diff options
Diffstat (limited to 'src/smart.c')
| -rw-r--r-- | src/smart.c | 174 |
1 files changed, 0 insertions, 174 deletions
diff --git a/src/smart.c b/src/smart.c deleted file mode 100644 index cb67448..0000000 --- a/src/smart.c +++ /dev/null @@ -1,174 +0,0 @@ -#include <stdlib.h> -#include <stdio.h> -#include <string.h> -#include <assert.h> - -#include "config.h" -#include "cmark.h" -#include "node.h" -#include "utf8.h" -#include "buffer.h" -#include "chunk.h" - -static const char SMART_PUNCT_TABLE[] = { - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -}; - -void escape_with_smart(cmark_strbuf *buf, - cmark_node *node, - void (*escape)(cmark_strbuf *, const unsigned char *, int), - const char *left_double_quote, - const char *right_double_quote, - const char *left_single_quote, - const char *right_single_quote, - const char *em_dash, - const char *en_dash, - const char *ellipses) -{ - char c; - int32_t after_char = 0; - int32_t before_char = 0; - bool left_flanking, right_flanking; - int lastout = 0; - int i = 0, j = 0; - cmark_chunk lit = node->as.literal; - int len; - - while (i < lit.len) { - c = lit.data[i]; - i++; - if (SMART_PUNCT_TABLE[(int)c] == 0) { - continue; - } - - if (i - 1 - lastout > 0) { - (*escape)(buf, lit.data + lastout, i - 1 - lastout); - } - - if (c == 34 || c == 39) { - if (i == 1) { - // set before_char based on previous text node if there is one: - if (node->prev) { - if (node->prev->type == CMARK_NODE_TEXT) { - - // walk to the beginning of the UTF_8 sequence: - j = node->prev->as.literal.len - 1; - while (j > 0 && - node->prev->as.literal.data[j] >> 6 == 2) { - j--; - } - len = utf8proc_iterate(node->prev->as.literal.data + i, - node->prev->as.literal.len - i, - &before_char); - if (len == -1) { - before_char = 10; - } - - } else if (node->prev->type == CMARK_NODE_SOFTBREAK || - node->prev->type == CMARK_NODE_LINEBREAK) { - before_char = 10; - - } else { - before_char = 65; - } - } else { - before_char = 10; - } - } else { - j = i - 2; - // walk back to the beginning of the UTF_8 sequence: - while (j > 0 && lit.data[j] >> 6 == 2) { - j--; - } - utf8proc_iterate(lit.data + j, lit.len - j, &before_char); - } - - if (i >= lit.len) { - if (node->next) { - if (node->next->type == CMARK_NODE_TEXT) { - utf8proc_iterate(node->next->as.literal.data, - node->next->as.literal.len, - &after_char); - } else if (node->next->type == CMARK_NODE_SOFTBREAK || - node->next->type == CMARK_NODE_LINEBREAK) { - after_char = 10; - } else { - after_char = 65; - } - } else { - after_char = 10; - } - } else { - utf8proc_iterate(lit.data + i, lit.len - i, &after_char); - } - - left_flanking = !utf8proc_is_space(after_char) && - !(utf8proc_is_punctuation(after_char) && - !utf8proc_is_space(before_char) && - !utf8proc_is_punctuation(before_char)); - right_flanking = !utf8proc_is_space(before_char) && - !(utf8proc_is_punctuation(before_char) && - !utf8proc_is_space(after_char) && - !utf8proc_is_punctuation(after_char)); - } - - switch (c) { - case '"': - if (right_flanking) { - cmark_strbuf_puts(buf, right_double_quote); - } else { - cmark_strbuf_puts(buf, left_double_quote); - } - break; - case '\'': - if (left_flanking && !right_flanking) { - cmark_strbuf_puts(buf, left_single_quote); - } else { - cmark_strbuf_puts(buf, right_single_quote); - } - break; - case '-': - if (i < lit.len && lit.data[i] == '-') { - if (lit.data[i + 1] == '-') { - cmark_strbuf_puts(buf, em_dash); - i += 2; - } else { - cmark_strbuf_puts(buf, en_dash); - i += 1; - } - } else { - cmark_strbuf_putc(buf, c); - } - break; - case '.': - if (i < lit.len - 1 && lit.data[i] == '.' && - lit.data[i + 1] == '.') { - cmark_strbuf_puts(buf, ellipses); - i += 2; - } else { - cmark_strbuf_putc(buf, c); - } - break; - default: - cmark_strbuf_putc(buf, c); - } - lastout = i; - } - (*escape)(buf, node->as.literal.data + lastout, lit.len - lastout); - -} |