mirror of https://github.com/acidanthera/audk.git
203 lines
6.9 KiB
C
203 lines
6.9 KiB
C
/** @file
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Base Print Library instance Internal Functions definition.
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Copyright (c) 2006 - 2008, Intel Corporation
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#ifndef __PRINT_LIB_INTERNAL_H__
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#define __PRINT_LIB_INTERNAL_H__
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#include <Base.h>
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#include <Library/PrintLib.h>
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#include <Library/BaseLib.h>
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#include <Library/DebugLib.h>
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//
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// Print primitives
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//
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#define PREFIX_SIGN 0x02
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#define PREFIX_BLANK 0x04
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#define LONG_TYPE 0x10
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#define OUTPUT_UNICODE 0x40
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#define FORMAT_UNICODE 0x100
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#define PAD_TO_WIDTH 0x200
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#define ARGUMENT_UNICODE 0x400
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#define PRECISION 0x800
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#define ARGUMENT_REVERSED 0x1000
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//
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// Record date and time information
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//
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typedef struct {
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UINT16 Year;
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UINT8 Month;
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UINT8 Day;
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UINT8 Hour;
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UINT8 Minute;
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UINT8 Second;
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UINT8 Pad1;
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UINT32 Nanosecond;
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INT16 TimeZone;
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UINT8 Daylight;
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UINT8 Pad2;
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} TIME;
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/**
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Worker function that produces a Null-terminated string in an output buffer
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based on a Null-terminated format string and a VA_LIST argument list.
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VSPrint function to process format and place the results in Buffer. Since a
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VA_LIST is used this routine allows the nesting of Vararg routines. Thus
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this is the main print working routine.
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@param Buffer Character buffer to print the results of the parsing
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of Format into.
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@param BufferSize Maximum number of characters to put into buffer.
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@param Flags Initial flags value.
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Can only have FORMAT_UNICODE and OUTPUT_UNICODE set.
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@param Format Null-terminated format string.
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@param Marker Vararg list consumed by processing Format.
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@return Number of characters printed not including the Null-terminator.
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**/
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UINTN
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BasePrintLibVSPrint (
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OUT CHAR8 *Buffer,
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IN UINTN BufferSize,
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IN UINTN Flags,
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IN CONST CHAR8 *Format,
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IN VA_LIST Marker
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);
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/**
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Worker function that produces a Null-terminated string in an output buffer
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based on a Null-terminated format string and variable argument list.
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VSPrint function to process format and place the results in Buffer. Since a
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VA_LIST is used this routine allows the nesting of Vararg routines. Thus
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this is the main print working routine
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@param StartOfBuffer Character buffer to print the results of the parsing
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of Format into.
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@param BufferSize Maximum number of characters to put into buffer.
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Zero means no limit.
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@param Flags Initial flags value.
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Can only have FORMAT_UNICODE and OUTPUT_UNICODE set
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@param FormatString Null-terminated format string.
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@param ... The variable argument list.
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@return Number of characters printed.
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**/
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UINTN
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BasePrintLibSPrint (
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OUT CHAR8 *StartOfBuffer,
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IN UINTN BufferSize,
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IN UINTN Flags,
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IN CONST CHAR8 *FormatString,
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...
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);
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/**
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Internal function that places the character into the Buffer.
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Internal function that places ASCII or Unicode character into the Buffer.
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@param Buffer Buffer to place the Unicode or ASCII string.
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@param EndBuffer The end of the input Buffer. No characters will be
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placed after that.
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@param Length Count of character to be placed into Buffer.
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(Negative value indicates no buffer fill.)
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@param Character Character to be placed into Buffer.
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@param Increment Character increment in Buffer.
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@return Buffer Buffer filled with the input Character.
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**/
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CHAR8 *
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BasePrintLibFillBuffer (
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OUT CHAR8 *Buffer,
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IN CHAR8 *EndBuffer,
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IN INTN Length,
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IN UINTN Character,
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IN INTN Increment
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);
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/**
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Internal function that convert a number to a string in Buffer.
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Print worker function that converts a decimal or hexadecimal number to an ASCII string in Buffer.
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@param Buffer Location to place the ASCII string of Value.
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@param Value Value to convert to a Decimal or Hexadecimal string in Buffer.
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@param Radix Radix of the value
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@return A pointer to the end of buffer filled with ASCII string.
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**/
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CHAR8 *
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BasePrintLibValueToString (
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IN OUT CHAR8 *Buffer,
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IN INT64 Value,
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IN UINTN Radix
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);
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/**
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Internal function that converts a decimal value to a Null-terminated string.
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Converts the decimal number specified by Value to a Null-terminated
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string specified by Buffer containing at most Width characters.
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If Width is 0 then a width of MAXIMUM_VALUE_CHARACTERS is assumed.
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The total number of characters placed in Buffer is returned.
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If the conversion contains more than Width characters, then only the first
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Width characters are returned, and the total number of characters
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required to perform the conversion is returned.
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Additional conversion parameters are specified in Flags.
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The Flags bit LEFT_JUSTIFY is always ignored.
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All conversions are left justified in Buffer.
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If Width is 0, PREFIX_ZERO is ignored in Flags.
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If COMMA_TYPE is set in Flags, then PREFIX_ZERO is ignored in Flags, and commas
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are inserted every 3rd digit starting from the right.
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If Value is < 0, then the fist character in Buffer is a '-'.
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If PREFIX_ZERO is set in Flags and PREFIX_ZERO is not being ignored,
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then Buffer is padded with '0' characters so the combination of the optional '-'
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sign character, '0' characters, digit characters for Value, and the Null-terminator
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add up to Width characters.
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If Buffer is NULL, then ASSERT().
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If unsupported bits are set in Flags, then ASSERT().
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If Width >= MAXIMUM_VALUE_CHARACTERS, then ASSERT()
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@param Buffer Pointer to the output buffer for the produced Null-terminated
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string.
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@param Flags The bitmask of flags that specify left justification, zero pad,
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and commas.
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@param Value The 64-bit signed value to convert to a string.
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@param Width The maximum number of characters to place in Buffer, not including
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the Null-terminator.
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@param Increment Character increment in Buffer.
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@return Total number of characters required to perform the conversion.
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**/
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UINTN
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BasePrintLibConvertValueToString (
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IN OUT CHAR8 *Buffer,
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IN UINTN Flags,
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IN INT64 Value,
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IN UINTN Width,
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IN UINTN Increment
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);
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#endif
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