Classes | Typedefs | Enumerations | Functions

cbf_tree.h File Reference

#include "cbf_context.h"
Include dependency graph for cbf_tree.h:
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Classes

struct  cbf_node_struct

Typedefs

typedef struct cbf_node_struct cbf_node

Enumerations

enum  CBF_NODETYPE {
  CBF_UNDEFINED, CBF_LINK, CBF_ROOT, CBF_DATABLOCK,
  CBF_CATEGORY, CBF_COLUMN
}

Functions

int cbf_free_node (cbf_node *node)
int cbf_set_children (cbf_node *node, unsigned int children)
int cbf_set_link (cbf_node *link, cbf_node *node)
int cbf_add_link (cbf_node *link, cbf_node *child)
int cbf_shift_link (cbf_node *link)
cbf_nodecbf_get_link (const cbf_node *node)
int cbf_find_child (cbf_node **child, const cbf_node *node, const char *name)
int cbf_find_last_child (cbf_node **child, const cbf_node *node, const char *name)
int cbf_find_parent (cbf_node **parent, const cbf_node *node, CBF_NODETYPE type)
int cbf_count_children (unsigned int *children, const cbf_node *node)
int cbf_child_index (unsigned int *index, const cbf_node *node)
int cbf_get_child (cbf_node **child, const cbf_node *node, unsigned int index)
int cbf_add_child (cbf_node *node, cbf_node *child)
int cbf_add_new_child (cbf_node *node, cbf_node *child)
int cbf_get_name (const char **name, cbf_node *node)
int cbf_name_node (cbf_node *node, const char *name)
int cbf_name_new_node (cbf_node *node, const char *name)
int cbf_make_node (cbf_node **node, CBF_NODETYPE type, cbf_context *context, const char *name)
int cbf_make_new_node (cbf_node **node, CBF_NODETYPE type, cbf_context *context, const char *name)
int cbf_make_child (cbf_node **child, cbf_node *node, CBF_NODETYPE type, const char *name)
int cbf_make_new_child (cbf_node **child, cbf_node *node, CBF_NODETYPE type, const char *name)
int cbf_get_columnrow (const char **value, const cbf_node *column, unsigned int row)
int cbf_set_columnrow (cbf_node *column, unsigned int row, const char *value, int free)
int cbf_insert_columnrow (cbf_node *column, unsigned int row, const char *value)
int cbf_delete_columnrow (cbf_node *column, unsigned int row)
int cbf_add_columnrow (cbf_node *column, const char *value)

Typedef Documentation

typedef struct cbf_node_struct cbf_node

Enumeration Type Documentation

Enumerator:
CBF_UNDEFINED 
CBF_LINK 
CBF_ROOT 
CBF_DATABLOCK 
CBF_CATEGORY 
CBF_COLUMN 

Definition at line 16 of file cbf_tree.h.

{
  CBF_UNDEFINED,        /* Undefined */
  CBF_LINK,             /* Link      */
  CBF_ROOT,             /* Root      */
  CBF_DATABLOCK,        /* Datablock */
  CBF_CATEGORY,         /* Category  */
  CBF_COLUMN            /* Column    */
}

Function Documentation

int cbf_add_child ( cbf_node node,
cbf_node child 
)

Definition at line 859 of file cbf_tree.c.

References CBF_ARGUMENT, cbf_failnez, cbf_find_child(), cbf_get_link(), CBF_IDENTICAL, cbf_set_children(), cbf_compress_nodestruct::child, cbf_node_struct::child, cbf_node_struct::children, cbf_node_struct::name, and cbf_node_struct::parent.

Referenced by cbf_make_child().

{
    /* Follow any links */

  node = cbf_get_link (node);


    /* Check the first argument */
    
  if (!node)

    return CBF_ARGUMENT;


    /* Follow any links */

  child = cbf_get_link (child);


    /* Check the second argument */
    
  if (!child)

    return CBF_ARGUMENT;
    

    /* Is there already a child with this name? */
    
  if (cbf_find_child (NULL, node, child->name) == 0)

    return CBF_IDENTICAL;


    /* Add the child */

  cbf_failnez (cbf_set_children (node, node->children + 1))

  child->parent = node;

  node->child [node->children - 1] = child;


    /* Success */

  return 0;
}
int cbf_add_columnrow ( cbf_node column,
const char *  value 
)

Definition at line 1344 of file cbf_tree.c.

