-/* $Id: term.c,v 1.3 2009/02/21 14:56:58 kristaps Exp $ */
+/* $Id: term.c,v 1.7 2009/02/22 14:31:08 kristaps Exp $ */
/*
- * Copyright (c) 2008 Kristaps Dzonsons <kristaps@kth.se>
+ * Copyright (c) 2008, 2009 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
*/
#include <assert.h>
#include <ctype.h>
-#include <curses.h>
#include <err.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
-#include <term.h>
#include <unistd.h>
-#include "private.h"
+#ifdef __linux__
+#include <time.h>
+#endif
-enum termesc {
- ESC_CLEAR,
- ESC_BOLD,
- ESC_UNDERLINE
-};
-
-struct termp {
- size_t rmargin;
- size_t maxrmargin;
- size_t maxcols;
- size_t offset;
- size_t col;
- int flags;
-#define TERMP_BOLD (1 << 0) /* Embolden words. */
-#define TERMP_UNDERLINE (1 << 1) /* Underline words. */
-#define TERMP_NOSPACE (1 << 2) /* No space before words. */
-#define TERMP_NOLPAD (1 << 3) /* No left-padding. */
-#define TERMP_NOBREAK (1 << 4) /* No break after line */
- char *buf;
-};
+#include "term.h"
-struct termact {
- int (*pre)(struct termp *,
- const struct mdoc_meta *,
- const struct mdoc_node *);
- int (*post)(struct termp *,
- const struct mdoc_meta *,
- const struct mdoc_node *);
+enum termstyle {
+ STYLE_CLEAR,
+ STYLE_BOLD,
+ STYLE_UNDERLINE
};
static void termprint_r(struct termp *,
static void termprint_footer(struct termp *,
const struct mdoc_meta *);
-static int arg_hasattr(int, size_t,
- const struct mdoc_arg *);
-static int arg_getattr(int, size_t,
- const struct mdoc_arg *);
-
-static void newln(struct termp *);
-static void vspace(struct termp *);
static void pword(struct termp *, const char *, size_t);
-static void word(struct termp *, const char *);
-
-#define decl_prepost(name, suffix) \
-static int name##_##suffix(struct termp *, \
- const struct mdoc_meta *, \
- const struct mdoc_node *)
-
-#define decl_pre(name) decl_prepost(name, pre)
-#define decl_post(name) decl_prepost(name, post)
-
-decl_pre(termp_fl);
-decl_pre(termp_it);
-decl_pre(termp_nd);
-decl_pre(termp_ns);
-decl_pre(termp_op);
-decl_pre(termp_pp);
-decl_pre(termp_sh);
-
-decl_post(termp_bl);
-decl_post(termp_it);
-decl_post(termp_op);
-decl_post(termp_sh);
-
-decl_pre(termp_bold);
-decl_pre(termp_under);
-
-decl_post(termp_bold);
-decl_post(termp_under);
-
-const struct termact termacts[MDOC_MAX] = {
- { NULL, NULL }, /* \" */
- { NULL, NULL }, /* Dd */
- { NULL, NULL }, /* Dt */
- { NULL, NULL }, /* Os */
- { termp_sh_pre, termp_sh_post }, /* Sh */
- { NULL, NULL }, /* Ss */
- { termp_pp_pre, NULL }, /* Pp */
- { NULL, NULL }, /* D1 */
- { NULL, NULL }, /* Dl */
- { NULL, NULL }, /* Bd */
- { NULL, NULL }, /* Ed */
- { NULL, termp_bl_post }, /* Bl */
- { NULL, NULL }, /* El */
- { termp_it_pre, termp_it_post }, /* It */
- { NULL, NULL }, /* Ad */
- { NULL, NULL }, /* An */
- { termp_under_pre, termp_under_post }, /* Ar */
- { NULL, NULL }, /* Cd */
- { NULL, NULL }, /* Cm */
- { NULL, NULL }, /* Dv */
- { NULL, NULL }, /* Er */
- { NULL, NULL }, /* Ev */
- { NULL, NULL }, /* Ex */
- { NULL, NULL }, /* Fa */
- { NULL, NULL }, /* Fd */
