Finish export

fragments/export.cpp

@@ -7,11 +7,13 @@
 #include "export.h"
 
 enum class ExportAmount : int {
-    All = 0,
-    Filtered = 1,
+    All,
+    Filtered,
 };
 
-static inline void export_logcat_entries(File& file, const LogcatEntries& logcat_entries, ExportAmount export_amount, bool export_buffers);
+static inline void export_logcat_entries(const LogcatEntries& logcat_entries, ExportAmount export_amount, bool export_buffers, File& file);
+static inline void export_logcat_entries_to_clipboard(const LogcatEntries& logcat_entries, ExportAmount export_amount, bool export_buffers);
+static inline void export_logcat_entries(const LogcatEntries& logcat_entries, ExportAmount export_amount, bool export_buffers, auto cb);
 static inline std::optional<File> save_file_picker();
 
 void export_fragment(const LogcatEntries& logcat_entries) {
@@ -26,23 +28,72 @@ void export_fragment(const LogcatEntries& logcat_entries) {
     if (ImGui::Button("Export to File")) {
         std::optional<File> file = save_file_picker();
         if (file) {
-            export_logcat_entries(*file, logcat_entries, export_amount, export_buffers);
             ImGui::CloseCurrentPopup();
+            try {
+                export_logcat_entries(logcat_entries, export_amount, export_buffers, *file);
+            } catch (const std::exception& e) {
+                log(std::string("Failed to export logcat entries: ") + e.what());
+            }
         }
     }
 
     ImGui::SameLine();
     if (ImGui::Button("Export to Clipboard")) {
-        // TODO exist
+        ImGui::CloseCurrentPopup();
+        try {
+            export_logcat_entries_to_clipboard(logcat_entries, export_amount, export_buffers);
+        } catch (const std::exception& e) {
+            log(std::string("Failed to export logcat entries: ") + e.what());
+        }
     }
 }
 
-static inline void export_logcat_entries(File& file, const LogcatEntries& logcat_entries, ExportAmount export_amount, bool export_buffers) {
-    // TODO actually do the job
-    file.write(std::string("Count of all entries: ") + std::to_string(logcat_entries.size_all()) + '\n');
-    file.write(std::string("Count of filtered entries: ") + std::to_string(logcat_entries.size_filtered()) + '\n');
-    file.write(std::string("Export amount: ") + (export_amount == ExportAmount::All ? "all" : "filtered") + '\n');
-    file.write(std::string("Export buffers: ") + (export_buffers ? "true" : "false") + '\n');
+static inline void export_logcat_entries(const LogcatEntries& logcat_entries, ExportAmount export_amount, bool export_buffers, File& file) {
+    export_logcat_entries(logcat_entries, export_amount, export_buffers, [&](std::string line) {
+        file.write(std::move(line));
+        file.write("\n", 1);
+    });
+}
+
+static inline void export_logcat_entries_to_clipboard(const LogcatEntries& logcat_entries, ExportAmount export_amount, bool export_buffers) {
+    std::string text;
+    export_logcat_entries(logcat_entries, export_amount, export_buffers, [&](std::string line) {
+        text += std::move(line);
+        text += '\n';
+    });
+    ImGui::SetClipboardText(text.c_str());
+}
+
+static inline void export_logcat_entries(const LogcatEntries& logcat_entries, ExportAmount export_amount, bool export_buffers, auto cb) {
+    size_t size;
+    const LogcatEntry& (LogcatEntries::*get_fn)(size_t) const;
+    unsigned int buffers_printed = 0;
+    std::optional<Buffer> last_buffer;
+
+    switch (export_amount) {
+        case ExportAmount::All:
+            size = logcat_entries.size_all();
+            get_fn = &LogcatEntries::at_all;
+            break;
+        case ExportAmount::Filtered:
+            size = logcat_entries.size_filtered();
+            get_fn = &LogcatEntries::at_filtered;
+            break;
+    }
+
+    for (size_t i = 0; i < size; i++) {
+        const LogcatEntry& entry = (logcat_entries.*get_fn)(i);
+        if (export_buffers && (!last_buffer || *last_buffer != entry.buffer)) {
+            const char* prefix = buffers_printed & static_cast<unsigned int>(entry.buffer)
+                ? "switch to"
+                : "beginning of";
+            cb(std::string("--------- ") + prefix + ' ' + to_string_lower(entry.buffer));
+            buffers_printed |= static_cast<unsigned int>(entry.buffer);
+            last_buffer = entry.buffer;
+        }
+
+        cb(to_string(entry));
+    }
 }
 
 static inline std::optional<File> save_file_picker() {

logcat_entry.cpp

@@ -33,6 +33,17 @@ const char* to_string(Buffer buffer) {
     }
 }
 
+const char* to_string_lower(Buffer buffer) {
+    switch (buffer) {
+        case Buffer::Main: return "main";
+        case Buffer::System: return "system";
+        case Buffer::Radio: return "radio";
+        case Buffer::Events: return "events";
+        case Buffer::Crash: return "crash";
+        case Buffer::Unknown: return "unknown";
+    }
+}
+
 static std::string leftpad(const std::string& str, size_t characters) {
     return str.size() >= characters
         ? str

logcat_entry.h

@@ -73,6 +73,7 @@ private:
 
 const char* to_string(Priority priority);
 const char* to_string(Buffer buffer);
+const char* to_string_lower(Buffer buffer);
 std::string to_string(const LogcatEntry& logcat_entry);
 std::optional<LogcatEntry> try_parse_logcat_entry(char* buf, size_t length, Buffer buffer);
 std::optional<Buffer> try_parse_buffer(char* buf, size_t length);

windows/main.cpp

@@ -167,6 +167,10 @@ void main_window(bool latest_log_entries_read, ImFont* monospace_font, LogcatThr
     ImGui::SameLine();
     ImGui::SeparatorEx(ImGuiSeparatorFlags_Vertical);
     ImGui::SameLine();
+    if (ImGui::Button("Clear")) {
+        logcat_entries.clear();
+    }
+    ImGui::SameLine();
     if (ImGui::Button("Export")) {
         ImGui::OpenPopup("export_logcat");
     }