version 1.42, 2017/06/08 18:11:22 |
version 1.48, 2018/12/12 21:54:35 |
|
|
/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2011, 2015, 2017 Ingo Schwarze <schwarze@openbsd.org> |
* Copyright (c) 2011, 2015, 2017, 2018 Ingo Schwarze <schwarze@openbsd.org> |
* |
* |
* Permission to use, copy, modify, and distribute this software for any |
* Permission to use, copy, modify, and distribute this software for any |
* purpose with or without fee is hereby granted, provided that the above |
* purpose with or without fee is hereby granted, provided that the above |
|
|
#include <string.h> |
#include <string.h> |
#include <time.h> |
#include <time.h> |
|
|
#include "mandoc.h" |
|
#include "mandoc_aux.h" |
#include "mandoc_aux.h" |
|
#include "mandoc.h" |
|
#include "tbl.h" |
#include "libmandoc.h" |
#include "libmandoc.h" |
#include "libroff.h" |
#include "libroff.h" |
|
|
|
|
getdata(struct tbl_node *tbl, struct tbl_span *dp, |
getdata(struct tbl_node *tbl, struct tbl_span *dp, |
int ln, const char *p, int *pos) |
int ln, const char *p, int *pos) |
{ |
{ |
struct tbl_dat *dat; |
struct tbl_dat *dat, *pdat; |
struct tbl_cell *cp; |
struct tbl_cell *cp; |
|
struct tbl_span *pdp; |
int sv; |
int sv; |
|
|
|
/* |
|
* Determine the length of the string in the cell |
|
* and advance the parse point to the end of the cell. |
|
*/ |
|
|
|
sv = *pos; |
|
while (p[*pos] != '\0' && p[*pos] != tbl->opts.tab) |
|
(*pos)++; |
|
|
/* Advance to the next layout cell, skipping spanners. */ |
/* Advance to the next layout cell, skipping spanners. */ |
|
|
cp = dp->last == NULL ? dp->layout->first : dp->last->layout->next; |
cp = dp->last == NULL ? dp->layout->first : dp->last->layout->next; |
Line 51 getdata(struct tbl_node *tbl, struct tbl_span *dp, |
|
Line 62 getdata(struct tbl_node *tbl, struct tbl_span *dp, |
|
cp = cp->next; |
cp = cp->next; |
|
|
/* |
/* |
* Stop processing when we reach the end of the available layout |
* If the current layout row is out of cells, allocate |
* cells. This means that we have extra input. |
* a new cell if another row of the table has at least |
|
* this number of columns, or discard the input if we |
|
* are beyond the last column of the table as a whole. |
*/ |
*/ |
|
|
if (cp == NULL) { |
if (cp == NULL) { |
mandoc_msg(MANDOCERR_TBLDATA_EXTRA, tbl->parse, |
if (dp->layout->last->col + 1 < dp->opts->cols) { |
ln, *pos, p + *pos); |
cp = mandoc_calloc(1, sizeof(*cp)); |
/* Skip to the end... */ |
cp->pos = TBL_CELL_LEFT; |
while (p[*pos]) |
dp->layout->last->next = cp; |
(*pos)++; |
cp->col = dp->layout->last->col + 1; |
return; |
dp->layout->last = cp; |
|
} else { |
|
mandoc_msg(MANDOCERR_TBLDATA_EXTRA, tbl->parse, |
|
ln, sv, p + sv); |
|
while (p[*pos] != '\0') |
|
(*pos)++; |
|
return; |
|
} |
} |
} |
|
|
dat = mandoc_calloc(1, sizeof(*dat)); |
dat = mandoc_malloc(sizeof(*dat)); |
dat->layout = cp; |
dat->layout = cp; |
|
dat->next = NULL; |
|
dat->string = NULL; |
