version 1.19, 2010/07/18 23:06:18 |
version 1.38, 2011/03/15 16:23:51 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv> |
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* Copyright (c) 2011 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 |
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#include <string.h> |
#include <string.h> |
#include <time.h> |
#include <time.h> |
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#include "mandoc.h" |
#include "out.h" |
#include "out.h" |
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static void tblcalc_data(struct rofftbl *, struct roffcol *, |
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const struct tbl *, const struct tbl_dat *); |
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static void tblcalc_literal(struct rofftbl *, struct roffcol *, |
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const struct tbl_dat *); |
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static void tblcalc_number(struct rofftbl *, struct roffcol *, |
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const struct tbl *, const struct tbl_dat *); |
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/* |
/* |
* Convert a `scaling unit' to a consistent form, or fail. Scaling |
* Convert a `scaling unit' to a consistent form, or fail. Scaling |
* units are documented in groff.7, mdoc.7, man.7. |
* units are documented in groff.7, mdoc.7, man.7. |
Line 116 a2roffsu(const char *src, struct roffsu *dst, enum rof |
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Line 125 a2roffsu(const char *src, struct roffsu *dst, enum rof |
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return(0); |
return(0); |
} |
} |
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/* FIXME: do this in the caller. */ |
if ((dst->scale = atof(buf)) < 0) |
if ((dst->scale = atof(buf)) < 0) |
dst->scale = 0; |
dst->scale = 0; |
dst->unit = unit; |
dst->unit = unit; |
Line 171 a2roffdeco(enum roffdeco *d, const char **word, size_t |
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Line 181 a2roffdeco(enum roffdeco *d, const char **word, size_t |
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int i, j, lim; |
int i, j, lim; |
char term, c; |
char term, c; |
const char *wp; |
const char *wp; |
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enum roffdeco dd; |
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*d = DECO_NONE; |
*d = DECO_NONE; |
lim = i = 0; |
lim = i = 0; |
Line 218 a2roffdeco(enum roffdeco *d, const char **word, size_t |
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Line 229 a2roffdeco(enum roffdeco *d, const char **word, size_t |
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break; |
break; |
} |
} |
break; |
break; |
case ('*'): |
case ('k'): |
*d = DECO_RESERVED; |
/* FALLTHROUGH */ |
switch (wp[i++]) { |
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case ('('): |
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lim = 2; |
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break; |
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case ('['): |
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term = ']'; |
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break; |
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default: |
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i--; |
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lim = 1; |
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break; |
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} |
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break; |
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case ('M'): |
case ('M'): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case ('m'): |
case ('m'): |
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/* FALLTHROUGH */ |
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case ('*'): |
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if ('*' == c) |
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*d = DECO_RESERVED; |
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switch (wp[i++]) { |
switch (wp[i++]) { |
case ('('): |
case ('('): |
lim = 2; |
lim = 2; |
Line 249 a2roffdeco(enum roffdeco *d, const char **word, size_t |
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Line 252 a2roffdeco(enum roffdeco *d, const char **word, size_t |
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break; |
break; |
} |
} |
break; |
break; |
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case ('N'): |
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/* |
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* Sequence of characters: backslash, 'N' (i = 0), |
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* starting delimiter (i = 1), character number (i = 2). |
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*/ |
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*word = wp + 2; |
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*sz = 0; |
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/* |
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* Cannot use a digit as a starting delimiter; |
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* but skip the digit anyway. |
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*/ |
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if (isdigit((int)wp[1])) |
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return(2); |
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/* |
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* Any non-digit terminates the character number. |
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* That is, the terminating delimiter need not |
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* match the starting delimiter. |
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*/ |
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for (i = 2; isdigit((int)wp[i]); i++) |
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(*sz)++; |
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/* |
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* This is only a numbered character |
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* if the character number has at least one digit. |
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*/ |
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if (*sz) |
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*d = DECO_NUMBERED; |
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/* |
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* Skip the terminating delimiter, even if it does not |
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* match, and even if there is no character number. |
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*/ |
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return(++i); |
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case ('h'): |
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/* FALLTHROUGH */ |
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case ('v'): |
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/* FALLTHROUGH */ |
case ('s'): |
case ('s'): |
if ('+' == wp[i] || '-' == wp[i]) |
j = 0; |
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if ('+' == wp[i] || '-' == wp[i]) { |
i++; |
i++; |
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j = 1; |
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} |
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j = ('s' != wp[i - 1]); |
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switch (wp[i++]) { |
switch (wp[i++]) { |
case ('('): |
case ('('): |
lim = 2; |
lim = 2; |
Line 265 a2roffdeco(enum roffdeco *d, const char **word, size_t |
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Line 316 a2roffdeco(enum roffdeco *d, const char **word, size_t |
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case ('\''): |
case ('\''): |
term = '\''; |
term = '\''; |
break; |
break; |
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case ('0'): |
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j = 1; |
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/* FALLTHROUGH */ |
default: |
default: |
i--; |
i--; |
lim = 1; |
lim = 1; |
Line 272 a2roffdeco(enum roffdeco *d, const char **word, size_t |
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Line 326 a2roffdeco(enum roffdeco *d, const char **word, size_t |
