1 files changed, 77 insertions, 0 deletions
diff --git a/subprojects/exess/src/read_utils.h b/subprojects/exess/src/read_utils.h
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+++ b/subprojects/exess/src/read_utils.h
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+/*
+  Copyright 2019-2021 David Robillard <d@drobilla.net>
+
+  Permission to use, copy, modify, and/or distribute this software for any
+  purpose with or without fee is hereby granted, provided that the above
+  copyright notice and this permission notice appear in all copies.
+
+  THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+
+#ifndef EXESS_READ_UTILS_H
+#define EXESS_READ_UTILS_H
+
+#include "string_utils.h"
+
+#include "exess/exess.h"
+
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdint.h>
+
+static inline size_t
+skip_whitespace(const char* const str)
+{
+  size_t i = 0;
+  while (is_space(str[i])) {
+    ++i;
+  }
+
+  return i;
+}
+
+static inline bool
+is_end(const char c)
+{
+  switch (c) {
+  case '\0':
+  case ' ':
+  case '\f':
+  case '\n':
+  case '\r':
+  case '\t':
+  case '\v':
+    return true;
+  default:
+    break;
+  }
+
+  return false;
+}
+
+static inline ExessResult
+result(const ExessStatus status, const size_t count)
+{
+  const ExessResult r = {status, count};
+  return r;
+}
+
+ExessResult
+read_two_digit_number(uint8_t*    out,
+                      uint8_t     min_value,
+                      uint8_t     max_value,
+                      const char* str);
+
+static inline ExessResult
+end_read(const ExessStatus status, const char* str, const size_t i)
+{
+  return result((status || is_end(str[i])) ? status : EXESS_EXPECTED_END, i);
+}
+
+#endif // EXESS_READ_UTILS_H