[datalog] Finish up a few missed moves from wpiutil split (#7956)

datalog/build.gradle

@@ -27,6 +27,50 @@ model {
     }
 }
 
+def examplesMap = [:];
+file("$projectDir/examples").list(new FilenameFilter() {
+            @Override
+            public boolean accept(File current, String name) {
+                return new File(current, name).isDirectory();
+            }
+        }).each {
+            examplesMap.put(it, [])
+        }
+
+model {
+    components {
+        examplesMap.each { key, value ->
+            "${key}"(NativeExecutableSpec) {
+                targetBuildTypes 'debug'
+                binaries.all {
+                    lib library: 'datalog', linkage: 'shared'
+                    lib project: ':wpiutil', library: 'wpiutil', linkage: 'shared'
+                }
+                sources {
+                    cpp {
+                        source {
+                            srcDirs 'examples/' + "${key}"
+                            include '**/*.cpp'
+                        }
+                    }
+                }
+            }
+        }
+    }
+}
+
+sourceSets {
+    printlog
+}
+
+task runPrintLog(type: JavaExec) {
+    classpath = sourceSets.printlog.runtimeClasspath
+
+    mainClass = 'printlog.PrintLog'
+}
+
 dependencies {
     api project(":wpiutil")
+
+    printlogImplementation sourceSets.main.output
 }

datalog/doc/wpilog.ksy

@@ -0,0 +1,130 @@
+meta:
+  id: wpilog
+  title: WPILib Data Log
+  file-extension: wpilog
+  ks-version: "0.10"
+  encoding: UTF-8
+  endian: le
+  bit-endian: le
+seq:
+  - id: header
+    type: header
+  - id: records
+    type: record
+    repeat: eos
+types:
+  version_number:
+    seq:
+      - id: minor
+        type: u1
+      - id: major
+        type: u1
+  header:
+    seq:
+      - id: magic
+        contents: WPILOG
+      - id: version
+        type: version_number
+      - id: extra_header_length
+        type: u4
+      - id: extra_header
+        size: extra_header_length
+        type: str
+  record:
+    seq:
+      - id: header_length
+        type: record_header_length
+      - id: entry_id
+        type:
+          switch-on: header_length.len_entry_id
+          cases:
+            0: u1
+            1: u2
+            2: b24
+            3: u4
+      - id: len_payload
+        type:
+          switch-on: header_length.len_payload_size
+          cases:
+            0: u1
+            1: u2
+            2: b24
+            3: u4
+      - id: timestamp
+        type:
+          switch-on: header_length.len_timestamp
+          cases:
+            0: u1
+            1: u2
+            2: b24
+            3: u4
+            4: b40
+            5: b48
+            6: b56
+            7: u8
+      - id: payload
+        size: len_payload
+        type:
+          switch-on: entry_id
+          cases:
+            # ID 0 is reserved for control records
+            0: control_record_payload
+  record_header_length:
+    seq:
+      - id: len_entry_id
+        type: b2
+      - id: len_payload_size
+        type: b2
+      - id: len_timestamp
+        type: b3
+      - id: spare_bit
+        type: b1
+  control_record_payload:
+    seq:
+      - id: type
+        type: u1
+        enum: control_record_type
+      - id: data
+        type:
+          switch-on: type
+          cases:
+            "control_record_type::start": control_record_start_data
+            "control_record_type::finish": control_record_finish_data
+            "control_record_type::set_metadata": control_record_set_metadata_data
+  control_record_start_data:
+    seq:
+      - id: entry_id
+        type: u4
+      - id: len_entry_name
+        type: u4
+      - id: entry_name
+        size: len_entry_name
+        type: str
+      - id: len_entry_type
+        type: u4
+      - id: entry_type
+        size: len_entry_type
+        type: str
+      - id: len_entry_metadata
+        type: u4
+      - id: entry_metadata
+        size: len_entry_metadata
+        type: str
+  control_record_finish_data:
+    seq:
+      - id: entry_id
+        type: u4
+  control_record_set_metadata_data:
+    seq:
+      - id: entry_id
+        type: u4
+      - id: len_entry_metadata
+        type: u4
+      - id: entry_metadata
+        size: len_entry_metadata
+        type: str
+enums:
+  control_record_type:
+    0: start
+    1: finish
+    2: set_metadata