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[mirror_edk2.git] / EdkCompatibilityPkg / Compatibility / FrameworkHiiOnUefiHiiThunk / Strings.c

/** @file\r
  This file implements the protocol functions related to string package.\r
  \r
Copyright (c) 2006 - 2012, 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
**/\r
\r
\r
#include "HiiDatabase.h"\r
\r
/**\r
  Test if all of the characters in a string have corresponding font characters.\r
\r
  This is a deprecated API. No Framework HII module is calling it. This function will ASSERT and\r
  return EFI_UNSUPPORTED.\r
\r
  @param This            A pointer to the EFI_HII_PROTOCOL instance.\r
  @param StringToTest    A pointer to a Unicode string.\r
  @param FirstMissing    A pointer to an index into the string. On input, the index of \r
                         the first character in the StringToTest to examine. On exit, the index \r
                         of the first character encountered for which a glyph is unavailable. \r
                         If all glyphs in the string are available, the index is the index of the terminator \r
                         of the string. \r
  @param GlyphBufferSize A pointer to a value. On output, if the function returns EFI_SUCCESS, \r
                         it contains the amount of memory that is required to store the string? glyph equivalent.\r
\r
  @retval EFI_UNSUPPORTED  The function performs nothing and return EFI_UNSUPPORTED.\r
**/\r
EFI_STATUS\r
EFIAPI\r
HiiTestString (\r
  IN     EFI_HII_PROTOCOL   *This,\r
  IN     CHAR16             *StringToTest,\r
  IN OUT UINT32             *FirstMissing,\r
  OUT    UINT32             *GlyphBufferSize\r
  )\r
{\r
  ASSERT (FALSE);\r
  \r
  return EFI_UNSUPPORTED;\r
}\r
\r
\r
/**\r
  Find the corressponding TAG GUID from a Framework HII Handle given.\r
\r
  @param Private      The HII Thunk Module Private context.\r
  @param FwHiiHandle  The Framemwork HII Handle.\r
  @param TagGuid      The output of TAG GUID found.\r
\r
  @return NULL        If Framework HII Handle is invalid.\r
  @return The corresponding HII Thunk Context.\r
**/\r
EFI_STATUS\r
GetTagGuidByFwHiiHandle (\r
  IN  CONST HII_THUNK_PRIVATE_DATA      *Private,\r
  IN        FRAMEWORK_EFI_HII_HANDLE    FwHiiHandle,\r
  OUT       EFI_GUID                    *TagGuid\r
  )\r
{\r
  LIST_ENTRY                                *Link;\r
  HII_THUNK_CONTEXT                          *ThunkContext;\r
\r
  ASSERT (TagGuid != NULL);\r
\r
  Link = GetFirstNode (&Private->ThunkContextListHead);\r
  while (!IsNull (&Private->ThunkContextListHead, Link)) {\r
\r
    ThunkContext = HII_THUNK_CONTEXT_FROM_LINK (Link);\r
\r
    if (FwHiiHandle == ThunkContext->FwHiiHandle) {\r
      CopyGuid (TagGuid, &ThunkContext->TagGuid);\r
      return EFI_SUCCESS;\r
    }\r
\r
    Link = GetNextNode (&Private->ThunkContextListHead, Link);\r
  }\r
\r
  return EFI_NOT_FOUND;\r
}\r
\r
/**\r
  Create or update the String given a new string and String ID.\r
\r
  @param ThunkContext           The Thunk Context.\r
  @param Rfc4646AsciiLanguage   The RFC 4646 Language code in ASCII string format.\r
  @param NewString              The new string.\r
  @param StringId               The String ID. If StringId is 0, a new String Token\r
                                is created. Otherwise, the String Token StringId is \r
                                updated.\r
                                \r
\r
  @retval EFI_SUCCESS           The new string is created or updated successfully. \r
                                The new String Token ID is returned in StringId if\r
                                *StringId is 0 on input.\r
  @return Others                The update of string failed.                                  \r
  \r
**/\r
EFI_STATUS\r
UpdateString (\r
  IN CONST HII_THUNK_CONTEXT        *ThunkContext,\r
  IN CONST CHAR8                    *Rfc4646AsciiLanguage,\r
  IN       CHAR16                   *NewString,\r
  IN OUT STRING_REF                 *StringId\r
  )\r
{\r
  EFI_STRING_ID                             NewStringId;\r
\r
  NewStringId = HiiSetString (ThunkContext->UefiHiiHandle, *StringId, NewString, Rfc4646AsciiLanguage);\r
  *StringId = NewStringId;\r
