version 1.22, 2017/05/30 16:31:29 |
version 1.34, 2020/02/27 01:43:52 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2017 Ingo Schwarze <schwarze@openbsd.org> |
* Copyright (c) 2017, 2018, 2020 Ingo Schwarze <schwarze@openbsd.org> |
* |
* |
* Permission to use, copy, modify, and distribute this software for any |
* Permission to use, copy, modify, and distribute this software for any |
* purpose with or without fee is hereby granted, provided that the above |
* purpose with or without fee is hereby granted, provided that the above |
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#include <assert.h> |
#include <assert.h> |
#include <ctype.h> |
#include <ctype.h> |
#include <stdio.h> |
#include <stdio.h> |
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#include <stdlib.h> |
#include <string.h> |
#include <string.h> |
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#include "mandoc_aux.h" |
#include "mandoc_aux.h" |
Line 48 static void md_uri(const char *); |
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Line 49 static void md_uri(const char *); |
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static int md_cond_head(struct roff_node *); |
static int md_cond_head(struct roff_node *); |
static int md_cond_body(struct roff_node *); |
static int md_cond_body(struct roff_node *); |
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static int md_pre_abort(struct roff_node *); |
static int md_pre_raw(struct roff_node *); |
static int md_pre_raw(struct roff_node *); |
static int md_pre_word(struct roff_node *); |
static int md_pre_word(struct roff_node *); |
static int md_pre_skip(struct roff_node *); |
static int md_pre_skip(struct roff_node *); |
Line 103 static void md_post_Pf(struct roff_node *); |
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Line 105 static void md_post_Pf(struct roff_node *); |
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static void md_post_Vt(struct roff_node *); |
static void md_post_Vt(struct roff_node *); |
static void md_post__T(struct roff_node *); |
static void md_post__T(struct roff_node *); |
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static const struct md_act __md_acts[MDOC_MAX - MDOC_Dd] = { |
static const struct md_act md_acts[MDOC_MAX - MDOC_Dd] = { |
{ NULL, NULL, NULL, NULL, NULL }, /* Dd */ |
{ NULL, NULL, NULL, NULL, NULL }, /* Dd */ |
{ NULL, NULL, NULL, NULL, NULL }, /* Dt */ |
{ NULL, NULL, NULL, NULL, NULL }, /* Dt */ |
{ NULL, NULL, NULL, NULL, NULL }, /* Os */ |
{ NULL, NULL, NULL, NULL, NULL }, /* Os */ |
Line 138 static const struct md_act __md_acts[MDOC_MAX - MDOC_D |
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Line 140 static const struct md_act __md_acts[MDOC_MAX - MDOC_D |
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{ md_cond_head, md_pre_Nd, NULL, NULL, NULL }, /* Nd */ |
{ md_cond_head, md_pre_Nd, NULL, NULL, NULL }, /* Nd */ |
{ NULL, md_pre_Nm, md_post_Nm, "**", "**" }, /* Nm */ |
{ NULL, md_pre_Nm, md_post_Nm, "**", "**" }, /* Nm */ |
{ md_cond_body, md_pre_word, md_post_word, "[", "]" }, /* Op */ |
{ md_cond_body, md_pre_word, md_post_word, "[", "]" }, /* Op */ |
{ NULL, md_pre_Fd, md_post_raw, "*", "*" }, /* Ot */ |
{ NULL, md_pre_abort, NULL, NULL, NULL }, /* Ot */ |
{ NULL, md_pre_raw, md_post_raw, "*", "*" }, /* Pa */ |
{ NULL, md_pre_raw, md_post_raw, "*", "*" }, /* Pa */ |
{ NULL, NULL, NULL, NULL, NULL }, /* Rv */ |
{ NULL, NULL, NULL, NULL, NULL }, /* Rv */ |
{ NULL, NULL, NULL, NULL, NULL }, /* St */ |
{ NULL, NULL, NULL, NULL, NULL }, /* St */ |
Line 211 static const struct md_act __md_acts[MDOC_MAX - MDOC_D |
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Line 213 static const struct md_act __md_acts[MDOC_MAX - MDOC_D |
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{ NULL, md_pre_raw, md_post_raw, "*", "*" }, /* Fr */ |
{ NULL, md_pre_raw, md_post_raw, "*", "*" }, /* Fr */ |
{ NULL, NULL, NULL, NULL, NULL }, /* Ud */ |
{ NULL, NULL, NULL, NULL, NULL }, /* Ud */ |
