--- /dev/null
+/*++\r
+\r
+Copyright (c) 2006, Intel Corporation\r
+All rights reserved. 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
+ UnicodeCollationEng.c\r
+\r
+Abstract:\r
+\r
+ Unicode Collation Protocol (English)\r
+\r
+Revision History\r
+\r
+--*/\r
+\r
+\r
+#include "UnicodeCollationEng.h"\r
+\r
+CHAR8 mEngUpperMap[0x100];\r
+CHAR8 mEngLowerMap[0x100];\r
+CHAR8 mEngInfoMap[0x100];\r
+\r
+CHAR8 mOtherChars[] = {\r
+ '0',\r
+ '1',\r
+ '2',\r
+ '3',\r
+ '4',\r
+ '5',\r
+ '6',\r
+ '7',\r
+ '8',\r
+ '9',\r
+ '\\',\r
+ '.',\r
+ '_',\r
+ '^',\r
+ '$',\r
+ '~',\r
+ '!',\r
+ '#',\r
+ '%',\r
+ '&',\r
+ '-',\r
+ '{',\r
+ '}',\r
+ '(',\r
+ ')',\r
+ '@',\r
+ '`',\r
+ '\'',\r
+ '\0'\r
+};\r
+\r
+EFI_HANDLE mHandle = NULL;\r
+\r
+EFI_UNICODE_COLLATION_PROTOCOL UnicodeEng = {\r
+ EngStriColl,\r
+ EngMetaiMatch,\r
+ EngStrLwr,\r
+ EngStrUpr,\r
+ EngFatToStr,\r
+ EngStrToFat,\r
+ "eng"\r
+};\r
+\r
+//\r
+//\r
+//\r
+EFI_STATUS\r
+InitializeUnicodeCollationEng (\r
+ IN EFI_HANDLE ImageHandle,\r
+ IN EFI_SYSTEM_TABLE *SystemTable\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+ Initializes the Unicode Collation Driver\r
+\r
+Arguments:\r
+\r
+ ImageHandle -\r
+\r
+ SystemTable -\r
+\r
+Returns:\r
+\r
+ EFI_SUCCESS\r
+ EFI_OUT_OF_RESOURCES\r
+\r
+--*/\r
+{\r
+ UINTN Index;\r
+ UINTN Index2;\r
+\r
+ //\r
+ // Initialize mapping tables for the supported languages\r
+ //\r
+ for (Index = 0; Index < 0x100; Index++) {\r
+ mEngUpperMap[Index] = (CHAR8) Index;\r
+ mEngLowerMap[Index] = (CHAR8) Index;\r
+ mEngInfoMap[Index] = 0;\r
+\r
+ if ((Index >= 'a' && Index <= 'z') || (Index >= 0xe0 && Index <= 0xf6) || (Index >= 0xf8 && Index <= 0xfe)) {\r
+\r
+ Index2 = Index - 0x20;\r
+ mEngUpperMap[Index] = (CHAR8) Index2;\r
+ mEngLowerMap[Index2] = (CHAR8) Index;\r
+\r
+ mEngInfoMap[Index] |= CHAR_FAT_VALID;\r
+ mEngInfoMap[Index2] |= CHAR_FAT_VALID;\r
+ }\r
+ }\r
+\r
+ for (Index = 0; mOtherChars[Index]; Index++) {\r
+ Index2 = mOtherChars[Index];\r
+ mEngInfoMap[Index2] |= CHAR_FAT_VALID;\r
+ }\r
+ //\r
+ // Create a handle for the device\r
+ //\r
+ return gBS->InstallProtocolInterface (\r
+ &mHandle,\r
+ &gEfiUnicodeCollationProtocolGuid,\r
+ EFI_NATIVE_INTERFACE,\r
+ &UnicodeEng\r
+ );\r
+}\r
+\r
+INTN\r
+EFIAPI\r
+EngStriColl (\r
+ IN EFI_UNICODE_COLLATION_PROTOCOL *This,\r
+ IN CHAR16 *s1,\r
+ IN CHAR16 *s2\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+ Performs a case-insensitive comparison of two Null-terminated Unicode strings.\r
+\r
+Arguments:\r
+\r
+ This\r
+ s1\r
+ s2\r
+\r
+Returns:\r
+\r
+--*/\r
+{\r
+ while (*s1) {\r
+ if (ToUpper (*s1) != ToUpper (*s2)) {\r
+ break;\r
+ }\r
+\r
+ s1 += 1;\r
+ s2 += 1;\r
+ }\r
+\r
+ return ToUpper (*s1) - ToUpper (*s2);\r
+}\r
+\r
+VOID\r
+EFIAPI\r
+EngStrLwr (\r
