void
VFont::Read ()
{
if (! characterTable.empty() || dviInfo.notLoadable)
{
return;
}
dviInfo.notLoadable = true;
InputStream stream (dviInfo.fileName.c_str());
trace_vfont->WriteFormattedLine
("libdvi",
T_("reading vf file %s"),
Q_(dviInfo.fileName));
if (stream.ReadByte() != pre)
{
FATAL_DVI_ERROR ("VFont::Read",
T_("Not a VF file."),
dviInfo.fileName.c_str());
}
ReadPreamble (stream);
ReadFontDefsAndCharPackets (stream);
ReadPostamble (stream);
dviInfo.notLoadable = false;
}
FieldList
ReadHeader(char **version, /* version (output) */
int *arch, /* architecture (output) */
long *pre_size, /* preamble size (output) */
long *hdr_size, /* header size (output) */
long *rec_size, /* record size (output) */
FILE *file) /* input file */
{
FieldList list;
char *architecture;
if (!ReadPreamble(version,
&architecture, pre_size, hdr_size, rec_size, file))
return NULL; /* Bad preamble. */
if (strcmp(architecture, EsignalArch) == 0) /* native architecture */
{
if (arch != NULL)
*arch = NATIVE;
if (!ReadNativeFieldList(&list, file))
return NULL;
}
else if (strcmp(architecture, "EDR1") == 0)
{
if (arch != NULL)
*arch = EDR1;
/*
* On machines whose native architecture is EDR1, could call
* ReadNativeFieldList here.
*/
if (!ReadEdrFieldList(&list, file, EDR1))
return NULL;
}
else if (strcmp(architecture, "EDR2") == 0)
{
if (arch != NULL)
*arch = EDR2;
/*
* On machines whose native architecture is EDR2, could call
* ReadNativeFieldList here.
*/
if (!ReadEdrFieldList(&list, file, EDR2))
return NULL;
}
else if (strcmp(architecture, "ASCII") == 0)
{
if (arch != NULL)
*arch = ASCII;
if (!ReadAsciiFieldList(&list, file))
return NULL;
}
else
{
if (arch != NULL)
*arch = UNKNOWN;
return NULL; /* Unsupported architecture. */
}
return list;
}