X-Git-Url: http://lists.indexdata.dk/cgi-bin?a=blobdiff_plain;f=ccl%2Fccltoken.c;h=a7c38964c95285ee6962a71fa39aed3c00996dfa;hb=31fe48365bb01d1b4e9683cb074a7303d1f10d40;hp=51cdf0e2831a4ee39b55b3f21d12f95f0b760159;hpb=ddccceb2d9e85c93eca315233f73adf6743bc2bf;p=egate.git diff --git a/ccl/ccltoken.c b/ccl/ccltoken.c index 51cdf0e..a7c3896 100644 --- a/ccl/ccltoken.c +++ b/ccl/ccltoken.c @@ -1,8 +1,58 @@ +/* + * Copyright (c) 1995, the EUROPAGATE consortium (see below). + * + * The EUROPAGATE consortium members are: + * + * University College Dublin + * Danmarks Teknologiske Videnscenter + * An Chomhairle Leabharlanna + * Consejo Superior de Investigaciones Cientificas + * + * Permission to use, copy, modify, distribute, and sell this software and + * its documentation, in whole or in part, for any purpose, is hereby granted, + * provided that: + * + * 1. This copyright and permission notice appear in all copies of the + * software and its documentation. Notices of copyright or attribution + * which appear at the beginning of any file must remain unchanged. + * + * 2. The names of EUROPAGATE or the project partners may not be used to + * endorse or promote products derived from this software without specific + * prior written permission. + * + * 3. Users of this software (implementors and gateway operators) agree to + * inform the EUROPAGATE consortium of their use of the software. This + * information will be used to evaluate the EUROPAGATE project and the + * software, and to plan further developments. The consortium may use + * the information in later publications. + * + * 4. Users of this software agree to make their best efforts, when + * documenting their use of the software, to acknowledge the EUROPAGATE + * consortium, and the role played by the software in their work. + * + * THIS SOFTWARE IS PROVIDED "AS IS" AND WITHOUT WARRANTY OF ANY KIND, + * EXPRESS, IMPLIED, OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY + * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. + * IN NO EVENT SHALL THE EUROPAGATE CONSORTIUM OR ITS MEMBERS BE LIABLE + * FOR ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF + * ANY KIND, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA + * OR PROFITS, WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND + * ON ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE + * USE OR PERFORMANCE OF THIS SOFTWARE. + * + */ /* CCL - lexical analysis * Europagate, 1995 * * $Log: ccltoken.c,v $ - * Revision 1.8 1995/05/11 14:03:57 adam + * Revision 1.10 1995/07/11 12:28:31 adam + * New function: ccl_token_simple (split into simple tokens) and + * ccl_token_del (delete tokens). + * + * Revision 1.9 1995/05/16 09:39:28 adam + * LICENSE. + * + * Revision 1.8 1995/05/11 14:03:57 adam * Changes in the reading of qualifier(s). New function: ccl_qual_fitem. * New variable ccl_case_sensitive, which controls whether reserved * words and field names are case sensitive or not. @@ -79,6 +129,67 @@ static int token_cmp (const char *kw, struct ccl_token *token) } /* + * ccl_token_simple: tokenize CCL raw tokens + */ +struct ccl_token *ccl_token_simple (const char *command) +{ + const char *cp = command; + struct ccl_token *first = NULL; + struct ccl_token *last = NULL; + + while (1) + { + while (*cp && strchr (" \t\r\n", *cp)) + { + cp++; + continue; + } + if (!first) + { + first = last = malloc (sizeof (*first)); + assert (first); + last->prev = NULL; + } + else + { + last->next = malloc (sizeof(*first)); + assert (last->next); + last->next->prev = last; + last = last->next; + } + last->next = NULL; + last->name = cp; + last->len = 1; + switch (*cp++) + { + case '\0': + last->kind = CCL_TOK_EOL; + return first; + case '\"': + last->kind = CCL_TOK_TERM; + last->name = cp; + last->len = 0; + while (*cp && *cp != '\"') + { + cp++; + ++ last->len; + } + if (*cp == '\"') + cp++; + break; + default: + while (*cp && !strchr (" \t\n\r", *cp)) + { + cp++; + ++ last->len; + } + last->kind = CCL_TOK_TERM; + } + } + return first; +} + +/* * ccl_tokenize: tokenize CCL command string. * return: CCL token list. */ @@ -183,3 +294,18 @@ struct ccl_token *ccl_tokenize (const char *command) } return first; } + +/* + * ccl_token_del: delete CCL tokens + */ +void ccl_token_del (struct ccl_token *list) +{ + struct ccl_token *list1; + + while (list) + { + list1 = list->next; + free (list); + list = list1; + } +}