From 3b09103d9832c34023163d51dc9126853f2dfc1d Mon Sep 17 00:00:00 2001
From: MoAlyousef <may642_2000@hotmail.com>
Date: Mon, 14 Sep 2020 15:22:41 +0300
Subject: [PATCH] add globbing, package components and options

---
 CHANGELOG.md       |  6 ++++++
 CMakeLists.txt     | 19 ++++++++++---------
 README.md          |  8 ++++++--
 include/cmake.hpp  | 15 ++++++++++++++-
 include/literals.h |  2 ++
 src/cmake.cpp      | 36 ++++++++++++++++++++++++++++++++++--
 src/gen.cpp        | 40 +++++++++++++++++++++++++++++++++-------
 7 files changed, 105 insertions(+), 21 deletions(-)
 create mode 100644 CHANGELOG.md

diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..ababb85
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,6 @@
+# CHANGELOG
+
+## 0.1.0 - Unreleased
+- Add support for globbing.
+- Add support for find_package components.
+- Add options.
\ No newline at end of file
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7fbd3e8..60a50ae 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -6,19 +6,20 @@ set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
 
 project(cmkr VERSION 0.1.0)
 
+
 set(CMKRLIB_SOURCES
-	src/cmake.cpp
-	src/gen.cpp
-	src/help.cpp
-	src/build.cpp
-	src/error.cpp
+	"src/cmake.cpp"
+	"src/gen.cpp"
+	"src/help.cpp"
+	"src/build.cpp"
+	"src/error.cpp"
 	)
 
 add_library(cmkrlib STATIC ${CMKRLIB_SOURCES})
 
 target_include_directories(cmkrlib PUBLIC
-	include
-	vendor
+	"include"
+	"vendor"
 	)
 
 target_compile_features(cmkrlib PUBLIC
@@ -26,8 +27,8 @@ target_compile_features(cmkrlib PUBLIC
 	)
 
 set(CMKR_SOURCES
-	src/main.cpp
-	src/args.cpp
+	"src/main.cpp"
+	"src/args.cpp"
 	)
 
 add_executable(cmkr  ${CMKR_SOURCES})
diff --git a/README.md b/README.md
index 4828f98..514c2b8 100644
--- a/README.md
+++ b/README.md
@@ -68,15 +68,19 @@ name = "app" # required
 version = "0.1.0" # required
 
 [find-package] # optional, runs find_package, use "*" to ignore version
-Boost = "1.74.0" # optional
+Boost = { version = "1.74.0", required = false, components = ["system"] } # optional
+spdlog = "*"
 
 [fetch-content] # optional, runs fetchContent
 toml11 = { GIT_REPOSITORY = "https://github.com/ToruNiina/toml11", GIT_TAG = "v3.5.0" } # optional
 
+[options] # optional
+APP_BUILD_STUFF = false # optional
+
 [[bin]] # required, can define several binaries
 name = "app" # required
 type = "exe" # required (exe || shared || static)
-sources = ["src/main.cpp"] # required
+sources = ["src/*.cpp"] # required, supports globbing
 include-dirs = [] # optional
 features = [] # optional
 defines = [] # optional
diff --git a/include/cmake.hpp b/include/cmake.hpp
index 04c689a..c784b6a 100644
--- a/include/cmake.hpp
+++ b/include/cmake.hpp
@@ -6,6 +6,18 @@
 
 namespace cmkr::cmake {
 
+struct Option {
+    std::string name;
+    bool val;
+};
+
+struct Package {
+    std::string name;
+    std::string version;
+    bool required = true;
+    std::vector<std::string> components;
+};
+
 struct Bin {
     std::string name;
     std::string type;
@@ -28,7 +40,8 @@ struct CMake {
     std::vector<std::string> build_args;
     std::string proj_name;
     std::string proj_version;
-    std::map<std::string, std::string> packages;
+    std::vector<Option> options;
+    std::vector<Package> packages;
     std::map<std::string, std::map<std::string, std::string>> contents;
     std::vector<Bin> binaries;
     CMake(const std::string &path, bool build);
diff --git a/include/literals.h b/include/literals.h
index 609167a..16abf74 100644
--- a/include/literals.h
+++ b/include/literals.h
@@ -28,6 +28,8 @@ version = "0.1.0"
 
