DNC - JSON of flattenables, with field names.

tools/debugger/SkJsonWriteBuffer.cpp

Index: tools/debugger/SkJsonWriteBuffer.cpp
diff --git a/tools/debugger/SkJsonWriteBuffer.cpp b/tools/debugger/SkJsonWriteBuffer.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..02056316e758521cbde4371c1d4e94e59edf722a
--- /dev/null
+++ b/tools/debugger/SkJsonWriteBuffer.cpp
@@ -0,0 +1,185 @@
+/*
+ * Copyright 2012 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "SkJsonWriteBuffer.h"
+
+#include "SkObjectParser.h"
+
+void SkJsonWriteBuffer::append(const char* name, const Json::Value& value) {
+    SkString arrayName = SkStringPrintf("%s_array", name);
+    bool rawNamePresent = fJson.isMember(name);
+    bool arrayPresent = fJson.isMember(arrayName.c_str());
+
+    if (arrayPresent) {
+        SkASSERT(!rawNamePresent);
+        // We've already seen this name more than once, append to the array
+        fJson[arrayName.c_str()].append(value);
+    } else if (rawNamePresent) {
+        SkASSERT(!arrayPresent);
+        // We've seen this name once. Convert to an array and see with the old and new values
+        Json::Value jsonArray;
+        jsonArray.append(fJson[name]);
+        jsonArray.append(value);
+        fJson[arrayName.c_str()] = jsonArray;
+        fJson.removeMember(name);
+    } else {
+        // First (and likely only) time to see this name. Just insert it
+        fJson[name] = value;
+    }
+}
+
+void SkJsonWriteBuffer::writeByteArray(const char* name, const void* data, size_t size) {
+    Json::Value jsonArray;
+    const uint8_t* bytes = reinterpret_cast<const uint8_t*>(data);
+    for (size_t i = 0; i < size; ++i) {
+        SkString hexByte = SkStringPrintf("%02x", bytes[i]);
+        jsonArray.append(hexByte.c_str());
+    }
+    this->append(name, jsonArray);
+}
+
+void SkJsonWriteBuffer::writeBool(const char* name, bool value) {
+    this->append(name, value);
+}
+
+void SkJsonWriteBuffer::writeScalar(const char* name, SkScalar value) {
+    this->append(name, value);
+}
+
+void SkJsonWriteBuffer::writeScalarArray(const char* name, const SkScalar* value, uint32_t count) {
+    Json::Value jsonArray;
+    for (uint32_t i = 0; i < count; ++i) {
+        jsonArray.append(value[i]);
+    }
+    this->append(name, jsonArray);
+}
+
+void SkJsonWriteBuffer::writeInt(const char* name, int32_t value) {
+    this->append(name, value);
+}
+
+void SkJsonWriteBuffer::writeIntArray(const char* name, const int32_t* value, uint32_t count) {
+    Json::Value jsonArray;
+    for (uint32_t i = 0; i < count; ++i) {
+        jsonArray.append(value[i]);
+    }
+    this->append(name, jsonArray);
+}
+
+void SkJsonWriteBuffer::writeUInt(const char* name, uint32_t value) {
+    this->append(name, value);
+}
+
+void SkJsonWriteBuffer::write32(const char* name, int32_t value) {
+    this->append(name, value);
+}
+
+void SkJsonWriteBuffer::writeString(const char* name, const char* value) {
+    this->append(name, value);
+}
+
+void SkJsonWriteBuffer::writeEncodedString(const char* name, const void* value, size_t byteLength,
+                                           SkPaint::TextEncoding encoding) {
+    SkAutoTDelete<SkString> string = SkObjectParser::TextToString(value, byteLength, encoding);
+    this->append(name, string->c_str());
+}
+
+void SkJsonWriteBuffer::writeFunctionPtr(const char* name, void* ptr) {
