[RFC PATCH 3/4] ui-blame: create needed html_ntxt_noellipsis function

[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 <whydo...@gmail.com>
---
 html.c | 37 ++++++++++++++++---------------------
 html.h |  1 +
 2 files changed, 17 insertions(+), 21 deletions(-)

diff --git a/html.c b/html.c
index e7e6e07..c7d1c64 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);
@@ -140,32 +140,27 @@ 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("&gt;");
-                       else if (c == '<')
-                               html("&lt;");
-                       else if (c == '&')
-                               html("&amp;");
-                       txt = t + 1;
-               }
-               t++;
-       }
-       if (t != txt)
-               html_raw(txt, t - txt);
-       if (len < 0)
+       if (_html_txt(len, txt) < 0)
                html("...");
 }
 
+void html_ntxt_noellipsis(int len, const char *txt)
+{
+       _html_txt(len, txt);
+}
+
 void html_attrf(const char *fmt, ...)
 {
        va_list ap;
diff --git a/html.h b/html.h
index 1b24e55..e1b85b3 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_noellipsis(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);
-- 
2.9.3

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