[RFCv2 PATCH 4/7] ui-blame: html_ntxt with no ellipsis

[Jeff Smith]

For implementing a ui-blame page, there is need for a function that
outputs a selection from a block of text, transformed for HTML output,
but with no further modifications or additions.

Signed-off-by: Jeff Smith <whydoubt at gmail.com>
---
 html.c        | 37 ++++++++++++++++---------------------
 html.h        |  1 +
 ui-repolist.c |  2 +-
 3 files changed, 18 insertions(+), 22 deletions(-)

diff --git a/html.c b/html.c
index e7e6e07..345300e 100644
--- a/html.c
+++ b/html.c
@@ -122,10 +122,10 @@ void html_vtxtf(const char *format, va_list ap)
 	strbuf_release(&buf);
 }
 
-void html_txt(const char *txt)
+static int _html_txt(int len, const char *txt)
 {
 	const char *t = txt;
-	while (t && *t) {
+	while (t && *t && len--) {
 		int c = *t;
 		if (c == '<' || c == '>' || c == '&') {
 			html_raw(txt, t - txt);
@@ -140,29 +140,24 @@ void html_txt(const char *txt)
 		t++;
 	}
 	if (t != txt)
-		html(txt);
+		html_raw(txt, t - txt);
+	return len;
+}
+
+void html_txt(const char *txt)
+{
+	if (txt)
+		_html_txt(strlen(txt), txt);
 }
 
 void html_ntxt(int len, const char *txt)
 {
-	const char *t = txt;
-	while (t && *t && len--) {
-		int c = *t;
-		if (c == '<' || c == '>' || c == '&') {
-			html_raw(txt, t - txt);
-			if (c == '>')
-				html(">");
-			else if (c == '<')
-				html("<");
-			else if (c == '&')
-				html("&");
-			txt = t + 1;
-		}
-		t++;
-	}
-	if (t != txt)
-		html_raw(txt, t - txt);
-	if (len < 0)
+	_html_txt(len, txt);
+}
+
+void html_ntxt_ellipsis(int len, const char *txt)
+{
+	if (_html_txt(len, txt) < 0)
 		html("...");
 }
 
diff --git a/html.h b/html.h
index 1b24e55..de53430 100644
--- a/html.h
+++ b/html.h
@@ -20,6 +20,7 @@ extern void html_attrf(const char *format,...);
 
 extern void html_txt(const char *txt);
 extern void html_ntxt(int len, const char *txt);
+extern void html_ntxt_ellipsis(int len, const char *txt);
 extern void html_attr(const char *txt);
 extern void html_url_path(const char *txt);
 extern void html_url_arg(const char *txt);
diff --git a/ui-repolist.c b/ui-repolist.c
index 7272e87..77c33fd 100644
--- a/ui-repolist.c
+++ b/ui-repolist.c
@@ -329,7 +329,7 @@ void cgit_print_repolist(void)
 		repourl = cgit_repourl(ctx.repo->url);
 		html_link_open(repourl, NULL, NULL);
 		free(repourl);
-		html_ntxt(ctx.cfg.max_repodesc_len, ctx.repo->desc);
+		html_ntxt_ellipsis(ctx.cfg.max_repodesc_len, ctx.repo->desc);
 		html_link_close();
 		html("</td><td>");
 		if (ctx.cfg.enable_index_owner) {
-- 
2.9.4