version 1.198, 2014/03/08 04:43:54 |
version 1.218, 2014/07/06 18:46:55 |
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#include <string.h> |
#include <string.h> |
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#include "mandoc.h" |
#include "mandoc.h" |
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#include "mandoc_aux.h" |
#include "libroff.h" |
#include "libroff.h" |
#include "libmandoc.h" |
#include "libmandoc.h" |
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ROFF_ns, |
ROFF_ns, |
ROFF_ps, |
ROFF_ps, |
ROFF_rm, |
ROFF_rm, |
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ROFF_rr, |
ROFF_so, |
ROFF_so, |
ROFF_ta, |
ROFF_ta, |
ROFF_tr, |
ROFF_tr, |
Line 103 struct roffreg { |
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Line 105 struct roffreg { |
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}; |
}; |
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struct roff { |
struct roff { |
enum mparset parsetype; /* requested parse type */ |
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struct mparse *parse; /* parse point */ |
struct mparse *parse; /* parse point */ |
int quick; /* skip standard macro deletion */ |
int options; /* parse options */ |
struct roffnode *last; /* leaf of stack */ |
struct roffnode *last; /* leaf of stack */ |
int rstack[RSTACK_MAX]; /* stack of !`ie' rules */ |
int rstack[RSTACK_MAX]; /* stack of !`ie' rules */ |
char control; /* control character */ |
char control; /* control character */ |
Line 136 struct roffnode { |
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Line 137 struct roffnode { |
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#define ROFF_ARGS struct roff *r, /* parse ctx */ \ |
#define ROFF_ARGS struct roff *r, /* parse ctx */ \ |
enum rofft tok, /* tok of macro */ \ |
enum rofft tok, /* tok of macro */ \ |
char **bufp, /* input buffer */ \ |
char **bufp, /* input buffer */ \ |
size_t *szp, /* size of input buffer */ \ |
size_t *szp, /* size of input buffer */ \ |
int ln, /* parse line */ \ |
int ln, /* parse line */ \ |
int ppos, /* original pos in buffer */ \ |
int ppos, /* original pos in buffer */ \ |
Line 180 static enum rofferr roff_cond_text(ROFF_ARGS); |
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Line 181 static enum rofferr roff_cond_text(ROFF_ARGS); |
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static enum rofferr roff_cond_sub(ROFF_ARGS); |
static enum rofferr roff_cond_sub(ROFF_ARGS); |
static enum rofferr roff_ds(ROFF_ARGS); |
static enum rofferr roff_ds(ROFF_ARGS); |
static int roff_evalcond(const char *, int *); |
static int roff_evalcond(const char *, int *); |
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static int roff_evalnum(const char *, int *, int *, int); |
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static int roff_evalpar(const char *, int *, int *); |
static int roff_evalstrcond(const char *, int *); |
static int roff_evalstrcond(const char *, int *); |
static void roff_free1(struct roff *); |
static void roff_free1(struct roff *); |
static void roff_freereg(struct roffreg *); |
static void roff_freereg(struct roffreg *); |
static void roff_freestr(struct roffkv *); |
static void roff_freestr(struct roffkv *); |
static char *roff_getname(struct roff *, char **, int, int); |
static size_t roff_getname(struct roff *, char **, int, int); |
static int roff_getnum(const char *, int *, int *); |
static int roff_getnum(const char *, int *, int *); |
static int roff_getop(const char *, int *, char *); |
static int roff_getop(const char *, int *, char *); |
static int roff_getregn(const struct roff *, |
static int roff_getregn(const struct roff *, |
const char *, size_t); |
const char *, size_t); |
static int roff_getregro(const char *name); |
static int roff_getregro(const char *name); |
static const char *roff_getstrn(const struct roff *, |
static const char *roff_getstrn(const struct roff *, |
const char *, size_t); |
const char *, size_t); |
static enum rofferr roff_it(ROFF_ARGS); |
static enum rofferr roff_it(ROFF_ARGS); |
static enum rofferr roff_line_ignore(ROFF_ARGS); |
static enum rofferr roff_line_ignore(ROFF_ARGS); |
static enum rofferr roff_nr(ROFF_ARGS); |
static enum rofferr roff_nr(ROFF_ARGS); |
static void roff_openeqn(struct roff *, const char *, |
static void roff_openeqn(struct roff *, const char *, |
int, int, const char *); |
int, int, const char *); |
static enum rofft roff_parse(struct roff *, const char *, int *); |
static enum rofft roff_parse(struct roff *, char *, int *, |
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int, int); |
static enum rofferr roff_parsetext(char **, size_t *, int, int *); |
static enum rofferr roff_parsetext(char **, size_t *, int, int *); |
static enum rofferr roff_res(struct roff *, |
static enum rofferr roff_res(struct roff *, |
char **, size_t *, int, int); |
char **, size_t *, int, int); |
static enum rofferr roff_rm(ROFF_ARGS); |
static enum rofferr roff_rm(ROFF_ARGS); |
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static enum rofferr roff_rr(ROFF_ARGS); |
static void roff_setstr(struct roff *, |
static void roff_setstr(struct roff *, |
const char *, const char *, int); |
const char *, const char *, int); |
static void roff_setstrn(struct roffkv **, const char *, |
static void roff_setstrn(struct roffkv **, const char *, |
size_t, const char *, size_t, int); |
size_t, const char *, size_t, int); |
static enum rofferr roff_so(ROFF_ARGS); |
static enum rofferr roff_so(ROFF_ARGS); |
static enum rofferr roff_tr(ROFF_ARGS); |
static enum rofferr roff_tr(ROFF_ARGS); |
Line 251 static struct roffmac roffs[ROFF_MAX] = { |
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Line 256 static struct roffmac roffs[ROFF_MAX] = { |
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{ "ns", roff_line_ignore, NULL, NULL, 0, NULL }, |
{ "ns", roff_line_ignore, NULL, NULL, 0, NULL }, |
{ "ps", roff_line_ignore, NULL, NULL, 0, NULL }, |
{ "ps", roff_line_ignore, NULL, NULL, 0, NULL }, |
{ "rm", roff_rm, NULL, NULL, 0, NULL }, |
{ "rm", roff_rm, NULL, NULL, 0, NULL }, |
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{ "rr", roff_rr, NULL, NULL, 0, NULL }, |
{ "so", roff_so, NULL, NULL, 0, NULL }, |
{ "so", roff_so, NULL, NULL, 0, NULL }, |
{ "ta", roff_line_ignore, NULL, NULL, 0, NULL }, |
{ "ta", roff_line_ignore, NULL, NULL, 0, NULL }, |
{ "tr", roff_tr, NULL, NULL, 0, NULL }, |
{ "tr", roff_tr, NULL, NULL, 0, NULL }, |
Line 265 static struct roffmac roffs[ROFF_MAX] = { |
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Line 271 static struct roffmac roffs[ROFF_MAX] = { |
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{ NULL, roff_userdef, NULL, NULL, 0, NULL }, |
{ NULL, roff_userdef, NULL, NULL, 0, NULL }, |
}; |
}; |
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/* not currently implemented: Ds em Eq LP Me PP pp Or Rd Sf SH */ |
const char *const __mdoc_reserved[] = { |
const char *const __mdoc_reserved[] = { |
"Ac", "Ad", "An", "Ao", "Ap", "Aq", "Ar", "At", |
"Ac", "Ad", "An", "Ao", "Ap", "Aq", "Ar", "At", |
"Bc", "Bd", "Bf", "Bk", "Bl", "Bo", "Bq", |
"Bc", "Bd", "Bf", "Bk", "Bl", "Bo", "Bq", |
"Brc", "Bro", "Brq", "Bsx", "Bt", "Bx", |
"Brc", "Bro", "Brq", "Bsx", "Bt", "Bx", |
"Cd", "Cm", "Db", "Dc", "Dd", "Dl", "Do", "Dq", |
"Cd", "Cm", "Db", "Dc", "Dd", "Dl", "Do", "Dq", |
"Ds", "Dt", "Dv", "Dx", "D1", |
"Dt", "Dv", "Dx", "D1", |
"Ec", "Ed", "Ef", "Ek", "El", "Em", "em", |
"Ec", "Ed", "Ef", "Ek", "El", "Em", |
"En", "Eo", "Eq", "Er", "Es", "Ev", "Ex", |
"En", "Eo", "Er", "Es", "Ev", "Ex", |
"Fa", "Fc", "Fd", "Fl", "Fn", "Fo", "Fr", "Ft", "Fx", |
"Fa", "Fc", "Fd", "Fl", "Fn", "Fo", "Fr", "Ft", "Fx", |
"Hf", "Ic", "In", "It", "Lb", "Li", "Lk", "Lp", "LP", |
"Hf", "Ic", "In", "It", "Lb", "Li", "Lk", "Lp", |
"Me", "Ms", "Mt", "Nd", "Nm", "No", "Ns", "Nx", |
"Ms", "Mt", "Nd", "Nm", "No", "Ns", "Nx", |
"Oc", "Oo", "Op", "Os", "Ot", "Ox", |
"Oc", "Oo", "Op", "Os", "Ot", "Ox", |
