git.ozlabs.org Git - petitboot/blob - discover/grub2/parser-api.c

   1
   2 #include <talloc/talloc.h>
   3
   4 #include "grub2.h"
   5
   6 struct grub2_statements *create_statements(struct grub2_parser *parser)
   7 {
   8         struct grub2_statements *stmts = talloc(parser,
   9                         struct grub2_statements);
  10         list_init(&stmts->list);
  11         return stmts;
  12 }
  13
  14 struct grub2_statement *create_statement_simple(struct grub2_parser *parser,
  15                 struct grub2_argv *argv)
  16 {
  17         struct grub2_statement_simple *stmt =
  18                 talloc(parser, struct grub2_statement_simple);
  19         stmt->st.type = STMT_TYPE_SIMPLE;
  20         stmt->argv = argv;
  21         return &stmt->st;
  22 }
  23
  24 struct grub2_statement *create_statement_menuentry(struct grub2_parser *parser,
  25                 struct grub2_argv *argv, struct grub2_statements *stmts)
  26 {
  27         struct grub2_statement_menuentry *stmt =
  28                 talloc(parser, struct grub2_statement_menuentry);
  29         stmt->st.type = STMT_TYPE_MENUENTRY;
  30         stmt->argv = argv;
  31         stmt->statements = stmts;
  32         return &stmt->st;
  33 }
  34
  35 struct grub2_statement *create_statement_if(struct grub2_parser *parser,
  36                 struct grub2_statement *condition,
  37                 struct grub2_statements *true_case,
  38                 struct grub2_statements *false_case)
  39 {
  40         struct grub2_statement_if *stmt =
  41                 talloc(parser, struct grub2_statement_if);
  42         stmt->st.type = STMT_TYPE_IF;
  43         stmt->condition = condition;
  44         stmt->true_case = true_case;
  45         stmt->false_case = false_case;
  46         return &stmt->st;
  47 }
  48
  49 struct grub2_statement *create_statement_block(struct grub2_parser *parser,
  50                 struct grub2_statements *stmts)
  51 {
  52         struct grub2_statement_block *stmt =
  53                 talloc(parser, struct grub2_statement_block);
  54         stmt->st.type = STMT_TYPE_BLOCK;
  55         stmt->statements = stmts;
  56         return &stmt->st;
  57 }
  58
  59 void statement_append(struct grub2_statements *stmts,
  60                 struct grub2_statement *stmt)
  61 {
  62         if (!stmt)
  63                 return;
  64         list_add_tail(&stmts->list, &stmt->list);
  65 }
  66
  67 struct grub2_word *create_word(struct grub2_parser *parser, const char *text,
  68                 bool expand, bool split)
  69 {
  70         struct grub2_word *word = talloc(parser, struct grub2_word);
  71         word->text = talloc_strdup(word, text);
  72         word->expand = expand;
  73         word->split = split;
  74         word->next = NULL;
  75         return word;
  76 }
  77
  78 struct grub2_argv *create_argv(struct grub2_parser *parser)
  79 {
  80         struct grub2_argv *argv = talloc(parser, struct grub2_argv);
  81         list_init(&argv->words);
  82         return argv;
  83 }
  84
  85 void argv_append(struct grub2_argv *argv, struct grub2_word *word)
  86 {
  87         list_add_tail(&argv->words, &word->argv_list);
  88 }
  89
  90 void word_append(struct grub2_word *w1, struct grub2_word *w2)
  91 {
  92         w1->next = w2;
  93 }