 # [fetch-content]
 
+# [options]
+
 [[bin]]
 name = "%s"
 type = "%s"
diff --git a/src/cmake.cpp b/src/cmake.cpp
index 840bac8..bfbd366 100644
--- a/src/cmake.cpp
+++ b/src/cmake.cpp
@@ -68,9 +68,41 @@ CMake::CMake(const std::string &path, bool build) {
             proj_version = toml::find(project, "version").as_string();
         }
 
+        if (toml.contains("options")) {
+            using opts_map = std::map<std::string, bool>;
+            const auto &opts = toml::find<opts_map>(toml, "options");
+            for (const auto opt: opts) {
+                Option o;
+                o.name = opt.first;
+                o.val = opt.second;
+                options.push_back(o);
+            }
+        }
+
         if (toml.contains("find-package")) {
-            using pkg_map = std::map<std::string, std::string>;
-            packages = toml::find<pkg_map>(toml, "find-package");
+            using pkg_map =
+                std::map<std::string, toml::basic_value<toml::discard_comments, std::unordered_map,
+                                                        std::vector>>;
+            const auto &pkgs = toml::find<pkg_map>(toml, "find-package");
+            for (const auto &pkg : pkgs) {
+                Package p;
+                p.name = pkg.first;
+                if (pkg.second.is_string()) {
+                    p.version = pkg.second.as_string();
+                } else {
+                    if (pkg.second.contains("version")) {
+                        p.version = toml::find(pkg.second, "version").as_string();
+                    }
+                    if (pkg.second.contains("required")) {
+                        p.required = toml::find(pkg.second, "required").as_boolean();
+                    }
+                    if (pkg.second.contains("components")) {
+                        p.components =
+                            detail::to_string_vec(toml::find(pkg.second, "components").as_array());
+                    }
+                }
+                packages.push_back(p);
+            }
         }
 
         if (toml.contains("fetch-content")) {
diff --git a/src/gen.cpp b/src/gen.cpp
index b09fe3e..4cdfbbd 100644
--- a/src/gen.cpp
+++ b/src/gen.cpp
@@ -121,12 +121,20 @@ int generate_cmake(const char *path) {
 
         if (!cmake.packages.empty()) {
             for (const auto &dep : cmake.packages) {
-                ss << "find_package(" << dep.first;
-                if (dep.second != "*") {
-                    ss << " " << dep.second << " REQUIRED)\n";
-                } else {
-                    ss << " REQUIRED)\n";
+                ss << "find_package(" << dep.name << " ";
+                if (dep.version != "*") {
+                    ss << dep.version << " ";
+                }
+                if (dep.required) {
+                    ss << "REQUIRED ";
                 }
+                if (!dep.components.empty()) {
+                    ss << "COMPONENTS ";
+                    for (const auto &comp: dep.components) {
+                        ss << comp << " ";
+                    }
+                }
+                ss << ")\n\n";
             }
         }
 
@@ -142,6 +150,14 @@ int generate_cmake(const char *path) {
             }
         }
 
+        if (!cmake.options.empty()) {
+            for (const auto &opt: cmake.options) {
+                ss << "option(" << opt.name << " \"" << opt.name << "\" " << (opt.val ? "ON" : "OFF") << ")\n"; 
+            }
+        }
+
+        ss << "\n";
+
         if (!cmake.binaries.empty()) {
             for (const auto &bin : cmake.binaries) {
                 std::string bin_type;
@@ -159,7 +175,17 @@ int generate_cmake(const char *path) {
 
                 ss << "set(" << detail::to_upper(bin.name) << "_SOURCES\n";
                 for (const auto &src : bin.sources) {
-                    ss << "\t" << src << "\n";
+                    auto path = fs::path(src);
+                    if (path.filename().stem().string() == "*") {
+                        auto ext = path.extension();
+                        for (const auto& f: fs::directory_iterator(path.parent_path())) {
+                            if (f.path().extension() == ext) {
+                                ss << "\t" << f << "\n";
+                            }
+                        }
+                    } else {
+                        ss << "\t" << path << "\n";
+                    }
                 }
                 ss << "\t)\n\n"
                    << add_command << "(" << bin.name << " " << bin_type << " ${"
@@ -168,7 +194,7 @@ int generate_cmake(const char *path) {
                 if (!bin.include_dirs.empty()) {
                     ss << "target_include_directories(" << bin.name << " PUBLIC\n\t";
                     for (const auto &inc : bin.include_dirs) {
-                        ss << inc << "\n\t";
+                        ss << fs::path(inc) << "\n\t";
                     }
                     ss << ")\n\n";
                 }