From e1f414b6a7d8a0424e0e01f655b09a4612b4d0e8 Mon Sep 17 00:00:00 2001 From: vanjeff Date: Fri, 22 Jun 2007 03:21:45 +0000 Subject: Import some basic libraries instances for Mde Packages. git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2704 6f19259b-4bc3-4df7-8a09-765794883524 --- MdePkg/Library/BasePrintLib/BasePrintLib.inf | 83 ++ MdePkg/Library/BasePrintLib/BasePrintLib.msa | 47 + MdePkg/Library/BasePrintLib/CommonHeader.h | 33 + MdePkg/Library/BasePrintLib/PrintLib.c | 1085 ++++++++++++++++++++++++ MdePkg/Library/BasePrintLib/PrintLibInternal.c | 214 +++++ MdePkg/Library/BasePrintLib/PrintLibInternal.h | 206 +++++ 6 files changed, 1668 insertions(+) create mode 100644 MdePkg/Library/BasePrintLib/BasePrintLib.inf create mode 100644 MdePkg/Library/BasePrintLib/BasePrintLib.msa create mode 100644 MdePkg/Library/BasePrintLib/CommonHeader.h create mode 100644 MdePkg/Library/BasePrintLib/PrintLib.c create mode 100644 MdePkg/Library/BasePrintLib/PrintLibInternal.c create mode 100644 MdePkg/Library/BasePrintLib/PrintLibInternal.h (limited to 'MdePkg/Library/BasePrintLib') diff --git a/MdePkg/Library/BasePrintLib/BasePrintLib.inf b/MdePkg/Library/BasePrintLib/BasePrintLib.inf new file mode 100644 index 0000000000..340b148b19 --- /dev/null +++ b/MdePkg/Library/BasePrintLib/BasePrintLib.inf @@ -0,0 +1,83 @@ +#/** @file +# Component description file for Base Print Library. +# +# Print Library implementation. +# Copyright (c) 2007, 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. +# +# +#**/ + +################################################################################ +# +# Defines Section - statements that will be processed to create a Makefile. +# +################################################################################ +[Defines] + INF_VERSION = 0x00010005 + BASE_NAME = BasePrintLib + FILE_GUID = a86fbfca-0183-4eeb-aa8a-762e3b7da1f3 + MODULE_TYPE = BASE + VERSION_STRING = 1.0 + LIBRARY_CLASS = PrintLib + EDK_RELEASE_VERSION = 0x00020000 + EFI_SPECIFICATION_VERSION = 0x00020000 + + +# +# The following information is for reference only and not required by the build tools. +# +# VALID_ARCHITECTURES = IA32 X64 IPF EBC +# + +################################################################################ +# +# Sources Section - list of files that are required for the build to succeed. +# +################################################################################ + +[Sources.common] + PrintLibInternal.h + PrintLibInternal.c + PrintLib.c + CommonHeader.h + + +################################################################################ +# +# Includes Section - list of Include locations that are required for +# this module. +# +################################################################################ + +[Includes] + $(WORKSPACE)/MdePkg\Include/Library + +################################################################################ +# +# Package Dependency Section - list of Package files that are required for +# this module. +# +################################################################################ + +[Packages] + MdePkg/MdePkg.dec + + +################################################################################ +# +# Library Class Section - list of Library Classes that are required for +# this module. +# +################################################################################ + +[LibraryClasses] + DebugLib + BaseLib + diff --git a/MdePkg/Library/BasePrintLib/BasePrintLib.msa b/MdePkg/Library/BasePrintLib/BasePrintLib.msa new file mode 100644 index 0000000000..6e6865aa4a --- /dev/null +++ b/MdePkg/Library/BasePrintLib/BasePrintLib.msa @@ -0,0 +1,47 @@ + + + + BasePrintLib + BASE + a86fbfca-0183-4eeb-aa8a-762e3b7da1f3 + 1.0 + Component description file for Base Print Library. + Print Library implementation. + 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. + FRAMEWORK_BUILD_PACKAGING_SPECIFICATION 0x00000052 + + + IA32 X64 IPF EBC + false + BasePrintLib + + + + PrintLib + + + BaseLib + + + DebugLib + + + + PrintLib.c + PrintLibInternal.c + PrintLibInternal.h + + + + + + EFI_SPECIFICATION_VERSION 0x00020000 + EDK_RELEASE_VERSION 0x00020000 + + \ No newline at end of file diff --git a/MdePkg/Library/BasePrintLib/CommonHeader.h b/MdePkg/Library/BasePrintLib/CommonHeader.h new file mode 100644 index 0000000000..c6d7f4136e --- /dev/null +++ b/MdePkg/Library/BasePrintLib/CommonHeader.h @@ -0,0 +1,33 @@ +/**@file + Common header file shared by all source files. + + This file includes package header files, library classes and protocol, PPI & GUID definitions. + + Copyright (c) 2007, 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. +**/ + +#ifndef __COMMON_HEADER_H_ +#define __COMMON_HEADER_H_ + + +// +// The package level header files this module uses +// +#include +// +// The protocols, PPI and GUID defintions for this module +// +// +// The Library classes this module consumes +// +#include +#include +#include + +#endif diff --git a/MdePkg/Library/BasePrintLib/PrintLib.c b/MdePkg/Library/BasePrintLib/PrintLib.c new file mode 100644 index 0000000000..764e3847a2 --- /dev/null +++ b/MdePkg/Library/BasePrintLib/PrintLib.c @@ -0,0 +1,1085 @@ +/** @file + Print Library. + + Copyright (c) 2006 - 2007, 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.c + +**/ + +// +// Include common header file for this module. +// +#include "CommonHeader.h" + +#include "PrintLibInternal.h" + +#define WARNING_STATUS_NUMBER 4 +#define ERROR_STATUS_NUMBER 24 +#define ASSERT_UNICODE_BUFFER(Buffer) ASSERT ((((UINTN) (Buffer)) & 0x01) == 0) + +GLOBAL_REMOVE_IF_UNREFERENCED CONST CHAR8 *StatusString [] = { + "Success", // RETURN_SUCCESS = 0 + "Warning Unknown Glyph", // RETURN_WARN_UNKNOWN_GLYPH = 1 + "Warning Delete Failure", // RETURN_WARN_DELETE_FAILURE = 2 + "Warning Write Failure", // RETURN_WARN_WRITE_FAILURE = 3 + "Warning Buffer Too Small", // RETURN_WARN_BUFFER_TOO_SMALL = 4 + "Load Error", // RETURN_LOAD_ERROR = 1 | MAX_BIT + "Invalid Parameter", // RETURN_INVALID_PARAMETER = 2 | MAX_BIT + "Unsupported", // RETURN_UNSUPPORTED = 3 | MAX_BIT + "Bad Buffer Size", // RETURN_BAD_BUFFER_SIZE = 4 | MAX_BIT + "Buffer Too Small", // RETURN_BUFFER_TOO_SMALL, = 5 | MAX_BIT + "Not Ready", // RETURN_NOT_READY = 6 | MAX_BIT + "Device Error", // RETURN_DEVICE_ERROR = 7 | MAX_BIT + "Write Protected", // RETURN_WRITE_PROTECTED = 8 | MAX_BIT + "Out of Resources", // RETURN_OUT_OF_RESOURCES = 9 | MAX_BIT + "Volume Corrupt", // RETURN_VOLUME_CORRUPTED = 10 | MAX_BIT + "Volume Full", // RETURN_VOLUME_FULL = 11 | MAX_BIT + "No Media", // RETURN_NO_MEDIA = 12 | MAX_BIT + "Media changed", // RETURN_MEDIA_CHANGED = 13 | MAX_BIT + "Not Found", // RETURN_NOT_FOUND = 14 | MAX_BIT + "Access Denied", // RETURN_ACCESS_DENIED = 15 | MAX_BIT + "No Response", // RETURN_NO_RESPONSE = 16 | MAX_BIT + "No mapping", // RETURN_NO_MAPPING = 17 | MAX_BIT + "Time out", // RETURN_TIMEOUT = 18 | MAX_BIT + "Not started", // RETURN_NOT_STARTED = 19 | MAX_BIT + "Already started", // RETURN_ALREADY_STARTED = 20 | MAX_BIT + "Aborted", // RETURN_ABORTED = 21 | MAX_BIT + "ICMP Error", // RETURN_ICMP_ERROR = 22 | MAX_BIT + "TFTP Error", // RETURN_TFTP_ERROR = 23 | MAX_BIT + "Protocol Error" // RETURN_PROTOCOL_ERROR = 24 | MAX_BIT +}; + +/** + 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 rountine 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 + of Format into. + @param BufferSize Maximum number of characters to put into buffer. + @param Flags Intial flags value. + Can only have FORMAT_UNICODE and OUTPUT_UNICODE set. + @param Format Null-terminated format string. + @param Marker Vararg list consumed by processing Format. + + @return Number of characters printed not including the Null-terminator. + +**/ +UINTN +BasePrintLibVSPrint ( + OUT CHAR8 *Buffer, + IN UINTN BufferSize, + IN UINTN Flags, + IN CONST CHAR8 *Format, + IN VA_LIST Marker + ) +{ + CHAR8 *OriginalBuffer; + CHAR8 *EndBuffer; + CHAR8 ValueBuffer[MAXIMUM_VALUE_CHARACTERS]; + UINTN BytesPerOutputCharacter; + UINTN BytesPerFormatCharacter; + UINTN FormatMask; + UINTN FormatCharacter; + UINTN Width; + UINTN Precision; + INT64 Value; + CONST CHAR8 *ArgumentString; + UINTN Character; + GUID *TmpGuid; + TIME *TmpTime; + UINTN Count; + UINTN ArgumentMask; + INTN BytesPerArgumentCharacter; + UINTN ArgumentCharacter; + BOOLEAN Done; + UINTN Index; + CHAR8 Prefix; + BOOLEAN ZeroPad; + BOOLEAN Comma; + UINTN Digits; + UINTN Radix; + RETURN_STATUS Status; + + if (BufferSize == 0) { + return 0; + } + ASSERT (Buffer != NULL); + + if ((Flags & OUTPUT_UNICODE) != 0) { + BytesPerOutputCharacter = 2; + } else { + BytesPerOutputCharacter = 1; + } + + // + // Reserve space for the Null terminator. + // + BufferSize--; + OriginalBuffer = Buffer; + // + // Set the tag for the end of the input Buffer. + // + EndBuffer = Buffer + BufferSize * BytesPerOutputCharacter; + + if ((Flags & FORMAT_UNICODE) != 0) { + // + // Make sure format string cannot contain more than PcdMaximumUnicodeStringLength + // Unicode characters if PcdMaximumUnicodeStringLength is not zero. + // + ASSERT (StrSize ((CHAR16 *) Format) != 0); + BytesPerFormatCharacter = 2; + FormatMask = 0xffff; + } else { + // + // Make sure format string cannot contain more than PcdMaximumAsciiStringLength + // Ascii characters if PcdMaximumAsciiStringLength is not zero. + // + ASSERT (AsciiStrSize (Format) != 0); + BytesPerFormatCharacter = 1; + FormatMask = 0xff; + } + + + + // + // Get the first character from the format string + // + FormatCharacter = (*Format | (*(Format + 1) << 8)) & FormatMask; + + // + // Loop until the end of the format string is reached or the output buffer is full + // + while (FormatCharacter != 0 && Buffer < EndBuffer) { + // + // Clear all the flag bits except those that may have been passed in + // + Flags &= (OUTPUT_UNICODE | FORMAT_UNICODE); + + // + // Set the default