|
dat->hspans = 0; |
|
dat->vspans = 0; |
|
dat->block = 0; |
dat->pos = TBL_DATA_NONE; |
dat->pos = TBL_DATA_NONE; |
dat->spans = 0; |
|
|
/* |
|
* Increment the number of vertical spans in a data cell above, |
|
* if this cell vertically extends one or more cells above. |
|
* The iteration must be done over data rows, |
|
* not over layout rows, because one layout row |
|
* can be reused for more than one data row. |
|
*/ |
|
|
|
if (cp->pos == TBL_CELL_DOWN || |
|
(*pos - sv == 2 && p[sv] == '\\' && p[sv + 1] == '^')) { |
|
pdp = dp; |
|
while ((pdp = pdp->prev) != NULL) { |
|
pdat = pdp->first; |
|
while (pdat != NULL && |
|
pdat->layout->col < dat->layout->col) |
|
pdat = pdat->next; |
|
if (pdat == NULL) |
|
break; |
|
if (pdat->layout->pos != TBL_CELL_DOWN && |
|
strcmp(pdat->string, "\\^") != 0) { |
|
pdat->vspans++; |
|
break; |
|
} |
|
} |
|
} |
|
|
|
/* |
|
* Count the number of horizontal spans to the right of this cell. |
|
* This is purely a matter of the layout, independent of the data. |
|
*/ |
|
|
for (cp = cp->next; cp != NULL; cp = cp->next) |
for (cp = cp->next; cp != NULL; cp = cp->next) |
if (cp->pos == TBL_CELL_SPAN) |
if (cp->pos == TBL_CELL_SPAN) |
dat->spans++; |
dat->hspans++; |
else |
else |
break; |
break; |
|
|
|
/* Append the new data cell to the data row. */ |
|
|
if (dp->last == NULL) |
if (dp->last == NULL) |
dp->first = dat; |
dp->first = dat; |
else |
else |
dp->last->next = dat; |
dp->last->next = dat; |
dp->last = dat; |
dp->last = dat; |
|
|
sv = *pos; |
|
while (p[*pos] && p[*pos] != tbl->opts.tab) |
|
(*pos)++; |
|
|
|
/* |
/* |
* Check for a continued-data scope opening. This consists of a |
* Check for a continued-data scope opening. This consists of a |
* trailing `T{' at the end of the line. Subsequent lines, |
* trailing `T{' at the end of the line. Subsequent lines, |
Line 97 getdata(struct tbl_node *tbl, struct tbl_span *dp, |
|
Line 151 getdata(struct tbl_node *tbl, struct tbl_span *dp, |
|
|
|
dat->string = mandoc_strndup(p + sv, *pos - sv); |
dat->string = mandoc_strndup(p + sv, *pos - sv); |
|
|
if (p[*pos]) |
if (p[*pos] != '\0') |
(*pos)++; |
(*pos)++; |
|
|
if ( ! strcmp(dat->string, "_")) |
if ( ! strcmp(dat->string, "_")) |
Line 119 getdata(struct tbl_node *tbl, struct tbl_span *dp, |
|
Line 173 getdata(struct tbl_node *tbl, struct tbl_span *dp, |
|
tbl->parse, ln, sv, dat->string); |
tbl->parse, ln, sv, dat->string); |
} |
} |
|
|
int |
void |
tbl_cdata(struct tbl_node *tbl, int ln, const char *p, int pos) |
tbl_cdata(struct tbl_node *tbl, int ln, const char *p, int pos) |
{ |
{ |
struct tbl_dat *dat; |
struct tbl_dat *dat; |
Line 134 tbl_cdata(struct tbl_node *tbl, int ln, const char *p, |
|
Line 188 tbl_cdata(struct tbl_node *tbl, int ln, const char *p, |
|
pos++; |
pos++; |
while (p[pos] != '\0') |
while (p[pos] != '\0') |
getdata(tbl, tbl->last_span, ln, p, &pos); |
getdata(tbl, tbl->last_span, ln, p, &pos); |
return 1; |
