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/** @file
Library that provides print services
Copyright (c) 2006, Intel Corporation
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
Module Name: PrintLib.h
**/
#ifndef __PRINT_LIB_H__
#define __PRINT_LIB_H__
///
/// Define the maximum number of characters that are required to
/// encode a decimal, hexidecimal, GUID, or TIME value with a NULL
/// terminator.
///
/// Maximum Length Decimal String = 28
/// "-9,223,372,036,854,775,808"
/// Maximum Length Hexidecimal String = 17
/// "FFFFFFFFFFFFFFFF"
/// Maximum Length GUID = 37
/// "00000000-0000-0000-0000-000000000000"
/// Maximum Length TIME = 18
/// "12/12/2006 12:12"
///
#define MAXIMUM_VALUE_CHARACTERS 38
///
/// Flags bitmask values use in UnicodeValueToString() and
/// AcsiiValueToString()
///
#define LEFT_JUSTIFY 0x01
#define COMMA_TYPE 0x08
#define PREFIX_ZERO 0x20
/**
Produces a Null-terminated Unicode string in an output buffer based on
a Null-terminated Unicode format string and a VA_LIST argument list
Produces a Null-terminated Unicode string in the output buffer specified by StartOfBuffer
and BufferSize.
The Unicode string is produced by parsing the format string specified by FormatString.
Arguments are pulled from the variable argument list specified by Marker based on the
contents of the format string.
The length of the produced output buffer is returned.
If BufferSize is 0, then no output buffer is produced and 0 is returned.
If BufferSize is not 0 and StartOfBuffer is NULL, then ASSERT().
If BufferSize is not 0 and FormatString is NULL, then ASSERT().
If PcdMaximumUnicodeStringLength is not zero, and FormatString contains more than
PcdMaximumUnicodeStringLength Unicode characters, then ASSERT().
If PcdMaximumUnicodeStringLength is not zero, and produced Null-terminated Unicode string
contains more than PcdMaximumUnicodeStringLength Unicode characters, then ASSERT().
@param StartOfBuffer APointer to the output buffer for the produced Null-terminated
Unicode string.
@param BufferSize The size, in bytes, of the output buffer specified by StartOfBuffer.
@param FormatString Null-terminated Unicode format string.
@param Marker VA_LIST marker for the variable argument list.
@return return Length of the produced output buffer.
**/
UINTN
EFIAPI
UnicodeVSPrint (
OUT CHAR16 *StartOfBuffer,
IN UINTN BufferSize,
IN CONST CHAR16 *FormatString,
IN VA_LIST Marker
);
/**
Produces a Null-terminated Unicode string in an output buffer based on a Null-terminated
Unicode format string and variable argument list.
Produces a Null-terminated Unicode string in the output buffer specified by StartOfBuffer
and BufferSize.
The Unicode string is produced by parsing the format string specified by FormatString.
Arguments are pulled from the variable argument list based on the contents of the format string.
The length of the produced output buffer is returned.
If BufferSize is 0, then no output buffer is produced and 0 is returned.
If BufferSize is not 0 and StartOfBuffer is NULL, then ASSERT().
If BufferSize is not 0 and FormatString is NULL, then ASSERT().
If PcdMaximumUnicodeStringLength is not zero, and FormatString contains more than
PcdMaximumUnicodeStringLength Unicode characters, then ASSERT().
If PcdMaximumUnicodeStringLength is not zero, and produced Null-terminated Unicode string
contains more than PcdMaximumUnicodeStringLength Unicode characters, then ASSERT().
@param StartOfBuffer APointer to the output buffer for the produced Null-terminated
Unicode string.
@param BufferSize The size, in bytes, of the output buffer specified by StartOfBuffer.
@param FormatString Null-terminated Unicode format string.
@return Length of the produced output buffer.
**/
UINTN
EFIAPI
UnicodeSPrint (
OUT CHAR16 *StartOfBuffer,
IN UINTN BufferSize,
IN CONST CHAR16 *FormatString,
...
);
/**
Produces a Null-terminated Unicode string in an output buffer based on a Null-terminated
ASCII format string and a VA_LIST argument list
Produces a Null-terminated Unicode string in the output buffer specified by StartOfBuffer
and BufferSize.
The Unicode string is produced by parsing the format string specified by FormatString.
Arguments are pulled from the variable argument list specified by Marker based on the
contents of the format string.
The length of the produced output buffer is returned.
If BufferSize is 0, then no output buffer is produced and 0 is returned.
If BufferSize is not 0 and StartOfBuffer is NULL, then ASSERT().
If BufferSize is not 0 and FormatString is NULL, then ASSERT().
