+++ /dev/null
-/*++\r
-\r
-Copyright (c) 2004, Intel Corporation. All rights reserved.<BR>\r
-This program and the accompanying materials \r
-are licensed and made available under the terms and conditions of the BSD License \r
-which accompanies this distribution. The full text of the license may be found at \r
-http://opensource.org/licenses/bsd-license.php \r
- \r
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r
-\r
-Module Name:\r
-\r
- BoxDraw.c\r
-\r
-Abstract:\r
- Lib functions to support Box Draw Unicode code pages.\r
-\r
-\r
-\r
-Revision History\r
-\r
---*/\r
-\r
-#include "Tiano.h"\r
-#include "EfiDriverLib.h"\r
-\r
-\r
-\r
-typedef struct {\r
- CHAR16 Unicode;\r
- CHAR8 PcAnsi;\r
- CHAR8 Ascii;\r
-} UNICODE_TO_CHAR;\r
-\r
-\r
-//\r
-// This list is used to define the valid extend chars.\r
-// It also provides a mapping from Unicode to PCANSI or\r
-// ASCII. The ASCII mapping we just made up.\r
-//\r
-//\r
-\r
-static UNICODE_TO_CHAR UnicodeToPcAnsiOrAscii[] = {\r
- {BOXDRAW_HORIZONTAL, 0xc4, L'-'}, \r
- {BOXDRAW_VERTICAL, 0xb3, L'|'},\r
- {BOXDRAW_DOWN_RIGHT, 0xda, L'/'},\r
- {BOXDRAW_DOWN_LEFT, 0xbf, L'\\'},\r
- {BOXDRAW_UP_RIGHT, 0xc0, L'\\'},\r
- {BOXDRAW_UP_LEFT, 0xd9, L'/'},\r
- {BOXDRAW_VERTICAL_RIGHT, 0xc3, L'|'},\r
- {BOXDRAW_VERTICAL_LEFT, 0xb4, L'|'},\r
- {BOXDRAW_DOWN_HORIZONTAL, 0xc2, L'+'},\r
- {BOXDRAW_UP_HORIZONTAL, 0xc1, L'+'},\r
- {BOXDRAW_VERTICAL_HORIZONTAL, 0xc5, L'+'},\r
- {BOXDRAW_DOUBLE_HORIZONTAL, 0xcd, L'-'},\r
- {BOXDRAW_DOUBLE_VERTICAL, 0xba, L'|'},\r
- {BOXDRAW_DOWN_RIGHT_DOUBLE, 0xd5, L'/'},\r
- {BOXDRAW_DOWN_DOUBLE_RIGHT, 0xd6, L'/'},\r
- {BOXDRAW_DOUBLE_DOWN_RIGHT, 0xc9, L'/'},\r
- {BOXDRAW_DOWN_LEFT_DOUBLE, 0xb8, L'\\'},\r
- {BOXDRAW_DOWN_DOUBLE_LEFT, 0xb7, L'\\'},\r
- {BOXDRAW_DOUBLE_DOWN_LEFT, 0xbb, L'\\'},\r
- {BOXDRAW_UP_RIGHT_DOUBLE, 0xd4, L'\\'},\r
- {BOXDRAW_UP_DOUBLE_RIGHT, 0xd3, L'\\'},\r
- {BOXDRAW_DOUBLE_UP_RIGHT, 0xc8, L'\\'},\r
- {BOXDRAW_UP_LEFT_DOUBLE, 0xbe, L'/'},\r
- {BOXDRAW_UP_DOUBLE_LEFT, 0xbd, L'/'},\r
- {BOXDRAW_DOUBLE_UP_LEFT, 0xbc, L'/'},\r
- {BOXDRAW_VERTICAL_RIGHT_DOUBLE, 0xc6, L'|'},\r
- {BOXDRAW_VERTICAL_DOUBLE_RIGHT, 0xc7, L'|'},\r
- {BOXDRAW_DOUBLE_VERTICAL_RIGHT, 0xcc, L'|'},\r
- {BOXDRAW_VERTICAL_LEFT_DOUBLE, 0xb5, L'|'},\r
- {BOXDRAW_VERTICAL_DOUBLE_LEFT, 0xb6, L'|'},\r
- {BOXDRAW_DOUBLE_VERTICAL_LEFT, 0xb9, L'|'},\r
- {BOXDRAW_DOWN_HORIZONTAL_DOUBLE, 0xd1, L'+'},\r
- {BOXDRAW_DOWN_DOUBLE_HORIZONTAL, 0xd2, L'+'},\r
- {BOXDRAW_DOUBLE_DOWN_HORIZONTAL, 0xcb, L'+'},\r
- {BOXDRAW_UP_HORIZONTAL_DOUBLE, 0xcf, L'+'},\r
- {BOXDRAW_UP_DOUBLE_HORIZONTAL, 0xd0, L'+'},\r
- {BOXDRAW_DOUBLE_UP_HORIZONTAL, 0xca, L'+'},\r
