node_condition.h File Reference

Expando Node for a Condition. More...

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Enumerations
enum	ExpandoConditionStart { CON_NO_CONDITION , CON_START }
	Signals node_parse() if the parsing started in a conditional statement or not. More...
enum	ENCondition { ENC_CONDITION , ENC_TRUE , ENC_FALSE }
	Names for the Condition's children. More...

Functions
struct ExpandoNode *	node_condition_new (struct ExpandoNode *condition, struct ExpandoNode *if_true_tree, struct ExpandoNode *if_false_tree)
	Create a new Condition Expando Node.

Detailed Description

Expando Node for a Condition.

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_condition.h.

Enumeration Type Documentation

ExpandoConditionStart

enum ExpandoConditionStart

Signals node_parse() if the parsing started in a conditional statement or not.

Easier to read than a simple true, false.

Enumerator
CON_NO_CONDITION	Parser is not currently in a condition.
CON_START	Parser is working on a condition.

Definition at line 34 of file node_condition.h.

{
  CON_NO_CONDITION, 
  CON_START         
};

ENCondition

enum ENCondition

Names for the Condition's children.

A Condition has three children:

• Expando that acts as the Condition
• Tree of Expandos for the true case
• Tree of Expandos for the false case

Enumerator
ENC_CONDITION	Index of Condition Node.
ENC_TRUE	Index of True Node.
ENC_FALSE	Index of False Node.

Definition at line 48 of file node_condition.h.

{
  ENC_CONDITION,      
  ENC_TRUE,           
  ENC_FALSE,          
};

Function Documentation

node_condition_new()

struct ExpandoNode * node_condition_new	(	struct ExpandoNode *	condition,
		struct ExpandoNode *	if_true_tree,
		struct ExpandoNode *	if_false_tree
	)

Create a new Condition Expando Node.

Parameters

condition	Expando Node that will be tested
if_true_tree	Node tree for the 'true' case
if_false_tree	Node tree for the 'false' case

Return values

ptr	New Condition Expando Node

Definition at line 73 of file node_condition.c.

{
  assert(condition);
  assert(if_true_tree);
 
  struct ExpandoNode *node = node_new();
 
  node->type = ENT_CONDITION;
  node->render = node_condition_render;
 
  ARRAY_SET(&node->children, ENC_CONDITION, condition);
  ARRAY_SET(&node->children, ENC_TRUE, if_true_tree);
  ARRAY_SET(&node->children, ENC_FALSE, if_false_tree);
 
  return node;
}

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