"Pa", "Pc", "Pf", "Po", "Pp", "PP", "pp", "Pq", |
"Pa", "Pc", "Pf", "Po", "Pp", "Pq", |
"Qc", "Ql", "Qo", "Qq", "Or", "Rd", "Re", "Rs", "Rv", |
"Qc", "Ql", "Qo", "Qq", "Re", "Rs", "Rv", |
"Sc", "Sf", "Sh", "SH", "Sm", "So", "Sq", |
"Sc", "Sh", "Sm", "So", "Sq", |
"Ss", "St", "Sx", "Sy", |
"Ss", "St", "Sx", "Sy", |
"Ta", "Tn", "Ud", "Ux", "Va", "Vt", "Xc", "Xo", "Xr", |
"Ta", "Tn", "Ud", "Ux", "Va", "Vt", "Xc", "Xo", "Xr", |
"%A", "%B", "%D", "%I", "%J", "%N", "%O", |
"%A", "%B", "%C", "%D", "%I", "%J", "%N", "%O", |
"%P", "%Q", "%R", "%T", "%U", "%V", |
"%P", "%Q", "%R", "%T", "%U", "%V", |
NULL |
NULL |
}; |
}; |
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/* not currently implemented: BT DE DS ME MT PT SY TQ YS */ |
const char *const __man_reserved[] = { |
const char *const __man_reserved[] = { |
"AT", "B", "BI", "BR", "BT", "DE", "DS", "DT", |
"AT", "B", "BI", "BR", "DT", |
"EE", "EN", "EQ", "EX", "HF", "HP", "I", "IB", "IP", "IR", |
"EE", "EN", "EQ", "EX", "HP", "I", "IB", "IP", "IR", |
"LP", "ME", "MT", "OP", "P", "PD", "PP", "PT", |
"LP", "OP", "P", "PD", "PP", |
"R", "RB", "RE", "RI", "RS", "SB", "SH", "SM", "SS", "SY", |
"R", "RB", "RE", "RI", "RS", "SB", "SH", "SM", "SS", |
"TE", "TH", "TP", "TQ", "TS", "T&", "UC", "UE", "UR", "YS", |
"TE", "TH", "TP", "TS", "T&", "UC", "UE", "UR", |
NULL |
NULL |
}; |
}; |
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Line 308 static const struct predef predefs[PREDEFS_MAX] = { |
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Line 316 static const struct predef predefs[PREDEFS_MAX] = { |
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static int roffit_lines; /* number of lines to delay */ |
static int roffit_lines; /* number of lines to delay */ |
static char *roffit_macro; /* nil-terminated macro line */ |
static char *roffit_macro; /* nil-terminated macro line */ |
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static void |
static void |
roffhash_init(void) |
roffhash_init(void) |
{ |
{ |
Line 360 roffhash_find(const char *p, size_t s) |
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Line 369 roffhash_find(const char *p, size_t s) |
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return(ROFF_MAX); |
return(ROFF_MAX); |
} |
} |
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/* |
/* |
* Pop the current node off of the stack of roff instructions currently |
* Pop the current node off of the stack of roff instructions currently |
* pending. |
* pending. |
Line 371 roffnode_pop(struct roff *r) |
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Line 379 roffnode_pop(struct roff *r) |
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struct roffnode *p; |
struct roffnode *p; |
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assert(r->last); |
assert(r->last); |
p = r->last; |
p = r->last; |
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r->last = r->last->parent; |
r->last = r->last->parent; |
free(p->name); |
free(p->name); |
Line 379 roffnode_pop(struct roff *r) |
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Line 387 roffnode_pop(struct roff *r) |
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free(p); |
free(p); |
} |
} |
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/* |
/* |
* Push a roff node onto the instruction stack. This must later be |
* Push a roff node onto the instruction stack. This must later be |
* removed with roffnode_pop(). |
* removed with roffnode_pop(). |
Line 402 roffnode_push(struct roff *r, enum rofft tok, const ch |
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Line 409 roffnode_push(struct roff *r, enum rofft tok, const ch |
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r->last = p; |
r->last = p; |
} |
} |
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static void |
static void |
roff_free1(struct roff *r) |
roff_free1(struct roff *r) |
{ |
{ |
Line 452 roff_reset(struct roff *r) |
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Line 458 roff_reset(struct roff *r) |
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r->control = 0; |
r->control = 0; |
} |
} |
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void |
void |
roff_free(struct roff *r) |
roff_free(struct roff *r) |
{ |
{ |
Line 461 roff_free(struct roff *r) |
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Line 466 roff_free(struct roff *r) |
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free(r); |
free(r); |
} |
} |
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struct roff * |
struct roff * |
roff_alloc(enum mparset type, struct mparse *parse, int quick) |
roff_alloc(struct mparse *parse, int options) |
{ |
{ |
struct roff *r; |
struct roff *r; |
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r = mandoc_calloc(1, sizeof(struct roff)); |
r = mandoc_calloc(1, sizeof(struct roff)); |
r->parsetype = type; |
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r->parse = parse; |
r->parse = parse; |
r->quick = quick; |
r->options = options; |
r->rstackpos = -1; |
r->rstackpos = -1; |
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roffhash_init(); |
roffhash_init(); |
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return(r); |
return(r); |
} |
} |
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/* |
/* |
* In the current line, expand user-defined strings ("\*") |
* In the current line, expand escape sequences that tend to get |
* and references to number registers ("\n"). |
* used in numerical expressions and conditional requests. |
* Also check the syntax of other escape sequences. |
* Also check the syntax of the remaining escape sequences. |
*/ |
*/ |
static enum rofferr |
static enum rofferr |
roff_res(struct roff *r, char **bufp, size_t *szp, int ln, int pos) |
roff_res(struct roff *r, char **bufp, size_t *szp, int ln, int pos) |
{ |
{ |
char ubuf[12]; /* buffer to print the number */ |
char ubuf[24]; /* buffer to print the number */ |
const char *stesc; /* start of an escape sequence ('\\') */ |
const char *start; /* start of the string to process */ |
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char *stesc; /* start of an escape sequence ('\\') */ |
const char *stnam; /* start of the name, after "[(*" */ |
const char *stnam; /* start of the name, after "[(*" */ |
const char *cp; /* end of the name, e.g. before ']' */ |
const char *cp; /* end of the name, e.g. before ']' */ |
const char *res; /* the string to be substituted */ |
const char *res; /* the string to be substituted */ |
char *nbuf; /* new buffer to copy bufp to */ |
char *nbuf; /* new buffer to copy bufp to */ |
size_t nsz; /* size of the new buffer */ |
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size_t maxl; /* expected length of the escape name */ |
size_t maxl; /* expected length of the escape name */ |
size_t naml; /* actual length of the escape name */ |
size_t naml; /* actual length of the escape name */ |
int expand_count; /* to avoid infinite loops */ |
int expand_count; /* to avoid infinite loops */ |
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int npos; /* position in numeric expression */ |
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int arg_complete; /* argument not interrupted by eol */ |
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char term; /* character terminating the escape */ |
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expand_count = 0; |
expand_count = 0; |
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start = *bufp + pos; |
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stesc = strchr(start, '\0') - 1; |
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while (stesc-- > start) { |
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again: |
/* Search backwards for the next backslash. */ |
cp = *bufp + pos; |
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while (NULL != (cp = strchr(cp, '\\'))) { |
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stesc = cp++; |