References CBF_ARGUMENT, cbf_get_link(), cbf_set_columnrow(), and cbf_node_struct::children.

Referenced by cbf_new_row(), and yyparse().

{
    /* Follow any links */

  column = cbf_get_link (column);


    /* Check the arguments */

  if (!column)

    return CBF_ARGUMENT;


    /* Add the value */

  return cbf_set_columnrow (column, column->children, value, 1);
}
int cbf_add_link ( cbf_node link,
cbf_node child 
)

Definition at line 1093 of file cbf_tree.c.

References CBF_ARGUMENT, cbf_failnez, CBF_LINK, cbf_set_children(), cbf_compress_nodestruct::child, cbf_node_struct::child, cbf_node_struct::children, and cbf_node_struct::type.

Referenced by yyparse().

{
    /* Check the arguments */
    
  if (!link)

    return CBF_ARGUMENT;


    /* Check the type */

  if (link->type != CBF_LINK)

    return CBF_ARGUMENT;


    /* Add the child */

  cbf_failnez (cbf_set_children (link, link->children + 1))

  link->child [link->children - 1] = child;
  

    /* Success */

  return 0;
}
int cbf_add_new_child ( cbf_node node,
cbf_node child 
)

Definition at line 909 of file cbf_tree.c.

References CBF_ARGUMENT, cbf_failnez, cbf_get_link(), cbf_set_children(), cbf_compress_nodestruct::child, cbf_node_struct::child, cbf_node_struct::children, and cbf_node_struct::parent.

Referenced by cbf_make_new_child().

{
    /* Follow any links */

  node = cbf_get_link (node);


    /* Check the first argument */
    
  if (!node)

    return CBF_ARGUMENT;


    /* Follow any links */

  child = cbf_get_link (child);


    /* Check the second argument */
    
  if (!child)

    return CBF_ARGUMENT;


    /* Add the child */

  cbf_failnez (cbf_set_children (node, node->children + 1))

  child->parent = node;

  node->child [node->children - 1] = child;


    /* Success */

  return 0;
}
int cbf_child_index ( unsigned int *  index,
const cbf_node node 
)

Definition at line 668 of file cbf_tree.c.

References CBF_ARGUMENT, cbf_get_link(), CBF_NOTFOUND, cbf_node_struct::child, cbf_compress_nodestruct::child, cbf_node_struct::children, and cbf_node_struct::parent.

Referenced by cbf_next_category(), cbf_next_column(), and cbf_next_datablock().

{
  cbf_node *parent;

  unsigned int child;

  
    /* Follow any links */

  node = cbf_get_link (node);


    /* Check the arguments */

  if (!node)

    return CBF_ARGUMENT;


    /* Get the parent */

  parent = node->parent;

  if (!parent)

    return CBF_NOTFOUND;


    /* Find the child */

  for (child = 0; child < parent->children; child++)

    if (parent->child [child] == node)
    {
      if (index)

        *index = child;

      return 0;
    }


    /* Fail */

  return CBF_NOTFOUND;
}
int cbf_count_children ( unsigned int *  children,
const cbf_node node 
)

Definition at line 644 of file cbf_tree.c.

References CBF_ARGUMENT, cbf_get_link(), and cbf_node_struct::children.

Referenced by cbf_count_categories(), cbf_count_columns(), cbf_count_datablocks(), cbf_count_rows(), cbf_find_nextrow(), cbf_next_row(), cbf_read_file(), cbf_reset_datablocks(), and cbf_select_row().

{
    /* Follow any links */

  node = cbf_get_link (node);


    /* Check the arguments */
    
  if (!children || !node)

    return CBF_ARGUMENT;


    /* Success */

  *children = node->children;
  
  return 0;
}
int cbf_delete_columnrow ( cbf_node column,
unsigned int  row 
)

Definition at line 1303 of file cbf_tree.c.

References CBF_ARGUMENT, cbf_failnez, cbf_get_link(), CBF_NOTFOUND, cbf_set_children(), cbf_set_columnrow(), cbf_node_struct::child, and cbf_node_struct::children.

Referenced by cbf_delete_row(), and cbf_insert_row().

