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/* $Id$ */
/*
* Copyright (c) 2008 Kristaps Dzonsons <kristaps@kth.se>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the
* above copyright notice and this permission notice appear in all
* copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
* AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include "libmdocml.h"
#include "private.h"
#include "ml.h"
#ifdef __linux__
extern size_t strlcat(char *, const char *, size_t);
extern size_t strlcpy(char *, const char *, size_t);
#endif
int
ml_putstring(struct md_mbuf *p, const char *buf, size_t *pos)
{
return(ml_nputstring(p, buf, strlen(buf), pos));
}
int
ml_nputstring(struct md_mbuf *p,
const char *buf, size_t sz, size_t *pos)
{
int i, v;
const char *seq;
size_t ssz;
for (i = 0; i < (int)sz; i++) {
switch (buf[i]) {
/* Escaped value. */
case ('\\'):
if (-1 == (v = rofftok_scan(buf, &i))) {
/* TODO: error. */
return(0);
}
switch (v) {
case (ROFFTok_Sp_A):
seq = "\\a";
ssz = 2;
break;
case (ROFFTok_Sp_B):
seq = "\\b";
ssz = 2;
break;
case (ROFFTok_Sp_F):
seq = "\\f";
ssz = 2;
break;
case (ROFFTok_Sp_N):
seq = "\\n";
ssz = 2;
break;
case (ROFFTok_Sp_R):
seq = "\\r";
ssz = 2;
break;
case (ROFFTok_Sp_T):
seq = "\\t";
ssz = 2;
break;
case (ROFFTok_Sp_V):
seq = "\\v";
ssz = 2;
break;
case (ROFFTok_Sp_0):
seq = "\\0";
ssz = 2;
break;
case (ROFFTok_Space):
seq = " ";
ssz = 6;
break;
case (ROFFTok_Hyphen):
seq = "‐";
ssz = 7;
break;
case (ROFFTok_Em):
seq = "—";
ssz = 7;
break;
case (ROFFTok_En):
seq = "–";
ssz = 7;
break;
case (ROFFTok_Ge):
seq = "≥";
ssz = 7;
break;
case (ROFFTok_Le):
seq = "≤";
ssz = 7;
break;
case (ROFFTok_Rquote):
seq = "”";
ssz = 7;
break;
case (ROFFTok_Lquote):
seq = "“";
ssz = 7;
break;
case (ROFFTok_Uparrow):
seq = "↑";
ssz = 7;
break;
case (ROFFTok_Acute):
seq = "´";
ssz = 6;
break;
case (ROFFTok_Grave):
seq = "`";
ssz = 5;
break;
case (ROFFTok_Pi):
seq = "π";
ssz = 6;
break;
case (ROFFTok_Ne):
seq = "≠";
ssz = 7;
break;
case (ROFFTok_Lt):
seq = "<";
ssz = 4;
break;
case (ROFFTok_Gt):
seq = ">";
ssz = 4;
break;
case (ROFFTok_Plusmin):
seq = "±";
ssz = 6;
break;
case (ROFFTok_Infty):
seq = "∞";
ssz = 7;
break;
case (ROFFTok_Bar):
seq = "|";
ssz = 6;
break;
case (ROFFTok_Nan):
seq = "Nan";
ssz = 3;
break;
case (ROFFTok_Quote):
seq = """;
ssz = 6;
break;
case (ROFFTok_Slash):
seq = "\\";
ssz = 1;
break;
case (ROFFTok_Null):
seq = "";
ssz = 0;
break;
default:
/* TODO: print error. */
return(-1);
}
break;
/* Ampersand ml-escape. */
case ('&'):
seq = "&";
ssz = 5;
break;
/* Quotation ml-escape. */
case ('"'):
seq = """;
ssz = 6;
break;
/* Lt ml-escape. */
case ('<'):
seq = "<";
ssz = 4;
break;
/* Gt ml-escape. */
case ('>'):
seq = ">";
ssz = 4;
break;
default:
seq = &buf[i];
ssz = 1;
break;
}
if (ssz > 0 && ! ml_nputs(p, seq, ssz, pos))
return(-1);
}
return(1);
}
int
ml_nputs(struct md_mbuf *p, const char *buf, size_t sz, size_t *pos)
{
if (0 == sz)
return(1);
if ( ! md_buf_puts(p, buf, sz))
return(0);
*pos += sz;
return(1);
}
int
ml_puts(struct md_mbuf *p, const char *buf, size_t *pos)
{
size_t sz;
if (0 == (sz = strlen(buf)))
return(1);
if ( ! md_buf_puts(p, buf, sz))
return(0);
*pos += sz;
return(1);
}
int
ml_putchars(struct md_mbuf *p, char buf, size_t count, size_t *pos)
{
size_t i;
for (i = 0; i < count; i++)
if ( ! ml_nputs(p, &buf, 1, pos))
return(0);
return(1);
}
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