{ NULL, NULL, md_post_Lb, NULL, NULL }, /* Lb */ |
{ NULL, NULL, md_post_Lb, NULL, NULL }, /* Lb */ |
{ NULL, md_pre_Pp, NULL, NULL, NULL }, /* Lp */ |
{ NULL, md_pre_abort, NULL, NULL, NULL }, /* Lp */ |
{ NULL, md_pre_Lk, NULL, NULL, NULL }, /* Lk */ |
{ NULL, md_pre_Lk, NULL, NULL, NULL }, /* Lk */ |
{ NULL, md_pre_Mt, NULL, NULL, NULL }, /* Mt */ |
{ NULL, md_pre_Mt, NULL, NULL, NULL }, /* Mt */ |
{ md_cond_body, md_pre_word, md_post_word, "{", "}" }, /* Brq */ |
{ md_cond_body, md_pre_word, md_post_word, "{", "}" }, /* Brq */ |
Line 224 static const struct md_act __md_acts[MDOC_MAX - MDOC_D |
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Line 226 static const struct md_act __md_acts[MDOC_MAX - MDOC_D |
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{ NULL, NULL, md_post_pc, NULL, NULL }, /* %Q */ |
{ NULL, NULL, md_post_pc, NULL, NULL }, /* %Q */ |
{ NULL, md_pre_Lk, md_post_pc, NULL, NULL }, /* %U */ |
{ NULL, md_pre_Lk, md_post_pc, NULL, NULL }, /* %U */ |
{ NULL, NULL, NULL, NULL, NULL }, /* Ta */ |
{ NULL, NULL, NULL, NULL, NULL }, /* Ta */ |
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{ NULL, md_pre_skip, NULL, NULL, NULL }, /* Tg */ |
}; |
}; |
static const struct md_act *const md_acts = __md_acts - MDOC_Dd; |
static const struct md_act *md_act(enum roff_tok); |
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static int outflags; |
static int outflags; |
#define MD_spc (1 << 0) /* Blank character before next word. */ |
#define MD_spc (1 << 0) /* Blank character before next word. */ |
Line 250 static int escflags; /* Escape in generated markdown |
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Line 253 static int escflags; /* Escape in generated markdown |
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static int code_blocks, quote_blocks, list_blocks; |
static int code_blocks, quote_blocks, list_blocks; |
static int outcount; |
static int outcount; |
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static const struct md_act * |
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md_act(enum roff_tok tok) |
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{ |
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assert(tok >= MDOC_Dd && tok <= MDOC_MAX); |
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return md_acts + (tok - MDOC_Dd); |
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} |
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void |
void |
markdown_mdoc(void *arg, const struct roff_man *mdoc) |
markdown_mdoc(void *arg, const struct roff_meta *mdoc) |
{ |
{ |
outflags = MD_Sm; |
outflags = MD_Sm; |
md_word(mdoc->meta.title); |
md_word(mdoc->title); |
if (mdoc->meta.msec != NULL) { |
if (mdoc->msec != NULL) { |
outflags &= ~MD_spc; |
outflags &= ~MD_spc; |
md_word("("); |
md_word("("); |
md_word(mdoc->meta.msec); |
md_word(mdoc->msec); |
md_word(")"); |
md_word(")"); |
} |
} |
md_word("-"); |
md_word("-"); |
md_word(mdoc->meta.vol); |
md_word(mdoc->vol); |
if (mdoc->meta.arch != NULL) { |
if (mdoc->arch != NULL) { |
md_word("("); |
md_word("("); |
md_word(mdoc->meta.arch); |
md_word(mdoc->arch); |
md_word(")"); |
md_word(")"); |
} |
} |
outflags |= MD_sp; |
outflags |= MD_sp; |
Line 273 markdown_mdoc(void *arg, const struct roff_man *mdoc) |
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Line 284 markdown_mdoc(void *arg, const struct roff_man *mdoc) |
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md_nodelist(mdoc->first->child); |
md_nodelist(mdoc->first->child); |
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outflags |= MD_sp; |
outflags |= MD_sp; |
md_word(mdoc->meta.os); |
md_word(mdoc->os); |
md_word("-"); |
md_word("-"); |
md_word(mdoc->meta.date); |
md_word(mdoc->date); |
putchar('\n'); |
putchar('\n'); |
} |
} |
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Line 294 md_node(struct roff_node *n) |
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Line 305 md_node(struct roff_node *n) |
