node_container.c File Reference

Expando Node for a Container. More...

#include "config.h"
#include <stdbool.h>
#include <stddef.h>
#include "mutt/lib.h"
#include "node_container.h"
#include "format.h"
#include "helpers.h"
#include "node.h"
#include "render.h"

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Functions
int	node_container_render (const struct ExpandoNode *node, const struct ExpandoRenderCallback *erc, struct Buffer *buf, int max_cols, void *data, MuttFormatFlags flags)
	Callback for a Container Node - Implements ExpandoNode::render() -.
struct ExpandoNode *	node_container_new (void)
	Create a new Container ExpandoNode.
void	node_container_collapse (struct ExpandoNode **ptr)
	Remove an unnecessary Container.
void	node_container_collapse_all (struct ExpandoNode **ptr)
	Remove unnecessary Containers.

Detailed Description

Expando Node for a Container.

Authors

• Tóth János
• Richard Russon

Copyright

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 2 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see http://www.gnu.org/licenses/.

Definition in file node_container.c.

Function Documentation

node_container_new()

struct ExpandoNode * node_container_new

(

void

)

Create a new Container ExpandoNode.

Return values

ptr	New Container ExpandoNode

Definition at line 94 of file node_container.c.

{
  struct ExpandoNode *node = node_new();
 
  node->type = ENT_CONTAINER;
  node->render = node_container_render;
 
  return node;
}

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node_container_collapse()

void node_container_collapse

(

struct ExpandoNode **

ptr

)

Remove an unnecessary Container.

Parameters

ptr	Pointer to a Container

Definition at line 108 of file node_container.c.

{
  if (!ptr || !*ptr)
    return;
 
  struct ExpandoNode *node = *ptr;
 
  if (node->type != ENT_CONTAINER)
    return;
 
  struct ExpandoNode *child = NULL;
  struct ExpandoNode **np = NULL;
  size_t size = 0;
  ARRAY_FOREACH(np, &node->children)
  {
    if (!np || !*np)
      continue;
 
    size++;
    child = *np;
  }
 
  if (size > 1)
    return;
 
  if (size == 0)
  {
    node_free(ptr);
    return;
  }
 
  ARRAY_FREE(&node->children);
  node_free(ptr);
  *ptr = child;
}

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node_container_collapse_all()

void node_container_collapse_all

(

struct ExpandoNode **

ptr

)

Remove unnecessary Containers.

Parameters

ptr	Pointer to the parent node

Definition at line 148 of file node_container.c.

{
  if (!ptr || !*ptr)
    return;
 
  struct ExpandoNode *parent = *ptr;
 
  struct ExpandoNode **np = NULL;
  ARRAY_FOREACH(np, &parent->children)
  {
    node_container_collapse_all(np);
  }
 
  node_container_collapse(ptr);
}

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