1 files changed, 161 insertions, 0 deletions
diff --git a/lib/config/configcompiler.hpp b/lib/config/configcompiler.hpp
new file mode 100644
index 0000000..fe00bed
--- /dev/null
+++ b/lib/config/configcompiler.hpp
@@ -0,0 +1,161 @@
+/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
+
+#ifndef CONFIGCOMPILER_H
+#define CONFIGCOMPILER_H
+
+#include "config/i2-config.hpp"
+#include "config/expression.hpp"
+#include "base/debuginfo.hpp"
+#include "base/registry.hpp"
+#include "base/initialize.hpp"
+#include "base/singleton.hpp"
+#include "base/string.hpp"
+#include <future>
+#include <iostream>
+#include <stack>
+
+typedef union YYSTYPE YYSTYPE;
+typedef void *yyscan_t;
+
+namespace icinga
+{
+
+struct CompilerDebugInfo
+{
+	const char *Path;
+
+	int FirstLine;
+	int FirstColumn;
+
+	int LastLine;
+	int LastColumn;
+
+	operator DebugInfo() const
+	{
+		DebugInfo di;
+		di.Path = Path;
+		di.FirstLine = FirstLine;
+		di.FirstColumn = FirstColumn;
+		di.LastLine = LastLine;
+		di.LastColumn = LastColumn;
+		return di;
+	}
+};
+
+struct EItemInfo
+{
+	bool SideEffect;
+	CompilerDebugInfo DebugInfo;
+};
+
+enum FlowControlType
+{
+	FlowControlReturn = 1,
+	FlowControlContinue = 2,
+	FlowControlBreak = 4
+};
+
+struct ZoneFragment
+{
+	String Tag;
+	String Path;
+};
+
+/**
+ * The configuration compiler can be used to compile a configuration file
+ * into a number of configuration items.
+ *
+ * @ingroup config
+ */
+class ConfigCompiler
+{
+public:
+	explicit ConfigCompiler(String path, std::istream *input,
+		String zone = String(), String package = String());
+	virtual ~ConfigCompiler();
+
+	std::unique_ptr<Expression> Compile();
+
+	static std::unique_ptr<Expression>CompileStream(const String& path, std::istream *stream,
+		const String& zone = String(), const String& package = String());
+	static std::unique_ptr<Expression>CompileFile(const String& path, const String& zone = String(),
+		const String& package = String());
+	static std::unique_ptr<Expression>CompileText(const String& path, const String& text,
+		const String& zone = String(), const String& package = String());
+
+	static void AddIncludeSearchDir(const String& dir);
+
+	const char *GetPath() const;
+
+	void SetZone(const String& zone);
+	String GetZone() const;
+
+	void SetPackage(const String& package);
+	String GetPackage() const;
+
+	void AddImport(const Expression::Ptr& import);
+	std::vector<Expression::Ptr> GetImports() const;
+
+	static void CollectIncludes(std::vector<std::unique_ptr<Expression> >& expressions,
+		const String& file, const String& zone, const String& package);
+
+	static std::unique_ptr<Expression> HandleInclude(const String& relativeBase, const String& path, bool search,
+		const String& zone, const String& package, const DebugInfo& debuginfo = DebugInfo());
+	static std::unique_ptr<Expression> HandleIncludeRecursive(const String& relativeBase, const String& path,
+		const String& pattern, const String& zone, const String& package, const DebugInfo& debuginfo = DebugInfo());
+	static std::unique_ptr<Expression> HandleIncludeZones(const String& relativeBase, const String& tag,
+		const String& path, const String& pattern, const String& package, const DebugInfo& debuginfo = DebugInfo());
+
+	size_t ReadInput(char *buffer, size_t max_bytes);
+	void *GetScanner() const;
+
+	static std::vector<ZoneFragment> GetZoneDirs(const String& zone);
+	static void RegisterZoneDir(const String& tag, const String& ppath, const String& zoneName);
+
+	static bool HasZoneConfigAuthority(const String& zoneName);
+
+private:
+	std::promise<Expression::Ptr> m_Promise;
+
+	String m_Path;
+	std::istream *m_Input;
+	String m_Zone;
+	String m_Package;
+	std::vector<Expression::Ptr> m_Imports;
+
+	void *m_Scanner;
+
+	static std::vector<String> m_IncludeSearchDirs;
+	static std::mutex m_ZoneDirsMutex;
+	static std::map<String, std::vector<ZoneFragment> > m_ZoneDirs;
+
+	void InitializeScanner();
+	void DestroyScanner();
+
+	static void HandleIncludeZone(const String& relativeBase, const String& tag, const String& path, const String& pattern, const String& package, std::vector<std::unique_ptr<Expression> >& expressions);
+
+	static bool IsAbsolutePath(const String& path);
+
+public:
+	bool m_Eof;
+	int m_OpenBraces;
+
+	String m_LexBuffer;
+	CompilerDebugInfo m_LocationBegin;
+
+	std::stack<bool> m_IgnoreNewlines;
+	std::stack<bool> m_Apply;
+	std::stack<bool> m_ObjectAssign;
+	std::stack<bool> m_SeenAssign;
+	std::stack<bool> m_SeenIgnore;
+	std::stack<Expression *> m_Assign;
+	std::stack<Expression *> m_Ignore;
+	std::stack<String> m_FKVar;
+	std::stack<String> m_FVVar;
+	std::stack<Expression *> m_FTerm;
+	std::stack<int> m_FlowControlInfo;
+};
+
+}
+
+#endif /* CONFIGCOMPILER_H */