Refactor ALL the things!

src/parsers/whitespace.c

@@ -0,0 +1,26 @@
+#include <ctype.h>
+#include "parser_internal.h"
+
+static HParseResult* parse_whitespace(void* env, HParseState *state) {
+  char c;
+  HInputStream bak;
+  do {
+    bak = state->input_stream;
+    c = h_read_bits(&state->input_stream, 8, false);
+    if (state->input_stream.overrun)
+      return NULL;
+  } while (isspace(c));
+  state->input_stream = bak;
+  return h_do_parse((HParser*)env, state);
+}
+
+static const HParserVtable whitespace_vt = {
+  .parse = parse_whitespace,
+};
+
+const HParser* h_whitespace(const HParser* p) {
+  HParser *ret = g_new(HParser, 1);
+  ret->vtable = &whitespace_vt;
+  ret->env = (void*)p;
+  return ret;
+}