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/* |
if ('\\' != *stesc) |
* The second character must be an asterisk or an n. |
continue; |
* If it isn't, skip it anyway: It is escaped, |
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* so it can't start another escape sequence. |
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*/ |
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if ('\0' == *cp) |
/* If it is escaped, skip it. */ |
return(ROFF_CONT); |
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for (cp = stesc - 1; cp >= start; cp--) |
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if ('\\' != *cp) |
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break; |
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if (0 == (stesc - cp) % 2) { |
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stesc = (char *)cp; |
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continue; |
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} |
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/* Decide whether to expand or to check only. */ |
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term = '\0'; |
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cp = stesc + 1; |
switch (*cp) { |
switch (*cp) { |
case ('*'): |
case '*': |
res = NULL; |
res = NULL; |
break; |
break; |
case ('n'): |
case 'B': |
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/* FALLTHROUGH */ |
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case 'w': |
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term = cp[1]; |
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/* FALLTHROUGH */ |
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case 'n': |
res = ubuf; |
res = ubuf; |
break; |
break; |
default: |
default: |
if (ESCAPE_ERROR != mandoc_escape(&cp, NULL, NULL)) |
if (ESCAPE_ERROR == mandoc_escape(&cp, NULL, NULL)) |
continue; |
mandoc_msg(MANDOCERR_BADESCAPE, r->parse, |
mandoc_msg |
ln, (int)(stesc - *bufp), NULL); |
(MANDOCERR_BADESCAPE, r->parse, |
continue; |
ln, (int)(stesc - *bufp), NULL); |
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return(ROFF_CONT); |
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} |
} |
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cp++; |
if (EXPAND_LIMIT < ++expand_count) { |
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mandoc_msg(MANDOCERR_ROFFLOOP, r->parse, |
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ln, (int)(stesc - *bufp), NULL); |
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return(ROFF_IGN); |
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} |
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/* |
/* |
* The third character decides the length |
* The third character decides the length |
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* Save a pointer to the name. |
* Save a pointer to the name. |
*/ |
*/ |
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switch (*cp) { |
if ('\0' == term) { |
case ('\0'): |
switch (*++cp) { |
return(ROFF_CONT); |
case '\0': |
case ('('): |
maxl = 0; |
cp++; |
break; |
maxl = 2; |
case '(': |
break; |
cp++; |
case ('['): |
maxl = 2; |
cp++; |
break; |
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case '[': |
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cp++; |
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term = ']'; |
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maxl = 0; |
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break; |
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default: |
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maxl = 1; |
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break; |
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} |
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} else { |
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cp += 2; |
maxl = 0; |
maxl = 0; |
break; |
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default: |
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maxl = 1; |
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break; |
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} |
} |
stnam = cp; |
stnam = cp; |
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/* Advance to the end of the name. */ |
/* Advance to the end of the name. */ |
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arg_complete = 1; |
for (naml = 0; 0 == maxl || naml < maxl; naml++, cp++) { |
for (naml = 0; 0 == maxl || naml < maxl; naml++, cp++) { |
if ('\0' == *cp) { |
if ('\0' == *cp) { |
mandoc_msg |
mandoc_msg(MANDOCERR_BADESCAPE, r->parse, |
(MANDOCERR_BADESCAPE, |
ln, (int)(stesc - *bufp), NULL); |
r->parse, ln, |
arg_complete = 0; |
(int)(stesc - *bufp), NULL); |
break; |
return(ROFF_CONT); |
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} |
} |
if (0 == maxl && ']' == *cp) |
if (0 == maxl && *cp == term) { |
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cp++; |
break; |
break; |
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} |
} |
} |
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/* |
/* |
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* undefined, resume searching for escapes. |
* undefined, resume searching for escapes. |
*/ |
*/ |
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if (NULL == res) |
switch (stesc[1]) { |
res = roff_getstrn(r, stnam, naml); |
case '*': |
else |
if (arg_complete) |
snprintf(ubuf, sizeof(ubuf), "%d", |
res = roff_getstrn(r, stnam, naml); |
roff_getregn(r, stnam, naml)); |
break; |
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case 'B': |
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npos = 0; |
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ubuf[0] = arg_complete && |
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roff_evalnum(stnam, &npos, NULL, 0) && |
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stnam + npos + 1 == cp ? '1' : '0'; |
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ubuf[1] = '\0'; |
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break; |
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case 'n': |
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if (arg_complete) |
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(void)snprintf(ubuf, sizeof(ubuf), "%d", |
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roff_getregn(r, stnam, naml)); |
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else |
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ubuf[0] = '\0'; |
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break; |
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case 'w': |
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/* use even incomplete args */ |
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(void)snprintf(ubuf, sizeof(ubuf), "%d", |
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24 * (int)naml); |
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break; |
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} |
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if (NULL == res) { |
if (NULL == res) { |
mandoc_msg |
mandoc_msg(MANDOCERR_BADESCAPE, r->parse, |
(MANDOCERR_BADESCAPE, r->parse, |
ln, (int)(stesc - *bufp), NULL); |
ln, (int)(stesc - *bufp), NULL); |
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res = ""; |
res = ""; |
} |
} |
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/* Replace the escape sequence by the string. */ |
/* Replace the escape sequence by the string. */ |
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pos = stesc - *bufp; |
*stesc = '\0'; |
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*szp = mandoc_asprintf(&nbuf, "%s%s%s", |
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*bufp, res, cp) + 1; |
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nsz = *szp + strlen(res) + 1; |
/* Prepare for the next replacement. */ |
nbuf = mandoc_malloc(nsz); |
