// Functions to convert cmark_nodes to groff man strings.
static
void S_outc(cmark_renderer *renderer,
cmark_escaping escape,
int32_t c,
unsigned char nextc)
{
(void)(nextc);
if (escape == LITERAL) {
cmark_render_code_point(renderer, c);
return;
}
switch(c) {
case 46:
if (renderer->begin_line) {
cmark_render_ascii(renderer, "\\&.");
} else {
cmark_render_code_point(renderer, c);
}
break;
case 39:
if (renderer->begin_line) {
cmark_render_ascii(renderer, "\\&'");
} else {
cmark_render_code_point(renderer, c);
}
break;
case 45:
cmark_render_ascii(renderer, "\\-");
break;
case 92:
cmark_render_ascii(renderer, "\\e");
break;
case 8216: // left single quote
cmark_render_ascii(renderer, "\\[oq]");
break;
case 8217: // right single quote
cmark_render_ascii(renderer, "\\[cq]");
break;
case 8220: // left double quote
cmark_render_ascii(renderer, "\\[lq]");
break;
case 8221: // right double quote
cmark_render_ascii(renderer, "\\[rq]");
break;
case 8212: // em dash
cmark_render_ascii(renderer, "\\[em]");
break;
case 8211: // en dash
cmark_render_ascii(renderer, "\\[en]");
break;
default:
cmark_render_code_point(renderer, c);
}
}
static inline void outc(cmark_renderer *renderer, cmark_escaping escape,
int32_t c, unsigned char nextc) {
bool needs_escaping = false;
char encoded[20];
needs_escaping =
escape != LITERAL &&
((escape == NORMAL &&
(c == '*' || c == '_' || c == '[' || c == ']' || c == '#' || c == '<' ||
c == '>' || c == '\\' || c == '`' || c == '!' ||
(c == '&' && isalpha(nextc)) || (c == '!' && nextc == '[') ||
(renderer->begin_line && (c == '-' || c == '+' || c == '=')) ||
((c == '.' || c == ')') &&
isdigit(renderer->buffer->ptr[renderer->buffer->size - 1])))) ||
(escape == URL && (c == '`' || c == '<' || c == '>' || isspace(c) ||
c == '\\' || c == ')' || c == '(')) ||
(escape == TITLE &&
(c == '`' || c == '<' || c == '>' || c == '"' || c == '\\')));
if (needs_escaping) {
if (isspace(c)) {
// use percent encoding for spaces
sprintf(encoded, "%%%2x", c);
cmark_strbuf_puts(renderer->buffer, encoded);
renderer->column += 3;
} else {
cmark_render_ascii(renderer, "\\");
cmark_render_code_point(renderer, c);
}
} else {
cmark_render_code_point(renderer, c);
}
}
static CMARK_INLINE void outc(cmark_renderer *renderer, cmark_escaping escape,
int32_t c, unsigned char nextc) {
bool needs_escaping = false;
bool follows_digit =
renderer->buffer->size > 0 &&
cmark_isdigit(renderer->buffer->ptr[renderer->buffer->size - 1]);
char encoded[ENCODED_SIZE];
needs_escaping =
c < 0x80 && escape != LITERAL &&
((escape == NORMAL &&
(c < 0x20 ||
c == '*' || c == '_' || c == '[' || c == ']' || c == '#' || c == '<' ||
c == '>' || c == '\\' || c == '`' || c == '!' ||
(c == '&' && cmark_isalpha(nextc)) || (c == '!' && nextc == '[') ||
(renderer->begin_content && (c == '-' || c == '+' || c == '=') &&
// begin_content doesn't get set to false til we've passed digits
// at the beginning of line, so...
