version 1.52, 2010/05/16 20:46:15 |
version 1.53, 2010/05/20 00:58:02 |
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enum mdoct, enum mdoc_type); |
enum mdoct, enum mdoc_type); |
static int node_append(struct mdoc *, |
static int node_append(struct mdoc *, |
struct mdoc_node *); |
struct mdoc_node *); |
static int mdoc_ptext(struct mdoc *, int, char *); |
static int mdoc_ptext(struct mdoc *, int, char *, int); |
static int mdoc_pmacro(struct mdoc *, int, char *); |
static int mdoc_pmacro(struct mdoc *, int, char *, int); |
static int macrowarn(struct mdoc *, int, const char *); |
static int macrowarn(struct mdoc *, int, |
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const char *, int); |
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const struct mdoc_node * |
const struct mdoc_node * |
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* the macro (mdoc_pmacro()) or text parser (mdoc_ptext()). |
* the macro (mdoc_pmacro()) or text parser (mdoc_ptext()). |
*/ |
*/ |
int |
int |
mdoc_parseln(struct mdoc *m, int ln, char *buf) |
mdoc_parseln(struct mdoc *m, int ln, char *buf, int offs) |
{ |
{ |
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if (MDOC_HALT & m->flags) |
if (MDOC_HALT & m->flags) |
return(0); |
return(0); |
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m->flags |= MDOC_NEWLINE; |
m->flags |= MDOC_NEWLINE; |
return(('.' == *buf || '\'' == *buf) ? |
return(('.' == buf[offs] || '\'' == buf[offs]) ? |
mdoc_pmacro(m, ln, buf) : |
mdoc_pmacro(m, ln, buf, offs) : |
mdoc_ptext(m, ln, buf)); |
mdoc_ptext(m, ln, buf, offs)); |
} |
} |
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* control character. |
* control character. |
*/ |
*/ |
static int |
static int |
mdoc_ptext(struct mdoc *m, int line, char *buf) |
mdoc_ptext(struct mdoc *m, int line, char *buf, int offs) |
{ |
{ |
char *c, *ws, *end; |
char *c, *ws, *end; |
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/* Ignore bogus comments. */ |
/* Ignore bogus comments. */ |
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if ('\\' == buf[0] && '.' == buf[1] && '\"' == buf[2]) |
if ('\\' == buf[offs] && |
return(mdoc_pwarn(m, line, 0, EBADCOMMENT)); |
'.' == buf[offs + 1] && |
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'"' == buf[offs + 2]) |
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return(mdoc_pwarn(m, line, offs, EBADCOMMENT)); |
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/* No text before an initial macro. */ |
/* No text before an initial macro. */ |
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if (SEC_NONE == m->lastnamed) |
if (SEC_NONE == m->lastnamed) |
return(mdoc_perr(m, line, 0, ETEXTPROL)); |
return(mdoc_perr(m, line, offs, ETEXTPROL)); |
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/* |
/* |
* Search for the beginning of unescaped trailing whitespace (ws) |
* Search for the beginning of unescaped trailing whitespace (ws) |
* and for the first character not to be output (end). |
* and for the first character not to be output (end). |
*/ |
*/ |
ws = NULL; |
ws = NULL; |
for (c = end = buf; *c; c++) { |
for (c = end = buf + offs; *c; c++) { |
switch (*c) { |
switch (*c) { |
case ' ': |
case ' ': |
if (NULL == ws) |
if (NULL == ws) |
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if ( ! mdoc_pwarn(m, line, (int)(ws-buf), ETAILWS)) |
if ( ! mdoc_pwarn(m, line, (int)(ws-buf), ETAILWS)) |
return(0); |
return(0); |
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if ('\0' == *buf && ! (MDOC_LITERAL & m->flags)) { |
if ('\0' == buf[offs] && ! (MDOC_LITERAL & m->flags)) { |
