stackish/node.h

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#ifndef node_h
#define node_h

/*
 * Utu -- Saving The Internet With Hate
 *
 * Copyright (c) Zed A. Shaw 2005 (zedshaw@zedshaw.com)
 *
 * This file is modifiable/redistributable under the terms of the GNU
 * General Public License.
 *
 * You should have recieved a copy of the GNU General Public License along
 * with this program; see the file COPYING. If not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 0211-1307, USA.
 */

#include <myriad/bstring/bstrlib.h>

typedef enum NodeType { 
  TYPE_NUMBER, TYPE_STRING, TYPE_BLOB, TYPE_FLOAT, TYPE_INVALID, TYPE_GROUP
} NodeType;


typedef struct Node {
  bstring name;

  NodeType type;

  union {
    unsigned long number;
    bstring string;
    double floating;
  } value;

  struct Node *parent;

  struct Node *sibling;

  struct Node *child;
} Node;

void Node_dump(Node *d, char sep, int follow_sibs);


void Node_catbstr(bstring str, Node *d, char sep, int follow_sibs);

bstring Node_bstr(Node *d, int follow_sibs);

void Node_destroy(Node *root);

Node *Node_new_string(Node *parent, bstring data);

Node *Node_new_blob(Node *parent, bstring data);

Node *Node_new_number(Node *parent, unsigned long data);

Node *Node_new_float(Node *parent, double data);

Node *Node_new_group(Node *parent);

void Node_name(Node *node, bstring name);


Node *Node_cons(const char *format, ...);

int Node_decons(Node *node, int copy, const char *format, ...);

void Node_add_child(Node *parent, Node *child);

void Node_add_sib(Node *sib1, Node *sib2);


Node *Node_parse(bstring buf);

Node *Node_parse_seq(bstring buf, size_t *from);

#endif

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