diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/scanners.h | 66 | ||||
| -rw-r--r-- | src/scanners.re | 40 |
2 files changed, 54 insertions, 52 deletions
diff --git a/src/scanners.h b/src/scanners.h index 86dbcf5..243a970 100644 --- a/src/scanners.h +++ b/src/scanners.h @@ -1,42 +1,30 @@ #include "cmark.h" -extern int _scan_autolink_uri(const unsigned char *p); -extern int _scan_autolink_email(const unsigned char *p); -extern int _scan_html_tag(const unsigned char *p); -extern int _scan_html_block_tag(const unsigned char *p); -extern int _scan_link_url(const unsigned char *p); -extern int _scan_link_title(const unsigned char *p); -extern int _scan_spacechars(const unsigned char *p); -extern int _scan_atx_header_start(const unsigned char *p); -extern int _scan_setext_header_line(const unsigned char *p); -extern int _scan_hrule(const unsigned char *p); -extern int _scan_open_code_fence(const unsigned char *p); -extern int _scan_close_code_fence(const unsigned char *p); -extern int _scan_entity(const unsigned char *p); +int _scan_at(int (*scanner)(const unsigned char *), chunk *c, int offset); +int _scan_autolink_uri(const unsigned char *p); +int _scan_autolink_email(const unsigned char *p); +int _scan_html_tag(const unsigned char *p); +int _scan_html_block_tag(const unsigned char *p); +int _scan_link_url(const unsigned char *p); +int _scan_link_title(const unsigned char *p); +int _scan_spacechars(const unsigned char *p); +int _scan_atx_header_start(const unsigned char *p); +int _scan_setext_header_line(const unsigned char *p); +int _scan_hrule(const unsigned char *p); +int _scan_open_code_fence(const unsigned char *p); +int _scan_close_code_fence(const unsigned char *p); +int _scan_entity(const unsigned char *p); -static int scan_at(int (*scanner)(const unsigned char *), chunk *c, int offset) -{ - int res; - unsigned char *ptr = (unsigned char *)c->data; - unsigned char lim = ptr[c->len]; - - ptr[c->len] = '\0'; - res = scanner(ptr + offset); - ptr[c->len] = lim; - - return res; -} - -#define scan_autolink_uri(c, n) scan_at(&_scan_autolink_uri, c, n) -#define scan_autolink_email(c, n) scan_at(&_scan_autolink_email, c, n) -#define scan_html_tag(c, n) scan_at(&_scan_html_tag, c, n) -#define scan_html_block_tag(c, n) scan_at(&_scan_html_block_tag, c, n) -#define scan_link_url(c, n) scan_at(&_scan_link_url, c, n) -#define scan_link_title(c, n) scan_at(&_scan_link_title, c, n) -#define scan_spacechars(c, n) scan_at(&_scan_spacechars, c, n) -#define scan_atx_header_start(c, n) scan_at(&_scan_atx_header_start, c, n) -#define scan_setext_header_line(c, n) scan_at(&_scan_setext_header_line, c, n) -#define scan_hrule(c, n) scan_at(&_scan_hrule, c, n) -#define scan_open_code_fence(c, n) scan_at(&_scan_open_code_fence, c, n) -#define scan_close_code_fence(c, n) scan_at(&_scan_close_code_fence, c, n) -#define scan_entity(c, n) scan_at(&_scan_entity, c, n) +#define scan_autolink_uri(c, n) _scan_at(&_scan_autolink_uri, c, n) +#define scan_autolink_email(c, n) _scan_at(&_scan_autolink_email, c, n) +#define scan_html_tag(c, n) _scan_at(&_scan_html_tag, c, n) +#define scan_html_block_tag(c, n) _scan_at(&_scan_html_block_tag, c, n) +#define scan_link_url(c, n) _scan_at(&_scan_link_url, c, n) +#define scan_link_title(c, n) _scan_at(&_scan_link_title, c, n) +#define scan_spacechars(c, n) _scan_at(&_scan_spacechars, c, n) +#define scan_atx_header_start(c, n) _scan_at(&_scan_atx_header_start, c, n) +#define scan_setext_header_line(c, n) _scan_at(&_scan_setext_header_line, c, n) +#define scan_hrule(c, n) _scan_at(&_scan_hrule, c, n) +#define scan_open_code_fence(c, n) _scan_at(&_scan_open_code_fence, c, n) +#define scan_close_code_fence(c, n) _scan_at(&_scan_close_code_fence, c, n) +#define scan_entity(c, n) _scan_at(&_scan_entity, c, n) diff --git a/src/scanners.re b/src/scanners.re index 5ec1bf3..3dba1f0 100644 --- a/src/scanners.re +++ b/src/scanners.re @@ -1,4 +1,18 @@ #include <stdlib.h> +#include "chunk.h" + +int _scan_at(int (*scanner)(const unsigned char *), chunk *c, int offset) +{ + int res; + unsigned char *ptr = (unsigned char *)c->data; + unsigned char lim = ptr[c->len]; + + ptr[c->len] = '\0'; + res = scanner(ptr + offset); + ptr[c->len] = lim; + + return res; +} /*!re2c re2c:define:YYCTYPE = "unsigned char"; @@ -55,7 +69,7 @@ */ // Try to match URI autolink after first <, returning number of chars matched. -extern int _scan_autolink_uri(const unsigned char *p) +int _scan_autolink_uri(const unsigned char *p) { const unsigned char *marker = NULL; const unsigned char *start = p; @@ -66,7 +80,7 @@ extern int _scan_autolink_uri(const unsigned char *p) } // Try to match email autolink after first <, returning num of chars matched. -extern int _scan_autolink_email(const unsigned char *p) +int _scan_autolink_email(const unsigned char *p) { const unsigned char *marker = NULL; const unsigned char *start = p; @@ -81,7 +95,7 @@ extern int _scan_autolink_email(const unsigned char *p) } // Try to match an HTML tag after first <, returning num of chars matched. -extern int _scan_html_tag(const unsigned char *p) +int _scan_html_tag(const unsigned char *p) { const unsigned char *marker = NULL; const unsigned char *start = p; @@ -93,7 +107,7 @@ extern int _scan_html_tag(const unsigned char *p) // Try to match an HTML block tag including first <, // returning num of chars matched. -extern int _scan_html_block_tag(const unsigned char *p) +int _scan_html_block_tag(const unsigned char *p) { const unsigned char *marker = NULL; const unsigned char *start = p; @@ -109,7 +123,7 @@ extern int _scan_html_block_tag(const unsigned char *p) // This may optionally be contained in <..>; otherwise // whitespace and unbalanced right parentheses aren't allowed. // Newlines aren't ever allowed. -extern int _scan_link_url(const unsigned char *p) +int _scan_link_url(const unsigned char *p) { const unsigned char *marker = NULL; const unsigned char *start = p; @@ -123,7 +137,7 @@ extern int _scan_link_url(const unsigned char *p) // Try to match a link title (in single quotes, in double quotes, or // in parentheses), returning number of chars matched. Allow one // level of internal nesting (quotes within quotes). -extern int _scan_link_title(const unsigned char *p) +int _scan_link_title(const unsigned char *p) { const unsigned char *marker = NULL; const unsigned char *start = p; @@ -136,7 +150,7 @@ extern int _scan_link_title(const unsigned char *p) } // Match space characters, including newlines. -extern int _scan_spacechars(const unsigned char *p) +int _scan_spacechars(const unsigned char *p) { const unsigned char *start = p; \ /*!re2c @@ -146,7 +160,7 @@ extern int _scan_spacechars(const unsigned char *p) } // Match ATX header start. -extern int _scan_atx_header_start(const unsigned char *p) +int _scan_atx_header_start(const unsigned char *p) { const unsigned char *marker = NULL; const unsigned char *start = p; @@ -158,7 +172,7 @@ extern int _scan_atx_header_start(const unsigned char *p) // Match sexext header line. Return 1 for level-1 header, // 2 for level-2, 0 for no match. -extern int _scan_setext_header_line(const unsigned char *p) +int _scan_setext_header_line(const unsigned char *p) { const unsigned char *marker = NULL; /*!re2c @@ -171,7 +185,7 @@ extern int _scan_setext_header_line(const unsigned char *p) // Scan a horizontal rule line: "...three or more hyphens, asterisks, // or underscores on a line by themselves. If you wish, you may use // spaces between the hyphens or asterisks." -extern int _scan_hrule(const unsigned char *p) +int _scan_hrule(const unsigned char *p) { const unsigned char *marker = NULL; const unsigned char *start = p; @@ -184,7 +198,7 @@ extern int _scan_hrule(const unsigned char *p) } // Scan an opening code fence. -extern int _scan_open_code_fence(const unsigned char *p) +int _scan_open_code_fence(const unsigned char *p) { const unsigned char *marker = NULL; const unsigned char *start = p; @@ -196,7 +210,7 @@ extern int _scan_open_code_fence(const unsigned char *p) } // Scan a closing code fence with length at least len. -extern int _scan_close_code_fence(const unsigned char *p) +int _scan_close_code_fence(const unsigned char *p) { const unsigned char *marker = NULL; const unsigned char *start = p; @@ -208,7 +222,7 @@ extern int _scan_close_code_fence(const unsigned char *p) // Scans an entity. // Returns number of chars matched. -extern int _scan_entity(const unsigned char *p) +int _scan_entity(const unsigned char *p) { const unsigned char *marker = NULL; const unsigned char *start = p; |