return; |
} else if (p[pos] == '\0') { |
} else if (p[pos] == '\0') { |
tbl->part = TBL_PART_DATA; |
tbl->part = TBL_PART_DATA; |
return 1; |
return; |
} |
} |
|
|
/* Fallthrough: T} is part of a word. */ |
/* Fallthrough: T} is part of a word. */ |
Line 157 tbl_cdata(struct tbl_node *tbl, int ln, const char *p, |
|
Line 211 tbl_cdata(struct tbl_node *tbl, int ln, const char *p, |
|
if (dat->layout->pos == TBL_CELL_DOWN) |
if (dat->layout->pos == TBL_CELL_DOWN) |
mandoc_msg(MANDOCERR_TBLDATA_SPAN, tbl->parse, |
mandoc_msg(MANDOCERR_TBLDATA_SPAN, tbl->parse, |
ln, pos, dat->string); |
ln, pos, dat->string); |
|
|
return 0; |
|
} |
} |
|
|
static struct tbl_span * |
static struct tbl_span * |
Line 185 newspan(struct tbl_node *tbl, int line, struct tbl_row |
|
Line 237 newspan(struct tbl_node *tbl, int line, struct tbl_row |
|
void |
void |
tbl_data(struct tbl_node *tbl, int ln, const char *p, int pos) |
tbl_data(struct tbl_node *tbl, int ln, const char *p, int pos) |
{ |
{ |
struct tbl_span *dp; |
|
struct tbl_row *rp; |
struct tbl_row *rp; |
|
struct tbl_cell *cp; |
|
struct tbl_span *sp; |
|
|
/* |
rp = (sp = tbl->last_span) == NULL ? tbl->first_row : |
* Choose a layout row: take the one following the last parsed |
sp->pos == TBL_SPAN_DATA && sp->layout->next != NULL ? |
* span's. If that doesn't exist, use the last parsed span's. |
sp->layout->next : sp->layout; |
* 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 != NULL) { |
assert(rp != NULL); |
if (tbl->last_span->pos == TBL_SPAN_DATA) { |
|
for (rp = tbl->last_span->layout->next; |
|
rp != NULL && rp->first != NULL; |
|
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 (rp == NULL) |
|
rp = tbl->last_span->layout; |
|
} else |
|
rp = tbl->first_row; |
|
|
|
assert(rp); |
|
|
|
dp = newspan(tbl, ln, rp); |
|
|
|
if ( ! strcmp(p, "_")) { |
if ( ! strcmp(p, "_")) { |
dp->pos = TBL_SPAN_HORIZ; |
sp = newspan(tbl, ln, rp); |
|
sp->pos = TBL_SPAN_HORIZ; |
return; |
return; |
} else if ( ! strcmp(p, "=")) { |
} else if ( ! strcmp(p, "=")) { |
dp->pos = TBL_SPAN_DHORIZ; |
sp = newspan(tbl, ln, rp); |
|
sp->pos = TBL_SPAN_DHORIZ; |
return; |
return; |
} |
} |
|
|
dp->pos = TBL_SPAN_DATA; |
/* |
|
* If the layout row contains nothing but horizontal lines, |
|
* allocate an empty span for it and assign the current span |
|
* to the next layout row accepting data. |
|
*/ |
|
|
|
while (rp->next != NULL) { |
|
if (rp->last->col + 1 < tbl->opts.cols) |
|
break; |
|
for (cp = rp->first; cp != NULL; cp = cp->next) |
|
if (cp->pos != TBL_CELL_HORIZ && |
|
cp->pos != TBL_CELL_DHORIZ) |
|
break; |
|
if (cp != NULL) |
|
break; |
|
sp = newspan(tbl, ln, rp); |
|
sp->pos = TBL_SPAN_DATA; |
|
rp = rp->next; |
|
} |
|
|
|
/* Process a real data row. */ |
|
|
|
sp = newspan(tbl, ln, rp); |
|
sp->pos = TBL_SPAN_DATA; |
while (p[pos] != '\0') |
while (p[pos] != '\0') |
getdata(tbl, dp, ln, p, &pos); |
getdata(tbl, sp, ln, p, &pos); |
} |
} |