{
    /* Follow any links */

  column = cbf_get_link (column);


    /* Check the arguments */

  if (!column)

    return CBF_ARGUMENT;

  if (row >= column->children)

    return CBF_NOTFOUND;


    /* Free the value */

  cbf_failnez (cbf_set_columnrow (column, row, NULL, 1))


    /* Move any values further down the column */

  if (row < column->children - 1)

    memmove (column->child + row, column->child + row + 1,
             sizeof (cbf_node *) * (column->children - row - 1));

  column->child [column->children - 1] = NULL;


    /* Decrease the column size */

  return cbf_set_children (column, column->children - 1);
}
int cbf_find_child ( cbf_node **  child,
const cbf_node node,
const char *  name 
)

Definition at line 467 of file cbf_tree.c.

References CBF_ARGUMENT, CBF_COLUMN, cbf_get_link(), CBF_NOTFOUND, cbf_node_struct::child, cbf_node_struct::children, cbf_compress_nodestruct::count, cbf_node_struct::name, and cbf_node_struct::type.

Referenced by cbf_add_child(), cbf_find_category(), cbf_find_column(), cbf_find_datablock(), and cbf_name_node().

{
  unsigned int count;

  const char *namec, *nodenamec;


    /* Follow any links */

  node = cbf_get_link (node);
  

    /* Check the arguments */

  if (!node)

    return CBF_ARGUMENT;


    /* Is it a normal node? */

  if (node->type == CBF_COLUMN)

    return CBF_ARGUMENT;


    /* Search the children */

  for (count = 0; count < node->children; count++)

    if (name)
    {
      if (node->child [count]->name)
      {
        for (namec = name, nodenamec = node->child [count]->name;
            *namec && toupper (*nodenamec) == toupper (*namec);
             namec++, nodenamec++);

        if (!*namec && !*nodenamec)
        {
          if (child)
          
            *child = node->child [count];

          return 0;
        }
      }
    }
    else

      if (name == node->child [count]->name)
      {
        if (child)
        
          *child = node->child [count];

        return 0;
      }


    /* Fail */

  return CBF_NOTFOUND;
}
int cbf_find_last_child ( cbf_node **  child,
const cbf_node node,
const char *  name 
)

Definition at line 535 of file cbf_tree.c.

References CBF_ARGUMENT, CBF_COLUMN, cbf_get_link(), CBF_NOTFOUND, cbf_node_struct::child, cbf_node_struct::children, cbf_compress_nodestruct::count, cbf_node_struct::name, and cbf_node_struct::type.

Referenced by cbf_make_child().

{
  int count;

  const char *namec, *nodenamec;


    /* Follow any links */

  node = cbf_get_link (node);
  

    /* Check the arguments */

  if (!node)

    return CBF_ARGUMENT;


    /* Is it a normal node? */

  if (node->type == CBF_COLUMN)

    return CBF_ARGUMENT;


    /* Search the children */

  for (count = ((int) node->children) - 1; count >= 0; count--)

    if (name)
    {
      if (node->child [count]->name)
      {
        for (namec = name, nodenamec = node->child [count]->name;
            *namec && toupper (*nodenamec) == toupper (*namec);
             namec++, nodenamec++);

        if (!*namec && !*nodenamec)
        {
          if (child)
          
            *child = node->child [count];

          return 0;
        }
      }
    }
    else

      if (name == node->child [count]->name)
      {
        if (child)
        
          *child = node->child [count];

        return 0;
      }


    /* Fail */

  return CBF_NOTFOUND;
}
int cbf_find_parent ( cbf_node **  parent,
const cbf_node node,
CBF_NODETYPE  type 
)
int cbf_free_node ( cbf_node node)

Definition at line 294 of file cbf_tree.c.

References CBF_ARGUMENT, cbf_delete_contextconnection(), cbf_failnez, cbf_free(), cbf_free_string(), cbf_set_children(), cbf_node_struct::child, cbf_node_struct::child_size, cbf_node_struct::children, cbf_node_struct::context, cbf_compress_nodestruct::count, cbf_node_struct::name, and cbf_node_struct::parent.

Referenced by cbf_free_handle(), cbf_make_child(), cbf_make_new_child(), cbf_make_new_node(), cbf_make_node(), cbf_new_column(), cbf_read_file(), cbf_remove_category(), cbf_remove_column(), cbf_remove_datablock(), and cbf_set_children().