- { termp_fl_pre, termp_bold_post }, /* Fl */
- { NULL, NULL }, /* Fn */
- { NULL, NULL }, /* Ft */
- { NULL, NULL }, /* Ic */
- { NULL, NULL }, /* In */
- { NULL, NULL }, /* Li */
- { termp_nd_pre, NULL }, /* Nd */
- { termp_bold_pre, termp_bold_post }, /* Nm */
- { termp_op_pre, termp_op_post }, /* Op */
- { NULL, NULL }, /* Ot */
- { NULL, NULL }, /* Pa */
- { NULL, NULL }, /* Rv */
- { NULL, NULL }, /* St */
- { NULL, NULL }, /* Va */
- { NULL, NULL }, /* Vt */
- { NULL, NULL }, /* Xr */
- { NULL, NULL }, /* %A */
- { NULL, NULL }, /* %B */
- { NULL, NULL }, /* %D */
- { NULL, NULL }, /* %I */
- { NULL, NULL }, /* %J */
- { NULL, NULL }, /* %N */
- { NULL, NULL }, /* %O */
- { NULL, NULL }, /* %P */
- { NULL, NULL }, /* %R */
- { NULL, NULL }, /* %T */
- { NULL, NULL }, /* %V */
- { NULL, NULL }, /* Ac */
- { NULL, NULL }, /* Ao */
- { NULL, NULL }, /* Aq */
- { NULL, NULL }, /* At */
- { NULL, NULL }, /* Bc */
- { NULL, NULL }, /* Bf */
- { NULL, NULL }, /* Bo */
- { NULL, NULL }, /* Bq */
- { NULL, NULL }, /* Bsx */
- { NULL, NULL }, /* Bx */
- { NULL, NULL }, /* Db */
- { NULL, NULL }, /* Dc */
- { NULL, NULL }, /* Do */
- { NULL, NULL }, /* Dq */
- { NULL, NULL }, /* Ec */
- { NULL, NULL }, /* Ef */
- { NULL, NULL }, /* Em */
- { NULL, NULL }, /* Eo */
- { NULL, NULL }, /* Fx */
- { NULL, NULL }, /* Ms */
- { NULL, NULL }, /* No */
- { termp_ns_pre, NULL }, /* Ns */
- { NULL, NULL }, /* Nx */
- { NULL, NULL }, /* Ox */
- { NULL, NULL }, /* Pc */
- { NULL, NULL }, /* Pf */
- { NULL, NULL }, /* Po */
- { NULL, NULL }, /* Pq */
- { NULL, NULL }, /* Qc */
- { NULL, NULL }, /* Ql */
- { NULL, NULL }, /* Qo */
- { NULL, NULL }, /* Qq */
- { NULL, NULL }, /* Re */
- { NULL, NULL }, /* Rs */
- { NULL, NULL }, /* Sc */
- { NULL, NULL }, /* So */
- { NULL, NULL }, /* Sq */
- { NULL, NULL }, /* Sm */
- { NULL, NULL }, /* Sx */
- { NULL, NULL }, /* Sy */
- { NULL, NULL }, /* Tn */
- { NULL, NULL }, /* Ux */
- { NULL, NULL }, /* Xc */
- { NULL, NULL }, /* Xo */
- { NULL, NULL }, /* Fo */
- { NULL, NULL }, /* Fc */
- { NULL, NULL }, /* Oo */
- { NULL, NULL }, /* Oc */
- { NULL, NULL }, /* Bk */
- { NULL, NULL }, /* Ek */
- { NULL, NULL }, /* Bt */
- { NULL, NULL }, /* Hf */
- { NULL, NULL }, /* Fr */
- { NULL, NULL }, /* Ud */
-};
-
+static void pescape(struct termp *,
+ const char *, size_t *, size_t);
+static void chara(struct termp *, char);
+static void style(struct termp *, enum termstyle);
-static int
-arg_hasattr(int arg, size_t argc, const struct mdoc_arg *argv)
-{
-
- return(-1 != arg_getattr(arg, argc, argv));
-}
+#ifdef __linux__
+extern size_t strlcat(char *, const char *, size_t);
+extern size_t strlcpy(char *, const char *, size_t);
+#endif
-
-static int
-arg_getattr(int arg, size_t argc, const struct mdoc_arg *argv)
-{
- int i;
-
- for (i = 0; i < (int)argc; i++)
- if (argv[i].arg == arg)
- return(i);
- return(-1);
-}
-
-
-static void
+void
flushln(struct termp *p)
{
size_t i, j, vsz, vis, maxvis;
}
-static void
+void
newln(struct termp *p)
{
}
-static void
+void
vspace(struct termp *p)
