reader: verse number in a left column, hang-indent wrapped textv1.0

putwrapped now peels the leading chap:verse token into a fixed VNUM-wide
column (new config knob, default 8) and hang-indents continuation lines
under the text, so the reading has a straight left margin instead of
wrapping flush to column 0. Verses without a numeric prefix still wrap
flush-left; the WRAP<=0 (terminal-fit) path is unchanged.

1 files changed, 38 insertions, 12 deletions

diff --git a/clectio.c b/clectio.c
index 61d25a0..0032557 100644
--- a/clectio.c
+++ b/clectio.c
@@ -98,17 +98,42 @@ static int termwidth(void) {
 	return 72;
 }
 
-/* Print s wrapped at w columns, breaking on spaces (greedy). w <= 0 prints s
- * unwrapped. UTF-8 aware: continuation bytes (0x80-0xBF) do not count as a
- * column, so multibyte letters measure as one. */
+/* Print one verse: a leading "chap:verse" number in a fixed left column (VNUM
+ * wide), then the text wrapped at w columns, breaking on spaces (greedy), with
+ * continuation lines hang-indented under the text so its left edge stays
+ * straight. w <= 0 prints the text on one line after the number column. UTF-8
+ * aware: continuation bytes (0x80-0xBF) do not count as a column, so multibyte
+ * letters measure as one. A verse that does not begin with a digit gets no
+ * number column (indent 0) and wraps flush-left, as before. */
 static void putwrapped(const char *s, int w) {
+	const char *text = s;
+	int indent = 0, first = 1;
+
+	if (*s >= '0' && *s <= '9') { /* peel the leading "chap:verse " token */
+		const char *sp = strchr(s, ' ');
+		if (sp) {
+			int numlen = (int)(sp - s), pad = VNUM - numlen;
+			fwrite(s, 1, (size_t)numlen, stdout);
+			if (pad < 1)
+				pad = 1; /* always a space, even after a long number */
+			while (pad-- > 0)
+				putchar(' ');
+			indent = VNUM;
+			text = sp + 1;
+		}
+	}
+
 	if (w <= 0) {
-		printf("%s\n", s);
+		printf("%s\n", text);
 		return;
 	}
-	while (*s) {
-		const char *p = s, *brk = NULL;
-		int col = 0;
+
+	while (*text) {
+		const char *p = text, *brk = NULL;
+		int col = indent, k;
+		if (!first) /* hang-indent continuation lines under the text */
+			for (k = 0; k < indent; k++)
+				putchar(' ');
 		while (*p && col < w) {
 			if (*p == ' ')
 				brk = p;
@@ -116,16 +141,17 @@ static void putwrapped(const char *s, int w) {
 				col++;
 			p++;
 		}
-		if (!*p) { /* the rest fits on one line */
-			printf("%s\n", s);
+		if (!*p) { /* the rest fits on this line */
+			printf("%s\n", text);
 			return;
 		}
-		if (!brk) /* a single word longer than w: hard-break at the column */
+		if (!brk) /* a single word longer than the line: hard-break */
 			brk = p;
-		fwrite(s, 1, (size_t)(brk - s), stdout);
+		fwrite(text, 1, (size_t)(brk - text), stdout);
 		putchar('\n');
-		for (s = brk; *s == ' '; s++) /* skip the space(s) we broke on */
+		for (text = brk; *text == ' '; text++) /* skip the break space(s) */
 			;
+		first = 0;
 	}
 }