o Adding timestamp by default when converting samples.

2 files changed, 47 insertions, 10 deletions

diff --git a/sensor/include/trygvis/sensor.h b/sensor/include/trygvis/sensor.h
index 42362b2..4662bab 100644
--- a/sensor/include/trygvis/sensor.h
+++ b/sensor/include/trygvis/sensor.h
@@ -75,7 +75,7 @@ public:
     }
     KeyDictionary(KeyDictionary& that) = delete;
 
-    SampleKey *indexOf(const string key) {
+    SampleKey *indexOf(const string &key) {
         SampleKeyIndex i = 0;
         for (auto ptr = keys.cbegin(); ptr != keys.cend(); ptr++, i++) {
             if ((*ptr)->name == key) {
diff --git a/sensor/include/trygvis/sensor/io.h b/sensor/include/trygvis/sensor/io.h
index bbeb80e..f92b800 100644
--- a/sensor/include/trygvis/sensor/io.h
+++ b/sensor/include/trygvis/sensor/io.h
@@ -37,6 +37,25 @@ public:
     string name;
 };
 
+class sample_output_stream_options : public vector<sample_output_stream_option *> {
+public:
+    ~sample_output_stream_options() {
+    }
+
+    template<typename T>
+    o<T *> find_option() const {
+        for (auto it = begin(); it != end(); ++it) {
+            T *x = dynamic_cast<T *>(*it);
+
+            if (x != nullptr) {
+                return o<T *>(x);
+            }
+        }
+
+        return o<T *>();
+    }
+};
+
 class SampleOutputStream {
 public:
     virtual void write(SampleRecord const &sample) = 0;
@@ -65,6 +84,20 @@ private:
     std::mutex mutex;
 };
 
+class AddTimestampSampleOutputStream : public SampleOutputStream {
+public:
+    AddTimestampSampleOutputStream(unique_ptr<SampleOutputStream> underlying, KeyDictionary &dict, const string &timestamp_name);
+
+    ~AddTimestampSampleOutputStream() {
+    }
+
+    void write(SampleRecord const &sample) override;
+
+private:
+    unique_ptr<SampleOutputStream> underlying_;
+    const SampleKey* timestamp_key;
+};
+
 class CsvSampleOutputStream : public SampleOutputStream {
 public:
     CsvSampleOutputStream(shared_ptr<ostream> stream, KeyDictionary &dict);
@@ -132,16 +165,21 @@ private:
 class SampleStreamParser {
 public:
     // TODO: return number of samples found for progress indication?
-    virtual void process(mutable_buffers_1 buffer) = 0;
+    virtual void process(mutable_buffers_1 &buffer) = 0;
 
     virtual sample_format_type type() {
         return type_;
     }
 
+    virtual KeyDictionary &dict() {
+        return dict_;
+    }
+
 protected:
     sample_format_type type_;
+    KeyDictionary &dict_;
 
-    SampleStreamParser(const sample_format_type type) : type_(type) {
+    SampleStreamParser(const sample_format_type type, KeyDictionary &dict) : type_(type), dict_(dict) {
     }
 };
 
@@ -149,17 +187,16 @@ class KeyValueSampleStreamParser : public SampleStreamParser {
 
 public:
     KeyValueSampleStreamParser(shared_ptr<SampleOutputStream> output, KeyDictionary &dict) :
-            SampleStreamParser(sample_format_type::CSV), output(output), dict(dict),
+            SampleStreamParser(sample_format_type::CSV, dict), output(output),
             line(make_shared<vector<uint8_t>>()) {
     }
 
-    void process(mutable_buffers_1 buffer) override;
+    void process(mutable_buffers_1 &buffer) override;
 
 private:
     void process_line(shared_ptr<vector<uint8_t>> packet);
 
     static const uint8_t packet_delimiter = '\n';
-    KeyDictionary &dict;
     shared_ptr<SampleOutputStream> output;
     shared_ptr<vector<uint8_t>> line;
 };
@@ -168,11 +205,11 @@ class AutoSampleParser : public SampleStreamParser {
 public:
     AutoSampleParser(shared_ptr<SampleOutputStream> output, KeyDictionary &dict);
 
+    virtual void process(mutable_buffers_1 &buffer) override;
+
 private:
     unique_ptr<SampleStreamParser> parser;
     unique_ptr<KeyValueSampleStreamParser> keyValueParser;
-public:
-    virtual void process(mutable_buffers_1 buffer);
 };
 
 unique_ptr<SampleStreamParser> open_sample_stream_parser(
@@ -184,14 +221,14 @@ unique_ptr<SampleOutputStream> open_sample_output_stream(
         shared_ptr<ostream> output,
         KeyDictionary &dict,
         sample_format_type type,
-        vector<sample_output_stream_option *> options);
+        sample_output_stream_options options);
 
 static inline
 unique_ptr<SampleOutputStream> open_sample_output_stream(
         shared_ptr<ostream> output,
         KeyDictionary &dict,
         sample_format_type type) {
-    vector<sample_output_stream_option *> options;
+    sample_output_stream_options options;
     return open_sample_output_stream(output, dict, type, options);
 }