1 files changed, 66 insertions, 0 deletions
diff --git a/src/jsapi-binding.c b/src/jsapi-binding.c
new file mode 100644
index 0000000..51a0df7
--- /dev/null
+++ b/src/jsapi-binding.c
@@ -0,0 +1,66 @@
+#include <stdio.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <string.h>
+
+#include "jsapi-binding.h"
+
+#define HDR_COMMENT_PREABLE "/* Generated by nsgenjsapi\n"
+
+static FILE *outfile = NULL;
+static char *hdr_comments = NULL;
+static bool hdr_comments_output = false;
+
+int genjsbind_outputopen(char *outfilename)
+{
+        /* open output file */
+	if (outfilename == NULL) {
+		outfile = stdout;
+	} else {
+		outfile = fopen(outfilename, "w");
+	}
+
+	if (!outfile) {
+		fprintf(stderr, "Error opening output %s: %s\n",
+			outfilename, 
+			strerror(errno));
+		return 4;
+	}
+
+	hdr_comments = strdup(HDR_COMMENT_PREABLE);
+	return 0;
+}
+
+int genjsbind_outputclose()
+{
+	fclose(outfile);
+	return 0;
+}
+
+int genjsbind_header_comment(char *comment)
+{
+	char *fullstr;
+	int fulllen;
+	fulllen = strlen(hdr_comments) + strlen(comment) + 2;
+	fullstr = malloc(fulllen);
+	snprintf(fullstr, fulllen, "%s\n%s", hdr_comments , comment);
+	free(hdr_comments);
+	free(comment);
+	hdr_comments  = fullstr;
+
+	if (hdr_comments_output) {
+		fprintf(stderr, "Warning: adding header comments after output already started\n");
+	}
+	return 0;
+}
+
+int genjsbind_output_interface(const char *interface)
+{
+	if (!hdr_comments_output) {
+		fprintf(outfile, "%s\n*/\n\n", hdr_comments);
+		hdr_comments_output = true;
+	}
+	fprintf(outfile, "/* interface %s */\n\n", interface);
+	return 0;
+}