/* * Copyright (c) 2011 Martin Sucha * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * - Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * - Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * - The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef TOK_H #define TOK_H typedef enum { TOKTYPE_TEXT, TOKTYPE_PIPE, TOKTYPE_SPACE } token_type_t; typedef struct { char *text; size_t byte_start; size_t char_start; size_t byte_length; size_t char_length; token_type_t type; } token_t; typedef struct { char *in; size_t in_offset; size_t last_in_offset; size_t in_char_offset; size_t last_in_char_offset; char *outbuf; size_t outbuf_offset; size_t outbuf_size; size_t outbuf_last_start; token_t *outtok; token_type_t current_type; size_t outtok_offset; size_t outtok_size; } tokenizer_t; extern errno_t tok_init(tokenizer_t *, char *, token_t *, size_t); extern void tok_fini(tokenizer_t *); extern errno_t tok_tokenize(tokenizer_t *, size_t *); #endif