skp_parser

compiles with GN.

NOTRY=true
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2281733003

Review-Url: https://codereview.chromium.org/2281733003
diff --git a/tools/skp_parser.cpp b/tools/skp_parser.cpp
new file mode 100644
index 0000000..d242524
--- /dev/null
+++ b/tools/skp_parser.cpp
@@ -0,0 +1,59 @@
+/*
+ * Copyright 2016 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include <iostream>
+
+#include "SkDebugCanvas.h"
+#include "SkNullCanvas.h"
+#include "SkStream.h"
+
+#ifdef SK_BUILD_FOR_WIN
+#include <fcntl.h>
+#include <io.h>
+#endif
+
+int main(int argc, char** argv) {
+    if (argc < 2) {
+        SkDebugf("Usage:\n  %s SKP_FILE [DATA_URL]\n", argv[0]);
+        return 1;
+    }
+    SkFILEStream input(argv[1]);
+    if (!input.isValid()) {
+        SkDebugf("Bad file: '%s'\n", argv[1]);
+        return 2;
+    }
+    sk_sp<SkPicture> pic = SkPicture::MakeFromStream(&input);
+    if (!pic) {
+        SkDebugf("Bad skp: '%s'\n", argv[1]);
+        return 3;
+    }
+    SkISize size = pic->cullRect().roundOut().size();
+    SkDebugCanvas debugCanvas(size.width(), size.height());
+    pic->playback(&debugCanvas);
+    sk_sp<SkCanvas> nullCanvas(SkCreateNullCanvas());
+    UrlDataManager dataManager(SkString("data"));
+    Json::Value json = debugCanvas.toJSON(
+            dataManager, debugCanvas.getSize(), nullCanvas.get());
+    if (argc > 2) {
+        if (UrlDataManager::UrlData* data =
+            dataManager.getDataFromUrl(SkString(argv[2]))) {
+            SkData* skdata = data->fData.get();
+            SkASSERT(skdata);
+            #ifdef SK_BUILD_FOR_WIN
+            fflush(stdout);
+            (void)_setmode(_fileno(stdout), _O_BINARY);
+            #endif
+            fwrite(skdata->data(), skdata->size(), 1, stdout);
+        } else {
+            SkDebugf("Bad data url.\n");
+            return 4;
+        }
+    } else {
+        Json::StyledStreamWriter("  ").write(std::cout, json);
+    }
+    return 0;
+}