Get PCD name. @param[in] OnlyTokenSpaceName If TRUE, only need to get the TokenSpaceCName. If FALSE, need to get the full PCD name. @param[in] Database PCD database. @param[in] TokenNumber The PCD token number. @return The TokenSpaceCName or full PCD name. **/
| 81 | @return The TokenSpaceCName or full PCD name. |
| 82 | **/ |
| 83 | CHAR8 * |
| 84 | GetPcdName ( |
| 85 | IN BOOLEAN OnlyTokenSpaceName, |
| 86 | IN PEI_PCD_DATABASE *Database, |
| 87 | IN UINTN TokenNumber |
| 88 | ) |
| 89 | { |
| 90 | UINT8 *StringTable; |
| 91 | UINTN NameSize; |
| 92 | PCD_NAME_INDEX *PcdNameIndex; |
| 93 | CHAR8 *TokenSpaceName; |
| 94 | CHAR8 *PcdName; |
| 95 | CHAR8 *Name; |
| 96 | |
| 97 | // |
| 98 | // Return NULL when PCD name table is absent. |
| 99 | // |
| 100 | if (Database->PcdNameTableOffset == 0) { |
| 101 | return NULL; |
| 102 | } |
| 103 | |
| 104 | // |
| 105 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER. |
| 106 | // We have to decrement TokenNumber by 1 to make it usable |
| 107 | // as the array index. |
| 108 | // |
| 109 | TokenNumber--; |
| 110 | |
| 111 | StringTable = (UINT8 *) Database + Database->StringTableOffset; |
| 112 | |
| 113 | // |
| 114 | // Get the PCD name index. |
| 115 | // |
| 116 | PcdNameIndex = (PCD_NAME_INDEX *)((UINT8 *) Database + Database->PcdNameTableOffset) + TokenNumber; |
| 117 | TokenSpaceName = (CHAR8 *)&StringTable[PcdNameIndex->TokenSpaceCNameIndex]; |
| 118 | PcdName = (CHAR8 *)&StringTable[PcdNameIndex->PcdCNameIndex]; |
| 119 | |
| 120 | if (OnlyTokenSpaceName) { |
| 121 | // |
| 122 | // Only need to get the TokenSpaceCName. |
| 123 | // |
| 124 | Name = AllocateCopyPool(AsciiStrSize (TokenSpaceName), TokenSpaceName); |
| 125 | } else { |
| 126 | // |
| 127 | // Need to get the full PCD name. |
| 128 | // |
| 129 | NameSize = AsciiStrSize (TokenSpaceName) + AsciiStrSize (PcdName); |
| 130 | Name = AllocateZeroPool(NameSize); |
| 131 | ASSERT (Name != NULL); |
| 132 | // |
| 133 | // Catenate TokenSpaceCName and PcdCName with a '.' to form the full PCD name. |
| 134 | // |
| 135 | AsciiStrCatS (Name, NameSize, TokenSpaceName); |
| 136 | Name[AsciiStrSize (TokenSpaceName) - sizeof (CHAR8)] = '.'; |
| 137 | AsciiStrCatS (Name, NameSize, PcdName); |
| 138 | } |
| 139 | |
| 140 | return Name; |
no test coverage detected