Updating OTS repo from https://github.com/khaledhosny/ots.git

third_party/ots/test/ot-sanitise.cc

+// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// A very simple driver program while sanitises the file given as argv[1] and
+// writes the sanitised version to stdout.
+
+#include <fcntl.h>
+#include <sys/stat.h>
+#if defined(_WIN32)
+#include <io.h>
+#else
+#include <unistd.h>
+#endif  // defined(_WIN32)
+
+#include <cstdarg>
+#include <cstdio>
+#include <cstdlib>
+
+#include "file-stream.h"
+#include "opentype-sanitiser.h"
+
+#if defined(_WIN32)
+#define ADDITIONAL_OPEN_FLAGS O_BINARY
+#else
+#define ADDITIONAL_OPEN_FLAGS 0
+#endif
+
+namespace {
+
+int Usage(const char *argv0) {
+  std::fprintf(stderr, "Usage: %s ttf_file [dest_ttf_file]\n", argv0);
+  return 1;
+}
+
+class Context: public ots::OTSContext {
+ public:
+  virtual void Message(int level, const char *format, ...) {
+    va_list va;
+
+    if (level == 0)
+      std::fprintf(stderr, "ERROR: ");
+    else
+      std::fprintf(stderr, "WARNING: ");
+    va_start(va, format);
+    std::vfprintf(stderr, format, va);
+    std::fprintf(stderr, "\n");
+    va_end(va);
+  }
+
+  virtual ots::TableAction GetTableAction(uint32_t tag) {
+#define TAG(a, b, c, d) ((a) << 24 | (b) << 16 | (c) << 8 | (d))
+    switch (tag) {
+      case TAG('S','i','l','f'):
+      case TAG('S','i','l','l'):
+      case TAG('G','l','o','c'):
+      case TAG('G','l','a','t'):
+      case TAG('F','e','a','t'):
+        return ots::TABLE_ACTION_PASSTHRU;
+      default:
+        return ots::TABLE_ACTION_DEFAULT;
+    }
+#undef TAG
+  }
+};
+
+}  // namespace
+
+int main(int argc, char **argv) {
+  if (argc < 2 || argc > 3) return Usage(argv[0]);
+
+  const int fd = ::open(argv[1], O_RDONLY | ADDITIONAL_OPEN_FLAGS);
+  if (fd < 0) {
+    ::perror("open");
+    return 1;
+  }
+
+  struct stat st;
+  ::fstat(fd, &st);
+
+  uint8_t *data = new uint8_t[st.st_size];
+  if (::read(fd, data, st.st_size) != st.st_size) {
+    ::perror("read");
+    return 1;
+  }
+  ::close(fd);
+
+  Context context;
+
+  FILE* out = NULL;
+  if (argc == 3)
+    out = fopen(argv[2], "wb");
+
+  ots::FILEStream output(out);
+  const bool result = context.Process(&output, data, st.st_size);
+
+  if (!result) {
+    std::fprintf(stderr, "Failed to sanitise file!\n");
+  }
+  return !result;
+}