node_text.c

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#include "config.h"
#include <stdbool.h>
#include "mutt/lib.h"
#include "node_text.h"
#include "format.h"
#include "node.h"
#include "render.h"
 
static int node_text_render(const struct ExpandoNode *node,
                            const struct ExpandoRenderData *rdata, struct Buffer *buf,
                            int max_cols, void *data, MuttFormatFlags flags)
{
  ASSERT(node->type == ENT_TEXT);
 
  const int num_bytes = node->end - node->start;
  return format_string(buf, 0, max_cols, JUSTIFY_LEFT, ' ', node->start, num_bytes, false);
}
 
struct ExpandoNode *node_text_new(const char *start, const char *end)
{
  struct ExpandoNode *node = node_new();
 
  node->type = ENT_TEXT;
  node->start = start;
  node->end = end;
  node->render = node_text_render;
 
  return node;
}
 
static const char *skip_until_ch_or_end(const char *start, char terminator, const char *end)
{
  while (*start)
  {
    if (*start == terminator)
    {
      break;
    }
 
    if (end && (start > (end - 1)))
    {
      break;
    }
 
    start++;
  }
 
  return start;
}
 
struct ExpandoNode *node_text_parse(const char *str, const char *end, const char **parsed_until)
{
  const char *text_end = skip_until_ch_or_end(str, '%', end);
  *parsed_until = text_end;
  return node_text_new(str, text_end);
}