- {BOXDRAW_VERTICAL_HORIZONTAL_DOUBLE, 0xd8, L'+'},\r
- {BOXDRAW_VERTICAL_DOUBLE_HORIZONTAL, 0xd7, L'+'},\r
- {BOXDRAW_DOUBLE_VERTICAL_HORIZONTAL, 0xce, L'+'},\r
-\r
- {BLOCKELEMENT_FULL_BLOCK, 0xdb, L'*'},\r
- {BLOCKELEMENT_LIGHT_SHADE, 0xb0, L'+'},\r
-\r
- {GEOMETRICSHAPE_UP_TRIANGLE, 0x1e, L'^'},\r
- {GEOMETRICSHAPE_RIGHT_TRIANGLE, 0x10, L'>'},\r
- {GEOMETRICSHAPE_DOWN_TRIANGLE, 0x1f, L'v'},\r
- {GEOMETRICSHAPE_LEFT_TRIANGLE, 0x11, L'<'},\r
-\r
- {ARROW_LEFT, 0x3c, L'<'},\r
-\r
- {ARROW_UP, 0x18, L'^'},\r
-\r
- {ARROW_RIGHT, 0x3e, L'>'},\r
-\r
- {ARROW_DOWN, 0x19, L'v'},\r
- \r
- {0x0000, 0x00, L'\0'},\r
-};\r
-\r
-\r
-BOOLEAN\r
-LibIsValidTextGraphics (\r
- IN CHAR16 Graphic,\r
- OUT CHAR8 *PcAnsi, OPTIONAL\r
- OUT CHAR8 *Ascii OPTIONAL\r
- )\r
-/*++\r
-\r
-Routine Description:\r
-\r
- Detects if a Unicode char is for Box Drawing text graphics.\r
-\r
-Arguments:\r
-\r
- Graphic - Unicode char to test.\r
-\r
- PcAnsi - Optional pointer to return PCANSI equivalent of Graphic.\r
-\r
- Asci - Optional pointer to return Ascii equivalent of Graphic.\r
-\r
-Returns:\r
-\r
- TRUE if Gpaphic is a supported Unicode Box Drawing character.\r
-\r
---*/\r
-{\r
- UNICODE_TO_CHAR *Table;\r
-\r
- if ((((Graphic & 0xff00) != 0x2500) && ((Graphic & 0xff00) != 0x2100))) {\r
- \r
- //\r
- // Unicode drawing code charts are all in the 0x25xx range, \r
- // arrows are 0x21xx\r
- //\r
- return FALSE;\r
- }\r
-\r
- for (Table = UnicodeToPcAnsiOrAscii; Table->Unicode != 0x0000; Table++) {\r
- if (Graphic == Table->Unicode) {\r
- if (PcAnsi != NULL) {\r
- *PcAnsi = Table->PcAnsi; \r
- }\r
- if (Ascii != NULL) {\r
- *Ascii = Table->Ascii;\r
- }\r
- return TRUE;\r
- }\r
- }\r
- return FALSE;\r
-}\r
-\r
-\r
-BOOLEAN\r
-IsValidAscii (\r
- IN CHAR16 Ascii\r
- )\r
-/*++\r
-\r
-Routine Description:\r
-\r
- Is it valid ascii char? \r
-\r
-Arguments:\r
-\r
- Ascii - The char to check\r
-\r
-Returns: \r
-\r
- TRUE - Is a ascii char\r
- FALSE - Not a ascii char\r
-\r
---*/\r
-{\r
- if ((Ascii >= 0x20) && (Ascii <= 0x7f)) {\r
- return TRUE;\r
- } \r
- return FALSE;\r
-}\r
-\r
-\r
-BOOLEAN\r
-IsValidEfiCntlChar (\r
- IN CHAR16 CharC\r
- )\r
-/*++\r
-\r
-Routine Description:\r
-\r
- Is it valid EFI control char? \r
-\r
-Arguments:\r
-\r
- CharC - The char to check\r
-\r
-Returns: \r
-\r
- TRUE - Is a valid EFI control char\r
- FALSE - Not a valid EFI control char\r
-\r
---*/\r
-{\r
- if (CharC == CHAR_NULL || CharC == CHAR_BACKSPACE || CharC == CHAR_LINEFEED || CharC == CHAR_CARRIAGE_RETURN) {\r
- return TRUE;\r
- } \r
- return FALSE;\r
-}\r
-\r
projects / mirror_edk2.git / blobdiff