{
static void
-escape(struct termp *p, enum termesc esc)
+style(struct termp *p, enum termstyle esc)
{
if (p->col + 4 >= p->maxcols)
p->buf[(p->col)++] = 27;
p->buf[(p->col)++] = '[';
switch (esc) {
- case (ESC_CLEAR):
+ case (STYLE_CLEAR):
p->buf[(p->col)++] = '0';
break;
- case (ESC_BOLD):
+ case (STYLE_BOLD):
p->buf[(p->col)++] = '1';
break;
- case (ESC_UNDERLINE):
+ case (STYLE_UNDERLINE):
p->buf[(p->col)++] = '4';
break;
default:
}
+static void
+pescape(struct termp *p, const char *word, size_t *i, size_t len)
+{
+
+ (*i)++;
+ assert(*i < len);
+
+ if ('(' == word[*i]) {
+ /* Two-character escapes. */
+ (*i)++;
+ assert(*i + 1 < len);
+
+ if ('r' == word[*i] && 'B' == word[*i + 1])
+ chara(p, ']');
+ else if ('l' == word[*i] && 'B' == word[*i + 1])
+ chara(p, '[');
+
+ (*i)++;
+ return;
+
+ } else if ('[' != word[*i]) {
+ /* One-character escapes. */
+ switch (word[*i]) {
+ case ('\\'):
+ /* FALLTHROUGH */
+ case ('\''):
+ /* FALLTHROUGH */
+ case ('`'):
+ /* FALLTHROUGH */
+ case ('-'):
+ /* FALLTHROUGH */
+ case ('.'):
+ chara(p, word[*i]);
+ default:
+ break;
+ }
+ return;
+ }
+ /* n-character escapes. */
+}
+
+
static void
pword(struct termp *p, const char *word, size_t len)
{
p->flags &= ~TERMP_NOSPACE;
if (p->flags & TERMP_BOLD)
- escape(p, ESC_BOLD);
+ style(p, STYLE_BOLD);
if (p->flags & TERMP_UNDERLINE)
- escape(p, ESC_UNDERLINE);
-
- /* TODO: escape patterns. */
+ style(p, STYLE_UNDERLINE);
- for (i = 0; i < len; i++)
+ for (i = 0; i < len; i++) {
+ if ('\\' == word[i]) {
+ pescape(p, word, &i, len);
+ continue;
+ }
chara(p, word[i]);
+ }
if (p->flags & TERMP_BOLD ||
p->flags & TERMP_UNDERLINE)
- escape(p, ESC_CLEAR);
+ style(p, STYLE_CLEAR);
}
-static void
+void
word(struct termp *p, const char *word)
{
size_t i, j, len;
}
-/* ARGSUSED */
-static int
-termp_it_post(struct termp *p, const struct mdoc_meta *meta,
- const struct mdoc_node *node)
-{
- const struct mdoc_node *n, *it;
- const struct mdoc_block *bl;
- int i;
- size_t width;
-
- switch (node->type) {
- case (MDOC_BODY):
- /* FALLTHROUGH */
- case (MDOC_HEAD):
- break;
- default:
- return(1);
- }
-
- it = node->parent;
- assert(MDOC_BLOCK == it->type);
- assert(MDOC_It == it->tok);
-
- n = it->parent;
- assert(MDOC_BODY == n->type);
- assert(MDOC_Bl == n->tok);
- n = n->parent;
- bl = &n->data.block;
-
- /* If `-tag', adjust our margins accordingly. */
-
- if (arg_hasattr(MDOC_Tag, bl->argc, bl->argv)) {
- i = arg_getattr(MDOC_Width, bl->argc, bl->argv);
- assert(i >= 0);
- assert(1 == bl->argv[i].sz);
- width = strlen(*bl->argv[i].value); /* XXX */
-
- if (MDOC_HEAD == node->type) {
- flushln(p);
- /* FIXME: nested lists. */
- p->rmargin = p->maxrmargin;
- p->flags &= ~TERMP_NOBREAK;
- } else {
- flushln(p);
- p->offset -= width + 1;
- p->flags &= ~TERMP_NOLPAD;
- }
- }
-
- return(1);
-}
-
-
-/* ARGSUSED */
-static int
-termp_it_pre(struct termp *p, const struct mdoc_meta *meta,
- const struct mdoc_node *node)
-{
- const struct mdoc_node *n, *it;
- const struct mdoc_block *bl;
- int i;
- size_t width;
-
