/*****************************************************
Routine to return a new tag search data structure.
******************************************************/
static TAG_SEARCH *NewTagSearch(char *tagnam_ptr)
{
static DESCRIPTOR(top, "TOP");
static DESCRIPTOR(colons, "::");
TAG_SEARCH *ctx = (TAG_SEARCH *) malloc(sizeof(TAG_SEARCH));
static struct descriptor_d empty = {0, DTYPE_T, CLASS_D, 0};
struct descriptor tag_dsc = {0, DTYPE_T, CLASS_S, 0};
unsigned short tree_len;
char *cptr;
static unsigned short one = 1;
tag_dsc.length = strlen(tagnam_ptr);
tag_dsc.pointer = tagnam_ptr;
ctx->search_tag = empty;
ctx->search_tree = empty;
ctx->next_tag = -1;
ctx->this_tree_info = 0;
ctx->remote = 0;
if (*(char *) tag_dsc.pointer == '\\')
{
tag_dsc.length--;
(char *) tag_dsc.pointer++;
}
if ((cptr = strstr(tagnam_ptr,"::")) != 0)
{
tree_len = cptr - tagnam_ptr;
StrCopyR(&ctx->search_tree, &tree_len, tag_dsc.pointer);
tag_dsc.length -= (tree_len + 2);
tag_dsc.pointer += (tree_len + 2);
}
else
StrCopyR(&ctx->search_tree, &one, "*");
if (tag_dsc.length)
StrCopyDx(&ctx->search_tag, &tag_dsc);
else
StrCopyR(&ctx->search_tag, &one, "*");
StrUpcase(&ctx->search_tree,&ctx->search_tree);
StrUpcase(&ctx->search_tag,&ctx->search_tag);
ctx->top_match = StrMatchWild(&top, &ctx->search_tag) & 1;
return ctx;
}
/*-------------------------------------------------------------------
Use a different default, shot, or experiment.
USING(expression, [DEFAULT], [SHOTID], [EXPT])
Note that DEFAULT may be NID/PATH and will not be data at same.
*/
STATIC_ROUTINE int fixup_nid(int *pin, /* NID pointer */ int arg,
struct descriptor_d *pout)
{
int status = 0;
char *path = TreeGetPath(*pin);
if (path != NULL) {
unsigned short len = (unsigned short)strlen(path);
StrCopyR(pout, &len, path);
TreeFree(path);
status = 1;
}
return status;
}
STATIC_ROUTINE int fixup_path(struct descriptor *pin, int arg,
struct descriptor_d *pout)
{
int status = 0;
char *pathin = MdsDescrToCstring(pin);
char *path = TreeAbsPath(pathin);
MdsFree(pathin);
if (path != NULL) {
unsigned short len = (unsigned short)strlen(path);
StrCopyR(pout, &len, path);
TreeFree(path);
status = 1;
}
return status;
}
int Tdi1Using(int opcode, int narg, struct descriptor *list[],
struct descriptor_xd *out_ptr)
{
int status = 1;
void *ctx;
int reset_ctx = 0;
int nid, shot, stat1;
struct descriptor def = { 0, DTYPE_T, CLASS_D, 0 }, expt = def;
unsigned char omits[] = { DTYPE_PATH, 0 };
/**********************
Evaluate with current.
Use current if omitted.
Must get expt if shot.
**********************/
if (narg > 1 && status & 1) {
if (list[1]) {
struct descriptor_xd xd = EMPTY_XD;
status = TdiGetData(omits, list[1], &xd);
if (status & 1 && xd.pointer)
switch (xd.pointer->dtype) {
case DTYPE_T:
case DTYPE_PATH:
status = StrCopyDx(&def, xd.pointer);
break;
default:
status = TdiINVDTYDSC;
break;
}
MdsFree1Dx(&xd, NULL);
}
if (!list[1] || def.length == 0) {
DBI_ITM def_itm[] = { {0, DbiDEFAULT, 0, 0}
, EOL };
status = TreeGetDbi(def_itm);
if (def_itm[0].pointer == NULL) {
STATIC_CONSTANT DESCRIPTOR(top, "\\TOP");
StrCopyDx(&def, &top);
status = 1;
} else {
unsigned short len =
(unsigned short)strlen((char *)def_itm[0].pointer);
StrCopyR(&def, &len, def_itm[0].pointer);
TreeFree(def_itm[0].pointer);
}
if (status & 1) {
stat1 = StrPosition(&def, &coloncolon, 0) + 1;
status = StrRight(&def, &def, &stat1);
}
if (status & 1)
*def.pointer = '\\';
}
}
if ((narg > 2) && ((list[2] != 0) || ((narg > 3) && (list[3] != 0)))
&& ((status & 1) != 0)) {
if (list[2])
status = TdiGetLong(list[2], &shot);
else {
DBI_ITM shot_itm[] = { {sizeof(shot), DbiSHOTID, 0, 0}
, EOL };
shot_itm[0].pointer = (unsigned char *)&shot;
status = TreeGetDbi(shot_itm);
}
if (status & 1) {
if (narg > 3 && list[3])
status = TdiData(list[3], &expt MDS_END_ARG);
else {
DBI_ITM expt_itm[] = { {0, DbiNAME, 0, 0}
, EOL };
status = TreeGetDbi(expt_itm);
if (expt_itm[0].pointer) {
unsigned short len =
(unsigned short)strlen((char *)expt_itm[0].pointer);
StrCopyR(&expt, &len, expt_itm[0].pointer);
TreeFree(expt_itm[0].pointer);
}
}
}
/*********************
Set new tree and path.
Allow some rel paths.
*********************/
if (status & 1) {
char *tree = MdsDescrToCstring(&expt);
ctx = TreeSwitchDbid(0);
reset_ctx = 1;
status = TreeOpen(tree, shot, 1);
MdsFree(tree);
}
}
if (narg > 1) {
char *path = MdsDescrToCstring(&def);
if (status & 1)
status = TreeSetDefault(path, &nid);
MdsFree(path);
if (narg > 2)
StrFree1Dx(&expt);
StrFree1Dx(&def);
}
/***********************
Evaluate with temporary.
***********************/
if (status & 1) {
struct descriptor_xd tmp = EMPTY_XD;
status = TdiEvaluate(list[0], &tmp MDS_END_ARG);
if (status & 1)
status = MdsCopyDxXdZ((struct descriptor *)&tmp, out_ptr, NULL,
fixup_nid, NULL, fixup_path, NULL);
MdsFree1Dx(&tmp, NULL);
}
if (reset_ctx) {
while (TreeClose(0, 0) & 1) ;
TreeFreeDbid(TreeSwitchDbid(ctx));
}
return status;
}
