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author | Konstantin Käfer <mail@kkaefer.com> | 2015-02-12 13:04:06 -0800 |
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committer | Konstantin Käfer <mail@kkaefer.com> | 2015-02-12 13:04:06 -0800 |
commit | caae73a33aa6dae1fecf30ccddcb01a4c0eb1d05 (patch) | |
tree | cd7d18667ffbe291c2fb6e44460dfded1f8c3fbe | |
parent | 8c6f71fdb26a4d7a4e2743d3661ff53adbf1658b (diff) | |
download | qtlocation-mapboxgl-caae73a33aa6dae1fecf30ccddcb01a4c0eb1d05.tar.gz |
expose log messages to node.js
-rw-r--r-- | binding.gyp | 2 | ||||
-rw-r--r-- | src/mbgl.cpp | 9 | ||||
-rw-r--r-- | src/node_log.cpp | 61 | ||||
-rw-r--r-- | src/node_log.hpp | 32 | ||||
m--------- | vendor/mbgl | 0 |
5 files changed, 104 insertions, 0 deletions
diff --git a/binding.gyp b/binding.gyp index dc030205b3..c97efcf4b5 100644 --- a/binding.gyp +++ b/binding.gyp @@ -13,6 +13,8 @@ 'src/mbgl.cpp', 'src/compress_png.hpp', 'src/compress_png.cpp', + 'src/node_log.hpp', + 'src/node_log.cpp', 'src/node_file_source.hpp', 'src/node_file_source.cpp', 'src/node_map.hpp', diff --git a/src/mbgl.cpp b/src/mbgl.cpp index b218382ab1..f113fcd5a0 100644 --- a/src/mbgl.cpp +++ b/src/mbgl.cpp @@ -3,9 +3,11 @@ #include "node_file_source.hpp" #include "node_map.hpp" +#include "node_log.hpp" #include "node_request.hpp" #include "compress_png.hpp" + void RegisterModule(v8::Handle<v8::Object> exports) { NanScope(); @@ -23,6 +25,13 @@ void RegisterModule(v8::Handle<v8::Object> exports) { resource->ForceSet(NanNew("Image"), NanNew(mbgl::Resource::Image), ConstantProperty); resource->ForceSet(NanNew("JSON"), NanNew(mbgl::Resource::JSON), ConstantProperty); exports->ForceSet(NanNew("Resource"), resource, ConstantProperty); + + // Make the exported object inerhit from process.EventEmitter + auto process = NanGetCurrentContext()->Global()->Get(NanNew("process"))->ToObject(); + auto EventEmitter = process->Get(NanNew("EventEmitter"))->ToObject(); + exports->SetPrototype(EventEmitter->Get(NanNew("prototype"))); + + mbgl::Log::Set<node_mbgl::NodeLogBackend>(exports); } NODE_MODULE(mbgl, RegisterModule) diff --git a/src/node_log.cpp b/src/node_log.cpp new file mode 100644 index 0000000000..b7076457c7 --- /dev/null +++ b/src/node_log.cpp @@ -0,0 +1,61 @@ +#include "node_log.hpp" + +#include <cstdarg> + +namespace node_mbgl { + +struct NodeLogBackend::Message { + mbgl::EventSeverity severity; + mbgl::Event event; + int64_t code; + std::string text; +}; + +NodeLogBackend::NodeLogBackend(v8::Handle<v8::Object> target) + : queue(new Queue(uv_default_loop(), [this](Message &message) { + NanScope(); + + auto msg = v8::Object::New(); + msg->Set(NanNew("class"), NanNew(mbgl::EventClass(message.event).c_str())); + msg->Set(NanNew("severity"), NanNew(mbgl::EventSeverityClass(message.severity).c_str())); + if (!message.text.empty()) { + msg->Set(NanNew("text"), NanNew(message.text)); + } + if (message.code != 0) { + msg->Set(NanNew("code"), NanNew(double(message.code))); + } + + v8::Local<v8::Value> argv[] = { NanNew("message"), msg }; + auto emit = module->Get(NanNew("emit"))->ToObject(); + emit->CallAsFunction(module, 2, argv); + })) { + NanScope(); + module = v8::Persistent<v8::Object>::New(target); +} + +NodeLogBackend::~NodeLogBackend() { + queue->stop(); +} + +void NodeLogBackend::record(mbgl::EventSeverity severity, mbgl::Event event, const std::string &msg) { + queue->send({ severity, event, 0, msg }); +} + +void NodeLogBackend::record(mbgl::EventSeverity severity, mbgl::Event event, const char* format, ...) { + char msg[512]; + va_list args; + va_start(args, format); + vsnprintf(msg, 512, format, args); + va_end(args); + queue->send({ severity, event, 0, msg }); +} + +void NodeLogBackend::record(mbgl::EventSeverity severity, mbgl::Event event, int64_t code) { + queue->send({ severity, event, code, "" }); +} + +void NodeLogBackend::record(mbgl::EventSeverity severity, mbgl::Event event, int64_t code, const std::string &msg) { + queue->send({ severity, event, code, msg }); +} + +} diff --git a/src/node_log.hpp b/src/node_log.hpp new file mode 100644 index 0000000000..5cee4dde9b --- /dev/null +++ b/src/node_log.hpp @@ -0,0 +1,32 @@ +#pragma once + +#include <mbgl/platform/log.hpp> +#include <mbgl/util/async_queue.hpp> + +#include <node.h> +#include <nan.h> + +namespace mbgl { namespace util { template <typename T> class AsyncQueue; } } + +namespace node_mbgl { + +class NodeLogBackend : public mbgl::LogBackend { +public: + NodeLogBackend(v8::Handle<v8::Object> target); + ~NodeLogBackend(); + + void record(mbgl::EventSeverity severity, mbgl::Event event, const std::string &msg); + void record(mbgl::EventSeverity severity, mbgl::Event event, const char* format, ...); + void record(mbgl::EventSeverity severity, mbgl::Event event, int64_t code); + void record(mbgl::EventSeverity severity, mbgl::Event event, int64_t code, const std::string &msg); + +private: + v8::Persistent<v8::Object> module; + + struct Message; + using Queue = mbgl::util::AsyncQueue<Message>; + Queue *queue = nullptr; +}; + + +} diff --git a/vendor/mbgl b/vendor/mbgl -Subproject 634de692d70a52706602b2516226ba404cf51ca +Subproject 3a6f095e4e05fffb62c70d154a40d55a52912c8 |