version 1.166, 2011/07/29 09:19:48 |
version 1.175, 2012/11/19 17:57:23 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2010, 2011, 2012 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2010, 2011 Ingo Schwarze <schwarze@openbsd.org> |
* Copyright (c) 2010, 2011, 2012 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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/* Maximum number of nested if-else conditionals. */ |
/* Maximum number of nested if-else conditionals. */ |
#define RSTACK_MAX 128 |
#define RSTACK_MAX 128 |
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/* Maximum number of string expansions per line, to break infinite loops. */ |
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#define EXPAND_LIMIT 1000 |
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enum rofft { |
enum rofft { |
ROFF_ad, |
ROFF_ad, |
ROFF_am, |
ROFF_am, |
ROFF_ami, |
ROFF_ami, |
ROFF_am1, |
ROFF_am1, |
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ROFF_cc, |
ROFF_de, |
ROFF_de, |
ROFF_dei, |
ROFF_dei, |
ROFF_de1, |
ROFF_de1, |
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ROFF_so, |
ROFF_so, |
ROFF_ta, |
ROFF_ta, |
ROFF_tr, |
ROFF_tr, |
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ROFF_Dd, |
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ROFF_TH, |
ROFF_TS, |
ROFF_TS, |
ROFF_TE, |
ROFF_TE, |
ROFF_T_, |
ROFF_T_, |
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unsigned int u; /* unsigned integer */ |
unsigned int u; /* unsigned integer */ |
}; |
}; |
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/* |
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* An incredibly-simple string buffer. |
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*/ |
struct roffstr { |
struct roffstr { |
char *p; |
char *p; /* nil-terminated buffer */ |
size_t sz; |
size_t sz; /* saved strlen(p) */ |
}; |
}; |
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/* |
/* |
* A key-value string pair with lengths. |
* A key-value roffstr pair as part of a singly-linked list. |
*/ |
*/ |
struct roffkv { |
struct roffkv { |
struct roffstr key; |
struct roffstr key; |
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}; |
}; |
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struct roff { |
struct roff { |
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enum mparset parsetype; /* requested parse type */ |
struct mparse *parse; /* parse point */ |
struct mparse *parse; /* parse point */ |
struct roffnode *last; /* leaf of stack */ |
struct roffnode *last; /* leaf of stack */ |
enum roffrule rstack[RSTACK_MAX]; /* stack of !`ie' rules */ |
enum roffrule rstack[RSTACK_MAX]; /* stack of !`ie' rules */ |
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char control; /* control character */ |
int rstackpos; /* position in rstack */ |
int rstackpos; /* position in rstack */ |
struct reg regs[REG__MAX]; |
struct reg regs[REG__MAX]; |
struct roffkv *strtab; /* user-defined strings & macros */ |
struct roffkv *strtab; /* user-defined strings & macros */ |
struct roffkv *chrtab; /* user-defined characters */ |
struct roffkv *xmbtab; /* multi-byte trans table (`tr') */ |
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struct roffstr *xtab; /* single-byte trans table (`tr') */ |
const char *current_string; /* value of last called user macro */ |
const char *current_string; /* value of last called user macro */ |
struct tbl_node *first_tbl; /* first table parsed */ |
struct tbl_node *first_tbl; /* first table parsed */ |
struct tbl_node *last_tbl; /* last table parsed */ |
struct tbl_node *last_tbl; /* last table parsed */ |
Line 162 static enum rofferr roff_block(ROFF_ARGS); |
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Line 174 static enum rofferr roff_block(ROFF_ARGS); |
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static enum rofferr roff_block_text(ROFF_ARGS); |
static enum rofferr roff_block_text(ROFF_ARGS); |
static enum rofferr roff_block_sub(ROFF_ARGS); |
static enum rofferr roff_block_sub(ROFF_ARGS); |
static enum rofferr roff_cblock(ROFF_ARGS); |
static enum rofferr roff_cblock(ROFF_ARGS); |
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static enum rofferr roff_cc(ROFF_ARGS); |
static enum rofferr roff_ccond(ROFF_ARGS); |
static enum rofferr roff_ccond(ROFF_ARGS); |
static enum rofferr roff_cond(ROFF_ARGS); |
