1 files changed, 57 insertions, 0 deletions
diff --git a/ste/ste.c b/ste/ste.c
new file mode 100644
index 0000000..43252b9
--- /dev/null
+++ b/ste/ste.c
@@ -0,0 +1,57 @@
+#include <stdio.h>
+#include <string.h>
+
+void process_files(FILE* in, FILE* out, const char *macro) {
+	enum {MODESTR = 0, MODESRC = 1} a = MODESTR;
+	fprintf(out, "%s(\"", macro);
+	for (;;) {
+		int c = fgetc(in);
+		if (feof(in)) break;
+		if (c == '%') {
+			a = !a;
+			if (a == MODESTR) fprintf(out, " %s(\"", macro);
+			else fputs("\");", out);
+			continue;
+		}
+		if (a == MODESTR) fprintf(out, "\\x%02X", c);
+		else (fputc(c, out));
+	}
+	if (a == MODESTR) fputs("\");", out);
+}
+
+int main(int argc, char **argv) {
+	const char *macro = "OUT";
+	char *filename = NULL;
+	FILE *in, *out;
+
+	if (argc < 2) {
+		usage:
+		fprintf(stderr, "Usage: %s [-m name] <file.ste>\n", *argv);
+		return 1;
+	}
+
+	for (int i = 0; i < argc; ++i) {
+		if (!strcmp("-m", argv[i])) macro = argv[++i];
+		else filename = argv[i];
+	}
+	if (!filename || strlen(filename) <= 4) goto usage;
+
+	in = fopen(filename, "r");
+	for (char *fn = filename; fn[3]; ++fn) {
+		if (!strncmp(".ste", fn, 4)) {
+			*fn = '\0';
+			break;
+		}
+	}
+	out = fopen(filename, "w");
+	if (!in || !out) {
+		perror("fopen");
+		goto usage;
+	}
+	
+	process_files(in, out, macro);
+	
+	fclose(in);
+	fclose(out);
+	return 0;
+}