version 1.9, 2019/04/11 04:23:22 |
version 1.21, 2019/05/20 20:08:26 |
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*/ |
*/ |
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void |
void |
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para_check(struct format *f) |
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{ |
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if (f->parastate != PARA_WANT) |
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return; |
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if (f->linestate != LINE_NEW) { |
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putchar('\n'); |
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f->linestate = LINE_NEW; |
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} |
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puts(".Pp"); |
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f->parastate = PARA_HAVE; |
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} |
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void |
macro_open(struct format *f, const char *name) |
macro_open(struct format *f, const char *name) |
{ |
{ |
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para_check(f); |
switch (f->linestate) { |
switch (f->linestate) { |
case LINE_MACRO: |
case LINE_MACRO: |
if (f->flags & FMT_NOSPC) { |
if (f->flags & FMT_NOSPC) { |
fputs(" Ns ", stdout); |
fputs(" Ns ", stdout); |
break; |
break; |
} |
} |
if (f->flags & (FMT_CHILD | FMT_IMPL)) { |
if (f->nofill || f->flags & (FMT_CHILD | FMT_IMPL)) { |
putchar(' '); |
putchar(' '); |
break; |
break; |
} |
} |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case LINE_TEXT: |
case LINE_TEXT: |
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if (f->nofill && f->linestate == LINE_TEXT) |
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fputs(" \\c", stdout); |
putchar('\n'); |
putchar('\n'); |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case LINE_NEW: |
case LINE_NEW: |
Line 53 macro_open(struct format *f, const char *name) |
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Line 69 macro_open(struct format *f, const char *name) |
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fputs(name, stdout); |
fputs(name, stdout); |
f->flags &= FMT_IMPL; |
f->flags &= FMT_IMPL; |
f->flags |= FMT_ARG; |
f->flags |= FMT_ARG; |
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f->parastate = PARA_MID; |
} |
} |
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void |
void |
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macro_addarg(struct format *f, const char *arg, int flags) |
macro_addarg(struct format *f, const char *arg, int flags) |
{ |
{ |
const char *cp; |
const char *cp; |
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int quote_now; |
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assert(f->linestate == LINE_MACRO); |
assert(f->linestate == LINE_MACRO); |
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/* Quote if requested and necessary. */ |
/* Quote if requested and necessary. */ |
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quote_now = 0; |
if ((flags & (ARG_SINGLE | ARG_QUOTED)) == ARG_SINGLE) { |
if ((flags & (ARG_SINGLE | ARG_QUOTED)) == ARG_SINGLE) { |
for (cp = arg; *cp != '\0'; cp++) |
for (cp = arg; *cp != '\0'; cp++) |
if (isspace((unsigned char)*cp)) |
if (isspace((unsigned char)*cp)) |
Line 95 macro_addarg(struct format *f, const char *arg, int fl |
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Line 114 macro_addarg(struct format *f, const char *arg, int fl |
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} |
} |
putchar('"'); |
putchar('"'); |
flags = ARG_QUOTED; |
flags = ARG_QUOTED; |
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quote_now = 1; |
} |
} |
} |
} |
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Line 110 macro_addarg(struct format *f, const char *arg, int fl |
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Line 130 macro_addarg(struct format *f, const char *arg, int fl |
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flags &= ~ ARG_SPACE; |
flags &= ~ ARG_SPACE; |
} |
} |
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/* For XML entities, skip escaping. */ |
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if (flags & ARG_RAW) { |
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fputs(arg, stdout); |
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break; |
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} |
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/* Escape us if we look like a macro. */ |
/* Escape us if we look like a macro. */ |
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if ((flags & ARG_QUOTED) == 0 && |
if ((flags & (ARG_QUOTED | ARG_UPPER)) == 0 && |
(cp == arg || isspace((unsigned char)cp[-1])) && |
(cp == arg || isspace((unsigned char)cp[-1])) && |
isupper((unsigned char)cp[0]) && |
isupper((unsigned char)cp[0]) && |
islower((unsigned char)cp[1]) && |
islower((unsigned char)cp[1]) && |
(cp[2] == '\0' || cp[2] == ' ' || |
(cp[2] == '\0' || cp[2] == ' ' || |
(islower((unsigned char)cp[2]) && |
((cp[3] == '\0' || cp[3] == ' ') && |
(cp[3] == '\0' || cp[3] == ' ')))) |
(strncmp(cp, "Brq", 3) == 0 || |
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strncmp(cp, "Bro", 3) == 0 || |
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strncmp(cp, "Brc", 3) == 0 || |
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strncmp(cp, "Bsx", 3) == 0)))) |
fputs("\\&", stdout); |
fputs("\\&", stdout); |
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if (*cp == '"') |
if (*cp == '"') |
Line 130 macro_addarg(struct format *f, const char *arg, int fl |
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Line 160 macro_addarg(struct format *f, const char *arg, int fl |
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if (*cp == '\\') |
if (*cp == '\\') |
putchar('e'); |
putchar('e'); |
} |
} |
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if (quote_now) |
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putchar('"'); |
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f->parastate = PARA_MID; |
} |
} |
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void |
void |
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macro_addnode(struct format *f, struct pnode *n, int flags) |
macro_addnode(struct format *f, struct pnode *n, int flags) |
{ |
{ |
struct pnode *nc; |
struct pnode *nc; |
int quote_now; |
int is_text, quote_now; |
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assert(f->linestate == LINE_MACRO); |
assert(f->linestate == LINE_MACRO); |
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Line 160 macro_addnode(struct format *f, struct pnode *n, int f |
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Line 193 macro_addnode(struct format *f, struct pnode *n, int f |
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TAILQ_NEXT(nc, child) == NULL) |
TAILQ_NEXT(nc, child) == NULL) |
n = nc; |
n = nc; |