+    this->append(name, reinterpret_cast<uintptr_t>(ptr));
+}
+
+void SkJsonWriteBuffer::writeFlattenable(const char* name, const SkFlattenable* flattenable) {
+    SkJsonWriteBuffer flattenableBuffer;
+    flattenable->flatten(flattenableBuffer);
+    this->append(name, flattenableBuffer.getValue());
+}
+
+void SkJsonWriteBuffer::writeColor(const char* name, const SkColor& color) {
+    SkString hexColor = SkStringPrintf("#%08x", color);
+    this->append(name, hexColor.c_str());
+}
+
+void SkJsonWriteBuffer::writeColorArray(const char* name, const SkColor* color, uint32_t count) {
+    Json::Value jsonArray;
+    for (uint32_t i = 0; i < count; ++i) {
+        SkString hexColor = SkStringPrintf("#%08x", color[i]);
+        jsonArray.append(hexColor.c_str());
+    }
+    this->append(name, jsonArray);
+}
+
+void SkJsonWriteBuffer::writePoint(const char* name, const SkPoint& point) {
+    Json::Value jsonPoint;
+    jsonPoint["x"] = point.fX;
+    jsonPoint["y"] = point.fY;
+    this->append(name, jsonPoint);
+}
+
+void SkJsonWriteBuffer::writePointArray(const char* name, const SkPoint* point, uint32_t count) {
+    Json::Value jsonArray;
+    for (uint32_t i = 0; i < count; ++i) {
+        Json::Value jsonPoint;
+        jsonPoint["x"] = point[i].fX;
+        jsonPoint["y"] = point[i].fY;
+        jsonArray.append(jsonPoint);
+    }
+    this->append(name, jsonArray);
+}
+
+void SkJsonWriteBuffer::writeMatrix(const char* name, const SkMatrix& matrix) {
+    SkString matrixString;
+#ifndef SK_IGNORE_TO_STRING
+    matrix.toString(&matrixString);
+#endif
+    this->append(name, matrixString.c_str());
+}
+
+void SkJsonWriteBuffer::writeIRect(const char* name, const SkIRect& rect) {
+    SkAutoTDelete<SkString> rectString = SkObjectParser::IRectToString(rect);
+    this->append(name, rectString->c_str());
+}
+
+void SkJsonWriteBuffer::writeRect(const char* name, const SkRect& rect) {
+    SkAutoTDelete<SkString> rectString = SkObjectParser::RectToString(rect);
+    this->append(name, rectString->c_str());
+}
+
+void SkJsonWriteBuffer::writeRegion(const char* name, const SkRegion& region) {
+    // Unsupported
+    this->append(name, Json::Value());
+}
+
+void SkJsonWriteBuffer::writePath(const char* name, const SkPath& path) {
+    SkAutoTDelete<SkString> pathString = SkObjectParser::PathToString(path);
+    this->append(name, pathString->c_str());
+}
+
+size_t SkJsonWriteBuffer::writeStream(const char* name, SkStream* stream, size_t length) {
+    // Contents not supported
+    this->append(name, Json::Value(length));
+    return 0;
+}
+
+void SkJsonWriteBuffer::writeBitmap(const char* name, const SkBitmap& bitmap) {
+    SkAutoTDelete<SkString> bitmapString = SkObjectParser::BitmapToString(bitmap);
+    this->append(name, bitmapString->c_str());
+}
+
+void SkJsonWriteBuffer::writeImage(const char* name, const SkImage* image) {
+    SkAutoTDelete<SkString> imageString = SkObjectParser::ImageToString(image);
+    this->append(name, imageString->c_str());
+}
+
+void SkJsonWriteBuffer::writeTypeface(const char* name, SkTypeface* typeface) {
+    // Unsupported
+    this->append(name, Json::Value());
+}
+
+void SkJsonWriteBuffer::writePaint(const char* name, const SkPaint& paint) {
+    SkAutoTDelete<SkString> paintString = SkObjectParser::PaintToString(paint);
+    this->append(name, paintString->c_str());
+}