width to zero, and the default precision to 1 + // + Width = 0; + Precision = 1; + Prefix = 0; + Comma = FALSE; + ZeroPad = FALSE; + Count = 0; + Digits = 0; + + switch (FormatCharacter) { + case '%': + // + // Parse Flags and Width + // + for (Done = FALSE; !Done; ) { + Format += BytesPerFormatCharacter; + FormatCharacter = (*Format | (*(Format + 1) << 8)) & FormatMask; + switch (FormatCharacter) { + case '.': + Flags |= PRECISION; + break; + case '-': + Flags |= LEFT_JUSTIFY; + break; + case '+': + Flags |= PREFIX_SIGN; + break; + case ' ': + Flags |= PREFIX_BLANK; + break; + case ',': + Flags |= COMMA_TYPE; + break; + case 'L': + case 'l': + Flags |= LONG_TYPE; + break; + case '*': + if ((Flags & PRECISION) == 0) { + Flags |= PAD_TO_WIDTH; + Width = VA_ARG (Marker, UINTN); + } else { + Precision = VA_ARG (Marker, UINTN); + } + break; + case '0': + if ((Flags & PRECISION) == 0) { + Flags |= PREFIX_ZERO; + } + case '1': + case '2': + case '3': + case '4': + case '5': + case '6': + case '7': + case '8': + case '9': + for (Count = 0; ((FormatCharacter >= '0') && (FormatCharacter <= '9')); ){ + Count = (Count * 10) + FormatCharacter - '0'; + Format += BytesPerFormatCharacter; + FormatCharacter = (*Format | (*(Format + 1) << 8)) & FormatMask; + } + Format -= BytesPerFormatCharacter; + if ((Flags & PRECISION) == 0) { + Flags |= PAD_TO_WIDTH; + Width = Count; + } else { + Precision = Count; + } + break; + + case '\0': + // + // Make no output if Format string terminates unexpectedly when + // looking up for flag, width, precision and type. + // + Format -= BytesPerFormatCharacter; + Precision = 0; + // + // break skipped on purpose. + // + default: + Done = TRUE; + break; + } + } + + // + // Handle each argument type + // + switch (FormatCharacter) { + case 'p': + // + // Flag space, +, 0, L & l are invalid for type p. + // + Flags &= ~(PREFIX_BLANK | PREFIX_SIGN | PREFIX_ZERO | LONG_TYPE); + if (sizeof (VOID *) > 4) { + Flags |= LONG_TYPE; + } + case 'X': + Flags |= PREFIX_ZERO; + // + // break skipped on purpose + // + case 'x': + Flags |= RADIX_HEX; + // + // break skipped on purpose + // + case 'd': + if ((Flags & LONG_TYPE) == 0) { + Value = (VA_ARG (Marker, int)); + } else { + Value = VA_ARG (Marker, INT64); + } + if ((Flags & PREFIX_BLANK) != 0) { + Prefix = ' '; + } + if ((Flags & PREFIX_SIGN) != 0) { + Prefix = '+'; + } + if ((Flags & COMMA_TYPE) != 0) { + Comma = TRUE; + } + if ((Flags & RADIX_HEX) == 0) { + Radix = 10; + if (Comma) { + Flags &= (~PREFIX_ZERO); + Precision = 1; + } + if (Value < 0) { + Flags |= PREFIX_SIGN; + Prefix = '-'; + Value = -Value; + } + } else { + Radix = 16; + Comma = FALSE; + if ((Flags & LONG_TYPE) == 0 && Value < 0) { + Value = (unsigned int)Value; + } + } + // + // Convert Value to a reversed string + // + Count = BasePrintLibValueToString (ValueBuffer, Value, Radix); + if (Value == 0 && Precision == 0) { + Count = 0; + } + ArgumentString = (CHAR8 *)ValueBuffer + Count; + + Digits = Count % 3; + if (Digits != 0) { + Digits = 3 - Digits; + } + if (Comma && Count != 0) { + Count += ((Count - 1) / 3); + } + if (Prefix != 0) { + Count++; + Precision++; + } + Flags |= ARGUMENT_REVERSED; + ZeroPad = TRUE; + if ((Flags & PREFIX_ZERO) != 0) { + if ((Flags & LEFT_JUSTIFY) == 0) { + if ((Flags & PAD_TO_WIDTH) != 0) { + if ((Flags & PRECISION) == 0) { + Precision = Width; + } + } + } + } + break; + + case 's': + case 'S': + Flags |= ARGUMENT_UNICODE; + // + // break skipped on purpose + // + case 'a': + ArgumentString = (CHAR8 *)VA_ARG (Marker, CHAR8 *); + if (ArgumentString == NULL) { + Flags &= (~ARGUMENT_UNICODE); + ArgumentString = ""; + } + break; + + case 'c': + Character = VA_ARG (Marker, UINTN) & 0xffff; + ArgumentString = (CHAR8 *)&Character; + Flags |= ARGUMENT_UNICODE; + break; + + case 'g': + TmpGuid = VA_ARG (Marker, GUID *); + if (TmpGuid == NULL) { + ArgumentString = ""; + } else { + BasePrintLibSPrint ( + ValueBuffer, + MAXIMUM_VALUE_CHARACTERS, + 0, + "%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x", + TmpGuid->Data1, + TmpGuid->Data2, + TmpGuid->Data3, + TmpGuid->Data4[0], + TmpGuid->Data4[1], + TmpGuid->Data4[2], + TmpGuid->Data4[3], + TmpGuid->Data4[4], + TmpGuid->Data4[5], + TmpGuid->Data4[6], + TmpGuid->Data4[7] + ); + ArgumentString = ValueBuffer; + } + break; + + case 't': + TmpTime = VA_ARG (Marker, TIME *); + if (TmpTime == NULL) { + ArgumentString = ""; + } else { + BasePrintLibSPrint ( + ValueBuffer, + MAXIMUM_VALUE_CHARACTERS, + 0, + "%02d/%02d/%04d %02d:%02d", + TmpTime->Month, + TmpTime->Day, + TmpTime->Year, + TmpTime->Hour, + TmpTime->Minute + ); + ArgumentString = ValueBuffer; + } + break; + + case 'r': + Status = VA_ARG (Marker, RETURN_STATUS); + ArgumentString = ValueBuffer; + if (RETURN_ERROR (Status)) { + // + // Clear error bit + // + Index = Status & ~MAX_BIT; + if (Index > 0 && Index <= ERROR_STATUS_NUMBER) { + ArgumentString = StatusString [Index + WARNING_STATUS_NUMBER]; + } + } else { + Index = Status; + if (Index <= WARNING_STATUS_NUMBER) { + ArgumentString = StatusString [Index]; + } + } + if (ArgumentString == ValueBuffer) { + BasePrintLibSPrint ((CHAR8 *) ValueBuffer, MAXIMUM_VALUE_CHARACTERS, 0, "%08X", Status); + } + break; + + case '\n': + ArgumentString = "\n\r"; + break; + + case '%': + default: + // + // if the type is '%' or unknown, then print it to the screen + // + ArgumentString = (CHAR8 *)&FormatCharacter; + Flags |= ARGUMENT_UNICODE; + break; + } + break; + + case '\n': + ArgumentString = "\n\r"; + break; + + default: + ArgumentString = (CHAR8 *)&FormatCharacter; + Flags |= ARGUMENT_UNICODE; + break; + } + + // + // Retrieve the ArgumentString attriubutes + // + if ((Flags & ARGUMENT_UNICODE) != 0) { + ArgumentMask = 0xffff; + BytesPerArgumentCharacter = 2; + } else { + ArgumentMask = 0xff; + BytesPerArgumentCharacter = 1; + } + if ((Flags & ARGUMENT_REVERSED) != 0) { + BytesPerArgumentCharacter = -BytesPerArgumentCharacter; + } else { + // + // Compute the number of characters in ArgumentString and store it in Count + // ArgumentString is either null-terminated, or it contains Precision characters + // + for (Count = 0; Count < Precision || ((Flags & PRECISION) == 0); Count++) { + ArgumentCharacter = ((ArgumentString[Count * BytesPerArgumentCharacter] & 0xff) | ((ArgumentString[Count * BytesPerArgumentCharacter + 1]) << 8)) & ArgumentMask; + if (ArgumentCharacter == 0) { + break; + } + } + } + + if (Precision < Count) { + Precision = Count; + } + + // + // Pad before the string + // + if ((Flags & (PAD_TO_WIDTH | LEFT_JUSTIFY)) == (PAD_TO_WIDTH)) { + Buffer = BasePrintLibFillBuffer (Buffer, EndBuffer, Width - Precision, ' ', BytesPerOutputCharacter); + } + + if (ZeroPad) { + if (Prefix != 0) { + Buffer = BasePrintLibFillBuffer (Buffer, EndBuffer, 1, Prefix, BytesPerOutputCharacter); + } + Buffer = BasePrintLibFillBuffer (Buffer, EndBuffer, Precision - Count, '0', BytesPerOutputCharacter); + } else { + Buffer = BasePrintLibFillBuffer (Buffer, EndBuffer, Precision - Count, ' ', BytesPerOutputCharacter); + if (Prefix != 0) { + Buffer = BasePrintLibFillBuffer (Buffer, EndBuffer, 1, Prefix, BytesPerOutputCharacter); + } + } + + // + // Output the Prefix character if it is present + // + Index = 0; + if (Prefix != 0) { + Index++; + } + + // + // Copy the string into the output buffer performing the required type conversions + // + while (Index < Count) { + ArgumentCharacter = ((*ArgumentString & 0xff) | (*(ArgumentString + 1) << 8)) & ArgumentMask; + + Buffer = BasePrintLibFillBuffer (Buffer, EndBuffer, 1, ArgumentCharacter, BytesPerOutputCharacter); + ArgumentString += BytesPerArgumentCharacter; + Index++; + if (Comma) { + Digits++; + if (Digits == 3) { + Digits = 0; + Index++; + if (Index < Count) { + Buffer = BasePrintLibFillBuffer (Buffer, EndBuffer, 1, ',', BytesPerOutputCharacter); + } + } + } + } + + // + // Pad after the string + // + if ((Flags & (PAD_TO_WIDTH | LEFT_JUSTIFY)) == (PAD_TO_WIDTH | LEFT_JUSTIFY)) { + Buffer = BasePrintLibFillBuffer (Buffer, EndBuffer, Width - Precision, ' ', BytesPerOutputCharacter); + } + + // + // Get the next character from the format string + // + Format += BytesPerFormatCharacter; + + // + // Get the next character from the format string + // + FormatCharacter = (*Format | (*(Format + 1) << 8)) & FormatMask; + } + + // + // Null terminate the Unicode or ASCII string + // + BasePrintLibFillBuffer (Buffer, EndBuffer + BytesPerOutputCharacter, 1, 0, BytesPerOutputCharacter); + // + // Make sure output buffer cannot contain more than PcdMaximumUnicodeStringLength + // Unicode characters if PcdMaximumUnicodeStringLength is not zero. + // + ASSERT ((((Flags & OUTPUT_UNICODE) == 0)) || (StrSize ((CHAR16 *) OriginalBuffer) != 0)); + // + // Make sure output buffer cannot contain more than PcdMaximumAsciiStringLength + // ASCII characters if PcdMaximumAsciiStringLength is not zero. + // + ASSERT ((((Flags & OUTPUT_UNICODE) != 0)) || (AsciiStrSize (OriginalBuffer) != 0)); + + return ((Buffer - OriginalBuffer) / BytesPerOutputCharacter); +} + +/** + 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 + this is the main print working routine. + + @param Buffer Character buffer to print the results of the parsing + of Format into. + @param BufferSize Maximum number of characters to put into buffer. + Zero means no limit. + @param Flags Intial flags value. + Can only have FORMAT_UNICODE and OUTPUT_UNICODE set + @param FormatString Null-terminated format string. + + @return Number of characters printed not including the Null-terminator. + +**/ +UINTN +BasePrintLibSPrint ( + OUT CHAR8 *StartOfBuffer, + IN UINTN BufferSize, + IN UINTN Flags, + IN CONST CHAR8 *FormatString, + ... + ) +{ + VA_LIST Marker; + + VA_START (Marker, FormatString); + return BasePrintLibVSPrint (StartOfBuffer, BufferSize, Flags, FormatString, Marker); +} + +/** + 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 