if ( ! mdoc_pwarn(m, line, (int)(c-buf), ENOBLANK)) |
if ( ! mdoc_pwarn(m, line, (int)(c-buf), ENOBLANK)) |
return(0); |
return(0); |
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* blank lines aren't allowed, but enough manuals assume this |
* blank lines aren't allowed, but enough manuals assume this |
* behaviour that we want to work around it. |
* behaviour that we want to work around it. |
*/ |
*/ |
if ( ! mdoc_elem_alloc(m, line, 0, MDOC_Pp, NULL)) |
if ( ! mdoc_elem_alloc(m, line, offs, MDOC_Pp, NULL)) |
return(0); |
return(0); |
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m->next = MDOC_NEXT_SIBLING; |
m->next = MDOC_NEXT_SIBLING; |
return(1); |
return(1); |
} |
} |
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if ( ! mdoc_word_alloc(m, line, 0, buf)) |
if ( ! mdoc_word_alloc(m, line, offs, buf+offs)) |
return(0); |
return(0); |
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if (MDOC_LITERAL & m->flags) |
if (MDOC_LITERAL & m->flags) |
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assert(buf < end); |
assert(buf < end); |
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if (mandoc_eos(buf, (size_t)(end-buf))) |
if (mandoc_eos(buf+offs, (size_t)(end-buf-offs))) |
m->last->flags |= MDOC_EOS; |
m->last->flags |= MDOC_EOS; |
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return(1); |
return(1); |
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static int |
static int |
macrowarn(struct mdoc *m, int ln, const char *buf) |
macrowarn(struct mdoc *m, int ln, const char *buf, int offs) |
{ |
{ |
if ( ! (MDOC_IGN_MACRO & m->pflags)) |
if ( ! (MDOC_IGN_MACRO & m->pflags)) |
return(mdoc_verr(m, ln, 0, "unknown macro: %s%s", |
return(mdoc_verr(m, ln, offs, "unknown macro: %s%s", |
buf, strlen(buf) > 3 ? "..." : "")); |
buf, strlen(buf) > 3 ? "..." : "")); |
return(mdoc_vwarn(m, ln, 0, "unknown macro: %s%s", |
return(mdoc_vwarn(m, ln, offs, "unknown macro: %s%s", |
buf, strlen(buf) > 3 ? "..." : "")); |
buf, strlen(buf) > 3 ? "..." : "")); |
} |
} |
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* character. |
* character. |
*/ |
*/ |
int |
int |
mdoc_pmacro(struct mdoc *m, int ln, char *buf) |
mdoc_pmacro(struct mdoc *m, int ln, char *buf, int offs) |
{ |
{ |
enum mdoct tok; |
enum mdoct tok; |
int i, j, sv; |
int i, j, sv; |
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/* Empty lines are ignored. */ |
/* Empty lines are ignored. */ |
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if ('\0' == buf[1]) |
offs++; |
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if ('\0' == buf[offs]) |
return(1); |
return(1); |
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i = 1; |
i = offs; |
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/* Accept whitespace after the initial control char. */ |
/* Accept whitespace after the initial control char. */ |
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return(mdoc_perr(m, ln, i, EPRINT)); |
return(mdoc_perr(m, ln, i, EPRINT)); |
} |
} |
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mac[j] = 0; |
mac[j] = '\0'; |
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if (j == 4 || j < 2) { |
if (j == 4 || j < 2) { |
if ( ! macrowarn(m, ln, mac)) |
if ( ! macrowarn(m, ln, mac, sv)) |
goto err; |
goto err; |
return(1); |
return(1); |
} |
} |
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if (MDOC_MAX == (tok = mdoc_hash_find(mac))) { |
if (MDOC_MAX == (tok = mdoc_hash_find(mac))) { |
if ( ! macrowarn(m, ln, mac)) |
if ( ! macrowarn(m, ln, mac, sv)) |
goto err; |
goto err; |
return(1); |
return(1); |
} |
} |