!follows_digit) ||
(renderer->begin_content && (c == '.' || c == ')') && follows_digit &&
(nextc == 0 || cmark_isspace(nextc))))) ||
(escape == URL &&
(c == '`' || c == '<' || c == '>' || cmark_isspace(c) || c == '\\' ||
c == ')' || c == '(')) ||
(escape == TITLE &&
(c == '`' || c == '<' || c == '>' || c == '"' || c == '\\')));
if (needs_escaping) {
if (escape == URL && cmark_isspace(c)) {
// use percent encoding for spaces
snprintf(encoded, ENCODED_SIZE, "%%%2X", c);
cmark_strbuf_puts(renderer->buffer, encoded);
renderer->column += 3;
} else if (cmark_ispunct(c)) {
cmark_render_ascii(renderer, "\\");
cmark_render_code_point(renderer, c);
} else { // render as entity
snprintf(encoded, ENCODED_SIZE, "&#%d;", c);
cmark_strbuf_puts(renderer->buffer, encoded);
renderer->column += strlen(encoded);
}
} else {
cmark_render_code_point(renderer, c);
}
}
static CMARK_INLINE void outc(cmark_renderer *renderer, cmark_escaping escape,
int32_t c, unsigned char nextc) {
if (escape == LITERAL) {
cmark_render_code_point(renderer, c);
return;
}
switch (c) {
case 123: // '{'
case 125: // '}'
case 35: // '#'
case 37: // '%'
case 38: // '&'
cmark_render_ascii(renderer, "\\");
cmark_render_code_point(renderer, c);
break;
case 36: // '$'
case 95: // '_'
if (escape == NORMAL) {
cmark_render_ascii(renderer, "\\");
}
cmark_render_code_point(renderer, c);
break;
case 45: // '-'
if (nextc == 45) { // prevent ligature
cmark_render_ascii(renderer, "-{}");
} else {
cmark_render_ascii(renderer, "-");
}
break;
case 126: // '~'
if (escape == NORMAL) {
cmark_render_ascii(renderer, "\\textasciitilde{}");
} else {
cmark_render_code_point(renderer, c);
}
break;
case 94: // '^'
cmark_render_ascii(renderer, "\\^{}");
break;
case 92: // '\\'
if (escape == URL) {
// / acts as path sep even on windows:
cmark_render_ascii(renderer, "/");
} else {
cmark_render_ascii(renderer, "\\textbackslash{}");
}
break;
case 124: // '|'
cmark_render_ascii(renderer, "\\textbar{}");
break;
case 60: // '<'
cmark_render_ascii(renderer, "\\textless{}");
break;
case 62: // '>'
cmark_render_ascii(renderer, "\\textgreater{}");
break;
case 91: // '['
case 93: // ']'
cmark_render_ascii(renderer, "{");
cmark_render_code_point(renderer, c);
cmark_render_ascii(renderer, "}");
break;
case 34: // '"'
cmark_render_ascii(renderer, "\\textquotedbl{}");
// requires \usepackage[T1]{fontenc}
break;
case 39: // '\''
cmark_render_ascii(renderer, "\\textquotesingle{}");
// requires \usepackage{textcomp}
break;
case 160: // nbsp
cmark_render_ascii(renderer, "~");
break;
case 8230: // hellip
cmark_render_ascii(renderer, "\\ldots{}");
break;
case 8216: // lsquo
if (escape == NORMAL) {
cmark_render_ascii(renderer, "`");
} else {
cmark_render_code_point(renderer, c);
}
break;
case 8217: // rsquo
if (escape == NORMAL) {
cmark_render_ascii(renderer, "\'");
} else {
cmark_render_code_point(renderer, c);
}
break;
case 8220: // ldquo
if (escape == NORMAL) {
cmark_render_ascii(renderer, "``");
} else {
cmark_render_code_point(renderer, c);
}
break;
case 8221: // rdquo
if (escape == NORMAL) {
cmark_render_ascii(renderer, "''");
} else {
cmark_render_code_point(renderer, c);
}
break;
case 8212: // emdash
if (escape == NORMAL) {
cmark_render_ascii(renderer, "---");
} else {
cmark_render_code_point(renderer, c);
}
break;
case 8211: // endash
if (escape == NORMAL) {
cmark_render_ascii(renderer, "--");
} else {
cmark_render_code_point(renderer, c);
}
break;
default:
cmark_render_code_point(renderer, c);
}
}