static enum rofferr roff_cond(ROFF_ARGS); |
static enum rofferr roff_cond_text(ROFF_ARGS); |
static enum rofferr roff_cond_text(ROFF_ARGS); |
Line 169 static enum rofferr roff_cond_sub(ROFF_ARGS); |
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Line 182 static enum rofferr roff_cond_sub(ROFF_ARGS); |
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static enum rofferr roff_ds(ROFF_ARGS); |
static enum rofferr roff_ds(ROFF_ARGS); |
static enum roffrule roff_evalcond(const char *, int *); |
static enum roffrule roff_evalcond(const char *, int *); |
static void roff_free1(struct roff *); |
static void roff_free1(struct roff *); |
static void roff_freestr(struct roffkv **); |
static void roff_freestr(struct roffkv *); |
static char *roff_getname(struct roff *, char **, int, int); |
static char *roff_getname(struct roff *, char **, int, int); |
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_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 *, const char *, int *); |
static enum rofferr roff_parsetext(char *); |
static enum rofferr roff_parsetext(char *); |
static void 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); |
static void roff_setstr(struct roff *, |
static void roff_setstr(struct roff *, |
Line 188 static void roff_setstrn(struct roffkv **, const cha |
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Line 201 static void roff_setstrn(struct roffkv **, const cha |
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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); |
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static enum rofferr roff_Dd(ROFF_ARGS); |
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static enum rofferr roff_TH(ROFF_ARGS); |
static enum rofferr roff_TE(ROFF_ARGS); |
static enum rofferr roff_TE(ROFF_ARGS); |
static enum rofferr roff_TS(ROFF_ARGS); |
static enum rofferr roff_TS(ROFF_ARGS); |
static enum rofferr roff_EQ(ROFF_ARGS); |
static enum rofferr roff_EQ(ROFF_ARGS); |
Line 208 static struct roffmac roffs[ROFF_MAX] = { |
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Line 223 static struct roffmac roffs[ROFF_MAX] = { |
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{ "am", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
{ "am", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
{ "ami", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
{ "ami", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
{ "am1", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
{ "am1", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
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{ "cc", roff_cc, NULL, NULL, 0, NULL }, |
{ "de", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
{ "de", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
{ "dei", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
{ "dei", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
{ "de1", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
{ "de1", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
Line 227 static struct roffmac roffs[ROFF_MAX] = { |
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Line 243 static struct roffmac roffs[ROFF_MAX] = { |
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{ "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 }, |
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{ "Dd", roff_Dd, NULL, NULL, 0, NULL }, |
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{ "TH", roff_TH, NULL, NULL, 0, NULL }, |
{ "TS", roff_TS, NULL, NULL, 0, NULL }, |
{ "TS", roff_TS, NULL, NULL, 0, NULL }, |
{ "TE", roff_TE, NULL, NULL, 0, NULL }, |
{ "TE", roff_TE, NULL, NULL, 0, NULL }, |
{ "T&", roff_T_, NULL, NULL, 0, NULL }, |
{ "T&", roff_T_, NULL, NULL, 0, NULL }, |
Line 237 static struct roffmac roffs[ROFF_MAX] = { |
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Line 255 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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const char *const __mdoc_reserved[] = { |
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"Ac", "Ad", "An", "Ao", "Ap", "Aq", "Ar", "At", |
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"Bc", "Bd", "Bf", "Bk", "Bl", "Bo", "Bq", |
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"Brc", "Bro", "Brq", "Bsx", "Bt", "Bx", |
