FILE *tmpfile()
{
FILE *tmp;
char *file_name;
tmp = e_temp_file(NULL, &file_name);
spsassert(tmp,"Cannot create temporary file!\n");
(void)unlink(file_name);
return tmp;
}
static int
FindStr(char *str,
char **arr)
{
int i;
spsassert(str != NULL, "FindStr: NULL string.");
if (arr == NULL)
return TRUE; /* NULL array implies all fields */
for (i = 0; arr[i] != NULL; i++)
if (strcmp(str, arr[i]) == 0)
return TRUE;
return FALSE;
}
static pc_wav_hd *
get_hd(char *prefix,
int num_read,
FILE *file)
{
char *end_pref;
pc_wav_hd *wav_hd;
int got_ck_hd;
char ckID[4];
unsigned long ckSize;
end_pref = prefix + num_read;
num_read -= PcWavPrefixSize; /* skip "RIFF", <size>, "WAVE" */
spsassert(num_read >= 0,
"get_hd: error reading PC WAVE header");
wav_hd = malloc(sizeof(pc_wav_hd));
if (wav_hd == NULL)
{
error_msg("get_hd",
"couldn't allocate storage for PC WAVE header.");
return NULL;
}
got_ck_hd = get_ck_hd(ckID, &ckSize, end_pref, &num_read, file);
while (got_ck_hd
&& strncmp(ckID, "fmt ", 4) != 0
&& strncmp(ckID, "data", 4) != 0)
{
got_ck_hd = (skip_ck(ckSize, end_pref, &num_read, file)
&& get_ck_hd(ckID, &ckSize, end_pref, &num_read, file));
}
if (!got_ck_hd)
{
error_msg("get_hd", "end of file within PC WAVE chunk.");
return NULL;
}
if (strncmp(ckID, "fmt ", 4) != 0)
{
error_msg("get_hd",
"no \"fmt\" chunk before data in PC WAVE file.");
return NULL;
}
if (!(get_lsbf_ushort(&wav_hd->FormatTag, end_pref, &num_read, file)
&& get_lsbf_ushort(&wav_hd->Channels, end_pref, &num_read, file)
&& get_lsbf_ulong(&wav_hd->SamplesPerSec, end_pref, &num_read, file)
&& get_lsbf_ulong(&wav_hd->AvgBytesPerSec, end_pref, &num_read, file)
&& get_lsbf_ushort(&wav_hd->BlockAlign, end_pref, &num_read, file)))
{
error_msg("get_hd", "failed to read PC WAVE \"fmt\" chunk.");
return NULL;
}
ckSize -= 14; /* 3 ushort & 2 ulong */
switch (wav_hd->FormatTag)
{
case WAVE_FORMAT_PCM:
if (!get_lsbf_ushort(&wav_hd->spec.pcm.BitsPerSample,
end_pref, &num_read, file))
{
error_msg("get_hd",
"failed to read PC WAVE \"fmt\" chunk (PCM part).");
return NULL;
}
ckSize -= 2; /* 1 ushort */
break;
default:
error_msg("get_hd", "only WAVE_FORMAT_PCM supported.");
return NULL;
}
if (ckSize < 0)
{
error_msg("get_hd",
"inconsistent chunk size for PC WAVE \"fmt\".");
return NULL;
}
do
{
got_ck_hd = (skip_ck(ckSize, end_pref, &num_read, file)
&& get_ck_hd(ckID, &ckSize, end_pref, &num_read, file));
} while(got_ck_hd
&& strncmp(ckID, "data", 4) != 0);
if (!got_ck_hd)
{
error_msg("get_hd", "failed to find PC WAVE \"data\" chunk.");
return NULL;
}
if (num_read > 0)
{
error_msg("get_hd", "read too far ahead.");
return NULL;
}
wav_hd->data_len = ckSize;
return wav_hd;
}
static struct header *
FieldList_to_fea(FieldList list,
struct fea_data **rec,
char **fnames,
int copy_sources)
{
struct header *hdr;
int i, j;
FieldSpec *fld;
char **codes;
FieldList subfields;
FieldSpec *subf;
char *name;
void *ptr;
int spstype;
long *dim;
struct fea_header *fea;
struct header *source;
if (list == NULL)
return NULL;
hdr = new_header(FT_FEA);
for (i = 0; (fld = list[i]) != NULL; i++)
{
codes = NULL;
if (fld->occurrence != VIRTUAL
&& (subfields = fld->subfields) != NULL)
{
for (j = 0; (subf = subfields[j]) != NULL; j++)
{
if (strcmp(subf->name, "enumStrings") != 0)
{
if (debug_level)
fprintf(stderr,
"FieldList_to_fea: subfields "
