=================================================================== RCS file: /cvs/mandoc/tbl_data.c,v retrieving revision 1.2 retrieving revision 1.20 diff -u -p -r1.2 -r1.20 --- mandoc/tbl_data.c 2010/12/30 09:34:07 1.2 +++ mandoc/tbl_data.c 2011/01/25 12:16:22 1.20 @@ -1,6 +1,7 @@ -/* $Id: tbl_data.c,v 1.2 2010/12/30 09:34:07 kristaps Exp $ */ +/* $Id: tbl_data.c,v 1.20 2011/01/25 12:16:22 schwarze Exp $ */ /* - * Copyright (c) 2009, 2010 Kristaps Dzonsons + * Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons + * Copyright (c) 2011 Ingo Schwarze * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above @@ -14,29 +15,76 @@ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + #include #include #include #include +#include #include "mandoc.h" #include "libmandoc.h" #include "libroff.h" -static void data(struct tbl *, struct tbl_span *, +static int data(struct tbl_node *, struct tbl_span *, int, const char *, int *); +static struct tbl_span *newspan(struct tbl_node *, struct tbl_row *); -void -data(struct tbl *tbl, struct tbl_span *dp, + +static int +data(struct tbl_node *tbl, struct tbl_span *dp, int ln, const char *p, int *pos) { struct tbl_dat *dat; - int sv; + struct tbl_cell *cp; + int sv, spans; - /* FIXME: warn about losing data contents if cell is HORIZ. */ + cp = NULL; + if (dp->last && dp->last->layout) + cp = dp->last->layout->next; + else if (NULL == dp->last) + cp = dp->layout->first; + /* + * Skip over spanners and vertical lines to data formats, since + * we want to match data with data layout cells in the header. + */ + + while (cp && (TBL_CELL_VERT == cp->pos || + TBL_CELL_DVERT == cp->pos || + TBL_CELL_SPAN == cp->pos)) + cp = cp->next; + + /* + * Stop processing when we reach the end of the available layout + * cells. This means that we have extra input. + */ + + if (NULL == cp) { + TBL_MSG(tbl, MANDOCERR_TBLEXTRADAT, ln, *pos); + /* Skip to the end... */ + while (p[*pos]) + (*pos)++; + return(1); + } + dat = mandoc_calloc(1, sizeof(struct tbl_dat)); + dat->layout = cp; + dat->pos = TBL_DATA_NONE; + assert(TBL_CELL_SPAN != cp->pos); + + for (spans = 0, cp = cp->next; cp; cp = cp->next) + if (TBL_CELL_SPAN == cp->pos) + spans++; + else + break; + + dat->spans = spans; + if (dp->last) { dp->last->next = dat; dp->last = dat; @@ -44,9 +92,20 @@ data(struct tbl *tbl, struct tbl_span *dp, dp->last = dp->first = dat; sv = *pos; - while (p[*pos] && p[*pos] != tbl->tab) + while (p[*pos] && p[*pos] != tbl->opts.tab) (*pos)++; + /* + * Check for a continued-data scope opening. This consists of a + * trailing `T{' at the end of the line. Subsequent lines, + * until a standalone `T}', are included in our cell. + */ + + if (*pos - sv == 2 && 'T' == p[sv] && '{' == p[sv + 1]) { + tbl->part = TBL_PART_CDATA; + return(0); + } + dat->string = mandoc_malloc(*pos - sv + 1); memcpy(dat->string, &p[sv], *pos - sv); dat->string[*pos - sv] = '\0'; @@ -54,49 +113,157 @@ data(struct tbl *tbl, struct tbl_span *dp, if (p[*pos]) (*pos)++; - /* XXX: do the strcmps, then malloc(). */ - if ( ! strcmp(dat->string, "_")) - dat->flags |= TBL_DATA_HORIZ; + dat->pos = TBL_DATA_HORIZ; else if ( ! strcmp(dat->string, "=")) - dat->flags |= TBL_DATA_DHORIZ; + dat->pos = TBL_DATA_DHORIZ; else if ( ! strcmp(dat->string, "\\_")) - dat->flags |= TBL_DATA_NHORIZ; + dat->pos = TBL_DATA_NHORIZ; else if ( ! strcmp(dat->string, "\\=")) - dat->flags |= TBL_DATA_NDHORIZ; + dat->pos = TBL_DATA_NDHORIZ; + else + dat->pos = TBL_DATA_DATA; + + if (TBL_CELL_HORIZ == dat->layout->pos || + TBL_CELL_DHORIZ == dat->layout->pos || + TBL_CELL_DOWN == dat->layout->pos) + if (TBL_DATA_DATA == dat->pos && '\0' != *dat->string) + TBL_MSG(tbl, MANDOCERR_TBLIGNDATA, ln, sv); + + return(1); } +/* ARGSUSED */ int -tbl_data(struct tbl *tbl, int ln, const char *p) +tbl_cdata(struct tbl_node *tbl, int ln, const char *p) { - struct tbl_span *dp; + struct tbl_dat *dat; + size_t sz; int pos; pos = 0; - if ('\0' == p[pos]) { - TBL_MSG(tbl, MANDOCERR_TBL, ln, pos); - return(1); + dat = tbl->last_span->last; + + if (p[pos] == 'T' && p[pos + 1] == '}') { + pos += 2; + if (p[pos] == tbl->opts.tab) { + tbl->part = TBL_PART_DATA; + pos++; + return(data(tbl, tbl->last_span, ln, p, &pos)); + } else if ('\0' == p[pos]) { + tbl->part = TBL_PART_DATA; + return(1); + } + + /* Fallthrough: T} is part of a word. */ } + dat->pos = TBL_DATA_DATA; + + if (dat->string) { + sz = strlen(p) + strlen(dat->string) + 2; + dat->string = mandoc_realloc(dat->string, sz); + strlcat(dat->string, " ", sz); + strlcat(dat->string, p, sz); + } else + dat->string = mandoc_strdup(p); + + if (TBL_CELL_DOWN == dat->layout->pos) + TBL_MSG(tbl, MANDOCERR_TBLIGNDATA, ln, pos); + + return(0); +} + +static struct tbl_span * +newspan(struct tbl_node *tbl, struct tbl_row *rp) +{ + struct tbl_span *dp; + dp = mandoc_calloc(1, sizeof(struct tbl_span)); + dp->tbl = &tbl->opts; + dp->layout = rp; + dp->head = tbl->first_head; if (tbl->last_span) { tbl->last_span->next = dp; tbl->last_span = dp; - } else + } else { tbl->last_span = tbl->first_span = dp; + dp->flags |= TBL_SPAN_FIRST; + } + return(dp); +} + +int +tbl_data(struct tbl_node *tbl, int ln, const char *p) +{ + struct tbl_span *dp; + struct tbl_row *rp; + int pos; + + pos = 0; + + if ('\0' == p[pos]) { + TBL_MSG(tbl, MANDOCERR_TBL, ln, pos); + return(0); + } + + /* + * Choose a layout row: take the one following the last parsed + * span's. If that doesn't exist, use the last parsed span's. + * If there's no last parsed span, use the first row. Lastly, + * if the last span was a horizontal line, use the same layout + * (it doesn't "consume" the layout). + */ + + if (tbl->last_span) { + assert(tbl->last_span->layout); + if (tbl->last_span->pos == TBL_SPAN_DATA) { + for (rp = tbl->last_span->layout->next; + rp && rp->first; rp = rp->next) { + switch (rp->first->pos) { + case (TBL_CELL_HORIZ): + dp = newspan(tbl, rp); + dp->pos = TBL_SPAN_HORIZ; + continue; + case (TBL_CELL_DHORIZ): + dp = newspan(tbl, rp); + dp->pos = TBL_SPAN_DHORIZ; + continue; + default: + break; + } + break; + } + } else + rp = tbl->last_span->layout; + + if (NULL == rp) + rp = tbl->last_span->layout; + } else + rp = tbl->first_row; + + assert(rp); + + dp = newspan(tbl, rp); + if ( ! strcmp(p, "_")) { - dp->flags |= TBL_SPAN_HORIZ; + dp->pos = TBL_SPAN_HORIZ; return(1); } else if ( ! strcmp(p, "=")) { - dp->flags |= TBL_SPAN_DHORIZ; + dp->pos = TBL_SPAN_DHORIZ; return(1); } + dp->pos = TBL_SPAN_DATA; + + /* This returns 0 when TBL_PART_CDATA is entered. */ + while ('\0' != p[pos]) - data(tbl, dp, ln, p, &pos); + if ( ! data(tbl, dp, ln, p, &pos)) + return(0); return(1); }