{
  unsigned int count;

  
    /* Check the arguments */
    
  if (!node)

    return CBF_ARGUMENT;


    /* Disconnect the node from its parent? */

  if (node->parent)

    for (count = 0; count < node->parent->children; count++)

      if (node->parent->child [count] == node)
      {
        node->parent->children--;

        if (node->parent->children == 0)

          cbf_failnez (cbf_free ((void **) &node->parent->child,
                                       &node->parent->child_size))

        else

          if (node->parent->children > count)
          
            memmove (node->parent->child + count, 
                     node->parent->child + count + 1,
                    (node->parent->children - count) * sizeof (cbf_node *));

        break;
      }


    /* Free the children */

  cbf_failnez (cbf_set_children (node, 0))


    /* Free the name */

  cbf_free_string (NULL, node->name);


    /* Free the context connection */

  cbf_failnez (cbf_delete_contextconnection (&node->context))


    /* Free the node */

  return cbf_free ((void **) &node, NULL);
}
int cbf_get_child ( cbf_node **  child,
const cbf_node node,
unsigned int  index 
)

Definition at line 718 of file cbf_tree.c.

References CBF_ARGUMENT, CBF_COLUMN, cbf_get_link(), CBF_NOTFOUND, cbf_node_struct::child, and cbf_node_struct::type.

Referenced by cbf_count_rows(), cbf_delete_row(), cbf_insert_row(), cbf_new_row(), cbf_next_category(), cbf_next_column(), cbf_next_datablock(), cbf_read_file(), cbf_reset_datablocks(), cbf_rewind_category(), cbf_rewind_column(), cbf_rewind_datablock(), cbf_select_category(), cbf_select_column(), and cbf_select_datablock().

{
    /* Follow any links */

  node = cbf_get_link (node);
  

    /* Check the arguments */

  if (!node)

    return CBF_ARGUMENT;


    /* Is it a normal node? */

  if (node->type == CBF_COLUMN)

    return CBF_ARGUMENT;


    /* Does the child exists? */

  if (index < node->children)
  {
    if (child)
          
      *child = node->child [index];

    return 0;
  }


    /* Fail */

  return CBF_NOTFOUND;
}
int cbf_get_columnrow ( const char **  value,
const cbf_node column,
unsigned int  row 
)

Definition at line 1217 of file cbf_tree.c.

References CBF_ARGUMENT, CBF_COLUMN, cbf_get_link(), CBF_NOTFOUND, cbf_node_struct::child, cbf_node_struct::children, and cbf_node_struct::type.

Referenced by cbf_find_nextrow(), cbf_free_value(), cbf_get_bintext(), cbf_get_value(), cbf_is_binary(), cbf_is_mimebinary(), and cbf_write_value().

{
    /* Follow any links */

  column = cbf_get_link (column);


    /* Check the arguments */
    
  if (!column)

    return CBF_ARGUMENT;


    /* Check the node type */

  if (column->type != CBF_COLUMN)

    return CBF_ARGUMENT;


    /* Is the value in the column? */

  if (row + 1 > column->children)

    return CBF_NOTFOUND;


    /* Success */

  if (value)

    *value = (const char *) column->child [row];

  return 0;
}
cbf_node* cbf_get_link ( const cbf_node node)
int cbf_get_name ( const char **  name,
cbf_node node 
)

Definition at line 759 of file cbf_tree.c.

References CBF_ARGUMENT, cbf_get_link(), and cbf_node_struct::name.

Referenced by cbf_category_name(), cbf_column_name(), cbf_datablock_name(), and cbf_read_file().

{
    /* Follow any links */

  node = cbf_get_link (node);


    /* Check the arguments */
      
  if (!node)

    return CBF_ARGUMENT;


    /* Set the name */

  if (name)

    *name = node->name;


    /* Success */

  return 0;
}
int cbf_insert_columnrow ( cbf_node column,
unsigned int  row,
const char *  value 
)

Definition at line 1258 of file cbf_tree.c.

References CBF_ARGUMENT, cbf_failnez, cbf_get_link(), CBF_NOTFOUND, cbf_set_children(), cbf_node_struct::child, and cbf_node_struct::children.

Referenced by cbf_insert_row().

