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/*
Copyright (C) 2000-2005 SKYRIX Software AG
This file is part of SOPE.
SOPE is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License as published by the
Free Software Foundation; either version 2, or (at your option) any
later version.
SOPE is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
License for more details.
You should have received a copy of the GNU Lesser General Public
License along with SOPE; see the file COPYING. If not, write to the
Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
02111-1307, USA.
*/
#include <NGMime/NGMimeType.h>
#include <NGMime/NGMimeUtilities.h>
#include <string.h>
typedef struct {
NSString *charset;
NSString *q;
NSString *boundary;
NSString *name;
NSString *fileName;
NSString *reportType;
} NGMimeParameterConstants;
static NGMimeParameterConstants *MimeParameterConstants = NULL;
static Class NSStringClass = Nil;
static int MimeLogEnabled = -1;
static NSString *_stringForParameterName(char *_type, int _len) {
if (NSStringClass == Nil)
NSStringClass = [NSString class];
if (MimeLogEnabled == -1) {
MimeLogEnabled = [[NSUserDefaults standardUserDefaults]
boolForKey:@"MimeLogEnabled"]?1:0;
}
if (MimeParameterConstants == NULL) {
MimeParameterConstants = malloc(sizeof(NGMimeParameterConstants));
MimeParameterConstants->charset = NGMimeParameterTextCharset;
MimeParameterConstants->q = @"q";
MimeParameterConstants->name = @"name";
MimeParameterConstants->boundary = @"boundary";
MimeParameterConstants->fileName = @"filename";
MimeParameterConstants->reportType = @"report-type";
}
switch (_len) {
case 0:
return @"";
case 1:
if (_type[0] == 'q')
return MimeParameterConstants->q;
break;
case 4:
if (strncmp(_type, "name", 4) == 0)
return MimeParameterConstants->name;
break;
case 7:
if (strncmp(_type, "charset", 7) == 0)
return MimeParameterConstants->charset;
break;
case 8:
if (strncmp(_type, "boundary", 8) == 0)
return MimeParameterConstants->boundary;
if (strncmp(_type, "filename", 8) == 0)
return MimeParameterConstants->fileName;
break;
case 11:
if (strncmp(_type, "report-type", 11) == 0)
return MimeParameterConstants->reportType;
break;
}
return [NSStringClass stringWithCString:_type length:_len];
}
NSDictionary *parseParameters(id self, NSString *_str, unichar *cstr) {
if (*cstr != '\0') {
NSMutableDictionary *paras;
paras = [[NSMutableDictionary alloc] initWithCapacity:8];
do {
unsigned len;
unichar *tmp;
NSString *attrName, *attrValue;
attrValue = nil;
attrName = nil;
// consume end of previous entry (spaces and ';')
while ((*cstr == ';') || isRfc822_LWSP(*cstr))
cstr++;
// parse attribute
tmp = cstr;
len = 0;
while ((*cstr != '\0') && (isMime_ValidTypeAttributeChar(*cstr))) {
cstr++;
len++;
}
if (len == 0)
break;
{
unsigned char buf[len + 1];
register unsigned i;
buf[len] = '\0';
for (i = 0; i < len; i++) buf[i] = tolower(tmp[i]);
attrName = _stringForParameterName((char *)buf, len);
}
// skip spaces
while ((*cstr != '\0') && (isRfc822_LWSP(*cstr))) {
cstr++;
}
// no value was given for attribute
if (*cstr == '\0') {
if (MimeLogEnabled)
[self logWithFormat:@"WARNING(%s): attribute '%@' has no value in "
@"MimeType '%@'", __PRETTY_FUNCTION__, attrName, _str];
break; // exit loop
}
// expect '='
if (*cstr != '=') {
if (MimeLogEnabled)
[self logWithFormat:@"WARNING(%s): attribute '%@', missing '=' "
@"in MimeType '%@'", __PRETTY_FUNCTION__, attrName, _str];
break; // exit loop
}
cstr++;
// skip spaces
while ((*cstr != '\0') && (isRfc822_LWSP(*cstr)))
cstr++;
/* no value was given for parameter */
if (*cstr == '\0') {
if (MimeLogEnabled)
[self logWithFormat:@"WARNING(%s): attribute '%@' has no value "
@"in MimeType '%@'", __PRETTY_FUNCTION__, attrName, _str];
break; // exit loop
}
/* now parameter read value */
if (isRfc822_QUOTE(*cstr)) { // quoted value
cstr++;
tmp = cstr;
len = 0;
while (!isRfc822_QUOTE(*cstr) && (*cstr != '\0')) {
cstr++;
len++;
}
attrValue = [[[NSString alloc] initWithCharacters:tmp length:len]
autorelease];
if (*cstr == '\0') { // quote was not closed
if (MimeLogEnabled)
[self logWithFormat:@"WARNING(%s): value-quotes in attribute "
@"'%@' were not closed in MimeType '%@'",
__PRETTY_FUNCTION__, attrName, _str];
break; // exit loop
}
cstr++; // skip closing quote
}
else { /* value without quotes */
tmp = cstr;
len = 0;
while (*cstr != '\0') {
if (isRfc822_SPACE(*cstr)) break;
if (isRfc822_CTL(*cstr)) break;
if (*cstr == ';') break; /* parameter separator */
cstr++;
len++;
}
attrValue = [[[NSString alloc] initWithCharacters:tmp length:len]
autorelease];
}
/* store attr/value pair in dictionary */
[paras setObject:attrValue forKey:attrName];
attrName = nil;
attrValue = nil;
/* skip spaces */
while ((*cstr != '\0') && (isRfc822_LWSP(*cstr)))
cstr++;
if (*cstr == ';') // skip ';' (attribute separator)
cstr++;
else if (*cstr == '\0') /* parsing is finished, exit loop */
break; // exit loop
else {
if (MimeLogEnabled)
[self logWithFormat:@"WARNING(%s): expected end of string or ';', "
@"got '%c'%i (str='%@')", __PRETTY_FUNCTION__, *cstr,
*cstr, _str];
break; // exit loop
}
/* skip spaces */
while ((*cstr != '\0') && (isRfc822_LWSP(*cstr)))
cstr++;
}
while (YES);
return [paras autorelease];
}
return nil;
}
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