stagit

commit 0e1080b6e4c4089c9af18d31002c1b562f5fa5cb
parent 02c00248d8134c69758557a78e3c632ac77ae687
Author: Pollux <pollux@pollux.codes>
Date:   Fri, 17 Jan 2025 21:32:30 -0600

feat: add markdown support using lowdown library

src: http://git.vgx.fr/stagit/

Signed-off-by: Pollux <pollux@pollux.codes>

Diffstat:
M
Makefile
 | 
2
+-
M
stagit.c
 | 
28
+++++++++++++++++++++++++++-

2 files changed, 28 insertions(+), 2 deletions(-)
diff --git a/Makefile b/Makefile
@@ -9,7 +9,7 @@ MANPREFIX = ${PREFIX}/man
 DOCPREFIX = ${PREFIX}/share/doc/${NAME}
 
 LIBGIT_INC = -I/usr/local/include
-LIBGIT_LIB = -L/usr/local/lib -lgit2
+LIBGIT_LIB = -L/usr/local/lib -lgit2 -llowdown -lm
 
 # use system flags.
 STAGIT_CFLAGS = ${LIBGIT_INC} ${CFLAGS}
diff --git a/stagit.c b/stagit.c
@@ -1,3 +1,4 @@
+#include <git2/blob.h>
 #include <sys/stat.h>
 #include <sys/types.h>
 
@@ -14,6 +15,9 @@
 
 #include <git2.h>
 
+#include <sys/queue.h>
+#include <lowdown.h>
+
 #include "compat.h"
 
 #define LEN(s)    (sizeof(s)/sizeof(*s))
@@ -946,6 +950,26 @@ writeatom(FILE *fp, int all)
 	return 0;
 }
 
+int
+writemarkdownblob(FILE *fp, git_blob *blob)
+{
+	char *buf;
+	size_t bufsz;
+	struct lowdown_opts opt = {
+		.type = LOWDOWN_HTML,
+		.feat = LOWDOWN_DEFINITION|LOWDOWN_FENCED|LOWDOWN_FOOTNOTES|
+		        LOWDOWN_METADATA|LOWDOWN_STRIKE|LOWDOWN_SUPER|LOWDOWN_TABLES,
+	};
+
+	lowdown_buf(&opt, git_blob_rawcontent(blob), git_blob_rawsize(blob),
+	                &buf, &bufsz, NULL);
+
+	fwrite(buf, 1, bufsz, fp);
+	free(buf);
+
+	return 0;
+}
+
 size_t
 writeblob(git_object *obj, const char *fpath, const char *filename, size_t filesize)
 {
@@ -976,7 +1000,9 @@ writeblob(git_object *obj, const char *fpath, const char *filename, size_t files
 
 	if (git_blob_is_binary((git_blob *)obj))
 		fputs("<p>Binary file.</p>\n", fp);
-	else
+	else if (strlen(filename) >= 3 && !strcmp(filename + strlen(filename) - 3, ".md")) {
+		lc = writemarkdownblob(fp, (git_blob *)obj);
+	} else
 		lc = writeblobhtml(fp, (git_blob *)obj);
 
 	writefooter(fp);