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strlcpy(nbuf, *bufp, (size_t)(stesc - *bufp + 1)); |
start = nbuf + pos; |
strlcat(nbuf, res, nsz); |
stesc = nbuf + (stesc - *bufp) + strlen(res); |
strlcat(nbuf, cp + (maxl ? 0 : 1), nsz); |
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free(*bufp); |
free(*bufp); |
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*bufp = nbuf; |
*bufp = nbuf; |
*szp = nsz; |
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if (EXPAND_LIMIT >= ++expand_count) |
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goto again; |
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/* Just leave the string unexpanded. */ |
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mandoc_msg(MANDOCERR_ROFFLOOP, r->parse, ln, pos, NULL); |
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return(ROFF_IGN); |
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} |
} |
return(ROFF_CONT); |
return(ROFF_CONT); |
} |
} |
Line 655 roff_parsetext(char **bufp, size_t *szp, int pos, int |
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Line 695 roff_parsetext(char **bufp, size_t *szp, int pos, int |
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/* Spring the input line trap. */ |
/* Spring the input line trap. */ |
if (1 == roffit_lines) { |
if (1 == roffit_lines) { |
isz = asprintf(&p, "%s\n.%s", *bufp, roffit_macro); |
isz = mandoc_asprintf(&p, "%s\n.%s", *bufp, roffit_macro); |
if (-1 == isz) { |
|
perror(NULL); |
|
exit((int)MANDOCLEVEL_SYSERR); |
|
} |
|
free(*bufp); |
free(*bufp); |
*bufp = p; |
*bufp = p; |
*szp = isz + 1; |
*szp = isz + 1; |
Line 673 roff_parsetext(char **bufp, size_t *szp, int pos, int |
|
Line 709 roff_parsetext(char **bufp, size_t *szp, int pos, int |
|
} |
} |
|
|
enum rofferr |
enum rofferr |
roff_parseln(struct roff *r, int ln, char **bufp, |
roff_parseln(struct roff *r, int ln, char **bufp, |
size_t *szp, int pos, int *offs) |
size_t *szp, int pos, int *offs) |
{ |
{ |
enum rofft t; |
enum rofft t; |
Line 704 roff_parseln(struct roff *r, int ln, char **bufp, |
|
Line 740 roff_parseln(struct roff *r, int ln, char **bufp, |
|
if (r->last && ! ctl) { |
if (r->last && ! ctl) { |
t = r->last->tok; |
t = r->last->tok; |
assert(roffs[t].text); |
assert(roffs[t].text); |
e = (*roffs[t].text) |
e = (*roffs[t].text)(r, t, bufp, szp, ln, pos, pos, offs); |
(r, t, bufp, szp, ln, pos, pos, offs); |
|
assert(ROFF_IGN == e || ROFF_CONT == e); |
assert(ROFF_IGN == e || ROFF_CONT == e); |
if (ROFF_CONT != e) |
if (ROFF_CONT != e) |
return(e); |
return(e); |
Line 727 roff_parseln(struct roff *r, int ln, char **bufp, |
|
Line 762 roff_parseln(struct roff *r, int ln, char **bufp, |
|
if (r->last) { |
if (r->last) { |
t = r->last->tok; |
t = r->last->tok; |
assert(roffs[t].sub); |
assert(roffs[t].sub); |
return((*roffs[t].sub) |
return((*roffs[t].sub)(r, t, bufp, szp, |
(r, t, bufp, szp, |
ln, ppos, pos, offs)); |
ln, ppos, pos, offs)); |
|
} |
} |
|
|
/* |
/* |
Line 738 roff_parseln(struct roff *r, int ln, char **bufp, |
|
Line 772 roff_parseln(struct roff *r, int ln, char **bufp, |
|
* the compilers handle it. |
* the compilers handle it. |
*/ |
*/ |
|
|
if (ROFF_MAX == (t = roff_parse(r, *bufp, &pos))) |
if (ROFF_MAX == (t = roff_parse(r, *bufp, &pos, ln, ppos))) |
return(ROFF_CONT); |
return(ROFF_CONT); |
|
|
assert(roffs[t].proc); |
assert(roffs[t].proc); |
return((*roffs[t].proc) |
return((*roffs[t].proc)(r, t, bufp, szp, ln, ppos, pos, offs)); |
(r, t, bufp, szp, |
|
ln, ppos, pos, offs)); |
|
} |
} |
|
|
|
|
void |
void |
roff_endparse(struct roff *r) |
roff_endparse(struct roff *r) |
{ |
{ |
|
|
if (r->last) |
if (r->last) |
mandoc_msg(MANDOCERR_SCOPEEXIT, r->parse, |
mandoc_msg(MANDOCERR_SCOPEEXIT, r->parse, |
r->last->line, r->last->col, NULL); |
r->last->line, r->last->col, NULL); |
|
|
if (r->eqn) { |
if (r->eqn) { |
mandoc_msg(MANDOCERR_SCOPEEXIT, r->parse, |
mandoc_msg(MANDOCERR_SCOPEEXIT, r->parse, |
r->eqn->eqn.ln, r->eqn->eqn.pos, NULL); |
r->eqn->eqn.ln, r->eqn->eqn.pos, NULL); |
eqn_end(&r->eqn); |
eqn_end(&r->eqn); |
} |
} |
|
|
if (r->tbl) { |
if (r->tbl) { |
mandoc_msg(MANDOCERR_SCOPEEXIT, r->parse, |
mandoc_msg(MANDOCERR_SCOPEEXIT, r->parse, |
r->tbl->line, r->tbl->pos, NULL); |
r->tbl->line, r->tbl->pos, NULL); |
tbl_end(&r->tbl); |
tbl_end(&r->tbl); |
} |
} |
} |
} |
Line 774 roff_endparse(struct roff *r) |
|
Line 805 roff_endparse(struct roff *r) |
|
* form of ".foo xxx" in the usual way. |
* form of ".foo xxx" in the usual way. |
*/ |
*/ |
static enum rofft |
static enum rofft |
roff_parse(struct roff *r, const char *buf, int *pos) |
roff_parse(struct roff *r, char *buf, int *pos, int ln, int ppos) |
{ |
{ |
|
char *cp; |
const char *mac; |
const char *mac; |
size_t maclen; |
size_t maclen; |
enum rofft t; |
enum rofft t; |
|
|
if ('\0' == buf[*pos] || '"' == buf[*pos] || |
cp = buf + *pos; |
'\t' == buf[*pos] || ' ' == buf[*pos]) |
|
|
if ('\0' == *cp || '"' == *cp || '\t' == *cp || ' ' == *cp) |
return(ROFF_MAX); |
return(ROFF_MAX); |
|
|
/* We stop the macro parse at an escape, tab, space, or nil. */ |
mac = cp; |
|
maclen = roff_getname(r, &cp, ln, ppos); |
|
|
mac = buf + *pos; |
|
maclen = strcspn(mac, " \\\t\0"); |
|
|
|
t = (r->current_string = roff_getstrn(r, mac, maclen)) |
t = (r->current_string = roff_getstrn(r, mac, maclen)) |
? ROFF_USERDEF : roffhash_find(mac, maclen); |
? ROFF_USERDEF : roffhash_find(mac, maclen); |
|
|
*pos += (int)maclen; |
if (ROFF_MAX != t) |
|
*pos = cp - buf; |
|
|
while (buf[*pos] && ' ' == buf[*pos]) |
|
(*pos)++; |
|
|
|
return(t); |
return(t); |
} |
} |
|
|
/* ARGSUSED */ |
|
static enum rofferr |
static enum rofferr |
roff_cblock(ROFF_ARGS) |
roff_cblock(ROFF_ARGS) |
{ |
{ |
Line 816 roff_cblock(ROFF_ARGS) |
|
Line 844 roff_cblock(ROFF_ARGS) |
|
} |
} |
|
|
switch (r->last->tok) { |
switch (r->last->tok) { |
case (ROFF_am): |
case ROFF_am: |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (ROFF_ami): |
case ROFF_ami: |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (ROFF_am1): |
case ROFF_am1: |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (ROFF_de): |
case ROFF_de: |
/* ROFF_de1 is remapped to ROFF_de in roff_block(). */ |
/* ROFF_de1 is remapped to ROFF_de in roff_block(). */ |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (ROFF_dei): |
case ROFF_dei: |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (ROFF_ig): |
case ROFF_ig: |
break; |
break; |
default: |
default: |
mandoc_msg(MANDOCERR_NOSCOPE, r->parse, ln, ppos, NULL); |
mandoc_msg(MANDOCERR_NOSCOPE, r->parse, ln, ppos, NULL); |
Line 835 roff_cblock(ROFF_ARGS) |
|
Line 863 roff_cblock(ROFF_ARGS) |
|
} |
} |
|
|
if ((*bufp)[pos]) |
if ((*bufp)[pos]) |
mandoc_msg(MANDOCERR_ARGSLOST, r->parse, ln, pos, NULL); |
mandoc_vmsg(MANDOCERR_ARG_SKIP, r->parse, ln, pos, |
|
".. %s", *bufp + pos); |
|
|
roffnode_pop(r); |
roffnode_pop(r); |
roffnode_cleanscope(r); |
roffnode_cleanscope(r); |
Line 843 roff_cblock(ROFF_ARGS) |
|
Line 872 roff_cblock(ROFF_ARGS) |
|
|
|
} |
} |
|
|
|
|
static void |
static void |
roffnode_cleanscope(struct roff *r) |
roffnode_cleanscope(struct roff *r) |
{ |
{ |
Line 855 roffnode_cleanscope(struct roff *r) |
|
Line 883 roffnode_cleanscope(struct roff *r) |
|
} |
} |
} |
} |
|
|
|
|
static void |
static void |
roff_ccond(struct roff *r, int ln, int ppos) |
roff_ccond(struct roff *r, int ln, int ppos) |
{ |
{ |
Line 866 roff_ccond(struct roff *r, int ln, int ppos) |
|
Line 893 roff_ccond(struct roff *r, int ln, int ppos) |
|
} |
} |
|
|
switch (r->last->tok) { |
switch (r->last->tok) { |
case (ROFF_el): |
case ROFF_el: |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (ROFF_ie): |
case ROFF_ie: |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (ROFF_if): |
case ROFF_if: |
break; |
break; |
default: |
default: |
mandoc_msg(MANDOCERR_NOSCOPE, r->parse, ln, ppos, NULL); |
mandoc_msg(MANDOCERR_NOSCOPE, r->parse, ln, ppos, NULL); |
Line 887 roff_ccond(struct roff *r, int ln, int ppos) |
