version 1.394, 2022/06/07 09:41:59 |
version 1.397, 2023/10/21 17:10:18 |
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#include "tbl_parse.h" |
#include "tbl_parse.h" |
#include "eqn_parse.h" |
#include "eqn_parse.h" |
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/* |
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* ASCII_ESC is used to signal from roff_getarg() to roff_expand() |
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* that an escape sequence resulted from copy-in processing and |
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* needs to be checked or interpolated. As it is used nowhere |
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* else, it is defined here rather than in a header file. |
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*/ |
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#define ASCII_ESC 27 |
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/* Maximum number of string expansions per line, to break infinite loops. */ |
/* Maximum number of string expansions per line, to break infinite loops. */ |
#define EXPAND_LIMIT 1000 |
#define EXPAND_LIMIT 1000 |
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Line 1395 roff_expand(struct roff *r, struct buf *buf, int ln, i |
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Line 1387 roff_expand(struct roff *r, struct buf *buf, int ln, i |
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*/ |
*/ |
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if (buf->buf[pos] != ec) { |
if (buf->buf[pos] != ec) { |
if (ec != ASCII_ESC && buf->buf[pos] == '\\') { |
if (buf->buf[pos] == '\\') { |
roff_expand_patch(buf, pos, "\\e", pos + 1); |
roff_expand_patch(buf, pos, "\\e", pos + 1); |
pos++; |
pos++; |
} |
} |
Line 1457 roff_expand(struct roff *r, struct buf *buf, int ln, i |
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Line 1449 roff_expand(struct roff *r, struct buf *buf, int ln, i |
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break; |
break; |
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/* |
/* |
* If not overriden, |
* If not overridden, |
* let \*(.T through to the formatters. |
* let \*(.T through to the formatters. |
*/ |
*/ |
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Line 1640 roff_getarg(struct roff *r, char **cpp, int ln, int *p |
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Line 1632 roff_getarg(struct roff *r, char **cpp, int ln, int *p |
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cp++; |
cp++; |
break; |
break; |
case '\\': |
case '\\': |
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cp[-pairs] = '\\'; |
newesc = 1; |
newesc = 1; |
cp[-pairs] = ASCII_ESC; |
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pairs++; |
pairs++; |
cp++; |
cp++; |
break; |
break; |
Line 1697 roff_getarg(struct roff *r, char **cpp, int ln, int *p |
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Line 1689 roff_getarg(struct roff *r, char **cpp, int ln, int *p |
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buf.buf = start; |
buf.buf = start; |
buf.sz = strlen(start) + 1; |
buf.sz = strlen(start) + 1; |
buf.next = NULL; |
buf.next = NULL; |
if (roff_expand(r, &buf, ln, 0, ASCII_ESC) & ROFF_IGN) { |
if (roff_expand(r, &buf, ln, 0, '\\') & ROFF_IGN) { |
free(buf.buf); |
free(buf.buf); |
buf.buf = mandoc_strdup(""); |
buf.buf = mandoc_strdup(""); |
} |
} |
Line 2482 roff_getnum(const char *v, int *pos, int *res, int fla |
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Line 2474 roff_getnum(const char *v, int *pos, int *res, int fla |
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* Evaluate a string comparison condition. |
* Evaluate a string comparison condition. |
* The first character is the delimiter. |
* The first character is the delimiter. |
* Succeed if the string up to its second occurrence |
* Succeed if the string up to its second occurrence |
* matches the string up to its third occurence. |
* matches the string up to its third occurrence. |
* Advance the cursor after the third occurrence |
* Advance the cursor after the third occurrence |
* or lacking that, to the end of the line. |
* or lacking that, to the end of the line. |
*/ |
*/ |
Line 4374 roff_getformat(const struct roff *r) |
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Line 4366 roff_getformat(const struct roff *r) |
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* return zero and don't change the current position. |
* return zero and don't change the current position. |
* If the control character has been set with `.cc', then let that grain |
* If the control character has been set with `.cc', then let that grain |
* precedence. |
* precedence. |
* This is slighly contrary to groff, where using the non-breaking |
* This is slightly contrary to groff, where using the non-breaking |
* control character when `cc' has been invoked will cause the |
* control character when `cc' has been invoked will cause the |
* non-breaking macro contents to be printed verbatim. |
* non-breaking macro contents to be printed verbatim. |
*/ |
*/ |