gboolean
psiconv_read_header (GsfInput *input)
{
gboolean res = FALSE;
psiconv_buffer buf = NULL;
psiconv_config config;
if ((config = psiconv_config_default()) == NULL)
goto out;
config->verbosity = PSICONV_VERB_FATAL;
psiconv_config_read(NULL,&config);
if ((buf = psiconv_stream_to_buffer (input, 1024)) == NULL)
goto out;
if (psiconv_file_type(config, buf,NULL,NULL) == psiconv_sheet_file)
res = TRUE;
out:
if (config)
psiconv_config_free(config);
if (buf)
psiconv_buffer_free(buf);
return res;
}
/*!
* Check whether this is a Psion file of the given type
*
* This is used by the recognizeContents methods of the Word and TextEd
* sniffers.
* \return Psion files have strong magic, so we either return
* UT_CONFIDENCE_PERFECT or UT_CONFIDENCE_ZILCH.
*/
UT_Confidence_t IE_Imp_Psion_Sniffer::checkContents(const char * szBuf,
UT_uint32 iNumbytes,
psiconv_file_type_t filetype)
{
UT_uint32 i;
psiconv_config config;
psiconv_buffer pl;
psiconv_file_type_t filetype_detected;
// Prepare a new psiconv_config object
config = psiconv_config_default();
if (!config)
goto ERROR1;
config->error_handler = &psion_error_handler;
psiconv_config_read(NULL,&config);
// It is likely detection will fail, so keep it silent.
config->verbosity = PSICONV_VERB_FATAL;
// Copy the file data into a psiconv_buffer.
pl = psiconv_buffer_new();
if (!pl)
goto ERROR2;
for (i=0; i < iNumbytes; i++)
if ((psiconv_buffer_add(pl,szBuf[i]))) {
goto ERROR3;
}
// Check whether this is a Psion file.
filetype_detected = psiconv_file_type(config,pl,NULL,NULL);
psiconv_buffer_free(pl);
psiconv_config_free(config);
if (filetype == filetype_detected)
return UT_CONFIDENCE_PERFECT;
else
return UT_CONFIDENCE_ZILCH;
ERROR3:
psiconv_buffer_free(pl);
ERROR2:
psiconv_config_free(config);
ERROR1:
return UT_CONFIDENCE_ZILCH;
}
/*!
* Import a file with the given filename from disk.
*/
UT_Error IE_Imp_Psion::_loadFile(GsfInput * fp)
{
int res;
psiconv_file psionfile;
UT_Error err = UT_IE_NOMEMORY;
psiconv_buffer buf;
psiconv_config config;
// Read the file contents into a new psiconv_buffer
if (!(buf = psiconv_buffer_new()))
goto ERROR1;
psiconv_u8 ch;
while(gsf_input_read(fp, 1, (guint8*)&ch)) {
if(psiconv_buffer_add(buf, ch))
goto ERROR3;
}
// Prepare a new psiconv_config object
config = psiconv_config_default();
if (!config)
goto ERROR3;
config->error_handler = psion_error_handler;
psiconv_config_read(NULL,&config);
// Try to parse the file contents into psiconv internal data structures
res = psiconv_parse(config,buf,&psionfile);
// Tidy up
g_object_unref(G_OBJECT(fp));
psiconv_config_free(config);
psiconv_buffer_free(buf);
// Check whether this was a parsable Psion document
if (res) {
if (res == PSICONV_E_NOMEM)
return UT_IE_NOMEMORY;
else
return UT_IE_BOGUSDOCUMENT;
}
// Translate the file into an AbiWord document
return parseFile(psionfile);
ERROR3:
psiconv_buffer_free(buf);
ERROR1:
return err;
}
void
psiconv_read (GOIOContext *io_context, Workbook *wb, GsfInput *input)
{
psiconv_buffer buf ;
psiconv_config config = NULL;
psiconv_file psi_file = NULL;
if ((buf = psiconv_stream_to_buffer (input, -1)) == NULL) {
go_io_error_info_set (io_context,
go_error_info_new_str(_("Error while reading psiconv file.")));
goto out;
}
if ((config = psiconv_config_default()) == NULL)
goto out;
config->verbosity = PSICONV_VERB_ERROR;
psiconv_config_read(NULL,&config);
if (psiconv_parse(config, buf, &psi_file) != 0) {
psi_file = NULL;
go_io_error_info_set (io_context,
go_error_info_new_str(_("Error while parsing Psion file.")));
goto out;
}
if (psi_file->type == psiconv_sheet_file)
add_sheetfile(wb,psi_file->file);
else
go_io_error_info_set (io_context,
go_error_info_new_str(_("This Psion file is not a Sheet file.")));
out:
if (config)
psiconv_config_free(config);
if (buf)
psiconv_buffer_free(buf);
if (psi_file)
psiconv_free_file(psi_file);
}