"not supported in ESPS FEA files.\n");
}
else if (fld->type != SHORT)
{
if (debug_level)
fprintf(stderr,
"FieldList_to_fea: Non-SHORT field "
"has subfield enumStrings.\n");
}
else if (subf->type != CHAR)
{
if (debug_level)
fprintf(stderr,
"FieldList_to_fea: enumStrings not CHAR.\n");
}
else if (subf->rank != 2)
{
if (debug_level)
fprintf(stderr,
"FieldList_to_fea: enumStrings "
"not of rank 2.\n");
}
else
codes = StrArrayFromRect(subf->dim, subf->data);
}
}
if (FieldIsTag(fld) && FindStr(ESPS_TAG, fnames))
hdr->common.tag = TRUE;
else if (FieldIsFeaSubtype(fld))
hdr->hd.fea->fea_type = *(short *) fld->data;
else
{
name = fld->name;
switch(fld->occurrence)
{
case GLOBAL:
{
int size = (int) FieldLength(fld);
ptr = fld->data;
if (debug_level >= 2)
fprintf(stderr,
"FieldList_to_fea: "
"global field[%d]: \"%s\".\n",
i, name);
if (fld->rank > 1)
{
if (debug_level)
fprintf(stderr,
"FieldList_to_fea: rank %d globals "
"not supported in ESPS FEA files.\n",
fld->rank);
}
if (size == 0)
{
if (debug_level)
fprintf(stderr,
"FieldList_to_fea: empty globals "
"not supported in ESPS FEA files.\n");
}
else if (codes != NULL)
(void) add_genhd_e(name,
(short *) ptr, size, codes, hdr);
else
switch (fld->type)
{
case DOUBLE:
(void) add_genhd_d(name,
(double *) ptr, size, hdr);
break;
case FLOAT:
(void) add_genhd_f(name,
(float *) ptr, size, hdr);
break;
case LONG:
(void) add_genhd_l(name,
(long *) ptr, size, hdr);
break;
case SHORT:
(void) add_genhd_s(name,
(short *) ptr, size, hdr);
break;
case SCHAR:
case UCHAR:
case CHAR:
(void) add_genhd_c(name,
(char *) ptr, size, hdr);
break;
default:
if (debug_level)
fprintf(stderr,
"FieldList_to_fea: global type %d "
"not supported in ESPS FEA files.\n",
fld->type);
}
}
break;
case REQUIRED:
{
long size = FieldLength(fld);
if (debug_level >= 2)
fprintf(stderr,
"FieldList_to_fea: "
"required field[%d]: \"%s\".\n",
i, name);
if (FindStr(name, fnames))
{
spstype = (codes != NULL) ? CODED
: ElibTypeToEsps(fld->type);
if (spstype != UNDEF)
{
dim = (long *) malloc(fld->rank * sizeof(long));
for (j = 0; j < fld->rank; j++)
dim[j] = fld->dim[j];
add_fea_fld(name, size, fld->rank,
dim, spstype, codes, hdr);
}
}
}
break;
case OPTIONAL:
if (debug_level)
fprintf(stderr,
"FieldList_to_fea: optional fields "
"not supported in ESPS FEA files.\n");
break;
case VIRTUAL:
if (copy_sources)
{
if (strncmp(name, "source_", 7) != 0)
{
if (debug_level)
fprintf(stderr, "Field_List_to_fea: VIRTUAL "
"field other than source_<n>.\n");
}
else if ((subfields = fld->subfields) != NULL
|| fld->type == CHAR)
{
size_t len;
char *data;
source = FieldList_to_fea(subfields,
NULL, NULL, TRUE);
len = FieldLength(fld);
data = (char *) malloc(len + 1);
strncpy(data, fld->data, len);
data[len] = '\0';
add_source_file(hdr, data, source);
}
}
break;
case INCLUDED:
if (debug_level)
fprintf(stderr,
"FieldList_to_fea: included fields "
"not supported in ESPS FEA files.\n");
break;
default:
spsassert(0, "FieldList_to_fea: "
"unrecognized occurrence code.\n");
break;
}
}
}
if (rec != NULL)
{
*rec = allo_fea_rec(hdr);
fea = hdr->hd.fea;
if (hdr->common.tag)
{
fld = FindField(list, ESPS_TAG);
fld->data = &(*rec)->tag;
}
for (i = 0; i < (int) fea->field_count; i++)
{
name = fea->names[i];
fld = FindField(list, name);
fld->data = get_fea_ptr(*rec, name, hdr);
}
}
return hdr;
}