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const struct md_act *act; |
const struct md_act *act; |
int cond, process_children; |
int cond, process_children; |
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if (n->flags & NODE_NOPRT) |
if (n->type == ROFFT_COMMENT || n->flags & NODE_NOPRT) |
return; |
return; |
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if (outflags & MD_nonl) |
if (outflags & MD_nonl) |
outflags &= ~(MD_nl | MD_sp); |
outflags &= ~(MD_nl | MD_sp); |
else if (outflags & MD_spc && n->flags & NODE_LINE) |
else if (outflags & MD_spc && |
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n->flags & NODE_LINE && |
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!roff_node_transparent(n)) |
outflags |= MD_nl; |
outflags |= MD_nl; |
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act = NULL; |
act = NULL; |
Line 330 md_node(struct roff_node *n) |
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Line 343 md_node(struct roff_node *n) |
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break; |
break; |
} |
} |
} else { |
} else { |
assert(n->tok >= MDOC_Dd && n->tok < MDOC_MAX); |
act = md_act(n->tok); |
act = md_acts + n->tok; |
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cond = act->cond == NULL || (*act->cond)(n); |
cond = act->cond == NULL || (*act->cond)(n); |
if (cond && act->pre != NULL && |
if (cond && act->pre != NULL && |
(n->end == ENDBODY_NOT || n->child != NULL)) |
(n->end == ENDBODY_NOT || n->child != NULL)) |
Line 493 md_word(const char *s) |
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Line 505 md_word(const char *s) |
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{ |
{ |
const char *seq, *prevfont, *currfont, *nextfont; |
const char *seq, *prevfont, *currfont, *nextfont; |
char c; |
char c; |
int bs, sz, uc; |
int bs, sz, uc, breakline; |
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/* No spacing before closing delimiters. */ |
/* No spacing before closing delimiters. */ |
if (s[0] != '\0' && s[1] == '\0' && |
if (s[0] != '\0' && s[1] == '\0' && |
Line 510 md_word(const char *s) |
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Line 522 md_word(const char *s) |
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if ((s[0] == '(' || s[0] == '[') && s[1] == '\0') |
if ((s[0] == '(' || s[0] == '[') && s[1] == '\0') |
outflags &= ~MD_spc; |
outflags &= ~MD_spc; |
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breakline = 0; |
prevfont = currfont = ""; |
prevfont = currfont = ""; |
while ((c = *s++) != '\0') { |
while ((c = *s++) != '\0') { |
bs = 0; |
bs = 0; |
Line 579 md_word(const char *s) |
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Line 592 md_word(const char *s) |
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case ESCAPE_SPECIAL: |
case ESCAPE_SPECIAL: |
uc = mchars_spec2cp(seq, sz); |
uc = mchars_spec2cp(seq, sz); |
break; |
break; |
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case ESCAPE_UNDEF: |
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uc = *seq; |
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break; |
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case ESCAPE_DEVICE: |
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md_rawword("markdown"); |
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continue; |
case ESCAPE_FONTBOLD: |
case ESCAPE_FONTBOLD: |
nextfont = "**"; |
nextfont = "**"; |
break; |
break; |
Line 589 md_word(const char *s) |
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Line 608 md_word(const char *s) |
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nextfont = "***"; |
nextfont = "***"; |
break; |
break; |
case ESCAPE_FONT: |
case ESCAPE_FONT: |
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case ESCAPE_FONTCW: |
case ESCAPE_FONTROMAN: |
case ESCAPE_FONTROMAN: |
nextfont = ""; |
nextfont = ""; |
break; |
break; |
case ESCAPE_FONTPREV: |
case ESCAPE_FONTPREV: |
nextfont = prevfont; |
nextfont = prevfont; |
break; |
break; |
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case ESCAPE_BREAK: |