number of Unicode characters in the produced output buffer is returned not including + the Null-terminator. + If BufferSize is 0 or 1, then no output buffer is produced and 0 is returned. + + If BufferSize > 1 and StartOfBuffer is NULL, then ASSERT(). + If BufferSize > 1 and StartOfBuffer is not aligned on a 16-bit boundary, then ASSERT(). + If BufferSize > 1 and FormatString is NULL, then ASSERT(). + If BufferSize > 1 and FormatString is not aligned on a 16-bit boundary, then ASSERT(). + If PcdMaximumUnicodeStringLength is not zero, and FormatString contains more than + PcdMaximumUnicodeStringLength Unicode characters not including the Null-terminator, then + ASSERT(). + If PcdMaximumUnicodeStringLength is not zero, and produced Null-terminated Unicode string + contains more than PcdMaximumUnicodeStringLength Unicode characters not including the + Null-terminator, then ASSERT(). + + @param StartOfBuffer A pointer 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 The number of Unicode characters in the produced output buffer not including the + Null-terminator. + +**/ +UINTN +EFIAPI +UnicodeVSPrint ( + OUT CHAR16 *StartOfBuffer, + IN UINTN BufferSize, + IN CONST CHAR16 *FormatString, + IN VA_LIST Marker + ) +{ + ASSERT_UNICODE_BUFFER(StartOfBuffer); + ASSERT_UNICODE_BUFFER(FormatString); + return BasePrintLibVSPrint ((CHAR8 *)StartOfBuffer, BufferSize >> 1, FORMAT_UNICODE | OUTPUT_UNICODE, (CHAR8 *)FormatString, 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 number of Unicode characters in the produced output buffer is returned not including + the Null-terminator. + If BufferSize is 0 or 1, then no output buffer is produced and 0 is returned. + + If BufferSize > 1 and StartOfBuffer is NULL, then ASSERT(). + If BufferSize > 1 and StartOfBuffer is not aligned on a 16-bit boundary, then ASSERT(). + If BufferSize > 1 and FormatString is NULL, then ASSERT(). + If BufferSize > 1 and FormatString is not aligned on a 16-bit boundary, then ASSERT(). + If PcdMaximumUnicodeStringLength is not zero, and FormatString contains more than + PcdMaximumUnicodeStringLength Unicode characters not including the Null-terminator, then + ASSERT(). + If PcdMaximumUnicodeStringLength is not zero, and produced Null-terminated Unicode string + contains more than PcdMaximumUnicodeStringLength Unicode characters not including the + Null-terminator, then ASSERT(). + + @param StartOfBuffer A pointer 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 The number of Unicode characters in the produced output buffer not including the + Null-terminator. + +**/ +UINTN +EFIAPI +UnicodeSPrint ( + OUT CHAR16 *StartOfBuffer, + IN UINTN BufferSize, + IN CONST CHAR16 *FormatString, + ... + ) +{ + VA_LIST Marker; + + VA_START (Marker, FormatString); + return UnicodeVSPrint (StartOfBuffer, BufferSize, FormatString, Marker); +} + +/** + 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 number of Unicode characters in the produced output buffer is returned not including + the Null-terminator. + If BufferSize is 0 or 1, then no output buffer is produced and 0 is returned. + + If BufferSize > 1 and StartOfBuffer is NULL, then ASSERT(). + If BufferSize > 1 and StartOfBuffer is not aligned on a 16-bit boundary, then ASSERT(). + If BufferSize > 1 and FormatString is NULL, then ASSERT(). + If PcdMaximumAsciiStringLength is not zero, and FormatString contains more than + PcdMaximumAsciiStringLength ASCII characters not including the Null-terminator, then + ASSERT(). + If PcdMaximumUnicodeStringLength is not zero, and produced Null-terminated Unicode string + contains more than PcdMaximumUnicodeStringLength Unicode characters not including the + Null-terminator, then ASSERT(). + + @param StartOfBuffer A pointer 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 The number of Unicode characters in the produced output buffer not including the + Null-terminator. + +**/ +UINTN +EFIAPI +UnicodeVSPrintAsciiFormat ( + OUT CHAR16 *StartOfBuffer, + IN UINTN BufferSize, + IN CONST CHAR8 *FormatString, + IN VA_LIST Marker + ) +{ + ASSERT_UNICODE_BUFFER(StartOfBuffer); + return BasePrintLibVSPrint ((CHAR8 *)StartOfBuffer, BufferSize >> 1, OUTPUT_UNICODE,FormatString, 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 number of Unicode characters in the produced output buffer is returned not including + the Null-terminator. + If BufferSize is 0 or 1, then no output buffer is produced and 0 is returned. + + If BufferSize > 1 and StartOfBuffer is NULL, then ASSERT(). + If BufferSize > 1 and StartOfBuffer is not aligned on a 16-bit boundary, then ASSERT(). + If BufferSize > 1 and FormatString is NULL, then ASSERT(). + If PcdMaximumAsciiStringLength is not zero, and FormatString contains more than + PcdMaximumAsciiStringLength ASCII characters not including the Null-terminator, then + ASSERT(). + If PcdMaximumUnicodeStringLength is not zero, and produced Null-terminated Unicode string + contains more than PcdMaximumUnicodeStringLength Unicode characters not including the + Null-terminator, then ASSERT(). + + @param StartOfBuffer A pointer 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 The number of Unicode characters in the produced output buffer not including the + Null-terminator. + +**/ +UINTN +EFIAPI +UnicodeSPrintAsciiFormat ( + OUT CHAR16 *StartOfBuffer, + IN UINTN BufferSize, + IN CONST CHAR8 *FormatString, + ... + ) +{ + VA_LIST Marker; + + VA_START (Marker, FormatString); + return UnicodeVSPrintAsciiFormat (StartOfBuffer, BufferSize, FormatString, Marker); +} + +/** + 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. No padding of spaces + is ever performed. If Width is 0 then a width of MAXIMUM_VALUE_CHARACTERS is assumed. + The number of Unicode characters in Buffer is returned not including the Null-terminator. + 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 HEX_RADIX is set in Flags, then the output buffer will be + formatted in hexadecimal format. + If Value is < 0 and HEX_RADIX is not set in Flags, 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 both COMMA_TYPE and HEX_RADIX are set in Flags, then ASSERT(). + If Buffer is NULL, then ASSERT(). + If Buffer is not aligned on a 16-bit boundary, then ASSERT(). + If unsupported bits are set in Flags, then ASSERT(). + If both COMMA_TYPE and HEX_RADIX 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, not including + the Null-terminator. + + @return The number of Unicode characters in Buffer not including the Null-terminator. + +**/ +UINTN +EFIAPI +UnicodeValueToString ( + IN OUT CHAR16 *Buffer, + IN UINTN Flags, + IN INT64 Value, + IN UINTN Width + ) +{ + ASSERT_UNICODE_BUFFER(Buffer); + return BasePrintLibConvertValueToString ((CHAR8 *)Buffer, Flags, Value, Width, 2); +} + +/** + 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 number of ASCII characters in the produced output buffer is returned not including + the Null-terminator. + If BufferSize is 0, then no output buffer is produced and 0 is returned. + + If BufferSize > 0 and StartOfBuffer is NULL, then ASSERT(). + If BufferSize > 0 and FormatString is NULL, then ASSERT(). + If PcdMaximumAsciiStringLength is not zero, and FormatString contains more than + PcdMaximumAsciiStringLength ASCII characters not including the Null-terminator, then + ASSERT(). + If PcdMaximumAsciiStringLength is not zero, and produced Null-terminated ASCII string + contains more than PcdMaximumAsciiStringLength ASCII characters not including the + Null-terminator, then ASSERT(). + + @param StartOfBuffer A pointer 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 The number of ASCII characters in the produced output buffer not including the + Null-terminator. + +**/ +UINTN +EFIAPI +AsciiVSPrint ( + OUT CHAR8 *StartOfBuffer, + IN UINTN BufferSize, + IN CONST CHAR8 *FormatString, + IN VA_LIST Marker + ) +{ + return BasePrintLibVSPrint (StartOfBuffer, BufferSize, 0, FormatString, 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 number of ASCII characters in the produced output buffer is returned not including + the Null-terminator. + If BufferSize is 0, then no output buffer is produced and 0 is returned. + + If BufferSize > 0 and StartOfBuffer is NULL, then ASSERT(). + If BufferSize > 0 and FormatString is NULL, then ASSERT(). + If PcdMaximumAsciiStringLength is not zero, and FormatString contains more than + PcdMaximumAsciiStringLength ASCII characters not including the Null-terminator, then + ASSERT(). + If PcdMaximumAsciiStringLength is not zero, and produced Null-terminated ASCII string + contains more than PcdMaximumAsciiStringLength ASCII characters not including the + Null-terminator, then ASSERT(). + + @param StartOfBuffer A pointer 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 The number of ASCII characters in the produced output buffer not including the + Null-terminator. + +**/ +UINTN +EFIAPI +AsciiSPrint ( + OUT CHAR8 *StartOfBuffer, + IN UINTN BufferSize, + IN CONST CHAR8 *FormatString, + ... + ) +{ + VA_LIST Marker; + + VA_START (Marker, FormatString); + return AsciiVSPrint (StartOfBuffer, BufferSize, FormatString, Marker); +} + +/** + 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 number of ASCII characters in the produced output buffer is returned not including + the Null-terminator. + If BufferSize is 0, then no output buffer is produced and 0 is returned. + + If BufferSize > 0 and StartOfBuffer is NULL, then ASSERT(). + If BufferSize > 0 and FormatString is NULL, then ASSERT(). + If BufferSize > 0 and FormatString is not aligned on a 16-bit boundary, then ASSERT(). + If PcdMaximumUnicodeStringLength is not zero, and FormatString contains more than + PcdMaximumUnicodeStringLength Unicode characters not including the Null-terminator, then + ASSERT(). + If PcdMaximumAsciiStringLength is not zero, and produced Null-terminated ASCII string + contains more than PcdMaximumAsciiStringLength