X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=MdePkg%2FLibrary%2FBasePrintLib%2FPrintLibInternal.h;h=052e699574c646c6d3b1d97406de90f4a0fb22e4;hp=5e650b012326a670b420dbac6d338f7f878c370f;hb=51f0ceb;hpb=24e25d11c0460dfb39fade685375c0e58cbcb40e diff --git a/MdePkg/Library/BasePrintLib/PrintLibInternal.h b/MdePkg/Library/BasePrintLib/PrintLibInternal.h index 5e650b0123..052e699574 100644 --- a/MdePkg/Library/BasePrintLib/PrintLibInternal.h +++ b/MdePkg/Library/BasePrintLib/PrintLibInternal.h @@ -1,35 +1,41 @@ /** @file - Print Library. + Base Print Library instance Internal Functions definition. - Copyright (c) 2006, Intel Corporation - All rights reserved. This program and the accompanying materials + Copyright (c) 2006 - 2017, 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 + 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: PrintLibInternal.h - **/ +#ifndef __PRINT_LIB_INTERNAL_H__ +#define __PRINT_LIB_INTERNAL_H__ + +#include +#include +#include +#include +#include + + // // Print primitives // -//#define LEFT_JUSTIFY 0x01 -#define PREFIX_SIGN 0x02 -#define PREFIX_BLANK 0x04 -//#define COMMA_TYPE 0x08 -#define LONG_TYPE 0x10 -//#define PREFIX_ZERO 0x20 -#define OUTPUT_UNICODE 0x40 -#define RADIX_HEX 0x80 -#define FORMAT_UNICODE 0x100 -#define PAD_TO_WIDTH 0x200 -#define ARGUMENT_UNICODE 0x400 -#define PRECISION 0x800 -#define ARGUMENT_REVERSED 0x1000 +#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 @@ -48,28 +54,68 @@ typedef struct { 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 rountine allows the nesting of Vararg routines. Thus + VA_LIST is used this routine allows the nesting of Vararg routines. Thus this is the main print working routine - @param Buffer Character buffer to print the results of the parsing + @param StartOfBuffer The character buffer to print the results of the parsing of Format into. - @param BufferSize Maximum number of characters to put into buffer. + @param BufferSize The maximum number of characters to put into buffer. Zero means no limit. - @param Flags Intial flags value. + @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 Number of characters printed. + @return The number of characters printed. **/ UINTN +EFIAPI BasePrintLibSPrint ( - OUT CHAR8 *Buffer, + OUT CHAR8 *StartOfBuffer, IN UINTN BufferSize, IN UINTN Flags, IN CONST CHAR8 *FormatString, @@ -82,35 +128,38 @@ BasePrintLibSPrint ( Internal function that places ASCII or Unicode character into the Buffer. @param Buffer Buffer to place the Unicode or ASCII string. - @param Length Count of character to be placed into Buffer. - @param Character Character to be placed into Buffer. - @param Increment Character increment in Buffer. + @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 Number of characters printed. + @return Buffer Buffer filled with the input Character. **/ CHAR8 * BasePrintLibFillBuffer ( - CHAR8 *Buffer, - INTN Length, - UINTN Character, - INTN Increment + OUT CHAR8 *Buffer, + IN CHAR8 *EndBuffer, + IN INTN Length, + IN UINTN Character, + IN INTN Increment ); /** - Internal function that convert a decimal number to a string in Buffer. + Internal function that convert a number to a string in Buffer. - Print worker function that convert a decimal 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 Unicode or ASCII string of Value. - @param Value Value to convert to a Decimal or Hexidecimal 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 Number of characters printed. + @return A pointer to the end of buffer filled with ASCII string. **/ -UINTN -EFIAPI +CHAR8 * BasePrintLibValueToString ( IN OUT CHAR8 *Buffer, IN INT64 Value, @@ -143,12 +192,13 @@ BasePrintLibValueToString ( 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 + @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. + @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. @@ -162,3 +212,66 @@ BasePrintLibConvertValueToString ( 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