=================================================================== RCS file: /cvs/mandoc/tbl_data.c,v retrieving revision 1.11 retrieving revision 1.34 diff -u -p -r1.11 -r1.34 --- mandoc/tbl_data.c 2011/01/04 15:02:00 1.11 +++ mandoc/tbl_data.c 2015/01/27 05:21:45 1.34 @@ -1,6 +1,7 @@ -/* $Id: tbl_data.c,v 1.11 2011/01/04 15:02:00 kristaps Exp $ */ +/* $Id: tbl_data.c,v 1.34 2015/01/27 05:21:45 schwarze Exp $ */ /* - * Copyright (c) 2009, 2010 Kristaps Dzonsons + * Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons + * Copyright (c) 2011, 2015 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 @@ -14,10 +15,10 @@ * 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 @@ -25,19 +26,23 @@ #include #include "mandoc.h" +#include "mandoc_aux.h" #include "libmandoc.h" #include "libroff.h" -static int data(struct tbl_node *, struct tbl_span *, - int, const char *, int *); +static void getdata(struct tbl_node *, struct tbl_span *, + int, const char *, int *); +static struct tbl_span *newspan(struct tbl_node *, int, + struct tbl_row *); -static int -data(struct tbl_node *tbl, struct tbl_span *dp, + +static void +getdata(struct tbl_node *tbl, struct tbl_span *dp, int ln, const char *p, int *pos) { struct tbl_dat *dat; struct tbl_cell *cp; - int sv; + int sv, spans; cp = NULL; if (dp->last && dp->last->layout) @@ -45,19 +50,42 @@ data(struct tbl_node *tbl, struct tbl_span *dp, else if (NULL == dp->last) cp = dp->layout->first; - /* Skip over spanners to data formats. */ + /* + * Skip over spanners, 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)) + while (cp && 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) { + mandoc_msg(MANDOCERR_TBLEXTRADAT, tbl->parse, + ln, *pos, NULL); + /* Skip to the end... */ + while (p[*pos]) + (*pos)++; + return; + } + dat = mandoc_calloc(1, sizeof(struct tbl_dat)); dat->layout = cp; dat->pos = TBL_DATA_NONE; - if (NULL == dat->layout) - TBL_MSG(tbl, MANDOCERR_TBLEXTRADAT, ln, *pos); + 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; @@ -76,11 +104,13 @@ data(struct tbl_node *tbl, struct tbl_span *dp, if (*pos - sv == 2 && 'T' == p[sv] && '{' == p[sv + 1]) { tbl->part = TBL_PART_CDATA; - return(0); + return; } - dat->string = mandoc_malloc(*pos - sv + 1); - memcpy(dat->string, &p[sv], *pos - sv); + assert(*pos - sv >= 0); + + dat->string = mandoc_malloc((size_t)(*pos - sv + 1)); + memcpy(dat->string, &p[sv], (size_t)(*pos - sv)); dat->string[*pos - sv] = '\0'; if (p[*pos]) @@ -97,99 +127,139 @@ data(struct tbl_node *tbl, struct tbl_span *dp, else dat->pos = TBL_DATA_DATA; - if (NULL == dat->layout) - return(1); - if (TBL_CELL_HORIZ == dat->layout->pos || - TBL_CELL_DHORIZ == 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); + mandoc_msg(MANDOCERR_TBLIGNDATA, + tbl->parse, ln, sv, NULL); - return(1); + return; } int tbl_cdata(struct tbl_node *tbl, int ln, const char *p) { struct tbl_dat *dat; - size_t sz; + size_t sz; + int pos; - if (0 == strcmp(p, "T}")) { - tbl->part = TBL_PART_DATA; - return(1); - } + pos = 0; 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++; + getdata(tbl, tbl->last_span, ln, p, &pos); + return(1); + } 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); + (void)strlcat(dat->string, " ", sz); + (void)strlcat(dat->string, p, sz); } else dat->string = mandoc_strdup(p); + if (TBL_CELL_DOWN == dat->layout->pos) + mandoc_msg(MANDOCERR_TBLIGNDATA, tbl->parse, + ln, pos, NULL); + return(0); } -int +static struct tbl_span * +newspan(struct tbl_node *tbl, int line, struct tbl_row *rp) +{ + struct tbl_span *dp; + + dp = mandoc_calloc(1, sizeof(struct tbl_span)); + dp->line = line; + dp->opts = &tbl->opts; + dp->layout = rp; + dp->head = tbl->first_head; + dp->prev = tbl->last_span; + + if (dp->prev == NULL) { + tbl->first_span = dp; + tbl->current_span = NULL; + dp->flags |= TBL_SPAN_FIRST; + } else + dp->prev->next = dp; + tbl->last_span = dp; + + return(dp); +} + +void 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. This can - * be NULL! + * 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); - rp = tbl->last_span->layout->next; + 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, ln, rp); + dp->pos = TBL_SPAN_HORIZ; + continue; + case TBL_CELL_DHORIZ: + dp = newspan(tbl, ln, 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; - dp = mandoc_calloc(1, sizeof(struct tbl_span)); - dp->tbl = &tbl->opts; - dp->layout = rp; - dp->head = tbl->first_head; + assert(rp); - if (tbl->last_span) { - tbl->last_span->next = dp; - tbl->last_span = dp; - } else { - tbl->last_span = tbl->first_span = dp; - dp->flags |= TBL_SPAN_FIRST; - } + dp = newspan(tbl, ln, rp); if ( ! strcmp(p, "_")) { dp->pos = TBL_SPAN_HORIZ; - return(1); + return; } else if ( ! strcmp(p, "=")) { dp->pos = TBL_SPAN_DHORIZ; - return(1); + return; } dp->pos = TBL_SPAN_DATA; - /* This returns 0 when TBL_PART_CDATA is entered. */ - + pos = 0; while ('\0' != p[pos]) - if ( ! data(tbl, dp, ln, p, &pos)) - return(0); - - return(1); + getdata(tbl, dp, ln, p, &pos); }