parse.c

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#include "config.h"
#include <stdbool.h>
#include <stdio.h>
#include "parse.h"
#include "definition.h"
#include "node.h"
#include "node_condition.h"
#include "node_expando.h"
#include "node_text.h"
 
struct ExpandoNode *node_parse_one(const char *str, NodeTextTermFlags term_chars,
                                   const struct ExpandoDefinition *defs,
                                   const char **parsed_until, struct ExpandoParseError *err)
{
  if (!str || (*str == '\0') || !defs || !parsed_until || !err)
    return NULL;
 
  struct ExpandoNode *node = NULL;
 
  node = node_text_parse(str, term_chars, parsed_until);
  if (node)
    return node;
 
  node = node_condition_parse(str, term_chars, defs, parsed_until, err);
  if (node)
    return node;
 
  // TODO parser for %{name}
 
  return node_expando_parse(str, defs, EP_NO_FLAGS, parsed_until, err);
}
 
bool node_parse_many(struct ExpandoNode *node_cont, const char *str,
                     NodeTextTermFlags term_chars, const struct ExpandoDefinition *defs,
                     const char **parsed_until, struct ExpandoParseError *err)
{
  if (!node_cont || !str || !parsed_until || !err)
    return false;
 
  while (*str)
  {
    if ((str[0] == '&') && (term_chars & NTE_AMPERSAND))
      break;
 
    if ((str[0] == '>') && (term_chars & NTE_GREATER))
      break;
 
    if ((str[0] == '?') && (term_chars & NTE_QUESTION))
      break;
 
    struct ExpandoNode *node = node_parse_one(str, term_chars, defs, parsed_until, err);
    if (!node)
      return false;
 
    node_add_child(node_cont, node);
    str = *parsed_until;
  }
 
  *parsed_until = str;
  return true;
}