joshualitt | 27a48dc | 2016-01-08 07:19:47 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2016 Google Inc. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
| 6 | */ |
| 7 | |
| 8 | #include "GrAuditTrail.h" |
| 9 | |
joshualitt | adab5a2 | 2016-02-18 05:04:39 -0800 | [diff] [blame^] | 10 | void GrAuditTrail::JsonifyTArray(SkString* json, const char* name, const FrameArray& array, |
| 11 | bool addComma) { |
joshualitt | 87a721b | 2016-01-12 12:59:28 -0800 | [diff] [blame] | 12 | if (array.count()) { |
joshualitt | adab5a2 | 2016-02-18 05:04:39 -0800 | [diff] [blame^] | 13 | if (addComma) { |
| 14 | json->appendf(","); |
| 15 | } |
joshualitt | 87a721b | 2016-01-12 12:59:28 -0800 | [diff] [blame] | 16 | json->appendf("\"%s\": [", name); |
| 17 | for (int i = 0; i < array.count(); i++) { |
joshualitt | 11fae87 | 2016-01-14 10:58:07 -0800 | [diff] [blame] | 18 | json->append(array[i]->toJson()); |
joshualitt | 87a721b | 2016-01-12 12:59:28 -0800 | [diff] [blame] | 19 | if (i < array.count() - 1) { |
| 20 | json->append(","); |
| 21 | } |
joshualitt | 27a48dc | 2016-01-08 07:19:47 -0800 | [diff] [blame] | 22 | } |
joshualitt | 87a721b | 2016-01-12 12:59:28 -0800 | [diff] [blame] | 23 | json->append("]"); |
joshualitt | 27a48dc | 2016-01-08 07:19:47 -0800 | [diff] [blame] | 24 | } |
joshualitt | 086cee1 | 2016-01-12 06:45:24 -0800 | [diff] [blame] | 25 | } |
| 26 | |
| 27 | // This will pretty print a very small subset of json |
| 28 | // The parsing rules are straightforward, aside from the fact that we do not want an extra newline |
| 29 | // before ',' and after '}', so we have a comma exception rule. |
| 30 | class PrettyPrintJson { |
| 31 | public: |
| 32 | SkString prettify(const SkString& json) { |
| 33 | fPrettyJson.reset(); |
| 34 | fTabCount = 0; |
| 35 | fFreshLine = false; |
| 36 | fCommaException = false; |
| 37 | for (size_t i = 0; i < json.size(); i++) { |
| 38 | if ('[' == json[i] || '{' == json[i]) { |
| 39 | this->newline(); |
| 40 | this->appendChar(json[i]); |
| 41 | fTabCount++; |
| 42 | this->newline(); |
| 43 | } else if (']' == json[i] || '}' == json[i]) { |
| 44 | fTabCount--; |
| 45 | this->newline(); |
| 46 | this->appendChar(json[i]); |
| 47 | fCommaException = true; |
| 48 | } else if (',' == json[i]) { |
| 49 | this->appendChar(json[i]); |
| 50 | this->newline(); |
| 51 | } else { |
| 52 | this->appendChar(json[i]); |
| 53 | } |
| 54 | } |
| 55 | return fPrettyJson; |
| 56 | } |
| 57 | private: |
| 58 | void appendChar(char appendee) { |
| 59 | if (fCommaException && ',' != appendee) { |
| 60 | this->newline(); |
| 61 | } |
| 62 | this->tab(); |
| 63 | fPrettyJson += appendee; |
| 64 | fFreshLine = false; |
| 65 | fCommaException = false; |
| 66 | } |
| 67 | |
| 68 | void tab() { |
| 69 | if (fFreshLine) { |
| 70 | for (int i = 0; i < fTabCount; i++) { |
| 71 | fPrettyJson += '\t'; |
| 72 | } |
| 73 | } |
| 74 | } |
| 75 | |
| 76 | void newline() { |
| 77 | if (!fFreshLine) { |
| 78 | fFreshLine = true; |
| 79 | fPrettyJson += '\n'; |
| 80 | } |
| 81 | } |
| 82 | |
| 83 | SkString fPrettyJson; |
| 84 | int fTabCount; |
| 85 | bool fFreshLine; |
| 86 | bool fCommaException; |
| 87 | }; |
| 88 | |
| 89 | static SkString pretty_print_json(SkString json) { |
| 90 | class PrettyPrintJson prettyPrintJson; |
| 91 | return prettyPrintJson.prettify(json); |
| 92 | } |
| 93 | |
joshualitt | 6b3cf73 | 2016-02-17 11:20:26 -0800 | [diff] [blame] | 94 | SkString GrAuditTrail::toJson(bool prettyPrint) const { |
joshualitt | 086cee1 | 2016-01-12 06:45:24 -0800 | [diff] [blame] | 95 | SkString json; |
| 96 | json.append("{"); |
joshualitt | adab5a2 | 2016-02-18 05:04:39 -0800 | [diff] [blame^] | 97 | JsonifyTArray(&json, "Stacks", fFrames, false); |
joshualitt | 086cee1 | 2016-01-12 06:45:24 -0800 | [diff] [blame] | 98 | json.append("}"); |
| 99 | |
joshualitt | 6b3cf73 | 2016-02-17 11:20:26 -0800 | [diff] [blame] | 100 | if (prettyPrint) { |
| 101 | return pretty_print_json(json); |
| 102 | } else { |
| 103 | return json; |
| 104 | } |
joshualitt | 27a48dc | 2016-01-08 07:19:47 -0800 | [diff] [blame] | 105 | } |
| 106 | |
joshualitt | 87a721b | 2016-01-12 12:59:28 -0800 | [diff] [blame] | 107 | SkString GrAuditTrail::Frame::toJson() const { |
joshualitt | 27a48dc | 2016-01-08 07:19:47 -0800 | [diff] [blame] | 108 | SkString json; |
joshualitt | 086cee1 | 2016-01-12 06:45:24 -0800 | [diff] [blame] | 109 | json.append("{"); |
joshualitt | adab5a2 | 2016-02-18 05:04:39 -0800 | [diff] [blame^] | 110 | json.appendf("\"Name\": \"%s\"", fName); |
| 111 | JsonifyTArray(&json, "Frames", fChildren, true); |
joshualitt | 086cee1 | 2016-01-12 06:45:24 -0800 | [diff] [blame] | 112 | json.append("}"); |
joshualitt | 27a48dc | 2016-01-08 07:19:47 -0800 | [diff] [blame] | 113 | return json; |
| 114 | } |
| 115 | |
joshualitt | 11fae87 | 2016-01-14 10:58:07 -0800 | [diff] [blame] | 116 | SkString GrAuditTrail::Batch::toJson() const { |
joshualitt | 086cee1 | 2016-01-12 06:45:24 -0800 | [diff] [blame] | 117 | SkString json; |
| 118 | json.append("{"); |
joshualitt | 87a721b | 2016-01-12 12:59:28 -0800 | [diff] [blame] | 119 | json.appendf("\"Name\": \"%s\",", fName); |
joshualitt | 086cee1 | 2016-01-12 06:45:24 -0800 | [diff] [blame] | 120 | json.append("\"Bounds\": {"); |
| 121 | json.appendf("\"Left\": %f,", fBounds.fLeft); |
| 122 | json.appendf("\"Right\": %f,", fBounds.fRight); |
| 123 | json.appendf("\"Top\": %f,", fBounds.fTop); |
| 124 | json.appendf("\"Bottom\": %f", fBounds.fBottom); |
| 125 | json.append("}"); |
| 126 | json.append("}"); |
| 127 | return json; |
| 128 | } |