+ IN EFI_UNICODE_COLLATION_PROTOCOL *This,\r
+ IN OUT CHAR16 *Str\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+ Converts all the Unicode characters in a Null-terminated Unicode string\r
+ to lower case Unicode characters.\r
+\r
+Arguments:\r
+\r
+ This - A pointer to the EFI_UNICODE_COLLATION_PROTOCOL instance.\r
+ Str1 - A pointer to a Null-terminated Unicode string.\r
+ Str2 - A pointer to a Null-terminated Unicode string.\r
+\r
+Returns:\r
+\r
+ 0 - s1 is equivalent to s2.\r
+ > 0 - s1 is lexically greater than s2.\r
+ < 0 - s1 is lexically less than s2.\r
+\r
+--*/\r
+{\r
+ while (*Str) {\r
+ *Str = ToLower (*Str);\r
+ Str += 1;\r
+ }\r
+}\r
+\r
+VOID\r
+EFIAPI\r
+EngStrUpr (\r
+ IN EFI_UNICODE_COLLATION_PROTOCOL *This,\r
+ IN OUT CHAR16 *Str\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+ Converts all the Unicode characters in a Null-terminated\r
+ Unicode string to upper case Unicode characters.\r
+\r
+Arguments:\r
+ This\r
+ Str\r
+\r
+Returns:\r
+ None\r
+\r
+--*/\r
+{\r
+ while (*Str) {\r
+ *Str = ToUpper (*Str);\r
+ Str += 1;\r
+ }\r
+}\r
+\r
+BOOLEAN\r
+EFIAPI\r
+EngMetaiMatch (\r
+ IN EFI_UNICODE_COLLATION_PROTOCOL *This,\r
+ IN CHAR16 *String,\r
+ IN CHAR16 *Pattern\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+ Performs a case-insensitive comparison between a Null-terminated\r
+ Unicode pattern string and a Null-terminated Unicode string.\r
+\r
+ The pattern string can use the '?' wildcard to match any character,\r
+ and the '*' wildcard to match any sub-string.\r
+\r
+Arguments:\r
+\r
+ This - A pointer to the EFI_UNICODE_COLLATION_PROTOCOL instance.\r
+ String - A pointer to a Null-terminated Unicode string.\r
+ Pattern - A pointer to a Null-terminated Unicode pattern string.\r
+\r
+Returns:\r
+\r
+ TRUE - Pattern was found in String.\r
+ FALSE - Pattern was not found in String.\r
+\r
+--*/\r
+{\r
+ CHAR16 CharC;\r
+ CHAR16 CharP;\r
+ CHAR16 Index3;\r
+\r
+ for (;;) {\r
+ CharP = *Pattern;\r
+ Pattern += 1;\r
+\r
+ switch (CharP) {\r
+ case 0:\r
+ //\r
+ // End of pattern. If end of string, TRUE match\r
+ //\r
+ if (*String) {\r
+ return FALSE;\r
+ } else {\r
+ return TRUE;\r
+ }\r
+\r
+ case '*':\r
+ //\r
+ // Match zero or more chars\r
+ //\r
+ while (*String) {\r
+ if (EngMetaiMatch (This, String, Pattern)) {\r
+ return TRUE;\r
+ }\r
+\r
+ String += 1;\r
+ }\r
+\r
+ return EngMetaiMatch (This, String, Pattern);\r
+\r
+ case '?':\r
+ //\r
+ // Match any one char\r
+ //\r
+ if (!*String) {\r
+ return FALSE;\r
+ }\r
+\r
+ String += 1;\r
+ break;\r
+\r
+ case '[':\r
+ //\r
+ // Match char set\r
+ //\r
+ CharC = *String;\r
+ if (!CharC) {\r
+ //\r
+ // syntax problem\r
+ //\r
+ return FALSE;\r
+ }\r
+\r
+ Index3 = 0;\r
+ CharP = *Pattern++;\r
+ while (CharP) {\r
+ if (CharP == ']') {\r
+ return FALSE;\r
