Add build log to templater

src/RawTemplater/RawTemplater.cpp

@@ -13,9 +13,12 @@ class RawTemplater::Impl
 {
     RawTemplaterArguments m_args;
 
-    _NODISCARD bool GenerateCode(const std::string& filename) const
+    bool m_write_build_log;
+    std::ofstream m_build_log_file;
+
+    _NODISCARD bool GenerateCode(const std::string& filename)
     {
-        std::ifstream file(filename);
+        std::ifstream file(filename, std::ios::in | std::ios::binary);
         if (!file.is_open())
         {
             std::cerr << "Failed to open file \"" << filename << "\"\n";
@@ -23,6 +26,8 @@ class RawTemplater::Impl
         }
 
         templating::Templater templater(file, filename);
+        if (m_write_build_log)
+            templater.SetBuildLogFile(&m_build_log_file);
         if (!m_args.m_output_directory.empty())
             return templater.TemplateToDirectory(m_args.m_output_directory);
 
@@ -34,14 +39,27 @@ class RawTemplater::Impl
 
 public:
     Impl()
-    = default;
+        : m_write_build_log(false)
+    {
+    }
 
     int Run(const int argc, const char** argv)
     {
         if (!m_args.Parse(argc, argv))
             return 1;
 
-        for(const auto& inputFile : m_args.m_input_files)
+        if (!m_args.m_build_log_file.empty())
+        {
+            m_build_log_file = std::ofstream(m_args.m_build_log_file, std::ios::out | std::ios::binary);
+            if (!m_build_log_file.is_open())
+            {
+                std::cerr << "Failed to open build log file \"" << m_args.m_build_log_file << "\"\n";
+                return false;
+            }
+            m_write_build_log = true;
+        }
+
+        for (const auto& inputFile : m_args.m_input_files)
         {
             if (!GenerateCode(inputFile))
                 return 1;

src/RawTemplater/RawTemplaterArguments.cpp

@@ -22,6 +22,12 @@ const CommandLineOption* const OPTION_OUTPUT_FOLDER = CommandLineOption::Builder
                                                       .WithParameter("outputPath")
                                                       .Build();
 
+const CommandLineOption* const OPTION_BUILD_LOG = CommandLineOption::Builder::Create()
+                                                      .WithLongName("build-log")
+                                                      .WithDescription("Specify a file to write a build log to.")
+                                                      .WithParameter("logFilePath")
+                                                      .Build();
+
 const CommandLineOption* const OPTION_DEFINE = CommandLineOption::Builder::Create()
                                                .WithShortName("d")
                                                .WithLongName("define")
@@ -35,6 +41,7 @@ const CommandLineOption* const COMMAND_LINE_OPTIONS[]
     OPTION_HELP,
     OPTION_VERBOSE,
     OPTION_OUTPUT_FOLDER,
+    OPTION_BUILD_LOG,
     OPTION_DEFINE
 };
 
@@ -87,6 +94,10 @@ bool RawTemplaterArguments::Parse(const int argc, const char** argv)
     else
         m_output_directory = ".";
 
+    // --build-log
+    if (m_argument_parser.IsOptionSpecified(OPTION_BUILD_LOG))
+        m_build_log_file = m_argument_parser.GetValueForOption(OPTION_BUILD_LOG);
+
     // -d; --define
     if (m_argument_parser.IsOptionSpecified(OPTION_DEFINE))
     {

src/RawTemplater/RawTemplaterArguments.h

@@ -21,6 +21,8 @@ public:
     std::vector<std::string> m_input_files;
     std::string m_output_directory;
 
+    std::string m_build_log_file;
+
     std::vector<std::pair<std::string, std::string>> m_defines;
 
     RawTemplaterArguments();

src/RawTemplater/Templating/Templater.cpp

@@ -172,7 +172,7 @@ namespace templating
             m_default_output_file = (m_output_directory / filenamePath.replace_extension()).string();
         }
 