  if (NewStringId == 0) {\r
    //\r
    // Only EFI_INVALID_PARAMETER is defined in HII 0.92 specification.\r
    //\r
    return EFI_INVALID_PARAMETER;\r
  } else {\r
    return EFI_SUCCESS;\r
  }\r
}\r
\r
/**\r
  Create or update a String Token in a String Package.\r
\r
  If *Reference == 0, a new String Token is created.\r
\r
  @param This            A pointer to the EFI_HII_PROTOCOL instance.\r
  @param Language        Pointer to a NULL-terminated string containing a single ISO 639-2 language\r
                         identifier, indicating the language to print. A string consisting of\r
                         all spaces indicates that the string is applicable to all languages.\r
  @param Handle          The handle of the language pack to which the string is to be added.\r
  @param Reference       The string token assigned to the string.\r
  @param NewString       The string to be added.\r
\r
\r
  @retval EFI_SUCCESS             The string was effectively registered.\r
  @retval EFI_INVALID_PARAMETER   The Handle was unknown. The string is not created or updated in the\r
                                  the string package.\r
**/\r
EFI_STATUS\r
EFIAPI\r
HiiNewString (\r
  IN     EFI_HII_PROTOCOL           *This,\r
  IN     CHAR16                     *Language,\r
  IN     FRAMEWORK_EFI_HII_HANDLE   Handle,\r
  IN OUT STRING_REF                 *Reference,\r
  IN     CHAR16                     *NewString\r
  )\r
{\r
  EFI_STATUS                                Status;\r
  HII_THUNK_PRIVATE_DATA                    *Private;\r
  EFI_GUID                                  TagGuid;\r
  LIST_ENTRY                                *Link;\r
  HII_THUNK_CONTEXT                          *ThunkContext;\r
  HII_THUNK_CONTEXT                          *StringPackThunkContext;\r
  EFI_STRING_ID                             StringId;\r
  EFI_STRING_ID                             LastStringId;\r
  CHAR8                                     AsciiLanguage[ISO_639_2_ENTRY_SIZE + 1];\r
  CHAR16                                    LanguageCopy[ISO_639_2_ENTRY_SIZE + 1];\r
  CHAR8                                     *Rfc4646AsciiLanguage;\r
\r
  LastStringId      = (EFI_STRING_ID) 0;\r
  StringId          = (EFI_STRING_ID) 0;\r
  Rfc4646AsciiLanguage = NULL;\r
\r
  if (Language != NULL) {\r
    ZeroMem (AsciiLanguage, sizeof (AsciiLanguage));;\r
    ZeroMem (LanguageCopy, sizeof (LanguageCopy));\r
    CopyMem (LanguageCopy, Language, ISO_639_2_ENTRY_SIZE * sizeof (CHAR16));\r
    UnicodeStrToAsciiStr (LanguageCopy, AsciiLanguage);\r
    Rfc4646AsciiLanguage = ConvertLanguagesIso639ToRfc4646 (AsciiLanguage);\r
    ASSERT (Rfc4646AsciiLanguage != NULL);\r
  }\r
\r
  Private = HII_THUNK_PRIVATE_DATA_FROM_THIS(This);\r
\r
  StringPackThunkContext = FwHiiHandleToThunkContext (Private, Handle);\r
  if (StringPackThunkContext == NULL) {\r
    return EFI_INVALID_PARAMETER;\r
  }\r
\r
  if (StringPackThunkContext->SharingStringPack) {\r
    Status = GetTagGuidByFwHiiHandle (Private, Handle, &TagGuid);\r
    ASSERT_EFI_ERROR (Status);\r
\r
    Link = GetFirstNode (&Private->ThunkContextListHead);\r
    while (!IsNull (&Private->ThunkContextListHead, Link)) {\r
      ThunkContext = HII_THUNK_CONTEXT_FROM_LINK (Link);\r
\r
      if (CompareGuid (&TagGuid, &ThunkContext->TagGuid)) {\r
        if (ThunkContext->SharingStringPack) {\r
          StringId = *Reference;\r
          Status = UpdateString (ThunkContext, Rfc4646AsciiLanguage, NewString, &StringId);\r
          if (EFI_ERROR (Status)) {\r
            break;\r
          }\r
          \r
          DEBUG_CODE_BEGIN ();\r
          if (*Reference == 0) {\r
            //\r
            // When creating new string token, make sure all created token is the same\r
            // for all string packages registered using FW HII interface.\r
            //\r
            if (LastStringId == (EFI_STRING_ID) 0) {\r
              LastStringId = StringId;\r
            } else {\r
              if (LastStringId != StringId) {\r
                ASSERT(FALSE);\r
              }\r
            }\r
          }\r
          DEBUG_CODE_END ();\r
          \r
        }\r
      }\r
\r
      Link = GetNextNode (&Private->ThunkContextListHead, Link);\r
    }\r
  } else {\r
