From 194a5708f3a42c6254cf99d8e03b5c8c60224feb Mon Sep 17 00:00:00 2001
From: dec05eba <0xdec05eba@gmail.com>
Date: Thu, 20 Sep 2018 06:37:59 +0200
Subject: Initial commit, works to create ninja file

---
 include/ninja/Ninja.hpp | 100 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 100 insertions(+)
 create mode 100644 include/ninja/Ninja.hpp

(limited to 'include')

diff --git a/include/ninja/Ninja.hpp b/include/ninja/Ninja.hpp
new file mode 100644
index 0000000..cd9be0a
--- /dev/null
+++ b/include/ninja/Ninja.hpp
@@ -0,0 +1,100 @@
+#pragma once
+
+#include <string>
+#include <unordered_map>
+#include <stdexcept>
+#include <vector>
+
+namespace ninja
+{
+    enum class NinjaError
+    {
+        NONE,
+        VARIABLE_ALREADY_DEFINED,
+        RULE_ALREADY_DEFINED,
+        RULE_AREADY_BUILT
+    };
+
+    class NinjaException : public std::runtime_error
+    {
+    public:
+        NinjaException(const NinjaError _errorCode, const std::string &errMsg = "") : 
+            std::runtime_error(errMsg),
+            errorCode(_errorCode)
+        {
+
+        }
+
+        const NinjaError errorCode;
+    };
+
+    struct NinjaVariable
+    {
+        const std::string name;
+    };
+
+    class NinjaBuildFile;
+
+    class NinjaArg
+    {
+    public:
+        enum class Type
+        {
+            NONE,
+            VALUE,
+            VARIABLE
+        };
+
+        NinjaArg() : type(Type::NONE) {}
+        NinjaArg(const std::string &value) : type(Type::VALUE), arg(value) {}
+        NinjaArg(const NinjaVariable &var) : type(Type::VARIABLE), arg(var.name) {}
+
+        Type type;
+        std::string arg;
+    };
+
+    struct NinjaArgValue
+    {
+        const NinjaVariable arg;
+        const std::string value;
+    };
+
+    // Functions throw NinjaException on failure
+    class NinjaRule
+    {
+    public:
+        NinjaRule(NinjaBuildFile *buildFile, const std::string &name, const std::string &command);
+        void build(const std::string &in, const std::string &out, const std::vector<ninja::NinjaArgValue> &additionalArgs);
+
+        const std::string name;
+        const std::string command;
+        std::string depFile;
+    private:
+        NinjaBuildFile *buildFile;
+    };
+
+    struct NinjaBuild
+    {
+        const NinjaRule *rule;
+        const std::string in;
+        const std::string out;
+        const std::vector<ninja::NinjaArgValue> additionalArgs;
+    };
+
+    // Functions throw NinjaException on failure
+    class NinjaBuildFile
+    {
+    public:
+        ~NinjaBuildFile();
+
+        void defineGlobalVariable(const std::string &name, const std::string &value);
+        NinjaRule* createRule(const std::string &name, const std::vector<NinjaArg> &commandArgs);
+        void build(const NinjaRule *rule, const std::string &in, const std::string &out, const std::vector<ninja::NinjaArgValue> &additionalArgs);
+
+        std::string generate() const;
+    private:
+        std::unordered_map<std::string, std::string> globalVariables;
+        std::unordered_map<std::string, NinjaRule*> rules;
+        std::vector<NinjaBuild> builds;
+    };
+}
\ No newline at end of file
-- 
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