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/* ***** 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 );
}
}
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