|
Line 914 roff_ccond(struct roff *r, int ln, int ppos) |
|
return; |
return; |
} |
} |
|
|
|
|
/* ARGSUSED */ |
|
static enum rofferr |
static enum rofferr |
roff_block(ROFF_ARGS) |
roff_block(ROFF_ARGS) |
{ |
{ |
int sv; |
char *name, *cp; |
size_t sz; |
size_t namesz; |
char *name; |
|
|
|
name = NULL; |
name = cp = *bufp + pos; |
|
namesz = 0; |
|
|
if (ROFF_ig != tok) { |
if (ROFF_ig != tok) { |
if ('\0' == (*bufp)[pos]) { |
if ('\0' == *cp) { |
mandoc_msg(MANDOCERR_NOARGS, r->parse, ln, ppos, NULL); |
mandoc_msg(MANDOCERR_REQ_EMPTY, r->parse, |
|
ln, ppos, roffs[tok].name); |
return(ROFF_IGN); |
return(ROFF_IGN); |
} |
} |
|
|
Line 911 roff_block(ROFF_ARGS) |
|
Line 937 roff_block(ROFF_ARGS) |
|
|
|
if (ROFF_de1 == tok) |
if (ROFF_de1 == tok) |
tok = ROFF_de; |
tok = ROFF_de; |
if (ROFF_de == tok) |
else if (ROFF_de != tok) |
name = *bufp + pos; |
|
else |
|
mandoc_msg(MANDOCERR_REQUEST, r->parse, ln, ppos, |
mandoc_msg(MANDOCERR_REQUEST, r->parse, ln, ppos, |
roffs[tok].name); |
roffs[tok].name); |
|
|
while ((*bufp)[pos] && ! isspace((unsigned char)(*bufp)[pos])) |
namesz = roff_getname(r, &cp, ln, ppos); |
pos++; |
name[namesz] = '\0'; |
|
} else |
|
name = NULL; |
|
|
while (isspace((unsigned char)(*bufp)[pos])) |
|
(*bufp)[pos++] = '\0'; |
|
} |
|
|
|
roffnode_push(r, tok, name, ln, ppos); |
roffnode_push(r, tok, name, ln, ppos); |
|
|
/* |
/* |
Line 932 roff_block(ROFF_ARGS) |
|
Line 954 roff_block(ROFF_ARGS) |
|
* appended from roff_block_text() in multiline mode. |
* appended from roff_block_text() in multiline mode. |
*/ |
*/ |
|
|
if (ROFF_de == tok) |
if (namesz && ROFF_de == tok) |
roff_setstr(r, name, "", 0); |
roff_setstrn(&r->strtab, name, namesz, "", 0, 0); |
|
|
if ('\0' == (*bufp)[pos]) |
if ('\0' == *cp) |
return(ROFF_IGN); |
return(ROFF_IGN); |
|
|
/* If present, process the custom end-of-line marker. */ |
/* If present, process the custom end-of-line marker. */ |
|
|
sv = pos; |
name = cp; |
while ((*bufp)[pos] && ! isspace((unsigned char)(*bufp)[pos])) |
namesz = roff_getname(r, &cp, ln, ppos); |
pos++; |
if (namesz) |
|
r->last->end = mandoc_strndup(name, namesz); |
|
|
/* |
if ('\0' != *cp) |
* Note: groff does NOT like escape characters in the input. |
mandoc_vmsg(MANDOCERR_ARG_EXCESS, r->parse, |
* Instead of detecting this, we're just going to let it fly and |
ln, pos, ".%s ... %s", roffs[tok].name, cp); |
* to hell with it. |
|
*/ |
|
|
|
assert(pos > sv); |
|
sz = (size_t)(pos - sv); |
|
|
|
if (1 == sz && '.' == (*bufp)[sv]) |
|
return(ROFF_IGN); |
|
|
|
r->last->end = mandoc_malloc(sz + 1); |
|
|
|
memcpy(r->last->end, *bufp + sv, sz); |
|
r->last->end[(int)sz] = '\0'; |
|
|
|
if ((*bufp)[pos]) |
|
mandoc_msg(MANDOCERR_ARGSLOST, r->parse, ln, pos, NULL); |
|
|
|
return(ROFF_IGN); |
return(ROFF_IGN); |
} |
} |
|
|
|
|
/* ARGSUSED */ |
|
static enum rofferr |
static enum rofferr |
roff_block_sub(ROFF_ARGS) |
roff_block_sub(ROFF_ARGS) |
{ |
{ |
Line 989 roff_block_sub(ROFF_ARGS) |
|
Line 994 roff_block_sub(ROFF_ARGS) |
|
if ((*bufp)[i] != r->last->end[j]) |
if ((*bufp)[i] != r->last->end[j]) |
break; |
break; |
|
|
if ('\0' == r->last->end[j] && |
if ('\0' == r->last->end[j] && |
('\0' == (*bufp)[i] || |
('\0' == (*bufp)[i] || |
' ' == (*bufp)[i] || |
' ' == (*bufp)[i] || |
'\t' == (*bufp)[i])) { |
'\t' == (*bufp)[i])) { |
roffnode_pop(r); |
roffnode_pop(r); |
roffnode_cleanscope(r); |
roffnode_cleanscope(r); |
|
|
Line 1000 roff_block_sub(ROFF_ARGS) |
|
Line 1005 roff_block_sub(ROFF_ARGS) |
|
i++; |
i++; |
|
|
pos = i; |
pos = i; |
if (ROFF_MAX != roff_parse(r, *bufp, &pos)) |
if (ROFF_MAX != roff_parse(r, *bufp, &pos, ln, ppos)) |
return(ROFF_RERUN); |
return(ROFF_RERUN); |
return(ROFF_IGN); |
return(ROFF_IGN); |
} |
} |
Line 1011 roff_block_sub(ROFF_ARGS) |
|
Line 1016 roff_block_sub(ROFF_ARGS) |
|
* pulling it out of the hashtable. |
* pulling it out of the hashtable. |
*/ |
*/ |
|
|
t = roff_parse(r, *bufp, &pos); |
t = roff_parse(r, *bufp, &pos, ln, ppos); |
|
|
/* |
/* |
* Macros other than block-end are only significant |
* Macros other than block-end are only significant |
Line 1024 roff_block_sub(ROFF_ARGS) |
|
Line 1029 roff_block_sub(ROFF_ARGS) |
|
} |
} |
|
|
assert(roffs[t].proc); |
assert(roffs[t].proc); |
return((*roffs[t].proc)(r, t, bufp, szp, |
return((*roffs[t].proc)(r, t, bufp, szp, ln, ppos, pos, offs)); |
ln, ppos, pos, offs)); |
|
} |
} |
|
|
|
|
/* ARGSUSED */ |
|
static enum rofferr |
static enum rofferr |
roff_block_text(ROFF_ARGS) |
roff_block_text(ROFF_ARGS) |
{ |
{ |
Line 1040 roff_block_text(ROFF_ARGS) |
|
Line 1042 roff_block_text(ROFF_ARGS) |
|
return(ROFF_IGN); |
return(ROFF_IGN); |
} |
} |
|
|
|
|
/* ARGSUSED */ |
|
static enum rofferr |
static enum rofferr |
roff_cond_sub(ROFF_ARGS) |
roff_cond_sub(ROFF_ARGS) |
{ |
{ |
Line 1051 roff_cond_sub(ROFF_ARGS) |
|
Line 1051 roff_cond_sub(ROFF_ARGS) |
|
|
|
rr = r->last->rule; |
rr = r->last->rule; |
roffnode_cleanscope(r); |
roffnode_cleanscope(r); |
t = roff_parse(r, *bufp, &pos); |
t = roff_parse(r, *bufp, &pos, ln, ppos); |
|
|
/* |
/* |
* Fully handle known macros when they are structurally |
* Fully handle known macros when they are structurally |
Line 1062 roff_cond_sub(ROFF_ARGS) |
|
Line 1062 roff_cond_sub(ROFF_ARGS) |
|
(rr || ROFFMAC_STRUCT & roffs[t].flags)) { |
(rr || ROFFMAC_STRUCT & roffs[t].flags)) { |
assert(roffs[t].proc); |
assert(roffs[t].proc); |
return((*roffs[t].proc)(r, t, bufp, szp, |
return((*roffs[t].proc)(r, t, bufp, szp, |
ln, ppos, pos, offs)); |
ln, ppos, pos, offs)); |
} |
} |
|
|
/* |
/* |
Line 1086 roff_cond_sub(ROFF_ARGS) |
|
Line 1086 roff_cond_sub(ROFF_ARGS) |
|
return(rr ? ROFF_CONT : ROFF_IGN); |
return(rr ? ROFF_CONT : ROFF_IGN); |
} |
} |
|
|
/* ARGSUSED */ |
|
static enum rofferr |
static enum rofferr |
roff_cond_text(ROFF_ARGS) |
roff_cond_text(ROFF_ARGS) |
{ |
{ |
Line 1107 roff_cond_text(ROFF_ARGS) |
|
Line 1106 roff_cond_text(ROFF_ARGS) |
|
return(rr ? ROFF_CONT : ROFF_IGN); |
return(rr ? ROFF_CONT : ROFF_IGN); |
} |
} |
|
|
|
/* |
|
* Parse a single signed integer number. Stop at the first non-digit. |
|
* If there is at least one digit, return success and advance the |
|
* parse point, else return failure and let the parse point unchanged. |
|
* Ignore overflows, treat them just like the C language. |
|
*/ |
static int |
static int |
roff_getnum(const char *v, int *pos, int *res) |
roff_getnum(const char *v, int *pos, int *res) |
{ |
{ |
int p, n; |
int myres, n, p; |
|
|
|
if (NULL == res) |
|
res = &myres; |
|
|
p = *pos; |
p = *pos; |
n = v[p] == '-'; |
n = v[p] == '-'; |
if (n) |
if (n) |
p++; |
p++; |
|
|
for (*res = 0; isdigit((unsigned char)v[p]); p++) |
for (*res = 0; isdigit((unsigned char)v[p]); p++) |
*res += 10 * *res + v[p] - '0'; |
*res = 10 * *res + v[p] - '0'; |
if (p == *pos + n) |
if (p == *pos + n) |
return 0; |
return 0; |
|
|
Line 1129 roff_getnum(const char *v, int *pos, int *res) |
|
Line 1137 roff_getnum(const char *v, int *pos, int *res) |
|
return 1; |
return 1; |
} |
} |
|
|
static int |
|
roff_getop(const char *v, int *pos, char *res) |
|
{ |
|
int e; |
|
|
|
*res = v[*pos]; |
|
e = v[*pos + 1] == '='; |
|
|
|
switch (*res) { |
|
case '=': |
|
break; |
|
case '>': |
|
if (e) |
|
*res = 'g'; |
|
break; |
|
case '<': |
|
if (e) |
|
*res = 'l'; |
|
break; |
|
default: |
|
return(0); |
|
} |
|
|
|
*pos += 1 + e; |
|
|
|
return(*res); |
|
} |
|
|
|
/* |
/* |
* Evaluate a string comparison condition. |
* Evaluate a string comparison condition. |
* The first character is the delimiter. |
* The first character is the delimiter. |
|
|
return(match); |
return(match); |
} |
} |
|
|
|
/* |
|
* Evaluate an optionally negated single character, numerical, |
|
* or string condition. |
|
*/ |
static int |
static int |
roff_evalcond(const char *v, int *pos) |
roff_evalcond(const char *v, int *pos) |
{ |
{ |
int wanttrue, lh, rh; |
int wanttrue, number; |
char op; |
|
|
|
if ('!' == v[*pos]) { |
if ('!' == v[*pos]) { |
wanttrue = 0; |
