static struct text_node *text_node_bychar(struct text_node *node, char ch)
{
struct text_node *subnode = node->first_subnode;
while (subnode) {
if (!dstr_isempty(&subnode->str) && subnode->str.array[0] == ch)
return subnode;
subnode = subnode->next;
}
return NULL;
}
static void gl_write_main_storage_assign(struct gl_shader_parser *glsp,
struct shader_var *var, const char *dst, const char *src,
bool input)
{
struct shader_struct *st;
struct dstr dst_copy = {0};
char ch_left = input ? '.' : '_';
char ch_right = input ? '_' : '.';
if (dst) {
dstr_copy(&dst_copy, dst);
dstr_cat_ch(&dst_copy, ch_left);
} else {
dstr_copy(&dst_copy, "\t");
}
dstr_cat(&dst_copy, var->name);
st = shader_parser_getstruct(&glsp->parser, var->type);
if (st) {
struct dstr src_copy = {0};
size_t i;
if (src)
dstr_copy(&src_copy, src);
dstr_cat(&src_copy, var->name);
dstr_cat_ch(&src_copy, ch_right);
for (i = 0; i < st->vars.num; i++) {
struct shader_var *st_var = st->vars.array+i;
gl_write_main_storage_assign(glsp, st_var,
dst_copy.array, src_copy.array, input);
}
dstr_free(&src_copy);
} else {
if (!dstr_isempty(&dst_copy))
dstr_cat_dstr(&glsp->gl_string, &dst_copy);
dstr_cat(&glsp->gl_string, " = ");
if (src)
dstr_cat(&glsp->gl_string, src);
dstr_cat(&glsp->gl_string, var->name);
dstr_cat(&glsp->gl_string, ";\n");
if (!input)
gl_write_main_interface_assign(glsp, var, src);
}
dstr_free(&dst_copy);
}
static inline void set_rtmp_dstr(AVal *val, struct dstr *str)
{
bool valid = !dstr_isempty(str);
val->av_val = valid ? str->array : NULL;
val->av_len = valid ? (int)str->len : 0;
}
void dstr_replace(struct dstr *str, const char *find,
const char *replace)
{
size_t find_len, replace_len;
char *temp;
if (dstr_isempty(str))
return;
if (!replace)
replace = "";
find_len = strlen(find);
replace_len = strlen(replace);
temp = str->array;
if (replace_len < find_len) {
unsigned long count = 0;
while ((temp = strstr(temp, find)) != NULL) {
char *end = temp+find_len;
size_t end_len = strlen(end);
if (end_len) {
memmove(temp+replace_len, end, end_len + 1);
if (replace_len)
memcpy(temp, replace, replace_len);
} else {
strcpy(temp, replace);
}
temp += replace_len;
++count;
}
if (count)
str->len += (replace_len-find_len) * count;
} else if (replace_len > find_len) {
unsigned long count = 0;
while ((temp = strstr(temp, find)) != NULL) {
temp += find_len;
++count;
}
if (!count)
return;
str->len += (replace_len-find_len) * count;
dstr_ensure_capacity(str, str->len + 1);
temp = str->array;
while ((temp = strstr(temp, find)) != NULL) {
char *end = temp+find_len;
size_t end_len = strlen(end);
if (end_len) {
memmove(temp+replace_len, end, end_len + 1);
memcpy(temp, replace, replace_len);
} else {
strcpy(temp, replace);
}
temp += replace_len;
}
} else {
while ((temp = strstr(temp, find)) != NULL) {
memcpy(temp, replace, replace_len);
temp += replace_len;
}
}
}
