mirror of
https://github.com/php/php-src.git
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100 lines
2.4 KiB
C
100 lines
2.4 KiB
C
/* $Id$ */
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/*
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** Copyright 1998 - 1999 Double Precision, Inc. See COPYING for
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** distribution information.
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*/
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#include "php.h"
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#include "php_mailparse.h"
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static void start_rwprep(struct rfc2045ac *, struct rfc2045 *);
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static void do_rwprep(struct rfc2045ac *, const char *, size_t);
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static void end_rwprep(struct rfc2045ac *);
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static struct rfc2045ac rfc2045acprep={
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&start_rwprep,
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&do_rwprep,
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&end_rwprep};
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#define h2nyb(c) ( (c) >= 'a' && (c) <= 'f' ? (c)-('a'-10): \
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(c) >= 'A' && (c) <= 'F' ? (c)-('A'-10): (c)-'0')
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struct rfc2045 *rfc2045_alloc_ac()
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{
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struct rfc2045 *p=rfc2045_alloc();
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if (p)
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{
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p->rfc2045acptr = emalloc(sizeof(struct rfc2045ac));
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memcpy(p->rfc2045acptr, &rfc2045acprep, sizeof(struct rfc2045ac));
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p->rfc2045acptr->curlinepos = 0;
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p->rfc2045acptr->currwp = NULL;
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}
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return (p);
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}
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static void start_rwprep(struct rfc2045ac * this_ptr, struct rfc2045 *p)
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{
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this_ptr->currwp = p;
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this_ptr->curlinepos=0;
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this_ptr->curstate=rfc2045ac_raw;
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if (p->content_transfer_encoding)
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{
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if (strcmp(p->content_transfer_encoding,
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"quoted-printable") == 0)
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this_ptr->curstate = rfc2045ac_quotedprint;
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else if (strcmp(p->content_transfer_encoding, "base64") == 0)
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this_ptr->curstate = rfc2045ac_base64;
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}
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}
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static void do_rwprep(struct rfc2045ac * this_ptr, const char * p, size_t n)
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{
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if (!this_ptr->currwp)
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return;
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for ( ; n; --n, ++p)
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switch (this_ptr->curstate) {
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case rfc2045ac_quotedprint:
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if (*p == '=')
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{
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this_ptr->curstate = rfc2045ac_qpseeneq;
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continue;
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}
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/* FALLTHRU */
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case rfc2045ac_raw:
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if (*p == '\r' || *p == '\n')
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this_ptr->curlinepos = 0;
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else if (++this_ptr->curlinepos > 500)
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this_ptr->currwp->haslongline = 1;
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if ((unsigned char)*p >= 127)
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this_ptr->currwp->has8bitchars = 1;
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break;
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case rfc2045ac_qpseeneq:
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if (*p == '\n')
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{
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this_ptr->curstate = rfc2045ac_quotedprint;
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continue;
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}
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if (isspace((int)(unsigned char)*p)) continue; /* Ignore WSP */
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this_ptr->statechar = *p;
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this_ptr->curstate = rfc2045ac_qpseeneqh;
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continue;
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case rfc2045ac_qpseeneqh:
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this_ptr->curstate = rfc2045ac_quotedprint;
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if ( (unsigned char)
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( (h2nyb(this_ptr->statechar) << 4) + h2nyb(*p) ) >= 127
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) this_ptr->currwp->has8bitchars=1;
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if (++this_ptr->curlinepos > 500)
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this_ptr->currwp->haslongline=1;
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continue;
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case rfc2045ac_base64:
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break;
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}
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}
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static void end_rwprep(struct rfc2045ac * this_ptr)
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{
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}
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