wanttrue = 0; |
Line 1213 roff_evalcond(const char *v, int *pos) |
|
Line 1196 roff_evalcond(const char *v, int *pos) |
|
wanttrue = 1; |
wanttrue = 1; |
|
|
switch (v[*pos]) { |
switch (v[*pos]) { |
case ('n'): |
case 'n': |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case ('o'): |
case 'o': |
(*pos)++; |
(*pos)++; |
return(wanttrue); |
return(wanttrue); |
case ('c'): |
case 'c': |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case ('d'): |
case 'd': |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case ('e'): |
case 'e': |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case ('r'): |
case 'r': |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case ('t'): |
case 't': |
(*pos)++; |
(*pos)++; |
return(!wanttrue); |
return(!wanttrue); |
default: |
default: |
break; |
break; |
} |
} |
|
|
if (!roff_getnum(v, pos, &lh)) |
if (roff_evalnum(v, pos, &number, 0)) |
|
return((number > 0) == wanttrue); |
|
else |
return(roff_evalstrcond(v, pos) == wanttrue); |
return(roff_evalstrcond(v, pos) == wanttrue); |
if (!roff_getop(v, pos, &op)) |
|
return((lh > 0) == wanttrue); |
|
if (!roff_getnum(v, pos, &rh)) |
|
return(0); |
|
|
|
switch (op) { |
|
case 'g': |
|
return((lh >= rh) == wanttrue); |
|
case 'l': |
|
return((lh <= rh) == wanttrue); |
|
case '=': |
|
return((lh == rh) == wanttrue); |
|
case '>': |
|
return((lh > rh) == wanttrue); |
|
case '<': |
|
return((lh < rh) == wanttrue); |
|
default: |
|
return(0); |
|
} |
|
} |
} |
|
|
/* ARGSUSED */ |
|
static enum rofferr |
static enum rofferr |
roff_line_ignore(ROFF_ARGS) |
roff_line_ignore(ROFF_ARGS) |
{ |
{ |
Line 1264 roff_line_ignore(ROFF_ARGS) |
|
Line 1229 roff_line_ignore(ROFF_ARGS) |
|
return(ROFF_IGN); |
return(ROFF_IGN); |
} |
} |
|
|
/* ARGSUSED */ |
|
static enum rofferr |
static enum rofferr |
roff_cond(ROFF_ARGS) |
roff_cond(ROFF_ARGS) |
{ |
{ |
|
|
roffnode_push(r, tok, NULL, ln, ppos); |
roffnode_push(r, tok, NULL, ln, ppos); |
|
|
/* |
/* |
* An `.el' has no conditional body: it will consume the value |
* An `.el' has no conditional body: it will consume the value |
* of the current rstack entry set in prior `ie' calls or |
* of the current rstack entry set in prior `ie' calls or |
* defaults to DENY. |
* defaults to DENY. |
* |
* |
* If we're not an `el', however, then evaluate the conditional. |
* If we're not an `el', however, then evaluate the conditional. |
*/ |
*/ |
|
|
r->last->rule = ROFF_el == tok ? |
r->last->rule = ROFF_el == tok ? |
(r->rstackpos < 0 ? 0 : r->rstack[r->rstackpos--]) : |
(r->rstackpos < 0 ? 0 : r->rstack[r->rstackpos--]) : |
roff_evalcond(*bufp, &pos); |
roff_evalcond(*bufp, &pos); |
|
|
/* |
/* |
* An if-else will put the NEGATION of the current evaluated |
* An if-else will put the NEGATION of the current evaluated |
Line 1290 roff_cond(ROFF_ARGS) |
|
Line 1254 roff_cond(ROFF_ARGS) |
|
|
|
if (ROFF_ie == tok) { |
if (ROFF_ie == tok) { |
if (r->rstackpos == RSTACK_MAX - 1) { |
if (r->rstackpos == RSTACK_MAX - 1) { |
mandoc_msg(MANDOCERR_MEM, |
mandoc_msg(MANDOCERR_MEM, |
r->parse, ln, ppos, NULL); |
r->parse, ln, ppos, NULL); |
return(ROFF_ERR); |
return(ROFF_ERR); |
} |
} |
r->rstack[++r->rstackpos] = !r->last->rule; |
r->rstack[++r->rstackpos] = !r->last->rule; |
Line 1322 roff_cond(ROFF_ARGS) |
|
Line 1286 roff_cond(ROFF_ARGS) |
|
r->last->endspan = -1; |
r->last->endspan = -1; |
pos += 2; |
pos += 2; |
goto out; |
goto out; |
} |
} |
|
|
/* |
/* |
* Anything else following the conditional causes |
* Anything else following the conditional causes |
Line 1331 roff_cond(ROFF_ARGS) |
|
Line 1295 roff_cond(ROFF_ARGS) |
|
*/ |
*/ |
|
|
if ('\0' == (*bufp)[pos]) |
if ('\0' == (*bufp)[pos]) |
mandoc_msg(MANDOCERR_NOARGS, r->parse, ln, ppos, NULL); |
mandoc_msg(MANDOCERR_COND_EMPTY, r->parse, |
|
ln, ppos, roffs[tok].name); |
|
|
r->last->endspan = 1; |
r->last->endspan = 1; |
|
|
|
|
return(ROFF_RERUN); |
return(ROFF_RERUN); |
} |
} |
|
|
|
|
/* ARGSUSED */ |
|
static enum rofferr |
static enum rofferr |
roff_ds(ROFF_ARGS) |
roff_ds(ROFF_ARGS) |
{ |
{ |
char *name, *string; |
char *string; |
|
const char *name; |
|
size_t namesz; |
|
|
/* |
/* |
* A symbol is named by the first word following the macro |
* The first word is the name of the string. |
* invocation up to a space. Its value is anything after the |
* If it is empty or terminated by an escape sequence, |
* name's trailing whitespace and optional double-quote. Thus, |
* abort the `ds' request without defining anything. |
* |
|
* [.ds foo "bar " ] |
|
* |
|
* will have `bar " ' as its value. |
|
*/ |
*/ |
|
|
string = *bufp + pos; |
name = string = *bufp + pos; |
name = roff_getname(r, &string, ln, pos); |
|
if ('\0' == *name) |
if ('\0' == *name) |
return(ROFF_IGN); |
return(ROFF_IGN); |
|
|
/* Read past initial double-quote. */ |
namesz = roff_getname(r, &string, ln, pos); |
|
if ('\\' == name[namesz]) |
|
return(ROFF_IGN); |
|
|
|
/* Read past the initial double-quote, if any. */ |
if ('"' == *string) |
if ('"' == *string) |
string++; |
string++; |
|
|
/* The rest is the value. */ |
/* The rest is the value. */ |
roff_setstr(r, name, string, ROFF_as == tok); |
roff_setstrn(&r->strtab, name, namesz, string, strlen(string), |
|
ROFF_as == tok); |
return(ROFF_IGN); |
return(ROFF_IGN); |
} |
} |
|
|
|
/* |
|
* Parse a single operator, one or two characters long. |
|
* If the operator is recognized, return success and advance the |
|
* parse point, else return failure and let the parse point unchanged. |
|
*/ |
|
static int |
|
roff_getop(const char *v, int *pos, char *res) |
|
{ |
|
|
|
*res = v[*pos]; |
|
|
|
switch (*res) { |
|
case '+': |
|
/* FALLTHROUGH */ |
|
case '-': |
|
/* FALLTHROUGH */ |
|
case '*': |
|
/* FALLTHROUGH */ |
|
case '/': |
|
/* FALLTHROUGH */ |
|
case '%': |
|
/* FALLTHROUGH */ |
|
case '&': |
|
/* FALLTHROUGH */ |
|
case ':': |
|
break; |
|
case '<': |
|
switch (v[*pos + 1]) { |
|
case '=': |
|
*res = 'l'; |
|
(*pos)++; |
|
break; |
|
case '>': |
|
*res = '!'; |
|
(*pos)++; |
|
break; |
|
case '?': |
|
*res = 'i'; |
|
(*pos)++; |
|
break; |
|
default: |
|
break; |
|
} |
|
break; |
|
case '>': |
|
switch (v[*pos + 1]) { |
|
case '=': |
|
*res = 'g'; |
|
(*pos)++; |
|
break; |
|
case '?': |
|
*res = 'a'; |
|
(*pos)++; |
|
break; |
|
default: |
|
break; |
|
} |
|
break; |
|
case '=': |
|
if ('=' == v[*pos + 1]) |
|
(*pos)++; |
|
break; |
|
default: |
|
return(0); |
|
} |
|
(*pos)++; |
|
|
|
return(*res); |
|
} |
|
|
|
/* |
|
* Evaluate either a parenthesized numeric expression |
|
* or a single signed integer number. |
|
*/ |
|
static int |
|
roff_evalpar(const char *v, int *pos, int *res) |
|
{ |
|
|
|
if ('(' != v[*pos]) |
|
return(roff_getnum(v, pos, res)); |
|
|
|
(*pos)++; |
|
if ( ! roff_evalnum(v, pos, res, 1)) |
|
return(0); |
|
|
|
/* |
|
* Omission of the closing parenthesis |
|
* is an error in validation mode, |
|
* but ignored in evaluation mode. |
|
*/ |
|
|
|
if (')' == v[*pos]) |
|
(*pos)++; |
|
else if (NULL == res) |
|
return(0); |
|
|
|
return(1); |
|
} |
|
|
|
/* |
|
* Evaluate a complete numeric expression. |
|
* Proceed left to right, there is no concept of precedence. |
|
*/ |
|
static int |
|
roff_evalnum(const char *v, int *pos, int *res, int skipwhite) |
|
{ |
|
int mypos, operand2; |
|
char operator; |
|
|
|
if (NULL == pos) { |
|
mypos = 0; |
|
pos = &mypos; |
|
} |
|
|
|
if (skipwhite) |
|
while (isspace((unsigned char)v[*pos])) |
|
(*pos)++; |
|
|
|
if ( ! roff_evalpar(v, pos, res)) |
|
return(0); |
|
|
|
while (1) { |
|
if (skipwhite) |
|
while (isspace((unsigned char)v[*pos])) |
|
(*pos)++; |
|
|
|
if ( ! roff_getop(v, pos, &operator)) |
|
break; |
|
|
|
if (skipwhite) |
|
while (isspace((unsigned char)v[*pos])) |
|
(*pos)++; |
|
|
|
if ( ! roff_evalpar(v, pos, &operand2)) |
|
return(0); |
|
|
|
if (skipwhite) |
|
while (isspace((unsigned char)v[*pos])) |
|
(*pos)++; |
|
|
|
if (NULL == res) |
|
continue; |
|
|
|
switch (operator) { |
|
case '+': |
|
*res += operand2; |
|
break; |
|
case '-': |
|