If PcdMaximumUnicodeStringLength is not zero, and FormatString contains more than
PcdMaximumUnicodeStringLength Unicode characters, then ASSERT().
If PcdMaximumUnicodeStringLength is not zero, and produced Null-terminated Unicode string
contains more than PcdMaximumUnicodeStringLength Unicode characters, then ASSERT().
@param StartOfBuffer APointer to the output buffer for the produced Null-terminated
Unicode string.
@param BufferSize The size, in bytes, of the output buffer specified by StartOfBuffer.
@param FormatString Null-terminated Unicode format string.
@param Marker VA_LIST marker for the variable argument list.
@return Length of the produced output buffer.
**/
UINTN
EFIAPI
UnicodeVSPrintAsciiFormat (
OUT CHAR16 *StartOfBuffer,
IN UINTN BufferSize,
IN CONST CHAR8 *FormatString,
IN VA_LIST Marker
);
/**
Produces a Null-terminated Unicode string in an output buffer based on a Null-terminated
ASCII format string and variable argument list.
Produces a Null-terminated Unicode string in the output buffer specified by StartOfBuffer
and BufferSize.
The Unicode string is produced by parsing the format string specified by FormatString.
Arguments are pulled from the variable argument list based on the contents of the
format string.
The length of the produced output buffer is returned.
If BufferSize is 0, then no output buffer is produced and 0 is returned.
If BufferSize is not 0 and StartOfBuffer is NULL, then ASSERT().
If BufferSize is not 0 and FormatString is NULL, then ASSERT().
If PcdMaximumUnicodeStringLength is not zero, and FormatString contains more than
PcdMaximumUnicodeStringLength Unicode characters, then ASSERT().
If PcdMaximumUnicodeStringLength is not zero, and produced Null-terminated Unicode string
contains more than PcdMaximumUnicodeStringLength Unicode characters, then ASSERT().
@param StartOfBuffer APointer to the output buffer for the produced Null-terminated
Unicode string.
@param BufferSize The size, in bytes, of the output buffer specified by StartOfBuffer.
@param FormatString Null-terminated Unicode format string.
@return Length of the produced output buffer.
**/
UINTN
EFIAPI
UnicodeSPrintAsciiFormat (
OUT CHAR16 *StartOfBuffer,
IN UINTN BufferSize,
IN CONST CHAR8 *FormatString,
...
);
/**
Produces a Null-terminated ASCII string in an output buffer based on a Null-terminated
ASCII format string and a VA_LIST argument list.
Produces a Null-terminated ASCII string in the output buffer specified by StartOfBuffer
and BufferSize.
The ASCII string is produced by parsing the format string specified by FormatString.
Arguments are pulled from the variable argument list specified by Marker based on
the contents of the format string.
The length of the produced output buffer is returned.
If BufferSize is 0, then no output buffer is produced and 0 is returned.
If BufferSize is not 0 and StartOfBuffer is NULL, then ASSERT().
If BufferSize is not 0 and FormatString is NULL, then ASSERT().
If PcdMaximumUnicodeStringLength is not zero, and FormatString contains more than
PcdMaximumUnicodeStringLength ASCII characters, then ASSERT().
If PcdMaximumUnicodeStringLength is not zero, and produced Null-terminated Unicode string
contains more than PcdMaximumUnicodeStringLength ASCII characters, then ASSERT().
@param StartOfBuffer APointer to the output buffer for the produced Null-terminated
ASCII string.
@param BufferSize The size, in bytes, of the output buffer specified by StartOfBuffer.
@param FormatString Null-terminated Unicode format string.
@param Marker VA_LIST marker for the variable argument list.
@return Length of the produced output buffer.
**/
UINTN
EFIAPI
AsciiVSPrint (
OUT CHAR8 *StartOfBuffer,
IN UINTN BufferSize,
IN CONST CHAR8 *FormatString,
IN VA_LIST Marker
);
/**
Produces a Null-terminated ASCII string in an output buffer based on a Null-terminated
ASCII format string and variable argument list.
Produces a Null-terminated ASCII string in the output buffer specified by StartOfBuffer
and BufferSize.
The ASCII string is produced by parsing the format string specified by FormatString.
Arguments are pulled from the variable argument list based on the contents of the
format string.
The length of the produced output buffer is returned.
If BufferSize is 0, then no output buffer is produced and 0 is returned.
If BufferSize is not 0 and StartOfBuffer is NULL, then ASSERT().
If BufferSize is not 0 and FormatString is NULL, then ASSERT().
If PcdMaximumUnicodeStringLength is not zero, and FormatString contains more than
PcdMaximumUnicodeStringLength ASCII characters, then ASSERT().
