static int
parsepair(Parser *p, JSON *parent, JSON **kprev, JSON **vprev)
{
must(*p->s == '"');
must(parsestring(p, parent, kprev));
skipws(p);
must(consume(p, ":"));
skipws(p);
must(parsevalue(p, parent, vprev));
return 1;
}
static int
parsearray(Parser *p, JSON *parent, JSON **prev)
{
JSON *v = inititem(p, parent, prev, '[');
must(consume(p, "["));
skipws(p);
if (*p->s != ']') {
JSON *aprev = nil;
must(parsevalue(p, v, &aprev));
for (skipws(p); *p->s == ','; skipws(p)) {
p->s++; // consume ,
skipws(p);
must(parsevalue(p, v, &aprev));
}
}
must(consume(p, "]"));
if (v) {
v->end = p->s;
}
return 1;
}
static int trytypetag (struct rnndb *db, char *file, xmlNode *node, struct rnntypeinfo *ti) {
if (!strcmp(node->name, "value")) {
struct rnnvalue *val = parsevalue(db, file, node);
if (val)
ADDARRAY(ti->vals, val);
return 1;
} else if (!strcmp(node->name, "bitfield")) {
struct rnnbitfield *bf = parsebitfield(db, file, node);
if (bf)
ADDARRAY(ti->bitfields, bf);
return 1;
}
return 0;
}
/*------------------------------------------------------------------------
* parseset - parse the words from the input line for a set operation
*------------------------------------------------------------------------
*/
LOCAL int
parseset(
struct req_desc *rqdp,
int stdout)
{
struct snbentry *bl;
char *word;
for (getword(&word); *word != NULLCH; getword(&word)) {
if ((bl = parseoid(&word)) == (struct snbentry *) SYSERR)
return SYSERR;
if (rqdp->bindlf) {
bl->sb_prev = rqdp->bindle;
rqdp->bindle = rqdp->bindle->sb_next = bl;
} else
rqdp->bindlf = rqdp->bindle = bl;
if (parsevalue(&word, bl) == SYSERR) {
fprintf(stdout, "bad syntax\n");
return SYSERR;
}
}
return OK;
}
int
gst_gl_shadervariables_parse (GstGLShader * shader, char *variables,
int (*_setvariable) (GstGLShader * shader,
struct gst_gl_shadervariable_desc * v))
{
char *p = 0;
char *p0;
char *e;
char e1 = 0;
char *t = 0;
char *varname;
char *vartype;
char *varvalue;
int arraysize = 0;
char *saveptr = variables;
int line = 1;
char *lim;
int i;
int len;
struct gst_gl_shadervariable_desc ret;
if (!_setvariable) {
_setvariable = gst_gl_shadervariable_set;
}
if (!variables)
return 0;
p0 = variables;
trimright (p0, " \t\n");
lim = variables + strlen (variables);
e = strchr (p0, ';');
while (p0 < lim) {
if (!e) {
if (p0[0])
goto parse_error;
break;
}
e1 = e[1];
e[1] = 0;
p = g_strdup (p0);
e[1] = e1;
trimright (p, " \t");
trimleft (p, " \t\n");
t = strtok_r (p, " \t", &saveptr);
if (!t)
goto parse_error;
trimleft (t, " \t");
trimright (t, " \t\n");
if (t[0]) {
if (!strcmp (t, "const")) {
t = strtok_r (0, " \t", &saveptr);
if (!t)
goto parse_error;
trimleft (t, " \t");
if (!t[0])
goto parse_error;
}
// parse data type
for (i = 0; i < _datatypecount; ++i) {
if (!strcmp (t, gst_gl_shadervariable_datatype[i])) {
ret.type = (gst_gl_shadervariable_datatypeindex) i;
break;
}
}
if (i == _datatypecount)
goto parse_error;
vartype = g_strdup (t);
GST_INFO ("vartype : '%s'\n", vartype);
trimleft (saveptr, " \t");
t = saveptr;
if (*saveptr == '=')
goto parse_error;
// parse variable name and array size
t = parsename (&varname, &arraysize, &saveptr);
if (t)
goto parse_error;
trimright (varname, " \t");
GST_INFO ("varname : '%s'\n", varname);
GST_INFO ("arraysize : %d\n", arraysize);
// check type cast after assignement operator
t = strtok_r (0, "(", &saveptr);
if (!t)
goto parse_error;
trimleft (t, " \t");
trimright (t, " \t");
if (arraysize) {
char *s = g_malloc (strlen (vartype) + 32);
sprintf (s, "%s[%d]", vartype, arraysize);
if (strcmp (t, s)) {
g_free (s);
goto parse_error;
}
} else {
if (strcmp (t, vartype))
goto parse_error;
}
// extract variable value
t = strtok_r (0, ";", &saveptr);
if (!t)
goto parse_error;
trimleft (t, " \t");
trimright (t, " \t");
if (!t[0])
goto parse_error;
if (*(saveptr - 2) != ')')
goto parse_error;
*(saveptr - 2) = 0;
if (!t[0])
goto parse_error;
varvalue = g_strdup (t);
GST_INFO ("value: %s\n\n", varvalue);
t = saveptr;
if (t[0])
goto parse_error;
// parse variable value
len = strlen (varvalue);
ret.name = varname;
ret.arraysize = arraysize;
t = parsevalue (varvalue, saveptr, &ret);
if (t) {
t -= len;
goto parse_error;
}
// set variable value
_setvariable (shader, &ret);
fflush (0);
}
// Tell me why we cannot free(p) whithout segfault.
