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Diffstat (limited to 'ldap/c-sdk/libldap/dsparse.c')
| -rw-r--r-- | ldap/c-sdk/libldap/dsparse.c | 227 |
1 files changed, 227 insertions, 0 deletions
diff --git a/ldap/c-sdk/libldap/dsparse.c b/ldap/c-sdk/libldap/dsparse.c new file mode 100644 index 000000000..22d411617 --- /dev/null +++ b/ldap/c-sdk/libldap/dsparse.c @@ -0,0 +1,227 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Version: MPL 1.1/GPL 2.0/LGPL 2.1 + * + * The contents of this file are subject to the Mozilla Public License Version + * 1.1 (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * http://www.mozilla.org/MPL/ + * + * Software distributed under the License is distributed on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License + * for the specific language governing rights and limitations under the + * License. + * + * The Original Code is Mozilla Communicator client code, released + * March 31, 1998. + * + * The Initial Developer of the Original Code is + * Netscape Communications Corporation. + * Portions created by the Initial Developer are Copyright (C) 1998-1999 + * the Initial Developer. All Rights Reserved. + * + * Contributor(s): + * + * Alternatively, the contents of this file may be used under the terms of + * either of the GNU General Public License Version 2 or later (the "GPL"), + * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), + * in which case the provisions of the GPL or the LGPL are applicable instead + * of those above. If you wish to allow use of your version of this file only + * under the terms of either the GPL or the LGPL, and not to allow others to + * use your version of this file under the terms of the MPL, indicate your + * decision by deleting the provisions above and replace them with the notice + * and other provisions required by the GPL or the LGPL. If you do not delete + * the provisions above, a recipient may use your version of this file under + * the terms of any one of the MPL, the GPL or the LGPL. + * + * ***** END LICENSE BLOCK ***** */ +/* + * Copyright (c) 1993, 1994 Regents of the University of Michigan. + * All rights reserved. + * + * Redistribution and use in source and binary forms are permitted + * provided that this notice is preserved and that due credit is given + * to the University of Michigan at Ann Arbor. The name of the University + * may not be used to endorse or promote products derived from this + * software without specific prior written permission. This software + * is provided ``as is'' without express or implied warranty. + */ +/* + * dsparse.c: parsing routines used by display template and search + * preference file library routines for LDAP clients. + * + */ + +#include "ldap-int.h" + +static int next_line( char **bufp, long *blenp, char **linep ); +static char *next_token( char ** sp ); + +int +nsldapi_next_line_tokens( char **bufp, long *blenp, char ***toksp ) +{ + char *p, *line, *token, **toks; + int rc, tokcnt; + + *toksp = NULL; + + if (( rc = next_line( bufp, blenp, &line )) <= 0 ) { + return( rc ); + } + + if (( toks = (char **)NSLDAPI_CALLOC( 1, sizeof( char * ))) == NULL ) { + NSLDAPI_FREE( line ); + return( -1 ); + } + tokcnt = 0; + + p = line; + while (( token = next_token( &p )) != NULL ) { + if (( toks = (char **)NSLDAPI_REALLOC( toks, ( tokcnt + 2 ) * + sizeof( char * ))) == NULL ) { + NSLDAPI_FREE( (char *)toks ); + NSLDAPI_FREE( line ); + return( -1 ); + } + toks[ tokcnt ] = token; + toks[ ++tokcnt ] = NULL; + } + + if ( tokcnt == 1 && strcasecmp( toks[ 0 ], "END" ) == 0 ) { + tokcnt = 0; + nsldapi_free_strarray( toks ); + toks = NULL; + } + + NSLDAPI_FREE( line ); + + if ( tokcnt == 0 ) { + if ( toks != NULL ) { + NSLDAPI_FREE( (char *)toks ); + } + } else { + *toksp = toks; + } + + return( tokcnt ); +} + + +static int +next_line( char **bufp, long *blenp, char **linep ) +{ + char *linestart, *line, *p; + long plen; + + linestart = *bufp; + p = *bufp; + plen = *blenp; + + do { + for ( linestart = p; plen > 0; ++p, --plen ) { + if ( *p == '\r' ) { + if ( plen > 1 && *(p+1) == '\n' ) { + ++p; + --plen; + } + break; + } + + if ( *p == '\n' ) { + if ( plen > 1 && *(p+1) == '\r' ) { + ++p; + --plen; + } + break; + } + } + ++p; + --plen; + } while ( plen > 0 && ( *linestart == '#' || linestart + 1 == p )); + + + *bufp = p; + *blenp = plen; + + + if ( plen <= 0 ) { + *linep = NULL; + return( 0 ); /* end of file */ + } + + if (( line = NSLDAPI_MALLOC( p - linestart )) == NULL ) { + *linep = NULL; + return( -1 ); /* fatal error */ + } + + SAFEMEMCPY( line, linestart, p - linestart ); + line[ p - linestart - 1 ] = '\0'; + *linep = line; + return( strlen( line )); +} + + +static char * +next_token( char **sp ) +{ + int in_quote = 0; + char *p, *tokstart, *t; + + if ( **sp == '\0' ) { + return( NULL ); + } + + p = *sp; + + while ( ldap_utf8isspace( p )) { /* skip leading white space */ + ++p; + } + + if ( *p == '\0' ) { + return( NULL ); + } + + if ( *p == '\"' ) { + in_quote = 1; + ++p; + } + t = tokstart = p; + + for ( ;; ) { + if ( *p == '\0' || ( ldap_utf8isspace( p ) && !in_quote )) { + if ( *p != '\0' ) { + ++p; + } + *t++ = '\0'; /* end of token */ + break; + } + + if ( *p == '\"' ) { + in_quote = !in_quote; + ++p; + } else { + *t++ = *p++; + } + } + + *sp = p; + + if ( t == tokstart ) { + return( NULL ); + } + + return( nsldapi_strdup( tokstart )); +} + + +void +nsldapi_free_strarray( char **sap ) +{ + int i; + + if ( sap != NULL ) { + for ( i = 0; sap[ i ] != NULL; ++i ) { + NSLDAPI_FREE( sap[ i ] ); + } + NSLDAPI_FREE( (char *)sap ); + } +} |