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"Cd", "Cm", "Db", "Dc", "Dd", "Dl", "Do", "Dq", |
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"Ds", "Dt", "Dv", "Dx", "D1", |
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"Ec", "Ed", "Ef", "Ek", "El", "Em", "em", |
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"En", "Eo", "Eq", "Er", "Es", "Ev", "Ex", |
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"Fa", "Fc", "Fd", "Fl", "Fn", "Fo", "Fr", "Ft", "Fx", |
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"Hf", "Ic", "In", "It", "Lb", "Li", "Lk", "Lp", "LP", |
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"Me", "Ms", "Mt", "Nd", "Nm", "No", "Ns", "Nx", |
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"Oc", "Oo", "Op", "Os", "Ot", "Ox", |
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"Pa", "Pc", "Pf", "Po", "Pp", "PP", "pp", "Pq", |
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"Qc", "Ql", "Qo", "Qq", "Or", "Rd", "Re", "Rs", "Rv", |
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"Sc", "Sf", "Sh", "SH", "Sm", "So", "Sq", |
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"Ss", "St", "Sx", "Sy", |
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"Ta", "Tn", "Ud", "Ux", "Va", "Vt", "Xc", "Xo", "Xr", |
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"%A", "%B", "%D", "%I", "%J", "%N", "%O", |
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"%P", "%Q", "%R", "%T", "%U", "%V", |
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NULL |
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}; |
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const char *const __man_reserved[] = { |
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"AT", "B", "BI", "BR", "BT", "DE", "DS", "DT", |
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"EE", "EN", "EQ", "EX", "HF", "HP", "I", "IB", "IP", "IR", |
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"LP", "ME", "MT", "OP", "P", "PD", "PP", "PT", |
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"R", "RB", "RE", "RI", "RS", "SB", "SH", "SM", "SS", "SY", |
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"TE", "TH", "TP", "TQ", "TS", "T&", "UC", "UE", "UR", "YS", |
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NULL |
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}; |
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/* Array of injected predefined strings. */ |
/* Array of injected predefined strings. */ |
#define PREDEFS_MAX 38 |
#define PREDEFS_MAX 38 |
static const struct predef predefs[PREDEFS_MAX] = { |
static const struct predef predefs[PREDEFS_MAX] = { |
Line 346 roff_free1(struct roff *r) |
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Line 395 roff_free1(struct roff *r) |
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{ |
{ |
struct tbl_node *t; |
struct tbl_node *t; |
struct eqn_node *e; |
struct eqn_node *e; |
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int i; |
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while (NULL != (t = r->first_tbl)) { |
while (NULL != (t = r->first_tbl)) { |
r->first_tbl = t->next; |
r->first_tbl = t->next; |
Line 364 roff_free1(struct roff *r) |
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Line 414 roff_free1(struct roff *r) |
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while (r->last) |
while (r->last) |
roffnode_pop(r); |
roffnode_pop(r); |
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roff_freestr(&r->strtab); |
roff_freestr(r->strtab); |
roff_freestr(&r->chrtab); |
roff_freestr(r->xmbtab); |
} |
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r->strtab = r->xmbtab = NULL; |
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if (r->xtab) |
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for (i = 0; i < 128; i++) |
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free(r->xtab[i].p); |
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free(r->xtab); |
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r->xtab = NULL; |
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} |
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void |
void |
roff_reset(struct roff *r) |
roff_reset(struct roff *r) |
{ |
{ |
Line 376 roff_reset(struct roff *r) |
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Line 434 roff_reset(struct roff *r) |
