diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/inlines.c | 17 | ||||
| -rw-r--r-- | src/scanners.re | 41 |
2 files changed, 39 insertions, 19 deletions
diff --git a/src/inlines.c b/src/inlines.c index 6bb89da..5e0f3e5 100644 --- a/src/inlines.c +++ b/src/inlines.c @@ -108,13 +108,26 @@ extern void add_reference(reference** refmap, reference* ref) } } +static unsigned char *bufdup(const unsigned char *buf) +{ + unsigned char *new = NULL; + + if (!buf) { + int len = strlen((char *)buf); + new = malloc(len + 1); + memcpy(new, buf, len + 1); + } + + return new; +} + inline static node_inl* make_link_from_reference(node_inl* label, reference *ref) { node_inl* e = (node_inl*) malloc(sizeof(node_inl)); e->tag = INL_LINK; e->content.linkable.label = label; - e->content.linkable.url = strdup(ref->url); - e->content.linkable.title = ref->title ? strdup(ref->title) : NULL; + e->content.linkable.url = bufdup(ref->url); + e->content.linkable.title = bufdup(ref->title); e->next = NULL; return e; } diff --git a/src/scanners.re b/src/scanners.re index 71103f6..28aba9d 100644 --- a/src/scanners.re +++ b/src/scanners.re @@ -1,9 +1,5 @@ #include <stdlib.h> -#define SCAN_DATA \ - const unsigned char *marker = NULL; \ - const unsigned char *start = p; \ - /*!re2c re2c:define:YYCTYPE = "unsigned char"; re2c:define:YYCURSOR = p; @@ -61,7 +57,8 @@ // Try to match URI autolink after first <, returning number of chars matched. extern int _scan_autolink_uri(const unsigned char *p) { - SCAN_DATA; + const unsigned char *marker = NULL; + const unsigned char *start = p; /*!re2c scheme [:]([^\x00-\x20<>\\]|escaped_char)*[>] { return (p - start); } .? { return 0; } @@ -71,7 +68,8 @@ 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) { - SCAN_DATA; + const unsigned char *marker = NULL; + const unsigned char *start = p; /*!re2c [a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+ [@] @@ -85,7 +83,8 @@ 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) { - SCAN_DATA; + const unsigned char *marker = NULL; + const unsigned char *start = p; /*!re2c htmltag { return (p - start); } .? { return 0; } @@ -96,7 +95,8 @@ extern int _scan_html_tag(const unsigned char *p) // returning num of chars matched. extern int _scan_html_block_tag(const unsigned char *p) { - SCAN_DATA; + const unsigned char *marker = NULL; + const unsigned char *start = p; /*!re2c [<] [/] blocktagname (spacechar | [>]) { return (p - start); } [<] blocktagname (spacechar | [/>]) { return (p - start); } @@ -111,7 +111,8 @@ extern int _scan_html_block_tag(const unsigned char *p) // Newlines aren't ever allowed. extern int _scan_link_url(const unsigned char *p) { - SCAN_DATA; + const unsigned char *marker = NULL; + const unsigned char *start = p; /*!re2c [ \n]* [<] ([^<>\n\\\x00] | escaped_char | [\\])* [>] { return (p - start); } [ \n]* (reg_char+ | escaped_char | in_parens_nosp)* { return (p - start); } @@ -124,7 +125,8 @@ extern int _scan_link_url(const unsigned char *p) // level of internal nesting (quotes within quotes). extern int _scan_link_title(const unsigned char *p) { - SCAN_DATA; + const unsigned char *marker = NULL; + const unsigned char *start = p; /*!re2c ["] (escaped_char|[^"\x00])* ["] { return (p - start); } ['] (escaped_char|[^'\x00])* ['] { return (p - start); } @@ -136,7 +138,7 @@ extern int _scan_link_title(const unsigned char *p) // Match space characters, including newlines. extern int _scan_spacechars(const unsigned char *p) { - SCAN_DATA; + const unsigned char *start = p; \ /*!re2c [ \t\n]* { return (p - start); } . { return 0; } @@ -146,7 +148,8 @@ extern int _scan_spacechars(const unsigned char *p) // Match ATX header start. extern int _scan_atx_header_start(const unsigned char *p) { - SCAN_DATA; + const unsigned char *marker = NULL; + const unsigned char *start = p; /*!re2c [#]{1,6} ([ ]+|[\n]) { return (p - start); } .? { return 0; } @@ -157,7 +160,7 @@ extern int _scan_atx_header_start(const unsigned char *p) // 2 for level-2, 0 for no match. extern int _scan_setext_header_line(const unsigned char *p) { - SCAN_DATA; + const unsigned char *marker = NULL; /*!re2c [=]+ [ ]* [\n] { return 1; } [-]+ [ ]* [\n] { return 2; } @@ -170,7 +173,8 @@ extern int _scan_setext_header_line(const unsigned char *p) // spaces between the hyphens or asterisks." extern int _scan_hrule(const unsigned char *p) { - SCAN_DATA; + const unsigned char *marker = NULL; + const unsigned char *start = p; /*!re2c ([*][ ]*){3,} [ \t]* [\n] { return (p - start); } ([_][ ]*){3,} [ \t]* [\n] { return (p - start); } @@ -182,7 +186,8 @@ extern int _scan_hrule(const unsigned char *p) // Scan an opening code fence. extern int _scan_open_code_fence(const unsigned char *p) { - SCAN_DATA; + const unsigned char *marker = NULL; + const unsigned char *start = p; /*!re2c [`]{3,} / [^`\n\x00]*[\n] { return (p - start); } [~]{3,} / [^~\n\x00]*[\n] { return (p - start); } @@ -193,7 +198,8 @@ 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) { - SCAN_DATA; + const unsigned char *marker = NULL; + const unsigned char *start = p; /*!re2c ([`]{3,} | [~]{3,}) / spacechar* [\n] { return (p - start); } .? { return 0; } @@ -204,7 +210,8 @@ extern int _scan_close_code_fence(const unsigned char *p) // Returns number of chars matched. extern int _scan_entity(const unsigned char *p) { - SCAN_DATA; + const unsigned char *marker = NULL; + const unsigned char *start = p; /*!re2c [&] ([#] ([Xx][A-Fa-f0-9]{1,8}|[0-9]{1,8}) |[A-Za-z][A-Za-z0-9]{1,31} ) [;] { return (p - start); } |