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Diffstat (limited to 'usr.bin/mandoc/mandoc.c')
-rw-r--r--usr.bin/mandoc/mandoc.c97
1 files changed, 55 insertions, 42 deletions
diff --git a/usr.bin/mandoc/mandoc.c b/usr.bin/mandoc/mandoc.c
index f4249a4b78f..24c4a8823b3 100644
--- a/usr.bin/mandoc/mandoc.c
+++ b/usr.bin/mandoc/mandoc.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: mandoc.c,v 1.79 2018/12/15 19:30:19 schwarze Exp $ */
+/* $OpenBSD: mandoc.c,v 1.80 2018/12/15 23:33:20 schwarze Exp $ */
/*
* Copyright (c) 2008-2011, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
* Copyright (c) 2011-2015, 2017, 2018 Ingo Schwarze <schwarze@openbsd.org>
@@ -36,6 +36,59 @@ static char *time2a(time_t);
enum mandoc_esc
+mandoc_font(const char *cp, int sz)
+{
+ switch (sz) {
+ case 0:
+ return ESCAPE_FONTPREV;
+ case 1:
+ switch (cp[0]) {
+ case 'B':
+ case '3':
+ return ESCAPE_FONTBOLD;
+ case 'I':
+ case '2':
+ return ESCAPE_FONTITALIC;
+ case 'P':
+ return ESCAPE_FONTPREV;
+ case 'R':
+ case '1':
+ return ESCAPE_FONTROMAN;
+ case '4':
+ return ESCAPE_FONTBI;
+ default:
+ return ESCAPE_ERROR;
+ }
+ case 2:
+ switch (cp[0]) {
+ case 'B':
+ switch (cp[1]) {
+ case 'I':
+ return ESCAPE_FONTBI;
+ default:
+ return ESCAPE_ERROR;
+ }
+ case 'C':
+ switch (cp[1]) {
+ case 'B':
+ return ESCAPE_FONTBOLD;
+ case 'I':
+ return ESCAPE_FONTITALIC;
+ case 'R':
+ case 'W':
+ return ESCAPE_FONTCW;
+ default:
+ return ESCAPE_ERROR;
+ }
+ default:
+ return ESCAPE_ERROR;
+ }
+ default:
+ return ESCAPE_ERROR;
+ }
+}
+
+enum mandoc_esc
mandoc_escape(const char **end, const char **start, int *sz)
{
const char *local_start;
@@ -365,47 +418,7 @@ mandoc_escape(const char **end, const char **start, int *sz)
switch (gly) {
case ESCAPE_FONT:
- if (*sz == 2) {
- if (**start == 'C') {
- if ((*start)[1] == 'W' ||
- (*start)[1] == 'R') {
- gly = ESCAPE_FONTCW;
- break;
- }
- /*
- * Treat other constant-width font modes
- * just like regular font modes.
- */
- (*start)++;
- (*sz)--;
- } else {
- if ((*start)[0] == 'B' && (*start)[1] == 'I')
- gly = ESCAPE_FONTBI;
- break;
- }
- } else if (*sz != 1) {
- if (*sz == 0)
- gly = ESCAPE_FONTPREV;
- break;
- }
-
- switch (**start) {
- case '3':
- case 'B':
- gly = ESCAPE_FONTBOLD;
- break;
- case '2':
- case 'I':
- gly = ESCAPE_FONTITALIC;
- break;
- case 'P':
- gly = ESCAPE_FONTPREV;
- break;
- case '1':
- case 'R':
- gly = ESCAPE_FONTROMAN;
- break;
- }
+ gly = mandoc_font(*start, *sz);
break;
case ESCAPE_SPECIAL:
if (**start == 'c') {