{
    /* Follow any links */

  column = cbf_get_link (column);


    /* Check the arguments */

  if (!column)

    return CBF_ARGUMENT;

  if (row > column->children)

    return CBF_NOTFOUND;


    /* Increase the column size */

  cbf_failnez (cbf_set_children (column, column->children + 1))


    /* Move any values further down the column */

  if (row < column->children - 1)

    memmove (column->child + row + 1, column->child + row,
               sizeof (cbf_node *) * (column->children - row - 1));
  

    /* Set the value */

  column->child [row] = (cbf_node *) value;


    /* Success */

  return 0;
}
int cbf_make_child ( cbf_node **  child,
cbf_node node,
CBF_NODETYPE  type,
const char *  name 
)

Definition at line 952 of file cbf_tree.c.

References cbf_add_child(), CBF_ARGUMENT, cbf_failnez, cbf_find_last_child(), cbf_free_node(), cbf_free_string(), cbf_get_link(), CBF_LINK, cbf_make_node(), CBF_NOTFOUND, cbf_node_struct::context, and cbf_node_struct::name.

Referenced by cbf_new_category(), cbf_new_column(), cbf_new_datablock(), and yyparse().

{
  cbf_node *newchild;

  int errorcode;

  
    /* Check the type */

  if (type == CBF_LINK)

    return CBF_ARGUMENT;
    

    /* Follow any links */

  node = cbf_get_link (node);


    /* Does the child already exist? */

  errorcode = cbf_find_last_child (child, node, name);

  if (errorcode == 0)
  {
    cbf_free_string (NULL, name);
    
    return 0;
  }

  if (errorcode != CBF_NOTFOUND)

    return errorcode;


    /* Make a new node */

  cbf_failnez (cbf_make_node (&newchild, type, node->context, name))

  errorcode = cbf_add_child (node, newchild);

  if (errorcode)
  {
    newchild->name = NULL;

    cbf_free_node (newchild);
    
    return errorcode;
  }


    /* Success */

  if (child)

    *child = newchild;

  return 0;
}
int cbf_make_new_child ( cbf_node **  child,
cbf_node node,
CBF_NODETYPE  type,
const char *  name 
)

Definition at line 1016 of file cbf_tree.c.

References cbf_add_new_child(), CBF_ARGUMENT, cbf_failnez, cbf_free_node(), cbf_get_link(), CBF_LINK, cbf_make_new_node(), cbf_node_struct::context, and cbf_node_struct::name.

Referenced by cbf_force_new_category(), cbf_force_new_datablock(), and yyparse().

{
  cbf_node *newchild;

  int errorcode;

  
    /* Check the type */

  if (type == CBF_LINK)

    return CBF_ARGUMENT;
    

    /* Follow any links */

  node = cbf_get_link (node);


    /* Make a new node */

  cbf_failnez (cbf_make_new_node (&newchild, type, node->context, name))

  errorcode = cbf_add_new_child (node, newchild);

  if (errorcode)
  {
    newchild->name = NULL;

    cbf_free_node (newchild);
    
    return errorcode;
  }


    /* Success */

  if (child)

    *child = newchild;

  return 0;
}
int cbf_make_new_node ( cbf_node **  node,
CBF_NODETYPE  type,
cbf_context context,
const char *  name 
)

Definition at line 216 of file cbf_tree.c.

References cbf_add_contextconnection(), cbf_alloc(), CBF_ARGUMENT, cbf_failnez, cbf_free(), cbf_free_context(), cbf_free_node(), CBF_LINK, cbf_name_new_node(), and cbf_onfailnez.

Referenced by cbf_make_new_child().

{
  int errorcode;
  
  if (!node)

    return CBF_ARGUMENT;


    /* Create the new node */

  cbf_failnez (cbf_alloc ((void **) node, NULL, sizeof (cbf_node), 1))

    
    /* Initialise the node */

  (*node)->type = type;

  (*node)->name = NULL;

  (*node)->link = NULL;

  (*node)->parent = NULL;
      
  (*node)->children = 0;

  (*node)->child_size = 0;

  (*node)->child = NULL;


    /* Add the context? */

  if (type == CBF_LINK)

    (*node)->context = NULL;

  else
  {
      /* Does the context exist? */

    if (context)

      (*node)->context = context;

    else
    
      (*node)->context = NULL;


      /* Add a context connection */

    cbf_onfailnez (cbf_add_contextconnection (&(*node)->context), 
                   cbf_free ((void **) node, NULL))


      /* Name the node */

    errorcode = cbf_name_new_node (*node, name);

    if (errorcode)
    {
      errorcode |= cbf_free_context (&(*node)->context);
      
      return errorcode | cbf_free_node (*node);
    }
  }


    /* Success */

  return 0;
}
int cbf_make_node ( cbf_node **  node,
CBF_NODETYPE  type,
cbf_context context,
const char *  name 
)

Definition at line 138 of file cbf_tree.c.