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roff_free1(r); |
roff_free1(r); |
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r->control = 0; |
memset(&r->regs, 0, sizeof(struct reg) * REG__MAX); |
memset(&r->regs, 0, sizeof(struct reg) * REG__MAX); |
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for (i = 0; i < PREDEFS_MAX; i++) |
for (i = 0; i < PREDEFS_MAX; i++) |
Line 393 roff_free(struct roff *r) |
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Line 452 roff_free(struct roff *r) |
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struct roff * |
struct roff * |
roff_alloc(struct mparse *parse) |
roff_alloc(enum mparset type, struct mparse *parse) |
{ |
{ |
struct roff *r; |
struct roff *r; |
int i; |
int i; |
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r = mandoc_calloc(1, sizeof(struct roff)); |
r = mandoc_calloc(1, sizeof(struct roff)); |
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r->parsetype = type; |
r->parse = parse; |
r->parse = parse; |
r->rstackpos = -1; |
r->rstackpos = -1; |
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Line 416 roff_alloc(struct mparse *parse) |
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Line 476 roff_alloc(struct mparse *parse) |
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* is processed. |
* is processed. |
* This also checks the syntax of regular escapes. |
* This also checks the syntax of regular escapes. |
*/ |
*/ |
static void |
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) |
{ |
{ |
enum mandoc_esc esc; |
enum mandoc_esc esc; |
Line 424 roff_res(struct roff *r, char **bufp, size_t *szp, int |
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Line 484 roff_res(struct roff *r, char **bufp, size_t *szp, int |
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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 */ |
int i, maxl; |
int i, maxl, expand_count; |
size_t nsz; |
size_t nsz; |
char *n; |
char *n; |
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expand_count = 0; |
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again: |
again: |
cp = *bufp + pos; |
cp = *bufp + pos; |
while (NULL != (cp = strchr(cp, '\\'))) { |
while (NULL != (cp = strchr(cp, '\\'))) { |
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*/ |
*/ |
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if ('\0' == *cp) |
if ('\0' == *cp) |
return; |
return(ROFF_CONT); |
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if ('*' != *cp) { |
if ('*' != *cp) { |
res = cp; |
res = cp; |
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mandoc_msg |
mandoc_msg |
(MANDOCERR_BADESCAPE, r->parse, |
(MANDOCERR_BADESCAPE, r->parse, |
ln, (int)(stesc - *bufp), NULL); |
ln, (int)(stesc - *bufp), NULL); |
return; |
return(ROFF_CONT); |
} |
} |
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cp++; |
cp++; |
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switch (*cp) { |
switch (*cp) { |
case ('\0'): |
case ('\0'): |
return; |
return(ROFF_CONT); |
case ('('): |
case ('('): |
cp++; |
cp++; |
maxl = 2; |
maxl = 2; |
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(MANDOCERR_BADESCAPE, |
(MANDOCERR_BADESCAPE, |
r->parse, ln, |
r->parse, ln, |
(int)(stesc - *bufp), NULL); |
(int)(stesc - *bufp), NULL); |
return; |
return(ROFF_CONT); |
} |
} |
if (0 == maxl && ']' == *cp) |
if (0 == maxl && ']' == *cp) |
break; |
break; |
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*bufp = n; |
*bufp = n; |
*szp = nsz; |
*szp = nsz; |
goto again; |
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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); |
} |
} |
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/* |
/* |
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static enum rofferr |
static enum rofferr |
roff_parsetext(char *p) |
roff_parsetext(char *p) |
{ |
{ |
char l, r; |
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size_t sz; |
size_t sz; |
const char *start; |
const char *start; |
enum mandoc_esc esc; |
enum mandoc_esc esc; |
Line 559 roff_parsetext(char *p) |
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Line 627 roff_parsetext(char *p) |
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continue; |
continue; |
} |
} |
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l = *(p - 1); |
if (isalpha((unsigned char)p[-1]) && |