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} |
} |
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if ('+' == wp[i] || '-' == wp[i]) { |
if ('+' == wp[i] || '-' == wp[i]) { |
if (j++) |
if (j) |
return(i); |
return(i); |
i++; |
i++; |
} |
} |
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if (0 == j) |
/* Handle embedded numerical subexp or escape. */ |
return(i); |
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if ('(' == wp[i]) { |
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while (wp[i] && ')' != wp[i]) |
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if ('\\' == wp[i++]) { |
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/* Handle embedded escape. */ |
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*word = &wp[i]; |
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i += a2roffdeco(&dd, word, sz); |
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} |
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if (')' == wp[i++]) |
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break; |
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*d = DECO_NONE; |
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return(i - 1); |
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} else if ('\\' == wp[i]) { |
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*word = &wp[++i]; |
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i += a2roffdeco(&dd, word, sz); |
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} |
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break; |
break; |
case ('['): |
case ('['): |
*d = DECO_SPECIAL; |
*d = DECO_SPECIAL; |
Line 287 a2roffdeco(enum roffdeco *d, const char **word, size_t |
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Line 359 a2roffdeco(enum roffdeco *d, const char **word, size_t |
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case ('c'): |
case ('c'): |
*d = DECO_NOSPACE; |
*d = DECO_NOSPACE; |
return(i); |
return(i); |
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case ('z'): |
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*d = DECO_NONE; |
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if ('\\' == wp[i]) { |
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*word = &wp[++i]; |
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return(i + a2roffdeco(&dd, word, sz)); |
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} else |
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lim = 1; |
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break; |
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case ('o'): |
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/* FALLTHROUGH */ |
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case ('w'): |
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if ('\'' == wp[i++]) { |
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term = '\''; |
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break; |
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} |
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/* FALLTHROUGH */ |
default: |
default: |
*d = DECO_SPECIAL; |
*d = DECO_SSPECIAL; |
i--; |
i--; |
lim = 1; |
lim = 1; |
break; |
break; |
Line 322 a2roffdeco(enum roffdeco *d, const char **word, size_t |
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Line 410 a2roffdeco(enum roffdeco *d, const char **word, size_t |
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return(i); |
return(i); |
} |
} |
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/* |
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* Calculate the abstract widths and decimal positions of columns in a |
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* table. This routine allocates the columns structures then runs over |
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* all rows and cells in the table. The function pointers in "tbl" are |
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* used for the actual width calculations. |
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*/ |
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void |
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tblcalc(struct rofftbl *tbl, const struct tbl_span *sp) |
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{ |
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const struct tbl_dat *dp; |
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const struct tbl_head *hp; |
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struct roffcol *col; |
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/* |
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* Allocate the master column specifiers. These will hold the |
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* widths and decimal positions for all cells in the column. It |
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* must be freed and nullified by the caller. |
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*/ |
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assert(NULL == tbl->cols); |
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tbl->cols = calloc |
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((size_t)sp->tbl->cols, sizeof(struct roffcol)); |
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hp = sp->head; |
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for ( ; sp; sp = sp->next) { |
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if (TBL_SPAN_DATA != sp->pos) |
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continue; |
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/* |
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* Account for the data cells in the layout, matching it |
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* to data cells in the data section. |
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*/ |
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for (dp = sp->first; dp; dp = dp->next) { |
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assert(dp->layout); |
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col = &tbl->cols[dp->layout->head->ident]; |
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tblcalc_data(tbl, col, sp->tbl, dp); |
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} |
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} |
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/* |
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* Calculate width of the spanners. These get one space for a |
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* vertical line, two for a double-vertical line. |
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*/ |
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for ( ; hp; hp = hp->next) { |
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col = &tbl->cols[hp->ident]; |
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switch (hp->pos) { |
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case (TBL_HEAD_VERT): |
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col->width = (*tbl->len)(1, tbl->arg); |
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break; |
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case (TBL_HEAD_DVERT): |
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col->width = (*tbl->len)(2, tbl->arg); |
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break; |
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default: |
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break; |
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} |
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} |
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} |
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static void |
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tblcalc_data(struct rofftbl *tbl, struct roffcol *col, |
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const struct tbl *tp, const struct tbl_dat *dp) |
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{ |
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size_t sz; |
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/* Branch down into data sub-types. */ |
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switch (dp->layout->pos) { |
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case (TBL_CELL_HORIZ): |
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/* FALLTHROUGH */ |
