version 1.29, 2009/08/13 11:45:29 |
version 1.43, 2009/10/26 07:11:06 |
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
*/ |
*/ |
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#include <sys/types.h> |
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#include <assert.h> |
#include <assert.h> |
#include <ctype.h> |
#include <ctype.h> |
#include <stdarg.h> |
#include <stdarg.h> |
Line 38 const char *const __man_merrnames[WERRMAX] = { |
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Line 40 const char *const __man_merrnames[WERRMAX] = { |
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"expected block head arguments", /* WHEADARGS */ |
"expected block head arguments", /* WHEADARGS */ |
"expected block body arguments", /* WBODYARGS */ |
"expected block body arguments", /* WBODYARGS */ |
"expected empty block head", /* WNHEADARGS */ |
"expected empty block head", /* WNHEADARGS */ |
"unknown macro", /* WMACRO */ |
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"ill-formed macro", /* WMACROFORM */ |
"ill-formed macro", /* WMACROFORM */ |
"scope open on exit" /* WEXITSCOPE */ |
"scope open on exit", /* WEXITSCOPE */ |
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"no scope context", /* WNOSCOPE */ |
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"literal context already open", /* WOLITERAL */ |
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"no literal context open" /* WNLITERAL */ |
}; |
}; |
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const char *const __man_macronames[MAN_MAX] = { |
const char *const __man_macronames[MAN_MAX] = { |
Line 50 const char *const __man_macronames[MAN_MAX] = { |
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Line 54 const char *const __man_macronames[MAN_MAX] = { |
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"BI", "IB", "BR", "RB", |
"BI", "IB", "BR", "RB", |
"R", "B", "I", "IR", |
"R", "B", "I", "IR", |
"RI", "na", "i", "sp", |
"RI", "na", "i", "sp", |
"nf", "fi", "r" |
"nf", "fi", "r", "RE", |
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"RS", "DT", "UC", "PD" |
}; |
}; |
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const char * const *man_macronames = __man_macronames; |
const char * const *man_macronames = __man_macronames; |
Line 63 static int man_ptext(struct man *, int, char *); |
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Line 68 static int man_ptext(struct man *, int, char *); |
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static int man_pmacro(struct man *, int, char *); |
static int man_pmacro(struct man *, int, char *); |
static void man_free1(struct man *); |
static void man_free1(struct man *); |
static int man_alloc1(struct man *); |
static int man_alloc1(struct man *); |
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static int pstring(struct man *, int, int, |
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const char *, size_t); |
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static int macrowarn(struct man *, int, const char *); |
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#ifdef __linux__ |
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extern size_t strlcpy(char *, const char *, size_t); |
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#endif |
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const struct man_node * |
const struct man_node * |
man_node(const struct man *m) |
man_node(const struct man *m) |
{ |
{ |
Line 95 man_free(struct man *man) |
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Line 107 man_free(struct man *man) |
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{ |
{ |
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man_free1(man); |
man_free1(man); |
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if (man->htab) |
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man_hash_free(man->htab); |
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free(man); |
free(man); |
} |
} |
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Line 115 man_alloc(void *data, int pflags, const struct man_cb |
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Line 124 man_alloc(void *data, int pflags, const struct man_cb |
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return(NULL); |
return(NULL); |
} |
} |
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man_hash_init(); |
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p->data = data; |
p->data = data; |
p->pflags = pflags; |
p->pflags = pflags; |
(void)memcpy(&p->cb, cb, sizeof(struct man_cb)); |
(void)memcpy(&p->cb, cb, sizeof(struct man_cb)); |
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if (NULL == (p->htab = man_hash_alloc())) { |
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free(p); |
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return(NULL); |
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} |
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return(p); |
return(p); |
} |
} |
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Line 257 man_node_alloc(int line, int pos, enum man_type type, |
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Line 263 man_node_alloc(int line, int pos, enum man_type type, |
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int |
int |
man_elem_alloc(struct man *man, int line, int pos, int tok) |
man_elem_alloc(struct man *m, int line, int pos, int tok) |
{ |
{ |
struct man_node *p; |
struct man_node *p; |
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p = man_node_alloc(line, pos, MAN_ELEM, tok); |
p = man_node_alloc(line, pos, MAN_ELEM, tok); |
if (NULL == p) |
if (NULL == p) |
return(0); |
return(0); |
return(man_node_append(man, p)); |
if ( ! man_node_append(m, p)) |
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return(0); |
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m->next = MAN_NEXT_CHILD; |
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return(1); |
} |
} |
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Line 313 man_block_alloc(struct man *m, int line, int pos, int |
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Line 322 man_block_alloc(struct man *m, int line, int pos, int |
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} |
