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add the new runtime flag ALT_AS_TITLE; if an image has no title, use the alt text as the title

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david parsons
2023-02-21 11:03:12 -08:00
parent 5d13c2828d
commit faa5150346
5 changed files with 13 additions and 4 deletions
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flags.c
+1
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@@ -37,6 +37,7 @@ static struct flagnames flagnames[] = {
{ MKD_URLENCODEDANCHOR, "URLENCODEDANCHOR" }, { MKD_URLENCODEDANCHOR, "URLENCODEDANCHOR" },
{ MKD_LATEX, "LATEX" }, { MKD_LATEX, "LATEX" },
{ MKD_EXPLICITLIST, "EXPLICITLIST" }, { MKD_EXPLICITLIST, "EXPLICITLIST" },
{ MKD_ALT_AS_TITLE, "ALT_AS_TITLE" },
}; };
#define NR(x) (sizeof x/sizeof x[0]) #define NR(x) (sizeof x/sizeof x[0])
generate.c
+9 -4
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@@ -559,7 +559,9 @@ typedef struct linkytype {
} linkytype; } linkytype;
static linkytype imaget = { 0, 0, "<img src=\"", "\"", static linkytype imaget = { 0, 0, "<img src=\"", "\"",
1, " alt=\"", "\" />", { { [MKD_NOIMAGE] = 1, [MKD_TAGTEXT] = 1} }, IS_URL }; 1, " alt=\"", "\" />", { { [MKD_NOIMAGE] = 1,
[MKD_TAGTEXT] = 1,
[MKD_ALT_AS_TITLE] = 1 } }, IS_URL };
static linkytype linkt = { 0, 0, "<a href=\"", "\"", static linkytype linkt = { 0, 0, "<a href=\"", "\"",
0, ">", "</a>", { {[MKD_NOLINKS] = 1} }, IS_URL }; 0, ">", "</a>", { {[MKD_NOLINKS] = 1} }, IS_URL };
@@ -652,7 +654,7 @@ extra_linky(MMIOT *f, Cstring text, Footnote *ref)
if ( ref->fn_flags & REFERENCED ) if ( ref->fn_flags & REFERENCED )
return 0; return 0;
if ( is_flag_set(&f->flags,IS_LABEL) ) if ( is_flag_set(&f->flags, IS_LABEL) )
___mkd_reparse(T(text), S(text), &(linkt.flags), f, 0); ___mkd_reparse(T(text), S(text), &(linkt.flags), f, 0);
else { else {
ref->fn_flags |= REFERENCED; ref->fn_flags |= REFERENCED;
@@ -728,9 +730,12 @@ linkyformat(MMIOT *f, Cstring text, int image, Footnote *ref)
if ( ref->width ) Qprintf(f, " width=\"%d\"", ref->width); if ( ref->width ) Qprintf(f, " width=\"%d\"", ref->width);
} }
if ( S(ref->title) ) { if ( S(ref->title) || (is_flag_set(&f->flags, MKD_ALT_AS_TITLE) && is_flag_set(&tag->flags, MKD_ALT_AS_TITLE)) ) {
Qstring(" title=\"", f); Qstring(" title=\"", f);
___mkd_reparse(T(ref->title), S(ref->title), &tagtext, f, 0); if ( S(ref->title) )
___mkd_reparse(T(ref->title), S(ref->title), &tagtext, f, 0);
else
___mkd_reparse(T(text), S(text), &tagtext, f, 0);
Qchar('"', f); Qchar('"', f);
} }
markdown.h
+1
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@@ -43,6 +43,7 @@ enum { MKD_NOLINKS=0, /* don't do link processing, block <a> tags */
MKD_GITHUBTAGS, /* allow dash and underscore in element names */ MKD_GITHUBTAGS, /* allow dash and underscore in element names */
MKD_URLENCODEDANCHOR, /* urlencode non-identifier chars instead of replacing with dots */ MKD_URLENCODEDANCHOR, /* urlencode non-identifier chars instead of replacing with dots */
MKD_LATEX, /* handle embedded LaTeX escapes */ MKD_LATEX, /* handle embedded LaTeX escapes */
MKD_ALT_AS_TITLE, /* use alt text as the title if no title is listed */
/* end of user flags */ /* end of user flags */
IS_LABEL, IS_LABEL,
MKD_NR_FLAGS }; MKD_NR_FLAGS };
mkdio.h.in
+1
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@@ -40,6 +40,7 @@ enum { MKD_NOLINKS=0, /* don't do link processing, block <a> tags */
MKD_GITHUBTAGS, /* allow dash and underscore in element names */ MKD_GITHUBTAGS, /* allow dash and underscore in element names */
MKD_URLENCODEDANCHOR, /* urlencode non-identifier chars instead of replacing with dots */ MKD_URLENCODEDANCHOR, /* urlencode non-identifier chars instead of replacing with dots */
MKD_LATEX, /* handle embedded LaTeX escapes */ MKD_LATEX, /* handle embedded LaTeX escapes */
MKD_ALT_AS_TITLE, /* use alt text as the title if no title is listed */
MKD_NR_FLAGS }; MKD_NR_FLAGS };
/* abstract flag type */ /* abstract flag type */
pgm_options.c
+1
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@@ -78,6 +78,7 @@ static struct _opt {
{ "regular-listitem","github-style check items", 0, 0, 1, 1, MKD_NORMAL_LISTITEM } , { "regular-listitem","github-style check items", 0, 0, 1, 1, MKD_NORMAL_LISTITEM } ,
{ "definitionlist","both discount & markdown extra definition lists", 1 }, { "definitionlist","both discount & markdown extra definition lists", 1 },
{ "dlist", "both discount & markdown extra definition lists", 1, 0, 1 }, { "dlist", "both discount & markdown extra definition lists", 1, 0, 1 },
{ "alt_as_title", "use the alt text as a title if there isn't one (images)", 0, 0, 0, 1, MKD_ALT_AS_TITLE },
} ; } ;
#define NR(x) (sizeof x / sizeof x[0]) #define NR(x) (sizeof x / sizeof x[0])