Import cgit prototype from git tree

This enables basic cgit functionality, using libgit.a and xdiff/lib.a from
git + a custom "git.h" + openssl for sha1 routines.

Signed-off-by: Lars Hjemli <hjemli@gmail.com>

1 files changed, 100 insertions, 0 deletions

diff --git a/html.c b/html.c
new file mode 100644
index 0000000..5780dc1
--- a/dev/null
+++ b/html.c
@@ -0,0 +1,100 @@
+#include "cgit.h"
+
+char *fmt(const char *format, ...)
+{
+        static char buf[8][1024];
+        static int bufidx;
+        int len;
+        va_list args;
+
+        bufidx++;
+        bufidx &= 7;
+
+        va_start(args, format);
+        len = vsnprintf(buf[bufidx], sizeof(buf[bufidx]), format, args);
+        va_end(args);
+        if (len>sizeof(buf[bufidx]))
+                die("[html.c] string truncated: %s", format);
+        return buf[bufidx];
+}
+
+void html(const char *txt)
+{
+        fputs(txt, stdout);
+}
+
+void htmlf(const char *format, ...)
+{
+        va_list args;
+
+        va_start(args, format);
+        vprintf(format, args);
+        va_end(args);
+}
+
+void html_txt(char *txt)
+{
+        char *t = txt;
+        while(*t){
+                int c = *t;
+                if (c=='<' || c=='>' || c=='&') {
+                        *t = '\0';
+                        html(txt);
+                        *t = c;
+                        if (c=='>')
+                                html("&gt;");
+                        else if (c=='<')
+                                html("&lt;");
+                        else if (c=='&')
+                                html("&amp;");
+                        txt = t+1;
+                }
+                t++;
+        }
+        if (t!=txt)
+                html(txt);
+}
+
+
+void html_attr(char *txt)
+{
+        char *t = txt;
+        while(*t){
+                int c = *t;
+                if (c=='<' || c=='>' || c=='\'') {
+                        *t = '\0';
+                        html(txt);
+                        *t = c;
+                        if (c=='>')
+                                html("&gt;");
+                        else if (c=='<')
+                                html("&lt;");
+                        else if (c=='\'')
+                                html("&quote;");
+                        txt = t+1;
+                }
+                t++;
+        }
+        if (t!=txt)
+                html(txt);
+}
+
+void html_link_open(char *url, char *title, char *class)
+{
+        html("<a href='");
+        html_attr(url);
+        if (title) {
+                html("' title='");
+                html_attr(title);
+        }
+        if (class) {
+                html("' class='");
+                html_attr(class);
+        }
+        html("'>");
+}
+
+void html_link_close(void)
+{
+        html("</a>");
+}