node.h

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#ifndef MUTT_EXPANDO_NODE_H
#define MUTT_EXPANDO_NODE_H
 
#include <stdbool.h>
#include "mutt/lib.h"
#include "format.h"
#include "render.h"
 
enum ExpandoNodeType
{
  ENT_EMPTY = 0,      
  ENT_TEXT,           
  ENT_EXPANDO,        
  ENT_PADDING,        
  ENT_CONDITION,      
  ENT_CONDBOOL,       
  ENT_CONDDATE,       
  ENT_CONTAINER,      
};
 
ARRAY_HEAD(ExpandoNodeArray, struct ExpandoNode *);
 
struct ExpandoFormat
{
  int                min_cols;        
  int                max_cols;        
  enum FormatJustify justification;   
  char               leader;          
  bool               lower;           
  const char        *start;           
  const char        *end;             
};
 
struct ExpandoNode
{
  enum ExpandoNodeType    type;          
  struct ExpandoNode     *next;          
  int                     did;           
  int                     uid;           
 
  struct ExpandoFormat   *format;        
 
  struct ExpandoNodeArray children;      
 
  const char             *start;         
  const char             *end;           
 
  void *ndata;                           
  void (*ndata_free)(void **ptr);        
 
  int (*render)(const struct ExpandoNode *node, const struct ExpandoRenderData *rdata, struct Buffer *buf, int max_cols, void *data, MuttFormatFlags flags);
};
 
struct ExpandoNode *node_new(void);
 
void node_free     (struct ExpandoNode **ptr);
void node_tree_free(struct ExpandoNode **ptr);
 
void                node_append   (struct ExpandoNode **root, struct ExpandoNode *new_node);
struct ExpandoNode *node_get_child(const struct ExpandoNode *node, int index);
 
struct ExpandoNode *node_last (struct ExpandoNode *node);
 
#endif /* MUTT_EXPANDO_NODE_H */