| /* |
| * 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 "GrAuditTrail.h" |
| |
| void GrAuditTrail::JsonifyTArray(SkString* json, const char* name, const FrameArray& array, |
| bool addComma) { |
| if (array.count()) { |
| if (addComma) { |
| json->appendf(","); |
| } |
| json->appendf("\"%s\": [", name); |
| for (int i = 0; i < array.count(); i++) { |
| json->append(array[i]->toJson()); |
| if (i < array.count() - 1) { |
| json->append(","); |
| } |
| } |
| json->append("]"); |
| } |
| } |
| |
| // This will pretty print a very small subset of json |
| // The parsing rules are straightforward, aside from the fact that we do not want an extra newline |
| // before ',' and after '}', so we have a comma exception rule. |
| class PrettyPrintJson { |
| public: |
| SkString prettify(const SkString& json) { |
| fPrettyJson.reset(); |
| fTabCount = 0; |
| fFreshLine = false; |
| fCommaException = false; |
| for (size_t i = 0; i < json.size(); i++) { |
| if ('[' == json[i] || '{' == json[i]) { |
| this->newline(); |
| this->appendChar(json[i]); |
| fTabCount++; |
| this->newline(); |
| } else if (']' == json[i] || '}' == json[i]) { |
| fTabCount--; |
| this->newline(); |
| this->appendChar(json[i]); |
| fCommaException = true; |
| } else if (',' == json[i]) { |
| this->appendChar(json[i]); |
| this->newline(); |
| } else { |
| this->appendChar(json[i]); |
| } |
| } |
| return fPrettyJson; |
| } |
| private: |
| void appendChar(char appendee) { |
| if (fCommaException && ',' != appendee) { |
| this->newline(); |
| } |
| this->tab(); |
| fPrettyJson += appendee; |
| fFreshLine = false; |
| fCommaException = false; |
| } |
| |
| void tab() { |
| if (fFreshLine) { |
| for (int i = 0; i < fTabCount; i++) { |
| fPrettyJson += '\t'; |
| } |
| } |
| } |
| |
| void newline() { |
| if (!fFreshLine) { |
| fFreshLine = true; |
| fPrettyJson += '\n'; |
| } |
| } |
| |
| SkString fPrettyJson; |
| int fTabCount; |
| bool fFreshLine; |
| bool fCommaException; |
| }; |
| |
| static SkString pretty_print_json(SkString json) { |
| class PrettyPrintJson prettyPrintJson; |
| return prettyPrintJson.prettify(json); |
| } |
| |
| SkString GrAuditTrail::toJson(bool prettyPrint) const { |
| SkString json; |
| json.append("{"); |
| JsonifyTArray(&json, "Stacks", fFrames, false); |
| json.append("}"); |
| |
| if (prettyPrint) { |
| return pretty_print_json(json); |
| } else { |
| return json; |
| } |
| } |
| |
| SkString GrAuditTrail::Frame::toJson() const { |
| SkString json; |
| json.append("{"); |
| json.appendf("\"Name\": \"%s\"", fName); |
| JsonifyTArray(&json, "Frames", fChildren, true); |
| json.append("}"); |
| return json; |
| } |
| |
| SkString GrAuditTrail::Batch::toJson() const { |
| SkString json; |
| json.append("{"); |
| json.appendf("\"Name\": \"%s\",", fName); |
| json.append("\"Bounds\": {"); |
| json.appendf("\"Left\": %f,", fBounds.fLeft); |
| json.appendf("\"Right\": %f,", fBounds.fRight); |
| json.appendf("\"Top\": %f,", fBounds.fTop); |
| json.appendf("\"Bottom\": %f", fBounds.fBottom); |
| json.append("}"); |
| json.append("}"); |
| return json; |
| } |