version 1.51, 2010/05/16 01:16:25 |
version 1.52, 2010/05/16 20:46:15 |
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static int |
static int |
mdoc_ptext(struct mdoc *m, int line, char *buf) |
mdoc_ptext(struct mdoc *m, int line, char *buf) |
{ |
{ |
int i; |
char *c, *ws, *end; |
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/* Ignore bogus comments. */ |
/* Ignore bogus comments. */ |
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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, 0, ETEXTPROL)); |
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/* Literal just gets pulled in as-is. */ |
/* |
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* Search for the beginning of unescaped trailing whitespace (ws) |
if (MDOC_LITERAL & m->flags) |
* and for the first character not to be output (end). |
return(mdoc_word_alloc(m, line, 0, buf)); |
*/ |
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ws = NULL; |
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for (c = end = buf; *c; c++) { |
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switch (*c) { |
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case ' ': |
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if (NULL == ws) |
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ws = c; |
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continue; |
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case '\t': |
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/* |
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* Always warn about trailing tabs, |
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* even outside literal context, |
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* where they should be put on the next line. |
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*/ |
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if (NULL == ws) |
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ws = c; |
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/* |
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* Strip trailing tabs in literal context only; |
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* outside, they affect the next line. |
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*/ |
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if (MDOC_LITERAL & m->flags) |
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continue; |
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break; |
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case '\\': |
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/* Skip the escaped character, too, if any. */ |
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if (c[1]) |
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c++; |
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/* FALLTHROUGH */ |
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default: |
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ws = NULL; |
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break; |
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} |
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end = c + 1; |
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} |
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*end = '\0'; |
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/* Check for a blank line, which may also consist of spaces. */ |
if (ws) |
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if ( ! mdoc_pwarn(m, line, (int)(ws-buf), ETAILWS)) |
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return(0); |
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for (i = 0; ' ' == buf[i]; i++) |
if ('\0' == *buf && ! (MDOC_LITERAL & m->flags)) { |
/* Skip to first non-space. */ ; |
if ( ! mdoc_pwarn(m, line, (int)(c-buf), ENOBLANK)) |
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if ('\0' == buf[i]) { |
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if ( ! mdoc_pwarn(m, line, 0, ENOBLANK)) |
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return(0); |
return(0); |
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/* |
/* |
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return(1); |
return(1); |
} |
} |
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/* |
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* Warn if the last un-escaped character is whitespace. Then |
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* strip away the remaining spaces (tabs stay!). |
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*/ |
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i = (int)strlen(buf); |
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assert(i); |
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if (' ' == buf[i - 1] || '\t' == buf[i - 1]) { |
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if (i > 1 && '\\' != buf[i - 2]) |
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if ( ! mdoc_pwarn(m, line, i - 1, ETAILWS)) |
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return(0); |
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for (--i; i && ' ' == buf[i]; i--) |
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/* Spin back to non-space. */ ; |
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/* Jump ahead of escaped whitespace. */ |
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i += '\\' == buf[i] ? 2 : 1; |
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buf[i] = '\0'; |
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} |
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/* Allocate the whole word. */ |
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if ( ! mdoc_word_alloc(m, line, 0, buf)) |
if ( ! mdoc_word_alloc(m, line, 0, buf)) |
return(0); |
return(0); |
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if (MDOC_LITERAL & m->flags) |
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return(1); |
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/* |
/* |
* End-of-sentence check. If the last character is an unescaped |
* End-of-sentence check. If the last character is an unescaped |
* EOS character, then flag the node as being the end of a |
* EOS character, then flag the node as being the end of a |
* sentence. The front-end will know how to interpret this. |
* sentence. The front-end will know how to interpret this. |
*/ |
*/ |
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assert(i); |
assert(buf < end); |
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if (mandoc_eos(buf, (size_t)i)) |
if (mandoc_eos(buf, (size_t)(end-buf))) |
m->last->flags |= MDOC_EOS; |
m->last->flags |= MDOC_EOS; |
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return(1); |
return(1); |