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breakline = 1; |
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break; |
case ESCAPE_NOSPACE: |
case ESCAPE_NOSPACE: |
case ESCAPE_SKIPCHAR: |
case ESCAPE_SKIPCHAR: |
case ESCAPE_OVERSTRIKE: |
case ESCAPE_OVERSTRIKE: |
Line 642 md_word(const char *s) |
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Line 665 md_word(const char *s) |
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if (bs) |
if (bs) |
putchar('\\'); |
putchar('\\'); |
md_char(c); |
md_char(c); |
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if (breakline && |
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(*s == '\0' || *s == ' ' || *s == ASCII_NBRSP)) { |
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printf(" \n"); |
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breakline = 0; |
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while (*s == ' ' || *s == ASCII_NBRSP) |
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s++; |
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} |
} |
} |
if (*currfont != '\0') { |
if (*currfont != '\0') { |
outflags &= ~MD_spc; |
outflags &= ~MD_spc; |
Line 701 md_cond_body(struct roff_node *n) |
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Line 731 md_cond_body(struct roff_node *n) |
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} |
} |
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static int |
static int |
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md_pre_abort(struct roff_node *n) |
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{ |
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abort(); |
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} |
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static int |
md_pre_raw(struct roff_node *n) |
md_pre_raw(struct roff_node *n) |
{ |
{ |
const char *prefix; |
const char *prefix; |
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if ((prefix = md_acts[n->tok].prefix) != NULL) { |
if ((prefix = md_act(n->tok)->prefix) != NULL) { |
md_rawword(prefix); |
md_rawword(prefix); |
outflags &= ~MD_spc; |
outflags &= ~MD_spc; |
if (*prefix == '`') |
if (*prefix == '`') |
Line 719 md_post_raw(struct roff_node *n) |
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Line 755 md_post_raw(struct roff_node *n) |
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{ |
{ |
const char *suffix; |
const char *suffix; |
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if ((suffix = md_acts[n->tok].suffix) != NULL) { |
if ((suffix = md_act(n->tok)->suffix) != NULL) { |
outflags &= ~(MD_spc | MD_nl); |
outflags &= ~(MD_spc | MD_nl); |
md_rawword(suffix); |
md_rawword(suffix); |
if (*suffix == '`') |
if (*suffix == '`') |
Line 732 md_pre_word(struct roff_node *n) |
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Line 768 md_pre_word(struct roff_node *n) |
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{ |
{ |
const char *prefix; |
const char *prefix; |
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if ((prefix = md_acts[n->tok].prefix) != NULL) { |
if ((prefix = md_act(n->tok)->prefix) != NULL) { |
md_word(prefix); |
md_word(prefix); |
outflags &= ~MD_spc; |
outflags &= ~MD_spc; |
} |
} |
Line 744 md_post_word(struct roff_node *n) |
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Line 780 md_post_word(struct roff_node *n) |
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{ |
{ |
const char *suffix; |
const char *suffix; |
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if ((suffix = md_acts[n->tok].suffix) != NULL) { |
if ((suffix = md_act(n->tok)->suffix) != NULL) { |
outflags &= ~(MD_spc | MD_nl); |
outflags &= ~(MD_spc | MD_nl); |
md_word(suffix); |
md_word(suffix); |
} |
} |
Line 753 md_post_word(struct roff_node *n) |
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Line 789 md_post_word(struct roff_node *n) |
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static void |
