
The Flags bit LEFT_JUSTIFY is always ignored.
All conversions are left justified in Buffer.
If Width is 0, PREFIX_ZERO is ignored in Flags.
If COMMA_TYPE is set in Flags, then PREFIX_ZERO is ignored in Flags, and commas
are inserted every 3rd digit starting from the right.
If Value is < 0, then the fist character in Buffer is a '-'.
If PREFIX_ZERO is set in Flags and PREFIX_ZERO is not being ignored,
then Buffer is padded with '0' characters so the combination of the optional '-'
sign character, '0' characters, digit characters for Value, and the Null-terminator
add up to Width characters.
If Buffer is NULL, then ASSERT().
If unsupported bits are set in Flags, then ASSERT().
If Width >= MAXIMUM_VALUE_CHARACTERS, then ASSERT()
@param Buffer The pointer to the output buffer for the produced Null-terminated
string.
@param Flags The bitmask of flags that specify left justification, zero pad,
and commas.
@param Value The 64-bit signed value to convert to a string.
@param Width The maximum number of characters to place in Buffer, not including
the Null-terminator.
@param Increment Character increment in Buffer.
@return Total number of characters required to perform the conversion.
**/
UINTN
BasePrintLibConvertValueToString (
IN OUT CHAR8 *Buffer,
IN UINTN Flags,
IN INT64 Value,
IN UINTN Width,
IN UINTN Increment
);
/**
Internal function that converts a decimal value to a Null-terminated string.
Converts the decimal number specified by Value to a Null-terminated string
specified by Buffer containing at most Width characters. If Width is 0 then a
width of MAXIMUM_VALUE_CHARACTERS is assumed. If the conversion contains more
than Width characters, then only the first Width characters are placed in
Buffer. Additional conversion parameters are specified in Flags.
The Flags bit LEFT_JUSTIFY is always ignored.
All conversions are left justified in Buffer.
If Width is 0, PREFIX_ZERO is ignored in Flags.
If COMMA_TYPE is set in Flags, then PREFIX_ZERO is ignored in Flags, and
commas are inserted every 3rd digit starting from the right.
If Value is < 0, then the fist character in Buffer is a '-'.
If PREFIX_ZERO is set in Flags and PREFIX_ZERO is not being ignored,
then Buffer is padded with '0' characters so the combination of the optional
'-' sign character, '0' characters, digit characters for Value, and the
Null-terminator add up to Width characters.
If an error would be returned, the function will ASSERT().
@param Buffer The pointer to the output buffer for the produced
Null-terminated string.
@param BufferSize The size of Buffer in bytes, including the
Null-terminator.
@param Flags The bitmask of flags that specify left justification,
zero pad, and commas.
@param Value The 64-bit signed value to convert to a string.
@param Width The maximum number of characters to place in Buffer,
not including the Null-terminator.
@param Increment The character increment in Buffer.
@retval RETURN_SUCCESS The decimal value is converted.
@retval RETURN_BUFFER_TOO_SMALL If BufferSize cannot hold the converted
value.
@retval RETURN_INVALID_PARAMETER If Buffer is NULL.
If Increment is 1 and
PcdMaximumAsciiStringLength is not zero,
BufferSize is greater than
PcdMaximumAsciiStringLength.
If Increment is not 1 and
PcdMaximumUnicodeStringLength is not zero,
BufferSize is greater than
(PcdMaximumUnicodeStringLength *
sizeof (CHAR16) + 1).
If unsupported bits are set in Flags.
If both COMMA_TYPE and RADIX_HEX are set in
Flags.
If Width >= MAXIMUM_VALUE_CHARACTERS.
**/
RETURN_STATUS
BasePrintLibConvertValueToStringS (
IN OUT CHAR8 *Buffer,
IN UINTN BufferSize,
IN UINTN Flags,
IN INT64 Value,
IN UINTN Width,
IN UINTN Increment
);
#endif
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