+ }\r
+\r
+ if (CharP == '-') {\r
+ //\r
+ // if range of chars, get high range\r
+ //\r
+ CharP = *Pattern;\r
+ if (CharP == 0 || CharP == ']') {\r
+ //\r
+ // syntax problem\r
+ //\r
+ return FALSE;\r
+ }\r
+\r
+ if (ToUpper (CharC) >= ToUpper (Index3) && ToUpper (CharC) <= ToUpper (CharP)) {\r
+ //\r
+ // if in range, it's a match\r
+ //\r
+ break;\r
+ }\r
+ }\r
+\r
+ Index3 = CharP;\r
+ if (ToUpper (CharC) == ToUpper (CharP)) {\r
+ //\r
+ // if char matches\r
+ //\r
+ break;\r
+ }\r
+\r
+ CharP = *Pattern++;\r
+ }\r
+ //\r
+ // skip to end of match char set\r
+ //\r
+ while (CharP && CharP != ']') {\r
+ CharP = *Pattern;\r
+ Pattern += 1;\r
+ }\r
+\r
+ String += 1;\r
+ break;\r
+\r
+ default:\r
+ CharC = *String;\r
+ if (ToUpper (CharC) != ToUpper (CharP)) {\r
+ return FALSE;\r
+ }\r
+\r
+ String += 1;\r
+ break;\r
+ }\r
+ }\r
+}\r
+\r
+VOID\r
+EFIAPI\r
+EngFatToStr (\r
+ IN EFI_UNICODE_COLLATION_PROTOCOL *This,\r
+ IN UINTN FatSize,\r
+ IN CHAR8 *Fat,\r
+ OUT CHAR16 *String\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+ Converts an 8.3 FAT file name using an OEM character set\r
+ to a Null-terminated Unicode string.\r
+\r
+ BUGBUG: Function has to expand DBCS FAT chars, currently not.\r
+\r
+Arguments:\r
+ This\r
+ FatSize\r
+ Fat\r
+ String\r
+\r
+Returns:\r
+\r
+--*/\r
+{\r
+ //\r
+ // No DBCS issues, just expand and add null terminate to end of string\r
+ //\r
+ while (*Fat && FatSize) {\r
+ *String = *Fat;\r
+ String += 1;\r
+ Fat += 1;\r
+ FatSize -= 1;\r
+ }\r
+\r
+ *String = 0;\r
+}\r
+\r
+BOOLEAN\r
+EFIAPI\r
+EngStrToFat (\r
+ IN EFI_UNICODE_COLLATION_PROTOCOL *This,\r
+ IN CHAR16 *String,\r
+ IN UINTN FatSize,\r
+ OUT CHAR8 *Fat\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+ Converts a Null-terminated Unicode string to legal characters\r
+ in a FAT filename using an OEM character set.\r
+\r
+ Functions has to crunch string to a fat string. Replacing\r
+ any chars that can't be represented in the fat name.\r
+\r
+Arguments:\r
+ This\r
+ String\r
+ FatSize\r
+ Fat\r
+\r
+Returns:\r
+ TRUE\r
+ FALSE\r
+--*/\r
+{\r
+ BOOLEAN SpecialCharExist;\r
+\r
+ SpecialCharExist = FALSE;\r
+ while (*String && FatSize) {\r
+ //\r
+ // Skip '.' or ' ' when making a fat name\r
+ //\r
+ if (*String != '.' && *String != ' ') {\r
+ //\r
+ // If this is a valid fat char, move it.\r
+ // Otherwise, move a '_' and flag the fact that the name needs an Lfn\r
+ //\r
+ if (*String < 0x100 && (mEngInfoMap[*String] & CHAR_FAT_VALID)) {\r
+ *Fat = mEngUpperMap[*String];\r
+ } else {\r
+ *Fat = '_';\r
+ SpecialCharExist = TRUE;\r
+ }\r
+\r
+ Fat += 1;\r
+ FatSize -= 1;\r
+ }\r
+\r
+ String += 1;\r
+ }\r
+ //\r
+ // Do not terminate that fat string\r
+ //\r
+ return SpecialCharExist;\r
+}\r
projects / mirror_edk2.git / blobdiff