*res -= operand2; |
|
break; |
|
case '*': |
|
*res *= operand2; |
|
break; |
|
case '/': |
|
*res /= operand2; |
|
break; |
|
case '%': |
|
*res %= operand2; |
|
break; |
|
case '<': |
|
*res = *res < operand2; |
|
break; |
|
case '>': |
|
*res = *res > operand2; |
|
break; |
|
case 'l': |
|
*res = *res <= operand2; |
|
break; |
|
case 'g': |
|
*res = *res >= operand2; |
|
break; |
|
case '=': |
|
*res = *res == operand2; |
|
break; |
|
case '!': |
|
*res = *res != operand2; |
|
break; |
|
case '&': |
|
*res = *res && operand2; |
|
break; |
|
case ':': |
|
*res = *res || operand2; |
|
break; |
|
case 'i': |
|
if (operand2 < *res) |
|
*res = operand2; |
|
break; |
|
case 'a': |
|
if (operand2 > *res) |
|
*res = operand2; |
|
break; |
|
default: |
|
abort(); |
|
} |
|
} |
|
return(1); |
|
} |
|
|
void |
void |
roff_setreg(struct roff *r, const char *name, int val, char sign) |
roff_setreg(struct roff *r, const char *name, int val, char sign) |
{ |
{ |
Line 1411 roff_getregro(const char *name) |
|
Line 1574 roff_getregro(const char *name) |
|
{ |
{ |
|
|
switch (*name) { |
switch (*name) { |
case ('A'): /* ASCII approximation mode is always off. */ |
case 'A': /* ASCII approximation mode is always off. */ |
return(0); |
return(0); |
case ('g'): /* Groff compatibility mode is always on. */ |
case 'g': /* Groff compatibility mode is always on. */ |
return(1); |
return(1); |
case ('H'): /* Fixed horizontal resolution. */ |
case 'H': /* Fixed horizontal resolution. */ |
return (24); |
return (24); |
case ('j'): /* Always adjust left margin only. */ |
case 'j': /* Always adjust left margin only. */ |
return(0); |
return(0); |
case ('T'): /* Some output device is always defined. */ |
case 'T': /* Some output device is always defined. */ |
return(1); |
return(1); |
case ('V'): /* Fixed vertical resolution. */ |
case 'V': /* Fixed vertical resolution. */ |
return (40); |
return (40); |
default: |
default: |
return (-1); |
return (-1); |
Line 1480 roff_freereg(struct roffreg *reg) |
|
Line 1643 roff_freereg(struct roffreg *reg) |
|
} |
} |
} |
} |
|
|
/* ARGSUSED */ |
|
static enum rofferr |
static enum rofferr |
roff_nr(ROFF_ARGS) |
roff_nr(ROFF_ARGS) |
{ |
{ |
const char *key; |
char *key, *val; |
char *val; |
size_t keysz; |
size_t sz; |
|
int iv; |
int iv; |
char sign; |
char sign; |
|
|
val = *bufp + pos; |
key = val = *bufp + pos; |
key = roff_getname(r, &val, ln, pos); |
if ('\0' == *key) |
|
return(ROFF_IGN); |
|
|
|
keysz = roff_getname(r, &val, ln, pos); |
|
if ('\\' == key[keysz]) |
|
return(ROFF_IGN); |
|
key[keysz] = '\0'; |
|
|
sign = *val; |
sign = *val; |
if ('+' == sign || '-' == sign) |
if ('+' == sign || '-' == sign) |
val++; |
val++; |
|
|
sz = strspn(val, "0123456789"); |
if (roff_evalnum(val, NULL, &iv, 0)) |
iv = sz ? mandoc_strntoi(val, sz, 10) : 0; |
roff_setreg(r, key, iv, sign); |
|
|
roff_setreg(r, key, iv, sign); |
return(ROFF_IGN); |
|
} |
|
|
|
static enum rofferr |
|
roff_rr(ROFF_ARGS) |
|
{ |
|
struct roffreg *reg, **prev; |
|
char *name, *cp; |
|
size_t namesz; |
|
|
|
name = cp = *bufp + pos; |
|
if ('\0' == *name) |
|
return(ROFF_IGN); |
|
namesz = roff_getname(r, &cp, ln, pos); |
|
name[namesz] = '\0'; |
|
|
|
prev = &r->regtab; |
|
while (1) { |
|
reg = *prev; |
|
if (NULL == reg || !strcmp(name, reg->key.p)) |
|
break; |
|
prev = ®->next; |
|
} |
|
if (NULL != reg) { |
|
*prev = reg->next; |
|
free(reg->key.p); |
|
free(reg); |
|
} |
return(ROFF_IGN); |
return(ROFF_IGN); |
} |
} |
|
|
/* ARGSUSED */ |
|
static enum rofferr |
static enum rofferr |
roff_rm(ROFF_ARGS) |
roff_rm(ROFF_ARGS) |
{ |
{ |
const char *name; |
const char *name; |
char *cp; |
char *cp; |
|
size_t namesz; |
|
|
cp = *bufp + pos; |
cp = *bufp + pos; |
while ('\0' != *cp) { |
while ('\0' != *cp) { |
name = roff_getname(r, &cp, ln, (int)(cp - *bufp)); |
name = cp; |
if ('\0' != *name) |
namesz = roff_getname(r, &cp, ln, (int)(cp - *bufp)); |
roff_setstr(r, name, NULL, 0); |
roff_setstrn(&r->strtab, name, namesz, NULL, 0, 0); |
|
if ('\\' == name[namesz]) |
|
break; |
} |
} |
return(ROFF_IGN); |
return(ROFF_IGN); |
} |
} |
|
|
/* ARGSUSED */ |
|
static enum rofferr |
static enum rofferr |
roff_it(ROFF_ARGS) |
roff_it(ROFF_ARGS) |
{ |
{ |
Line 1535 roff_it(ROFF_ARGS) |
|
Line 1729 roff_it(ROFF_ARGS) |
|
cp[len] = '\0'; |
cp[len] = '\0'; |
if ((iv = mandoc_strntoi(cp, len, 10)) <= 0) { |
if ((iv = mandoc_strntoi(cp, len, 10)) <= 0) { |
mandoc_msg(MANDOCERR_NUMERIC, r->parse, |
mandoc_msg(MANDOCERR_NUMERIC, r->parse, |
ln, ppos, *bufp + 1); |
ln, ppos, *bufp + 1); |
return(ROFF_IGN); |
return(ROFF_IGN); |
} |
} |
cp += len + 1; |
cp += len + 1; |
Line 1546 roff_it(ROFF_ARGS) |
|
Line 1740 roff_it(ROFF_ARGS) |
|
return(ROFF_IGN); |
return(ROFF_IGN); |
} |
} |
|
|
/* ARGSUSED */ |
|
static enum rofferr |
static enum rofferr |
roff_Dd(ROFF_ARGS) |
roff_Dd(ROFF_ARGS) |
{ |
{ |
const char *const *cp; |
const char *const *cp; |
|
|
if (0 == r->quick && MPARSE_MDOC != r->parsetype) |
if (0 == ((MPARSE_MDOC | MPARSE_QUICK) & r->options)) |
for (cp = __mdoc_reserved; *cp; cp++) |
for (cp = __mdoc_reserved; *cp; cp++) |
roff_setstr(r, *cp, NULL, 0); |
roff_setstr(r, *cp, NULL, 0); |
|
|
return(ROFF_CONT); |
return(ROFF_CONT); |
} |
} |
|
|
/* ARGSUSED */ |
|
static enum rofferr |
static enum rofferr |
roff_TH(ROFF_ARGS) |
roff_TH(ROFF_ARGS) |
{ |
{ |
const char *const *cp; |
const char *const *cp; |
|
|
if (0 == r->quick && MPARSE_MDOC != r->parsetype) |
if (0 == (MPARSE_QUICK & r->options)) |
for (cp = __man_reserved; *cp; cp++) |
for (cp = __man_reserved; *cp; cp++) |
roff_setstr(r, *cp, NULL, 0); |
roff_setstr(r, *cp, NULL, 0); |
|
|
return(ROFF_CONT); |
return(ROFF_CONT); |
} |
} |
|
|
/* ARGSUSED */ |
|
static enum rofferr |
static enum rofferr |
roff_TE(ROFF_ARGS) |
roff_TE(ROFF_ARGS) |
{ |
{ |
Line 1585 roff_TE(ROFF_ARGS) |
|
Line 1776 roff_TE(ROFF_ARGS) |
|
return(ROFF_IGN); |
return(ROFF_IGN); |
} |
} |
|
|
/* ARGSUSED */ |
|
static enum rofferr |
static enum rofferr |
roff_T_(ROFF_ARGS) |
roff_T_(ROFF_ARGS) |
{ |
{ |
Line 1608 roff_closeeqn(struct roff *r) |
|
Line 1798 roff_closeeqn(struct roff *r) |
|
#endif |
#endif |
|
|
static void |
static void |
roff_openeqn(struct roff *r, const char *name, int line, |
roff_openeqn(struct roff *r, const char *name, int line, |
int offs, const char *buf) |
int offs, const char *buf) |
{ |
{ |
struct eqn_node *e; |
struct eqn_node *e; |
Line 1630 roff_openeqn(struct roff *r, const char *name, int lin |
|
Line 1820 roff_openeqn(struct roff *r, const char *name, int lin |
|
} |
} |
} |
} |
|
|
/* ARGSUSED */ |
|
static enum rofferr |
static enum rofferr |
roff_EQ(ROFF_ARGS) |
roff_EQ(ROFF_ARGS) |
{ |
{ |
Line 1639 roff_EQ(ROFF_ARGS) |
|
Line 1828 roff_EQ(ROFF_ARGS) |
|
return(ROFF_IGN); |
return(ROFF_IGN); |
} |
} |
|
|
/* ARGSUSED */ |
|
static enum rofferr |
static enum rofferr |
roff_EN(ROFF_ARGS) |
roff_EN(ROFF_ARGS) |
{ |
{ |
Line 1648 roff_EN(ROFF_ARGS) |
|
Line 1836 roff_EN(ROFF_ARGS) |
|
return(ROFF_IGN); |
return(ROFF_IGN); |
} |
} |
|
|
/* ARGSUSED */ |
|
static enum rofferr |
static enum rofferr |
roff_TS(ROFF_ARGS) |
roff_TS(ROFF_ARGS) |
{ |
{ |
Line 1670 roff_TS(ROFF_ARGS) |
|
Line 1857 roff_TS(ROFF_ARGS) |
|
return(ROFF_IGN); |
return(ROFF_IGN); |
} |
} |
|
|
/* ARGSUSED */ |
|
static enum rofferr |
static enum rofferr |
roff_cc(ROFF_ARGS) |
roff_cc(ROFF_ARGS) |
{ |
{ |
Line 1687 roff_cc(ROFF_ARGS) |
|
Line 1873 roff_cc(ROFF_ARGS) |
|
return(ROFF_IGN); |
return(ROFF_IGN); |
} |
} |
|
|
/* ARGSUSED */ |
|
static enum rofferr |
static enum rofferr |
roff_tr(ROFF_ARGS) |
roff_tr(ROFF_ARGS) |
{ |
{ |
Line 1709 roff_tr(ROFF_ARGS) |
|
Line 1894 roff_tr(ROFF_ARGS) |
|
if ('\\' == *first) { |
if ('\\' == *first) { |
esc = mandoc_escape(&p, NULL, NULL); |
esc = mandoc_escape(&p, NULL, NULL); |
if (ESCAPE_ERROR == esc) { |
if (ESCAPE_ERROR == esc) { |
mandoc_msg |
mandoc_msg(MANDOCERR_BADESCAPE, |
(MANDOCERR_BADESCAPE, r->parse, |
r->parse, ln, |
ln, (int)(p - *bufp), NULL); |