static void |
md_post_pc(struct roff_node *n) |
md_post_pc(struct roff_node *n) |
{ |
{ |
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struct roff_node *nn; |
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md_post_raw(n); |
md_post_raw(n); |
if (n->parent->tok != MDOC_Rs) |
if (n->parent->tok != MDOC_Rs) |
return; |
return; |
if (n->next != NULL) { |
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if ((nn = roff_node_next(n)) != NULL) { |
md_word(","); |
md_word(","); |
if (n->prev != NULL && |
if (nn->tok == n->tok && |
n->prev->tok == n->tok && |
(nn = roff_node_prev(n)) != NULL && |
n->next->tok == n->tok) |
nn->tok == n->tok) |
md_word("and"); |
md_word("and"); |
} else { |
} else { |
md_word("."); |
md_word("."); |
Line 777 md_pre_skip(struct roff_node *n) |
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Line 816 md_pre_skip(struct roff_node *n) |
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static void |
static void |
md_pre_syn(struct roff_node *n) |
md_pre_syn(struct roff_node *n) |
{ |
{ |
if (n->prev == NULL || ! (n->flags & NODE_SYNPRETTY)) |
struct roff_node *np; |
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if ((n->flags & NODE_SYNPRETTY) == 0 || |
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(np = roff_node_prev(n)) == NULL) |
return; |
return; |
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if (n->prev->tok == n->tok && |
if (np->tok == n->tok && |
n->tok != MDOC_Ft && |
n->tok != MDOC_Ft && |
n->tok != MDOC_Fo && |
n->tok != MDOC_Fo && |
n->tok != MDOC_Fn) { |
n->tok != MDOC_Fn) { |
Line 788 md_pre_syn(struct roff_node *n) |
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Line 830 md_pre_syn(struct roff_node *n) |
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return; |
return; |
} |
} |
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switch (n->prev->tok) { |
switch (np->tok) { |
case MDOC_Fd: |
case MDOC_Fd: |
case MDOC_Fn: |
case MDOC_Fn: |
case MDOC_Fo: |
case MDOC_Fo: |
Line 1019 md_pre_Fa(struct roff_node *n) |
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Line 1061 md_pre_Fa(struct roff_node *n) |
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static void |
static void |
md_post_Fa(struct roff_node *n) |
md_post_Fa(struct roff_node *n) |
{ |
{ |
if (n->next != NULL && n->next->tok == MDOC_Fa) |
struct roff_node *nn; |
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if ((nn = roff_node_next(n)) != NULL && nn->tok == MDOC_Fa) |
md_word(","); |
md_word(","); |
} |
} |
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Line 1041 md_post_Fd(struct roff_node *n) |
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Line 1085 md_post_Fd(struct roff_node *n) |
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static void |
static void |
md_post_Fl(struct roff_node *n) |
md_post_Fl(struct roff_node *n) |
{ |
{ |
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struct roff_node *nn; |
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md_post_raw(n); |
md_post_raw(n); |
if (n->child == NULL && n->next != NULL && |
if (n->child == NULL && (nn = roff_node_next(n)) != NULL && |
n->next->type != ROFFT_TEXT && !(n->next->flags & NODE_LINE)) |
nn->type != ROFFT_TEXT && (nn->flags & NODE_LINE) == 0) |
outflags &= ~MD_spc; |
outflags &= ~MD_spc; |
} |
} |
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Line 1257 md_post_It(struct roff_node *n) |
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Line 1303 md_post_It(struct roff_node *n) |
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while ((n = n->prev) != NULL && n->type != ROFFT_HEAD) |
while ((n = n->prev) != NULL && n->type != ROFFT_HEAD) |
i++; |
i++; |
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/* |
/* |
* If a width was specified for this column, |
* If a width was specified for this column, |
* subtract what printed, and |
* subtract what printed, and |
* add the same spacing as in mdoc_term.c. |
* add the same spacing as in mdoc_term.c. |