zygo

commit 5821d041342e44ae655a5ba1de73a7671f7455d9
parent 9e691b8df377fa6f938c10c92a9f7eb704920614
Author: hhvn <dev@hhvn.uk>
Date:   Wed,  9 Feb 2022 17:44:51 +0000

Experimental hilighting of markdown headers

Diffstat:
M
.config.hhvn.h
 | 
17
+++++++++++++----
M
config.def.h
 | 
20
++++++++++++++------
M
zygo.c
 | 
21
++++++++++++++++++++-
M
zygo.h
 | 
3
++-

4 files changed, 49 insertions(+), 12 deletions(-)
diff --git a/.config.hhvn.h b/.config.hhvn.h
@@ -4,6 +4,7 @@ static int parallelplumb = 1;
 static int stimeout = 5;
 static int regexflags = REG_ICASE|REG_EXTENDED;
 static int autotls = 1;
+static int mdhilight = 1;
 
 static short bar_pair[2] = {-1,  0};
 static short uri_pair[2] = {0,   7};
@@ -33,8 +34,16 @@ static Scheme scheme[] = {
 	{'d',    "Doc ", 15 },
 	{'3',    "ERR ",  8 },
 
-	/* DNE! These values are actually used:
-	 * -1 = default foregrounds
-	 *  0 = default colour pair */
-	{'\0',   "????",  8 },
+	/* Experimental markdown header hilighting.
+	 * mdhilight must be set for this to show.
+	 * Unlike other elements of scheme, the fore-
+	 * ground is used for the text itself, not
+	 * the name. */
+	{MDH1,	 "    ",  7 },
+	{MDH2,   "    ",  6 },
+	{MDH3,   "    ",  5 },
+	{MDH4,   "    ",  4 },
+
+	/* must be last, see getscheme() */
+	{DEFL,   "????",  8 },
 };
diff --git a/config.def.h b/config.def.h
@@ -3,8 +3,8 @@ static char *yanker = "xclip";
 static int parallelplumb = 0;
 static int stimeout = 5;
 static int regexflags = REG_ICASE|REG_EXTENDED;
-static int autotls = 0; /* automatically try to 
-			   establish TLS connections? */
+static int mdhilight = 0; /* attempt to hilight markdown headers */
+static int autotls = 0;   /* automatically try to establish TLS connections */
 
 static short bar_pair[2] = {-1,  0};
 static short uri_pair[2] = {0,   7};
@@ -34,8 +34,16 @@ static Scheme scheme[] = {
 	{'d',    "Doc ",  8 },
 	{'3',    "ERR ",  1 },
 
-	/* DNE! These values are actually used:
-	 * -1 = default foregrounds
-	 *  0 = default colour pair */
-	{'\0',   "????",  1 },
+	/* Experimental markdown header hilighting.
+	 * mdhilight must be set for this to show.
+	 * Unlike other elements of scheme, the fore-
+	 * ground is used for the text itself, not
+	 * the name. */
+	{MDH1,	 "    ",  6 },
+	{MDH2,   "    ",  5 },
+	{MDH3,   "    ",  4 },
+	{MDH4,   "    ",  3 },
+
+	/* must be last, see getscheme() */
+	{DEFL,   "????",  8 },
 };
diff --git a/zygo.c b/zygo.c
@@ -601,8 +601,21 @@ getscheme(Elem *e) {
 	if (type == 'h' && strstr(e->selector, "URL:"))
 		type = EXTR;
 
+	/* Try to get scheme from markdown header */
+	if (type == 'i' && mdhilight) {
+		/* 4+ matches MDH4 */
+		if (strncmp(e->desc, "####", 4) == 0)
+			type = MDH4;
+		else if (strncmp(e->desc, "###", 3) == 0)
+			type = MDH3;
+		else if (strncmp(e->desc, "##", 2) == 0)
+			type = MDH2;
+		else if (strncmp(e->desc, "#", 1) == 0)
+			type = MDH1;
+	}
+
 	for (i = 0; ; i++)
-		if (scheme[i].type == type || scheme[i].type == '\0')
+		if (scheme[i].type == type || scheme[i].type == DEFL)
 			return &scheme[i];
 }
 
@@ -681,6 +694,12 @@ draw_line(Elem *e, int nwidth) {
 	if (ui.search && regexec(&ui.regex, e->desc, 0, NULL, 0) == 0)
 		attron(A_REVERSE);
 
+	if (mdhilight && strncmp(e->desc, "#", 1) == 0) {
+		attron(A_BOLD);
+		attron(COLOR_PAIR(getscheme(e)->pair));
+		attroff(A_BOLD);
+	}
+
 	len = mbstowcs(NULL, e->desc, 0) + 1;
 	mbdesc = emalloc(len * sizeof(wchar_t*));
 	mbstowcs(mbdesc, e->desc, len);
diff --git a/zygo.h b/zygo.h
@@ -40,7 +40,8 @@ struct List {
 	size_t lastid;
 };
 
-enum { EXTR = 1 };
+enum { DEFL, EXTR,
+	MDH1, MDH2, MDH3, MDH4 };
 typedef struct Scheme Scheme;
 struct Scheme {
 	char type;