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case (TBL_CELL_DHORIZ): |
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sz = (*tbl->len)(1, tbl->arg); |
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if (col->width < sz) |
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col->width = sz; |
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break; |
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case (TBL_CELL_LONG): |
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/* FALLTHROUGH */ |
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case (TBL_CELL_CENTRE): |
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/* FALLTHROUGH */ |
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case (TBL_CELL_LEFT): |
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/* FALLTHROUGH */ |
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case (TBL_CELL_RIGHT): |
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tblcalc_literal(tbl, col, dp); |
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break; |
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case (TBL_CELL_NUMBER): |
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tblcalc_number(tbl, col, tp, dp); |
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break; |
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case (TBL_CELL_DOWN): |
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break; |
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default: |
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abort(); |
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/* NOTREACHED */ |
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} |
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} |
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static void |
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tblcalc_literal(struct rofftbl *tbl, struct roffcol *col, |
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const struct tbl_dat *dp) |
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{ |
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size_t sz, bufsz, spsz; |
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const char *str; |
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/* |
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* Calculate our width and use the spacing, with a minimum |
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* spacing dictated by position (centre, e.g,. gets a space on |
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* either side, while right/left get a single adjacent space). |
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*/ |
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bufsz = spsz = 0; |
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str = dp->string ? dp->string : ""; |
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sz = (*tbl->slen)(str, tbl->arg); |
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/* FIXME: TBL_DATA_HORIZ et al.? */ |
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assert(dp->layout); |
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switch (dp->layout->pos) { |
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case (TBL_CELL_LONG): |
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/* FALLTHROUGH */ |
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case (TBL_CELL_CENTRE): |
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bufsz = (*tbl->len)(1, tbl->arg); |
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break; |
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default: |
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bufsz = (*tbl->len)(1, tbl->arg); |
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break; |
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} |
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if (dp->layout->spacing) { |
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spsz = (*tbl->len)(dp->layout->spacing, tbl->arg); |
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bufsz = bufsz > spsz ? bufsz : spsz; |
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} |
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sz += bufsz; |
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if (col->width < sz) |
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col->width = sz; |
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} |
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static void |
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tblcalc_number(struct rofftbl *tbl, struct roffcol *col, |
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const struct tbl *tp, const struct tbl_dat *dp) |
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{ |
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int i; |
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size_t sz, psz, ssz, d; |
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const char *str; |
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char *cp; |
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char buf[2]; |
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/* |
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* First calculate number width and decimal place (last + 1 for |
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* no-decimal numbers). If the stored decimal is subsequent |
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* ours, make our size longer by that difference |
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* (right-"shifting"); similarly, if ours is subsequent the |
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* stored, then extend the stored size by the difference. |
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* Finally, re-assign the stored values. |
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*/ |
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str = dp->string ? dp->string : ""; |
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sz = (*tbl->slen)(str, tbl->arg); |
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/* FIXME: TBL_DATA_HORIZ et al.? */ |
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buf[0] = tp->decimal; |
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buf[1] = '\0'; |
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psz = (*tbl->slen)(buf, tbl->arg); |
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if (NULL != (cp = strrchr(str, tp->decimal))) { |
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buf[1] = '\0'; |
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for (ssz = 0, i = 0; cp != &str[i]; i++) { |
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buf[0] = str[i]; |
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ssz += (*tbl->slen)(buf, tbl->arg); |
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} |
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d = ssz + psz; |
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} else |
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d = sz + psz; |
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/* Padding. */ |
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sz += (*tbl->len)(2, tbl->arg); |
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d += (*tbl->len)(1, tbl->arg); |
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/* Adjust the settings for this column. */ |
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if (col->decimal > d) { |
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sz += col->decimal - d; |
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d = col->decimal; |
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} else |
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col->width += d - col->decimal; |
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if (sz > col->width) |
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col->width = sz; |
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if (d > col->decimal) |
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col->decimal = d; |
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/* Adjust for stipulated width. */ |
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if (col->width < dp->layout->spacing) |
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col->width = dp->layout->spacing; |
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} |
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