fthelper.cpp

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// $Id: fthelper.cpp 1282 2006-06-09 09:46:49Z alex $
// Implementation of the FlareTemplateHelper class
/* @@tag:xara-cn@@ DO NOT MODIFY THIS LINE
================================XARAHEADERSTART===========================
 
               Xara LX, a vector drawing and manipulation program.
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----------------------------------

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=================================XARAHEADEREND============================
 */

#include "camtypes.h"

#include "fthelper.h"
#include "fileutil.h"
//#include "ccfile.h" - in camtypes.h [AUTOMATICALLY REMOVED]
#define NO_CAMTYPES
#include "templman.h"   // Scary bits

#include "txtmacro.h"   // MFC/ATL text converion macros
//#include "resource.h" // out of memory error
//#include "filtrres.h"

extern "C"
{
//  const IID IID_IFTManipulator = {0x31A6E651,0xEBA2,0x11D0,{0x8C,0x33,0x00,0xA0,0x24,0x72,0x9D,0xDE}};
    const IID IID_IFTManipulator = {0x7B14A5DD,0xAA72,0x403b,{0xB0,0x1C,0x12,0x56,0xCA,0xF6,0x9D,0x67}};
//  const CLSID CLSID_FTManipulator = {0x31A6E652,0xEBA2,0x11D0,{0x8C,0x33,0x00,0xA0,0x24,0x72,0x9D,0xDE}};
    const CLSID CLSID_FTManipulator = {0x424C099D,0x6A26,0x4fea,{0xA5,0x66,0x45,0xCD,0xB0,0xEF,0x06,0x94}};
}


//-----------------------------------------------

// This will get Camelot to display the filename and linenumber of any memory allocations
// that are not released at program exit
#define new CAM_DEBUG_NEW

/********************************************************************************************

>   CCLexFile* FlareTemplateHelper::ConvertFile(CCLexFile* pFile)

    Author:     Gerry_Iles (Xara Group Ltd) <camelotdev@xara.com>
    Created:    09/07/97
    Purpose:    Default constructor
    SeeAlso:    -

********************************************************************************************/

CCLexFile* FlareTemplateHelper::ConvertFile(CCLexFile* pFile)
{
    ERROR2IF(pFile == NULL, FALSE, "NULL file in FTHelper::ConvertFile");

    String_256 InputFile = pFile->GetPathName().GetPath();

    if (InputFile.IsEmpty())
        return(NULL);

    BSTR pInputName = T2BSTR((TCHAR*)InputFile);
    if (pInputName == NULL)
    {
        Error::SetError(_R(IDS_OUT_OF_MEMORY));
        return(NULL);
    }

    HRESULT hr = S_OK;
    CCDiskFile* pNewFile = NULL;

    IFTManipulator* pTemplMan = CreateTemplMan();
    if (pTemplMan != NULL)
    {
        // Initialise the manipulator object
        HRESULT hr = pTemplMan->Init(pInputName);
        if (SUCCEEDED(hr))
        {
            PathName TempPath = FileUtil::GetTemporaryPathName();
            String_256 OutFile = TempPath.GetPath();
            if (!OutFile.IsEmpty())
            {
                // Get file name as a BSTR
                BSTR pOutputName = T2BSTR((TCHAR*)OutFile);
                // And process it (will fail if NULL)
                hr = pTemplMan->ProcessTemplateToFile(pOutputName);
                if (SUCCEEDED(hr))
                {
                    // Create a default diskfile
                    pNewFile = new CCDiskFile();
                    if (pNewFile != NULL)
                    {
                        if (!pNewFile->open(TempPath, ios::in | ios::binary))
                        {
                            // If we failed then delete the file
                            // and set the pointer to NULL for return
                            delete pNewFile;
                            pNewFile = NULL;
                        }
                    }
                }
                SysFreeString(pOutputName);
            }
        }
        // Release the interface
        pTemplMan->Release();
        pTemplMan = NULL;
    }

    if (FAILED(hr))
    {
        SetHResultError(hr);        // set the error
        ERROR3IF(pNewFile != NULL, "ConvertFile failed but created new file");
    }

    // Free the input BSTR
    SysFreeString(pInputName);

    return(pNewFile);
}


/********************************************************************************************

>   static IFTManipulator* FlareTemplateHelper::CreateTemplMan(void)

    Author:     Gerry_Iles (Xara Group Ltd) <camelotdev@xara.com>
    Created:    09/07/97
    Returns:    IFTManipulator pointer or NULL if error
    Purpose:    Creates a FlareTemplateManipulator object
    Errors:     

********************************************************************************************/

IFTManipulator* FlareTemplateHelper::CreateTemplMan(void)
{
    IFTManipulator* pTemplMan = NULL;
        
    // Create an FTManipulator object
    HRESULT hr = CoCreateInstance(CLSID_FTManipulator,
                                    NULL,
                                    CLSCTX_INPROC_SERVER,
                                    IID_IFTManipulator,
                                    (void**)&pTemplMan);

    if (SUCCEEDED(hr))
    {
        return(pTemplMan);
    }
    else
    {
        SetHResultError(hr);
        return(NULL);
    }
}

/********************************************************************************************

>   static void FlareTemplateHelper::SetHResultError(HRESULT hr)

    Author:     Gerry_Iles (Xara Group Ltd) <camelotdev@xara.com>
    Created:    09/07/97
    Purpose:    Sets an error from a TemplMan error HRESULT

********************************************************************************************/

void FlareTemplateHelper::SetHResultError(HRESULT hr)
{
    if (SUCCEEDED(hr))
        return;

    INT32 ErrorID = _R(IDS_TEMPLMAN_BAD_TEMPLATE);  // Default error
    INT32 PostFixID = 0;

    switch (hr)
    {
        case REGDB_E_CLASSNOTREG:
            ErrorID = _R(IDS_TEMPLMAN_NOT_INSTALLED);
            break;
    
        case E_OUTOFMEMORY:
            ErrorID = _R(IDS_OUT_OF_MEMORY);
            break;

        case E_BADTEMPLATE:
            break;

        case E_BADRECORD:
            {
                PostFixID = _R(IDS_TEMPLMAN_BAD_RECORD);
                break;
            }
        case E_BADDATAITEM:
            {
                PostFixID = _R(IDS_TEMPLMAN_BAD_DATA_ITEM);
                break;
            }
        default:
            {
                Error::SetError(_R(IDS_NOT_A_FLARETEMPLATE_FILE));
                return;
            }
    }

    String_256 strError;

    if (!strError.Load(ErrorID))            // Try to load the string
    {
        Error::SetError(ErrorID);           // Just set the error if it fails
        return;
    }

    if (PostFixID != 0)
    {
        String_256 strPostFix;
        if (!strPostFix.Load(PostFixID))    // Load the postfix string
        {
            Error::SetError(ErrorID);       // Just set the error if it fails
            return;
        }
        strError += strPostFix;             // and append it
    }

    // And set the error
    Error::SetError(ErrorID, strError, 0);      // Why doesn't the module param default to 0
}

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