    StringId = *Reference;\r
    Status = UpdateString (StringPackThunkContext, Rfc4646AsciiLanguage, NewString, &StringId);\r
  }\r
\r
  if (!EFI_ERROR (Status)) {\r
    if (*Reference == 0) {\r
      *Reference = StringId;\r
    }\r
  } else {\r
    //\r
    // Only EFI_INVALID_PARAMETER is defined in HII 0.92 specification.\r
    //\r
    Status = EFI_INVALID_PARAMETER;\r
  }\r
  \r
  return Status;\r
}\r
\r
/**\r
  This function removes any new strings that were added after the initial string export for this handle.\r
  UEFI HII String Protocol does not have Reset String function. This function perform nothing.\r
\r
  @param This            A pointer to the EFI_HII_PROTOCOL instance.\r
  @param Handle          The HII handle on which the string resides.\r
\r
  @retval EFI_SUCCESS    This function is a NOP and always return EFI_SUCCESS.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
HiiResetStrings (\r
  IN     EFI_HII_PROTOCOL   *This,\r
  IN     FRAMEWORK_EFI_HII_HANDLE      Handle\r
  )\r
{\r
  return EFI_SUCCESS;\r
}\r
\r
/**\r
 This function extracts a string from a package already registered with the EFI HII database.\r
\r
  @param This            A pointer to the EFI_HII_PROTOCOL instance.\r
  @param Handle          The HII handle on which the string resides.\r
  @param Token           The string token assigned to the string.\r
  @param Raw             If TRUE, the string is returned unedited in the internal storage format described\r
                         above. If false, the string returned is edited by replacing <cr> with <space>\r
                         and by removing special characters such as the <wide> prefix.\r
  @param LanguageString  Pointer to a NULL-terminated string containing a single ISO 639-2 language\r
                         identifier, indicating the language to print. If the LanguageString is empty (starts\r
                         with a NULL), the default system language will be used to determine the language.\r
  @param BufferLength    Length of the StringBuffer. If the status reports that the buffer width is too\r
                         small, this parameter is filled with the length of the buffer needed.\r
  @param StringBuffer    The buffer designed to receive the characters in the string. Type EFI_STRING is\r
                         defined in String.\r
\r
  @retval EFI_INVALID_PARAMETER If input parameter is invalid.\r
  @retval EFI_BUFFER_TOO_SMALL  If the *BufferLength is too small.\r
  @retval EFI_SUCCESS           Operation is successful.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
HiiThunkGetString (\r
  IN     EFI_HII_PROTOCOL           *This,\r
  IN     FRAMEWORK_EFI_HII_HANDLE   Handle,\r
  IN     STRING_REF                 Token,\r
  IN     BOOLEAN                    Raw,\r
  IN     CHAR16                     *LanguageString,\r
  IN OUT UINTN                      *BufferLength,\r
  OUT    EFI_STRING                 StringBuffer\r
  )\r
{\r
  HII_THUNK_PRIVATE_DATA                *Private;\r
  CHAR8                                 *Iso639AsciiLanguage;\r
  CHAR8                                 *Rfc4646AsciiLanguage;\r
  CHAR8                                 *SupportedLanguages;\r
  CHAR8                                 *PlatformLanguage;\r
  CHAR8                                 *BestLanguage;\r
  EFI_HII_HANDLE                        UefiHiiHandle;\r
  EFI_STATUS                            Status;\r
\r
  Private = HII_THUNK_PRIVATE_DATA_FROM_THIS(This);\r
\r
  Rfc4646AsciiLanguage = NULL;\r
  SupportedLanguages   = NULL;\r
  PlatformLanguage     = NULL;\r
  Status               = EFI_SUCCESS;\r
\r
  if (LanguageString != NULL) {\r
    Iso639AsciiLanguage = AllocateZeroPool (StrLen (LanguageString) + 1);\r
    if (Iso639AsciiLanguage == NULL) {\r
      return EFI_OUT_OF_RESOURCES;\r
    }\r
    UnicodeStrToAsciiStr  (LanguageString, Iso639AsciiLanguage);\r
\r
    //\r
    // Caller of Framework HII Interface uses the Language Identification String defined \r
    // in Iso639. So map it to the Language Identifier defined in RFC4646.\r
    //\r
    Rfc4646AsciiLanguage = ConvertLanguagesIso639ToRfc4646 (Iso639AsciiLanguage);\r
    FreePool (Iso639AsciiLanguage);\r
\r
    //\r