ASCII characters not including the + Null-terminator, then ASSERT(). + + @param StartOfBuffer A pointer 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 The number of ASCII characters in the produced output buffer not including the + Null-terminator. + +**/ +UINTN +EFIAPI +AsciiVSPrintUnicodeFormat ( + OUT CHAR8 *StartOfBuffer, + IN UINTN BufferSize, + IN CONST CHAR16 *FormatString, + IN VA_LIST Marker + ) +{ + ASSERT_UNICODE_BUFFER (FormatString); + return BasePrintLibVSPrint (StartOfBuffer, BufferSize, FORMAT_UNICODE, (CHAR8 *)FormatString, 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 number of ASCII characters in the produced output buffer is returned not including + the Null-terminator. + If BufferSize is 0, then no output buffer is produced and 0 is returned. + + If BufferSize > 0 and StartOfBuffer is NULL, then ASSERT(). + If BufferSize > 0 and FormatString is NULL, then ASSERT(). + If BufferSize > 0 and FormatString is not aligned on a 16-bit boundary, then ASSERT(). + If PcdMaximumUnicodeStringLength is not zero, and FormatString contains more than + PcdMaximumUnicodeStringLength Unicode characters not including the Null-terminator, then + ASSERT(). + If PcdMaximumAsciiStringLength is not zero, and produced Null-terminated ASCII string + contains more than PcdMaximumAsciiStringLength ASCII characters not including the + Null-terminator, then ASSERT(). + + @param StartOfBuffer A pointer 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 The number of ASCII characters in the produced output buffer not including the + Null-terminator. + +**/ +UINTN +EFIAPI +AsciiSPrintUnicodeFormat ( + OUT CHAR8 *StartOfBuffer, + IN UINTN BufferSize, + IN CONST CHAR16 *FormatString, + ... + ) +{ + VA_LIST Marker; + + VA_START (Marker, FormatString); + return AsciiVSPrintUnicodeFormat (StartOfBuffer, BufferSize, FormatString, Marker); +} + + +/** + 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. No padding of spaces + is ever performed. + If Width is 0 then a width of MAXIMUM_VALUE_CHARACTERS is assumed. + The number of ASCII characters in Buffer is returned not including the Null-terminator. + 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 HEX_RADIX is set in Flags, then the output buffer will be + formatted in hexadecimal format. + If Value is < 0 and HEX_RADIX is not set in Flags, 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 both COMMA_TYPE and HEX_RADIX 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, not including + the Null-terminator. + + @return The number of ASCII characters in Buffer not including the Null-terminator. + +**/ +UINTN +EFIAPI +AsciiValueToString ( + IN OUT CHAR8 *Buffer, + IN UINTN Flags, + IN INT64 Value, + IN UINTN Width + ) +{ + return BasePrintLibConvertValueToString (Buffer, Flags, Value, Width, 1); +} + diff --git a/MdePkg/Library/BasePrintLib/PrintLibInternal.c b/MdePkg/Library/BasePrintLib/PrintLibInternal.c new file mode 100644 index 0000000000..72c05e4dc5 --- /dev/null +++ b/MdePkg/Library/BasePrintLib/PrintLibInternal.c @@ -0,0 +1,214 @@ +/** @file + Print Library worker functions. + + Copyright (c) 2006 - 2007, 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: PrintLibInternal.c + +**/ + +// +// Include common header file for this module. +// +#include "CommonHeader.h" + +#include "PrintLibInternal.h" + +GLOBAL_REMOVE_IF_UNREFERENCED CONST CHAR8 mHexStr[] = {'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'}; + + +/** + 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 Count of character to be placed into Buffer. + @param Character Character to be placed into Buffer. + @param Increment Character increment in Buffer. + + @return Number of characters printed. + +**/ +CHAR8 * +BasePrintLibFillBuffer ( + CHAR8 *Buffer, + CHAR8 *EndBuffer, + INTN Length, + UINTN Character, + INTN Increment + ) +{ + INTN Index; + + for (Index = 0; Index < Length && Buffer < EndBuffer; Index++) { + *Buffer = (CHAR8) Character; + *(Buffer + 1) = (CHAR8) (Character >> 8); + Buffer += Increment; + } + return Buffer; +} + +/** + Internal function that convert a decimal number to a string in Buffer. + + Print worker function that convert a decimal number to a 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 Radix Radix of the value + + @return Number of characters printed. + +**/ +UINTN +EFIAPI +BasePrintLibValueToString ( + IN OUT CHAR8 *Buffer, + IN INT64 Value, + IN UINTN Radix + ) +{ + UINTN Digits; + UINT32 Remainder; + + // + // Loop to convert one digit at a time in reverse order + // + *(Buffer++) = 0; + Digits = 0; + do { + Value = (INT64)DivU64x32Remainder ((UINT64)Value, (UINT32)Radix, &Remainder); + *(Buffer++) = mHexStr[Remainder]; + Digits++; + } while (Value != 0); + return Digits; +} + +/** + 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 number of characters in Buffer is returned not including the Null-terminator. + 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 