Mercurial > dnsbl
view src/tokenizer.h @ 393:dffedbdc8566 stable-6-0-51-2
start parsing spf txt records
author | Carl Byington <carl@five-ten-sg.com> |
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date | Mon, 06 Mar 2017 18:39:09 -0800 |
parents | 82886d4dd71f |
children | 5209e92b4885 |
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/* Copyright (c) 2007 Carl Byington - 510 Software Group, released under the GPL version 3 or any later version at your choice available at http://www.gnu.org/licenses/gpl-3.0.txt */ using namespace std; struct ltstr { bool operator()(const char* s1, const char* s2) const { return strcmp(s1, s2) < 0; } }; typedef list<ifstream *> stream_list; typedef list<const char *> string_list; typedef set<const char *, ltstr> string_set; typedef list<int> line_list; class TOKEN { stream_list streams; string_list filenames; string_set filenamess; line_list linenumbers; string_list pending_tokens; string_set *include_files; bool pushed; u_char pushed_char; void pop(); bool next_char(u_char &c); void push_char(u_char c); public: TOKEN(const char *fn, string_set *includes); ~TOKEN(); bool include(const char *fn); const char *next(); // return next token int nextint(); void skipeol(); // skip to eol void push(const char *token) {pending_tokens.push_front(token);}; const char *cur_fn() {return filenames.empty() ? "" : filenames.front();}; int cur_line() {return linenumbers.empty() ? 0 : linenumbers.front();}; void token_error(const char *err); void token_error(const char *fmt, int d, const char *s); void token_error(const char *fmt, const char *t, const char *h); void token_error(const char *want, const char *have); void token_error(); };