- switch (node->type) {
- case (MDOC_BODY):
- /* FALLTHROUGH */
- case (MDOC_HEAD):
- it = node->parent;
- break;
- case (MDOC_BLOCK):
- it = node;
- break;
- default:
- return(1);
- }
-
- assert(MDOC_BLOCK == it->type);
- assert(MDOC_It == it->tok);
-
- n = it->parent;
- assert(MDOC_BODY == n->type);
- assert(MDOC_Bl == n->tok);
- n = n->parent;
- bl = &n->data.block;
-
- /* If `-compact', don't assert vertical space. */
-
- if (MDOC_BLOCK == node->type) {
- if (arg_hasattr(MDOC_Compact, bl->argc, bl->argv))
- newln(p);
- else
- vspace(p);
- return(1);
- }
-
- assert(MDOC_HEAD == node->type
- || MDOC_BODY == node->type);
-
- /* If `-tag', adjust our margins accordingly. */
-
- if (arg_hasattr(MDOC_Tag, bl->argc, bl->argv)) {
- i = arg_getattr(MDOC_Width, bl->argc, bl->argv);
- assert(i >= 0); /* XXX */
- assert(1 == bl->argv[i].sz);
- width = strlen(*bl->argv[i].value); /* XXX */
-
- /* FIXME: nested lists. */
-
- if (MDOC_HEAD == node->type) {
- p->flags |= TERMP_NOBREAK;
- p->flags |= TERMP_NOSPACE;
- p->rmargin = p->offset + width;
- } else {
- p->flags |= TERMP_NOSPACE;
- p->flags |= TERMP_NOLPAD;
- p->offset += width + 1;
- }
- }
-
- return(1);
-}
-
-
-/* ARGSUSED */
-static int
-termp_bold_post(struct termp *p, const struct mdoc_meta *meta,
- const struct mdoc_node *node)
-{
-
- p->flags &= ~TERMP_BOLD;
- return(1);
-}
-
-
-/* ARGSUSED */
-static int
-termp_under_pre(struct termp *p, const struct mdoc_meta *meta,
- const struct mdoc_node *node)
-{
-
- p->flags |= TERMP_UNDERLINE;
- return(1);
-}
-
-
-/* ARGSUSED */
-static int
-termp_bold_pre(struct termp *p, const struct mdoc_meta *meta,
- const struct mdoc_node *node)
-{
-
- p->flags |= TERMP_BOLD;
- return(1);
-}
-
-
-/* ARGSUSED */
-static int
-termp_ns_pre(struct termp *p, const struct mdoc_meta *meta,
- const struct mdoc_node *node)
-{
-
- p->flags |= TERMP_NOSPACE;
- return(1);
-}
-
-
-/* ARGSUSED */
-static int
-termp_pp_pre(struct termp *p, const struct mdoc_meta *meta,
- const struct mdoc_node *node)
-{
-
- vspace(p);
- return(1);
-}
-
-
-/* ARGSUSED */
-static int
-termp_under_post(struct termp *p, const struct mdoc_meta *meta,
- const struct mdoc_node *node)
-{
-
- p->flags &= ~TERMP_UNDERLINE;
- return(1);
-}
-
-
-/* ARGSUSED */
-static int
-termp_nd_pre(struct termp *p, const struct mdoc_meta *meta,
- const struct mdoc_node *node)
-{
-
- word(p, "-");
- return(1);
-}
-
-
-/* ARGSUSED */
-static int
-termp_bl_post(struct termp *p, const struct mdoc_meta *meta,
- const struct mdoc_node *node)
-{
-
- switch (node->type) {
- case (MDOC_BLOCK):
- newln(p);
- break;
- default:
- break;
- }
- return(1);
-}
-
-
-/* ARGSUSED */
-static int
-termp_op_post(struct termp *p, const struct mdoc_meta *meta,
- const struct mdoc_node *node)
-{
-
- switch (node->type) {
- case (MDOC_BODY):
- p->flags |= TERMP_NOSPACE;
- word(p, "\\(rB");
- break;
- default:
- break;
- }
- return(1);
-}
-
-
-/* ARGSUSED */
-static int
-termp_sh_post(struct termp *p, const struct mdoc_meta *meta,
- const struct mdoc_node *node)
-{
-
- switch (node->type) {
- case (MDOC_HEAD):