HEX_RADIX is set in Flags, then the output buffer will be formatted in hexadecimal format. + If Value is < 0 and HEX_RADIX is not set in Flags, 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 both COMMA_TYPE and HEX_RADIX are set in Flags, then ASSERT(). + + 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 + 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 The number of characters in Buffer not including the Null-terminator. + +**/ +UINTN +BasePrintLibConvertValueToString ( + IN OUT CHAR8 *Buffer, + IN UINTN Flags, + IN INT64 Value, + IN UINTN Width, + IN UINTN Increment + ) +{ + CHAR8 *OriginalBuffer; + CHAR8 *EndBuffer; + CHAR8 ValueBuffer[MAXIMUM_VALUE_CHARACTERS]; + UINTN Count; + UINTN Digits; + UINTN Index; + UINTN Radix; + + ASSERT (Buffer != NULL); + ASSERT (Width < MAXIMUM_VALUE_CHARACTERS); + // + // Make sure Flags can only contain supported bits. + // + ASSERT ((Flags & ~(LEFT_JUSTIFY | COMMA_TYPE | PREFIX_ZERO | RADIX_HEX)) == 0); + + // + // If both COMMA_TYPE and HEX_RADIX are set, then ASSERT () + // + ASSERT (((Flags & COMMA_TYPE) != 0 && (Flags & RADIX_HEX) != 0) == FALSE); + + OriginalBuffer = Buffer; + + if (Width == 0 || (Flags & COMMA_TYPE) != 0) { + Flags &= (~PREFIX_ZERO); + } + + if (Width == 0) { + Width = MAXIMUM_VALUE_CHARACTERS - 1; + } + // + // Set the tag for the end of the input Buffer. + // + EndBuffer = Buffer + Width * Increment; + + if ((Value < 0) && ((Flags & RADIX_HEX) == 0)) { + Value = -Value; + Buffer = BasePrintLibFillBuffer (Buffer, EndBuffer, 1, '-', Increment); + Width--; + } + + Radix = ((Flags & RADIX_HEX) == 0)? 10 : 16; + Count = BasePrintLibValueToString (ValueBuffer, Value, Radix); + + if ((Flags & PREFIX_ZERO) != 0) { + Buffer = BasePrintLibFillBuffer (Buffer, EndBuffer, Width - Count, '0', Increment); + } + + Digits = Count % 3; + if (Digits != 0) { + Digits = 3 - Digits; + } + for (Index = 0; Index < Count; Index++) { + Buffer = BasePrintLibFillBuffer (Buffer, EndBuffer, 1, ValueBuffer[Count - Index], Increment); + if ((Flags & COMMA_TYPE) != 0) { + Digits++; + if (Digits == 3) { + Digits = 0; + if ((Index + 1) < Count) { + Buffer = BasePrintLibFillBuffer (Buffer, EndBuffer, 1, ',', Increment); + } + } + } + } + + BasePrintLibFillBuffer (Buffer, EndBuffer + Increment, 1, 0, Increment); + + return ((Buffer - OriginalBuffer) / Increment); +} + diff --git a/MdePkg/Library/BasePrintLib/PrintLibInternal.h b/MdePkg/Library/BasePrintLib/PrintLibInternal.h new file mode 100644 index 0000000000..164de3c3d0 --- /dev/null +++ b/MdePkg/Library/BasePrintLib/PrintLibInternal.h @@ -0,0 +1,206 @@ +/** @file + Print Library Internal Functions. + + Copyright (c) 2006 - 2007, 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: PrintLibInternal.h + +**/ + +#ifndef __PRINT_LIB_INTERNAL_H +#define __PRINT_LIB_INTERNAL_H + +// +// Include common header file for this module. +// +#include "CommonHeader.h" + +// +// 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 + +// +// 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 rountine 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 + of Format into. + @param BufferSize Maximum number of characters to put into buffer. + @param Flags Intial flags value. + Can only have FORMAT_UNICODE and OUTPUT_UNICODE set. + @param Format Null-terminated format string. + @param Marker Vararg list consumed by processing Format. + + @return Number of characters printed not including the Null-terminator. + +**/ +UINTN +BasePrintLibVSPrint ( + OUT CHAR8 *Buffer, + IN UINTN BufferSize, + IN UINTN Flags, + IN CONST CHAR8 *Format, + IN VA_LIST Marker + ); + +/** + 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 + this is the main print working routine + + @param Buffer Character buffer to print the results of the parsing + of Format into. + @param BufferSize Maximum number of characters to put into buffer. + Zero means no limit. + @param Flags Intial flags value. + Can only have FORMAT_UNICODE and OUTPUT_UNICODE set + @param FormatString Null-terminated format string. + + @return Number of characters printed. + +**/ +UINTN +BasePrintLibSPrint ( + OUT CHAR8 *Buffer, + 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 Count of character to be placed into Buffer. + @param Character Character to be placed into Buffer. + @param Increment Character increment in Buffer. + + @return Number of characters printed. + +**/ +CHAR8 * +BasePrintLibFillBuffer ( + CHAR8 *Buffer, + CHAR8 *EndBuffer, + INTN Length, + UINTN Character, + INTN Increment + ); + +/** + Internal function that convert a decimal number to a string in Buffer. + + Print worker function that convert a decimal number to a 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 Radix Radix of the value + + @return Number of characters printed. + +**/ +UINTN +EFIAPI +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 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 + ); + +#endif -- cgit v1.2.3