References cbf_add_contextconnection(), cbf_alloc(), CBF_ARGUMENT, cbf_failnez, cbf_free(), cbf_free_context(), cbf_free_node(), CBF_LINK, cbf_name_node(), and cbf_onfailnez.

Referenced by cbf_make_child(), cbf_make_handle(), and yyparse().

{
  int errorcode;
  
  if (!node)

    return CBF_ARGUMENT;


    /* Create the new node */

  cbf_failnez (cbf_alloc ((void **) node, NULL, sizeof (cbf_node), 1))

    
    /* Initialise the node */

  (*node)->type = type;

  (*node)->name = NULL;

  (*node)->link = NULL;

  (*node)->parent = NULL;
      
  (*node)->children = 0;

  (*node)->child_size = 0;

  (*node)->child = NULL;


    /* Add the context? */

  if (type == CBF_LINK)

    (*node)->context = NULL;

  else
  {
      /* Does the context exist? */

    if (context)

      (*node)->context = context;

    else
    
      (*node)->context = NULL;


      /* Add a context connection */

    cbf_onfailnez (cbf_add_contextconnection (&(*node)->context), 
               cbf_free ((void **) node, NULL))


      /* Name the node */

    errorcode = cbf_name_node (*node, name);

    if (errorcode)
    {
      errorcode |= cbf_free_context (&(*node)->context);
      
      return errorcode | cbf_free_node (*node);
    }
  }


    /* Success */

  return 0;
}
int cbf_name_new_node ( cbf_node node,
const char *  name 
)

Definition at line 830 of file cbf_tree.c.

References CBF_ARGUMENT, cbf_free_string(), cbf_get_link(), and cbf_node_struct::name.

Referenced by cbf_make_new_node().

{
    /* Follow any links */

  node = cbf_get_link (node);


    /* Check the arguments */
      
  if (!node)

    return CBF_ARGUMENT;
    

    /* Replace the old name */

  cbf_free_string (NULL, node->name);

  node->name = (char *) name;


    /* Success */      

  return 0;
}
int cbf_name_node ( cbf_node node,
const char *  name 
)

Definition at line 792 of file cbf_tree.c.

References CBF_ARGUMENT, cbf_find_child(), cbf_free_string(), cbf_get_link(), CBF_IDENTICAL, cbf_node_struct::name, and cbf_node_struct::parent.

Referenced by cbf_make_node(), and cbf_set_datablockname().

{
    /* Follow any links */

  node = cbf_get_link (node);


    /* Check the arguments */
      
  if (!node)

    return CBF_ARGUMENT;
    

    /* Is there a sibling with this name? */

  if (node->parent)

    if (cbf_find_child (NULL, node->parent, name) == 0)

      return CBF_IDENTICAL;
      

    /* Replace the old name */

  cbf_free_string (NULL, node->name);

  node->name = name;


    /* Success */      

  return 0;
}
int cbf_set_children ( cbf_node node,
unsigned int  children 
)

Definition at line 356 of file cbf_tree.c.

References CBF_ARGUMENT, CBF_COLUMN, cbf_failnez, cbf_free(), cbf_free_node(), CBF_LINK, cbf_realloc(), cbf_set_columnrow(), cbf_node_struct::child, cbf_node_struct::child_size, cbf_node_struct::children, cbf_compress_nodestruct::count, cbf_node_struct::parent, and cbf_node_struct::type.

Referenced by cbf_add_child(), cbf_add_link(), cbf_add_new_child(), cbf_delete_columnrow(), cbf_free_node(), cbf_insert_columnrow(), cbf_new_column(), cbf_new_row(), cbf_read_file(), cbf_reset_category(), cbf_reset_datablock(), cbf_reset_datablocks(), and cbf_set_columnrow().

