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markdown: just parse a language in code fences!

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stop that special {} block syntax.
just take the first token (minus whitespace) and use that as language.
if line has more tokens, ignore them and return valid.
This commit is contained in:
Xavier Mendez 2014-01-05 22:05:58 +01:00
parent 80df1df75f
commit 0b93aed508
1 changed files with 16 additions and 42 deletions
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58
src/markdown.c
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@ -1354,59 +1354,33 @@ prefix_codefence(uint8_t *data, size_t size)
/* check if a line is a code fence; return its size if it is */
static size_t
is_codefence(uint8_t *data, size_t size, hoedown_buffer *syntax)
is_codefence(uint8_t *data, size_t size, hoedown_buffer *lang)
{
size_t i = 0, syn_len = 0;
uint8_t *syn_start;
size_t i = 0, lang_start;
// restrict to the current line (including \n)
size--;
while (i < size && data[i++] != '\n');
size = i;
i = prefix_codefence(data, size);
if (i == 0)
return 0;
while (i < size && data[i] == ' ')
i++;
if (lang) {
while (i < size && _isspace(data[i]))
i++;
syn_start = data + i;
lang_start = i;
if (i < size && data[i] == '{') {
i++; syn_start++;
while (i < size && !_isspace(data[i]))
i++;
while (i < size && data[i] != '}' && data[i] != '\n') {
syn_len++; i++;
}
if (i == size || data[i] != '}')
return 0;
/* strip all whitespace at the beginning and the end
* of the {} block */
while (syn_len > 0 && _isspace(syn_start[0])) {
syn_start++; syn_len--;
}
while (syn_len > 0 && _isspace(syn_start[syn_len - 1]))
syn_len--;
i++;
} else {
while (i < size && !_isspace(data[i])) {
syn_len++; i++;
}
lang->data = data + lang_start;
lang->size = i - lang_start;
}
if (syntax) {
syntax->data = syn_start;
syntax->size = syn_len;
}
while (i < size && data[i] != '\n') {
if (!_isspace(data[i]))
return 0;
i++;
}
return i + 1;
return size;
}
/* is_atxheader • returns whether the line is a hash-prefixed header */