If PcdMaximumUnicodeStringLength is not zero, and produced Null-terminated Unicode string
contains more than PcdMaximumUnicodeStringLength ASCII characters, then ASSERT().
@param StartOfBuffer APointer to the output buffer for the produced Null-terminated
ASCII string.
@param BufferSize The size, in bytes, of the output buffer specified by StartOfBuffer.
@param FormatString Null-terminated Unicode format string.
@return Length of the produced output buffer.
**/
UINTN
EFIAPI
AsciiSPrint (
OUT CHAR8 *StartOfBuffer,
IN UINTN BufferSize,
IN CONST CHAR8 *FormatString,
...
);
/**
Produces a Null-terminated ASCII string in an output buffer based on a Null-terminated
ASCII format string and a VA_LIST argument list.
Produces a Null-terminated ASCII string in the output buffer specified by StartOfBuffer
and BufferSize.
The ASCII string is produced by parsing the format string specified by FormatString.
Arguments are pulled from the variable argument list specified by Marker based on
the contents of the format string.
The length of the produced output buffer is returned.
If BufferSize is 0, then no output buffer is produced and 0 is returned.
If BufferSize is not 0 and StartOfBuffer is NULL, then ASSERT().
If BufferSize is not 0 and FormatString is NULL, then ASSERT().
If PcdMaximumUnicodeStringLength is not zero, and FormatString contains more than
PcdMaximumUnicodeStringLength ASCII characters, then ASSERT().
If PcdMaximumUnicodeStringLength is not zero, and produced Null-terminated Unicode string
contains more than PcdMaximumUnicodeStringLength ASCII characters, then ASSERT().
@param StartOfBuffer APointer to the output buffer for the produced Null-terminated
ASCII string.
@param BufferSize The size, in bytes, of the output buffer specified by StartOfBuffer.
@param FormatString Null-terminated Unicode format string.
@param Marker VA_LIST marker for the variable argument list.
@return Length of the produced output buffer.
**/
UINTN
EFIAPI
AsciiVSPrintUnicodeFormat (
OUT CHAR8 *StartOfBuffer,
IN UINTN BufferSize,
IN CONST CHAR16 *FormatString,
IN VA_LIST Marker
);
/**
Produces a Null-terminated ASCII string in an output buffer based on a Null-terminated
ASCII format string and variable argument list.
Produces a Null-terminated ASCII string in the output buffer specified by StartOfBuffer
and BufferSize.
The ASCII string is produced by parsing the format string specified by FormatString.
Arguments are pulled from the variable argument list based on the contents of the
format string.
The length of the produced output buffer is returned.
If BufferSize is 0, then no output buffer is produced and 0 is returned.
If BufferSize is not 0 and StartOfBuffer is NULL, then ASSERT().
If BufferSize is not 0 and FormatString is NULL, then ASSERT().
If PcdMaximumUnicodeStringLength is not zero, and FormatString contains more than
PcdMaximumUnicodeStringLength ASCII characters, then ASSERT().
If PcdMaximumUnicodeStringLength is not zero, and produced Null-terminated Unicode string
contains more than PcdMaximumUnicodeStringLength ASCII characters, then ASSERT().
@param StartOfBuffer APointer to the output buffer for the produced Null-terminated
ASCII string.
@param BufferSize The size, in bytes, of the output buffer specified by StartOfBuffer.
@param FormatString Null-terminated Unicode format string.
@return Length of the produced output buffer.
**/
UINTN
EFIAPI
AsciiSPrintUnicodeFormat (
OUT CHAR8 *StartOfBuffer,
IN UINTN BufferSize,
IN CONST CHAR16 *FormatString,
...
);
/**
Converts a decimal value to a Null-terminated Unicode string.
Converts the decimal number specified by Value to a Null-terminated Unicode
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 Pointer to the output buffer for the produced Null-terminated
Unicode 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 Unicode characters to place in Buffer.
@return Total number of characters required to perform the conversion.
**/
UINTN
EFIAPI
UnicodeValueToString (
IN OUT CHAR16 *Buffer,
IN UINTN Flags,
IN INT64 Value,
IN UINTN Width
);
/**
Converts a decimal value to a Null-terminated ASCII string.
Converts the decimal number specified by Value to a Null-terminated ASCII 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 Pointer to the output buffer for the produced Null-terminated
ASCII 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 ASCII characters to place in Buffer.
@return Total number of characters required to perform the conversion.
**/
UINTN
EFIAPI
AsciiValueToString (
IN OUT CHAR8 *Buffer,
IN UINTN Flags,
IN INT64 Value,
IN UINTN Width
);
#endif
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