//g_free(p);
p0 = e + 1;
++line;
e = strchr (p0, ';');
}
return 0;
parse_error:
if (!t) {
t = saveptr;
}
if (!e) {
t = p = p0;
} else {
e[1] = 0;
trimleft (p0, " \t\n");
GST_ERROR ("\n%s", p0);
e[1] = e1;
}
GST_ERROR ("parse error on line %d, position %ld (%s)", line, (glong) (t - p),
t);
return -1;
}
static void parseenum(struct rnndb *db, char *file, xmlNode *node) {
xmlAttr *attr = node->properties;
char *name = 0;
int isinline = 0;
int bare = 0;
char *prefixstr = 0;
char *varsetstr = 0;
char *variantsstr = 0;
int i;
while (attr) {
if (!strcmp(attr->name, "name")) {
name = getattrib(db, file, node->line, attr);
} else if (!strcmp(attr->name, "bare")) {
bare = getboolattrib(db, file, node->line, attr);
} else if (!strcmp(attr->name, "inline")) {
isinline = getboolattrib(db, file, node->line, attr);
} else if (!strcmp(attr->name, "prefix")) {
prefixstr = strdup(getattrib(db, file, node->line, attr));
} else if (!strcmp(attr->name, "varset")) {
varsetstr = strdup(getattrib(db, file, node->line, attr));
} else if (!strcmp(attr->name, "variants")) {
variantsstr = strdup(getattrib(db, file, node->line, attr));
} else {
fprintf (stderr, "%s:%d: wrong attribute \"%s\" for enum\n", file, node->line, attr->name);
db->estatus = 1;
}
attr = attr->next;
}
if (!name) {
fprintf (stderr, "%s:%d: nameless enum\n", file, node->line);
db->estatus = 1;
return;
}
struct rnnenum *cur = 0;
for (i = 0; i < db->enumsnum; i++)
if (!strcmp(db->enums[i]->name, name)) {
cur = db->enums[i];
break;
}
if (cur) {
if (strdiff(cur->varinfo.prefixstr, prefixstr) ||
strdiff(cur->varinfo.varsetstr, varsetstr) ||
strdiff(cur->varinfo.variantsstr, variantsstr) ||
cur->isinline != isinline || cur->bare != bare) {
fprintf (stderr, "%s:%d: merge fail for enum %s\n", file, node->line, node->name);
db->estatus = 1;
}
} else {
cur = calloc(sizeof *cur, 1);
cur->name = strdup(name);
cur->isinline = isinline;
cur->bare = bare;
cur->varinfo.prefixstr = prefixstr;
cur->varinfo.varsetstr = varsetstr;
cur->varinfo.variantsstr = variantsstr;
cur->file = file;
ADDARRAY(db->enums, cur);
}
xmlNode *chain = node->children;
while (chain) {
if (chain->type != XML_ELEMENT_NODE) {
} else if (!strcmp(chain->name, "value")) {
struct rnnvalue *val = parsevalue(db, file, chain);
if (val)
ADDARRAY(cur->vals, val);
} else if (!trytop(db, file, chain) && !trydoc(db, file, chain)) {
fprintf (stderr, "%s:%d: wrong tag in enum: <%s>\n", file, chain->line, chain->name);
db->estatus = 1;
}
chain = chain->next;
}
}
