/**
* Print out the constituent tree.
* mode 1: treebank-style constituent tree
* mode 2: flat, bracketed tree [A like [B this B] A]
* mode 3: flat, treebank-style tree (A like (B this))
*/
char * linkage_print_constituent_tree(Linkage linkage, ConstituentDisplayStyle mode)
{
String * cs;
CNode * root;
char * p;
if (!linkage) return NULL;
if (mode == NO_DISPLAY)
{
return NULL;
}
else if (mode == MULTILINE || mode == SINGLE_LINE)
{
cs = string_new();
root = linkage_constituent_tree(linkage);
print_tree(cs, (mode==1), root, 0, 0);
linkage_free_constituent_tree(root);
append_string(cs, "\n");
p = string_copy(cs);
string_delete(cs);
return p;
}
else if (mode == BRACKET_TREE)
{
return print_flat_constituents(linkage);
}
prt_error("Warning: Illegal mode %d for printing constituents\n"
"Allowed values: %d to %d\n", mode, NO_DISPLAY, MAX_STYLES);
return NULL;
}
static CNode * linkage_constituent_tree(Linkage linkage)
{
char *p, *q, *saveptr;
int len;
CNode * root;
p = print_flat_constituents(linkage);
len = strlen(p);
q = strtok_r(p, " ", &saveptr);
assert(token_type(q) == OPEN_TOK, "Illegal beginning of string");
root = make_CNode(q+1);
root = parse_string(root, &saveptr);
assign_spans(root, 0);
exfree(p, sizeof(char)*(len+1));
return root;
}
/**
* Print out the constituent tree.
* mode 1: treebank-style constituent tree
* mode 2: flat, bracketed tree [A like [B this B] A]
* mode 3: flat, treebank-style tree (A like (B this) )
*/
char * linkage_print_constituent_tree(Linkage linkage, int mode)
{
String * cs;
CNode * root;
char * p;
if ((mode == 0) || (linkage->sent->dict->constituent_pp == NULL))
{
return NULL;
}
else if (mode == 1 || mode == 3)
{
cs = String_create();
root = linkage_constituent_tree(linkage);
print_tree(cs, (mode==1), root, 0, 0);
linkage_free_constituent_tree(root);
append_string(cs, "\n");
p = exalloc(strlen(cs->p)+1);
strcpy(p, cs->p);
exfree(cs->p, sizeof(char)*cs->allocated);
exfree(cs, sizeof(String));
return p;
}
else if (mode == 2)
{
char * str;
con_context_t *ctxt;
ctxt = (con_context_t *) malloc(sizeof(con_context_t));
str = print_flat_constituents(ctxt, linkage);
free(ctxt);
return str;
}
assert(0, "Illegal mode in linkage_print_constituent_tree");
return NULL;
}