-        bool RunNextPass()
+        bool RunNextPass(std::ostream* buildLogFile)
         {
             m_stream.clear();
             m_stream.seekg(0, std::ios::beg);
@@ -209,7 +209,7 @@ namespace templating
 
             if (!m_write_output_to_file)
             {
-                m_output_stream = std::ofstream(m_output_file);
+                m_output_stream = std::ofstream(m_output_file, std::ios::out | std::ios::binary);
                 if (!m_output_stream.is_open())
                 {
                     std::cerr << "Failed to open output file \"" << m_output_file << "\"\n";
@@ -223,6 +223,9 @@ namespace templating
 
             std::cout << "Templated file \"" << m_output_file << "\"\n";
 
+            if(buildLogFile)
+                *buildLogFile << "Templated file \"" << m_output_file << "\"\n";
+
             m_first_line = true;
             m_write_output_to_file = false;
             m_output_cache.clear();
@@ -289,7 +292,7 @@ namespace templating
                 return false;
 
             m_output_file = (m_output_directory / fileName).string();
-            m_output_stream = std::ofstream(m_output_file);
+            m_output_stream = std::ofstream(m_output_file, std::ios::out | std::ios::binary);
             if (!m_output_stream.is_open())
             {
                 std::cerr << "Failed to open output file \"" << m_output_file << "\"\n";
@@ -326,23 +329,29 @@ namespace templating
 
 Templater::Templater(std::istream& stream, std::string fileName)
     : m_stream(stream),
+      m_build_log(nullptr),
       m_file_name(std::move(fileName))
 {
 }
 
+void Templater::SetBuildLogFile(std::ostream* buildLogFile)
+{
+    m_build_log = buildLogFile;
+}
+
 bool Templater::TemplateToDirectory(const std::string& outputDirectory) const
 {
     TemplaterControlImpl control(m_stream, m_file_name, outputDirectory);
 
     try
     {
-        if (!control.RunNextPass())
+        if (!control.RunNextPass(m_build_log))
             return false;
 
         control.AdvanceActiveVariations();
         while (control.HasActiveVariations())
         {
-            if (!control.RunNextPass())
+            if (!control.RunNextPass(m_build_log))
                 return false;
 
             control.AdvanceActiveVariations();

src/RawTemplater/Templating/Templater.h

@@ -1,6 +1,7 @@
 #pragma once
 #include <string>
 
+#include "Utils/ClassUtils.h"
 #include "Parsing/IParserLineStream.h"
 
 namespace templating
@@ -10,10 +11,12 @@ namespace templating
     public:
         Templater(std::istream& stream, std::string fileName);
 
-        bool TemplateToDirectory(const std::string& outputDirectory) const;
+        void SetBuildLogFile(std::ostream* buildLogFile);
+        _NODISCARD bool TemplateToDirectory(const std::string& outputDirectory) const;
 
     private:
         std::istream& m_stream;
+        std::ostream* m_build_log;
         std::string m_file_name;
     };
 }

tools/scripts/raw.lua

@@ -39,6 +39,8 @@ function Raw:project()
 			}
 		}
 
+        RawTemplater:use()
+
 		filter "files:not **/*.template"
 			buildmessage 'Copying rawfile %{file.relpath}'
 			buildcommands {
@@ -59,10 +61,11 @@ function Raw:project()
 			buildcommands {
 				'"' .. TargetDirectoryBin .. '/' .. ExecutableByOs('RawTemplater') .. '"' 
 				.. " -o %{cfg.targetdir}/build/raw/%{file.reldirectory}"
+				.. " --build-log \"%{prj.location}/build/%{file.relpath}.log\""
 				.. " %{file.relpath}"
 			}
 			buildoutputs {
-				"%{cfg.targetdir}/build/raw/%{file.relpath}"
+				"%{prj.location}/build/%{file.relpath}.log"
 			}
 		filter {}
 end