r = *(p + 1); |
isalpha((unsigned char)p[1])) |
if ('\\' != l && |
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'\t' != r && '\t' != l && |
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' ' != r && ' ' != l && |
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'-' != r && '-' != l && |
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! isdigit((unsigned char)l) && |
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! isdigit((unsigned char)r)) |
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*p = ASCII_HYPH; |
*p = ASCII_HYPH; |
p++; |
p++; |
} |
} |
Line 587 roff_parseln(struct roff *r, int ln, char **bufp, |
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Line 649 roff_parseln(struct roff *r, int ln, char **bufp, |
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* words to fill in. |
* words to fill in. |
*/ |
*/ |
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roff_res(r, bufp, szp, ln, pos); |
e = roff_res(r, bufp, szp, ln, pos); |
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if (ROFF_IGN == e) |
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return(e); |
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assert(ROFF_CONT == e); |
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ppos = pos; |
ppos = pos; |
ctl = mandoc_getcontrol(*bufp, &pos); |
ctl = roff_getcontrol(r, *bufp, &pos); |
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/* |
/* |
* First, if a scope is open and we're not a macro, pass the |
* First, if a scope is open and we're not a macro, pass the |
Line 757 roffnode_cleanscope(struct roff *r) |
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Line 822 roffnode_cleanscope(struct roff *r) |
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{ |
{ |
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while (r->last) { |
while (r->last) { |
if (--r->last->endspan < 0) |
if (--r->last->endspan != 0) |
break; |
break; |
roffnode_pop(r); |
roffnode_pop(r); |
} |
} |
Line 1077 roff_line_ignore(ROFF_ARGS) |
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Line 1142 roff_line_ignore(ROFF_ARGS) |
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static enum rofferr |
static enum rofferr |
roff_cond(ROFF_ARGS) |
roff_cond(ROFF_ARGS) |
{ |
{ |
int sv; |
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enum roffrule rule; |
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roffnode_push(r, tok, NULL, ln, ppos); |
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/* |
/* |
* 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 |
Line 1088 roff_cond(ROFF_ARGS) |
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Line 1153 roff_cond(ROFF_ARGS) |
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* If we're not an `el', however, then evaluate the conditional. |
* If we're not an `el', however, then evaluate the conditional. |
*/ |
*/ |
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rule = ROFF_el == tok ? |
r->last->rule = ROFF_el == tok ? |
(r->rstackpos < 0 ? |
(r->rstackpos < 0 ? |
ROFFRULE_DENY : r->rstack[r->rstackpos--]) : |
ROFFRULE_DENY : r->rstack[r->rstackpos--]) : |
roff_evalcond(*bufp, &pos); |
roff_evalcond(*bufp, &pos); |
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sv = pos; |
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while (' ' == (*bufp)[pos]) |
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pos++; |
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/* |
/* |
* Roff is weird. If we have just white-space after the |
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* conditional, it's considered the BODY and we exit without |
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* really doing anything. Warn about this. It's probably |
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* wrong. |
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*/ |
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if ('\0' == (*bufp)[pos] && sv != pos) { |
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mandoc_msg(MANDOCERR_NOARGS, r->parse, ln, ppos, NULL); |
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return(ROFF_IGN); |
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} |
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roffnode_push(r, tok, NULL, ln, ppos); |