- p->flags &= ~TERMP_BOLD;
- newln(p);
- break;
- case (MDOC_BODY):
- newln(p);
- p->offset -= 4;
- break;
- default:
- break;
- }
- return(1);
-}
-
-
-/* ARGSUSED */
-static int
-termp_sh_pre(struct termp *p, const struct mdoc_meta *meta,
- const struct mdoc_node *node)
-{
-
- switch (node->type) {
- case (MDOC_HEAD):
- vspace(p);
- p->flags |= TERMP_BOLD;
- break;
- case (MDOC_BODY):
- p->offset += 4;
- break;
- default:
- break;
- }
- return(1);
-}
-
-
-/* ARGSUSED */
-static int
-termp_op_pre(struct termp *p, const struct mdoc_meta *meta,
- const struct mdoc_node *node)
-{
-
- switch (node->type) {
- case (MDOC_BODY):
- word(p, "\\(lB");
- p->flags |= TERMP_NOSPACE;
- break;
- default:
- break;
- }
- return(1);
-}
-
-
-/* ARGSUSED */
-static int
-termp_fl_pre(struct termp *p, const struct mdoc_meta *meta,
- const struct mdoc_node *node)
-{
-
- p->flags |= TERMP_BOLD;
- word(p, "-");
- p->flags |= TERMP_NOSPACE;
- return(1);
-}
-
-
static void
termprint_r(struct termp *p, const struct mdoc_meta *meta,
const struct mdoc_node *node)
{
+ int dochild;
+
+ /* Pre-processing. */
- /* Pre-processing ----------------- */
+ dochild = 1;
if (MDOC_TEXT != node->type) {
if (termacts[node->tok].pre)
if ( ! (*termacts[node->tok].pre)(p, meta, node))
- return;
+ dochild = 0;
} else /* MDOC_TEXT == node->type */
word(p, node->data.text.string);
- /* Children ---------------------- */
+ /* Children. */
- if (NULL == node->child) {
- /* No-child processing. */
- switch (node->type) {
- case (MDOC_ELEM):
- switch (node->tok) {
- case (MDOC_Nm):
- word(p, "progname"); /* TODO */
- break;
- case (MDOC_Ar):
- word(p, "...");
- break;
- default:
- break;
- }
- break;
- default:
- break;
- }
- } else
+ if (dochild && node->child)
termprint_r(p, meta, node->child);
- /* Post-processing --------------- */
+ /* Post-processing. */
- if (MDOC_TEXT != node->type) {
+ if (MDOC_TEXT != node->type)
if (termacts[node->tok].post)
- if ( ! (*termacts[node->tok].post)(p, meta, node))
- return;
- }
+ (*termacts[node->tok].post)(p, meta, node);
- /* Siblings ---------------------- */
+ /* Siblings. */
if (node->next)
termprint_r(p, meta, node->next);
err(1, "malloc");
tm = localtime(&meta->date);
+
+#ifdef __linux__
+ if (0 == strftime(buf, p->rmargin, "%B %d, %Y", tm))
+#else
if (NULL == strftime(buf, p->rmargin, "%B %d, %Y", tm))
+#endif
err(1, "strftime");
osz = strlcpy(os, meta->os, p->rmargin);
static void
termprint_header(struct termp *p, const struct mdoc_meta *meta)
{
- char *msec, *buf, *title, *pp;
+ char *buf, *title;
+ const char *pp, *msec;
size_t ssz, tsz, ttsz, i;;
if (NULL == (buf = malloc(p->rmargin)))
}
-int
+void
termprint(const struct mdoc_node *node,
const struct mdoc_meta *meta)
{
struct termp p;
- if (ERR == setupterm(NULL, STDOUT_FILENO, NULL))
- return(0);
-
- p.maxrmargin = columns < 60 ? 60 : (size_t)columns;
+ p.maxrmargin = 80; /* XXX */
p.rmargin = p.maxrmargin;
p.maxcols = 1024;
p.offset = p.col = 0;
termprint_footer(&p, meta);
free(p.buf);
-
- return(1);
}
git.ckatri.com / mandoc.git / blobdiff