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if (n->node == NODE_TEXT || n->node == NODE_ESCAPE) { |
switch (n->node) { |
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case NODE_ESCAPE: |
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flags |= ARG_RAW; |
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/* FALLTHROUGH */ |
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case NODE_TEXT: |
macro_addarg(f, n->b, flags); |
macro_addarg(f, n->b, flags); |
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f->parastate = PARA_MID; |
return; |
return; |
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default: |
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break; |
} |
} |
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/* |
/* |
Line 191 macro_addnode(struct format *f, struct pnode *n, int f |
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Line 231 macro_addnode(struct format *f, struct pnode *n, int f |
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while (nc != NULL) { |
while (nc != NULL) { |
macro_addnode(f, nc, flags); |
macro_addnode(f, nc, flags); |
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is_text = pnode_class(nc->node) == CLASS_TEXT; |
nc = TAILQ_NEXT(nc, child); |
nc = TAILQ_NEXT(nc, child); |
flags |= ARG_SPACE; |
if (nc == NULL || pnode_class(nc->node) != CLASS_TEXT) |
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is_text = 0; |
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if (is_text && (nc->flags & NFLAG_SPC) == 0) |
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flags &= ~ARG_SPACE; |
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else |
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flags |= ARG_SPACE; |
} |
} |
if (quote_now) |
if (quote_now) |
putchar('"'); |
putchar('"'); |
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f->parastate = PARA_MID; |
} |
} |
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void |
void |
Line 212 macro_nodeline(struct format *f, const char *name, str |
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Line 259 macro_nodeline(struct format *f, const char *name, str |
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* line otherwise. The flag ARG_SPACE inserts spaces between words. |
* line otherwise. The flag ARG_SPACE inserts spaces between words. |
*/ |
*/ |
void |
void |
print_text(struct format *f, const char *word, int flags) { |
print_text(struct format *f, const char *word, int flags) |
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{ |
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int ateos, inword; |
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para_check(f); |
switch (f->linestate) { |
switch (f->linestate) { |
case LINE_NEW: |
case LINE_NEW: |
break; |
break; |
Line 224 print_text(struct format *f, const char *word, int fla |
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Line 275 print_text(struct format *f, const char *word, int fla |
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macro_close(f); |
macro_close(f); |
break; |
break; |
} |
} |
fputs(word, stdout); |
if (f->linestate == LINE_NEW && (*word == '.' || *word == '\'')) |
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fputs("\\&", stdout); |
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ateos = inword = 0; |
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while (*word != '\0') { |
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if (f->nofill == 0) { |
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switch (*word) { |
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case ' ': |
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if (ateos == 0) { |
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inword = 0; |
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break; |
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} |
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ateos = inword = 0; |
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/* Handle the end of a sentence. */ |
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while (*word == ' ') |
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word++; |
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switch (*word) { |
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case '\0': |
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break; |
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case '\'': |
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case '.': |
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fputs("\n\\&", stdout); |
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break; |
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default: |
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putchar('\n'); |
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break; |
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} |
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continue; |
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/* Detect the end of a sentence. */ |
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case '!': |
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case '.': |
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case '?': |
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if (inword > 1 && |
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(word[-2] != 'n' || word[-1] != 'c') && |
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(word[-2] != 'v' || word[-1] != 's')) |
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ateos = 1; |
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/* FALLTHROUGH */ |
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case '"': |
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case '\'': |
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case ')': |
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case ']': |
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inword = 0; |
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break; |
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default: |
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if (isalnum((unsigned char)*word)) |
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inword++; |
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ateos = 0; |
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break; |
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} |
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} |
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putchar(*word); |
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if (*word++ == '\\') |
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putchar('e'); |
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} |
f->linestate = LINE_TEXT; |
f->linestate = LINE_TEXT; |
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f->parastate = PARA_MID; |
f->flags = 0; |
f->flags = 0; |
} |
} |
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