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r->last->rule = rule; |
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/* |
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* An if-else will put the NEGATION of the current evaluated |
* An if-else will put the NEGATION of the current evaluated |
* conditional into the stack of rules. |
* conditional into the stack of rules. |
*/ |
*/ |
Line 1135 roff_cond(ROFF_ARGS) |
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Line 1180 roff_cond(ROFF_ARGS) |
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r->last->rule = ROFFRULE_DENY; |
r->last->rule = ROFFRULE_DENY; |
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/* |
/* |
* Determine scope. If we're invoked with "\{" trailing the |
* Determine scope. |
* conditional, then we're in a multiline scope. Else our scope |
* If there is nothing on the line after the conditional, |
* expires on the next line. |
* not even whitespace, use next-line scope. |
*/ |
*/ |
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r->last->endspan = 1; |
if ('\0' == (*bufp)[pos]) { |
|
r->last->endspan = 2; |
|
goto out; |
|
} |
|
|
|
while (' ' == (*bufp)[pos]) |
|
pos++; |
|
|
|
/* An opening brace requests multiline scope. */ |
|
|
if ('\\' == (*bufp)[pos] && '{' == (*bufp)[pos + 1]) { |
if ('\\' == (*bufp)[pos] && '{' == (*bufp)[pos + 1]) { |
r->last->endspan = -1; |
r->last->endspan = -1; |
pos += 2; |
pos += 2; |
|
goto out; |
} |
} |
|
|
/* |
/* |
* If there are no arguments on the line, the next-line scope is |
* Anything else following the conditional causes |
* assumed. |
* single-line scope. Warn if the scope contains |
|
* nothing but trailing whitespace. |
*/ |
*/ |
|
|
if ('\0' == (*bufp)[pos]) |
if ('\0' == (*bufp)[pos]) |
return(ROFF_IGN); |
mandoc_msg(MANDOCERR_NOARGS, r->parse, ln, ppos, NULL); |
|
|
/* Otherwise re-run the roff parser after recalculating. */ |
r->last->endspan = 1; |
|
|
|
out: |
*offs = pos; |
*offs = pos; |
return(ROFF_RERUN); |
return(ROFF_RERUN); |
} |
} |
Line 1253 roff_rm(ROFF_ARGS) |
|
Line 1309 roff_rm(ROFF_ARGS) |
|
|
|
/* ARGSUSED */ |
/* ARGSUSED */ |
static enum rofferr |
static enum rofferr |
|
roff_Dd(ROFF_ARGS) |
|
{ |
|
const char *const *cp; |
|
|
|
if (MPARSE_MDOC != r->parsetype) |
|
for (cp = __mdoc_reserved; *cp; cp++) |
|
roff_setstr(r, *cp, NULL, 0); |
|
|
|
return(ROFF_CONT); |
|
} |
|
|
|
/* ARGSUSED */ |
|
static enum rofferr |
|
roff_TH(ROFF_ARGS) |
|
{ |
|
const char *const *cp; |
|
|
|
if (MPARSE_MDOC != r->parsetype) |
|
for (cp = __man_reserved; *cp; cp++) |
|
roff_setstr(r, *cp, NULL, 0); |
|
|
|
return(ROFF_CONT); |
|
} |
|
|
|
/* ARGSUSED */ |
|
static enum rofferr |
roff_TE(ROFF_ARGS) |
roff_TE(ROFF_ARGS) |
{ |
{ |
|
|
Line 1351 roff_TS(ROFF_ARGS) |
|
Line 1433 roff_TS(ROFF_ARGS) |
|
|
|
/* ARGSUSED */ |
/* ARGSUSED */ |
static enum rofferr |
static enum rofferr |
|
roff_cc(ROFF_ARGS) |
|
{ |
|
const char *p; |
|
|
|
p = *bufp + pos; |
|
|
|
if ('\0' == *p || '.' == (r->control = *p++)) |
|
r->control = 0; |
|
|
|
if ('\0' != *p) |
|
mandoc_msg(MANDOCERR_ARGCOUNT, r->parse, ln, ppos, NULL); |
|
|
|
return(ROFF_IGN); |
|
} |
|
|
|
/* ARGSUSED */ |
|
static enum rofferr |
roff_tr(ROFF_ARGS) |
roff_tr(ROFF_ARGS) |
{ |
{ |
const char *p, *first, *second; |
const char *p, *first, *second; |
Line 1396 roff_tr(ROFF_ARGS) |
|
Line 1495 roff_tr(ROFF_ARGS) |
|
p--; |
p--; |
} |
} |
|
|
roff_setstrn(&r->chrtab, first, fsz, second, ssz, 0); |
if (fsz > 1) { |
|
roff_setstrn(&r->xmbtab, first, |
|
fsz, second, ssz, 0); |
|
continue; |
|
} |
|
|
|
if (NULL == r->xtab) |
|
r->xtab = mandoc_calloc |
|
(128, sizeof(struct roffstr)); |
|
|
|
free(r->xtab[(int)*first].p); |
|
r->xtab[(int)*first].p = mandoc_strndup(second, ssz); |
|
r->xtab[(int)*first].sz = ssz; |
} |
} |
|
|
return(ROFF_IGN); |
return(ROFF_IGN); |
Line 1616 roff_getstrn(const struct roff *r, const char *name, s |
|
Line 1727 roff_getstrn(const struct roff *r, const char *name, s |
|
} |
} |
|
|
static void |
static void |
roff_freestr(struct roffkv **r) |
roff_freestr(struct roffkv *r) |
{ |
{ |
struct roffkv *n, *nn; |
struct roffkv *n, *nn; |
|
|
for (n = *r; n; n = nn) { |
for (n = r; n; n = nn) { |
free(n->key.p); |
free(n->key.p); |
free(n->val.p); |
free(n->val.p); |
nn = n->next; |
nn = n->next; |
free(n); |
free(n); |
} |
} |
|
|
*r = NULL; |
|
} |
} |
|
|