} |
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int |
static int |
man_word_alloc(struct man *man, |
pstring(struct man *m, int line, int pos, |
int line, int pos, const char *word) |
const char *p, size_t len) |
{ |
{ |
struct man_node *p; |
struct man_node *n; |
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size_t sv; |
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p = man_node_alloc(line, pos, MAN_TEXT, -1); |
n = man_node_alloc(line, pos, MAN_TEXT, -1); |
if (NULL == p) |
if (NULL == n) |
return(0); |
return(0); |
if (NULL == (p->string = strdup(word))) |
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n->string = malloc(len + 1); |
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if (NULL == n->string) { |
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free(n); |
return(0); |
return(0); |
return(man_node_append(man, p)); |
} |
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sv = strlcpy(n->string, p, len + 1); |
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/* Prohibit truncation. */ |
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assert(sv < len + 1); |
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if ( ! man_node_append(m, n)) |
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return(0); |
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m->next = MAN_NEXT_SIBLING; |
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return(1); |
} |
} |
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int |
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man_word_alloc(struct man *m, int line, int pos, const char *word) |
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{ |
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return(pstring(m, line, pos, word, strlen(word))); |
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} |
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void |
void |
man_node_free(struct man_node *p) |
man_node_free(struct man_node *p) |
{ |
{ |
Line 343 man_node_free(struct man_node *p) |
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Line 374 man_node_free(struct man_node *p) |
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void |
void |
man_node_freelist(struct man_node *p) |
man_node_freelist(struct man_node *p) |
{ |
{ |
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struct man_node *n; |
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if (p->child) |
if (p->child) |
man_node_freelist(p->child); |
man_node_freelist(p->child); |
if (p->next) |
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man_node_freelist(p->next); |
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assert(0 == p->nchild); |
assert(0 == p->nchild); |
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n = p->next; |
man_node_free(p); |
man_node_free(p); |
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if (n) |
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man_node_freelist(n); |
} |
} |
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static int |
static int |
man_ptext(struct man *m, int line, char *buf) |
man_ptext(struct man *m, int line, char *buf) |
{ |
{ |
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int i, j; |
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/* First allocate word. */ |
/* Literal free-form text whitespace is preserved. */ |
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if ( ! man_word_alloc(m, line, 0, buf)) |
if (MAN_LITERAL & m->flags) { |
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if ( ! man_word_alloc(m, line, 0, buf)) |
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return(0); |
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goto descope; |
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} |
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/* First de-chunk and allocate words. */ |
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for (i = 0; ' ' == buf[i]; i++) |
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/* Skip leading whitespace. */ ; |
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if (0 == buf[i]) { |
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if ( ! pstring(m, line, 0, &buf[i], 0)) |
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return(0); |
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goto descope; |
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} |
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for (j = i; buf[i]; i++) { |
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if (' ' != buf[i]) |
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continue; |
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/* Escaped whitespace. */ |
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if (i && ' ' == buf[i] && '\\' == buf[i - 1]) |
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continue; |
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buf[i++] = 0; |
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if ( ! pstring(m, line, j, &buf[j], (size_t)(i - j))) |
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return(0); |
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for ( ; ' ' == buf[i]; i++) |
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/* Skip trailing whitespace. */ ; |
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j = i; |
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if (0 == buf[i]) |
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break; |
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} |
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if (j != i && ! pstring(m, line, j, &buf[j], (size_t)(i - j))) |
return(0); |
return(0); |
m->next = MAN_NEXT_SIBLING; |
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descope: |
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/* |
/* |
* Co-ordinate what happens with having a next-line scope open: |
* Co-ordinate what happens with having a next-line scope open: |
* first close out the element scope (if applicable), then close |
* first close out the element scope (if applicable), then close |
* out the block scope (also if applicable). |
* out the block scope (also if applicable). |
*/ |
*/ |
