=================================================================== RCS file: /cvs/mandoc/term.c,v retrieving revision 1.129 retrieving revision 1.133 diff -u -p -r1.129 -r1.133 --- mandoc/term.c 2010/03/23 12:42:22 1.129 +++ mandoc/term.c 2010/05/12 16:01:01 1.133 @@ -1,4 +1,4 @@ -/* $Id: term.c,v 1.129 2010/03/23 12:42:22 kristaps Exp $ */ +/* $Id: term.c,v 1.133 2010/05/12 16:01:01 kristaps Exp $ */ /* * Copyright (c) 2008, 2009 Kristaps Dzonsons * @@ -92,13 +92,11 @@ term_alloc(enum termenc enc) * Flush a line of text. A "line" is loosely defined as being something * that should be followed by a newline, regardless of whether it's * broken apart by newlines getting there. A line can also be a - * fragment of a columnar list. + * fragment of a columnar list (`Bl -tag' or `Bl -column'), which does + * not have a trailing newline. * - * Specifically, a line is whatever's in p->buf of length p->col, which - * is zeroed after this function returns. + * The following flags may be specified: * - * The usage of termp:flags is as follows: - * * - TERMP_NOLPAD: when beginning to write the line, don't left-pad the * offset value. This is useful when doing columnar lists where the * prior column has right-padded. @@ -184,7 +182,7 @@ term_flushln(struct termp *p) for (j = i, vsz = 0; j < (int)p->col; j++) { if (j && ' ' == p->buf[j]) break; - else if (8 == p->buf[j]) + if (8 == p->buf[j]) vsz--; else vsz++; @@ -195,13 +193,15 @@ term_flushln(struct termp *p) * beginning of a line, one between words -- but do not * actually write them yet. */ + vbl = (size_t)(0 == vis ? 0 : 1); /* * Find out whether we would exceed the right margin. - * If so, break to the next line. (TODO: hyphenate) - * Otherwise, write the chosen number of blanks now. + * If so, break to the next line. Otherwise, write the chosen + * number of blanks. */ + if (vis && vis + vbl + vsz > bp) { putchar('\n'); if (TERMP_NOBREAK & p->flags) { @@ -213,7 +213,9 @@ term_flushln(struct termp *p) putchar(' '); vis = 0; } + /* Remove the p->overstep width. */ + bp += (int)/* LINTED */ p->overstep; p->overstep = 0; @@ -223,19 +225,15 @@ term_flushln(struct termp *p) vis += vbl; } - /* - * Finally, write out the word. - */ - for ( ; i < (int)p->col; i++) { + /* Write out the [remaining] word. */ + for ( ; i < (int)p->col; i++) if (' ' == p->buf[i]) break; - - /* The unit sep. is a non-breaking space. */ - if (31 == p->buf[i]) + else if (31 == p->buf[i]) putchar(' '); else putchar(p->buf[i]); - } + vis += vsz; } @@ -440,8 +438,6 @@ term_word(struct termp *p, const char *word) case(')'): /* FALLTHROUGH */ case(']'): - /* FALLTHROUGH */ - case('}'): if ( ! (TERMP_IGNDELIM & p->flags)) p->flags |= TERMP_NOSPACE; break; @@ -449,12 +445,17 @@ term_word(struct termp *p, const char *word) break; } - if ( ! (TERMP_NOSPACE & p->flags)) + if ( ! (TERMP_NOSPACE & p->flags)) { bufferc(p, ' '); + if (TERMP_SENTENCE & p->flags) + bufferc(p, ' '); + } if ( ! (p->flags & TERMP_NONOSPACE)) p->flags &= ~TERMP_NOSPACE; + p->flags &= ~TERMP_SENTENCE; + /* FIXME: use strcspn. */ while (*word) { @@ -495,13 +496,15 @@ term_word(struct termp *p, const char *word) p->flags |= TERMP_NOSPACE; } + /* + * Note that we don't process the pipe: the parser sees it as + * punctuation, but we don't in terms of typography. + */ if (sv[0] && 0 == sv[1]) switch (sv[0]) { case('('): /* FALLTHROUGH */ case('['): - /* FALLTHROUGH */ - case('{'): p->flags |= TERMP_NOSPACE; break; default: