Allow non-ASCII terminal encodings to accept unicode values for the

[mandoc.git] / term.c

diff --git a/term.c b/term.c
index 04d55d6730583bb940c467172906cdb979397be4..2bcdb69dfffe9d84bf840c7788ba15c99d321d97 100644 (file)
--- a/term.c
+++ b/term.c
@@ -1,4 +1,4 @@
-/*     $Id: term.c,v 1.194 2011/05/17 22:32:45 kristaps Exp $ */
+/*     $Id: term.c,v 1.196 2011/05/20 15:44:55 kristaps Exp $ */

 /*
  * Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2010, 2011 Ingo Schwarze <schwarze@openbsd.org>
 /*
  * Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2010, 2011 Ingo Schwarze <schwarze@openbsd.org>


@@ -439,18 +439,37 @@ term_word(struct termp *p, const char *word)
                if (ESCAPE_ERROR == esc)
                        break;
 
                if (ESCAPE_ERROR == esc)
                        break;
 

-               switch (esc) {
-               case (ESCAPE_UNICODE):
-                       if (TERMENC_ASCII == p->enc) {
-                               encode1(p, '?');
+               if (TERMENC_ASCII != p->enc)
+                       switch (esc) {
+                       case (ESCAPE_UNICODE):
+                               uc = mchars_num2uc(seq + 1, sz - 1);
+                               if ('\0' == uc)
+                                       break;
+                               encode1(p, uc);
+                               continue;
+                       case (ESCAPE_PREDEF):
+                               uc = mchars_res2cp(p->symtab, seq, sz);
+                               if (uc <= 0)
+                                       break;
+                               encode1(p, uc);
+                               continue;
+                       case (ESCAPE_SPECIAL):
+                               uc = mchars_spec2cp(p->symtab, seq, sz);
+                               if (uc <= 0)
+                                       break;
+                               encode1(p, uc);
+                               continue;
+                       default:

                                break;
                        }
                                break;
                        }

-                       uc = mchars_num2uc(seq + 1, sz - 1);
-                       if ('\0' != uc)
-                               encode1(p, uc);
+
+               switch (esc) {
+               case (ESCAPE_UNICODE):
+                       encode1(p, '?');

                        break;
                case (ESCAPE_NUMBERED):
                        break;
                case (ESCAPE_NUMBERED):

-                       if ('\0' != (c = mchars_num2char(seq, sz)))
+                       c = mchars_num2char(seq, sz);
+                       if ('\0' != c)

                                encode(p, &c, 1);
                        break;
                case (ESCAPE_PREDEF):
                                encode(p, &c, 1);
                        break;
                case (ESCAPE_PREDEF):


@@ -471,6 +490,8 @@ term_word(struct termp *p, const char *word)
                case (ESCAPE_FONTITALIC):
                        term_fontrepl(p, TERMFONT_UNDER);
                        break;
                case (ESCAPE_FONTITALIC):
                        term_fontrepl(p, TERMFONT_UNDER);
                        break;

+               case (ESCAPE_FONT):
+                       /* FALLTHROUGH */

                case (ESCAPE_FONTROMAN):
                        term_fontrepl(p, TERMFONT_NONE);
                        break;
                case (ESCAPE_FONTROMAN):
                        term_fontrepl(p, TERMFONT_NONE);
                        break;


@@ -595,6 +616,7 @@ term_strlen(const struct termp *p, const char *cp)
        size_t           sz, rsz, i;
        int              ssz, c;
        const char      *seq, *rhs;
        size_t           sz, rsz, i;
        int              ssz, c;
        const char      *seq, *rhs;

+       enum mandoc_esc  esc;

        static const char rej[] = { '\\', ASCII_HYPH, ASCII_NBRSP, '\0' };
 
        /*
        static const char rej[] = { '\\', ASCII_HYPH, ASCII_NBRSP, '\0' };
 
        /*


@@ -613,18 +635,42 @@ term_strlen(const struct termp *p, const char *cp)
                switch (*cp) {
                case ('\\'):
                        cp++;
                switch (*cp) {
                case ('\\'):
                        cp++;

-                       rhs = NULL;
-                       switch (mandoc_escape(&cp, &seq, &ssz)) {
-                       case (ESCAPE_ERROR):
+                       esc = mandoc_escape(&cp, &seq, &ssz);
+                       if (ESCAPE_ERROR == esc)

                                return(sz);
                                return(sz);

-                       case (ESCAPE_UNICODE):
-                               if (TERMENC_ASCII != p->enc) {
-                                       sz += (*p->width)(p, '?');
+
+                       if (TERMENC_ASCII != p->enc)
+                               switch (esc) {
+                               case (ESCAPE_UNICODE):
+                                       c = mchars_num2uc
+                                               (seq + 1, ssz - 1);
+                                       if ('\0' == c)
+                                               break;
+                                       sz += (*p->width)(p, c);
+                                       continue;
+                               case (ESCAPE_PREDEF):
+                                       c = mchars_res2cp
+                                               (p->symtab, seq, ssz);
+                                       if (c <= 0)
+                                               break;
+                                       sz += (*p->width)(p, c);
+                                       continue;
+                               case (ESCAPE_SPECIAL):
+                                       c = mchars_spec2cp
+                                               (p->symtab, seq, ssz);
+                                       if (c <= 0)
+                                               break;
+                                       sz += (*p->width)(p, c);
+                                       continue;
+                               default:

                                        break;
                                }
                                        break;
                                }

-                               c = mchars_num2uc(seq + 1, ssz - 1);
-                               if ('\0' != c)
-                                       sz += (*p->width)(p, c);
+
+                       rhs = NULL;
+
+                       switch (esc) {
+                       case (ESCAPE_UNICODE):
+                               sz += (*p->width)(p, '?');

                                break;
                        case (ESCAPE_NUMBERED):
                                c = mchars_num2char(seq, ssz);
                                break;
                        case (ESCAPE_NUMBERED):
                                c = mchars_num2char(seq, ssz);