{
  unsigned int count, new_size, kblock;

  int errorcode;


    /* Check the arguments */

  if (!node)

    return CBF_ARGUMENT;


    /* Is the current size correct? */

  if (children == node->children)

    return 0;
    
    /* Compute a target new size */

  kblock = 16;

  if (children > 128*2) kblock = 128;

  if (children > 512*2) kblock = 512;

  new_size = (((int)((children -1)/kblock)))*kblock+kblock;

  if (new_size < children) new_size = children;

    /* Decrease the number of children? */

  if (children < node->children)
  {
    errorcode = 0;
    
    for (count = children; count < node->children; count++)

        /* Free the child */

      if (node->type == CBF_COLUMN)
    
        errorcode |= cbf_set_columnrow (node, count, NULL, 1);

      else

        if (node->type != CBF_LINK)

          if (node->child [count])
          {
            node->child [count]->parent = NULL;
        
            errorcode |= cbf_free_node (node->child [count]);

            node->child [count] = NULL;
          }

    if (children == 0)

      errorcode = cbf_free ((void **) &node->child, &node->child_size);

    node->children = children;

    if (new_size < node->child_size )
      cbf_failnez (cbf_realloc ((void * *) &node->child, &node->child_size,
                                           sizeof (cbf_node  *), new_size))

    return errorcode;
  }


    /* Increase the number of children */

  if (new_size > node->child_size)
    cbf_failnez (cbf_realloc ((void **) &node->child, &node->child_size,
                                        sizeof (cbf_node *), new_size))

  node->children = children;


    /* Success */

  return 0;
}
int cbf_set_columnrow ( cbf_node column,
unsigned int  row,
const char *  value,
int  free 
)

Definition at line 1168 of file cbf_tree.c.

References CBF_ARGUMENT, CBF_COLUMN, cbf_failnez, cbf_free_value(), cbf_get_link(), cbf_set_children(), cbf_node_struct::child, cbf_node_struct::children, cbf_node_struct::context, and cbf_node_struct::type.

Referenced by cbf_add_columnrow(), cbf_delete_columnrow(), cbf_free_value(), cbf_set_binary(), cbf_set_bintext(), cbf_set_children(), cbf_set_value(), and yyparse().

{
    /* Follow any links */

  column = cbf_get_link (column);


    /* Check the arguments */
    
  if (!column)

    return CBF_ARGUMENT;


    /* Check the node type */

  if (column->type != CBF_COLUMN)

    return CBF_ARGUMENT;


    /* Increase the column size? */

  if (row + 1 > column->children)

    cbf_failnez (cbf_set_children (column, row + 1))


    /* Remove the old value */

  if (free)

    cbf_failnez (cbf_free_value (column->context, column, row))


    /* Set the new value */

  column->child [row] = (cbf_node *) value;


    /* Success */

  return 0;
}
int cbf_set_link ( cbf_node link,
cbf_node node 
)

Definition at line 1064 of file cbf_tree.c.

References CBF_ARGUMENT, CBF_LINK, cbf_node_struct::link, and cbf_node_struct::type.

Referenced by yyparse().

{
    /* Check the arguments */
    
  if (!link)

    return CBF_ARGUMENT;


    /* Check the type */

  if (link->type != CBF_LINK)

    return CBF_ARGUMENT;


    /* Change the link */

  link->link = node;


    /* Success */

  return 0;
}
int cbf_shift_link ( cbf_node link)

Definition at line 1124 of file cbf_tree.c.

References CBF_ARGUMENT, CBF_LINK, cbf_node_struct::child, cbf_node_struct::children, cbf_node_struct::link, and cbf_node_struct::type.

Referenced by yyparse().

{
    /* Check the arguments */
    
  if (!link)

    return CBF_ARGUMENT;


    /* Check the type */

  if (link->type != CBF_LINK)

    return CBF_ARGUMENT;


    /* Do the children exist? */

  if (link->children == 0)

    return CBF_ARGUMENT;


    /* Change the link */

  link->link = link->child [0];


    /* Shift the children */

  memmove (link->child, link->child + 1, 
          (link->children - 1) * sizeof (cbf_node *));

  link->child [link->children - 1] = link->link;


    /* Success */

  return 0;
}