1 /******************************************************************************
3 * Copyright (C) 2012-2017 Icinga Development Team (https://www.icinga.com/) *
5 * This program is free software; you can redistribute it and/or *
6 * modify it under the terms of the GNU General Public License *
7 * as published by the Free Software Foundation; either version 2 *
8 * of the License, or (at your option) any later version. *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the Free Software Foundation *
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
18 ******************************************************************************/
20 #ifndef CONFIGCOMPILER_H
21 #define CONFIGCOMPILER_H
23 #include "config/i2-config.hpp"
24 #include "config/expression.hpp"
25 #include "base/debuginfo.hpp"
26 #include "base/registry.hpp"
27 #include "base/initialize.hpp"
28 #include "base/singleton.hpp"
32 typedef union YYSTYPE YYSTYPE;
33 typedef void *yyscan_t;
38 struct CompilerDebugInfo
48 operator DebugInfo(void) const
52 di.FirstLine = FirstLine;
53 di.FirstColumn = FirstColumn;
54 di.LastLine = LastLine;
55 di.LastColumn = LastColumn;
63 CompilerDebugInfo DebugInfo;
68 FlowControlReturn = 1,
69 FlowControlContinue = 2,
80 * The configuration compiler can be used to compile a configuration file
81 * into a number of configuration items.
85 class I2_CONFIG_API ConfigCompiler
88 explicit ConfigCompiler(const String& path, std::istream *input,
89 const String& zone = String(), const String& package = String());
90 virtual ~ConfigCompiler(void);
92 Expression *Compile(void);
94 static Expression *CompileStream(const String& path, std::istream *stream,
95 const String& zone = String(), const String& package = String());
96 static Expression *CompileFile(const String& path, const String& zone = String(),
97 const String& package = String());
98 static Expression *CompileText(const String& path, const String& text,
99 const String& zone = String(), const String& package = String());
101 static void AddIncludeSearchDir(const String& dir);
103 const char *GetPath(void) const;
105 void SetZone(const String& zone);
106 String GetZone(void) const;
108 void SetPackage(const String& package);
109 String GetPackage(void) const;
111 static void CollectIncludes(std::vector<Expression *>& expressions,
112 const String& file, const String& zone, const String& package);
114 static Expression *HandleInclude(const String& relativeBase, const String& path, bool search,
115 const String& zone, const String& package, const DebugInfo& debuginfo = DebugInfo());
116 static Expression *HandleIncludeRecursive(const String& relativeBase, const String& path,
117 const String& pattern, const String& zone, const String& package, const DebugInfo& debuginfo = DebugInfo());
118 static Expression *HandleIncludeZones(const String& relativeBase, const String& tag,
119 const String& path, const String& pattern, const String& package, const DebugInfo& debuginfo = DebugInfo());
121 size_t ReadInput(char *buffer, size_t max_bytes);
122 void *GetScanner(void) const;
124 static std::vector<ZoneFragment> GetZoneDirs(const String& zone);
125 static void RegisterZoneDir(const String& tag, const String& ppath, const String& zoneName);
127 static bool HasZoneConfigAuthority(const String& zoneName);
130 boost::promise<boost::shared_ptr<Expression> > m_Promise;
133 std::istream *m_Input;
139 static std::vector<String> m_IncludeSearchDirs;
140 static boost::mutex m_ZoneDirsMutex;
141 static std::map<String, std::vector<ZoneFragment> > m_ZoneDirs;
143 void InitializeScanner(void);
144 void DestroyScanner(void);
146 static void HandleIncludeZone(const String& relativeBase, const String& tag, const String& path, const String& pattern, const String& package, std::vector<Expression *>& expressions);
148 static bool IsAbsolutePath(const String& path);
154 std::ostringstream m_LexBuffer;
155 CompilerDebugInfo m_LocationBegin;
157 std::stack<bool> m_IgnoreNewlines;
158 std::stack<bool> m_Apply;
159 std::stack<bool> m_ObjectAssign;
160 std::stack<bool> m_SeenAssign;
161 std::stack<bool> m_SeenIgnore;
162 std::stack<Expression *> m_Assign;
163 std::stack<Expression *> m_Ignore;
164 std::stack<String> m_FKVar;
165 std::stack<String> m_FVVar;
166 std::stack<Expression *> m_FTerm;
167 std::stack<int> m_FlowControlInfo;
172 #endif /* CONFIGCOMPILER_H */