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-rw-r--r--src/scanners.h66
-rw-r--r--src/scanners.re40
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;