(int)(p - *bufp), NULL); |
return(ROFF_IGN); |
return(ROFF_IGN); |
} |
} |
fsz = (size_t)(p - first); |
fsz = (size_t)(p - first); |
Line 1721 roff_tr(ROFF_ARGS) |
|
Line 1906 roff_tr(ROFF_ARGS) |
|
if ('\\' == *second) { |
if ('\\' == *second) { |
esc = mandoc_escape(&p, NULL, NULL); |
esc = mandoc_escape(&p, NULL, NULL); |
if (ESCAPE_ERROR == esc) { |
if (ESCAPE_ERROR == esc) { |
mandoc_msg |
mandoc_msg(MANDOCERR_BADESCAPE, |
(MANDOCERR_BADESCAPE, r->parse, |
r->parse, ln, |
ln, (int)(p - *bufp), NULL); |
(int)(p - *bufp), NULL); |
return(ROFF_IGN); |
return(ROFF_IGN); |
} |
} |
ssz = (size_t)(p - second); |
ssz = (size_t)(p - second); |
} else if ('\0' == *second) { |
} else if ('\0' == *second) { |
mandoc_msg(MANDOCERR_ARGCOUNT, r->parse, |
mandoc_msg(MANDOCERR_ARGCOUNT, r->parse, |
ln, (int)(p - *bufp), NULL); |
ln, (int)(p - *bufp), NULL); |
second = " "; |
second = " "; |
p--; |
p--; |
} |
} |
|
|
if (fsz > 1) { |
if (fsz > 1) { |
roff_setstrn(&r->xmbtab, first, |
roff_setstrn(&r->xmbtab, first, fsz, |
fsz, second, ssz, 0); |
second, ssz, 0); |
continue; |
continue; |
} |
} |
|
|
if (NULL == r->xtab) |
if (NULL == r->xtab) |
r->xtab = mandoc_calloc |
r->xtab = mandoc_calloc(128, |
(128, sizeof(struct roffstr)); |
sizeof(struct roffstr)); |
|
|
free(r->xtab[(int)*first].p); |
free(r->xtab[(int)*first].p); |
r->xtab[(int)*first].p = mandoc_strndup(second, ssz); |
r->xtab[(int)*first].p = mandoc_strndup(second, ssz); |
Line 1752 roff_tr(ROFF_ARGS) |
|
Line 1937 roff_tr(ROFF_ARGS) |
|
return(ROFF_IGN); |
return(ROFF_IGN); |
} |
} |
|
|
/* ARGSUSED */ |
|
static enum rofferr |
static enum rofferr |
roff_so(ROFF_ARGS) |
roff_so(ROFF_ARGS) |
{ |
{ |
char *name; |
char *name; |
|
|
mandoc_msg(MANDOCERR_SO, r->parse, ln, ppos, NULL); |
name = *bufp + pos; |
|
mandoc_vmsg(MANDOCERR_SO, r->parse, ln, ppos, ".so %s", name); |
|
|
/* |
/* |
* Handle `so'. Be EXTREMELY careful, as we shouldn't be |
* Handle `so'. Be EXTREMELY careful, as we shouldn't be |
Line 1767 roff_so(ROFF_ARGS) |
|
Line 1952 roff_so(ROFF_ARGS) |
|
* or using absolute paths. |
* or using absolute paths. |
*/ |
*/ |
|
|
name = *bufp + pos; |
|
if ('/' == *name || strstr(name, "../") || strstr(name, "/..")) { |
if ('/' == *name || strstr(name, "../") || strstr(name, "/..")) { |
mandoc_msg(MANDOCERR_SOPATH, r->parse, ln, pos, NULL); |
mandoc_vmsg(MANDOCERR_SO_PATH, r->parse, ln, ppos, |
|
".so %s", name); |
return(ROFF_ERR); |
return(ROFF_ERR); |
} |
} |
|
|
Line 1777 roff_so(ROFF_ARGS) |
|
Line 1962 roff_so(ROFF_ARGS) |
|
return(ROFF_SO); |
return(ROFF_SO); |
} |
} |
|
|
/* ARGSUSED */ |
|
static enum rofferr |
static enum rofferr |
roff_userdef(ROFF_ARGS) |
roff_userdef(ROFF_ARGS) |
{ |
{ |
Line 1806 roff_userdef(ROFF_ARGS) |
|
Line 1990 roff_userdef(ROFF_ARGS) |
|
cp += 2; |
cp += 2; |
continue; |
continue; |
} |
} |
|
*cp = '\0'; |
*szp = strlen(n1) - 3 + strlen(arg[i]) + 1; |
*szp = mandoc_asprintf(&n2, "%s%s%s", |
n2 = mandoc_malloc(*szp); |
n1, arg[i], cp + 3) + 1; |
|
|
strlcpy(n2, n1, (size_t)(cp - n1 + 1)); |
|
strlcat(n2, arg[i], *szp); |
|
strlcat(n2, cp + 3, *szp); |
|
|
|
cp = n2 + (cp - n1); |
cp = n2 + (cp - n1); |
free(n1); |
free(n1); |
n1 = n2; |
n1 = n2; |
Line 1832 roff_userdef(ROFF_ARGS) |
|
Line 2011 roff_userdef(ROFF_ARGS) |
|
ROFF_REPARSE : ROFF_APPEND); |
ROFF_REPARSE : ROFF_APPEND); |
} |
} |
|
|
static char * |
static size_t |
roff_getname(struct roff *r, char **cpp, int ln, int pos) |
roff_getname(struct roff *r, char **cpp, int ln, int pos) |
{ |
{ |
char *name, *cp; |
char *name, *cp; |
|
size_t namesz; |
|
|
name = *cpp; |
name = *cpp; |
if ('\0' == *name) |
if ('\0' == *name) |
return(name); |
return(0); |
|
|
/* Read until end of name. */ |
/* Read until end of name and terminate it with NUL. */ |
for (cp = name; '\0' != *cp && ' ' != *cp; cp++) { |
for (cp = name; 1; cp++) { |
|
if ('\0' == *cp || ' ' == *cp) { |
|
namesz = cp - name; |
|
break; |
|
} |
if ('\\' != *cp) |
if ('\\' != *cp) |
continue; |
continue; |
|
namesz = cp - name; |
|
if ('{' == cp[1] || '}' == cp[1]) |
|
break; |
cp++; |
cp++; |
if ('\\' == *cp) |
if ('\\' == *cp) |
continue; |
continue; |
mandoc_msg(MANDOCERR_NAMESC, r->parse, ln, pos, NULL); |
mandoc_msg(MANDOCERR_NAMESC, r->parse, ln, pos, NULL); |
*cp = '\0'; |
mandoc_escape((const char **)&cp, NULL, NULL); |
name = cp; |
break; |
} |
} |
|
|
/* Nil-terminate name. */ |
|
if ('\0' != *cp) |
|
*(cp++) = '\0'; |
|
|
|
/* Read past spaces. */ |
/* Read past spaces. */ |
while (' ' == *cp) |
while (' ' == *cp) |
cp++; |
cp++; |
|
|
*cpp = cp; |
*cpp = cp; |
return(name); |
return(namesz); |
} |
} |
|
|
/* |
/* |
Line 1878 roff_setstr(struct roff *r, const char *name, const ch |
|
Line 2061 roff_setstr(struct roff *r, const char *name, const ch |
|
{ |
{ |
|
|
roff_setstrn(&r->strtab, name, strlen(name), string, |
roff_setstrn(&r->strtab, name, strlen(name), string, |
string ? strlen(string) : 0, append); |
string ? strlen(string) : 0, append); |
} |
} |
|
|
static void |
static void |
Line 1893 roff_setstrn(struct roffkv **r, const char *name, size |
|
Line 2076 roff_setstrn(struct roffkv **r, const char *name, size |
|
/* Search for an existing string with the same name. */ |
/* Search for an existing string with the same name. */ |
n = *r; |
n = *r; |
|
|
while (n && strcmp(name, n->key.p)) |
while (n && (namesz != n->key.sz || |
|
strncmp(n->key.p, name, namesz))) |
n = n->next; |
n = n->next; |
|
|
if (NULL == n) { |
if (NULL == n) { |
Line 1959 roff_getstrn(const struct roff *r, const char *name, s |
|
Line 2143 roff_getstrn(const struct roff *r, const char *name, s |
|
int i; |
int i; |
|
|
for (n = r->strtab; n; n = n->next) |
for (n = r->strtab; n; n = n->next) |
if (0 == strncmp(name, n->key.p, len) && |
if (0 == strncmp(name, n->key.p, len) && |
'\0' == n->key.p[(int)len]) |
'\0' == n->key.p[(int)len]) |
return(n->val.p); |
return(n->val.p); |
|
|
for (i = 0; i < PREDEFS_MAX; i++) |
for (i = 0; i < PREDEFS_MAX; i++) |
Line 1987 roff_freestr(struct roffkv *r) |
|
Line 2171 roff_freestr(struct roffkv *r) |
|
const struct tbl_span * |
const struct tbl_span * |
roff_span(const struct roff *r) |
roff_span(const struct roff *r) |
{ |
{ |
|
|
return(r->tbl ? tbl_span(r->tbl) : NULL); |
return(r->tbl ? tbl_span(r->tbl) : NULL); |
} |
} |
|
|
const struct eqn * |
const struct eqn * |
roff_eqn(const struct roff *r) |
roff_eqn(const struct roff *r) |
{ |
{ |
|
|
return(r->last_eqn ? &r->last_eqn->eqn : NULL); |
return(r->last_eqn ? &r->last_eqn->eqn : NULL); |
} |
} |
|
|
Line 2053 roff_strdup(const struct roff *r, const char *p) |
|
Line 2237 roff_strdup(const struct roff *r, const char *p) |
|
* Append the match to the array and move |
* Append the match to the array and move |
* forward by its keysize. |
* forward by its keysize. |
*/ |
*/ |
res = mandoc_realloc |
res = mandoc_realloc(res, |
(res, ssz + cp->val.sz + 1); |
ssz + cp->val.sz + 1); |
memcpy(res + ssz, cp->val.p, cp->val.sz); |
memcpy(res + ssz, cp->val.p, cp->val.sz); |
ssz += cp->val.sz; |
ssz += cp->val.sz; |
p += (int)cp->key.sz; |
p += (int)cp->key.sz; |
Line 2075 roff_strdup(const struct roff *r, const char *p) |
|
Line 2259 roff_strdup(const struct roff *r, const char *p) |
|
memcpy(res + ssz, pp, sz); |
memcpy(res + ssz, pp, sz); |
break; |
break; |
} |
} |
/* |
/* |
* We bail out on bad escapes. |
* We bail out on bad escapes. |
* No need to warn: we already did so when |
* No need to warn: we already did so when |
* roff_res() was called. |
* roff_res() was called. |
*/ |
*/ |
Line 2091 roff_strdup(const struct roff *r, const char *p) |
|
Line 2275 roff_strdup(const struct roff *r, const char *p) |
|
} |
} |
|
|
/* |
/* |
* Find out whether a line is a macro line or not. |
* Find out whether a line is a macro line or not. |
* If it is, adjust the current position and return one; if it isn't, |
* If it is, adjust the current position and return one; if it isn't, |
* 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 |