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/* XXX - this should be in man_action.c. */ |
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if (MAN_ELINE & m->flags) { |
if (MAN_ELINE & m->flags) { |
m->flags &= ~MAN_ELINE; |
m->flags &= ~MAN_ELINE; |
if ( ! man_unscope(m, m->last->parent)) |
if ( ! man_unscope(m, m->last->parent)) |
Line 388 man_ptext(struct man *m, int line, char *buf) |
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Line 456 man_ptext(struct man *m, int line, char *buf) |
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} |
} |
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static int |
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macrowarn(struct man *m, int ln, const char *buf) |
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{ |
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if ( ! (MAN_IGN_MACRO & m->pflags)) |
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return(man_verr(m, ln, 0, |
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"unknown macro: %s%s", |
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buf, strlen(buf) > 3 ? "..." : "")); |
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return(man_vwarn(m, ln, 0, "unknown macro: %s%s", |
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buf, strlen(buf) > 3 ? "..." : "")); |
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} |
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int |
int |
man_pmacro(struct man *m, int ln, char *buf) |
man_pmacro(struct man *m, int ln, char *buf) |
{ |
{ |
int i, j, c, ppos, fl; |
int i, j, c, ppos, fl; |
char mac[5]; |
char mac[5]; |
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struct man_node *n; |
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/* Comments and empties are quickly ignored. */ |
/* Comments and empties are quickly ignored. */ |
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Line 420 man_pmacro(struct man *m, int ln, char *buf) |
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Line 501 man_pmacro(struct man *m, int ln, char *buf) |
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break; |
break; |
else if (' ' == buf[i]) |
else if (' ' == buf[i]) |
break; |
break; |
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/* Check for invalid characters. */ |
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if (isgraph((u_char)buf[i])) |
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continue; |
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return(man_perr(m, ln, i, WNPRINT)); |
} |
} |
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mac[j] = 0; |
mac[j] = 0; |
Line 434 man_pmacro(struct man *m, int ln, char *buf) |
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Line 521 man_pmacro(struct man *m, int ln, char *buf) |
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return(1); |
return(1); |
} |
} |
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if (MAN_MAX == (c = man_hash_find(m->htab, mac))) { |
if (MAN_MAX == (c = man_hash_find(mac))) { |
if ( ! (MAN_IGN_MACRO & m->pflags)) { |
if ( ! macrowarn(m, ln, mac)) |
(void)man_perr(m, ln, ppos, WMACRO); |
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goto err; |
goto err; |
} |
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if ( ! man_pwarn(m, ln, ppos, WMACRO)) |
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goto err; |
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return(1); |
return(1); |
} |
} |
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Line 449 man_pmacro(struct man *m, int ln, char *buf) |
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Line 532 man_pmacro(struct man *m, int ln, char *buf) |
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while (buf[i] && ' ' == buf[i]) |
while (buf[i] && ' ' == buf[i]) |
i++; |
i++; |
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/* Remove prior ELINE macro, if applicable. */ |
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if (m->flags & MAN_ELINE) { |
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n = m->last; |
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assert(NULL == n->child); |
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assert(0 == n->nchild); |
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if ( ! man_nwarn(m, n, WLNSCOPE)) |
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return(0); |
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if (n->prev) { |
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assert(n != n->parent->child); |
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assert(n == n->prev->next); |
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n->prev->next = NULL; |
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m->last = n->prev; |
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m->next = MAN_NEXT_SIBLING; |
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} else { |
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assert(n == n->parent->child); |
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n->parent->child = NULL; |
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m->last = n->parent; |
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m->next = MAN_NEXT_CHILD; |
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} |
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man_node_free(n); |
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m->flags &= ~MAN_ELINE; |
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} |
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/* Begin recursive parse sequence. */ |
/* Begin recursive parse sequence. */ |
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assert(man_macros[c].fp); |
assert(man_macros[c].fp); |
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return(1); |
return(1); |
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/* Close out the block scope opened in the prior line. */ |
/* Close out the block scope opened in the prior line. */ |
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/* XXX - this should be in man_action.c. */ |
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assert(MAN_BLINE & m->flags); |
assert(MAN_BLINE & m->flags); |
m->flags &= ~MAN_BLINE; |
m->flags &= ~MAN_BLINE; |