=================================================================== RCS file: /cvs/mandoc/term.c,v retrieving revision 1.91 retrieving revision 1.94 diff -u -p -r1.91 -r1.94 --- mandoc/term.c 2009/07/21 13:34:13 1.91 +++ mandoc/term.c 2009/07/27 12:02:49 1.94 @@ -1,4 +1,4 @@ -/* $Id: term.c,v 1.91 2009/07/21 13:34:13 kristaps Exp $ */ +/* $Id: term.c,v 1.94 2009/07/27 12:02:49 kristaps Exp $ */ /* * Copyright (c) 2008, 2009 Kristaps Dzonsons * @@ -34,6 +34,8 @@ static void term_free(struct termp *); static void term_pescape(struct termp *, const char **); static void term_nescape(struct termp *, const char *, size_t); +static void term_sescape(struct termp *, + const char *, size_t); static void term_chara(struct termp *, char); static void term_encodea(struct termp *, char); static int term_isopendelim(const char *); @@ -227,8 +229,13 @@ term_flushln(struct termp *p) */ assert(p->offset < p->rmargin); - maxvis = p->rmargin - p->offset - overstep; - mmax = p->maxrmargin - p->offset - overstep; + assert((int)(p->rmargin - p->offset) - overstep > 0); + + maxvis = /* LINTED */ + p->rmargin - p->offset - overstep; + mmax = /* LINTED */ + p->maxrmargin - p->offset - overstep; + bp = TERMP_NOBREAK & p->flags ? mmax : maxvis; vis = 0; overstep = 0; @@ -254,7 +261,7 @@ term_flushln(struct termp *p) /* LINTED */ for (j = i, vsz = 0; j < (int)p->col; j++) { - if (' ' == p->buf[j]) + if (j && ' ' == p->buf[j]) break; else if (8 == p->buf[j]) vsz--; @@ -309,30 +316,36 @@ term_flushln(struct termp *p) } if (TERMP_HANG & p->flags) { - /* We need one blank after the tag. */ - overstep = vis - maxvis + 1; + overstep = /* LINTED */ + vis - maxvis + 1; /* * Behave exactly the same way as groff: - * If we have overstepped the margin, temporarily move it - * to the right and flag the rest of the line to be shorter. + * If we have overstepped the margin, temporarily move + * it to the right and flag the rest of the line to be + * shorter. * If we landed right at the margin, be happy. - * If we are one step before the margin, temporarily move it - * one step LEFT and flag the rest of the line to be longer. + * If we are one step before the margin, temporarily + * move it one step LEFT and flag the rest of the line + * to be longer. */ - if (overstep >= -1) + if (overstep >= -1) { + assert((int)maxvis + overstep >= 0); + /* LINTED */ maxvis += overstep; - else + } else overstep = 0; } else if (TERMP_DANGLE & p->flags) return; - if (maxvis > vis + ((TERMP_TWOSPACE & p->flags) ? 1 : 0)) /* pad */ + /* Right-pad. */ + if (maxvis > vis + /* LINTED */ + ((TERMP_TWOSPACE & p->flags) ? 1 : 0)) for ( ; vis < maxvis; vis++) putchar(' '); - else { /* break */ + else { /* ...or newline break. */ putchar('\n'); for (i = 0; i < (int)p->rmargin; i++) putchar(' '); @@ -388,12 +401,29 @@ term_nescape(struct termp *p, const char *word, size_t rhs = term_a2ascii(p->symtab, word, len, &sz); - if (rhs) - for (i = 0; i < (int)sz; i++) - term_encodea(p, rhs[i]); + if (NULL == rhs) + return; + for (i = 0; i < (int)sz; i++) + term_encodea(p, rhs[i]); } +static void +term_sescape(struct termp *p, const char *word, size_t len) +{ + const char *rhs; + size_t sz; + int i; + + rhs = term_a2res(p->symtab, word, len, &sz); + + if (NULL == rhs) + return; + for (i = 0; i < (int)sz; i++) + term_encodea(p, rhs[i]); +} + + /* * Handle an escape sequence: determine its length and pass it to the * escape-symbol look table. Note that we assume mdoc(3) has validated @@ -437,13 +467,13 @@ term_pescape(struct termp *p, const char **word) return; } - term_nescape(p, wp, 2); + term_sescape(p, wp, 2); *word = ++wp; return; case ('['): break; default: - term_nescape(p, wp, 1); + term_sescape(p, wp, 1); *word = wp; return; }