    // If Rfc4646AsciiLanguage is NULL, more language mapping must be added to \r
    // Iso639ToRfc4646Map.\r
    //\r
    ASSERT (Rfc4646AsciiLanguage != NULL);\r
  }\r
\r
  UefiHiiHandle = FwHiiHandleToUefiHiiHandle (Private, Handle);\r
  if (UefiHiiHandle == NULL) {\r
    Status = EFI_NOT_FOUND;\r
    goto Done;\r
  }\r
\r
  //\r
  // Get the languages that the package specified by HiiHandle supports\r
  //\r
  SupportedLanguages = HiiGetSupportedLanguages (UefiHiiHandle);\r
  if (SupportedLanguages == NULL) {\r
    goto Done;\r
  }\r
\r
  //\r
  // Get the current platform language setting\r
  //\r
  GetEfiGlobalVariable2 (L"PlatformLang", (VOID**)&PlatformLanguage, NULL);\r
\r
  //\r
  // Get the best matching language from SupportedLanguages\r
  //\r
  BestLanguage = GetBestLanguage (\r
                   SupportedLanguages, \r
                   FALSE,                // RFC 4646 mode\r
                   (Rfc4646AsciiLanguage != NULL) ? Rfc4646AsciiLanguage : "", // Highest priority \r
                   (PlatformLanguage != NULL) ? PlatformLanguage : "",         // Next highest priority\r
                   SupportedLanguages,   // Lowest priority \r
                   NULL\r
                   );\r
  if (BestLanguage != NULL) {\r
    Status = mHiiStringProtocol->GetString (\r
                                 mHiiStringProtocol,\r
                                 BestLanguage,\r
                                 UefiHiiHandle,\r
                                 Token,\r
                                 StringBuffer,\r
                                 BufferLength,\r
                                 NULL\r
                                 );\r
    FreePool (BestLanguage);\r
  } else {\r
    Status = EFI_INVALID_PARAMETER;\r
  }\r
\r
Done:\r
	if (Rfc4646AsciiLanguage != NULL) {\r
    FreePool (Rfc4646AsciiLanguage);\r
  }\r
\r
  if (SupportedLanguages != NULL) {\r
    FreePool (SupportedLanguages);\r
  }\r
\r
  if (PlatformLanguage != NULL) {\r
    FreePool (PlatformLanguage);\r
  }\r
  return Status;\r
}\r
\r
/**\r
\r
  This function allows a program to extract a part of a string of not more than a given width.\r
  With repeated calls, this allows a calling program to extract "lines" of text that fit inside\r
  columns.  The effort of measuring the fit of strings inside columns is localized to this call.\r
\r
  This is a deprecated API. No Framework HII module is calling it. This function will ASSERT and\r
  return EFI_UNSUPPORTED.\r
\r
  @param This            A pointer to the EFI_HII_PROTOCOL instance.\r
  @param Handle          The HII handle on which the string resides.\r
  @param Token           The string token assigned to the string.\r
  @param Index           On input, the offset into the string where the line is to start.\r
                         On output, the index is updated to point to beyond the last character returned\r
                         in the call.\r
  @param LineWidth       The maximum width of the line in units of narrow glyphs.\r
  @param LanguageString  Pointer to a NULL-terminated string containing a single ISO 639-2 language\r
                         identifier, indicating the language to print. If the LanguageString is empty (starts\r
                         with a NULL), the default system language will be used to determine the language.\r
  @param BufferLength    Length of the StringBuffer. If the status reports that the buffer width is too\r
                         small, this parameter is filled with the length of the buffer needed.\r
  @param StringBuffer    The buffer designed to receive the characters in the string. Type EFI_STRING is\r
                         defined in String.\r
\r
  @retval EFI_UNSUPPORTED.\r
**/\r
EFI_STATUS\r
EFIAPI\r
HiiGetLine (\r
  IN     EFI_HII_PROTOCOL           *This,\r
  IN     FRAMEWORK_EFI_HII_HANDLE   Handle,\r
  IN     STRING_REF                 Token,\r
  IN OUT UINT16                     *Index,\r
  IN     UINT16                     LineWidth,\r
  IN     CHAR16                     *LanguageString,\r
  IN OUT UINT16                     *BufferLength,\r
  OUT    EFI_STRING                 StringBuffer\r
  )\r
{\r
  ASSERT (FALSE);\r
  return EFI_UNSUPPORTED;\r
}\r
\r
\r