const struct tbl_span * |
const struct tbl_span * |
Line 1644 roff_eqn(const struct roff *r) |
|
Line 1753 roff_eqn(const struct roff *r) |
|
return(r->last_eqn ? &r->last_eqn->eqn : NULL); |
return(r->last_eqn ? &r->last_eqn->eqn : NULL); |
} |
} |
|
|
char |
|
roff_eqndelim(const struct roff *r) |
|
{ |
|
|
|
return('\0'); |
|
} |
|
|
|
/* |
/* |
* Duplicate an input string, making the appropriate character |
* Duplicate an input string, making the appropriate character |
* conversations (as stipulated by `tr') along the way. |
* conversations (as stipulated by `tr') along the way. |
Line 1665 roff_strdup(const struct roff *r, const char *p) |
|
Line 1767 roff_strdup(const struct roff *r, const char *p) |
|
size_t ssz, sz; |
size_t ssz, sz; |
enum mandoc_esc esc; |
enum mandoc_esc esc; |
|
|
if (NULL == r->chrtab) |
if (NULL == r->xmbtab && NULL == r->xtab) |
return(mandoc_strdup(p)); |
return(mandoc_strdup(p)); |
else if ('\0' == *p) |
else if ('\0' == *p) |
return(mandoc_strdup("")); |
return(mandoc_strdup("")); |
Line 1682 roff_strdup(const struct roff *r, const char *p) |
|
Line 1784 roff_strdup(const struct roff *r, const char *p) |
|
ssz = 0; |
ssz = 0; |
|
|
while ('\0' != *p) { |
while ('\0' != *p) { |
|
if ('\\' != *p && r->xtab && r->xtab[(int)*p].p) { |
|
sz = r->xtab[(int)*p].sz; |
|
res = mandoc_realloc(res, ssz + sz + 1); |
|
memcpy(res + ssz, r->xtab[(int)*p].p, sz); |
|
ssz += sz; |
|
p++; |
|
continue; |
|
} else if ('\\' != *p) { |
|
res = mandoc_realloc(res, ssz + 2); |
|
res[ssz++] = *p++; |
|
continue; |
|
} |
|
|
/* Search for term matches. */ |
/* Search for term matches. */ |
for (cp = r->chrtab; cp; cp = cp->next) |
for (cp = r->xmbtab; cp; cp = cp->next) |
if (0 == strncmp(p, cp->key.p, cp->key.sz)) |
if (0 == strncmp(p, cp->key.p, cp->key.sz)) |
break; |
break; |
|
|
Line 1701 roff_strdup(const struct roff *r, const char *p) |
|
Line 1816 roff_strdup(const struct roff *r, const char *p) |
|
continue; |
continue; |
} |
} |
|
|
if ('\\' == *p) { |
/* |
/* |
* Handle escapes carefully: we need to copy |
* Handle escapes carefully: we need to copy |
* over just the escape itself, or else we might |
* over just the escape itself, or else we might |
* do replacements within the escape itself. |
* do replacements within the escape itself. |
* Make sure to pass along the bogus string. |
* Make sure to pass along the bogus string. |
*/ |
*/ |
pp = p++; |
pp = p++; |
esc = mandoc_escape(&p, NULL, NULL); |
esc = mandoc_escape(&p, NULL, NULL); |
if (ESCAPE_ERROR == esc) { |
if (ESCAPE_ERROR == esc) { |
sz = strlen(pp); |
sz = strlen(pp); |
|
res = mandoc_realloc(res, ssz + sz + 1); |
|
memcpy(res + ssz, pp, sz); |
|
break; |
|
} |
|
/* |
|
* We bail out on bad escapes. |
|
* No need to warn: we already did so when |
|
* roff_res() was called. |
|
*/ |
|
sz = (int)(p - pp); |
|
res = mandoc_realloc(res, ssz + sz + 1); |
res = mandoc_realloc(res, ssz + sz + 1); |
memcpy(res + ssz, pp, sz); |
memcpy(res + ssz, pp, sz); |
ssz += sz; |
break; |
continue; |
|
} |
} |
|
/* |
/* Just append the charater. */ |
* We bail out on bad escapes. |
res = mandoc_realloc(res, ssz + 2); |
* No need to warn: we already did so when |
res[ssz++] = *p++; |
* roff_res() was called. |
|
*/ |
|
sz = (int)(p - pp); |
|
res = mandoc_realloc(res, ssz + sz + 1); |
|
memcpy(res + ssz, pp, sz); |
|
ssz += sz; |
} |
} |
|
|
res[(int)ssz] = '\0'; |
res[(int)ssz] = '\0'; |
return(res); |
return(res); |
|
} |
|
|
|
/* |
|
* 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, |
|
* return zero and don't change the current position. |
|
* If the control character has been set with `.cc', then let that grain |
|
* precedence. |
|
* This is slighly contrary to groff, where using the non-breaking |
|
* control character when `cc' has been invoked will cause the |
|
* non-breaking macro contents to be printed verbatim. |
|
*/ |
|
int |
|
roff_getcontrol(const struct roff *r, const char *cp, int *ppos) |
|
{ |
|
int pos; |
|
|
|
pos = *ppos; |
|
|
|
if (0 != r->control && cp[pos] == r->control) |
|
pos++; |
|
else if (0 != r->control) |
|
return(0); |
|
else if ('\\' == cp[pos] && '.' == cp[pos + 1]) |
|
pos += 2; |
|
else if ('.' == cp[pos] || '\'' == cp[pos]) |
|
pos++; |
|
else |
|
return(0); |
|
|
|
while (' ' == cp[pos] || '\t' == cp[pos]) |
|
pos++; |
|
|
|
*ppos = pos; |
|
return(1); |
} |
} |